diff --git a/Lora-Map.sln b/Lora-Map.sln index 7dabb99..8b8d63d 100644 --- a/Lora-Map.sln +++ b/Lora-Map.sln @@ -17,6 +17,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bot-Utils", "..\Utils\Bot-U EndProject Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Utils", "..\Utils\Utils\Utils\Utils.csproj", "{FAC8CE64-BF13-4ECE-8097-AEB5DD060098}" EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mono.Posix", "..\Librarys\Mono.Posix\Mono.Posix\Mono.Posix.csproj", "{E2CA132E-E85C-40AD-BE94-B138AA68772B}" +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|Any CPU = Debug|Any CPU @@ -51,6 +53,10 @@ Global {FAC8CE64-BF13-4ECE-8097-AEB5DD060098}.Debug|Any CPU.Build.0 = Debug|Any CPU {FAC8CE64-BF13-4ECE-8097-AEB5DD060098}.Release|Any CPU.ActiveCfg = Release|Any CPU {FAC8CE64-BF13-4ECE-8097-AEB5DD060098}.Release|Any CPU.Build.0 = Release|Any CPU + {E2CA132E-E85C-40AD-BE94-B138AA68772B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {E2CA132E-E85C-40AD-BE94-B138AA68772B}.Debug|Any CPU.Build.0 = Debug|Any CPU + {E2CA132E-E85C-40AD-BE94-B138AA68772B}.Release|Any CPU.ActiveCfg = Release|Any CPU + {E2CA132E-E85C-40AD-BE94-B138AA68772B}.Release|Any CPU.Build.0 = Release|Any CPU EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE diff --git a/mqtt-map/Googlelocation.cs b/mqtt-map/Googlelocation.cs index 319f1bb..8fb4d77 100644 --- a/mqtt-map/Googlelocation.cs +++ b/mqtt-map/Googlelocation.cs @@ -21,20 +21,22 @@ namespace Fraunhofer.Fit.IoT.MqttMap { protected override void Backend_MessageIncomming(Object sender, BackendEvent e) { try { JsonData d = JsonMapper.ToObject(e.Message); - if (d.ContainsKey("PacketRssi") && d["PacketRssi"].IsInt - && d.ContainsKey("Rssi") && d["Rssi"].IsInt + if (d.ContainsKey("Rssi") && d["Rssi"].IsDouble && d.ContainsKey("Snr") && d["Snr"].IsDouble && d.ContainsKey("Receivedtime") && d["Receivedtime"].IsString && d.ContainsKey("BatteryLevel") && d["BatteryLevel"].IsDouble && d.ContainsKey("Gps") && d["Gps"].IsObject && d["Gps"].ContainsKey("Latitude") && d["Gps"]["Latitude"].IsDouble && d["Gps"].ContainsKey("Longitude") && d["Gps"]["Longitude"].IsDouble + && d["Gps"].ContainsKey("LastLatitude") && d["Gps"]["LastLatitude"].IsDouble + && d["Gps"].ContainsKey("LastLongitude") && d["Gps"]["LastLongitude"].IsDouble && d["Gps"].ContainsKey("Hdop") && d["Gps"]["Hdop"].IsDouble && d["Gps"].ContainsKey("Fix") && d["Gps"]["Fix"].IsBoolean + && d["Gps"].ContainsKey("Height") && d["Gps"]["Height"].IsDouble && d.ContainsKey("Name") && d["Name"].IsString) { String name = (String)d["Name"]; - Botclient b = new Botclient((Int32)d["PacketRssi"], (Int32)d["Rssi"], (Double)d["Snr"], (String)d["Receivedtime"], (Double)d["Gps"]["Latitude"], (Double)d["Gps"]["Longitude"], (Double)d["Gps"]["Hdop"], (Double)d["BatteryLevel"], (Boolean)d["Gps"]["Fix"]); - if (b.Fix) { + Botclient b = new Botclient(d); + if (b.Fix || b.Longitude != 0 || b.Latitude != 0) { if (this.locations.ContainsKey(name)) { this.locations[name] = b; } else { @@ -45,7 +47,9 @@ namespace Fraunhofer.Fit.IoT.MqttMap { Console.WriteLine("Daten erhalten! (Kein Fix)"); } } - } catch { } + } catch(Exception ex) { + Helper.WriteError(ex.Message); + } } protected override void SendResponse(HttpListenerContext cont) { diff --git a/mqtt-map/Lora-Map.csproj b/mqtt-map/Lora-Map.csproj index fef8810..7476281 100644 --- a/mqtt-map/Lora-Map.csproj +++ b/mqtt-map/Lora-Map.csproj @@ -7,7 +7,7 @@ {95D6F48A-9488-42A6-A973-941B45B26DB8} Exe Fraunhofer.Fit.IoT.MqttMap - mqttmap + Lora-Map v4.7.1 512 true @@ -55,6 +55,14 @@ PreserveNewest + + + + + + + + @@ -83,7 +91,9 @@ PreserveNewest - + + PreserveNewest + PreserveNewest diff --git a/mqtt-map/Model/Botclient.cs b/mqtt-map/Model/Botclient.cs index eaee44e..f247166 100644 --- a/mqtt-map/Model/Botclient.cs +++ b/mqtt-map/Model/Botclient.cs @@ -1,33 +1,63 @@ using System; using System.Collections; using System.Collections.Generic; +using System.Globalization; using System.Reflection; using BlubbFish.Utils; +using LitJson; namespace Fraunhofer.Fit.IoT.MqttMap.Model { class Botclient { - public Botclient(Int32 paketrssi, Int32 rssi, Double snr, String updatetime, Double lat, Double lon, Double hdop, Double battery, Boolean fix) { - this.PacketRssi = paketrssi; - this.Rssi = rssi; - this.Snr = snr; - this.Upatedtime = updatetime; - this.Latitude = lat; - this.Longitude = lon; - this.Hdop = hdop; - this.Battery = battery; - this.Fix = fix; + public Botclient(JsonData json) { + if (json.ContainsKey("Rssi") && json["Rssi"].IsDouble) { + this.Rssi = (Double)json["Rssi"]; + } + if(json.ContainsKey("Snr") && json["Snr"].IsDouble) { + this.Snr = (Double)json["Snr"]; + } + if (json.ContainsKey("Receivedtime") && json["Receivedtime"].IsString) { + if (DateTime.TryParse((String)json["Receivedtime"], DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AssumeLocal, out DateTime updatetime)) { + this.Upatedtime = updatetime; + } + } + if(json.ContainsKey("BatteryLevel") && json["BatteryLevel"].IsDouble) { + this.Battery = Math.Round((Double)json["BatteryLevel"],2); + } + if(json.ContainsKey("Gps") && json["Gps"].IsObject) { + if(json["Gps"].ContainsKey("Latitude") && json["Gps"]["Latitude"].IsDouble) { + this.Latitude = (Double)json["Gps"]["Latitude"]; + } + if(json["Gps"].ContainsKey("Longitude") && json["Gps"]["Longitude"].IsDouble) { + this.Longitude = (Double)json["Gps"]["Longitude"]; + } + if(json["Gps"].ContainsKey("Fix") && json["Gps"]["Fix"].IsBoolean) { + this.Fix = (Boolean)json["Gps"]["Fix"]; + } + if(json["Gps"].ContainsKey("LastLatitude") && json["Gps"]["LastLatitude"].IsDouble && !this.Fix) { + this.Latitude = (Double)json["Gps"]["LastLatitude"]; + } + if(json["Gps"].ContainsKey("LastLongitude") && json["Gps"]["LastLongitude"].IsDouble && !this.Fix) { + this.Longitude = (Double)json["Gps"]["LastLongitude"]; + } + if(json["Gps"].ContainsKey("Hdop") && json["Gps"]["Hdop"].IsDouble) { + this.Hdop = (Double)json["Gps"]["Hdop"]; + } + if(json["Gps"].ContainsKey("Height") && json["Gps"]["Height"].IsDouble) { + this.Height = (Double)json["Gps"]["Height"]; + } + } } - public Int32 PacketRssi { get; private set; } - public Int32 Rssi { get; private set; } + public Double Rssi { get; private set; } public Double Snr { get; private set; } - public String Upatedtime { get; private set; } + public DateTime Upatedtime { get; private set; } public Double Latitude { get; private set; } public Double Longitude { get; private set; } public Double Hdop { get; private set; } public Double Battery { get; private set; } public Boolean Fix { get; private set; } + public Double Height { get; private set; } public virtual Dictionary ToDictionary() { Dictionary dictionary = new Dictionary(); diff --git a/mqtt-map/Program.cs b/mqtt-map/Program.cs index 9b60231..30b8b98 100644 --- a/mqtt-map/Program.cs +++ b/mqtt-map/Program.cs @@ -6,14 +6,14 @@ using BlubbFish.Utils.IoT.Connector; namespace Fraunhofer.Fit.IoT.MqttMap { class Program { static void Main(String[] args) { - InIReader.SetSearchPath(new List() { "/etc/mqttmap", Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\mqttmap" }); + InIReader.SetSearchPath(new List() { "/etc/loramap", Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\loramap" }); if (!InIReader.ConfigExist("settings")) { - Console.WriteLine("settings.ini not found!"); + Helper.WriteError("settings.ini not found!"); Console.ReadLine(); return; } if(!InIReader.ConfigExist("requests")) { - Console.WriteLine("requests.ini not found!"); + Helper.WriteError("requests.ini not found!"); Console.ReadLine(); return; } diff --git a/mqtt-map/Properties/AssemblyInfo.cs b/mqtt-map/Properties/AssemblyInfo.cs index 6916952..500ec49 100644 --- a/mqtt-map/Properties/AssemblyInfo.cs +++ b/mqtt-map/Properties/AssemblyInfo.cs @@ -10,7 +10,7 @@ using System.Runtime.InteropServices; [assembly: AssemblyConfiguration("")] [assembly: AssemblyCompany("")] [assembly: AssemblyProduct("mqtt-map")] -[assembly: AssemblyCopyright("Copyright © 2018")] +[assembly: AssemblyCopyright("Copyright © 2018 - 06.03.2019")] [assembly: AssemblyTrademark("")] [assembly: AssemblyCulture("")] @@ -32,5 +32,8 @@ using System.Runtime.InteropServices; // Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden, // übernehmen, indem Sie "*" eingeben: // [assembly: AssemblyVersion("1.0.*")] -[assembly: AssemblyVersion("1.1.0.0")] -[assembly: AssemblyFileVersion("1.1.0.0")] +[assembly: AssemblyVersion("1.1.1")] +[assembly: AssemblyFileVersion("1.1.1")] +/* + * 1.1.1 Add Debian package config + */ \ No newline at end of file diff --git a/mqtt-map/dpkg/control b/mqtt-map/dpkg/control new file mode 100644 index 0000000..5dd85f5 --- /dev/null +++ b/mqtt-map/dpkg/control @@ -0,0 +1,9 @@ +Package: loramap +Version: x.x-x +Section: base +Priority: optional +Architecture: any +Depends: mono-runtime (>= 5.18), libmono-posix4.0-cil (>= 5.18) +Maintainer: BlubbFish +Description: Lora-Map + Lora-Map shows a Map to control the Lora Tracker diff --git a/mqtt-map/dpkg/create-Builds.bat b/mqtt-map/dpkg/create-Builds.bat new file mode 100644 index 0000000..d28e857 --- /dev/null +++ b/mqtt-map/dpkg/create-Builds.bat @@ -0,0 +1,2 @@ +bash.exe -c "./make-deb.sh armhf" +pause \ No newline at end of file diff --git a/mqtt-map/dpkg/loramap-logrotate b/mqtt-map/dpkg/loramap-logrotate new file mode 100644 index 0000000..ac3be19 --- /dev/null +++ b/mqtt-map/dpkg/loramap-logrotate @@ -0,0 +1,10 @@ +/var/log/loramap.log { + compress + copytruncate + daily + delaycompress + missingok + notifempty + rotate 4 + size=10M +} \ No newline at end of file diff --git a/mqtt-map/dpkg/loramap.service b/mqtt-map/dpkg/loramap.service new file mode 100644 index 0000000..203bcac --- /dev/null +++ b/mqtt-map/dpkg/loramap.service @@ -0,0 +1,20 @@ +# If you modify this, please also make sure to edit init.sh + +[Unit] +Description=Lora-Map +After=network-online.target + +[Service] +User=root +Group=root +WorkingDirectory=/usr/local/bin/loramap +ExecStart=/usr/bin/mono /usr/local/bin/loramap/Lora-Map.exe +KillMode=control-group +TimeoutStopSec=5 +Restart=on-failure +StandardOutput=null +StandardError=syslog + +[Install] +WantedBy=multi-user.target +Alias=loramap.service diff --git a/mqtt-map/dpkg/make-deb.sh b/mqtt-map/dpkg/make-deb.sh new file mode 100644 index 0000000..14951f0 --- /dev/null +++ b/mqtt-map/dpkg/make-deb.sh @@ -0,0 +1,53 @@ +#!/bin/bash + +HOMEDIR=$HOME +ROOT="$HOMEDIR/deb" +OUTPUT="../bin/Release" + +EXEC="$ROOT/usr/local/bin/loramap" +CONFIG="$ROOT/etc/loramap" +SYSTEMD="$ROOT/lib/systemd/system" +LOGROTATE="$ROOT/etc/logrotate.d" + +DEBIAN="$ROOT/DEBIAN" +VMAJOR=$(grep -e "^\[assembly: AssemblyVersion(\"" ../Properties/AssemblyInfo.cs | cut -d'"' -f 2 | cut -d'.' -f 1) +VMINOR=$(grep -e "^\[assembly: AssemblyVersion(\"" ../Properties/AssemblyInfo.cs | cut -d'"' -f 2 | cut -d'.' -f 2) +VBUILD=$(grep -e "^\[assembly: AssemblyVersion(\"" ../Properties/AssemblyInfo.cs | cut -d'"' -f 2 | cut -d'.' -f 3) +ARCHT=$1 + +mkdir -p $EXEC +mkdir -p $CONFIG +mkdir -p $DEBIAN +mkdir -p $SYSTEMD +mkdir -p $LOGROTATE + +cp control $DEBIAN +cp preinst $DEBIAN +cp postinst $DEBIAN +cp prerm $DEBIAN +sed -i s/Version:\ x\.x-x/"Version: $VMAJOR.$VMINOR-$VBUILD"/ $DEBIAN/control +sed -i s/Architecture:\ any/"Architecture: $ARCHT"/ $DEBIAN/control +chmod 755 $DEBIAN -R + +cp loramap.service $SYSTEMD +chmod 644 $SYSTEMD/loramap.service + +cp $OUTPUT/*.exe $EXEC/ +#cp $OUTPUT/gpio.2.44 $EXEC/ +#cp $OUTPUT/libwiringPi.so.2.44 $EXEC/ +find $OUTPUT -name \*.dll -exec cp {} $EXEC/ \; +chmod 644 $EXEC/* +chmod 755 $EXEC + +cp $OUTPUT/resources $EXEC -r + +cp $OUTPUT/config-example/* $CONFIG +chmod 644 $CONFIG/* +chmod 755 $CONFIG + +cp loramap-logrotate $LOGROTATE/loramap +chmod 644 $LOGROTATE/* + +dpkg-deb --build $ROOT +mv $HOMEDIR/deb.deb ../../../Builds/"$ARCHT-loramap_$VMAJOR.$VMINOR-$VBUILD.deb" +rm $HOMEDIR/deb -r \ No newline at end of file diff --git a/mqtt-map/dpkg/postinst b/mqtt-map/dpkg/postinst new file mode 100644 index 0000000..27417e8 --- /dev/null +++ b/mqtt-map/dpkg/postinst @@ -0,0 +1,9 @@ +#!/bin/bash + +systemctl enable loramap +systemctl daemon-reload + +if [ -f /tmp/loramap_service_runner ]; then + service loramap start + rm /tmp/loramap_service_runner +fi \ No newline at end of file diff --git a/mqtt-map/dpkg/preinst b/mqtt-map/dpkg/preinst new file mode 100644 index 0000000..05a7907 --- /dev/null +++ b/mqtt-map/dpkg/preinst @@ -0,0 +1,2 @@ +#!/bin/bash + diff --git a/mqtt-map/dpkg/prerm b/mqtt-map/dpkg/prerm new file mode 100644 index 0000000..77d10d3 --- /dev/null +++ b/mqtt-map/dpkg/prerm @@ -0,0 +1,7 @@ +#!/bin/bash + +if [[ $(systemctl is-active loramap || true) == "active" ]] +then + touch /tmp/loramap_service_runner + service loramap stop +fi \ No newline at end of file diff --git a/mqtt-map/resources/css/global.css b/mqtt-map/resources/css/global.css index 71de8c7..9ccc014 100644 --- a/mqtt-map/resources/css/global.css +++ b/mqtt-map/resources/css/global.css @@ -11,10 +11,20 @@ html, body { padding: 0; } -#title { +#menucollumn { + width: 30px; + background-color: white; position: absolute; - z-index: 10000; - margin-left: 110px; - margin-top: 7px; - color: #e23232; + top: 85px; + bottom: 10px; + left: 10px; + z-index: 5000; + border: rgba(0,0,0,0.5) 2px solid; + border-radius: 4px } + +#menucollumn .pos { + display: block; + height: 32px; + width: 32px; +} \ No newline at end of file diff --git a/mqtt-map/resources/index.html b/mqtt-map/resources/index.html index af1df98..0e15128 100644 --- a/mqtt-map/resources/index.html +++ b/mqtt-map/resources/index.html @@ -8,8 +8,10 @@ -

Mqtt-Map Monica

+ diff --git a/mqtt-map/resources/js/leaflet/leaflet-src.esm.js b/mqtt-map/resources/js/leaflet/leaflet-src.esm.js index 1a51345..14268cd 100644 --- a/mqtt-map/resources/js/leaflet/leaflet-src.esm.js +++ b/mqtt-map/resources/js/leaflet/leaflet-src.esm.js @@ -1,10 +1,10 @@ -/* @preserve - * Leaflet 1.3.4+Detached: 0e566b2ad5e696ba9f79a9d48a7e51c8f4892441.0e566b2, a JS library for interactive maps. http://leafletjs.com - * (c) 2010-2018 Vladimir Agafonkin, (c) 2010-2011 CloudMade - */ - -var version = "1.3.4+HEAD.0e566b2"; - +/* @preserve + * Leaflet 1.3.4+Detached: 0e566b2ad5e696ba9f79a9d48a7e51c8f4892441.0e566b2, a JS library for interactive maps. http://leafletjs.com + * (c) 2010-2018 Vladimir Agafonkin, (c) 2010-2011 CloudMade + */ + +var version = "1.3.4+HEAD.0e566b2"; + /* * @namespace Util * @@ -246,33 +246,33 @@ function cancelAnimFrame(id) { cancelFn.call(window, id); } } - - -var Util = (Object.freeze || Object)({ - freeze: freeze, - extend: extend, - create: create, - bind: bind, - lastId: lastId, - stamp: stamp, - throttle: throttle, - wrapNum: wrapNum, - falseFn: falseFn, - formatNum: formatNum, - trim: trim, - splitWords: splitWords, - setOptions: setOptions, - getParamString: getParamString, - template: template, - isArray: isArray, - indexOf: indexOf, - emptyImageUrl: emptyImageUrl, - requestFn: requestFn, - cancelFn: cancelFn, - requestAnimFrame: requestAnimFrame, - cancelAnimFrame: cancelAnimFrame -}); - + + +var Util = (Object.freeze || Object)({ + freeze: freeze, + extend: extend, + create: create, + bind: bind, + lastId: lastId, + stamp: stamp, + throttle: throttle, + wrapNum: wrapNum, + falseFn: falseFn, + formatNum: formatNum, + trim: trim, + splitWords: splitWords, + setOptions: setOptions, + getParamString: getParamString, + template: template, + isArray: isArray, + indexOf: indexOf, + emptyImageUrl: emptyImageUrl, + requestFn: requestFn, + cancelFn: cancelFn, + requestAnimFrame: requestAnimFrame, + cancelAnimFrame: cancelAnimFrame +}); + // @class Class // @aka L.Class @@ -396,8 +396,8 @@ function checkDeprecatedMixinEvents(includes) { 'please inherit from L.Evented instead.', new Error().stack); } } -} - +} + /* * @class Evented * @aka L.Evented @@ -689,8 +689,8 @@ Events.fireEvent = Events.fire; // Alias to [`listens(…)`](#evented-listens) Events.hasEventListeners = Events.listens; -var Evented = Class.extend(Events); - +var Evented = Class.extend(Events); + /* * @class Point * @aka L.Point @@ -910,8 +910,8 @@ function toPoint(x, y, round) { return new Point(x.x, x.y); } return new Point(x, y, round); -} - +} + /* * @class Bounds * @aka L.Bounds @@ -1082,8 +1082,8 @@ function toBounds(a, b) { return a; } return new Bounds(a, b); -} - +} + /* * @class LatLngBounds * @aka L.LatLngBounds @@ -1332,8 +1332,8 @@ function toLatLngBounds(a, b) { return a; } return new LatLngBounds(a, b); -} - +} + /* @class LatLng * @aka L.LatLng * @@ -1466,8 +1466,8 @@ function toLatLng(a, b, c) { return null; } return new LatLng(a, b, c); -} - +} + /* * @namespace CRS * @crs L.CRS.Base @@ -1600,39 +1600,39 @@ var CRS = { return new LatLngBounds(newSw, newNe); } -}; - -/* - * @namespace CRS - * @crs L.CRS.Earth - * - * Serves as the base for CRS that are global such that they cover the earth. - * Can only be used as the base for other CRS and cannot be used directly, - * since it does not have a `code`, `projection` or `transformation`. `distance()` returns - * meters. - */ - -var Earth = extend({}, CRS, { - wrapLng: [-180, 180], - - // Mean Earth Radius, as recommended for use by - // the International Union of Geodesy and Geophysics, - // see http://rosettacode.org/wiki/Haversine_formula - R: 6371000, - - // distance between two geographical points using spherical law of cosines approximation - distance: function (latlng1, latlng2) { - var rad = Math.PI / 180, - lat1 = latlng1.lat * rad, - lat2 = latlng2.lat * rad, - sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2), - sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2), - a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon, - c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); - return this.R * c; - } -}); - +}; + +/* + * @namespace CRS + * @crs L.CRS.Earth + * + * Serves as the base for CRS that are global such that they cover the earth. + * Can only be used as the base for other CRS and cannot be used directly, + * since it does not have a `code`, `projection` or `transformation`. `distance()` returns + * meters. + */ + +var Earth = extend({}, CRS, { + wrapLng: [-180, 180], + + // Mean Earth Radius, as recommended for use by + // the International Union of Geodesy and Geophysics, + // see http://rosettacode.org/wiki/Haversine_formula + R: 6371000, + + // distance between two geographical points using spherical law of cosines approximation + distance: function (latlng1, latlng2) { + var rad = Math.PI / 180, + lat1 = latlng1.lat * rad, + lat2 = latlng2.lat * rad, + sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2), + sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2), + a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon, + c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); + return this.R * c; + } +}); + /* * @namespace Projection * @projection L.Projection.SphericalMercator @@ -1670,8 +1670,8 @@ var SphericalMercator = { var d = 6378137 * Math.PI; return new Bounds([-d, -d], [d, d]); })() -}; - +}; + /* * @class Transformation * @aka L.Transformation @@ -1747,8 +1747,8 @@ Transformation.prototype = { function toTransformation(a, b, c, d) { return new Transformation(a, b, c, d); -} - +} + /* * @namespace CRS * @crs L.CRS.EPSG3857 @@ -1770,42 +1770,42 @@ var EPSG3857 = extend({}, Earth, { var EPSG900913 = extend({}, EPSG3857, { code: 'EPSG:900913' -}); - -// @namespace SVG; @section -// There are several static functions which can be called without instantiating L.SVG: - -// @function create(name: String): SVGElement -// Returns a instance of [SVGElement](https://developer.mozilla.org/docs/Web/API/SVGElement), -// corresponding to the class name passed. For example, using 'line' will return -// an instance of [SVGLineElement](https://developer.mozilla.org/docs/Web/API/SVGLineElement). -function svgCreate(name) { - return document.createElementNS('http://www.w3.org/2000/svg', name); -} - -// @function pointsToPath(rings: Point[], closed: Boolean): String -// Generates a SVG path string for multiple rings, with each ring turning -// into "M..L..L.." instructions -function pointsToPath(rings, closed) { - var str = '', - i, j, len, len2, points, p; - - for (i = 0, len = rings.length; i < len; i++) { - points = rings[i]; - - for (j = 0, len2 = points.length; j < len2; j++) { - p = points[j]; - str += (j ? 'L' : 'M') + p.x + ' ' + p.y; - } - - // closes the ring for polygons; "x" is VML syntax - str += closed ? (svg ? 'z' : 'x') : ''; - } - - // SVG complains about empty path strings - return str || 'M0 0'; -} - +}); + +// @namespace SVG; @section +// There are several static functions which can be called without instantiating L.SVG: + +// @function create(name: String): SVGElement +// Returns a instance of [SVGElement](https://developer.mozilla.org/docs/Web/API/SVGElement), +// corresponding to the class name passed. For example, using 'line' will return +// an instance of [SVGLineElement](https://developer.mozilla.org/docs/Web/API/SVGLineElement). +function svgCreate(name) { + return document.createElementNS('http://www.w3.org/2000/svg', name); +} + +// @function pointsToPath(rings: Point[], closed: Boolean): String +// Generates a SVG path string for multiple rings, with each ring turning +// into "M..L..L.." instructions +function pointsToPath(rings, closed) { + var str = '', + i, j, len, len2, points, p; + + for (i = 0, len = rings.length; i < len; i++) { + points = rings[i]; + + for (j = 0, len2 = points.length; j < len2; j++) { + p = points[j]; + str += (j ? 'L' : 'M') + p.x + ' ' + p.y; + } + + // closes the ring for polygons; "x" is VML syntax + str += closed ? (svg ? 'z' : 'x') : ''; + } + + // SVG complains about empty path strings + return str || 'M0 0'; +} + /* * @namespace Browser * @aka L.Browser @@ -1951,171 +1951,171 @@ var vml = !svg && (function () { function userAgentContains(str) { return navigator.userAgent.toLowerCase().indexOf(str) >= 0; } - - -var Browser = (Object.freeze || Object)({ - ie: ie, - ielt9: ielt9, - edge: edge, - webkit: webkit, - android: android, - android23: android23, - androidStock: androidStock, - opera: opera, - chrome: chrome, - gecko: gecko, - safari: safari, - phantom: phantom, - opera12: opera12, - win: win, - ie3d: ie3d, - webkit3d: webkit3d, - gecko3d: gecko3d, - any3d: any3d, - mobile: mobile, - mobileWebkit: mobileWebkit, - mobileWebkit3d: mobileWebkit3d, - msPointer: msPointer, - pointer: pointer, - touch: touch, - mobileOpera: mobileOpera, - mobileGecko: mobileGecko, - retina: retina, - canvas: canvas, - svg: svg, - vml: vml -}); - -/* - * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices. - */ - - -var POINTER_DOWN = msPointer ? 'MSPointerDown' : 'pointerdown'; -var POINTER_MOVE = msPointer ? 'MSPointerMove' : 'pointermove'; -var POINTER_UP = msPointer ? 'MSPointerUp' : 'pointerup'; -var POINTER_CANCEL = msPointer ? 'MSPointerCancel' : 'pointercancel'; -var TAG_WHITE_LIST = ['INPUT', 'SELECT', 'OPTION']; - -var _pointers = {}; -var _pointerDocListener = false; - -// DomEvent.DoubleTap needs to know about this -var _pointersCount = 0; - -// Provides a touch events wrapper for (ms)pointer events. -// ref http://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890 - -function addPointerListener(obj, type, handler, id) { - if (type === 'touchstart') { - _addPointerStart(obj, handler, id); - - } else if (type === 'touchmove') { - _addPointerMove(obj, handler, id); - - } else if (type === 'touchend') { - _addPointerEnd(obj, handler, id); - } - - return this; -} - -function removePointerListener(obj, type, id) { - var handler = obj['_leaflet_' + type + id]; - - if (type === 'touchstart') { - obj.removeEventListener(POINTER_DOWN, handler, false); - - } else if (type === 'touchmove') { - obj.removeEventListener(POINTER_MOVE, handler, false); - - } else if (type === 'touchend') { - obj.removeEventListener(POINTER_UP, handler, false); - obj.removeEventListener(POINTER_CANCEL, handler, false); - } - - return this; -} - -function _addPointerStart(obj, handler, id) { - var onDown = bind(function (e) { - if (e.pointerType !== 'mouse' && e.MSPOINTER_TYPE_MOUSE && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) { - // In IE11, some touch events needs to fire for form controls, or - // the controls will stop working. We keep a whitelist of tag names that - // need these events. For other target tags, we prevent default on the event. - if (TAG_WHITE_LIST.indexOf(e.target.tagName) < 0) { - preventDefault(e); - } else { - return; - } - } - - _handlePointer(e, handler); - }); - - obj['_leaflet_touchstart' + id] = onDown; - obj.addEventListener(POINTER_DOWN, onDown, false); - - // need to keep track of what pointers and how many are active to provide e.touches emulation - if (!_pointerDocListener) { - // we listen documentElement as any drags that end by moving the touch off the screen get fired there - document.documentElement.addEventListener(POINTER_DOWN, _globalPointerDown, true); - document.documentElement.addEventListener(POINTER_MOVE, _globalPointerMove, true); - document.documentElement.addEventListener(POINTER_UP, _globalPointerUp, true); - document.documentElement.addEventListener(POINTER_CANCEL, _globalPointerUp, true); - - _pointerDocListener = true; - } -} - -function _globalPointerDown(e) { - _pointers[e.pointerId] = e; - _pointersCount++; -} - -function _globalPointerMove(e) { - if (_pointers[e.pointerId]) { - _pointers[e.pointerId] = e; - } -} - -function _globalPointerUp(e) { - delete _pointers[e.pointerId]; - _pointersCount--; -} - -function _handlePointer(e, handler) { - e.touches = []; - for (var i in _pointers) { - e.touches.push(_pointers[i]); - } - e.changedTouches = [e]; - - handler(e); -} - -function _addPointerMove(obj, handler, id) { - var onMove = function (e) { - // don't fire touch moves when mouse isn't down - if ((e.pointerType === e.MSPOINTER_TYPE_MOUSE || e.pointerType === 'mouse') && e.buttons === 0) { return; } - - _handlePointer(e, handler); - }; - - obj['_leaflet_touchmove' + id] = onMove; - obj.addEventListener(POINTER_MOVE, onMove, false); -} - -function _addPointerEnd(obj, handler, id) { - var onUp = function (e) { - _handlePointer(e, handler); - }; - - obj['_leaflet_touchend' + id] = onUp; - obj.addEventListener(POINTER_UP, onUp, false); - obj.addEventListener(POINTER_CANCEL, onUp, false); -} - + + +var Browser = (Object.freeze || Object)({ + ie: ie, + ielt9: ielt9, + edge: edge, + webkit: webkit, + android: android, + android23: android23, + androidStock: androidStock, + opera: opera, + chrome: chrome, + gecko: gecko, + safari: safari, + phantom: phantom, + opera12: opera12, + win: win, + ie3d: ie3d, + webkit3d: webkit3d, + gecko3d: gecko3d, + any3d: any3d, + mobile: mobile, + mobileWebkit: mobileWebkit, + mobileWebkit3d: mobileWebkit3d, + msPointer: msPointer, + pointer: pointer, + touch: touch, + mobileOpera: mobileOpera, + mobileGecko: mobileGecko, + retina: retina, + canvas: canvas, + svg: svg, + vml: vml +}); + +/* + * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices. + */ + + +var POINTER_DOWN = msPointer ? 'MSPointerDown' : 'pointerdown'; +var POINTER_MOVE = msPointer ? 'MSPointerMove' : 'pointermove'; +var POINTER_UP = msPointer ? 'MSPointerUp' : 'pointerup'; +var POINTER_CANCEL = msPointer ? 'MSPointerCancel' : 'pointercancel'; +var TAG_WHITE_LIST = ['INPUT', 'SELECT', 'OPTION']; + +var _pointers = {}; +var _pointerDocListener = false; + +// DomEvent.DoubleTap needs to know about this +var _pointersCount = 0; + +// Provides a touch events wrapper for (ms)pointer events. +// ref http://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890 + +function addPointerListener(obj, type, handler, id) { + if (type === 'touchstart') { + _addPointerStart(obj, handler, id); + + } else if (type === 'touchmove') { + _addPointerMove(obj, handler, id); + + } else if (type === 'touchend') { + _addPointerEnd(obj, handler, id); + } + + return this; +} + +function removePointerListener(obj, type, id) { + var handler = obj['_leaflet_' + type + id]; + + if (type === 'touchstart') { + obj.removeEventListener(POINTER_DOWN, handler, false); + + } else if (type === 'touchmove') { + obj.removeEventListener(POINTER_MOVE, handler, false); + + } else if (type === 'touchend') { + obj.removeEventListener(POINTER_UP, handler, false); + obj.removeEventListener(POINTER_CANCEL, handler, false); + } + + return this; +} + +function _addPointerStart(obj, handler, id) { + var onDown = bind(function (e) { + if (e.pointerType !== 'mouse' && e.MSPOINTER_TYPE_MOUSE && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) { + // In IE11, some touch events needs to fire for form controls, or + // the controls will stop working. We keep a whitelist of tag names that + // need these events. For other target tags, we prevent default on the event. + if (TAG_WHITE_LIST.indexOf(e.target.tagName) < 0) { + preventDefault(e); + } else { + return; + } + } + + _handlePointer(e, handler); + }); + + obj['_leaflet_touchstart' + id] = onDown; + obj.addEventListener(POINTER_DOWN, onDown, false); + + // need to keep track of what pointers and how many are active to provide e.touches emulation + if (!_pointerDocListener) { + // we listen documentElement as any drags that end by moving the touch off the screen get fired there + document.documentElement.addEventListener(POINTER_DOWN, _globalPointerDown, true); + document.documentElement.addEventListener(POINTER_MOVE, _globalPointerMove, true); + document.documentElement.addEventListener(POINTER_UP, _globalPointerUp, true); + document.documentElement.addEventListener(POINTER_CANCEL, _globalPointerUp, true); + + _pointerDocListener = true; + } +} + +function _globalPointerDown(e) { + _pointers[e.pointerId] = e; + _pointersCount++; +} + +function _globalPointerMove(e) { + if (_pointers[e.pointerId]) { + _pointers[e.pointerId] = e; + } +} + +function _globalPointerUp(e) { + delete _pointers[e.pointerId]; + _pointersCount--; +} + +function _handlePointer(e, handler) { + e.touches = []; + for (var i in _pointers) { + e.touches.push(_pointers[i]); + } + e.changedTouches = [e]; + + handler(e); +} + +function _addPointerMove(obj, handler, id) { + var onMove = function (e) { + // don't fire touch moves when mouse isn't down + if ((e.pointerType === e.MSPOINTER_TYPE_MOUSE || e.pointerType === 'mouse') && e.buttons === 0) { return; } + + _handlePointer(e, handler); + }; + + obj['_leaflet_touchmove' + id] = onMove; + obj.addEventListener(POINTER_MOVE, onMove, false); +} + +function _addPointerEnd(obj, handler, id) { + var onUp = function (e) { + _handlePointer(e, handler); + }; + + obj['_leaflet_touchend' + id] = onUp; + obj.addEventListener(POINTER_UP, onUp, false); + obj.addEventListener(POINTER_CANCEL, onUp, false); +} + /* * Extends the event handling code with double tap support for mobile browsers. */ @@ -2198,8 +2198,8 @@ function removeDoubleTapListener(obj, id) { } return this; -} - +} + /* * @namespace DomUtil * @@ -2489,7 +2489,7 @@ function enableImageDrag() { off(window, 'dragstart', preventDefault); } -var _outlineElement; +var _outlineElement; var _outlineStyle; // @function preventOutline(el: HTMLElement) // Makes the [outline](https://developer.mozilla.org/docs/Web/CSS/outline) @@ -2540,39 +2540,39 @@ function getScale(element) { boundingClientRect: rect }; } - - -var DomUtil = (Object.freeze || Object)({ - TRANSFORM: TRANSFORM, - TRANSITION: TRANSITION, - TRANSITION_END: TRANSITION_END, - get: get, - getStyle: getStyle, - create: create$1, - remove: remove, - empty: empty, - toFront: toFront, - toBack: toBack, - hasClass: hasClass, - addClass: addClass, - removeClass: removeClass, - setClass: setClass, - getClass: getClass, - setOpacity: setOpacity, - testProp: testProp, - setTransform: setTransform, - setPosition: setPosition, - getPosition: getPosition, - disableTextSelection: disableTextSelection, - enableTextSelection: enableTextSelection, - disableImageDrag: disableImageDrag, - enableImageDrag: enableImageDrag, - preventOutline: preventOutline, - restoreOutline: restoreOutline, - getSizedParentNode: getSizedParentNode, - getScale: getScale -}); - + + +var DomUtil = (Object.freeze || Object)({ + TRANSFORM: TRANSFORM, + TRANSITION: TRANSITION, + TRANSITION_END: TRANSITION_END, + get: get, + getStyle: getStyle, + create: create$1, + remove: remove, + empty: empty, + toFront: toFront, + toBack: toBack, + hasClass: hasClass, + addClass: addClass, + removeClass: removeClass, + setClass: setClass, + getClass: getClass, + setOpacity: setOpacity, + testProp: testProp, + setTransform: setTransform, + setPosition: setPosition, + getPosition: getPosition, + disableTextSelection: disableTextSelection, + enableTextSelection: enableTextSelection, + disableImageDrag: disableImageDrag, + enableImageDrag: enableImageDrag, + preventOutline: preventOutline, + restoreOutline: restoreOutline, + getSizedParentNode: getSizedParentNode, + getScale: getScale +}); + /* * @namespace DomEvent * Utility functions to work with the [DOM events](https://developer.mozilla.org/docs/Web/API/Event), used by Leaflet internally. @@ -2876,121 +2876,121 @@ function filterClick(e, handler) { } - - -var DomEvent = (Object.freeze || Object)({ - on: on, - off: off, - stopPropagation: stopPropagation, - disableScrollPropagation: disableScrollPropagation, - disableClickPropagation: disableClickPropagation, - preventDefault: preventDefault, - stop: stop, - getMousePosition: getMousePosition, - getWheelDelta: getWheelDelta, - fakeStop: fakeStop, - skipped: skipped, - isExternalTarget: isExternalTarget, - addListener: on, - removeListener: off -}); - -/* - * @class PosAnimation - * @aka L.PosAnimation - * @inherits Evented - * Used internally for panning animations, utilizing CSS3 Transitions for modern browsers and a timer fallback for IE6-9. - * - * @example - * ```js - * var fx = new L.PosAnimation(); - * fx.run(el, [300, 500], 0.5); - * ``` - * - * @constructor L.PosAnimation() - * Creates a `PosAnimation` object. - * - */ - -var PosAnimation = Evented.extend({ - - // @method run(el: HTMLElement, newPos: Point, duration?: Number, easeLinearity?: Number) - // Run an animation of a given element to a new position, optionally setting - // duration in seconds (`0.25` by default) and easing linearity factor (3rd - // argument of the [cubic bezier curve](http://cubic-bezier.com/#0,0,.5,1), - // `0.5` by default). - run: function (el, newPos, duration, easeLinearity) { - this.stop(); - - this._el = el; - this._inProgress = true; - this._duration = duration || 0.25; - this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2); - - this._startPos = getPosition(el); - this._offset = newPos.subtract(this._startPos); - this._startTime = +new Date(); - - // @event start: Event - // Fired when the animation starts - this.fire('start'); - - this._animate(); - }, - - // @method stop() - // Stops the animation (if currently running). - stop: function () { - if (!this._inProgress) { return; } - - this._step(true); - this._complete(); - }, - - _animate: function () { - // animation loop - this._animId = requestAnimFrame(this._animate, this); - this._step(); - }, - - _step: function (round) { - var elapsed = (+new Date()) - this._startTime, - duration = this._duration * 1000; - - if (elapsed < duration) { - this._runFrame(this._easeOut(elapsed / duration), round); - } else { - this._runFrame(1); - this._complete(); - } - }, - - _runFrame: function (progress, round) { - var pos = this._startPos.add(this._offset.multiplyBy(progress)); - if (round) { - pos._round(); - } - setPosition(this._el, pos); - - // @event step: Event - // Fired continuously during the animation. - this.fire('step'); - }, - - _complete: function () { - cancelAnimFrame(this._animId); - - this._inProgress = false; - // @event end: Event - // Fired when the animation ends. - this.fire('end'); - }, - - _easeOut: function (t) { - return 1 - Math.pow(1 - t, this._easeOutPower); - } -}); - + + +var DomEvent = (Object.freeze || Object)({ + on: on, + off: off, + stopPropagation: stopPropagation, + disableScrollPropagation: disableScrollPropagation, + disableClickPropagation: disableClickPropagation, + preventDefault: preventDefault, + stop: stop, + getMousePosition: getMousePosition, + getWheelDelta: getWheelDelta, + fakeStop: fakeStop, + skipped: skipped, + isExternalTarget: isExternalTarget, + addListener: on, + removeListener: off +}); + +/* + * @class PosAnimation + * @aka L.PosAnimation + * @inherits Evented + * Used internally for panning animations, utilizing CSS3 Transitions for modern browsers and a timer fallback for IE6-9. + * + * @example + * ```js + * var fx = new L.PosAnimation(); + * fx.run(el, [300, 500], 0.5); + * ``` + * + * @constructor L.PosAnimation() + * Creates a `PosAnimation` object. + * + */ + +var PosAnimation = Evented.extend({ + + // @method run(el: HTMLElement, newPos: Point, duration?: Number, easeLinearity?: Number) + // Run an animation of a given element to a new position, optionally setting + // duration in seconds (`0.25` by default) and easing linearity factor (3rd + // argument of the [cubic bezier curve](http://cubic-bezier.com/#0,0,.5,1), + // `0.5` by default). + run: function (el, newPos, duration, easeLinearity) { + this.stop(); + + this._el = el; + this._inProgress = true; + this._duration = duration || 0.25; + this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2); + + this._startPos = getPosition(el); + this._offset = newPos.subtract(this._startPos); + this._startTime = +new Date(); + + // @event start: Event + // Fired when the animation starts + this.fire('start'); + + this._animate(); + }, + + // @method stop() + // Stops the animation (if currently running). + stop: function () { + if (!this._inProgress) { return; } + + this._step(true); + this._complete(); + }, + + _animate: function () { + // animation loop + this._animId = requestAnimFrame(this._animate, this); + this._step(); + }, + + _step: function (round) { + var elapsed = (+new Date()) - this._startTime, + duration = this._duration * 1000; + + if (elapsed < duration) { + this._runFrame(this._easeOut(elapsed / duration), round); + } else { + this._runFrame(1); + this._complete(); + } + }, + + _runFrame: function (progress, round) { + var pos = this._startPos.add(this._offset.multiplyBy(progress)); + if (round) { + pos._round(); + } + setPosition(this._el, pos); + + // @event step: Event + // Fired continuously during the animation. + this.fire('step'); + }, + + _complete: function () { + cancelAnimFrame(this._animId); + + this._inProgress = false; + // @event end: Event + // Fired when the animation ends. + this.fire('end'); + }, + + _easeOut: function (t) { + return 1 - Math.pow(1 - t, this._easeOutPower); + } +}); + /* * @class Map * @aka L.Map @@ -4649,8 +4649,8 @@ var Map = Evented.extend({ // and optionally an object literal with `Map options`. function createMap(id, options) { return new Map(id, options); -} - +} + /* * @class Control * @aka L.Control @@ -4815,8 +4815,8 @@ Map.include({ delete this._controlCorners; delete this._controlContainer; } -}); - +}); + /* * @class Control.Layers * @aka L.Control.Layers @@ -5240,8 +5240,8 @@ var Layers = Control.extend({ // Creates an attribution control with the given layers. Base layers will be switched with radio buttons, while overlays will be switched with checkboxes. Note that all base layers should be passed in the base layers object, but only one should be added to the map during map instantiation. var layers = function (baseLayers, overlays, options) { return new Layers(baseLayers, overlays, options); -}; - +}; + /* * @class Control.Zoom * @aka L.Control.Zoom @@ -5377,137 +5377,137 @@ Map.addInitHook(function () { // Creates a zoom control var zoom = function (options) { return new Zoom(options); -}; - -/* - * @class Control.Scale - * @aka L.Control.Scale - * @inherits Control - * - * A simple scale control that shows the scale of the current center of screen in metric (m/km) and imperial (mi/ft) systems. Extends `Control`. - * - * @example - * - * ```js - * L.control.scale().addTo(map); - * ``` - */ - -var Scale = Control.extend({ - // @section - // @aka Control.Scale options - options: { - position: 'bottomleft', - - // @option maxWidth: Number = 100 - // Maximum width of the control in pixels. The width is set dynamically to show round values (e.g. 100, 200, 500). - maxWidth: 100, - - // @option metric: Boolean = True - // Whether to show the metric scale line (m/km). - metric: true, - - // @option imperial: Boolean = True - // Whether to show the imperial scale line (mi/ft). - imperial: true - - // @option updateWhenIdle: Boolean = false - // If `true`, the control is updated on [`moveend`](#map-moveend), otherwise it's always up-to-date (updated on [`move`](#map-move)). - }, - - onAdd: function (map) { - var className = 'leaflet-control-scale', - container = create$1('div', className), - options = this.options; - - this._addScales(options, className + '-line', container); - - map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this); - map.whenReady(this._update, this); - - return container; - }, - - onRemove: function (map) { - map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this); - }, - - _addScales: function (options, className, container) { - if (options.metric) { - this._mScale = create$1('div', className, container); - } - if (options.imperial) { - this._iScale = create$1('div', className, container); - } - }, - - _update: function () { - var map = this._map, - y = map.getSize().y / 2; - - var maxMeters = map.distance( - map.containerPointToLatLng([0, y]), - map.containerPointToLatLng([this.options.maxWidth, y])); - - this._updateScales(maxMeters); - }, - - _updateScales: function (maxMeters) { - if (this.options.metric && maxMeters) { - this._updateMetric(maxMeters); - } - if (this.options.imperial && maxMeters) { - this._updateImperial(maxMeters); - } - }, - - _updateMetric: function (maxMeters) { - var meters = this._getRoundNum(maxMeters), - label = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km'; - - this._updateScale(this._mScale, label, meters / maxMeters); - }, - - _updateImperial: function (maxMeters) { - var maxFeet = maxMeters * 3.2808399, - maxMiles, miles, feet; - - if (maxFeet > 5280) { - maxMiles = maxFeet / 5280; - miles = this._getRoundNum(maxMiles); - this._updateScale(this._iScale, miles + ' mi', miles / maxMiles); - - } else { - feet = this._getRoundNum(maxFeet); - this._updateScale(this._iScale, feet + ' ft', feet / maxFeet); - } - }, - - _updateScale: function (scale, text, ratio) { - scale.style.width = Math.round(this.options.maxWidth * ratio) + 'px'; - scale.innerHTML = text; - }, - - _getRoundNum: function (num) { - var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1), - d = num / pow10; - - d = d >= 10 ? 10 : - d >= 5 ? 5 : - d >= 3 ? 3 : - d >= 2 ? 2 : 1; - - return pow10 * d; - } -}); - - -// @factory L.control.scale(options?: Control.Scale options) -// Creates an scale control with the given options. -var scale = function (options) { - return new Scale(options); -}; - +}; + +/* + * @class Control.Scale + * @aka L.Control.Scale + * @inherits Control + * + * A simple scale control that shows the scale of the current center of screen in metric (m/km) and imperial (mi/ft) systems. Extends `Control`. + * + * @example + * + * ```js + * L.control.scale().addTo(map); + * ``` + */ + +var Scale = Control.extend({ + // @section + // @aka Control.Scale options + options: { + position: 'bottomleft', + + // @option maxWidth: Number = 100 + // Maximum width of the control in pixels. The width is set dynamically to show round values (e.g. 100, 200, 500). + maxWidth: 100, + + // @option metric: Boolean = True + // Whether to show the metric scale line (m/km). + metric: true, + + // @option imperial: Boolean = True + // Whether to show the imperial scale line (mi/ft). + imperial: true + + // @option updateWhenIdle: Boolean = false + // If `true`, the control is updated on [`moveend`](#map-moveend), otherwise it's always up-to-date (updated on [`move`](#map-move)). + }, + + onAdd: function (map) { + var className = 'leaflet-control-scale', + container = create$1('div', className), + options = this.options; + + this._addScales(options, className + '-line', container); + + map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this); + map.whenReady(this._update, this); + + return container; + }, + + onRemove: function (map) { + map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this); + }, + + _addScales: function (options, className, container) { + if (options.metric) { + this._mScale = create$1('div', className, container); + } + if (options.imperial) { + this._iScale = create$1('div', className, container); + } + }, + + _update: function () { + var map = this._map, + y = map.getSize().y / 2; + + var maxMeters = map.distance( + map.containerPointToLatLng([0, y]), + map.containerPointToLatLng([this.options.maxWidth, y])); + + this._updateScales(maxMeters); + }, + + _updateScales: function (maxMeters) { + if (this.options.metric && maxMeters) { + this._updateMetric(maxMeters); + } + if (this.options.imperial && maxMeters) { + this._updateImperial(maxMeters); + } + }, + + _updateMetric: function (maxMeters) { + var meters = this._getRoundNum(maxMeters), + label = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km'; + + this._updateScale(this._mScale, label, meters / maxMeters); + }, + + _updateImperial: function (maxMeters) { + var maxFeet = maxMeters * 3.2808399, + maxMiles, miles, feet; + + if (maxFeet > 5280) { + maxMiles = maxFeet / 5280; + miles = this._getRoundNum(maxMiles); + this._updateScale(this._iScale, miles + ' mi', miles / maxMiles); + + } else { + feet = this._getRoundNum(maxFeet); + this._updateScale(this._iScale, feet + ' ft', feet / maxFeet); + } + }, + + _updateScale: function (scale, text, ratio) { + scale.style.width = Math.round(this.options.maxWidth * ratio) + 'px'; + scale.innerHTML = text; + }, + + _getRoundNum: function (num) { + var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1), + d = num / pow10; + + d = d >= 10 ? 10 : + d >= 5 ? 5 : + d >= 3 ? 3 : + d >= 2 ? 2 : 1; + + return pow10 * d; + } +}); + + +// @factory L.control.scale(options?: Control.Scale options) +// Creates an scale control with the given options. +var scale = function (options) { + return new Scale(options); +}; + /* * @class Control.Attribution * @aka L.Control.Attribution @@ -5629,76 +5629,76 @@ Map.addInitHook(function () { // Creates an attribution control. var attribution = function (options) { return new Attribution(options); -}; - -Control.Layers = Layers; -Control.Zoom = Zoom; -Control.Scale = Scale; -Control.Attribution = Attribution; - -control.layers = layers; -control.zoom = zoom; -control.scale = scale; -control.attribution = attribution; - -/* - L.Handler is a base class for handler classes that are used internally to inject - interaction features like dragging to classes like Map and Marker. -*/ - -// @class Handler -// @aka L.Handler -// Abstract class for map interaction handlers - -var Handler = Class.extend({ - initialize: function (map) { - this._map = map; - }, - - // @method enable(): this - // Enables the handler - enable: function () { - if (this._enabled) { return this; } - - this._enabled = true; - this.addHooks(); - return this; - }, - - // @method disable(): this - // Disables the handler - disable: function () { - if (!this._enabled) { return this; } - - this._enabled = false; - this.removeHooks(); - return this; - }, - - // @method enabled(): Boolean - // Returns `true` if the handler is enabled - enabled: function () { - return !!this._enabled; - } - - // @section Extension methods - // Classes inheriting from `Handler` must implement the two following methods: - // @method addHooks() - // Called when the handler is enabled, should add event hooks. - // @method removeHooks() - // Called when the handler is disabled, should remove the event hooks added previously. -}); - -// @section There is static function which can be called without instantiating L.Handler: -// @function addTo(map: Map, name: String): this -// Adds a new Handler to the given map with the given name. -Handler.addTo = function (map, name) { - map.addHandler(name, this); - return this; -}; - -var Mixin = {Events: Events}; - +}; + +Control.Layers = Layers; +Control.Zoom = Zoom; +Control.Scale = Scale; +Control.Attribution = Attribution; + +control.layers = layers; +control.zoom = zoom; +control.scale = scale; +control.attribution = attribution; + +/* + L.Handler is a base class for handler classes that are used internally to inject + interaction features like dragging to classes like Map and Marker. +*/ + +// @class Handler +// @aka L.Handler +// Abstract class for map interaction handlers + +var Handler = Class.extend({ + initialize: function (map) { + this._map = map; + }, + + // @method enable(): this + // Enables the handler + enable: function () { + if (this._enabled) { return this; } + + this._enabled = true; + this.addHooks(); + return this; + }, + + // @method disable(): this + // Disables the handler + disable: function () { + if (!this._enabled) { return this; } + + this._enabled = false; + this.removeHooks(); + return this; + }, + + // @method enabled(): Boolean + // Returns `true` if the handler is enabled + enabled: function () { + return !!this._enabled; + } + + // @section Extension methods + // Classes inheriting from `Handler` must implement the two following methods: + // @method addHooks() + // Called when the handler is enabled, should add event hooks. + // @method removeHooks() + // Called when the handler is disabled, should remove the event hooks added previously. +}); + +// @section There is static function which can be called without instantiating L.Handler: +// @function addTo(map: Map, name: String): this +// Adds a new Handler to the given map with the given name. +Handler.addTo = function (map, name) { + map.addHandler(name, this); + return this; +}; + +var Mixin = {Events: Events}; + /* * @class Draggable * @aka L.Draggable @@ -5927,8 +5927,8 @@ var Draggable = Evented.extend({ Draggable._dragging = false; } -}); - +}); + /* * @namespace LineUtil * @@ -6167,20 +6167,20 @@ function _flat(latlngs) { console.warn('Deprecated use of _flat, please use L.LineUtil.isFlat instead.'); return isFlat(latlngs); } - - -var LineUtil = (Object.freeze || Object)({ - simplify: simplify, - pointToSegmentDistance: pointToSegmentDistance, - closestPointOnSegment: closestPointOnSegment, - clipSegment: clipSegment, - _getEdgeIntersection: _getEdgeIntersection, - _getBitCode: _getBitCode, - _sqClosestPointOnSegment: _sqClosestPointOnSegment, - isFlat: isFlat, - _flat: _flat -}); - + + +var LineUtil = (Object.freeze || Object)({ + simplify: simplify, + pointToSegmentDistance: pointToSegmentDistance, + closestPointOnSegment: closestPointOnSegment, + clipSegment: clipSegment, + _getEdgeIntersection: _getEdgeIntersection, + _getBitCode: _getBitCode, + _sqClosestPointOnSegment: _sqClosestPointOnSegment, + isFlat: isFlat, + _flat: _flat +}); + /* * @namespace PolyUtil * Various utility functions for polygon geometries. @@ -6234,12 +6234,12 @@ function clipPolygon(points, bounds, round) { return points; } - - -var PolyUtil = (Object.freeze || Object)({ - clipPolygon: clipPolygon -}); - + + +var PolyUtil = (Object.freeze || Object)({ + clipPolygon: clipPolygon +}); + /* * @namespace Projection * @section @@ -6263,8 +6263,8 @@ var LonLat = { }, bounds: new Bounds([-180, -90], [180, 90]) -}; - +}; + /* * @namespace Projection * @projection L.Projection.Mercator @@ -6309,40 +6309,40 @@ var Mercator = { return new LatLng(phi * d, point.x * d / r); } -}; - -/* - * @class Projection - - * An object with methods for projecting geographical coordinates of the world onto - * a flat surface (and back). See [Map projection](http://en.wikipedia.org/wiki/Map_projection). - - * @property bounds: Bounds - * The bounds (specified in CRS units) where the projection is valid - - * @method project(latlng: LatLng): Point - * Projects geographical coordinates into a 2D point. - * Only accepts actual `L.LatLng` instances, not arrays. - - * @method unproject(point: Point): LatLng - * The inverse of `project`. Projects a 2D point into a geographical location. - * Only accepts actual `L.Point` instances, not arrays. - - * Note that the projection instances do not inherit from Leafet's `Class` object, - * and can't be instantiated. Also, new classes can't inherit from them, - * and methods can't be added to them with the `include` function. - - */ - - - - -var index = (Object.freeze || Object)({ - LonLat: LonLat, - Mercator: Mercator, - SphericalMercator: SphericalMercator -}); - +}; + +/* + * @class Projection + + * An object with methods for projecting geographical coordinates of the world onto + * a flat surface (and back). See [Map projection](http://en.wikipedia.org/wiki/Map_projection). + + * @property bounds: Bounds + * The bounds (specified in CRS units) where the projection is valid + + * @method project(latlng: LatLng): Point + * Projects geographical coordinates into a 2D point. + * Only accepts actual `L.LatLng` instances, not arrays. + + * @method unproject(point: Point): LatLng + * The inverse of `project`. Projects a 2D point into a geographical location. + * Only accepts actual `L.Point` instances, not arrays. + + * Note that the projection instances do not inherit from Leafet's `Class` object, + * and can't be instantiated. Also, new classes can't inherit from them, + * and methods can't be added to them with the `include` function. + + */ + + + + +var index = (Object.freeze || Object)({ + LonLat: LonLat, + Mercator: Mercator, + SphericalMercator: SphericalMercator +}); + /* * @namespace CRS * @crs L.CRS.EPSG3395 @@ -6357,8 +6357,8 @@ var EPSG3395 = extend({}, Earth, { var scale = 0.5 / (Math.PI * Mercator.R); return toTransformation(scale, 0.5, -scale, 0.5); }()) -}); - +}); + /* * @namespace CRS * @crs L.CRS.EPSG4326 @@ -6376,323 +6376,323 @@ var EPSG4326 = extend({}, Earth, { code: 'EPSG:4326', projection: LonLat, transformation: toTransformation(1 / 180, 1, -1 / 180, 0.5) -}); - -/* - * @namespace CRS - * @crs L.CRS.Simple - * - * A simple CRS that maps longitude and latitude into `x` and `y` directly. - * May be used for maps of flat surfaces (e.g. game maps). Note that the `y` - * axis should still be inverted (going from bottom to top). `distance()` returns - * simple euclidean distance. - */ - -var Simple = extend({}, CRS, { - projection: LonLat, - transformation: toTransformation(1, 0, -1, 0), - - scale: function (zoom) { - return Math.pow(2, zoom); - }, - - zoom: function (scale) { - return Math.log(scale) / Math.LN2; - }, - - distance: function (latlng1, latlng2) { - var dx = latlng2.lng - latlng1.lng, - dy = latlng2.lat - latlng1.lat; - - return Math.sqrt(dx * dx + dy * dy); - }, - - infinite: true -}); - -CRS.Earth = Earth; -CRS.EPSG3395 = EPSG3395; -CRS.EPSG3857 = EPSG3857; -CRS.EPSG900913 = EPSG900913; -CRS.EPSG4326 = EPSG4326; -CRS.Simple = Simple; - -/* - * @class Layer - * @inherits Evented - * @aka L.Layer - * @aka ILayer - * - * A set of methods from the Layer base class that all Leaflet layers use. - * Inherits all methods, options and events from `L.Evented`. - * - * @example - * - * ```js - * var layer = L.Marker(latlng).addTo(map); - * layer.addTo(map); - * layer.remove(); - * ``` - * - * @event add: Event - * Fired after the layer is added to a map - * - * @event remove: Event - * Fired after the layer is removed from a map - */ - - -var Layer = Evented.extend({ - - // Classes extending `L.Layer` will inherit the following options: - options: { - // @option pane: String = 'overlayPane' - // By default the layer will be added to the map's [overlay pane](#map-overlaypane). Overriding this option will cause the layer to be placed on another pane by default. - pane: 'overlayPane', - - // @option attribution: String = null - // String to be shown in the attribution control, describes the layer data, e.g. "© Mapbox". - attribution: null, - - bubblingMouseEvents: true - }, - - /* @section - * Classes extending `L.Layer` will inherit the following methods: - * - * @method addTo(map: Map|LayerGroup): this - * Adds the layer to the given map or layer group. - */ - addTo: function (map) { - map.addLayer(this); - return this; - }, - - // @method remove: this - // Removes the layer from the map it is currently active on. - remove: function () { - return this.removeFrom(this._map || this._mapToAdd); - }, - - // @method removeFrom(map: Map): this - // Removes the layer from the given map - removeFrom: function (obj) { - if (obj) { - obj.removeLayer(this); - } - return this; - }, - - // @method getPane(name? : String): HTMLElement - // Returns the `HTMLElement` representing the named pane on the map. If `name` is omitted, returns the pane for this layer. - getPane: function (name) { - return this._map.getPane(name ? (this.options[name] || name) : this.options.pane); - }, - - addInteractiveTarget: function (targetEl) { - this._map._targets[stamp(targetEl)] = this; - return this; - }, - - removeInteractiveTarget: function (targetEl) { - delete this._map._targets[stamp(targetEl)]; - return this; - }, - - // @method getAttribution: String - // Used by the `attribution control`, returns the [attribution option](#gridlayer-attribution). - getAttribution: function () { - return this.options.attribution; - }, - - _layerAdd: function (e) { - var map = e.target; - - // check in case layer gets added and then removed before the map is ready - if (!map.hasLayer(this)) { return; } - - this._map = map; - this._zoomAnimated = map._zoomAnimated; - - if (this.getEvents) { - var events = this.getEvents(); - map.on(events, this); - this.once('remove', function () { - map.off(events, this); - }, this); - } - - this.onAdd(map); - - if (this.getAttribution && map.attributionControl) { - map.attributionControl.addAttribution(this.getAttribution()); - } - - this.fire('add'); - map.fire('layeradd', {layer: this}); - } -}); - -/* @section Extension methods - * @uninheritable - * - * Every layer should extend from `L.Layer` and (re-)implement the following methods. - * - * @method onAdd(map: Map): this - * Should contain code that creates DOM elements for the layer, adds them to `map panes` where they should belong and puts listeners on relevant map events. Called on [`map.addLayer(layer)`](#map-addlayer). - * - * @method onRemove(map: Map): this - * Should contain all clean up code that removes the layer's elements from the DOM and removes listeners previously added in [`onAdd`](#layer-onadd). Called on [`map.removeLayer(layer)`](#map-removelayer). - * - * @method getEvents(): Object - * This optional method should return an object like `{ viewreset: this._reset }` for [`addEventListener`](#evented-addeventlistener). The event handlers in this object will be automatically added and removed from the map with your layer. - * - * @method getAttribution(): String - * This optional method should return a string containing HTML to be shown on the `Attribution control` whenever the layer is visible. - * - * @method beforeAdd(map: Map): this - * Optional method. Called on [`map.addLayer(layer)`](#map-addlayer), before the layer is added to the map, before events are initialized, without waiting until the map is in a usable state. Use for early initialization only. - */ - - -/* @namespace Map - * @section Layer events - * - * @event layeradd: LayerEvent - * Fired when a new layer is added to the map. - * - * @event layerremove: LayerEvent - * Fired when some layer is removed from the map - * - * @section Methods for Layers and Controls - */ -Map.include({ - // @method addLayer(layer: Layer): this - // Adds the given layer to the map - addLayer: function (layer) { - if (!layer._layerAdd) { - throw new Error('The provided object is not a Layer.'); - } - - var id = stamp(layer); - if (this._layers[id]) { return this; } - this._layers[id] = layer; - - layer._mapToAdd = this; - - if (layer.beforeAdd) { - layer.beforeAdd(this); - } - - this.whenReady(layer._layerAdd, layer); - - return this; - }, - - // @method removeLayer(layer: Layer): this - // Removes the given layer from the map. - removeLayer: function (layer) { - var id = stamp(layer); - - if (!this._layers[id]) { return this; } - - if (this._loaded) { - layer.onRemove(this); - } - - if (layer.getAttribution && this.attributionControl) { - this.attributionControl.removeAttribution(layer.getAttribution()); - } - - delete this._layers[id]; - - if (this._loaded) { - this.fire('layerremove', {layer: layer}); - layer.fire('remove'); - } - - layer._map = layer._mapToAdd = null; - - return this; - }, - - // @method hasLayer(layer: Layer): Boolean - // Returns `true` if the given layer is currently added to the map - hasLayer: function (layer) { - return !!layer && (stamp(layer) in this._layers); - }, - - /* @method eachLayer(fn: Function, context?: Object): this - * Iterates over the layers of the map, optionally specifying context of the iterator function. - * ``` - * map.eachLayer(function(layer){ - * layer.bindPopup('Hello'); - * }); - * ``` - */ - eachLayer: function (method, context) { - for (var i in this._layers) { - method.call(context, this._layers[i]); - } - return this; - }, - - _addLayers: function (layers) { - layers = layers ? (isArray(layers) ? layers : [layers]) : []; - - for (var i = 0, len = layers.length; i < len; i++) { - this.addLayer(layers[i]); - } - }, - - _addZoomLimit: function (layer) { - if (isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom)) { - this._zoomBoundLayers[stamp(layer)] = layer; - this._updateZoomLevels(); - } - }, - - _removeZoomLimit: function (layer) { - var id = stamp(layer); - - if (this._zoomBoundLayers[id]) { - delete this._zoomBoundLayers[id]; - this._updateZoomLevels(); - } - }, - - _updateZoomLevels: function () { - var minZoom = Infinity, - maxZoom = -Infinity, - oldZoomSpan = this._getZoomSpan(); - - for (var i in this._zoomBoundLayers) { - var options = this._zoomBoundLayers[i].options; - - minZoom = options.minZoom === undefined ? minZoom : Math.min(minZoom, options.minZoom); - maxZoom = options.maxZoom === undefined ? maxZoom : Math.max(maxZoom, options.maxZoom); - } - - this._layersMaxZoom = maxZoom === -Infinity ? undefined : maxZoom; - this._layersMinZoom = minZoom === Infinity ? undefined : minZoom; - - // @section Map state change events - // @event zoomlevelschange: Event - // Fired when the number of zoomlevels on the map is changed due - // to adding or removing a layer. - if (oldZoomSpan !== this._getZoomSpan()) { - this.fire('zoomlevelschange'); - } - - if (this.options.maxZoom === undefined && this._layersMaxZoom && this.getZoom() > this._layersMaxZoom) { - this.setZoom(this._layersMaxZoom); - } - if (this.options.minZoom === undefined && this._layersMinZoom && this.getZoom() < this._layersMinZoom) { - this.setZoom(this._layersMinZoom); - } - } -}); - +}); + +/* + * @namespace CRS + * @crs L.CRS.Simple + * + * A simple CRS that maps longitude and latitude into `x` and `y` directly. + * May be used for maps of flat surfaces (e.g. game maps). Note that the `y` + * axis should still be inverted (going from bottom to top). `distance()` returns + * simple euclidean distance. + */ + +var Simple = extend({}, CRS, { + projection: LonLat, + transformation: toTransformation(1, 0, -1, 0), + + scale: function (zoom) { + return Math.pow(2, zoom); + }, + + zoom: function (scale) { + return Math.log(scale) / Math.LN2; + }, + + distance: function (latlng1, latlng2) { + var dx = latlng2.lng - latlng1.lng, + dy = latlng2.lat - latlng1.lat; + + return Math.sqrt(dx * dx + dy * dy); + }, + + infinite: true +}); + +CRS.Earth = Earth; +CRS.EPSG3395 = EPSG3395; +CRS.EPSG3857 = EPSG3857; +CRS.EPSG900913 = EPSG900913; +CRS.EPSG4326 = EPSG4326; +CRS.Simple = Simple; + +/* + * @class Layer + * @inherits Evented + * @aka L.Layer + * @aka ILayer + * + * A set of methods from the Layer base class that all Leaflet layers use. + * Inherits all methods, options and events from `L.Evented`. + * + * @example + * + * ```js + * var layer = L.Marker(latlng).addTo(map); + * layer.addTo(map); + * layer.remove(); + * ``` + * + * @event add: Event + * Fired after the layer is added to a map + * + * @event remove: Event + * Fired after the layer is removed from a map + */ + + +var Layer = Evented.extend({ + + // Classes extending `L.Layer` will inherit the following options: + options: { + // @option pane: String = 'overlayPane' + // By default the layer will be added to the map's [overlay pane](#map-overlaypane). Overriding this option will cause the layer to be placed on another pane by default. + pane: 'overlayPane', + + // @option attribution: String = null + // String to be shown in the attribution control, describes the layer data, e.g. "© Mapbox". + attribution: null, + + bubblingMouseEvents: true + }, + + /* @section + * Classes extending `L.Layer` will inherit the following methods: + * + * @method addTo(map: Map|LayerGroup): this + * Adds the layer to the given map or layer group. + */ + addTo: function (map) { + map.addLayer(this); + return this; + }, + + // @method remove: this + // Removes the layer from the map it is currently active on. + remove: function () { + return this.removeFrom(this._map || this._mapToAdd); + }, + + // @method removeFrom(map: Map): this + // Removes the layer from the given map + removeFrom: function (obj) { + if (obj) { + obj.removeLayer(this); + } + return this; + }, + + // @method getPane(name? : String): HTMLElement + // Returns the `HTMLElement` representing the named pane on the map. If `name` is omitted, returns the pane for this layer. + getPane: function (name) { + return this._map.getPane(name ? (this.options[name] || name) : this.options.pane); + }, + + addInteractiveTarget: function (targetEl) { + this._map._targets[stamp(targetEl)] = this; + return this; + }, + + removeInteractiveTarget: function (targetEl) { + delete this._map._targets[stamp(targetEl)]; + return this; + }, + + // @method getAttribution: String + // Used by the `attribution control`, returns the [attribution option](#gridlayer-attribution). + getAttribution: function () { + return this.options.attribution; + }, + + _layerAdd: function (e) { + var map = e.target; + + // check in case layer gets added and then removed before the map is ready + if (!map.hasLayer(this)) { return; } + + this._map = map; + this._zoomAnimated = map._zoomAnimated; + + if (this.getEvents) { + var events = this.getEvents(); + map.on(events, this); + this.once('remove', function () { + map.off(events, this); + }, this); + } + + this.onAdd(map); + + if (this.getAttribution && map.attributionControl) { + map.attributionControl.addAttribution(this.getAttribution()); + } + + this.fire('add'); + map.fire('layeradd', {layer: this}); + } +}); + +/* @section Extension methods + * @uninheritable + * + * Every layer should extend from `L.Layer` and (re-)implement the following methods. + * + * @method onAdd(map: Map): this + * Should contain code that creates DOM elements for the layer, adds them to `map panes` where they should belong and puts listeners on relevant map events. Called on [`map.addLayer(layer)`](#map-addlayer). + * + * @method onRemove(map: Map): this + * Should contain all clean up code that removes the layer's elements from the DOM and removes listeners previously added in [`onAdd`](#layer-onadd). Called on [`map.removeLayer(layer)`](#map-removelayer). + * + * @method getEvents(): Object + * This optional method should return an object like `{ viewreset: this._reset }` for [`addEventListener`](#evented-addeventlistener). The event handlers in this object will be automatically added and removed from the map with your layer. + * + * @method getAttribution(): String + * This optional method should return a string containing HTML to be shown on the `Attribution control` whenever the layer is visible. + * + * @method beforeAdd(map: Map): this + * Optional method. Called on [`map.addLayer(layer)`](#map-addlayer), before the layer is added to the map, before events are initialized, without waiting until the map is in a usable state. Use for early initialization only. + */ + + +/* @namespace Map + * @section Layer events + * + * @event layeradd: LayerEvent + * Fired when a new layer is added to the map. + * + * @event layerremove: LayerEvent + * Fired when some layer is removed from the map + * + * @section Methods for Layers and Controls + */ +Map.include({ + // @method addLayer(layer: Layer): this + // Adds the given layer to the map + addLayer: function (layer) { + if (!layer._layerAdd) { + throw new Error('The provided object is not a Layer.'); + } + + var id = stamp(layer); + if (this._layers[id]) { return this; } + this._layers[id] = layer; + + layer._mapToAdd = this; + + if (layer.beforeAdd) { + layer.beforeAdd(this); + } + + this.whenReady(layer._layerAdd, layer); + + return this; + }, + + // @method removeLayer(layer: Layer): this + // Removes the given layer from the map. + removeLayer: function (layer) { + var id = stamp(layer); + + if (!this._layers[id]) { return this; } + + if (this._loaded) { + layer.onRemove(this); + } + + if (layer.getAttribution && this.attributionControl) { + this.attributionControl.removeAttribution(layer.getAttribution()); + } + + delete this._layers[id]; + + if (this._loaded) { + this.fire('layerremove', {layer: layer}); + layer.fire('remove'); + } + + layer._map = layer._mapToAdd = null; + + return this; + }, + + // @method hasLayer(layer: Layer): Boolean + // Returns `true` if the given layer is currently added to the map + hasLayer: function (layer) { + return !!layer && (stamp(layer) in this._layers); + }, + + /* @method eachLayer(fn: Function, context?: Object): this + * Iterates over the layers of the map, optionally specifying context of the iterator function. + * ``` + * map.eachLayer(function(layer){ + * layer.bindPopup('Hello'); + * }); + * ``` + */ + eachLayer: function (method, context) { + for (var i in this._layers) { + method.call(context, this._layers[i]); + } + return this; + }, + + _addLayers: function (layers) { + layers = layers ? (isArray(layers) ? layers : [layers]) : []; + + for (var i = 0, len = layers.length; i < len; i++) { + this.addLayer(layers[i]); + } + }, + + _addZoomLimit: function (layer) { + if (isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom)) { + this._zoomBoundLayers[stamp(layer)] = layer; + this._updateZoomLevels(); + } + }, + + _removeZoomLimit: function (layer) { + var id = stamp(layer); + + if (this._zoomBoundLayers[id]) { + delete this._zoomBoundLayers[id]; + this._updateZoomLevels(); + } + }, + + _updateZoomLevels: function () { + var minZoom = Infinity, + maxZoom = -Infinity, + oldZoomSpan = this._getZoomSpan(); + + for (var i in this._zoomBoundLayers) { + var options = this._zoomBoundLayers[i].options; + + minZoom = options.minZoom === undefined ? minZoom : Math.min(minZoom, options.minZoom); + maxZoom = options.maxZoom === undefined ? maxZoom : Math.max(maxZoom, options.maxZoom); + } + + this._layersMaxZoom = maxZoom === -Infinity ? undefined : maxZoom; + this._layersMinZoom = minZoom === Infinity ? undefined : minZoom; + + // @section Map state change events + // @event zoomlevelschange: Event + // Fired when the number of zoomlevels on the map is changed due + // to adding or removing a layer. + if (oldZoomSpan !== this._getZoomSpan()) { + this.fire('zoomlevelschange'); + } + + if (this.options.maxZoom === undefined && this._layersMaxZoom && this.getZoom() > this._layersMaxZoom) { + this.setZoom(this._layersMaxZoom); + } + if (this.options.minZoom === undefined && this._layersMinZoom && this.getZoom() < this._layersMinZoom) { + this.setZoom(this._layersMinZoom); + } + } +}); + /* * @class LayerGroup * @aka L.LayerGroup @@ -6846,8 +6846,8 @@ var LayerGroup = Layer.extend({ // Create a layer group, optionally given an initial set of layers and an `options` object. var layerGroup = function (layers, options) { return new LayerGroup(layers, options); -}; - +}; + /* * @class FeatureGroup * @aka L.FeatureGroup @@ -6938,8 +6938,8 @@ var FeatureGroup = LayerGroup.extend({ // Create a feature group, optionally given an initial set of layers. var featureGroup = function (layers) { return new FeatureGroup(layers); -}; - +}; + /* * @class Icon * @aka L.Icon @@ -7089,218 +7089,218 @@ var Icon = Class.extend({ // Creates an icon instance with the given options. function icon(options) { return new Icon(options); -} - -/* - * @miniclass Icon.Default (Icon) - * @aka L.Icon.Default - * @section - * - * A trivial subclass of `Icon`, represents the icon to use in `Marker`s when - * no icon is specified. Points to the blue marker image distributed with Leaflet - * releases. - * - * In order to customize the default icon, just change the properties of `L.Icon.Default.prototype.options` - * (which is a set of `Icon options`). - * - * If you want to _completely_ replace the default icon, override the - * `L.Marker.prototype.options.icon` with your own icon instead. - */ - -var IconDefault = Icon.extend({ - - options: { - iconUrl: 'marker-icon.png', - iconRetinaUrl: 'marker-icon-2x.png', - shadowUrl: 'marker-shadow.png', - iconSize: [25, 41], - iconAnchor: [12, 41], - popupAnchor: [1, -34], - tooltipAnchor: [16, -28], - shadowSize: [41, 41] - }, - - _getIconUrl: function (name) { - if (!IconDefault.imagePath) { // Deprecated, backwards-compatibility only - IconDefault.imagePath = this._detectIconPath(); - } - - // @option imagePath: String - // `Icon.Default` will try to auto-detect the location of the - // blue icon images. If you are placing these images in a non-standard - // way, set this option to point to the right path. - return (this.options.imagePath || IconDefault.imagePath) + Icon.prototype._getIconUrl.call(this, name); - }, - - _detectIconPath: function () { - var el = create$1('div', 'leaflet-default-icon-path', document.body); - var path = getStyle(el, 'background-image') || - getStyle(el, 'backgroundImage'); // IE8 - - document.body.removeChild(el); - - if (path === null || path.indexOf('url') !== 0) { - path = ''; - } else { - path = path.replace(/^url\(["']?/, '').replace(/marker-icon\.png["']?\)$/, ''); - } - - return path; - } -}); - -/* - * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable. - */ - - -/* @namespace Marker - * @section Interaction handlers - * - * Interaction handlers are properties of a marker instance that allow you to control interaction behavior in runtime, enabling or disabling certain features such as dragging (see `Handler` methods). Example: - * - * ```js - * marker.dragging.disable(); - * ``` - * - * @property dragging: Handler - * Marker dragging handler (by both mouse and touch). Only valid when the marker is on the map (Otherwise set [`marker.options.draggable`](#marker-draggable)). - */ - -var MarkerDrag = Handler.extend({ - initialize: function (marker) { - this._marker = marker; - }, - - addHooks: function () { - var icon = this._marker._icon; - - if (!this._draggable) { - this._draggable = new Draggable(icon, icon, true); - } - - this._draggable.on({ - dragstart: this._onDragStart, - predrag: this._onPreDrag, - drag: this._onDrag, - dragend: this._onDragEnd - }, this).enable(); - - addClass(icon, 'leaflet-marker-draggable'); - }, - - removeHooks: function () { - this._draggable.off({ - dragstart: this._onDragStart, - predrag: this._onPreDrag, - drag: this._onDrag, - dragend: this._onDragEnd - }, this).disable(); - - if (this._marker._icon) { - removeClass(this._marker._icon, 'leaflet-marker-draggable'); - } - }, - - moved: function () { - return this._draggable && this._draggable._moved; - }, - - _adjustPan: function (e) { - var marker = this._marker, - map = marker._map, - speed = this._marker.options.autoPanSpeed, - padding = this._marker.options.autoPanPadding, - iconPos = getPosition(marker._icon), - bounds = map.getPixelBounds(), - origin = map.getPixelOrigin(); - - var panBounds = toBounds( - bounds.min._subtract(origin).add(padding), - bounds.max._subtract(origin).subtract(padding) - ); - - if (!panBounds.contains(iconPos)) { - // Compute incremental movement - var movement = toPoint( - (Math.max(panBounds.max.x, iconPos.x) - panBounds.max.x) / (bounds.max.x - panBounds.max.x) - - (Math.min(panBounds.min.x, iconPos.x) - panBounds.min.x) / (bounds.min.x - panBounds.min.x), - - (Math.max(panBounds.max.y, iconPos.y) - panBounds.max.y) / (bounds.max.y - panBounds.max.y) - - (Math.min(panBounds.min.y, iconPos.y) - panBounds.min.y) / (bounds.min.y - panBounds.min.y) - ).multiplyBy(speed); - - map.panBy(movement, {animate: false}); - - this._draggable._newPos._add(movement); - this._draggable._startPos._add(movement); - - setPosition(marker._icon, this._draggable._newPos); - this._onDrag(e); - - this._panRequest = requestAnimFrame(this._adjustPan.bind(this, e)); - } - }, - - _onDragStart: function () { - // @section Dragging events - // @event dragstart: Event - // Fired when the user starts dragging the marker. - - // @event movestart: Event - // Fired when the marker starts moving (because of dragging). - - this._oldLatLng = this._marker.getLatLng(); - this._marker - .closePopup() - .fire('movestart') - .fire('dragstart'); - }, - - _onPreDrag: function (e) { - if (this._marker.options.autoPan) { - cancelAnimFrame(this._panRequest); - this._panRequest = requestAnimFrame(this._adjustPan.bind(this, e)); - } - }, - - _onDrag: function (e) { - var marker = this._marker, - shadow = marker._shadow, - iconPos = getPosition(marker._icon), - latlng = marker._map.layerPointToLatLng(iconPos); - - // update shadow position - if (shadow) { - setPosition(shadow, iconPos); - } - - marker._latlng = latlng; - e.latlng = latlng; - e.oldLatLng = this._oldLatLng; - - // @event drag: Event - // Fired repeatedly while the user drags the marker. - marker - .fire('move', e) - .fire('drag', e); - }, - - _onDragEnd: function (e) { - // @event dragend: DragEndEvent - // Fired when the user stops dragging the marker. - - cancelAnimFrame(this._panRequest); - - // @event moveend: Event - // Fired when the marker stops moving (because of dragging). - delete this._oldLatLng; - this._marker - .fire('moveend') - .fire('dragend', e); - } -}); - +} + +/* + * @miniclass Icon.Default (Icon) + * @aka L.Icon.Default + * @section + * + * A trivial subclass of `Icon`, represents the icon to use in `Marker`s when + * no icon is specified. Points to the blue marker image distributed with Leaflet + * releases. + * + * In order to customize the default icon, just change the properties of `L.Icon.Default.prototype.options` + * (which is a set of `Icon options`). + * + * If you want to _completely_ replace the default icon, override the + * `L.Marker.prototype.options.icon` with your own icon instead. + */ + +var IconDefault = Icon.extend({ + + options: { + iconUrl: 'marker-icon.png', + iconRetinaUrl: 'marker-icon-2x.png', + shadowUrl: 'marker-shadow.png', + iconSize: [25, 41], + iconAnchor: [12, 41], + popupAnchor: [1, -34], + tooltipAnchor: [16, -28], + shadowSize: [41, 41] + }, + + _getIconUrl: function (name) { + if (!IconDefault.imagePath) { // Deprecated, backwards-compatibility only + IconDefault.imagePath = this._detectIconPath(); + } + + // @option imagePath: String + // `Icon.Default` will try to auto-detect the location of the + // blue icon images. If you are placing these images in a non-standard + // way, set this option to point to the right path. + return (this.options.imagePath || IconDefault.imagePath) + Icon.prototype._getIconUrl.call(this, name); + }, + + _detectIconPath: function () { + var el = create$1('div', 'leaflet-default-icon-path', document.body); + var path = getStyle(el, 'background-image') || + getStyle(el, 'backgroundImage'); // IE8 + + document.body.removeChild(el); + + if (path === null || path.indexOf('url') !== 0) { + path = ''; + } else { + path = path.replace(/^url\(["']?/, '').replace(/marker-icon\.png["']?\)$/, ''); + } + + return path; + } +}); + +/* + * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable. + */ + + +/* @namespace Marker + * @section Interaction handlers + * + * Interaction handlers are properties of a marker instance that allow you to control interaction behavior in runtime, enabling or disabling certain features such as dragging (see `Handler` methods). Example: + * + * ```js + * marker.dragging.disable(); + * ``` + * + * @property dragging: Handler + * Marker dragging handler (by both mouse and touch). Only valid when the marker is on the map (Otherwise set [`marker.options.draggable`](#marker-draggable)). + */ + +var MarkerDrag = Handler.extend({ + initialize: function (marker) { + this._marker = marker; + }, + + addHooks: function () { + var icon = this._marker._icon; + + if (!this._draggable) { + this._draggable = new Draggable(icon, icon, true); + } + + this._draggable.on({ + dragstart: this._onDragStart, + predrag: this._onPreDrag, + drag: this._onDrag, + dragend: this._onDragEnd + }, this).enable(); + + addClass(icon, 'leaflet-marker-draggable'); + }, + + removeHooks: function () { + this._draggable.off({ + dragstart: this._onDragStart, + predrag: this._onPreDrag, + drag: this._onDrag, + dragend: this._onDragEnd + }, this).disable(); + + if (this._marker._icon) { + removeClass(this._marker._icon, 'leaflet-marker-draggable'); + } + }, + + moved: function () { + return this._draggable && this._draggable._moved; + }, + + _adjustPan: function (e) { + var marker = this._marker, + map = marker._map, + speed = this._marker.options.autoPanSpeed, + padding = this._marker.options.autoPanPadding, + iconPos = getPosition(marker._icon), + bounds = map.getPixelBounds(), + origin = map.getPixelOrigin(); + + var panBounds = toBounds( + bounds.min._subtract(origin).add(padding), + bounds.max._subtract(origin).subtract(padding) + ); + + if (!panBounds.contains(iconPos)) { + // Compute incremental movement + var movement = toPoint( + (Math.max(panBounds.max.x, iconPos.x) - panBounds.max.x) / (bounds.max.x - panBounds.max.x) - + (Math.min(panBounds.min.x, iconPos.x) - panBounds.min.x) / (bounds.min.x - panBounds.min.x), + + (Math.max(panBounds.max.y, iconPos.y) - panBounds.max.y) / (bounds.max.y - panBounds.max.y) - + (Math.min(panBounds.min.y, iconPos.y) - panBounds.min.y) / (bounds.min.y - panBounds.min.y) + ).multiplyBy(speed); + + map.panBy(movement, {animate: false}); + + this._draggable._newPos._add(movement); + this._draggable._startPos._add(movement); + + setPosition(marker._icon, this._draggable._newPos); + this._onDrag(e); + + this._panRequest = requestAnimFrame(this._adjustPan.bind(this, e)); + } + }, + + _onDragStart: function () { + // @section Dragging events + // @event dragstart: Event + // Fired when the user starts dragging the marker. + + // @event movestart: Event + // Fired when the marker starts moving (because of dragging). + + this._oldLatLng = this._marker.getLatLng(); + this._marker + .closePopup() + .fire('movestart') + .fire('dragstart'); + }, + + _onPreDrag: function (e) { + if (this._marker.options.autoPan) { + cancelAnimFrame(this._panRequest); + this._panRequest = requestAnimFrame(this._adjustPan.bind(this, e)); + } + }, + + _onDrag: function (e) { + var marker = this._marker, + shadow = marker._shadow, + iconPos = getPosition(marker._icon), + latlng = marker._map.layerPointToLatLng(iconPos); + + // update shadow position + if (shadow) { + setPosition(shadow, iconPos); + } + + marker._latlng = latlng; + e.latlng = latlng; + e.oldLatLng = this._oldLatLng; + + // @event drag: Event + // Fired repeatedly while the user drags the marker. + marker + .fire('move', e) + .fire('drag', e); + }, + + _onDragEnd: function (e) { + // @event dragend: DragEndEvent + // Fired when the user stops dragging the marker. + + cancelAnimFrame(this._panRequest); + + // @event moveend: Event + // Fired when the marker stops moving (because of dragging). + delete this._oldLatLng; + this._marker + .fire('moveend') + .fire('dragend', e); + } +}); + /* * @class Marker * @inherits Interactive layer @@ -7662,855 +7662,855 @@ var Marker = Layer.extend({ // Instantiates a Marker object given a geographical point and optionally an options object. function marker(latlng, options) { return new Marker(latlng, options); -} - -/* - * @class Path - * @aka L.Path - * @inherits Interactive layer - * - * An abstract class that contains options and constants shared between vector - * overlays (Polygon, Polyline, Circle). Do not use it directly. Extends `Layer`. - */ - -var Path = Layer.extend({ - - // @section - // @aka Path options - options: { - // @option stroke: Boolean = true - // Whether to draw stroke along the path. Set it to `false` to disable borders on polygons or circles. - stroke: true, - - // @option color: String = '#3388ff' - // Stroke color - color: '#3388ff', - - // @option weight: Number = 3 - // Stroke width in pixels - weight: 3, - - // @option opacity: Number = 1.0 - // Stroke opacity - opacity: 1, - - // @option lineCap: String= 'round' - // A string that defines [shape to be used at the end](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linecap) of the stroke. - lineCap: 'round', - - // @option lineJoin: String = 'round' - // A string that defines [shape to be used at the corners](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linejoin) of the stroke. - lineJoin: 'round', - - // @option dashArray: String = null - // A string that defines the stroke [dash pattern](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dasharray). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility). - dashArray: null, - - // @option dashOffset: String = null - // A string that defines the [distance into the dash pattern to start the dash](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dashoffset). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility). - dashOffset: null, - - // @option fill: Boolean = depends - // Whether to fill the path with color. Set it to `false` to disable filling on polygons or circles. - fill: false, - - // @option fillColor: String = * - // Fill color. Defaults to the value of the [`color`](#path-color) option - fillColor: null, - - // @option fillOpacity: Number = 0.2 - // Fill opacity. - fillOpacity: 0.2, - - // @option fillRule: String = 'evenodd' - // A string that defines [how the inside of a shape](https://developer.mozilla.org/docs/Web/SVG/Attribute/fill-rule) is determined. - fillRule: 'evenodd', - - // className: '', - - // Option inherited from "Interactive layer" abstract class - interactive: true, - - // @option bubblingMouseEvents: Boolean = true - // When `true`, a mouse event on this path will trigger the same event on the map - // (unless [`L.DomEvent.stopPropagation`](#domevent-stoppropagation) is used). - bubblingMouseEvents: true - }, - - beforeAdd: function (map) { - // Renderer is set here because we need to call renderer.getEvents - // before this.getEvents. - this._renderer = map.getRenderer(this); - }, - - onAdd: function () { - this._renderer._initPath(this); - this._reset(); - this._renderer._addPath(this); - }, - - onRemove: function () { - this._renderer._removePath(this); - }, - - // @method redraw(): this - // Redraws the layer. Sometimes useful after you changed the coordinates that the path uses. - redraw: function () { - if (this._map) { - this._renderer._updatePath(this); - } - return this; - }, - - // @method setStyle(style: Path options): this - // Changes the appearance of a Path based on the options in the `Path options` object. - setStyle: function (style) { - setOptions(this, style); - if (this._renderer) { - this._renderer._updateStyle(this); - } - return this; - }, - - // @method bringToFront(): this - // Brings the layer to the top of all path layers. - bringToFront: function () { - if (this._renderer) { - this._renderer._bringToFront(this); - } - return this; - }, - - // @method bringToBack(): this - // Brings the layer to the bottom of all path layers. - bringToBack: function () { - if (this._renderer) { - this._renderer._bringToBack(this); - } - return this; - }, - - getElement: function () { - return this._path; - }, - - _reset: function () { - // defined in child classes - this._project(); - this._update(); - }, - - _clickTolerance: function () { - // used when doing hit detection for Canvas layers - return (this.options.stroke ? this.options.weight / 2 : 0) + this._renderer.options.tolerance; - } -}); - -/* - * @class CircleMarker - * @aka L.CircleMarker - * @inherits Path - * - * A circle of a fixed size with radius specified in pixels. Extends `Path`. - */ - -var CircleMarker = Path.extend({ - - // @section - // @aka CircleMarker options - options: { - fill: true, - - // @option radius: Number = 10 - // Radius of the circle marker, in pixels - radius: 10 - }, - - initialize: function (latlng, options) { - setOptions(this, options); - this._latlng = toLatLng(latlng); - this._radius = this.options.radius; - }, - - // @method setLatLng(latLng: LatLng): this - // Sets the position of a circle marker to a new location. - setLatLng: function (latlng) { - this._latlng = toLatLng(latlng); - this.redraw(); - return this.fire('move', {latlng: this._latlng}); - }, - - // @method getLatLng(): LatLng - // Returns the current geographical position of the circle marker - getLatLng: function () { - return this._latlng; - }, - - // @method setRadius(radius: Number): this - // Sets the radius of a circle marker. Units are in pixels. - setRadius: function (radius) { - this.options.radius = this._radius = radius; - return this.redraw(); - }, - - // @method getRadius(): Number - // Returns the current radius of the circle - getRadius: function () { - return this._radius; - }, - - setStyle : function (options) { - var radius = options && options.radius || this._radius; - Path.prototype.setStyle.call(this, options); - this.setRadius(radius); - return this; - }, - - _project: function () { - this._point = this._map.latLngToLayerPoint(this._latlng); - this._updateBounds(); - }, - - _updateBounds: function () { - var r = this._radius, - r2 = this._radiusY || r, - w = this._clickTolerance(), - p = [r + w, r2 + w]; - this._pxBounds = new Bounds(this._point.subtract(p), this._point.add(p)); - }, - - _update: function () { - if (this._map) { - this._updatePath(); - } - }, - - _updatePath: function () { - this._renderer._updateCircle(this); - }, - - _empty: function () { - return this._radius && !this._renderer._bounds.intersects(this._pxBounds); - }, - - // Needed by the `Canvas` renderer for interactivity - _containsPoint: function (p) { - return p.distanceTo(this._point) <= this._radius + this._clickTolerance(); - } -}); - - -// @factory L.circleMarker(latlng: LatLng, options?: CircleMarker options) -// Instantiates a circle marker object given a geographical point, and an optional options object. -function circleMarker(latlng, options) { - return new CircleMarker(latlng, options); -} - -/* - * @class Circle - * @aka L.Circle - * @inherits CircleMarker - * - * A class for drawing circle overlays on a map. Extends `CircleMarker`. - * - * It's an approximation and starts to diverge from a real circle closer to poles (due to projection distortion). - * - * @example - * - * ```js - * L.circle([50.5, 30.5], {radius: 200}).addTo(map); - * ``` - */ - -var Circle = CircleMarker.extend({ - - initialize: function (latlng, options, legacyOptions) { - if (typeof options === 'number') { - // Backwards compatibility with 0.7.x factory (latlng, radius, options?) - options = extend({}, legacyOptions, {radius: options}); - } - setOptions(this, options); - this._latlng = toLatLng(latlng); - - if (isNaN(this.options.radius)) { throw new Error('Circle radius cannot be NaN'); } - - // @section - // @aka Circle options - // @option radius: Number; Radius of the circle, in meters. - this._mRadius = this.options.radius; - }, - - // @method setRadius(radius: Number): this - // Sets the radius of a circle. Units are in meters. - setRadius: function (radius) { - this._mRadius = radius; - return this.redraw(); - }, - - // @method getRadius(): Number - // Returns the current radius of a circle. Units are in meters. - getRadius: function () { - return this._mRadius; - }, - - // @method getBounds(): LatLngBounds - // Returns the `LatLngBounds` of the path. - getBounds: function () { - var half = [this._radius, this._radiusY || this._radius]; - - return new LatLngBounds( - this._map.layerPointToLatLng(this._point.subtract(half)), - this._map.layerPointToLatLng(this._point.add(half))); - }, - - setStyle: Path.prototype.setStyle, - - _project: function () { - - var lng = this._latlng.lng, - lat = this._latlng.lat, - map = this._map, - crs = map.options.crs; - - if (crs.distance === Earth.distance) { - var d = Math.PI / 180, - latR = (this._mRadius / Earth.R) / d, - top = map.project([lat + latR, lng]), - bottom = map.project([lat - latR, lng]), - p = top.add(bottom).divideBy(2), - lat2 = map.unproject(p).lat, - lngR = Math.acos((Math.cos(latR * d) - Math.sin(lat * d) * Math.sin(lat2 * d)) / - (Math.cos(lat * d) * Math.cos(lat2 * d))) / d; - - if (isNaN(lngR) || lngR === 0) { - lngR = latR / Math.cos(Math.PI / 180 * lat); // Fallback for edge case, #2425 - } - - this._point = p.subtract(map.getPixelOrigin()); - this._radius = isNaN(lngR) ? 0 : p.x - map.project([lat2, lng - lngR]).x; - this._radiusY = p.y - top.y; - - } else { - var latlng2 = crs.unproject(crs.project(this._latlng).subtract([this._mRadius, 0])); - - this._point = map.latLngToLayerPoint(this._latlng); - this._radius = this._point.x - map.latLngToLayerPoint(latlng2).x; - } - - this._updateBounds(); - } -}); - -// @factory L.circle(latlng: LatLng, options?: Circle options) -// Instantiates a circle object given a geographical point, and an options object -// which contains the circle radius. -// @alternative -// @factory L.circle(latlng: LatLng, radius: Number, options?: Circle options) -// Obsolete way of instantiating a circle, for compatibility with 0.7.x code. -// Do not use in new applications or plugins. -function circle(latlng, options, legacyOptions) { - return new Circle(latlng, options, legacyOptions); -} - -/* - * @class Polyline - * @aka L.Polyline - * @inherits Path - * - * A class for drawing polyline overlays on a map. Extends `Path`. - * - * @example - * - * ```js - * // create a red polyline from an array of LatLng points - * var latlngs = [ - * [45.51, -122.68], - * [37.77, -122.43], - * [34.04, -118.2] - * ]; - * - * var polyline = L.polyline(latlngs, {color: 'red'}).addTo(map); - * - * // zoom the map to the polyline - * map.fitBounds(polyline.getBounds()); - * ``` - * - * You can also pass a multi-dimensional array to represent a `MultiPolyline` shape: - * - * ```js - * // create a red polyline from an array of arrays of LatLng points - * var latlngs = [ - * [[45.51, -122.68], - * [37.77, -122.43], - * [34.04, -118.2]], - * [[40.78, -73.91], - * [41.83, -87.62], - * [32.76, -96.72]] - * ]; - * ``` - */ - - -var Polyline = Path.extend({ - - // @section - // @aka Polyline options - options: { - // @option smoothFactor: Number = 1.0 - // How much to simplify the polyline on each zoom level. More means - // better performance and smoother look, and less means more accurate representation. - smoothFactor: 1.0, - - // @option noClip: Boolean = false - // Disable polyline clipping. - noClip: false - }, - - initialize: function (latlngs, options) { - setOptions(this, options); - this._setLatLngs(latlngs); - }, - - // @method getLatLngs(): LatLng[] - // Returns an array of the points in the path, or nested arrays of points in case of multi-polyline. - getLatLngs: function () { - return this._latlngs; - }, - - // @method setLatLngs(latlngs: LatLng[]): this - // Replaces all the points in the polyline with the given array of geographical points. - setLatLngs: function (latlngs) { - this._setLatLngs(latlngs); - return this.redraw(); - }, - - // @method isEmpty(): Boolean - // Returns `true` if the Polyline has no LatLngs. - isEmpty: function () { - return !this._latlngs.length; - }, - - // @method closestLayerPoint(p: Point): Point - // Returns the point closest to `p` on the Polyline. - closestLayerPoint: function (p) { - var minDistance = Infinity, - minPoint = null, - closest = _sqClosestPointOnSegment, - p1, p2; - - for (var j = 0, jLen = this._parts.length; j < jLen; j++) { - var points = this._parts[j]; - - for (var i = 1, len = points.length; i < len; i++) { - p1 = points[i - 1]; - p2 = points[i]; - - var sqDist = closest(p, p1, p2, true); - - if (sqDist < minDistance) { - minDistance = sqDist; - minPoint = closest(p, p1, p2); - } - } - } - if (minPoint) { - minPoint.distance = Math.sqrt(minDistance); - } - return minPoint; - }, - - // @method getCenter(): LatLng - // Returns the center ([centroid](http://en.wikipedia.org/wiki/Centroid)) of the polyline. - getCenter: function () { - // throws error when not yet added to map as this center calculation requires projected coordinates - if (!this._map) { - throw new Error('Must add layer to map before using getCenter()'); - } - - var i, halfDist, segDist, dist, p1, p2, ratio, - points = this._rings[0], - len = points.length; - - if (!len) { return null; } - - // polyline centroid algorithm; only uses the first ring if there are multiple - - for (i = 0, halfDist = 0; i < len - 1; i++) { - halfDist += points[i].distanceTo(points[i + 1]) / 2; - } - - // The line is so small in the current view that all points are on the same pixel. - if (halfDist === 0) { - return this._map.layerPointToLatLng(points[0]); - } - - for (i = 0, dist = 0; i < len - 1; i++) { - p1 = points[i]; - p2 = points[i + 1]; - segDist = p1.distanceTo(p2); - dist += segDist; - - if (dist > halfDist) { - ratio = (dist - halfDist) / segDist; - return this._map.layerPointToLatLng([ - p2.x - ratio * (p2.x - p1.x), - p2.y - ratio * (p2.y - p1.y) - ]); - } - } - }, - - // @method getBounds(): LatLngBounds - // Returns the `LatLngBounds` of the path. - getBounds: function () { - return this._bounds; - }, - - // @method addLatLng(latlng: LatLng, latlngs? LatLng[]): this - // Adds a given point to the polyline. By default, adds to the first ring of - // the polyline in case of a multi-polyline, but can be overridden by passing - // a specific ring as a LatLng array (that you can earlier access with [`getLatLngs`](#polyline-getlatlngs)). - addLatLng: function (latlng, latlngs) { - latlngs = latlngs || this._defaultShape(); - latlng = toLatLng(latlng); - latlngs.push(latlng); - this._bounds.extend(latlng); - return this.redraw(); - }, - - _setLatLngs: function (latlngs) { - this._bounds = new LatLngBounds(); - this._latlngs = this._convertLatLngs(latlngs); - }, - - _defaultShape: function () { - return isFlat(this._latlngs) ? this._latlngs : this._latlngs[0]; - }, - - // recursively convert latlngs input into actual LatLng instances; calculate bounds along the way - _convertLatLngs: function (latlngs) { - var result = [], - flat = isFlat(latlngs); - - for (var i = 0, len = latlngs.length; i < len; i++) { - if (flat) { - result[i] = toLatLng(latlngs[i]); - this._bounds.extend(result[i]); - } else { - result[i] = this._convertLatLngs(latlngs[i]); - } - } - - return result; - }, - - _project: function () { - var pxBounds = new Bounds(); - this._rings = []; - this._projectLatlngs(this._latlngs, this._rings, pxBounds); - - var w = this._clickTolerance(), - p = new Point(w, w); - - if (this._bounds.isValid() && pxBounds.isValid()) { - pxBounds.min._subtract(p); - pxBounds.max._add(p); - this._pxBounds = pxBounds; - } - }, - - // recursively turns latlngs into a set of rings with projected coordinates - _projectLatlngs: function (latlngs, result, projectedBounds) { - var flat = latlngs[0] instanceof LatLng, - len = latlngs.length, - i, ring; - - if (flat) { - ring = []; - for (i = 0; i < len; i++) { - ring[i] = this._map.latLngToLayerPoint(latlngs[i]); - projectedBounds.extend(ring[i]); - } - result.push(ring); - } else { - for (i = 0; i < len; i++) { - this._projectLatlngs(latlngs[i], result, projectedBounds); - } - } - }, - - // clip polyline by renderer bounds so that we have less to render for performance - _clipPoints: function () { - var bounds = this._renderer._bounds; - - this._parts = []; - if (!this._pxBounds || !this._pxBounds.intersects(bounds)) { - return; - } - - if (this.options.noClip) { - this._parts = this._rings; - return; - } - - var parts = this._parts, - i, j, k, len, len2, segment, points; - - for (i = 0, k = 0, len = this._rings.length; i < len; i++) { - points = this._rings[i]; - - for (j = 0, len2 = points.length; j < len2 - 1; j++) { - segment = clipSegment(points[j], points[j + 1], bounds, j, true); - - if (!segment) { continue; } - - parts[k] = parts[k] || []; - parts[k].push(segment[0]); - - // if segment goes out of screen, or it's the last one, it's the end of the line part - if ((segment[1] !== points[j + 1]) || (j === len2 - 2)) { - parts[k].push(segment[1]); - k++; - } - } - } - }, - - // simplify each clipped part of the polyline for performance - _simplifyPoints: function () { - var parts = this._parts, - tolerance = this.options.smoothFactor; - - for (var i = 0, len = parts.length; i < len; i++) { - parts[i] = simplify(parts[i], tolerance); - } - }, - - _update: function () { - if (!this._map) { return; } - - this._clipPoints(); - this._simplifyPoints(); - this._updatePath(); - }, - - _updatePath: function () { - this._renderer._updatePoly(this); - }, - - // Needed by the `Canvas` renderer for interactivity - _containsPoint: function (p, closed) { - var i, j, k, len, len2, part, - w = this._clickTolerance(); - - if (!this._pxBounds || !this._pxBounds.contains(p)) { return false; } - - // hit detection for polylines - for (i = 0, len = this._parts.length; i < len; i++) { - part = this._parts[i]; - - for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { - if (!closed && (j === 0)) { continue; } - - if (pointToSegmentDistance(p, part[k], part[j]) <= w) { - return true; - } - } - } - return false; - } -}); - -// @factory L.polyline(latlngs: LatLng[], options?: Polyline options) -// Instantiates a polyline object given an array of geographical points and -// optionally an options object. You can create a `Polyline` object with -// multiple separate lines (`MultiPolyline`) by passing an array of arrays -// of geographic points. -function polyline(latlngs, options) { - return new Polyline(latlngs, options); -} - -// Retrocompat. Allow plugins to support Leaflet versions before and after 1.1. -Polyline._flat = _flat; - -/* - * @class Polygon - * @aka L.Polygon - * @inherits Polyline - * - * A class for drawing polygon overlays on a map. Extends `Polyline`. - * - * Note that points you pass when creating a polygon shouldn't have an additional last point equal to the first one — it's better to filter out such points. - * - * - * @example - * - * ```js - * // create a red polygon from an array of LatLng points - * var latlngs = [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]]; - * - * var polygon = L.polygon(latlngs, {color: 'red'}).addTo(map); - * - * // zoom the map to the polygon - * map.fitBounds(polygon.getBounds()); - * ``` - * - * You can also pass an array of arrays of latlngs, with the first array representing the outer shape and the other arrays representing holes in the outer shape: - * - * ```js - * var latlngs = [ - * [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]], // outer ring - * [[37.29, -108.58],[40.71, -108.58],[40.71, -102.50],[37.29, -102.50]] // hole - * ]; - * ``` - * - * Additionally, you can pass a multi-dimensional array to represent a MultiPolygon shape. - * - * ```js - * var latlngs = [ - * [ // first polygon - * [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]], // outer ring - * [[37.29, -108.58],[40.71, -108.58],[40.71, -102.50],[37.29, -102.50]] // hole - * ], - * [ // second polygon - * [[41, -111.03],[45, -111.04],[45, -104.05],[41, -104.05]] - * ] - * ]; - * ``` - */ - -var Polygon = Polyline.extend({ - - options: { - fill: true - }, - - isEmpty: function () { - return !this._latlngs.length || !this._latlngs[0].length; - }, - - getCenter: function () { - // throws error when not yet added to map as this center calculation requires projected coordinates - if (!this._map) { - throw new Error('Must add layer to map before using getCenter()'); - } - - var i, j, p1, p2, f, area, x, y, center, - points = this._rings[0], - len = points.length; - - if (!len) { return null; } - - // polygon centroid algorithm; only uses the first ring if there are multiple - - area = x = y = 0; - - for (i = 0, j = len - 1; i < len; j = i++) { - p1 = points[i]; - p2 = points[j]; - - f = p1.y * p2.x - p2.y * p1.x; - x += (p1.x + p2.x) * f; - y += (p1.y + p2.y) * f; - area += f * 3; - } - - if (area === 0) { - // Polygon is so small that all points are on same pixel. - center = points[0]; - } else { - center = [x / area, y / area]; - } - return this._map.layerPointToLatLng(center); - }, - - _convertLatLngs: function (latlngs) { - var result = Polyline.prototype._convertLatLngs.call(this, latlngs), - len = result.length; - - // remove last point if it equals first one - if (len >= 2 && result[0] instanceof LatLng && result[0].equals(result[len - 1])) { - result.pop(); - } - return result; - }, - - _setLatLngs: function (latlngs) { - Polyline.prototype._setLatLngs.call(this, latlngs); - if (isFlat(this._latlngs)) { - this._latlngs = [this._latlngs]; - } - }, - - _defaultShape: function () { - return isFlat(this._latlngs[0]) ? this._latlngs[0] : this._latlngs[0][0]; - }, - - _clipPoints: function () { - // polygons need a different clipping algorithm so we redefine that - - var bounds = this._renderer._bounds, - w = this.options.weight, - p = new Point(w, w); - - // increase clip padding by stroke width to avoid stroke on clip edges - bounds = new Bounds(bounds.min.subtract(p), bounds.max.add(p)); - - this._parts = []; - if (!this._pxBounds || !this._pxBounds.intersects(bounds)) { - return; - } - - if (this.options.noClip) { - this._parts = this._rings; - return; - } - - for (var i = 0, len = this._rings.length, clipped; i < len; i++) { - clipped = clipPolygon(this._rings[i], bounds, true); - if (clipped.length) { - this._parts.push(clipped); - } - } - }, - - _updatePath: function () { - this._renderer._updatePoly(this, true); - }, - - // Needed by the `Canvas` renderer for interactivity - _containsPoint: function (p) { - var inside = false, - part, p1, p2, i, j, k, len, len2; - - if (!this._pxBounds || !this._pxBounds.contains(p)) { return false; } - - // ray casting algorithm for detecting if point is in polygon - for (i = 0, len = this._parts.length; i < len; i++) { - part = this._parts[i]; - - for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { - p1 = part[j]; - p2 = part[k]; - - if (((p1.y > p.y) !== (p2.y > p.y)) && (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) { - inside = !inside; - } - } - } - - // also check if it's on polygon stroke - return inside || Polyline.prototype._containsPoint.call(this, p, true); - } - -}); - - -// @factory L.polygon(latlngs: LatLng[], options?: Polyline options) -function polygon(latlngs, options) { - return new Polygon(latlngs, options); -} - +} + +/* + * @class Path + * @aka L.Path + * @inherits Interactive layer + * + * An abstract class that contains options and constants shared between vector + * overlays (Polygon, Polyline, Circle). Do not use it directly. Extends `Layer`. + */ + +var Path = Layer.extend({ + + // @section + // @aka Path options + options: { + // @option stroke: Boolean = true + // Whether to draw stroke along the path. Set it to `false` to disable borders on polygons or circles. + stroke: true, + + // @option color: String = '#3388ff' + // Stroke color + color: '#3388ff', + + // @option weight: Number = 3 + // Stroke width in pixels + weight: 3, + + // @option opacity: Number = 1.0 + // Stroke opacity + opacity: 1, + + // @option lineCap: String= 'round' + // A string that defines [shape to be used at the end](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linecap) of the stroke. + lineCap: 'round', + + // @option lineJoin: String = 'round' + // A string that defines [shape to be used at the corners](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linejoin) of the stroke. + lineJoin: 'round', + + // @option dashArray: String = null + // A string that defines the stroke [dash pattern](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dasharray). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility). + dashArray: null, + + // @option dashOffset: String = null + // A string that defines the [distance into the dash pattern to start the dash](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dashoffset). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility). + dashOffset: null, + + // @option fill: Boolean = depends + // Whether to fill the path with color. Set it to `false` to disable filling on polygons or circles. + fill: false, + + // @option fillColor: String = * + // Fill color. Defaults to the value of the [`color`](#path-color) option + fillColor: null, + + // @option fillOpacity: Number = 0.2 + // Fill opacity. + fillOpacity: 0.2, + + // @option fillRule: String = 'evenodd' + // A string that defines [how the inside of a shape](https://developer.mozilla.org/docs/Web/SVG/Attribute/fill-rule) is determined. + fillRule: 'evenodd', + + // className: '', + + // Option inherited from "Interactive layer" abstract class + interactive: true, + + // @option bubblingMouseEvents: Boolean = true + // When `true`, a mouse event on this path will trigger the same event on the map + // (unless [`L.DomEvent.stopPropagation`](#domevent-stoppropagation) is used). + bubblingMouseEvents: true + }, + + beforeAdd: function (map) { + // Renderer is set here because we need to call renderer.getEvents + // before this.getEvents. + this._renderer = map.getRenderer(this); + }, + + onAdd: function () { + this._renderer._initPath(this); + this._reset(); + this._renderer._addPath(this); + }, + + onRemove: function () { + this._renderer._removePath(this); + }, + + // @method redraw(): this + // Redraws the layer. Sometimes useful after you changed the coordinates that the path uses. + redraw: function () { + if (this._map) { + this._renderer._updatePath(this); + } + return this; + }, + + // @method setStyle(style: Path options): this + // Changes the appearance of a Path based on the options in the `Path options` object. + setStyle: function (style) { + setOptions(this, style); + if (this._renderer) { + this._renderer._updateStyle(this); + } + return this; + }, + + // @method bringToFront(): this + // Brings the layer to the top of all path layers. + bringToFront: function () { + if (this._renderer) { + this._renderer._bringToFront(this); + } + return this; + }, + + // @method bringToBack(): this + // Brings the layer to the bottom of all path layers. + bringToBack: function () { + if (this._renderer) { + this._renderer._bringToBack(this); + } + return this; + }, + + getElement: function () { + return this._path; + }, + + _reset: function () { + // defined in child classes + this._project(); + this._update(); + }, + + _clickTolerance: function () { + // used when doing hit detection for Canvas layers + return (this.options.stroke ? this.options.weight / 2 : 0) + this._renderer.options.tolerance; + } +}); + +/* + * @class CircleMarker + * @aka L.CircleMarker + * @inherits Path + * + * A circle of a fixed size with radius specified in pixels. Extends `Path`. + */ + +var CircleMarker = Path.extend({ + + // @section + // @aka CircleMarker options + options: { + fill: true, + + // @option radius: Number = 10 + // Radius of the circle marker, in pixels + radius: 10 + }, + + initialize: function (latlng, options) { + setOptions(this, options); + this._latlng = toLatLng(latlng); + this._radius = this.options.radius; + }, + + // @method setLatLng(latLng: LatLng): this + // Sets the position of a circle marker to a new location. + setLatLng: function (latlng) { + this._latlng = toLatLng(latlng); + this.redraw(); + return this.fire('move', {latlng: this._latlng}); + }, + + // @method getLatLng(): LatLng + // Returns the current geographical position of the circle marker + getLatLng: function () { + return this._latlng; + }, + + // @method setRadius(radius: Number): this + // Sets the radius of a circle marker. Units are in pixels. + setRadius: function (radius) { + this.options.radius = this._radius = radius; + return this.redraw(); + }, + + // @method getRadius(): Number + // Returns the current radius of the circle + getRadius: function () { + return this._radius; + }, + + setStyle : function (options) { + var radius = options && options.radius || this._radius; + Path.prototype.setStyle.call(this, options); + this.setRadius(radius); + return this; + }, + + _project: function () { + this._point = this._map.latLngToLayerPoint(this._latlng); + this._updateBounds(); + }, + + _updateBounds: function () { + var r = this._radius, + r2 = this._radiusY || r, + w = this._clickTolerance(), + p = [r + w, r2 + w]; + this._pxBounds = new Bounds(this._point.subtract(p), this._point.add(p)); + }, + + _update: function () { + if (this._map) { + this._updatePath(); + } + }, + + _updatePath: function () { + this._renderer._updateCircle(this); + }, + + _empty: function () { + return this._radius && !this._renderer._bounds.intersects(this._pxBounds); + }, + + // Needed by the `Canvas` renderer for interactivity + _containsPoint: function (p) { + return p.distanceTo(this._point) <= this._radius + this._clickTolerance(); + } +}); + + +// @factory L.circleMarker(latlng: LatLng, options?: CircleMarker options) +// Instantiates a circle marker object given a geographical point, and an optional options object. +function circleMarker(latlng, options) { + return new CircleMarker(latlng, options); +} + +/* + * @class Circle + * @aka L.Circle + * @inherits CircleMarker + * + * A class for drawing circle overlays on a map. Extends `CircleMarker`. + * + * It's an approximation and starts to diverge from a real circle closer to poles (due to projection distortion). + * + * @example + * + * ```js + * L.circle([50.5, 30.5], {radius: 200}).addTo(map); + * ``` + */ + +var Circle = CircleMarker.extend({ + + initialize: function (latlng, options, legacyOptions) { + if (typeof options === 'number') { + // Backwards compatibility with 0.7.x factory (latlng, radius, options?) + options = extend({}, legacyOptions, {radius: options}); + } + setOptions(this, options); + this._latlng = toLatLng(latlng); + + if (isNaN(this.options.radius)) { throw new Error('Circle radius cannot be NaN'); } + + // @section + // @aka Circle options + // @option radius: Number; Radius of the circle, in meters. + this._mRadius = this.options.radius; + }, + + // @method setRadius(radius: Number): this + // Sets the radius of a circle. Units are in meters. + setRadius: function (radius) { + this._mRadius = radius; + return this.redraw(); + }, + + // @method getRadius(): Number + // Returns the current radius of a circle. Units are in meters. + getRadius: function () { + return this._mRadius; + }, + + // @method getBounds(): LatLngBounds + // Returns the `LatLngBounds` of the path. + getBounds: function () { + var half = [this._radius, this._radiusY || this._radius]; + + return new LatLngBounds( + this._map.layerPointToLatLng(this._point.subtract(half)), + this._map.layerPointToLatLng(this._point.add(half))); + }, + + setStyle: Path.prototype.setStyle, + + _project: function () { + + var lng = this._latlng.lng, + lat = this._latlng.lat, + map = this._map, + crs = map.options.crs; + + if (crs.distance === Earth.distance) { + var d = Math.PI / 180, + latR = (this._mRadius / Earth.R) / d, + top = map.project([lat + latR, lng]), + bottom = map.project([lat - latR, lng]), + p = top.add(bottom).divideBy(2), + lat2 = map.unproject(p).lat, + lngR = Math.acos((Math.cos(latR * d) - Math.sin(lat * d) * Math.sin(lat2 * d)) / + (Math.cos(lat * d) * Math.cos(lat2 * d))) / d; + + if (isNaN(lngR) || lngR === 0) { + lngR = latR / Math.cos(Math.PI / 180 * lat); // Fallback for edge case, #2425 + } + + this._point = p.subtract(map.getPixelOrigin()); + this._radius = isNaN(lngR) ? 0 : p.x - map.project([lat2, lng - lngR]).x; + this._radiusY = p.y - top.y; + + } else { + var latlng2 = crs.unproject(crs.project(this._latlng).subtract([this._mRadius, 0])); + + this._point = map.latLngToLayerPoint(this._latlng); + this._radius = this._point.x - map.latLngToLayerPoint(latlng2).x; + } + + this._updateBounds(); + } +}); + +// @factory L.circle(latlng: LatLng, options?: Circle options) +// Instantiates a circle object given a geographical point, and an options object +// which contains the circle radius. +// @alternative +// @factory L.circle(latlng: LatLng, radius: Number, options?: Circle options) +// Obsolete way of instantiating a circle, for compatibility with 0.7.x code. +// Do not use in new applications or plugins. +function circle(latlng, options, legacyOptions) { + return new Circle(latlng, options, legacyOptions); +} + +/* + * @class Polyline + * @aka L.Polyline + * @inherits Path + * + * A class for drawing polyline overlays on a map. Extends `Path`. + * + * @example + * + * ```js + * // create a red polyline from an array of LatLng points + * var latlngs = [ + * [45.51, -122.68], + * [37.77, -122.43], + * [34.04, -118.2] + * ]; + * + * var polyline = L.polyline(latlngs, {color: 'red'}).addTo(map); + * + * // zoom the map to the polyline + * map.fitBounds(polyline.getBounds()); + * ``` + * + * You can also pass a multi-dimensional array to represent a `MultiPolyline` shape: + * + * ```js + * // create a red polyline from an array of arrays of LatLng points + * var latlngs = [ + * [[45.51, -122.68], + * [37.77, -122.43], + * [34.04, -118.2]], + * [[40.78, -73.91], + * [41.83, -87.62], + * [32.76, -96.72]] + * ]; + * ``` + */ + + +var Polyline = Path.extend({ + + // @section + // @aka Polyline options + options: { + // @option smoothFactor: Number = 1.0 + // How much to simplify the polyline on each zoom level. More means + // better performance and smoother look, and less means more accurate representation. + smoothFactor: 1.0, + + // @option noClip: Boolean = false + // Disable polyline clipping. + noClip: false + }, + + initialize: function (latlngs, options) { + setOptions(this, options); + this._setLatLngs(latlngs); + }, + + // @method getLatLngs(): LatLng[] + // Returns an array of the points in the path, or nested arrays of points in case of multi-polyline. + getLatLngs: function () { + return this._latlngs; + }, + + // @method setLatLngs(latlngs: LatLng[]): this + // Replaces all the points in the polyline with the given array of geographical points. + setLatLngs: function (latlngs) { + this._setLatLngs(latlngs); + return this.redraw(); + }, + + // @method isEmpty(): Boolean + // Returns `true` if the Polyline has no LatLngs. + isEmpty: function () { + return !this._latlngs.length; + }, + + // @method closestLayerPoint(p: Point): Point + // Returns the point closest to `p` on the Polyline. + closestLayerPoint: function (p) { + var minDistance = Infinity, + minPoint = null, + closest = _sqClosestPointOnSegment, + p1, p2; + + for (var j = 0, jLen = this._parts.length; j < jLen; j++) { + var points = this._parts[j]; + + for (var i = 1, len = points.length; i < len; i++) { + p1 = points[i - 1]; + p2 = points[i]; + + var sqDist = closest(p, p1, p2, true); + + if (sqDist < minDistance) { + minDistance = sqDist; + minPoint = closest(p, p1, p2); + } + } + } + if (minPoint) { + minPoint.distance = Math.sqrt(minDistance); + } + return minPoint; + }, + + // @method getCenter(): LatLng + // Returns the center ([centroid](http://en.wikipedia.org/wiki/Centroid)) of the polyline. + getCenter: function () { + // throws error when not yet added to map as this center calculation requires projected coordinates + if (!this._map) { + throw new Error('Must add layer to map before using getCenter()'); + } + + var i, halfDist, segDist, dist, p1, p2, ratio, + points = this._rings[0], + len = points.length; + + if (!len) { return null; } + + // polyline centroid algorithm; only uses the first ring if there are multiple + + for (i = 0, halfDist = 0; i < len - 1; i++) { + halfDist += points[i].distanceTo(points[i + 1]) / 2; + } + + // The line is so small in the current view that all points are on the same pixel. + if (halfDist === 0) { + return this._map.layerPointToLatLng(points[0]); + } + + for (i = 0, dist = 0; i < len - 1; i++) { + p1 = points[i]; + p2 = points[i + 1]; + segDist = p1.distanceTo(p2); + dist += segDist; + + if (dist > halfDist) { + ratio = (dist - halfDist) / segDist; + return this._map.layerPointToLatLng([ + p2.x - ratio * (p2.x - p1.x), + p2.y - ratio * (p2.y - p1.y) + ]); + } + } + }, + + // @method getBounds(): LatLngBounds + // Returns the `LatLngBounds` of the path. + getBounds: function () { + return this._bounds; + }, + + // @method addLatLng(latlng: LatLng, latlngs? LatLng[]): this + // Adds a given point to the polyline. By default, adds to the first ring of + // the polyline in case of a multi-polyline, but can be overridden by passing + // a specific ring as a LatLng array (that you can earlier access with [`getLatLngs`](#polyline-getlatlngs)). + addLatLng: function (latlng, latlngs) { + latlngs = latlngs || this._defaultShape(); + latlng = toLatLng(latlng); + latlngs.push(latlng); + this._bounds.extend(latlng); + return this.redraw(); + }, + + _setLatLngs: function (latlngs) { + this._bounds = new LatLngBounds(); + this._latlngs = this._convertLatLngs(latlngs); + }, + + _defaultShape: function () { + return isFlat(this._latlngs) ? this._latlngs : this._latlngs[0]; + }, + + // recursively convert latlngs input into actual LatLng instances; calculate bounds along the way + _convertLatLngs: function (latlngs) { + var result = [], + flat = isFlat(latlngs); + + for (var i = 0, len = latlngs.length; i < len; i++) { + if (flat) { + result[i] = toLatLng(latlngs[i]); + this._bounds.extend(result[i]); + } else { + result[i] = this._convertLatLngs(latlngs[i]); + } + } + + return result; + }, + + _project: function () { + var pxBounds = new Bounds(); + this._rings = []; + this._projectLatlngs(this._latlngs, this._rings, pxBounds); + + var w = this._clickTolerance(), + p = new Point(w, w); + + if (this._bounds.isValid() && pxBounds.isValid()) { + pxBounds.min._subtract(p); + pxBounds.max._add(p); + this._pxBounds = pxBounds; + } + }, + + // recursively turns latlngs into a set of rings with projected coordinates + _projectLatlngs: function (latlngs, result, projectedBounds) { + var flat = latlngs[0] instanceof LatLng, + len = latlngs.length, + i, ring; + + if (flat) { + ring = []; + for (i = 0; i < len; i++) { + ring[i] = this._map.latLngToLayerPoint(latlngs[i]); + projectedBounds.extend(ring[i]); + } + result.push(ring); + } else { + for (i = 0; i < len; i++) { + this._projectLatlngs(latlngs[i], result, projectedBounds); + } + } + }, + + // clip polyline by renderer bounds so that we have less to render for performance + _clipPoints: function () { + var bounds = this._renderer._bounds; + + this._parts = []; + if (!this._pxBounds || !this._pxBounds.intersects(bounds)) { + return; + } + + if (this.options.noClip) { + this._parts = this._rings; + return; + } + + var parts = this._parts, + i, j, k, len, len2, segment, points; + + for (i = 0, k = 0, len = this._rings.length; i < len; i++) { + points = this._rings[i]; + + for (j = 0, len2 = points.length; j < len2 - 1; j++) { + segment = clipSegment(points[j], points[j + 1], bounds, j, true); + + if (!segment) { continue; } + + parts[k] = parts[k] || []; + parts[k].push(segment[0]); + + // if segment goes out of screen, or it's the last one, it's the end of the line part + if ((segment[1] !== points[j + 1]) || (j === len2 - 2)) { + parts[k].push(segment[1]); + k++; + } + } + } + }, + + // simplify each clipped part of the polyline for performance + _simplifyPoints: function () { + var parts = this._parts, + tolerance = this.options.smoothFactor; + + for (var i = 0, len = parts.length; i < len; i++) { + parts[i] = simplify(parts[i], tolerance); + } + }, + + _update: function () { + if (!this._map) { return; } + + this._clipPoints(); + this._simplifyPoints(); + this._updatePath(); + }, + + _updatePath: function () { + this._renderer._updatePoly(this); + }, + + // Needed by the `Canvas` renderer for interactivity + _containsPoint: function (p, closed) { + var i, j, k, len, len2, part, + w = this._clickTolerance(); + + if (!this._pxBounds || !this._pxBounds.contains(p)) { return false; } + + // hit detection for polylines + for (i = 0, len = this._parts.length; i < len; i++) { + part = this._parts[i]; + + for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { + if (!closed && (j === 0)) { continue; } + + if (pointToSegmentDistance(p, part[k], part[j]) <= w) { + return true; + } + } + } + return false; + } +}); + +// @factory L.polyline(latlngs: LatLng[], options?: Polyline options) +// Instantiates a polyline object given an array of geographical points and +// optionally an options object. You can create a `Polyline` object with +// multiple separate lines (`MultiPolyline`) by passing an array of arrays +// of geographic points. +function polyline(latlngs, options) { + return new Polyline(latlngs, options); +} + +// Retrocompat. Allow plugins to support Leaflet versions before and after 1.1. +Polyline._flat = _flat; + +/* + * @class Polygon + * @aka L.Polygon + * @inherits Polyline + * + * A class for drawing polygon overlays on a map. Extends `Polyline`. + * + * Note that points you pass when creating a polygon shouldn't have an additional last point equal to the first one — it's better to filter out such points. + * + * + * @example + * + * ```js + * // create a red polygon from an array of LatLng points + * var latlngs = [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]]; + * + * var polygon = L.polygon(latlngs, {color: 'red'}).addTo(map); + * + * // zoom the map to the polygon + * map.fitBounds(polygon.getBounds()); + * ``` + * + * You can also pass an array of arrays of latlngs, with the first array representing the outer shape and the other arrays representing holes in the outer shape: + * + * ```js + * var latlngs = [ + * [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]], // outer ring + * [[37.29, -108.58],[40.71, -108.58],[40.71, -102.50],[37.29, -102.50]] // hole + * ]; + * ``` + * + * Additionally, you can pass a multi-dimensional array to represent a MultiPolygon shape. + * + * ```js + * var latlngs = [ + * [ // first polygon + * [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]], // outer ring + * [[37.29, -108.58],[40.71, -108.58],[40.71, -102.50],[37.29, -102.50]] // hole + * ], + * [ // second polygon + * [[41, -111.03],[45, -111.04],[45, -104.05],[41, -104.05]] + * ] + * ]; + * ``` + */ + +var Polygon = Polyline.extend({ + + options: { + fill: true + }, + + isEmpty: function () { + return !this._latlngs.length || !this._latlngs[0].length; + }, + + getCenter: function () { + // throws error when not yet added to map as this center calculation requires projected coordinates + if (!this._map) { + throw new Error('Must add layer to map before using getCenter()'); + } + + var i, j, p1, p2, f, area, x, y, center, + points = this._rings[0], + len = points.length; + + if (!len) { return null; } + + // polygon centroid algorithm; only uses the first ring if there are multiple + + area = x = y = 0; + + for (i = 0, j = len - 1; i < len; j = i++) { + p1 = points[i]; + p2 = points[j]; + + f = p1.y * p2.x - p2.y * p1.x; + x += (p1.x + p2.x) * f; + y += (p1.y + p2.y) * f; + area += f * 3; + } + + if (area === 0) { + // Polygon is so small that all points are on same pixel. + center = points[0]; + } else { + center = [x / area, y / area]; + } + return this._map.layerPointToLatLng(center); + }, + + _convertLatLngs: function (latlngs) { + var result = Polyline.prototype._convertLatLngs.call(this, latlngs), + len = result.length; + + // remove last point if it equals first one + if (len >= 2 && result[0] instanceof LatLng && result[0].equals(result[len - 1])) { + result.pop(); + } + return result; + }, + + _setLatLngs: function (latlngs) { + Polyline.prototype._setLatLngs.call(this, latlngs); + if (isFlat(this._latlngs)) { + this._latlngs = [this._latlngs]; + } + }, + + _defaultShape: function () { + return isFlat(this._latlngs[0]) ? this._latlngs[0] : this._latlngs[0][0]; + }, + + _clipPoints: function () { + // polygons need a different clipping algorithm so we redefine that + + var bounds = this._renderer._bounds, + w = this.options.weight, + p = new Point(w, w); + + // increase clip padding by stroke width to avoid stroke on clip edges + bounds = new Bounds(bounds.min.subtract(p), bounds.max.add(p)); + + this._parts = []; + if (!this._pxBounds || !this._pxBounds.intersects(bounds)) { + return; + } + + if (this.options.noClip) { + this._parts = this._rings; + return; + } + + for (var i = 0, len = this._rings.length, clipped; i < len; i++) { + clipped = clipPolygon(this._rings[i], bounds, true); + if (clipped.length) { + this._parts.push(clipped); + } + } + }, + + _updatePath: function () { + this._renderer._updatePoly(this, true); + }, + + // Needed by the `Canvas` renderer for interactivity + _containsPoint: function (p) { + var inside = false, + part, p1, p2, i, j, k, len, len2; + + if (!this._pxBounds || !this._pxBounds.contains(p)) { return false; } + + // ray casting algorithm for detecting if point is in polygon + for (i = 0, len = this._parts.length; i < len; i++) { + part = this._parts[i]; + + for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { + p1 = part[j]; + p2 = part[k]; + + if (((p1.y > p.y) !== (p2.y > p.y)) && (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) { + inside = !inside; + } + } + } + + // also check if it's on polygon stroke + return inside || Polyline.prototype._containsPoint.call(this, p, true); + } + +}); + + +// @factory L.polygon(latlngs: LatLng[], options?: Polyline options) +function polygon(latlngs, options) { + return new Polygon(latlngs, options); +} + /* * @class GeoJSON * @aka L.GeoJSON @@ -8917,8 +8917,8 @@ function geoJSON(geojson, options) { } // Backward compatibility. -var geoJson = geoJSON; - +var geoJson = geoJSON; + /* * @class ImageOverlay * @aka L.ImageOverlay @@ -9176,8 +9176,8 @@ var ImageOverlay = Layer.extend({ // geographical bounds it is tied to. var imageOverlay = function (url, bounds, options) { return new ImageOverlay(url, bounds, options); -}; - +}; + /* * @class VideoOverlay * @aka L.VideoOverlay @@ -9259,8 +9259,8 @@ var VideoOverlay = ImageOverlay.extend({ function videoOverlay(video, bounds, options) { return new VideoOverlay(video, bounds, options); -} - +} + /* * @class DivOverlay * @inherits Layer @@ -9457,8 +9457,8 @@ var DivOverlay = Layer.extend({ return [0, 0]; } -}); - +}); + /* * @class Popup * @inherits DivOverlay @@ -9980,1399 +9980,1399 @@ Layer.include({ this._openPopup(e); } } -}); - -/* - * @class Tooltip - * @inherits DivOverlay - * @aka L.Tooltip - * Used to display small texts on top of map layers. - * - * @example - * - * ```js - * marker.bindTooltip("my tooltip text").openTooltip(); - * ``` - * Note about tooltip offset. Leaflet takes two options in consideration - * for computing tooltip offsetting: - * - the `offset` Tooltip option: it defaults to [0, 0], and it's specific to one tooltip. - * Add a positive x offset to move the tooltip to the right, and a positive y offset to - * move it to the bottom. Negatives will move to the left and top. - * - the `tooltipAnchor` Icon option: this will only be considered for Marker. You - * should adapt this value if you use a custom icon. - */ - - -// @namespace Tooltip -var Tooltip = DivOverlay.extend({ - - // @section - // @aka Tooltip options - options: { - // @option pane: String = 'tooltipPane' - // `Map pane` where the tooltip will be added. - pane: 'tooltipPane', - - // @option offset: Point = Point(0, 0) - // Optional offset of the tooltip position. - offset: [0, 0], - - // @option direction: String = 'auto' - // Direction where to open the tooltip. Possible values are: `right`, `left`, - // `top`, `bottom`, `center`, `auto`. - // `auto` will dynamically switch between `right` and `left` according to the tooltip - // position on the map. - direction: 'auto', - - // @option permanent: Boolean = false - // Whether to open the tooltip permanently or only on mouseover. - permanent: false, - - // @option sticky: Boolean = false - // If true, the tooltip will follow the mouse instead of being fixed at the feature center. - sticky: false, - - // @option interactive: Boolean = false - // If true, the tooltip will listen to the feature events. - interactive: false, - - // @option opacity: Number = 0.9 - // Tooltip container opacity. - opacity: 0.9 - }, - - onAdd: function (map) { - DivOverlay.prototype.onAdd.call(this, map); - this.setOpacity(this.options.opacity); - - // @namespace Map - // @section Tooltip events - // @event tooltipopen: TooltipEvent - // Fired when a tooltip is opened in the map. - map.fire('tooltipopen', {tooltip: this}); - - if (this._source) { - // @namespace Layer - // @section Tooltip events - // @event tooltipopen: TooltipEvent - // Fired when a tooltip bound to this layer is opened. - this._source.fire('tooltipopen', {tooltip: this}, true); - } - }, - - onRemove: function (map) { - DivOverlay.prototype.onRemove.call(this, map); - - // @namespace Map - // @section Tooltip events - // @event tooltipclose: TooltipEvent - // Fired when a tooltip in the map is closed. - map.fire('tooltipclose', {tooltip: this}); - - if (this._source) { - // @namespace Layer - // @section Tooltip events - // @event tooltipclose: TooltipEvent - // Fired when a tooltip bound to this layer is closed. - this._source.fire('tooltipclose', {tooltip: this}, true); - } - }, - - getEvents: function () { - var events = DivOverlay.prototype.getEvents.call(this); - - if (touch && !this.options.permanent) { - events.preclick = this._close; - } - - return events; - }, - - _close: function () { - if (this._map) { - this._map.closeTooltip(this); - } - }, - - _initLayout: function () { - var prefix = 'leaflet-tooltip', - className = prefix + ' ' + (this.options.className || '') + ' leaflet-zoom-' + (this._zoomAnimated ? 'animated' : 'hide'); - - this._contentNode = this._container = create$1('div', className); - }, - - _updateLayout: function () {}, - - _adjustPan: function () {}, - - _setPosition: function (pos) { - var map = this._map, - container = this._container, - centerPoint = map.latLngToContainerPoint(map.getCenter()), - tooltipPoint = map.layerPointToContainerPoint(pos), - direction = this.options.direction, - tooltipWidth = container.offsetWidth, - tooltipHeight = container.offsetHeight, - offset = toPoint(this.options.offset), - anchor = this._getAnchor(); - - if (direction === 'top') { - pos = pos.add(toPoint(-tooltipWidth / 2 + offset.x, -tooltipHeight + offset.y + anchor.y, true)); - } else if (direction === 'bottom') { - pos = pos.subtract(toPoint(tooltipWidth / 2 - offset.x, -offset.y, true)); - } else if (direction === 'center') { - pos = pos.subtract(toPoint(tooltipWidth / 2 + offset.x, tooltipHeight / 2 - anchor.y + offset.y, true)); - } else if (direction === 'right' || direction === 'auto' && tooltipPoint.x < centerPoint.x) { - direction = 'right'; - pos = pos.add(toPoint(offset.x + anchor.x, anchor.y - tooltipHeight / 2 + offset.y, true)); - } else { - direction = 'left'; - pos = pos.subtract(toPoint(tooltipWidth + anchor.x - offset.x, tooltipHeight / 2 - anchor.y - offset.y, true)); - } - - removeClass(container, 'leaflet-tooltip-right'); - removeClass(container, 'leaflet-tooltip-left'); - removeClass(container, 'leaflet-tooltip-top'); - removeClass(container, 'leaflet-tooltip-bottom'); - addClass(container, 'leaflet-tooltip-' + direction); - setPosition(container, pos); - }, - - _updatePosition: function () { - var pos = this._map.latLngToLayerPoint(this._latlng); - this._setPosition(pos); - }, - - setOpacity: function (opacity) { - this.options.opacity = opacity; - - if (this._container) { - setOpacity(this._container, opacity); - } - }, - - _animateZoom: function (e) { - var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center); - this._setPosition(pos); - }, - - _getAnchor: function () { - // Where should we anchor the tooltip on the source layer? - return toPoint(this._source && this._source._getTooltipAnchor && !this.options.sticky ? this._source._getTooltipAnchor() : [0, 0]); - } - -}); - -// @namespace Tooltip -// @factory L.tooltip(options?: Tooltip options, source?: Layer) -// Instantiates a Tooltip object given an optional `options` object that describes its appearance and location and an optional `source` object that is used to tag the tooltip with a reference to the Layer to which it refers. -var tooltip = function (options, source) { - return new Tooltip(options, source); -}; - -// @namespace Map -// @section Methods for Layers and Controls -Map.include({ - - // @method openTooltip(tooltip: Tooltip): this - // Opens the specified tooltip. - // @alternative - // @method openTooltip(content: String|HTMLElement, latlng: LatLng, options?: Tooltip options): this - // Creates a tooltip with the specified content and options and open it. - openTooltip: function (tooltip, latlng, options) { - if (!(tooltip instanceof Tooltip)) { - tooltip = new Tooltip(options).setContent(tooltip); - } - - if (latlng) { - tooltip.setLatLng(latlng); - } - - if (this.hasLayer(tooltip)) { - return this; - } - - return this.addLayer(tooltip); - }, - - // @method closeTooltip(tooltip?: Tooltip): this - // Closes the tooltip given as parameter. - closeTooltip: function (tooltip) { - if (tooltip) { - this.removeLayer(tooltip); - } - return this; - } - -}); - -/* - * @namespace Layer - * @section Tooltip methods example - * - * All layers share a set of methods convenient for binding tooltips to it. - * - * ```js - * var layer = L.Polygon(latlngs).bindTooltip('Hi There!').addTo(map); - * layer.openTooltip(); - * layer.closeTooltip(); - * ``` - */ - -// @section Tooltip methods -Layer.include({ - - // @method bindTooltip(content: String|HTMLElement|Function|Tooltip, options?: Tooltip options): this - // Binds a tooltip to the layer with the passed `content` and sets up the - // necessary event listeners. If a `Function` is passed it will receive - // the layer as the first argument and should return a `String` or `HTMLElement`. - bindTooltip: function (content, options) { - - if (content instanceof Tooltip) { - setOptions(content, options); - this._tooltip = content; - content._source = this; - } else { - if (!this._tooltip || options) { - this._tooltip = new Tooltip(options, this); - } - this._tooltip.setContent(content); - - } - - this._initTooltipInteractions(); - - if (this._tooltip.options.permanent && this._map && this._map.hasLayer(this)) { - this.openTooltip(); - } - - return this; - }, - - // @method unbindTooltip(): this - // Removes the tooltip previously bound with `bindTooltip`. - unbindTooltip: function () { - if (this._tooltip) { - this._initTooltipInteractions(true); - this.closeTooltip(); - this._tooltip = null; - } - return this; - }, - - _initTooltipInteractions: function (remove$$1) { - if (!remove$$1 && this._tooltipHandlersAdded) { return; } - var onOff = remove$$1 ? 'off' : 'on', - events = { - remove: this.closeTooltip, - move: this._moveTooltip - }; - if (!this._tooltip.options.permanent) { - events.mouseover = this._openTooltip; - events.mouseout = this.closeTooltip; - if (this._tooltip.options.sticky) { - events.mousemove = this._moveTooltip; - } - if (touch) { - events.click = this._openTooltip; - } - } else { - events.add = this._openTooltip; - } - this[onOff](events); - this._tooltipHandlersAdded = !remove$$1; - }, - - // @method openTooltip(latlng?: LatLng): this - // Opens the bound tooltip at the specified `latlng` or at the default tooltip anchor if no `latlng` is passed. - openTooltip: function (layer, latlng) { - if (!(layer instanceof Layer)) { - latlng = layer; - layer = this; - } - - if (layer instanceof FeatureGroup) { - for (var id in this._layers) { - layer = this._layers[id]; - break; - } - } - - if (!latlng) { - latlng = layer.getCenter ? layer.getCenter() : layer.getLatLng(); - } - - if (this._tooltip && this._map) { - - // set tooltip source to this layer - this._tooltip._source = layer; - - // update the tooltip (content, layout, ect...) - this._tooltip.update(); - - // open the tooltip on the map - this._map.openTooltip(this._tooltip, latlng); - - // Tooltip container may not be defined if not permanent and never - // opened. - if (this._tooltip.options.interactive && this._tooltip._container) { - addClass(this._tooltip._container, 'leaflet-clickable'); - this.addInteractiveTarget(this._tooltip._container); - } - } - - return this; - }, - - // @method closeTooltip(): this - // Closes the tooltip bound to this layer if it is open. - closeTooltip: function () { - if (this._tooltip) { - this._tooltip._close(); - if (this._tooltip.options.interactive && this._tooltip._container) { - removeClass(this._tooltip._container, 'leaflet-clickable'); - this.removeInteractiveTarget(this._tooltip._container); - } - } - return this; - }, - - // @method toggleTooltip(): this - // Opens or closes the tooltip bound to this layer depending on its current state. - toggleTooltip: function (target) { - if (this._tooltip) { - if (this._tooltip._map) { - this.closeTooltip(); - } else { - this.openTooltip(target); - } - } - return this; - }, - - // @method isTooltipOpen(): boolean - // Returns `true` if the tooltip bound to this layer is currently open. - isTooltipOpen: function () { - return this._tooltip.isOpen(); - }, - - // @method setTooltipContent(content: String|HTMLElement|Tooltip): this - // Sets the content of the tooltip bound to this layer. - setTooltipContent: function (content) { - if (this._tooltip) { - this._tooltip.setContent(content); - } - return this; - }, - - // @method getTooltip(): Tooltip - // Returns the tooltip bound to this layer. - getTooltip: function () { - return this._tooltip; - }, - - _openTooltip: function (e) { - var layer = e.layer || e.target; - - if (!this._tooltip || !this._map) { - return; - } - this.openTooltip(layer, this._tooltip.options.sticky ? e.latlng : undefined); - }, - - _moveTooltip: function (e) { - var latlng = e.latlng, containerPoint, layerPoint; - if (this._tooltip.options.sticky && e.originalEvent) { - containerPoint = this._map.mouseEventToContainerPoint(e.originalEvent); - layerPoint = this._map.containerPointToLayerPoint(containerPoint); - latlng = this._map.layerPointToLatLng(layerPoint); - } - this._tooltip.setLatLng(latlng); - } -}); - -/* - * @class DivIcon - * @aka L.DivIcon - * @inherits Icon - * - * Represents a lightweight icon for markers that uses a simple `
` - * element instead of an image. Inherits from `Icon` but ignores the `iconUrl` and shadow options. - * - * @example - * ```js - * var myIcon = L.divIcon({className: 'my-div-icon'}); - * // you can set .my-div-icon styles in CSS - * - * L.marker([50.505, 30.57], {icon: myIcon}).addTo(map); - * ``` - * - * By default, it has a 'leaflet-div-icon' CSS class and is styled as a little white square with a shadow. - */ - -var DivIcon = Icon.extend({ - options: { - // @section - // @aka DivIcon options - iconSize: [12, 12], // also can be set through CSS - - // iconAnchor: (Point), - // popupAnchor: (Point), - - // @option html: String = '' - // Custom HTML code to put inside the div element, empty by default. - html: false, - - // @option bgPos: Point = [0, 0] - // Optional relative position of the background, in pixels - bgPos: null, - - className: 'leaflet-div-icon' - }, - - createIcon: function (oldIcon) { - var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'), - options = this.options; - - div.innerHTML = options.html !== false ? options.html : ''; - - if (options.bgPos) { - var bgPos = toPoint(options.bgPos); - div.style.backgroundPosition = (-bgPos.x) + 'px ' + (-bgPos.y) + 'px'; - } - this._setIconStyles(div, 'icon'); - - return div; - }, - - createShadow: function () { - return null; - } -}); - -// @factory L.divIcon(options: DivIcon options) -// Creates a `DivIcon` instance with the given options. -function divIcon(options) { - return new DivIcon(options); -} - -Icon.Default = IconDefault; - -/* - * @class GridLayer - * @inherits Layer - * @aka L.GridLayer - * - * Generic class for handling a tiled grid of HTML elements. This is the base class for all tile layers and replaces `TileLayer.Canvas`. - * GridLayer can be extended to create a tiled grid of HTML elements like ``, `` or `
`. GridLayer will handle creating and animating these DOM elements for you. - * - * - * @section Synchronous usage - * @example - * - * To create a custom layer, extend GridLayer and implement the `createTile()` method, which will be passed a `Point` object with the `x`, `y`, and `z` (zoom level) coordinates to draw your tile. - * - * ```js - * var CanvasLayer = L.GridLayer.extend({ - * createTile: function(coords){ - * // create a element for drawing - * var tile = L.DomUtil.create('canvas', 'leaflet-tile'); - * - * // setup tile width and height according to the options - * var size = this.getTileSize(); - * tile.width = size.x; - * tile.height = size.y; - * - * // get a canvas context and draw something on it using coords.x, coords.y and coords.z - * var ctx = tile.getContext('2d'); - * - * // return the tile so it can be rendered on screen - * return tile; - * } - * }); - * ``` - * - * @section Asynchronous usage - * @example - * - * Tile creation can also be asynchronous, this is useful when using a third-party drawing library. Once the tile is finished drawing it can be passed to the `done()` callback. - * - * ```js - * var CanvasLayer = L.GridLayer.extend({ - * createTile: function(coords, done){ - * var error; - * - * // create a element for drawing - * var tile = L.DomUtil.create('canvas', 'leaflet-tile'); - * - * // setup tile width and height according to the options - * var size = this.getTileSize(); - * tile.width = size.x; - * tile.height = size.y; - * - * // draw something asynchronously and pass the tile to the done() callback - * setTimeout(function() { - * done(error, tile); - * }, 1000); - * - * return tile; - * } - * }); - * ``` - * - * @section - */ - - -var GridLayer = Layer.extend({ - - // @section - // @aka GridLayer options - options: { - // @option tileSize: Number|Point = 256 - // Width and height of tiles in the grid. Use a number if width and height are equal, or `L.point(width, height)` otherwise. - tileSize: 256, - - // @option opacity: Number = 1.0 - // Opacity of the tiles. Can be used in the `createTile()` function. - opacity: 1, - - // @option updateWhenIdle: Boolean = (depends) - // Load new tiles only when panning ends. - // `true` by default on mobile browsers, in order to avoid too many requests and keep smooth navigation. - // `false` otherwise in order to display new tiles _during_ panning, since it is easy to pan outside the - // [`keepBuffer`](#gridlayer-keepbuffer) option in desktop browsers. - updateWhenIdle: mobile, - - // @option updateWhenZooming: Boolean = true - // By default, a smooth zoom animation (during a [touch zoom](#map-touchzoom) or a [`flyTo()`](#map-flyto)) will update grid layers every integer zoom level. Setting this option to `false` will update the grid layer only when the smooth animation ends. - updateWhenZooming: true, - - // @option updateInterval: Number = 200 - // Tiles will not update more than once every `updateInterval` milliseconds when panning. - updateInterval: 200, - - // @option zIndex: Number = 1 - // The explicit zIndex of the tile layer. - zIndex: 1, - - // @option bounds: LatLngBounds = undefined - // If set, tiles will only be loaded inside the set `LatLngBounds`. - bounds: null, - - // @option minZoom: Number = 0 - // The minimum zoom level down to which this layer will be displayed (inclusive). - minZoom: 0, - - // @option maxZoom: Number = undefined - // The maximum zoom level up to which this layer will be displayed (inclusive). - maxZoom: undefined, - - // @option maxNativeZoom: Number = undefined - // Maximum zoom number the tile source has available. If it is specified, - // the tiles on all zoom levels higher than `maxNativeZoom` will be loaded - // from `maxNativeZoom` level and auto-scaled. - maxNativeZoom: undefined, - - // @option minNativeZoom: Number = undefined - // Minimum zoom number the tile source has available. If it is specified, - // the tiles on all zoom levels lower than `minNativeZoom` will be loaded - // from `minNativeZoom` level and auto-scaled. - minNativeZoom: undefined, - - // @option noWrap: Boolean = false - // Whether the layer is wrapped around the antimeridian. If `true`, the - // GridLayer will only be displayed once at low zoom levels. Has no - // effect when the [map CRS](#map-crs) doesn't wrap around. Can be used - // in combination with [`bounds`](#gridlayer-bounds) to prevent requesting - // tiles outside the CRS limits. - noWrap: false, - - // @option pane: String = 'tilePane' - // `Map pane` where the grid layer will be added. - pane: 'tilePane', - - // @option className: String = '' - // A custom class name to assign to the tile layer. Empty by default. - className: '', - - // @option keepBuffer: Number = 2 - // When panning the map, keep this many rows and columns of tiles before unloading them. - keepBuffer: 2 - }, - - initialize: function (options) { - setOptions(this, options); - }, - - onAdd: function () { - this._initContainer(); - - this._levels = {}; - this._tiles = {}; - - this._resetView(); - this._update(); - }, - - beforeAdd: function (map) { - map._addZoomLimit(this); - }, - - onRemove: function (map) { - this._removeAllTiles(); - remove(this._container); - map._removeZoomLimit(this); - this._container = null; - this._tileZoom = undefined; - }, - - // @method bringToFront: this - // Brings the tile layer to the top of all tile layers. - bringToFront: function () { - if (this._map) { - toFront(this._container); - this._setAutoZIndex(Math.max); - } - return this; - }, - - // @method bringToBack: this - // Brings the tile layer to the bottom of all tile layers. - bringToBack: function () { - if (this._map) { - toBack(this._container); - this._setAutoZIndex(Math.min); - } - return this; - }, - - // @method getContainer: HTMLElement - // Returns the HTML element that contains the tiles for this layer. - getContainer: function () { - return this._container; - }, - - // @method setOpacity(opacity: Number): this - // Changes the [opacity](#gridlayer-opacity) of the grid layer. - setOpacity: function (opacity) { - this.options.opacity = opacity; - this._updateOpacity(); - return this; - }, - - // @method setZIndex(zIndex: Number): this - // Changes the [zIndex](#gridlayer-zindex) of the grid layer. - setZIndex: function (zIndex) { - this.options.zIndex = zIndex; - this._updateZIndex(); - - return this; - }, - - // @method isLoading: Boolean - // Returns `true` if any tile in the grid layer has not finished loading. - isLoading: function () { - return this._loading; - }, - - // @method redraw: this - // Causes the layer to clear all the tiles and request them again. - redraw: function () { - if (this._map) { - this._removeAllTiles(); - this._update(); - } - return this; - }, - - getEvents: function () { - var events = { - viewprereset: this._invalidateAll, - viewreset: this._resetView, - zoom: this._resetView, - moveend: this._onMoveEnd - }; - - if (!this.options.updateWhenIdle) { - // update tiles on move, but not more often than once per given interval - if (!this._onMove) { - this._onMove = throttle(this._onMoveEnd, this.options.updateInterval, this); - } - - events.move = this._onMove; - } - - if (this._zoomAnimated) { - events.zoomanim = this._animateZoom; - } - - return events; - }, - - // @section Extension methods - // Layers extending `GridLayer` shall reimplement the following method. - // @method createTile(coords: Object, done?: Function): HTMLElement - // Called only internally, must be overridden by classes extending `GridLayer`. - // Returns the `HTMLElement` corresponding to the given `coords`. If the `done` callback - // is specified, it must be called when the tile has finished loading and drawing. - createTile: function () { - return document.createElement('div'); - }, - - // @section - // @method getTileSize: Point - // Normalizes the [tileSize option](#gridlayer-tilesize) into a point. Used by the `createTile()` method. - getTileSize: function () { - var s = this.options.tileSize; - return s instanceof Point ? s : new Point(s, s); - }, - - _updateZIndex: function () { - if (this._container && this.options.zIndex !== undefined && this.options.zIndex !== null) { - this._container.style.zIndex = this.options.zIndex; - } - }, - - _setAutoZIndex: function (compare) { - // go through all other layers of the same pane, set zIndex to max + 1 (front) or min - 1 (back) - - var layers = this.getPane().children, - edgeZIndex = -compare(-Infinity, Infinity); // -Infinity for max, Infinity for min - - for (var i = 0, len = layers.length, zIndex; i < len; i++) { - - zIndex = layers[i].style.zIndex; - - if (layers[i] !== this._container && zIndex) { - edgeZIndex = compare(edgeZIndex, +zIndex); - } - } - - if (isFinite(edgeZIndex)) { - this.options.zIndex = edgeZIndex + compare(-1, 1); - this._updateZIndex(); - } - }, - - _updateOpacity: function () { - if (!this._map) { return; } - - // IE doesn't inherit filter opacity properly, so we're forced to set it on tiles - if (ielt9) { return; } - - setOpacity(this._container, this.options.opacity); - - var now = +new Date(), - nextFrame = false, - willPrune = false; - - for (var key in this._tiles) { - var tile = this._tiles[key]; - if (!tile.current || !tile.loaded) { continue; } - - var fade = Math.min(1, (now - tile.loaded) / 200); - - setOpacity(tile.el, fade); - if (fade < 1) { - nextFrame = true; - } else { - if (tile.active) { - willPrune = true; - } else { - this._onOpaqueTile(tile); - } - tile.active = true; - } - } - - if (willPrune && !this._noPrune) { this._pruneTiles(); } - - if (nextFrame) { - cancelAnimFrame(this._fadeFrame); - this._fadeFrame = requestAnimFrame(this._updateOpacity, this); - } - }, - - _onOpaqueTile: falseFn, - - _initContainer: function () { - if (this._container) { return; } - - this._container = create$1('div', 'leaflet-layer ' + (this.options.className || '')); - this._updateZIndex(); - - if (this.options.opacity < 1) { - this._updateOpacity(); - } - - this.getPane().appendChild(this._container); - }, - - _updateLevels: function () { - - var zoom = this._tileZoom, - maxZoom = this.options.maxZoom; - - if (zoom === undefined) { return undefined; } - - for (var z in this._levels) { - if (this._levels[z].el.children.length || z === zoom) { - this._levels[z].el.style.zIndex = maxZoom - Math.abs(zoom - z); - this._onUpdateLevel(z); - } else { - remove(this._levels[z].el); - this._removeTilesAtZoom(z); - this._onRemoveLevel(z); - delete this._levels[z]; - } - } - - var level = this._levels[zoom], - map = this._map; - - if (!level) { - level = this._levels[zoom] = {}; - - level.el = create$1('div', 'leaflet-tile-container leaflet-zoom-animated', this._container); - level.el.style.zIndex = maxZoom; - - level.origin = map.project(map.unproject(map.getPixelOrigin()), zoom).round(); - level.zoom = zoom; - - this._setZoomTransform(level, map.getCenter(), map.getZoom()); - - // force the browser to consider the newly added element for transition - falseFn(level.el.offsetWidth); - - this._onCreateLevel(level); - } - - this._level = level; - - return level; - }, - - _onUpdateLevel: falseFn, - - _onRemoveLevel: falseFn, - - _onCreateLevel: falseFn, - - _pruneTiles: function () { - if (!this._map) { - return; - } - - var key, tile; - - var zoom = this._map.getZoom(); - if (zoom > this.options.maxZoom || - zoom < this.options.minZoom) { - this._removeAllTiles(); - return; - } - - for (key in this._tiles) { - tile = this._tiles[key]; - tile.retain = tile.current; - } - - for (key in this._tiles) { - tile = this._tiles[key]; - if (tile.current && !tile.active) { - var coords = tile.coords; - if (!this._retainParent(coords.x, coords.y, coords.z, coords.z - 5)) { - this._retainChildren(coords.x, coords.y, coords.z, coords.z + 2); - } - } - } - - for (key in this._tiles) { - if (!this._tiles[key].retain) { - this._removeTile(key); - } - } - }, - - _removeTilesAtZoom: function (zoom) { - for (var key in this._tiles) { - if (this._tiles[key].coords.z !== zoom) { - continue; - } - this._removeTile(key); - } - }, - - _removeAllTiles: function () { - for (var key in this._tiles) { - this._removeTile(key); - } - }, - - _invalidateAll: function () { - for (var z in this._levels) { - remove(this._levels[z].el); - this._onRemoveLevel(z); - delete this._levels[z]; - } - this._removeAllTiles(); - - this._tileZoom = undefined; - }, - - _retainParent: function (x, y, z, minZoom) { - var x2 = Math.floor(x / 2), - y2 = Math.floor(y / 2), - z2 = z - 1, - coords2 = new Point(+x2, +y2); - coords2.z = +z2; - - var key = this._tileCoordsToKey(coords2), - tile = this._tiles[key]; - - if (tile && tile.active) { - tile.retain = true; - return true; - - } else if (tile && tile.loaded) { - tile.retain = true; - } - - if (z2 > minZoom) { - return this._retainParent(x2, y2, z2, minZoom); - } - - return false; - }, - - _retainChildren: function (x, y, z, maxZoom) { - - for (var i = 2 * x; i < 2 * x + 2; i++) { - for (var j = 2 * y; j < 2 * y + 2; j++) { - - var coords = new Point(i, j); - coords.z = z + 1; - - var key = this._tileCoordsToKey(coords), - tile = this._tiles[key]; - - if (tile && tile.active) { - tile.retain = true; - continue; - - } else if (tile && tile.loaded) { - tile.retain = true; - } - - if (z + 1 < maxZoom) { - this._retainChildren(i, j, z + 1, maxZoom); - } - } - } - }, - - _resetView: function (e) { - var animating = e && (e.pinch || e.flyTo); - this._setView(this._map.getCenter(), this._map.getZoom(), animating, animating); - }, - - _animateZoom: function (e) { - this._setView(e.center, e.zoom, true, e.noUpdate); - }, - - _clampZoom: function (zoom) { - var options = this.options; - - if (undefined !== options.minNativeZoom && zoom < options.minNativeZoom) { - return options.minNativeZoom; - } - - if (undefined !== options.maxNativeZoom && options.maxNativeZoom < zoom) { - return options.maxNativeZoom; - } - - return zoom; - }, - - _setView: function (center, zoom, noPrune, noUpdate) { - var tileZoom = this._clampZoom(Math.round(zoom)); - if ((this.options.maxZoom !== undefined && tileZoom > this.options.maxZoom) || - (this.options.minZoom !== undefined && tileZoom < this.options.minZoom)) { - tileZoom = undefined; - } - - var tileZoomChanged = this.options.updateWhenZooming && (tileZoom !== this._tileZoom); - - if (!noUpdate || tileZoomChanged) { - - this._tileZoom = tileZoom; - - if (this._abortLoading) { - this._abortLoading(); - } - - this._updateLevels(); - this._resetGrid(); - - if (tileZoom !== undefined) { - this._update(center); - } - - if (!noPrune) { - this._pruneTiles(); - } - - // Flag to prevent _updateOpacity from pruning tiles during - // a zoom anim or a pinch gesture - this._noPrune = !!noPrune; - } - - this._setZoomTransforms(center, zoom); - }, - - _setZoomTransforms: function (center, zoom) { - for (var i in this._levels) { - this._setZoomTransform(this._levels[i], center, zoom); - } - }, - - _setZoomTransform: function (level, center, zoom) { - var scale = this._map.getZoomScale(zoom, level.zoom), - translate = level.origin.multiplyBy(scale) - .subtract(this._map._getNewPixelOrigin(center, zoom)).round(); - - if (any3d) { - setTransform(level.el, translate, scale); - } else { - setPosition(level.el, translate); - } - }, - - _resetGrid: function () { - var map = this._map, - crs = map.options.crs, - tileSize = this._tileSize = this.getTileSize(), - tileZoom = this._tileZoom; - - var bounds = this._map.getPixelWorldBounds(this._tileZoom); - if (bounds) { - this._globalTileRange = this._pxBoundsToTileRange(bounds); - } - - this._wrapX = crs.wrapLng && !this.options.noWrap && [ - Math.floor(map.project([0, crs.wrapLng[0]], tileZoom).x / tileSize.x), - Math.ceil(map.project([0, crs.wrapLng[1]], tileZoom).x / tileSize.y) - ]; - this._wrapY = crs.wrapLat && !this.options.noWrap && [ - Math.floor(map.project([crs.wrapLat[0], 0], tileZoom).y / tileSize.x), - Math.ceil(map.project([crs.wrapLat[1], 0], tileZoom).y / tileSize.y) - ]; - }, - - _onMoveEnd: function () { - if (!this._map || this._map._animatingZoom) { return; } - - this._update(); - }, - - _getTiledPixelBounds: function (center) { - var map = this._map, - mapZoom = map._animatingZoom ? Math.max(map._animateToZoom, map.getZoom()) : map.getZoom(), - scale = map.getZoomScale(mapZoom, this._tileZoom), - pixelCenter = map.project(center, this._tileZoom).floor(), - halfSize = map.getSize().divideBy(scale * 2); - - return new Bounds(pixelCenter.subtract(halfSize), pixelCenter.add(halfSize)); - }, - - // Private method to load tiles in the grid's active zoom level according to map bounds - _update: function (center) { - var map = this._map; - if (!map) { return; } - var zoom = this._clampZoom(map.getZoom()); - - if (center === undefined) { center = map.getCenter(); } - if (this._tileZoom === undefined) { return; } // if out of minzoom/maxzoom - - var pixelBounds = this._getTiledPixelBounds(center), - tileRange = this._pxBoundsToTileRange(pixelBounds), - tileCenter = tileRange.getCenter(), - queue = [], - margin = this.options.keepBuffer, - noPruneRange = new Bounds(tileRange.getBottomLeft().subtract([margin, -margin]), - tileRange.getTopRight().add([margin, -margin])); - - // Sanity check: panic if the tile range contains Infinity somewhere. - if (!(isFinite(tileRange.min.x) && - isFinite(tileRange.min.y) && - isFinite(tileRange.max.x) && - isFinite(tileRange.max.y))) { throw new Error('Attempted to load an infinite number of tiles'); } - - for (var key in this._tiles) { - var c = this._tiles[key].coords; - if (c.z !== this._tileZoom || !noPruneRange.contains(new Point(c.x, c.y))) { - this._tiles[key].current = false; - } - } - - // _update just loads more tiles. If the tile zoom level differs too much - // from the map's, let _setView reset levels and prune old tiles. - if (Math.abs(zoom - this._tileZoom) > 1) { this._setView(center, zoom); return; } - - // create a queue of coordinates to load tiles from - for (var j = tileRange.min.y; j <= tileRange.max.y; j++) { - for (var i = tileRange.min.x; i <= tileRange.max.x; i++) { - var coords = new Point(i, j); - coords.z = this._tileZoom; - - if (!this._isValidTile(coords)) { continue; } - - var tile = this._tiles[this._tileCoordsToKey(coords)]; - if (tile) { - tile.current = true; - } else { - queue.push(coords); - } - } - } - - // sort tile queue to load tiles in order of their distance to center - queue.sort(function (a, b) { - return a.distanceTo(tileCenter) - b.distanceTo(tileCenter); - }); - - if (queue.length !== 0) { - // if it's the first batch of tiles to load - if (!this._loading) { - this._loading = true; - // @event loading: Event - // Fired when the grid layer starts loading tiles. - this.fire('loading'); - } - - // create DOM fragment to append tiles in one batch - var fragment = document.createDocumentFragment(); - - for (i = 0; i < queue.length; i++) { - this._addTile(queue[i], fragment); - } - - this._level.el.appendChild(fragment); - } - }, - - _isValidTile: function (coords) { - var crs = this._map.options.crs; - - if (!crs.infinite) { - // don't load tile if it's out of bounds and not wrapped - var bounds = this._globalTileRange; - if ((!crs.wrapLng && (coords.x < bounds.min.x || coords.x > bounds.max.x)) || - (!crs.wrapLat && (coords.y < bounds.min.y || coords.y > bounds.max.y))) { return false; } - } - - if (!this.options.bounds) { return true; } - - // don't load tile if it doesn't intersect the bounds in options - var tileBounds = this._tileCoordsToBounds(coords); - return toLatLngBounds(this.options.bounds).overlaps(tileBounds); - }, - - _keyToBounds: function (key) { - return this._tileCoordsToBounds(this._keyToTileCoords(key)); - }, - - _tileCoordsToNwSe: function (coords) { - var map = this._map, - tileSize = this.getTileSize(), - nwPoint = coords.scaleBy(tileSize), - sePoint = nwPoint.add(tileSize), - nw = map.unproject(nwPoint, coords.z), - se = map.unproject(sePoint, coords.z); - return [nw, se]; - }, - - // converts tile coordinates to its geographical bounds - _tileCoordsToBounds: function (coords) { - var bp = this._tileCoordsToNwSe(coords), - bounds = new LatLngBounds(bp[0], bp[1]); - - if (!this.options.noWrap) { - bounds = this._map.wrapLatLngBounds(bounds); - } - return bounds; - }, - // converts tile coordinates to key for the tile cache - _tileCoordsToKey: function (coords) { - return coords.x + ':' + coords.y + ':' + coords.z; - }, - - // converts tile cache key to coordinates - _keyToTileCoords: function (key) { - var k = key.split(':'), - coords = new Point(+k[0], +k[1]); - coords.z = +k[2]; - return coords; - }, - - _removeTile: function (key) { - var tile = this._tiles[key]; - if (!tile) { return; } - - remove(tile.el); - - delete this._tiles[key]; - - // @event tileunload: TileEvent - // Fired when a tile is removed (e.g. when a tile goes off the screen). - this.fire('tileunload', { - tile: tile.el, - coords: this._keyToTileCoords(key) - }); - }, - - _initTile: function (tile) { - addClass(tile, 'leaflet-tile'); - - var tileSize = this.getTileSize(); - tile.style.width = tileSize.x + 'px'; - tile.style.height = tileSize.y + 'px'; - - tile.onselectstart = falseFn; - tile.onmousemove = falseFn; - - // update opacity on tiles in IE7-8 because of filter inheritance problems - if (ielt9 && this.options.opacity < 1) { - setOpacity(tile, this.options.opacity); - } - - // without this hack, tiles disappear after zoom on Chrome for Android - // https://github.com/Leaflet/Leaflet/issues/2078 - if (android && !android23) { - tile.style.WebkitBackfaceVisibility = 'hidden'; - } - }, - - _addTile: function (coords, container) { - var tilePos = this._getTilePos(coords), - key = this._tileCoordsToKey(coords); - - var tile = this.createTile(this._wrapCoords(coords), bind(this._tileReady, this, coords)); - - this._initTile(tile); - - // if createTile is defined with a second argument ("done" callback), - // we know that tile is async and will be ready later; otherwise - if (this.createTile.length < 2) { - // mark tile as ready, but delay one frame for opacity animation to happen - requestAnimFrame(bind(this._tileReady, this, coords, null, tile)); - } - - setPosition(tile, tilePos); - - // save tile in cache - this._tiles[key] = { - el: tile, - coords: coords, - current: true - }; - - container.appendChild(tile); - // @event tileloadstart: TileEvent - // Fired when a tile is requested and starts loading. - this.fire('tileloadstart', { - tile: tile, - coords: coords - }); - }, - - _tileReady: function (coords, err, tile) { - if (err) { - // @event tileerror: TileErrorEvent - // Fired when there is an error loading a tile. - this.fire('tileerror', { - error: err, - tile: tile, - coords: coords - }); - } - - var key = this._tileCoordsToKey(coords); - - tile = this._tiles[key]; - if (!tile) { return; } - - tile.loaded = +new Date(); - if (this._map._fadeAnimated) { - setOpacity(tile.el, 0); - cancelAnimFrame(this._fadeFrame); - this._fadeFrame = requestAnimFrame(this._updateOpacity, this); - } else { - tile.active = true; - this._pruneTiles(); - } - - if (!err) { - addClass(tile.el, 'leaflet-tile-loaded'); - - // @event tileload: TileEvent - // Fired when a tile loads. - this.fire('tileload', { - tile: tile.el, - coords: coords - }); - } - - if (this._noTilesToLoad()) { - this._loading = false; - // @event load: Event - // Fired when the grid layer loaded all visible tiles. - this.fire('load'); - - if (ielt9 || !this._map._fadeAnimated) { - requestAnimFrame(this._pruneTiles, this); - } else { - // Wait a bit more than 0.2 secs (the duration of the tile fade-in) - // to trigger a pruning. - setTimeout(bind(this._pruneTiles, this), 250); - } - } - }, - - _getTilePos: function (coords) { - return coords.scaleBy(this.getTileSize()).subtract(this._level.origin); - }, - - _wrapCoords: function (coords) { - var newCoords = new Point( - this._wrapX ? wrapNum(coords.x, this._wrapX) : coords.x, - this._wrapY ? wrapNum(coords.y, this._wrapY) : coords.y); - newCoords.z = coords.z; - return newCoords; - }, - - _pxBoundsToTileRange: function (bounds) { - var tileSize = this.getTileSize(); - return new Bounds( - bounds.min.unscaleBy(tileSize).floor(), - bounds.max.unscaleBy(tileSize).ceil().subtract([1, 1])); - }, - - _noTilesToLoad: function () { - for (var key in this._tiles) { - if (!this._tiles[key].loaded) { return false; } - } - return true; - } -}); - -// @factory L.gridLayer(options?: GridLayer options) -// Creates a new instance of GridLayer with the supplied options. -function gridLayer(options) { - return new GridLayer(options); -} - +}); + +/* + * @class Tooltip + * @inherits DivOverlay + * @aka L.Tooltip + * Used to display small texts on top of map layers. + * + * @example + * + * ```js + * marker.bindTooltip("my tooltip text").openTooltip(); + * ``` + * Note about tooltip offset. Leaflet takes two options in consideration + * for computing tooltip offsetting: + * - the `offset` Tooltip option: it defaults to [0, 0], and it's specific to one tooltip. + * Add a positive x offset to move the tooltip to the right, and a positive y offset to + * move it to the bottom. Negatives will move to the left and top. + * - the `tooltipAnchor` Icon option: this will only be considered for Marker. You + * should adapt this value if you use a custom icon. + */ + + +// @namespace Tooltip +var Tooltip = DivOverlay.extend({ + + // @section + // @aka Tooltip options + options: { + // @option pane: String = 'tooltipPane' + // `Map pane` where the tooltip will be added. + pane: 'tooltipPane', + + // @option offset: Point = Point(0, 0) + // Optional offset of the tooltip position. + offset: [0, 0], + + // @option direction: String = 'auto' + // Direction where to open the tooltip. Possible values are: `right`, `left`, + // `top`, `bottom`, `center`, `auto`. + // `auto` will dynamically switch between `right` and `left` according to the tooltip + // position on the map. + direction: 'auto', + + // @option permanent: Boolean = false + // Whether to open the tooltip permanently or only on mouseover. + permanent: false, + + // @option sticky: Boolean = false + // If true, the tooltip will follow the mouse instead of being fixed at the feature center. + sticky: false, + + // @option interactive: Boolean = false + // If true, the tooltip will listen to the feature events. + interactive: false, + + // @option opacity: Number = 0.9 + // Tooltip container opacity. + opacity: 0.9 + }, + + onAdd: function (map) { + DivOverlay.prototype.onAdd.call(this, map); + this.setOpacity(this.options.opacity); + + // @namespace Map + // @section Tooltip events + // @event tooltipopen: TooltipEvent + // Fired when a tooltip is opened in the map. + map.fire('tooltipopen', {tooltip: this}); + + if (this._source) { + // @namespace Layer + // @section Tooltip events + // @event tooltipopen: TooltipEvent + // Fired when a tooltip bound to this layer is opened. + this._source.fire('tooltipopen', {tooltip: this}, true); + } + }, + + onRemove: function (map) { + DivOverlay.prototype.onRemove.call(this, map); + + // @namespace Map + // @section Tooltip events + // @event tooltipclose: TooltipEvent + // Fired when a tooltip in the map is closed. + map.fire('tooltipclose', {tooltip: this}); + + if (this._source) { + // @namespace Layer + // @section Tooltip events + // @event tooltipclose: TooltipEvent + // Fired when a tooltip bound to this layer is closed. + this._source.fire('tooltipclose', {tooltip: this}, true); + } + }, + + getEvents: function () { + var events = DivOverlay.prototype.getEvents.call(this); + + if (touch && !this.options.permanent) { + events.preclick = this._close; + } + + return events; + }, + + _close: function () { + if (this._map) { + this._map.closeTooltip(this); + } + }, + + _initLayout: function () { + var prefix = 'leaflet-tooltip', + className = prefix + ' ' + (this.options.className || '') + ' leaflet-zoom-' + (this._zoomAnimated ? 'animated' : 'hide'); + + this._contentNode = this._container = create$1('div', className); + }, + + _updateLayout: function () {}, + + _adjustPan: function () {}, + + _setPosition: function (pos) { + var map = this._map, + container = this._container, + centerPoint = map.latLngToContainerPoint(map.getCenter()), + tooltipPoint = map.layerPointToContainerPoint(pos), + direction = this.options.direction, + tooltipWidth = container.offsetWidth, + tooltipHeight = container.offsetHeight, + offset = toPoint(this.options.offset), + anchor = this._getAnchor(); + + if (direction === 'top') { + pos = pos.add(toPoint(-tooltipWidth / 2 + offset.x, -tooltipHeight + offset.y + anchor.y, true)); + } else if (direction === 'bottom') { + pos = pos.subtract(toPoint(tooltipWidth / 2 - offset.x, -offset.y, true)); + } else if (direction === 'center') { + pos = pos.subtract(toPoint(tooltipWidth / 2 + offset.x, tooltipHeight / 2 - anchor.y + offset.y, true)); + } else if (direction === 'right' || direction === 'auto' && tooltipPoint.x < centerPoint.x) { + direction = 'right'; + pos = pos.add(toPoint(offset.x + anchor.x, anchor.y - tooltipHeight / 2 + offset.y, true)); + } else { + direction = 'left'; + pos = pos.subtract(toPoint(tooltipWidth + anchor.x - offset.x, tooltipHeight / 2 - anchor.y - offset.y, true)); + } + + removeClass(container, 'leaflet-tooltip-right'); + removeClass(container, 'leaflet-tooltip-left'); + removeClass(container, 'leaflet-tooltip-top'); + removeClass(container, 'leaflet-tooltip-bottom'); + addClass(container, 'leaflet-tooltip-' + direction); + setPosition(container, pos); + }, + + _updatePosition: function () { + var pos = this._map.latLngToLayerPoint(this._latlng); + this._setPosition(pos); + }, + + setOpacity: function (opacity) { + this.options.opacity = opacity; + + if (this._container) { + setOpacity(this._container, opacity); + } + }, + + _animateZoom: function (e) { + var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center); + this._setPosition(pos); + }, + + _getAnchor: function () { + // Where should we anchor the tooltip on the source layer? + return toPoint(this._source && this._source._getTooltipAnchor && !this.options.sticky ? this._source._getTooltipAnchor() : [0, 0]); + } + +}); + +// @namespace Tooltip +// @factory L.tooltip(options?: Tooltip options, source?: Layer) +// Instantiates a Tooltip object given an optional `options` object that describes its appearance and location and an optional `source` object that is used to tag the tooltip with a reference to the Layer to which it refers. +var tooltip = function (options, source) { + return new Tooltip(options, source); +}; + +// @namespace Map +// @section Methods for Layers and Controls +Map.include({ + + // @method openTooltip(tooltip: Tooltip): this + // Opens the specified tooltip. + // @alternative + // @method openTooltip(content: String|HTMLElement, latlng: LatLng, options?: Tooltip options): this + // Creates a tooltip with the specified content and options and open it. + openTooltip: function (tooltip, latlng, options) { + if (!(tooltip instanceof Tooltip)) { + tooltip = new Tooltip(options).setContent(tooltip); + } + + if (latlng) { + tooltip.setLatLng(latlng); + } + + if (this.hasLayer(tooltip)) { + return this; + } + + return this.addLayer(tooltip); + }, + + // @method closeTooltip(tooltip?: Tooltip): this + // Closes the tooltip given as parameter. + closeTooltip: function (tooltip) { + if (tooltip) { + this.removeLayer(tooltip); + } + return this; + } + +}); + +/* + * @namespace Layer + * @section Tooltip methods example + * + * All layers share a set of methods convenient for binding tooltips to it. + * + * ```js + * var layer = L.Polygon(latlngs).bindTooltip('Hi There!').addTo(map); + * layer.openTooltip(); + * layer.closeTooltip(); + * ``` + */ + +// @section Tooltip methods +Layer.include({ + + // @method bindTooltip(content: String|HTMLElement|Function|Tooltip, options?: Tooltip options): this + // Binds a tooltip to the layer with the passed `content` and sets up the + // necessary event listeners. If a `Function` is passed it will receive + // the layer as the first argument and should return a `String` or `HTMLElement`. + bindTooltip: function (content, options) { + + if (content instanceof Tooltip) { + setOptions(content, options); + this._tooltip = content; + content._source = this; + } else { + if (!this._tooltip || options) { + this._tooltip = new Tooltip(options, this); + } + this._tooltip.setContent(content); + + } + + this._initTooltipInteractions(); + + if (this._tooltip.options.permanent && this._map && this._map.hasLayer(this)) { + this.openTooltip(); + } + + return this; + }, + + // @method unbindTooltip(): this + // Removes the tooltip previously bound with `bindTooltip`. + unbindTooltip: function () { + if (this._tooltip) { + this._initTooltipInteractions(true); + this.closeTooltip(); + this._tooltip = null; + } + return this; + }, + + _initTooltipInteractions: function (remove$$1) { + if (!remove$$1 && this._tooltipHandlersAdded) { return; } + var onOff = remove$$1 ? 'off' : 'on', + events = { + remove: this.closeTooltip, + move: this._moveTooltip + }; + if (!this._tooltip.options.permanent) { + events.mouseover = this._openTooltip; + events.mouseout = this.closeTooltip; + if (this._tooltip.options.sticky) { + events.mousemove = this._moveTooltip; + } + if (touch) { + events.click = this._openTooltip; + } + } else { + events.add = this._openTooltip; + } + this[onOff](events); + this._tooltipHandlersAdded = !remove$$1; + }, + + // @method openTooltip(latlng?: LatLng): this + // Opens the bound tooltip at the specified `latlng` or at the default tooltip anchor if no `latlng` is passed. + openTooltip: function (layer, latlng) { + if (!(layer instanceof Layer)) { + latlng = layer; + layer = this; + } + + if (layer instanceof FeatureGroup) { + for (var id in this._layers) { + layer = this._layers[id]; + break; + } + } + + if (!latlng) { + latlng = layer.getCenter ? layer.getCenter() : layer.getLatLng(); + } + + if (this._tooltip && this._map) { + + // set tooltip source to this layer + this._tooltip._source = layer; + + // update the tooltip (content, layout, ect...) + this._tooltip.update(); + + // open the tooltip on the map + this._map.openTooltip(this._tooltip, latlng); + + // Tooltip container may not be defined if not permanent and never + // opened. + if (this._tooltip.options.interactive && this._tooltip._container) { + addClass(this._tooltip._container, 'leaflet-clickable'); + this.addInteractiveTarget(this._tooltip._container); + } + } + + return this; + }, + + // @method closeTooltip(): this + // Closes the tooltip bound to this layer if it is open. + closeTooltip: function () { + if (this._tooltip) { + this._tooltip._close(); + if (this._tooltip.options.interactive && this._tooltip._container) { + removeClass(this._tooltip._container, 'leaflet-clickable'); + this.removeInteractiveTarget(this._tooltip._container); + } + } + return this; + }, + + // @method toggleTooltip(): this + // Opens or closes the tooltip bound to this layer depending on its current state. + toggleTooltip: function (target) { + if (this._tooltip) { + if (this._tooltip._map) { + this.closeTooltip(); + } else { + this.openTooltip(target); + } + } + return this; + }, + + // @method isTooltipOpen(): boolean + // Returns `true` if the tooltip bound to this layer is currently open. + isTooltipOpen: function () { + return this._tooltip.isOpen(); + }, + + // @method setTooltipContent(content: String|HTMLElement|Tooltip): this + // Sets the content of the tooltip bound to this layer. + setTooltipContent: function (content) { + if (this._tooltip) { + this._tooltip.setContent(content); + } + return this; + }, + + // @method getTooltip(): Tooltip + // Returns the tooltip bound to this layer. + getTooltip: function () { + return this._tooltip; + }, + + _openTooltip: function (e) { + var layer = e.layer || e.target; + + if (!this._tooltip || !this._map) { + return; + } + this.openTooltip(layer, this._tooltip.options.sticky ? e.latlng : undefined); + }, + + _moveTooltip: function (e) { + var latlng = e.latlng, containerPoint, layerPoint; + if (this._tooltip.options.sticky && e.originalEvent) { + containerPoint = this._map.mouseEventToContainerPoint(e.originalEvent); + layerPoint = this._map.containerPointToLayerPoint(containerPoint); + latlng = this._map.layerPointToLatLng(layerPoint); + } + this._tooltip.setLatLng(latlng); + } +}); + +/* + * @class DivIcon + * @aka L.DivIcon + * @inherits Icon + * + * Represents a lightweight icon for markers that uses a simple `
` + * element instead of an image. Inherits from `Icon` but ignores the `iconUrl` and shadow options. + * + * @example + * ```js + * var myIcon = L.divIcon({className: 'my-div-icon'}); + * // you can set .my-div-icon styles in CSS + * + * L.marker([50.505, 30.57], {icon: myIcon}).addTo(map); + * ``` + * + * By default, it has a 'leaflet-div-icon' CSS class and is styled as a little white square with a shadow. + */ + +var DivIcon = Icon.extend({ + options: { + // @section + // @aka DivIcon options + iconSize: [12, 12], // also can be set through CSS + + // iconAnchor: (Point), + // popupAnchor: (Point), + + // @option html: String = '' + // Custom HTML code to put inside the div element, empty by default. + html: false, + + // @option bgPos: Point = [0, 0] + // Optional relative position of the background, in pixels + bgPos: null, + + className: 'leaflet-div-icon' + }, + + createIcon: function (oldIcon) { + var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'), + options = this.options; + + div.innerHTML = options.html !== false ? options.html : ''; + + if (options.bgPos) { + var bgPos = toPoint(options.bgPos); + div.style.backgroundPosition = (-bgPos.x) + 'px ' + (-bgPos.y) + 'px'; + } + this._setIconStyles(div, 'icon'); + + return div; + }, + + createShadow: function () { + return null; + } +}); + +// @factory L.divIcon(options: DivIcon options) +// Creates a `DivIcon` instance with the given options. +function divIcon(options) { + return new DivIcon(options); +} + +Icon.Default = IconDefault; + +/* + * @class GridLayer + * @inherits Layer + * @aka L.GridLayer + * + * Generic class for handling a tiled grid of HTML elements. This is the base class for all tile layers and replaces `TileLayer.Canvas`. + * GridLayer can be extended to create a tiled grid of HTML elements like ``, `` or `
`. GridLayer will handle creating and animating these DOM elements for you. + * + * + * @section Synchronous usage + * @example + * + * To create a custom layer, extend GridLayer and implement the `createTile()` method, which will be passed a `Point` object with the `x`, `y`, and `z` (zoom level) coordinates to draw your tile. + * + * ```js + * var CanvasLayer = L.GridLayer.extend({ + * createTile: function(coords){ + * // create a element for drawing + * var tile = L.DomUtil.create('canvas', 'leaflet-tile'); + * + * // setup tile width and height according to the options + * var size = this.getTileSize(); + * tile.width = size.x; + * tile.height = size.y; + * + * // get a canvas context and draw something on it using coords.x, coords.y and coords.z + * var ctx = tile.getContext('2d'); + * + * // return the tile so it can be rendered on screen + * return tile; + * } + * }); + * ``` + * + * @section Asynchronous usage + * @example + * + * Tile creation can also be asynchronous, this is useful when using a third-party drawing library. Once the tile is finished drawing it can be passed to the `done()` callback. + * + * ```js + * var CanvasLayer = L.GridLayer.extend({ + * createTile: function(coords, done){ + * var error; + * + * // create a element for drawing + * var tile = L.DomUtil.create('canvas', 'leaflet-tile'); + * + * // setup tile width and height according to the options + * var size = this.getTileSize(); + * tile.width = size.x; + * tile.height = size.y; + * + * // draw something asynchronously and pass the tile to the done() callback + * setTimeout(function() { + * done(error, tile); + * }, 1000); + * + * return tile; + * } + * }); + * ``` + * + * @section + */ + + +var GridLayer = Layer.extend({ + + // @section + // @aka GridLayer options + options: { + // @option tileSize: Number|Point = 256 + // Width and height of tiles in the grid. Use a number if width and height are equal, or `L.point(width, height)` otherwise. + tileSize: 256, + + // @option opacity: Number = 1.0 + // Opacity of the tiles. Can be used in the `createTile()` function. + opacity: 1, + + // @option updateWhenIdle: Boolean = (depends) + // Load new tiles only when panning ends. + // `true` by default on mobile browsers, in order to avoid too many requests and keep smooth navigation. + // `false` otherwise in order to display new tiles _during_ panning, since it is easy to pan outside the + // [`keepBuffer`](#gridlayer-keepbuffer) option in desktop browsers. + updateWhenIdle: mobile, + + // @option updateWhenZooming: Boolean = true + // By default, a smooth zoom animation (during a [touch zoom](#map-touchzoom) or a [`flyTo()`](#map-flyto)) will update grid layers every integer zoom level. Setting this option to `false` will update the grid layer only when the smooth animation ends. + updateWhenZooming: true, + + // @option updateInterval: Number = 200 + // Tiles will not update more than once every `updateInterval` milliseconds when panning. + updateInterval: 200, + + // @option zIndex: Number = 1 + // The explicit zIndex of the tile layer. + zIndex: 1, + + // @option bounds: LatLngBounds = undefined + // If set, tiles will only be loaded inside the set `LatLngBounds`. + bounds: null, + + // @option minZoom: Number = 0 + // The minimum zoom level down to which this layer will be displayed (inclusive). + minZoom: 0, + + // @option maxZoom: Number = undefined + // The maximum zoom level up to which this layer will be displayed (inclusive). + maxZoom: undefined, + + // @option maxNativeZoom: Number = undefined + // Maximum zoom number the tile source has available. If it is specified, + // the tiles on all zoom levels higher than `maxNativeZoom` will be loaded + // from `maxNativeZoom` level and auto-scaled. + maxNativeZoom: undefined, + + // @option minNativeZoom: Number = undefined + // Minimum zoom number the tile source has available. If it is specified, + // the tiles on all zoom levels lower than `minNativeZoom` will be loaded + // from `minNativeZoom` level and auto-scaled. + minNativeZoom: undefined, + + // @option noWrap: Boolean = false + // Whether the layer is wrapped around the antimeridian. If `true`, the + // GridLayer will only be displayed once at low zoom levels. Has no + // effect when the [map CRS](#map-crs) doesn't wrap around. Can be used + // in combination with [`bounds`](#gridlayer-bounds) to prevent requesting + // tiles outside the CRS limits. + noWrap: false, + + // @option pane: String = 'tilePane' + // `Map pane` where the grid layer will be added. + pane: 'tilePane', + + // @option className: String = '' + // A custom class name to assign to the tile layer. Empty by default. + className: '', + + // @option keepBuffer: Number = 2 + // When panning the map, keep this many rows and columns of tiles before unloading them. + keepBuffer: 2 + }, + + initialize: function (options) { + setOptions(this, options); + }, + + onAdd: function () { + this._initContainer(); + + this._levels = {}; + this._tiles = {}; + + this._resetView(); + this._update(); + }, + + beforeAdd: function (map) { + map._addZoomLimit(this); + }, + + onRemove: function (map) { + this._removeAllTiles(); + remove(this._container); + map._removeZoomLimit(this); + this._container = null; + this._tileZoom = undefined; + }, + + // @method bringToFront: this + // Brings the tile layer to the top of all tile layers. + bringToFront: function () { + if (this._map) { + toFront(this._container); + this._setAutoZIndex(Math.max); + } + return this; + }, + + // @method bringToBack: this + // Brings the tile layer to the bottom of all tile layers. + bringToBack: function () { + if (this._map) { + toBack(this._container); + this._setAutoZIndex(Math.min); + } + return this; + }, + + // @method getContainer: HTMLElement + // Returns the HTML element that contains the tiles for this layer. + getContainer: function () { + return this._container; + }, + + // @method setOpacity(opacity: Number): this + // Changes the [opacity](#gridlayer-opacity) of the grid layer. + setOpacity: function (opacity) { + this.options.opacity = opacity; + this._updateOpacity(); + return this; + }, + + // @method setZIndex(zIndex: Number): this + // Changes the [zIndex](#gridlayer-zindex) of the grid layer. + setZIndex: function (zIndex) { + this.options.zIndex = zIndex; + this._updateZIndex(); + + return this; + }, + + // @method isLoading: Boolean + // Returns `true` if any tile in the grid layer has not finished loading. + isLoading: function () { + return this._loading; + }, + + // @method redraw: this + // Causes the layer to clear all the tiles and request them again. + redraw: function () { + if (this._map) { + this._removeAllTiles(); + this._update(); + } + return this; + }, + + getEvents: function () { + var events = { + viewprereset: this._invalidateAll, + viewreset: this._resetView, + zoom: this._resetView, + moveend: this._onMoveEnd + }; + + if (!this.options.updateWhenIdle) { + // update tiles on move, but not more often than once per given interval + if (!this._onMove) { + this._onMove = throttle(this._onMoveEnd, this.options.updateInterval, this); + } + + events.move = this._onMove; + } + + if (this._zoomAnimated) { + events.zoomanim = this._animateZoom; + } + + return events; + }, + + // @section Extension methods + // Layers extending `GridLayer` shall reimplement the following method. + // @method createTile(coords: Object, done?: Function): HTMLElement + // Called only internally, must be overridden by classes extending `GridLayer`. + // Returns the `HTMLElement` corresponding to the given `coords`. If the `done` callback + // is specified, it must be called when the tile has finished loading and drawing. + createTile: function () { + return document.createElement('div'); + }, + + // @section + // @method getTileSize: Point + // Normalizes the [tileSize option](#gridlayer-tilesize) into a point. Used by the `createTile()` method. + getTileSize: function () { + var s = this.options.tileSize; + return s instanceof Point ? s : new Point(s, s); + }, + + _updateZIndex: function () { + if (this._container && this.options.zIndex !== undefined && this.options.zIndex !== null) { + this._container.style.zIndex = this.options.zIndex; + } + }, + + _setAutoZIndex: function (compare) { + // go through all other layers of the same pane, set zIndex to max + 1 (front) or min - 1 (back) + + var layers = this.getPane().children, + edgeZIndex = -compare(-Infinity, Infinity); // -Infinity for max, Infinity for min + + for (var i = 0, len = layers.length, zIndex; i < len; i++) { + + zIndex = layers[i].style.zIndex; + + if (layers[i] !== this._container && zIndex) { + edgeZIndex = compare(edgeZIndex, +zIndex); + } + } + + if (isFinite(edgeZIndex)) { + this.options.zIndex = edgeZIndex + compare(-1, 1); + this._updateZIndex(); + } + }, + + _updateOpacity: function () { + if (!this._map) { return; } + + // IE doesn't inherit filter opacity properly, so we're forced to set it on tiles + if (ielt9) { return; } + + setOpacity(this._container, this.options.opacity); + + var now = +new Date(), + nextFrame = false, + willPrune = false; + + for (var key in this._tiles) { + var tile = this._tiles[key]; + if (!tile.current || !tile.loaded) { continue; } + + var fade = Math.min(1, (now - tile.loaded) / 200); + + setOpacity(tile.el, fade); + if (fade < 1) { + nextFrame = true; + } else { + if (tile.active) { + willPrune = true; + } else { + this._onOpaqueTile(tile); + } + tile.active = true; + } + } + + if (willPrune && !this._noPrune) { this._pruneTiles(); } + + if (nextFrame) { + cancelAnimFrame(this._fadeFrame); + this._fadeFrame = requestAnimFrame(this._updateOpacity, this); + } + }, + + _onOpaqueTile: falseFn, + + _initContainer: function () { + if (this._container) { return; } + + this._container = create$1('div', 'leaflet-layer ' + (this.options.className || '')); + this._updateZIndex(); + + if (this.options.opacity < 1) { + this._updateOpacity(); + } + + this.getPane().appendChild(this._container); + }, + + _updateLevels: function () { + + var zoom = this._tileZoom, + maxZoom = this.options.maxZoom; + + if (zoom === undefined) { return undefined; } + + for (var z in this._levels) { + if (this._levels[z].el.children.length || z === zoom) { + this._levels[z].el.style.zIndex = maxZoom - Math.abs(zoom - z); + this._onUpdateLevel(z); + } else { + remove(this._levels[z].el); + this._removeTilesAtZoom(z); + this._onRemoveLevel(z); + delete this._levels[z]; + } + } + + var level = this._levels[zoom], + map = this._map; + + if (!level) { + level = this._levels[zoom] = {}; + + level.el = create$1('div', 'leaflet-tile-container leaflet-zoom-animated', this._container); + level.el.style.zIndex = maxZoom; + + level.origin = map.project(map.unproject(map.getPixelOrigin()), zoom).round(); + level.zoom = zoom; + + this._setZoomTransform(level, map.getCenter(), map.getZoom()); + + // force the browser to consider the newly added element for transition + falseFn(level.el.offsetWidth); + + this._onCreateLevel(level); + } + + this._level = level; + + return level; + }, + + _onUpdateLevel: falseFn, + + _onRemoveLevel: falseFn, + + _onCreateLevel: falseFn, + + _pruneTiles: function () { + if (!this._map) { + return; + } + + var key, tile; + + var zoom = this._map.getZoom(); + if (zoom > this.options.maxZoom || + zoom < this.options.minZoom) { + this._removeAllTiles(); + return; + } + + for (key in this._tiles) { + tile = this._tiles[key]; + tile.retain = tile.current; + } + + for (key in this._tiles) { + tile = this._tiles[key]; + if (tile.current && !tile.active) { + var coords = tile.coords; + if (!this._retainParent(coords.x, coords.y, coords.z, coords.z - 5)) { + this._retainChildren(coords.x, coords.y, coords.z, coords.z + 2); + } + } + } + + for (key in this._tiles) { + if (!this._tiles[key].retain) { + this._removeTile(key); + } + } + }, + + _removeTilesAtZoom: function (zoom) { + for (var key in this._tiles) { + if (this._tiles[key].coords.z !== zoom) { + continue; + } + this._removeTile(key); + } + }, + + _removeAllTiles: function () { + for (var key in this._tiles) { + this._removeTile(key); + } + }, + + _invalidateAll: function () { + for (var z in this._levels) { + remove(this._levels[z].el); + this._onRemoveLevel(z); + delete this._levels[z]; + } + this._removeAllTiles(); + + this._tileZoom = undefined; + }, + + _retainParent: function (x, y, z, minZoom) { + var x2 = Math.floor(x / 2), + y2 = Math.floor(y / 2), + z2 = z - 1, + coords2 = new Point(+x2, +y2); + coords2.z = +z2; + + var key = this._tileCoordsToKey(coords2), + tile = this._tiles[key]; + + if (tile && tile.active) { + tile.retain = true; + return true; + + } else if (tile && tile.loaded) { + tile.retain = true; + } + + if (z2 > minZoom) { + return this._retainParent(x2, y2, z2, minZoom); + } + + return false; + }, + + _retainChildren: function (x, y, z, maxZoom) { + + for (var i = 2 * x; i < 2 * x + 2; i++) { + for (var j = 2 * y; j < 2 * y + 2; j++) { + + var coords = new Point(i, j); + coords.z = z + 1; + + var key = this._tileCoordsToKey(coords), + tile = this._tiles[key]; + + if (tile && tile.active) { + tile.retain = true; + continue; + + } else if (tile && tile.loaded) { + tile.retain = true; + } + + if (z + 1 < maxZoom) { + this._retainChildren(i, j, z + 1, maxZoom); + } + } + } + }, + + _resetView: function (e) { + var animating = e && (e.pinch || e.flyTo); + this._setView(this._map.getCenter(), this._map.getZoom(), animating, animating); + }, + + _animateZoom: function (e) { + this._setView(e.center, e.zoom, true, e.noUpdate); + }, + + _clampZoom: function (zoom) { + var options = this.options; + + if (undefined !== options.minNativeZoom && zoom < options.minNativeZoom) { + return options.minNativeZoom; + } + + if (undefined !== options.maxNativeZoom && options.maxNativeZoom < zoom) { + return options.maxNativeZoom; + } + + return zoom; + }, + + _setView: function (center, zoom, noPrune, noUpdate) { + var tileZoom = this._clampZoom(Math.round(zoom)); + if ((this.options.maxZoom !== undefined && tileZoom > this.options.maxZoom) || + (this.options.minZoom !== undefined && tileZoom < this.options.minZoom)) { + tileZoom = undefined; + } + + var tileZoomChanged = this.options.updateWhenZooming && (tileZoom !== this._tileZoom); + + if (!noUpdate || tileZoomChanged) { + + this._tileZoom = tileZoom; + + if (this._abortLoading) { + this._abortLoading(); + } + + this._updateLevels(); + this._resetGrid(); + + if (tileZoom !== undefined) { + this._update(center); + } + + if (!noPrune) { + this._pruneTiles(); + } + + // Flag to prevent _updateOpacity from pruning tiles during + // a zoom anim or a pinch gesture + this._noPrune = !!noPrune; + } + + this._setZoomTransforms(center, zoom); + }, + + _setZoomTransforms: function (center, zoom) { + for (var i in this._levels) { + this._setZoomTransform(this._levels[i], center, zoom); + } + }, + + _setZoomTransform: function (level, center, zoom) { + var scale = this._map.getZoomScale(zoom, level.zoom), + translate = level.origin.multiplyBy(scale) + .subtract(this._map._getNewPixelOrigin(center, zoom)).round(); + + if (any3d) { + setTransform(level.el, translate, scale); + } else { + setPosition(level.el, translate); + } + }, + + _resetGrid: function () { + var map = this._map, + crs = map.options.crs, + tileSize = this._tileSize = this.getTileSize(), + tileZoom = this._tileZoom; + + var bounds = this._map.getPixelWorldBounds(this._tileZoom); + if (bounds) { + this._globalTileRange = this._pxBoundsToTileRange(bounds); + } + + this._wrapX = crs.wrapLng && !this.options.noWrap && [ + Math.floor(map.project([0, crs.wrapLng[0]], tileZoom).x / tileSize.x), + Math.ceil(map.project([0, crs.wrapLng[1]], tileZoom).x / tileSize.y) + ]; + this._wrapY = crs.wrapLat && !this.options.noWrap && [ + Math.floor(map.project([crs.wrapLat[0], 0], tileZoom).y / tileSize.x), + Math.ceil(map.project([crs.wrapLat[1], 0], tileZoom).y / tileSize.y) + ]; + }, + + _onMoveEnd: function () { + if (!this._map || this._map._animatingZoom) { return; } + + this._update(); + }, + + _getTiledPixelBounds: function (center) { + var map = this._map, + mapZoom = map._animatingZoom ? Math.max(map._animateToZoom, map.getZoom()) : map.getZoom(), + scale = map.getZoomScale(mapZoom, this._tileZoom), + pixelCenter = map.project(center, this._tileZoom).floor(), + halfSize = map.getSize().divideBy(scale * 2); + + return new Bounds(pixelCenter.subtract(halfSize), pixelCenter.add(halfSize)); + }, + + // Private method to load tiles in the grid's active zoom level according to map bounds + _update: function (center) { + var map = this._map; + if (!map) { return; } + var zoom = this._clampZoom(map.getZoom()); + + if (center === undefined) { center = map.getCenter(); } + if (this._tileZoom === undefined) { return; } // if out of minzoom/maxzoom + + var pixelBounds = this._getTiledPixelBounds(center), + tileRange = this._pxBoundsToTileRange(pixelBounds), + tileCenter = tileRange.getCenter(), + queue = [], + margin = this.options.keepBuffer, + noPruneRange = new Bounds(tileRange.getBottomLeft().subtract([margin, -margin]), + tileRange.getTopRight().add([margin, -margin])); + + // Sanity check: panic if the tile range contains Infinity somewhere. + if (!(isFinite(tileRange.min.x) && + isFinite(tileRange.min.y) && + isFinite(tileRange.max.x) && + isFinite(tileRange.max.y))) { throw new Error('Attempted to load an infinite number of tiles'); } + + for (var key in this._tiles) { + var c = this._tiles[key].coords; + if (c.z !== this._tileZoom || !noPruneRange.contains(new Point(c.x, c.y))) { + this._tiles[key].current = false; + } + } + + // _update just loads more tiles. If the tile zoom level differs too much + // from the map's, let _setView reset levels and prune old tiles. + if (Math.abs(zoom - this._tileZoom) > 1) { this._setView(center, zoom); return; } + + // create a queue of coordinates to load tiles from + for (var j = tileRange.min.y; j <= tileRange.max.y; j++) { + for (var i = tileRange.min.x; i <= tileRange.max.x; i++) { + var coords = new Point(i, j); + coords.z = this._tileZoom; + + if (!this._isValidTile(coords)) { continue; } + + var tile = this._tiles[this._tileCoordsToKey(coords)]; + if (tile) { + tile.current = true; + } else { + queue.push(coords); + } + } + } + + // sort tile queue to load tiles in order of their distance to center + queue.sort(function (a, b) { + return a.distanceTo(tileCenter) - b.distanceTo(tileCenter); + }); + + if (queue.length !== 0) { + // if it's the first batch of tiles to load + if (!this._loading) { + this._loading = true; + // @event loading: Event + // Fired when the grid layer starts loading tiles. + this.fire('loading'); + } + + // create DOM fragment to append tiles in one batch + var fragment = document.createDocumentFragment(); + + for (i = 0; i < queue.length; i++) { + this._addTile(queue[i], fragment); + } + + this._level.el.appendChild(fragment); + } + }, + + _isValidTile: function (coords) { + var crs = this._map.options.crs; + + if (!crs.infinite) { + // don't load tile if it's out of bounds and not wrapped + var bounds = this._globalTileRange; + if ((!crs.wrapLng && (coords.x < bounds.min.x || coords.x > bounds.max.x)) || + (!crs.wrapLat && (coords.y < bounds.min.y || coords.y > bounds.max.y))) { return false; } + } + + if (!this.options.bounds) { return true; } + + // don't load tile if it doesn't intersect the bounds in options + var tileBounds = this._tileCoordsToBounds(coords); + return toLatLngBounds(this.options.bounds).overlaps(tileBounds); + }, + + _keyToBounds: function (key) { + return this._tileCoordsToBounds(this._keyToTileCoords(key)); + }, + + _tileCoordsToNwSe: function (coords) { + var map = this._map, + tileSize = this.getTileSize(), + nwPoint = coords.scaleBy(tileSize), + sePoint = nwPoint.add(tileSize), + nw = map.unproject(nwPoint, coords.z), + se = map.unproject(sePoint, coords.z); + return [nw, se]; + }, + + // converts tile coordinates to its geographical bounds + _tileCoordsToBounds: function (coords) { + var bp = this._tileCoordsToNwSe(coords), + bounds = new LatLngBounds(bp[0], bp[1]); + + if (!this.options.noWrap) { + bounds = this._map.wrapLatLngBounds(bounds); + } + return bounds; + }, + // converts tile coordinates to key for the tile cache + _tileCoordsToKey: function (coords) { + return coords.x + ':' + coords.y + ':' + coords.z; + }, + + // converts tile cache key to coordinates + _keyToTileCoords: function (key) { + var k = key.split(':'), + coords = new Point(+k[0], +k[1]); + coords.z = +k[2]; + return coords; + }, + + _removeTile: function (key) { + var tile = this._tiles[key]; + if (!tile) { return; } + + remove(tile.el); + + delete this._tiles[key]; + + // @event tileunload: TileEvent + // Fired when a tile is removed (e.g. when a tile goes off the screen). + this.fire('tileunload', { + tile: tile.el, + coords: this._keyToTileCoords(key) + }); + }, + + _initTile: function (tile) { + addClass(tile, 'leaflet-tile'); + + var tileSize = this.getTileSize(); + tile.style.width = tileSize.x + 'px'; + tile.style.height = tileSize.y + 'px'; + + tile.onselectstart = falseFn; + tile.onmousemove = falseFn; + + // update opacity on tiles in IE7-8 because of filter inheritance problems + if (ielt9 && this.options.opacity < 1) { + setOpacity(tile, this.options.opacity); + } + + // without this hack, tiles disappear after zoom on Chrome for Android + // https://github.com/Leaflet/Leaflet/issues/2078 + if (android && !android23) { + tile.style.WebkitBackfaceVisibility = 'hidden'; + } + }, + + _addTile: function (coords, container) { + var tilePos = this._getTilePos(coords), + key = this._tileCoordsToKey(coords); + + var tile = this.createTile(this._wrapCoords(coords), bind(this._tileReady, this, coords)); + + this._initTile(tile); + + // if createTile is defined with a second argument ("done" callback), + // we know that tile is async and will be ready later; otherwise + if (this.createTile.length < 2) { + // mark tile as ready, but delay one frame for opacity animation to happen + requestAnimFrame(bind(this._tileReady, this, coords, null, tile)); + } + + setPosition(tile, tilePos); + + // save tile in cache + this._tiles[key] = { + el: tile, + coords: coords, + current: true + }; + + container.appendChild(tile); + // @event tileloadstart: TileEvent + // Fired when a tile is requested and starts loading. + this.fire('tileloadstart', { + tile: tile, + coords: coords + }); + }, + + _tileReady: function (coords, err, tile) { + if (err) { + // @event tileerror: TileErrorEvent + // Fired when there is an error loading a tile. + this.fire('tileerror', { + error: err, + tile: tile, + coords: coords + }); + } + + var key = this._tileCoordsToKey(coords); + + tile = this._tiles[key]; + if (!tile) { return; } + + tile.loaded = +new Date(); + if (this._map._fadeAnimated) { + setOpacity(tile.el, 0); + cancelAnimFrame(this._fadeFrame); + this._fadeFrame = requestAnimFrame(this._updateOpacity, this); + } else { + tile.active = true; + this._pruneTiles(); + } + + if (!err) { + addClass(tile.el, 'leaflet-tile-loaded'); + + // @event tileload: TileEvent + // Fired when a tile loads. + this.fire('tileload', { + tile: tile.el, + coords: coords + }); + } + + if (this._noTilesToLoad()) { + this._loading = false; + // @event load: Event + // Fired when the grid layer loaded all visible tiles. + this.fire('load'); + + if (ielt9 || !this._map._fadeAnimated) { + requestAnimFrame(this._pruneTiles, this); + } else { + // Wait a bit more than 0.2 secs (the duration of the tile fade-in) + // to trigger a pruning. + setTimeout(bind(this._pruneTiles, this), 250); + } + } + }, + + _getTilePos: function (coords) { + return coords.scaleBy(this.getTileSize()).subtract(this._level.origin); + }, + + _wrapCoords: function (coords) { + var newCoords = new Point( + this._wrapX ? wrapNum(coords.x, this._wrapX) : coords.x, + this._wrapY ? wrapNum(coords.y, this._wrapY) : coords.y); + newCoords.z = coords.z; + return newCoords; + }, + + _pxBoundsToTileRange: function (bounds) { + var tileSize = this.getTileSize(); + return new Bounds( + bounds.min.unscaleBy(tileSize).floor(), + bounds.max.unscaleBy(tileSize).ceil().subtract([1, 1])); + }, + + _noTilesToLoad: function () { + for (var key in this._tiles) { + if (!this._tiles[key].loaded) { return false; } + } + return true; + } +}); + +// @factory L.gridLayer(options?: GridLayer options) +// Creates a new instance of GridLayer with the supplied options. +function gridLayer(options) { + return new GridLayer(options); +} + /* * @class TileLayer * @inherits GridLayer @@ -11634,8 +11634,8 @@ var TileLayer = GridLayer.extend({ function tileLayer(url, options) { return new TileLayer(url, options); -} - +} + /* * @class TileLayer.WMS * @inherits TileLayer @@ -11766,2013 +11766,2013 @@ var TileLayerWMS = TileLayer.extend({ // Instantiates a WMS tile layer object given a base URL of the WMS service and a WMS parameters/options object. function tileLayerWMS(url, options) { return new TileLayerWMS(url, options); -} - -TileLayer.WMS = TileLayerWMS; -tileLayer.wms = tileLayerWMS; - -/* - * @class Renderer - * @inherits Layer - * @aka L.Renderer - * - * Base class for vector renderer implementations (`SVG`, `Canvas`). Handles the - * DOM container of the renderer, its bounds, and its zoom animation. - * - * A `Renderer` works as an implicit layer group for all `Path`s - the renderer - * itself can be added or removed to the map. All paths use a renderer, which can - * be implicit (the map will decide the type of renderer and use it automatically) - * or explicit (using the [`renderer`](#path-renderer) option of the path). - * - * Do not use this class directly, use `SVG` and `Canvas` instead. - * - * @event update: Event - * Fired when the renderer updates its bounds, center and zoom, for example when - * its map has moved - */ - -var Renderer = Layer.extend({ - - // @section - // @aka Renderer options - options: { - // @option padding: Number = 0.1 - // How much to extend the clip area around the map view (relative to its size) - // e.g. 0.1 would be 10% of map view in each direction - padding: 0.1, - - // @option tolerance: Number = 0 - // How much to extend click tolerance round a path/object on the map - tolerance : 0 - }, - - initialize: function (options) { - setOptions(this, options); - stamp(this); - this._layers = this._layers || {}; - }, - - onAdd: function () { - if (!this._container) { - this._initContainer(); // defined by renderer implementations - - if (this._zoomAnimated) { - addClass(this._container, 'leaflet-zoom-animated'); - } - } - - this.getPane().appendChild(this._container); - this._update(); - this.on('update', this._updatePaths, this); - }, - - onRemove: function () { - this.off('update', this._updatePaths, this); - this._destroyContainer(); - }, - - getEvents: function () { - var events = { - viewreset: this._reset, - zoom: this._onZoom, - moveend: this._update, - zoomend: this._onZoomEnd - }; - if (this._zoomAnimated) { - events.zoomanim = this._onAnimZoom; - } - return events; - }, - - _onAnimZoom: function (ev) { - this._updateTransform(ev.center, ev.zoom); - }, - - _onZoom: function () { - this._updateTransform(this._map.getCenter(), this._map.getZoom()); - }, - - _updateTransform: function (center, zoom) { - var scale = this._map.getZoomScale(zoom, this._zoom), - position = getPosition(this._container), - viewHalf = this._map.getSize().multiplyBy(0.5 + this.options.padding), - currentCenterPoint = this._map.project(this._center, zoom), - destCenterPoint = this._map.project(center, zoom), - centerOffset = destCenterPoint.subtract(currentCenterPoint), - - topLeftOffset = viewHalf.multiplyBy(-scale).add(position).add(viewHalf).subtract(centerOffset); - - if (any3d) { - setTransform(this._container, topLeftOffset, scale); - } else { - setPosition(this._container, topLeftOffset); - } - }, - - _reset: function () { - this._update(); - this._updateTransform(this._center, this._zoom); - - for (var id in this._layers) { - this._layers[id]._reset(); - } - }, - - _onZoomEnd: function () { - for (var id in this._layers) { - this._layers[id]._project(); - } - }, - - _updatePaths: function () { - for (var id in this._layers) { - this._layers[id]._update(); - } - }, - - _update: function () { - // Update pixel bounds of renderer container (for positioning/sizing/clipping later) - // Subclasses are responsible of firing the 'update' event. - var p = this.options.padding, - size = this._map.getSize(), - min = this._map.containerPointToLayerPoint(size.multiplyBy(-p)).round(); - - this._bounds = new Bounds(min, min.add(size.multiplyBy(1 + p * 2)).round()); - - this._center = this._map.getCenter(); - this._zoom = this._map.getZoom(); - } -}); - -/* - * @class Canvas - * @inherits Renderer - * @aka L.Canvas - * - * Allows vector layers to be displayed with [``](https://developer.mozilla.org/docs/Web/API/Canvas_API). - * Inherits `Renderer`. - * - * Due to [technical limitations](http://caniuse.com/#search=canvas), Canvas is not - * available in all web browsers, notably IE8, and overlapping geometries might - * not display properly in some edge cases. - * - * @example - * - * Use Canvas by default for all paths in the map: - * - * ```js - * var map = L.map('map', { - * renderer: L.canvas() - * }); - * ``` - * - * Use a Canvas renderer with extra padding for specific vector geometries: - * - * ```js - * var map = L.map('map'); - * var myRenderer = L.canvas({ padding: 0.5 }); - * var line = L.polyline( coordinates, { renderer: myRenderer } ); - * var circle = L.circle( center, { renderer: myRenderer } ); - * ``` - */ - -var Canvas = Renderer.extend({ - getEvents: function () { - var events = Renderer.prototype.getEvents.call(this); - events.viewprereset = this._onViewPreReset; - return events; - }, - - _onViewPreReset: function () { - // Set a flag so that a viewprereset+moveend+viewreset only updates&redraws once - this._postponeUpdatePaths = true; - }, - - onAdd: function () { - Renderer.prototype.onAdd.call(this); - - // Redraw vectors since canvas is cleared upon removal, - // in case of removing the renderer itself from the map. - this._draw(); - }, - - _initContainer: function () { - var container = this._container = document.createElement('canvas'); - - on(container, 'mousemove', throttle(this._onMouseMove, 32, this), this); - on(container, 'click dblclick mousedown mouseup contextmenu', this._onClick, this); - on(container, 'mouseout', this._handleMouseOut, this); - - this._ctx = container.getContext('2d'); - }, - - _destroyContainer: function () { - cancelAnimFrame(this._redrawRequest); - delete this._ctx; - remove(this._container); - off(this._container); - delete this._container; - }, - - _updatePaths: function () { - if (this._postponeUpdatePaths) { return; } - - var layer; - this._redrawBounds = null; - for (var id in this._layers) { - layer = this._layers[id]; - layer._update(); - } - this._redraw(); - }, - - _update: function () { - if (this._map._animatingZoom && this._bounds) { return; } - - this._drawnLayers = {}; - - Renderer.prototype._update.call(this); - - var b = this._bounds, - container = this._container, - size = b.getSize(), - m = retina ? 2 : 1; - - setPosition(container, b.min); - - // set canvas size (also clearing it); use double size on retina - container.width = m * size.x; - container.height = m * size.y; - container.style.width = size.x + 'px'; - container.style.height = size.y + 'px'; - - if (retina) { - this._ctx.scale(2, 2); - } - - // translate so we use the same path coordinates after canvas element moves - this._ctx.translate(-b.min.x, -b.min.y); - - // Tell paths to redraw themselves - this.fire('update'); - }, - - _reset: function () { - Renderer.prototype._reset.call(this); - - if (this._postponeUpdatePaths) { - this._postponeUpdatePaths = false; - this._updatePaths(); - } - }, - - _initPath: function (layer) { - this._updateDashArray(layer); - this._layers[stamp(layer)] = layer; - - var order = layer._order = { - layer: layer, - prev: this._drawLast, - next: null - }; - if (this._drawLast) { this._drawLast.next = order; } - this._drawLast = order; - this._drawFirst = this._drawFirst || this._drawLast; - }, - - _addPath: function (layer) { - this._requestRedraw(layer); - }, - - _removePath: function (layer) { - var order = layer._order; - var next = order.next; - var prev = order.prev; - - if (next) { - next.prev = prev; - } else { - this._drawLast = prev; - } - if (prev) { - prev.next = next; - } else { - this._drawFirst = next; - } - - delete this._drawnLayers[layer._leaflet_id]; - - delete layer._order; - - delete this._layers[stamp(layer)]; - - this._requestRedraw(layer); - }, - - _updatePath: function (layer) { - // Redraw the union of the layer's old pixel - // bounds and the new pixel bounds. - this._extendRedrawBounds(layer); - layer._project(); - layer._update(); - // The redraw will extend the redraw bounds - // with the new pixel bounds. - this._requestRedraw(layer); - }, - - _updateStyle: function (layer) { - this._updateDashArray(layer); - this._requestRedraw(layer); - }, - - _updateDashArray: function (layer) { - if (typeof layer.options.dashArray === 'string') { - var parts = layer.options.dashArray.split(/[, ]+/), - dashArray = [], - i; - for (i = 0; i < parts.length; i++) { - dashArray.push(Number(parts[i])); - } - layer.options._dashArray = dashArray; - } else { - layer.options._dashArray = layer.options.dashArray; - } - }, - - _requestRedraw: function (layer) { - if (!this._map) { return; } - - this._extendRedrawBounds(layer); - this._redrawRequest = this._redrawRequest || requestAnimFrame(this._redraw, this); - }, - - _extendRedrawBounds: function (layer) { - if (layer._pxBounds) { - var padding = (layer.options.weight || 0) + 1; - this._redrawBounds = this._redrawBounds || new Bounds(); - this._redrawBounds.extend(layer._pxBounds.min.subtract([padding, padding])); - this._redrawBounds.extend(layer._pxBounds.max.add([padding, padding])); - } - }, - - _redraw: function () { - this._redrawRequest = null; - - if (this._redrawBounds) { - this._redrawBounds.min._floor(); - this._redrawBounds.max._ceil(); - } - - this._clear(); // clear layers in redraw bounds - this._draw(); // draw layers - - this._redrawBounds = null; - }, - - _clear: function () { - var bounds = this._redrawBounds; - if (bounds) { - var size = bounds.getSize(); - this._ctx.clearRect(bounds.min.x, bounds.min.y, size.x, size.y); - } else { - this._ctx.clearRect(0, 0, this._container.width, this._container.height); - } - }, - - _draw: function () { - var layer, bounds = this._redrawBounds; - this._ctx.save(); - if (bounds) { - var size = bounds.getSize(); - this._ctx.beginPath(); - this._ctx.rect(bounds.min.x, bounds.min.y, size.x, size.y); - this._ctx.clip(); - } - - this._drawing = true; - - for (var order = this._drawFirst; order; order = order.next) { - layer = order.layer; - if (!bounds || (layer._pxBounds && layer._pxBounds.intersects(bounds))) { - layer._updatePath(); - } - } - - this._drawing = false; - - this._ctx.restore(); // Restore state before clipping. - }, - - _updatePoly: function (layer, closed) { - if (!this._drawing) { return; } - - var i, j, len2, p, - parts = layer._parts, - len = parts.length, - ctx = this._ctx; - - if (!len) { return; } - - this._drawnLayers[layer._leaflet_id] = layer; - - ctx.beginPath(); - - for (i = 0; i < len; i++) { - for (j = 0, len2 = parts[i].length; j < len2; j++) { - p = parts[i][j]; - ctx[j ? 'lineTo' : 'moveTo'](p.x, p.y); - } - if (closed) { - ctx.closePath(); - } - } - - this._fillStroke(ctx, layer); - - // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature - }, - - _updateCircle: function (layer) { - - if (!this._drawing || layer._empty()) { return; } - - var p = layer._point, - ctx = this._ctx, - r = Math.max(Math.round(layer._radius), 1), - s = (Math.max(Math.round(layer._radiusY), 1) || r) / r; - - this._drawnLayers[layer._leaflet_id] = layer; - - if (s !== 1) { - ctx.save(); - ctx.scale(1, s); - } - - ctx.beginPath(); - ctx.arc(p.x, p.y / s, r, 0, Math.PI * 2, false); - - if (s !== 1) { - ctx.restore(); - } - - this._fillStroke(ctx, layer); - }, - - _fillStroke: function (ctx, layer) { - var options = layer.options; - - if (options.fill) { - ctx.globalAlpha = options.fillOpacity; - ctx.fillStyle = options.fillColor || options.color; - ctx.fill(options.fillRule || 'evenodd'); - } - - if (options.stroke && options.weight !== 0) { - if (ctx.setLineDash) { - ctx.setLineDash(layer.options && layer.options._dashArray || []); - } - ctx.globalAlpha = options.opacity; - ctx.lineWidth = options.weight; - ctx.strokeStyle = options.color; - ctx.lineCap = options.lineCap; - ctx.lineJoin = options.lineJoin; - ctx.stroke(); - } - }, - - // Canvas obviously doesn't have mouse events for individual drawn objects, - // so we emulate that by calculating what's under the mouse on mousemove/click manually - - _onClick: function (e) { - var point = this._map.mouseEventToLayerPoint(e), layer, clickedLayer; - - for (var order = this._drawFirst; order; order = order.next) { - layer = order.layer; - if (layer.options.interactive && layer._containsPoint(point) && !this._map._draggableMoved(layer)) { - clickedLayer = layer; - } - } - if (clickedLayer) { - fakeStop(e); - this._fireEvent([clickedLayer], e); - } - }, - - _onMouseMove: function (e) { - if (!this._map || this._map.dragging.moving() || this._map._animatingZoom) { return; } - - var point = this._map.mouseEventToLayerPoint(e); - this._handleMouseHover(e, point); - }, - - - _handleMouseOut: function (e) { - var layer = this._hoveredLayer; - if (layer) { - // if we're leaving the layer, fire mouseout - removeClass(this._container, 'leaflet-interactive'); - this._fireEvent([layer], e, 'mouseout'); - this._hoveredLayer = null; - } - }, - - _handleMouseHover: function (e, point) { - var layer, candidateHoveredLayer; - - for (var order = this._drawFirst; order; order = order.next) { - layer = order.layer; - if (layer.options.interactive && layer._containsPoint(point)) { - candidateHoveredLayer = layer; - } - } - - if (candidateHoveredLayer !== this._hoveredLayer) { - this._handleMouseOut(e); - - if (candidateHoveredLayer) { - addClass(this._container, 'leaflet-interactive'); // change cursor - this._fireEvent([candidateHoveredLayer], e, 'mouseover'); - this._hoveredLayer = candidateHoveredLayer; - } - } - - if (this._hoveredLayer) { - this._fireEvent([this._hoveredLayer], e); - } - }, - - _fireEvent: function (layers, e, type) { - this._map._fireDOMEvent(e, type || e.type, layers); - }, - - _bringToFront: function (layer) { - var order = layer._order; - var next = order.next; - var prev = order.prev; - - if (next) { - next.prev = prev; - } else { - // Already last - return; - } - if (prev) { - prev.next = next; - } else if (next) { - // Update first entry unless this is the - // single entry - this._drawFirst = next; - } - - order.prev = this._drawLast; - this._drawLast.next = order; - - order.next = null; - this._drawLast = order; - - this._requestRedraw(layer); - }, - - _bringToBack: function (layer) { - var order = layer._order; - var next = order.next; - var prev = order.prev; - - if (prev) { - prev.next = next; - } else { - // Already first - return; - } - if (next) { - next.prev = prev; - } else if (prev) { - // Update last entry unless this is the - // single entry - this._drawLast = prev; - } - - order.prev = null; - - order.next = this._drawFirst; - this._drawFirst.prev = order; - this._drawFirst = order; - - this._requestRedraw(layer); - } -}); - -// @factory L.canvas(options?: Renderer options) -// Creates a Canvas renderer with the given options. -function canvas$1(options) { - return canvas ? new Canvas(options) : null; -} - -/* - * Thanks to Dmitry Baranovsky and his Raphael library for inspiration! - */ - - -var vmlCreate = (function () { - try { - document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml'); - return function (name) { - return document.createElement(''); - }; - } catch (e) { - return function (name) { - return document.createElement('<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">'); - }; - } -})(); - - -/* - * @class SVG - * - * Although SVG is not available on IE7 and IE8, these browsers support [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language), and the SVG renderer will fall back to VML in this case. - * - * VML was deprecated in 2012, which means VML functionality exists only for backwards compatibility - * with old versions of Internet Explorer. - */ - -// mixin to redefine some SVG methods to handle VML syntax which is similar but with some differences -var vmlMixin = { - - _initContainer: function () { - this._container = create$1('div', 'leaflet-vml-container'); - }, - - _update: function () { - if (this._map._animatingZoom) { return; } - Renderer.prototype._update.call(this); - this.fire('update'); - }, - - _initPath: function (layer) { - var container = layer._container = vmlCreate('shape'); - - addClass(container, 'leaflet-vml-shape ' + (this.options.className || '')); - - container.coordsize = '1 1'; - - layer._path = vmlCreate('path'); - container.appendChild(layer._path); - - this._updateStyle(layer); - this._layers[stamp(layer)] = layer; - }, - - _addPath: function (layer) { - var container = layer._container; - this._container.appendChild(container); - - if (layer.options.interactive) { - layer.addInteractiveTarget(container); - } - }, - - _removePath: function (layer) { - var container = layer._container; - remove(container); - layer.removeInteractiveTarget(container); - delete this._layers[stamp(layer)]; - }, - - _updateStyle: function (layer) { - var stroke = layer._stroke, - fill = layer._fill, - options = layer.options, - container = layer._container; - - container.stroked = !!options.stroke; - container.filled = !!options.fill; - - if (options.stroke) { - if (!stroke) { - stroke = layer._stroke = vmlCreate('stroke'); - } - container.appendChild(stroke); - stroke.weight = options.weight + 'px'; - stroke.color = options.color; - stroke.opacity = options.opacity; - - if (options.dashArray) { - stroke.dashStyle = isArray(options.dashArray) ? - options.dashArray.join(' ') : - options.dashArray.replace(/( *, *)/g, ' '); - } else { - stroke.dashStyle = ''; - } - stroke.endcap = options.lineCap.replace('butt', 'flat'); - stroke.joinstyle = options.lineJoin; - - } else if (stroke) { - container.removeChild(stroke); - layer._stroke = null; - } - - if (options.fill) { - if (!fill) { - fill = layer._fill = vmlCreate('fill'); - } - container.appendChild(fill); - fill.color = options.fillColor || options.color; - fill.opacity = options.fillOpacity; - - } else if (fill) { - container.removeChild(fill); - layer._fill = null; - } - }, - - _updateCircle: function (layer) { - var p = layer._point.round(), - r = Math.round(layer._radius), - r2 = Math.round(layer._radiusY || r); - - this._setPath(layer, layer._empty() ? 'M0 0' : - 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r2 + ' 0,' + (65535 * 360)); - }, - - _setPath: function (layer, path) { - layer._path.v = path; - }, - - _bringToFront: function (layer) { - toFront(layer._container); - }, - - _bringToBack: function (layer) { - toBack(layer._container); - } -}; - -var create$2 = vml ? vmlCreate : svgCreate; - -/* - * @class SVG - * @inherits Renderer - * @aka L.SVG - * - * Allows vector layers to be displayed with [SVG](https://developer.mozilla.org/docs/Web/SVG). - * Inherits `Renderer`. - * - * Due to [technical limitations](http://caniuse.com/#search=svg), SVG is not - * available in all web browsers, notably Android 2.x and 3.x. - * - * Although SVG is not available on IE7 and IE8, these browsers support - * [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language) - * (a now deprecated technology), and the SVG renderer will fall back to VML in - * this case. - * - * @example - * - * Use SVG by default for all paths in the map: - * - * ```js - * var map = L.map('map', { - * renderer: L.svg() - * }); - * ``` - * - * Use a SVG renderer with extra padding for specific vector geometries: - * - * ```js - * var map = L.map('map'); - * var myRenderer = L.svg({ padding: 0.5 }); - * var line = L.polyline( coordinates, { renderer: myRenderer } ); - * var circle = L.circle( center, { renderer: myRenderer } ); - * ``` - */ - -var SVG = Renderer.extend({ - - getEvents: function () { - var events = Renderer.prototype.getEvents.call(this); - events.zoomstart = this._onZoomStart; - return events; - }, - - _initContainer: function () { - this._container = create$2('svg'); - - // makes it possible to click through svg root; we'll reset it back in individual paths - this._container.setAttribute('pointer-events', 'none'); - - this._rootGroup = create$2('g'); - this._container.appendChild(this._rootGroup); - }, - - _destroyContainer: function () { - remove(this._container); - off(this._container); - delete this._container; - delete this._rootGroup; - delete this._svgSize; - }, - - _onZoomStart: function () { - // Drag-then-pinch interactions might mess up the center and zoom. - // In this case, the easiest way to prevent this is re-do the renderer - // bounds and padding when the zooming starts. - this._update(); - }, - - _update: function () { - if (this._map._animatingZoom && this._bounds) { return; } - - Renderer.prototype._update.call(this); - - var b = this._bounds, - size = b.getSize(), - container = this._container; - - // set size of svg-container if changed - if (!this._svgSize || !this._svgSize.equals(size)) { - this._svgSize = size; - container.setAttribute('width', size.x); - container.setAttribute('height', size.y); - } - - // movement: update container viewBox so that we don't have to change coordinates of individual layers - setPosition(container, b.min); - container.setAttribute('viewBox', [b.min.x, b.min.y, size.x, size.y].join(' ')); - - this.fire('update'); - }, - - // methods below are called by vector layers implementations - - _initPath: function (layer) { - var path = layer._path = create$2('path'); - - // @namespace Path - // @option className: String = null - // Custom class name set on an element. Only for SVG renderer. - if (layer.options.className) { - addClass(path, layer.options.className); - } - - if (layer.options.interactive) { - addClass(path, 'leaflet-interactive'); - } - - this._updateStyle(layer); - this._layers[stamp(layer)] = layer; - }, - - _addPath: function (layer) { - if (!this._rootGroup) { this._initContainer(); } - this._rootGroup.appendChild(layer._path); - layer.addInteractiveTarget(layer._path); - }, - - _removePath: function (layer) { - remove(layer._path); - layer.removeInteractiveTarget(layer._path); - delete this._layers[stamp(layer)]; - }, - - _updatePath: function (layer) { - layer._project(); - layer._update(); - }, - - _updateStyle: function (layer) { - var path = layer._path, - options = layer.options; - - if (!path) { return; } - - if (options.stroke) { - path.setAttribute('stroke', options.color); - path.setAttribute('stroke-opacity', options.opacity); - path.setAttribute('stroke-width', options.weight); - path.setAttribute('stroke-linecap', options.lineCap); - path.setAttribute('stroke-linejoin', options.lineJoin); - - if (options.dashArray) { - path.setAttribute('stroke-dasharray', options.dashArray); - } else { - path.removeAttribute('stroke-dasharray'); - } - - if (options.dashOffset) { - path.setAttribute('stroke-dashoffset', options.dashOffset); - } else { - path.removeAttribute('stroke-dashoffset'); - } - } else { - path.setAttribute('stroke', 'none'); - } - - if (options.fill) { - path.setAttribute('fill', options.fillColor || options.color); - path.setAttribute('fill-opacity', options.fillOpacity); - path.setAttribute('fill-rule', options.fillRule || 'evenodd'); - } else { - path.setAttribute('fill', 'none'); - } - }, - - _updatePoly: function (layer, closed) { - this._setPath(layer, pointsToPath(layer._parts, closed)); - }, - - _updateCircle: function (layer) { - var p = layer._point, - r = Math.max(Math.round(layer._radius), 1), - r2 = Math.max(Math.round(layer._radiusY), 1) || r, - arc = 'a' + r + ',' + r2 + ' 0 1,0 '; - - // drawing a circle with two half-arcs - var d = layer._empty() ? 'M0 0' : - 'M' + (p.x - r) + ',' + p.y + - arc + (r * 2) + ',0 ' + - arc + (-r * 2) + ',0 '; - - this._setPath(layer, d); - }, - - _setPath: function (layer, path) { - layer._path.setAttribute('d', path); - }, - - // SVG does not have the concept of zIndex so we resort to changing the DOM order of elements - _bringToFront: function (layer) { - toFront(layer._path); - }, - - _bringToBack: function (layer) { - toBack(layer._path); - } -}); - -if (vml) { - SVG.include(vmlMixin); -} - -// @namespace SVG -// @factory L.svg(options?: Renderer options) -// Creates a SVG renderer with the given options. -function svg$1(options) { - return svg || vml ? new SVG(options) : null; -} - -Map.include({ - // @namespace Map; @method getRenderer(layer: Path): Renderer - // Returns the instance of `Renderer` that should be used to render the given - // `Path`. It will ensure that the `renderer` options of the map and paths - // are respected, and that the renderers do exist on the map. - getRenderer: function (layer) { - // @namespace Path; @option renderer: Renderer - // Use this specific instance of `Renderer` for this path. Takes - // precedence over the map's [default renderer](#map-renderer). - var renderer = layer.options.renderer || this._getPaneRenderer(layer.options.pane) || this.options.renderer || this._renderer; - - if (!renderer) { - renderer = this._renderer = this._createRenderer(); - } - - if (!this.hasLayer(renderer)) { - this.addLayer(renderer); - } - return renderer; - }, - - _getPaneRenderer: function (name) { - if (name === 'overlayPane' || name === undefined) { - return false; - } - - var renderer = this._paneRenderers[name]; - if (renderer === undefined) { - renderer = this._createRenderer({pane: name}); - this._paneRenderers[name] = renderer; - } - return renderer; - }, - - _createRenderer: function (options) { - // @namespace Map; @option preferCanvas: Boolean = false - // Whether `Path`s should be rendered on a `Canvas` renderer. - // By default, all `Path`s are rendered in a `SVG` renderer. - return (this.options.preferCanvas && canvas$1(options)) || svg$1(options); - } -}); - -/* - * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object. - */ - -/* - * @class Rectangle - * @aka L.Rectangle - * @inherits Polygon - * - * A class for drawing rectangle overlays on a map. Extends `Polygon`. - * - * @example - * - * ```js - * // define rectangle geographical bounds - * var bounds = [[54.559322, -5.767822], [56.1210604, -3.021240]]; - * - * // create an orange rectangle - * L.rectangle(bounds, {color: "#ff7800", weight: 1}).addTo(map); - * - * // zoom the map to the rectangle bounds - * map.fitBounds(bounds); - * ``` - * - */ - - -var Rectangle = Polygon.extend({ - initialize: function (latLngBounds, options) { - Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options); - }, - - // @method setBounds(latLngBounds: LatLngBounds): this - // Redraws the rectangle with the passed bounds. - setBounds: function (latLngBounds) { - return this.setLatLngs(this._boundsToLatLngs(latLngBounds)); - }, - - _boundsToLatLngs: function (latLngBounds) { - latLngBounds = toLatLngBounds(latLngBounds); - return [ - latLngBounds.getSouthWest(), - latLngBounds.getNorthWest(), - latLngBounds.getNorthEast(), - latLngBounds.getSouthEast() - ]; - } -}); - - -// @factory L.rectangle(latLngBounds: LatLngBounds, options?: Polyline options) -function rectangle(latLngBounds, options) { - return new Rectangle(latLngBounds, options); -} - -SVG.create = create$2; -SVG.pointsToPath = pointsToPath; - -GeoJSON.geometryToLayer = geometryToLayer; -GeoJSON.coordsToLatLng = coordsToLatLng; -GeoJSON.coordsToLatLngs = coordsToLatLngs; -GeoJSON.latLngToCoords = latLngToCoords; -GeoJSON.latLngsToCoords = latLngsToCoords; -GeoJSON.getFeature = getFeature; -GeoJSON.asFeature = asFeature; - -/* - * L.Handler.BoxZoom is used to add shift-drag zoom interaction to the map - * (zoom to a selected bounding box), enabled by default. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @option boxZoom: Boolean = true - // Whether the map can be zoomed to a rectangular area specified by - // dragging the mouse while pressing the shift key. - boxZoom: true -}); - -var BoxZoom = Handler.extend({ - initialize: function (map) { - this._map = map; - this._container = map._container; - this._pane = map._panes.overlayPane; - this._resetStateTimeout = 0; - map.on('unload', this._destroy, this); - }, - - addHooks: function () { - on(this._container, 'mousedown', this._onMouseDown, this); - }, - - removeHooks: function () { - off(this._container, 'mousedown', this._onMouseDown, this); - }, - - moved: function () { - return this._moved; - }, - - _destroy: function () { - remove(this._pane); - delete this._pane; - }, - - _resetState: function () { - this._resetStateTimeout = 0; - this._moved = false; - }, - - _clearDeferredResetState: function () { - if (this._resetStateTimeout !== 0) { - clearTimeout(this._resetStateTimeout); - this._resetStateTimeout = 0; - } - }, - - _onMouseDown: function (e) { - if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; } - - // Clear the deferred resetState if it hasn't executed yet, otherwise it - // will interrupt the interaction and orphan a box element in the container. - this._clearDeferredResetState(); - this._resetState(); - - disableTextSelection(); - disableImageDrag(); - - this._startPoint = this._map.mouseEventToContainerPoint(e); - - on(document, { - contextmenu: stop, - mousemove: this._onMouseMove, - mouseup: this._onMouseUp, - keydown: this._onKeyDown - }, this); - }, - - _onMouseMove: function (e) { - if (!this._moved) { - this._moved = true; - - this._box = create$1('div', 'leaflet-zoom-box', this._container); - addClass(this._container, 'leaflet-crosshair'); - - this._map.fire('boxzoomstart'); - } - - this._point = this._map.mouseEventToContainerPoint(e); - - var bounds = new Bounds(this._point, this._startPoint), - size = bounds.getSize(); - - setPosition(this._box, bounds.min); - - this._box.style.width = size.x + 'px'; - this._box.style.height = size.y + 'px'; - }, - - _finish: function () { - if (this._moved) { - remove(this._box); - removeClass(this._container, 'leaflet-crosshair'); - } - - enableTextSelection(); - enableImageDrag(); - - off(document, { - contextmenu: stop, - mousemove: this._onMouseMove, - mouseup: this._onMouseUp, - keydown: this._onKeyDown - }, this); - }, - - _onMouseUp: function (e) { - if ((e.which !== 1) && (e.button !== 1)) { return; } - - this._finish(); - - if (!this._moved) { return; } - // Postpone to next JS tick so internal click event handling - // still see it as "moved". - this._clearDeferredResetState(); - this._resetStateTimeout = setTimeout(bind(this._resetState, this), 0); - - var bounds = new LatLngBounds( - this._map.containerPointToLatLng(this._startPoint), - this._map.containerPointToLatLng(this._point)); - - this._map - .fitBounds(bounds) - .fire('boxzoomend', {boxZoomBounds: bounds}); - }, - - _onKeyDown: function (e) { - if (e.keyCode === 27) { - this._finish(); - } - } -}); - -// @section Handlers -// @property boxZoom: Handler -// Box (shift-drag with mouse) zoom handler. -Map.addInitHook('addHandler', 'boxZoom', BoxZoom); - -/* - * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default. - */ - -// @namespace Map -// @section Interaction Options - -Map.mergeOptions({ - // @option doubleClickZoom: Boolean|String = true - // Whether the map can be zoomed in by double clicking on it and - // zoomed out by double clicking while holding shift. If passed - // `'center'`, double-click zoom will zoom to the center of the - // view regardless of where the mouse was. - doubleClickZoom: true -}); - -var DoubleClickZoom = Handler.extend({ - addHooks: function () { - this._map.on('dblclick', this._onDoubleClick, this); - }, - - removeHooks: function () { - this._map.off('dblclick', this._onDoubleClick, this); - }, - - _onDoubleClick: function (e) { - var map = this._map, - oldZoom = map.getZoom(), - delta = map.options.zoomDelta, - zoom = e.originalEvent.shiftKey ? oldZoom - delta : oldZoom + delta; - - if (map.options.doubleClickZoom === 'center') { - map.setZoom(zoom); - } else { - map.setZoomAround(e.containerPoint, zoom); - } - } -}); - -// @section Handlers -// -// Map properties include interaction handlers that allow you to control -// interaction behavior in runtime, enabling or disabling certain features such -// as dragging or touch zoom (see `Handler` methods). For example: -// -// ```js -// map.doubleClickZoom.disable(); -// ``` -// -// @property doubleClickZoom: Handler -// Double click zoom handler. -Map.addInitHook('addHandler', 'doubleClickZoom', DoubleClickZoom); - -/* - * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @option dragging: Boolean = true - // Whether the map be draggable with mouse/touch or not. - dragging: true, - - // @section Panning Inertia Options - // @option inertia: Boolean = * - // If enabled, panning of the map will have an inertia effect where - // the map builds momentum while dragging and continues moving in - // the same direction for some time. Feels especially nice on touch - // devices. Enabled by default unless running on old Android devices. - inertia: !android23, - - // @option inertiaDeceleration: Number = 3000 - // The rate with which the inertial movement slows down, in pixels/second². - inertiaDeceleration: 3400, // px/s^2 - - // @option inertiaMaxSpeed: Number = Infinity - // Max speed of the inertial movement, in pixels/second. - inertiaMaxSpeed: Infinity, // px/s - - // @option easeLinearity: Number = 0.2 - easeLinearity: 0.2, - - // TODO refactor, move to CRS - // @option worldCopyJump: Boolean = false - // With this option enabled, the map tracks when you pan to another "copy" - // of the world and seamlessly jumps to the original one so that all overlays - // like markers and vector layers are still visible. - worldCopyJump: false, - - // @option maxBoundsViscosity: Number = 0.0 - // If `maxBounds` is set, this option will control how solid the bounds - // are when dragging the map around. The default value of `0.0` allows the - // user to drag outside the bounds at normal speed, higher values will - // slow down map dragging outside bounds, and `1.0` makes the bounds fully - // solid, preventing the user from dragging outside the bounds. - maxBoundsViscosity: 0.0 -}); - -var Drag = Handler.extend({ - addHooks: function () { - if (!this._draggable) { - var map = this._map; - - this._draggable = new Draggable(map._mapPane, map._container); - - this._draggable.on({ - dragstart: this._onDragStart, - drag: this._onDrag, - dragend: this._onDragEnd - }, this); - - this._draggable.on('predrag', this._onPreDragLimit, this); - if (map.options.worldCopyJump) { - this._draggable.on('predrag', this._onPreDragWrap, this); - map.on('zoomend', this._onZoomEnd, this); - - map.whenReady(this._onZoomEnd, this); - } - } - addClass(this._map._container, 'leaflet-grab leaflet-touch-drag'); - this._draggable.enable(); - this._positions = []; - this._times = []; - }, - - removeHooks: function () { - removeClass(this._map._container, 'leaflet-grab'); - removeClass(this._map._container, 'leaflet-touch-drag'); - this._draggable.disable(); - }, - - moved: function () { - return this._draggable && this._draggable._moved; - }, - - moving: function () { - return this._draggable && this._draggable._moving; - }, - - _onDragStart: function () { - var map = this._map; - - map._stop(); - if (this._map.options.maxBounds && this._map.options.maxBoundsViscosity) { - var bounds = toLatLngBounds(this._map.options.maxBounds); - - this._offsetLimit = toBounds( - this._map.latLngToContainerPoint(bounds.getNorthWest()).multiplyBy(-1), - this._map.latLngToContainerPoint(bounds.getSouthEast()).multiplyBy(-1) - .add(this._map.getSize())); - - this._viscosity = Math.min(1.0, Math.max(0.0, this._map.options.maxBoundsViscosity)); - } else { - this._offsetLimit = null; - } - - map - .fire('movestart') - .fire('dragstart'); - - if (map.options.inertia) { - this._positions = []; - this._times = []; - } - }, - - _onDrag: function (e) { - if (this._map.options.inertia) { - var time = this._lastTime = +new Date(), - pos = this._lastPos = this._draggable._absPos || this._draggable._newPos; - - this._positions.push(pos); - this._times.push(time); - - this._prunePositions(time); - } - - this._map - .fire('move', e) - .fire('drag', e); - }, - - _prunePositions: function (time) { - while (this._positions.length > 1 && time - this._times[0] > 50) { - this._positions.shift(); - this._times.shift(); - } - }, - - _onZoomEnd: function () { - var pxCenter = this._map.getSize().divideBy(2), - pxWorldCenter = this._map.latLngToLayerPoint([0, 0]); - - this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x; - this._worldWidth = this._map.getPixelWorldBounds().getSize().x; - }, - - _viscousLimit: function (value, threshold) { - return value - (value - threshold) * this._viscosity; - }, - - _onPreDragLimit: function () { - if (!this._viscosity || !this._offsetLimit) { return; } - - var offset = this._draggable._newPos.subtract(this._draggable._startPos); - - var limit = this._offsetLimit; - if (offset.x < limit.min.x) { offset.x = this._viscousLimit(offset.x, limit.min.x); } - if (offset.y < limit.min.y) { offset.y = this._viscousLimit(offset.y, limit.min.y); } - if (offset.x > limit.max.x) { offset.x = this._viscousLimit(offset.x, limit.max.x); } - if (offset.y > limit.max.y) { offset.y = this._viscousLimit(offset.y, limit.max.y); } - - this._draggable._newPos = this._draggable._startPos.add(offset); - }, - - _onPreDragWrap: function () { - // TODO refactor to be able to adjust map pane position after zoom - var worldWidth = this._worldWidth, - halfWidth = Math.round(worldWidth / 2), - dx = this._initialWorldOffset, - x = this._draggable._newPos.x, - newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx, - newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx, - newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2; - - this._draggable._absPos = this._draggable._newPos.clone(); - this._draggable._newPos.x = newX; - }, - - _onDragEnd: function (e) { - var map = this._map, - options = map.options, - - noInertia = !options.inertia || this._times.length < 2; - - map.fire('dragend', e); - - if (noInertia) { - map.fire('moveend'); - - } else { - this._prunePositions(+new Date()); - - var direction = this._lastPos.subtract(this._positions[0]), - duration = (this._lastTime - this._times[0]) / 1000, - ease = options.easeLinearity, - - speedVector = direction.multiplyBy(ease / duration), - speed = speedVector.distanceTo([0, 0]), - - limitedSpeed = Math.min(options.inertiaMaxSpeed, speed), - limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed), - - decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease), - offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round(); - - if (!offset.x && !offset.y) { - map.fire('moveend'); - - } else { - offset = map._limitOffset(offset, map.options.maxBounds); - - requestAnimFrame(function () { - map.panBy(offset, { - duration: decelerationDuration, - easeLinearity: ease, - noMoveStart: true, - animate: true - }); - }); - } - } - } -}); - -// @section Handlers -// @property dragging: Handler -// Map dragging handler (by both mouse and touch). -Map.addInitHook('addHandler', 'dragging', Drag); - -/* - * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default. - */ - -// @namespace Map -// @section Keyboard Navigation Options -Map.mergeOptions({ - // @option keyboard: Boolean = true - // Makes the map focusable and allows users to navigate the map with keyboard - // arrows and `+`/`-` keys. - keyboard: true, - - // @option keyboardPanDelta: Number = 80 - // Amount of pixels to pan when pressing an arrow key. - keyboardPanDelta: 80 -}); - -var Keyboard = Handler.extend({ - - keyCodes: { - left: [37], - right: [39], - down: [40], - up: [38], - zoomIn: [187, 107, 61, 171], - zoomOut: [189, 109, 54, 173] - }, - - initialize: function (map) { - this._map = map; - - this._setPanDelta(map.options.keyboardPanDelta); - this._setZoomDelta(map.options.zoomDelta); - }, - - addHooks: function () { - var container = this._map._container; - - // make the container focusable by tabbing - if (container.tabIndex <= 0) { - container.tabIndex = '0'; - } - - on(container, { - focus: this._onFocus, - blur: this._onBlur, - mousedown: this._onMouseDown - }, this); - - this._map.on({ - focus: this._addHooks, - blur: this._removeHooks - }, this); - }, - - removeHooks: function () { - this._removeHooks(); - - off(this._map._container, { - focus: this._onFocus, - blur: this._onBlur, - mousedown: this._onMouseDown - }, this); - - this._map.off({ - focus: this._addHooks, - blur: this._removeHooks - }, this); - }, - - _onMouseDown: function () { - if (this._focused) { return; } - - var body = document.body, - docEl = document.documentElement, - top = body.scrollTop || docEl.scrollTop, - left = body.scrollLeft || docEl.scrollLeft; - - this._map._container.focus(); - - window.scrollTo(left, top); - }, - - _onFocus: function () { - this._focused = true; - this._map.fire('focus'); - }, - - _onBlur: function () { - this._focused = false; - this._map.fire('blur'); - }, - - _setPanDelta: function (panDelta) { - var keys = this._panKeys = {}, - codes = this.keyCodes, - i, len; - - for (i = 0, len = codes.left.length; i < len; i++) { - keys[codes.left[i]] = [-1 * panDelta, 0]; - } - for (i = 0, len = codes.right.length; i < len; i++) { - keys[codes.right[i]] = [panDelta, 0]; - } - for (i = 0, len = codes.down.length; i < len; i++) { - keys[codes.down[i]] = [0, panDelta]; - } - for (i = 0, len = codes.up.length; i < len; i++) { - keys[codes.up[i]] = [0, -1 * panDelta]; - } - }, - - _setZoomDelta: function (zoomDelta) { - var keys = this._zoomKeys = {}, - codes = this.keyCodes, - i, len; - - for (i = 0, len = codes.zoomIn.length; i < len; i++) { - keys[codes.zoomIn[i]] = zoomDelta; - } - for (i = 0, len = codes.zoomOut.length; i < len; i++) { - keys[codes.zoomOut[i]] = -zoomDelta; - } - }, - - _addHooks: function () { - on(document, 'keydown', this._onKeyDown, this); - }, - - _removeHooks: function () { - off(document, 'keydown', this._onKeyDown, this); - }, - - _onKeyDown: function (e) { - if (e.altKey || e.ctrlKey || e.metaKey) { return; } - - var key = e.keyCode, - map = this._map, - offset; - - if (key in this._panKeys) { - if (!map._panAnim || !map._panAnim._inProgress) { - offset = this._panKeys[key]; - if (e.shiftKey) { - offset = toPoint(offset).multiplyBy(3); - } - - map.panBy(offset); - - if (map.options.maxBounds) { - map.panInsideBounds(map.options.maxBounds); - } - } - } else if (key in this._zoomKeys) { - map.setZoom(map.getZoom() + (e.shiftKey ? 3 : 1) * this._zoomKeys[key]); - - } else if (key === 27 && map._popup && map._popup.options.closeOnEscapeKey) { - map.closePopup(); - - } else { - return; - } - - stop(e); - } -}); - -// @section Handlers -// @section Handlers -// @property keyboard: Handler -// Keyboard navigation handler. -Map.addInitHook('addHandler', 'keyboard', Keyboard); - -/* - * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @section Mousewheel options - // @option scrollWheelZoom: Boolean|String = true - // Whether the map can be zoomed by using the mouse wheel. If passed `'center'`, - // it will zoom to the center of the view regardless of where the mouse was. - scrollWheelZoom: true, - - // @option wheelDebounceTime: Number = 40 - // Limits the rate at which a wheel can fire (in milliseconds). By default - // user can't zoom via wheel more often than once per 40 ms. - wheelDebounceTime: 40, - - // @option wheelPxPerZoomLevel: Number = 60 - // How many scroll pixels (as reported by [L.DomEvent.getWheelDelta](#domevent-getwheeldelta)) - // mean a change of one full zoom level. Smaller values will make wheel-zooming - // faster (and vice versa). - wheelPxPerZoomLevel: 60 -}); - -var ScrollWheelZoom = Handler.extend({ - addHooks: function () { - on(this._map._container, 'mousewheel', this._onWheelScroll, this); - - this._delta = 0; - }, - - removeHooks: function () { - off(this._map._container, 'mousewheel', this._onWheelScroll, this); - }, - - _onWheelScroll: function (e) { - var delta = getWheelDelta(e); - - var debounce = this._map.options.wheelDebounceTime; - - this._delta += delta; - this._lastMousePos = this._map.mouseEventToContainerPoint(e); - - if (!this._startTime) { - this._startTime = +new Date(); - } - - var left = Math.max(debounce - (+new Date() - this._startTime), 0); - - clearTimeout(this._timer); - this._timer = setTimeout(bind(this._performZoom, this), left); - - stop(e); - }, - - _performZoom: function () { - var map = this._map, - zoom = map.getZoom(), - snap = this._map.options.zoomSnap || 0; - - map._stop(); // stop panning and fly animations if any - - // map the delta with a sigmoid function to -4..4 range leaning on -1..1 - var d2 = this._delta / (this._map.options.wheelPxPerZoomLevel * 4), - d3 = 4 * Math.log(2 / (1 + Math.exp(-Math.abs(d2)))) / Math.LN2, - d4 = snap ? Math.ceil(d3 / snap) * snap : d3, - delta = map._limitZoom(zoom + (this._delta > 0 ? d4 : -d4)) - zoom; - - this._delta = 0; - this._startTime = null; - - if (!delta) { return; } - - if (map.options.scrollWheelZoom === 'center') { - map.setZoom(zoom + delta); - } else { - map.setZoomAround(this._lastMousePos, zoom + delta); - } - } -}); - -// @section Handlers -// @property scrollWheelZoom: Handler -// Scroll wheel zoom handler. -Map.addInitHook('addHandler', 'scrollWheelZoom', ScrollWheelZoom); - -/* - * L.Map.Tap is used to enable mobile hacks like quick taps and long hold. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @section Touch interaction options - // @option tap: Boolean = true - // Enables mobile hacks for supporting instant taps (fixing 200ms click - // delay on iOS/Android) and touch holds (fired as `contextmenu` events). - tap: true, - - // @option tapTolerance: Number = 15 - // The max number of pixels a user can shift his finger during touch - // for it to be considered a valid tap. - tapTolerance: 15 -}); - -var Tap = Handler.extend({ - addHooks: function () { - on(this._map._container, 'touchstart', this._onDown, this); - }, - - removeHooks: function () { - off(this._map._container, 'touchstart', this._onDown, this); - }, - - _onDown: function (e) { - if (!e.touches) { return; } - - preventDefault(e); - - this._fireClick = true; - - // don't simulate click or track longpress if more than 1 touch - if (e.touches.length > 1) { - this._fireClick = false; - clearTimeout(this._holdTimeout); - return; - } - - var first = e.touches[0], - el = first.target; - - this._startPos = this._newPos = new Point(first.clientX, first.clientY); - - // if touching a link, highlight it - if (el.tagName && el.tagName.toLowerCase() === 'a') { - addClass(el, 'leaflet-active'); - } - - // simulate long hold but setting a timeout - this._holdTimeout = setTimeout(bind(function () { - if (this._isTapValid()) { - this._fireClick = false; - this._onUp(); - this._simulateEvent('contextmenu', first); - } - }, this), 1000); - - this._simulateEvent('mousedown', first); - - on(document, { - touchmove: this._onMove, - touchend: this._onUp - }, this); - }, - - _onUp: function (e) { - clearTimeout(this._holdTimeout); - - off(document, { - touchmove: this._onMove, - touchend: this._onUp - }, this); - - if (this._fireClick && e && e.changedTouches) { - - var first = e.changedTouches[0], - el = first.target; - - if (el && el.tagName && el.tagName.toLowerCase() === 'a') { - removeClass(el, 'leaflet-active'); - } - - this._simulateEvent('mouseup', first); - - // simulate click if the touch didn't move too much - if (this._isTapValid()) { - this._simulateEvent('click', first); - } - } - }, - - _isTapValid: function () { - return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance; - }, - - _onMove: function (e) { - var first = e.touches[0]; - this._newPos = new Point(first.clientX, first.clientY); - this._simulateEvent('mousemove', first); - }, - - _simulateEvent: function (type, e) { - var simulatedEvent = document.createEvent('MouseEvents'); - - simulatedEvent._simulated = true; - e.target._simulatedClick = true; - - simulatedEvent.initMouseEvent( - type, true, true, window, 1, - e.screenX, e.screenY, - e.clientX, e.clientY, - false, false, false, false, 0, null); - - e.target.dispatchEvent(simulatedEvent); - } -}); - -// @section Handlers -// @property tap: Handler -// Mobile touch hacks (quick tap and touch hold) handler. -if (touch && !pointer) { - Map.addInitHook('addHandler', 'tap', Tap); -} - -/* - * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @section Touch interaction options - // @option touchZoom: Boolean|String = * - // Whether the map can be zoomed by touch-dragging with two fingers. If - // passed `'center'`, it will zoom to the center of the view regardless of - // where the touch events (fingers) were. Enabled for touch-capable web - // browsers except for old Androids. - touchZoom: touch && !android23, - - // @option bounceAtZoomLimits: Boolean = true - // Set it to false if you don't want the map to zoom beyond min/max zoom - // and then bounce back when pinch-zooming. - bounceAtZoomLimits: true -}); - -var TouchZoom = Handler.extend({ - addHooks: function () { - addClass(this._map._container, 'leaflet-touch-zoom'); - on(this._map._container, 'touchstart', this._onTouchStart, this); - }, - - removeHooks: function () { - removeClass(this._map._container, 'leaflet-touch-zoom'); - off(this._map._container, 'touchstart', this._onTouchStart, this); - }, - - _onTouchStart: function (e) { - var map = this._map; - if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; } - - var p1 = map.mouseEventToContainerPoint(e.touches[0]), - p2 = map.mouseEventToContainerPoint(e.touches[1]); - - this._centerPoint = map.getSize()._divideBy(2); - this._startLatLng = map.containerPointToLatLng(this._centerPoint); - if (map.options.touchZoom !== 'center') { - this._pinchStartLatLng = map.containerPointToLatLng(p1.add(p2)._divideBy(2)); - } - - this._startDist = p1.distanceTo(p2); - this._startZoom = map.getZoom(); - - this._moved = false; - this._zooming = true; - - map._stop(); - - on(document, 'touchmove', this._onTouchMove, this); - on(document, 'touchend', this._onTouchEnd, this); - - preventDefault(e); - }, - - _onTouchMove: function (e) { - if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; } - - var map = this._map, - p1 = map.mouseEventToContainerPoint(e.touches[0]), - p2 = map.mouseEventToContainerPoint(e.touches[1]), - scale = p1.distanceTo(p2) / this._startDist; - - this._zoom = map.getScaleZoom(scale, this._startZoom); - - if (!map.options.bounceAtZoomLimits && ( - (this._zoom < map.getMinZoom() && scale < 1) || - (this._zoom > map.getMaxZoom() && scale > 1))) { - this._zoom = map._limitZoom(this._zoom); - } - - if (map.options.touchZoom === 'center') { - this._center = this._startLatLng; - if (scale === 1) { return; } - } else { - // Get delta from pinch to center, so centerLatLng is delta applied to initial pinchLatLng - var delta = p1._add(p2)._divideBy(2)._subtract(this._centerPoint); - if (scale === 1 && delta.x === 0 && delta.y === 0) { return; } - this._center = map.unproject(map.project(this._pinchStartLatLng, this._zoom).subtract(delta), this._zoom); - } - - if (!this._moved) { - map._moveStart(true, false); - this._moved = true; - } - - cancelAnimFrame(this._animRequest); - - var moveFn = bind(map._move, map, this._center, this._zoom, {pinch: true, round: false}); - this._animRequest = requestAnimFrame(moveFn, this, true); - - preventDefault(e); - }, - - _onTouchEnd: function () { - if (!this._moved || !this._zooming) { - this._zooming = false; - return; - } - - this._zooming = false; - cancelAnimFrame(this._animRequest); - - off(document, 'touchmove', this._onTouchMove); - off(document, 'touchend', this._onTouchEnd); - - // Pinch updates GridLayers' levels only when zoomSnap is off, so zoomSnap becomes noUpdate. - if (this._map.options.zoomAnimation) { - this._map._animateZoom(this._center, this._map._limitZoom(this._zoom), true, this._map.options.zoomSnap); - } else { - this._map._resetView(this._center, this._map._limitZoom(this._zoom)); - } - } -}); - -// @section Handlers -// @property touchZoom: Handler -// Touch zoom handler. -Map.addInitHook('addHandler', 'touchZoom', TouchZoom); - -Map.BoxZoom = BoxZoom; -Map.DoubleClickZoom = DoubleClickZoom; -Map.Drag = Drag; -Map.Keyboard = Keyboard; -Map.ScrollWheelZoom = ScrollWheelZoom; -Map.Tap = Tap; -Map.TouchZoom = TouchZoom; - -Object.freeze = freeze; - -export { version, Control, control, Browser, Evented, Mixin, Util, Class, Handler, extend, bind, stamp, setOptions, DomEvent, DomUtil, PosAnimation, Draggable, LineUtil, PolyUtil, Point, toPoint as point, Bounds, toBounds as bounds, Transformation, toTransformation as transformation, index as Projection, LatLng, toLatLng as latLng, LatLngBounds, toLatLngBounds as latLngBounds, CRS, GeoJSON, geoJSON, geoJson, Layer, LayerGroup, layerGroup, FeatureGroup, featureGroup, ImageOverlay, imageOverlay, VideoOverlay, videoOverlay, DivOverlay, Popup, popup, Tooltip, tooltip, Icon, icon, DivIcon, divIcon, Marker, marker, TileLayer, tileLayer, GridLayer, gridLayer, SVG, svg$1 as svg, Renderer, Canvas, canvas$1 as canvas, Path, CircleMarker, circleMarker, Circle, circle, Polyline, polyline, Polygon, polygon, Rectangle, rectangle, Map, createMap as map }; -//# sourceMappingURL=leaflet-src.esm.js.map +} + +TileLayer.WMS = TileLayerWMS; +tileLayer.wms = tileLayerWMS; + +/* + * @class Renderer + * @inherits Layer + * @aka L.Renderer + * + * Base class for vector renderer implementations (`SVG`, `Canvas`). Handles the + * DOM container of the renderer, its bounds, and its zoom animation. + * + * A `Renderer` works as an implicit layer group for all `Path`s - the renderer + * itself can be added or removed to the map. All paths use a renderer, which can + * be implicit (the map will decide the type of renderer and use it automatically) + * or explicit (using the [`renderer`](#path-renderer) option of the path). + * + * Do not use this class directly, use `SVG` and `Canvas` instead. + * + * @event update: Event + * Fired when the renderer updates its bounds, center and zoom, for example when + * its map has moved + */ + +var Renderer = Layer.extend({ + + // @section + // @aka Renderer options + options: { + // @option padding: Number = 0.1 + // How much to extend the clip area around the map view (relative to its size) + // e.g. 0.1 would be 10% of map view in each direction + padding: 0.1, + + // @option tolerance: Number = 0 + // How much to extend click tolerance round a path/object on the map + tolerance : 0 + }, + + initialize: function (options) { + setOptions(this, options); + stamp(this); + this._layers = this._layers || {}; + }, + + onAdd: function () { + if (!this._container) { + this._initContainer(); // defined by renderer implementations + + if (this._zoomAnimated) { + addClass(this._container, 'leaflet-zoom-animated'); + } + } + + this.getPane().appendChild(this._container); + this._update(); + this.on('update', this._updatePaths, this); + }, + + onRemove: function () { + this.off('update', this._updatePaths, this); + this._destroyContainer(); + }, + + getEvents: function () { + var events = { + viewreset: this._reset, + zoom: this._onZoom, + moveend: this._update, + zoomend: this._onZoomEnd + }; + if (this._zoomAnimated) { + events.zoomanim = this._onAnimZoom; + } + return events; + }, + + _onAnimZoom: function (ev) { + this._updateTransform(ev.center, ev.zoom); + }, + + _onZoom: function () { + this._updateTransform(this._map.getCenter(), this._map.getZoom()); + }, + + _updateTransform: function (center, zoom) { + var scale = this._map.getZoomScale(zoom, this._zoom), + position = getPosition(this._container), + viewHalf = this._map.getSize().multiplyBy(0.5 + this.options.padding), + currentCenterPoint = this._map.project(this._center, zoom), + destCenterPoint = this._map.project(center, zoom), + centerOffset = destCenterPoint.subtract(currentCenterPoint), + + topLeftOffset = viewHalf.multiplyBy(-scale).add(position).add(viewHalf).subtract(centerOffset); + + if (any3d) { + setTransform(this._container, topLeftOffset, scale); + } else { + setPosition(this._container, topLeftOffset); + } + }, + + _reset: function () { + this._update(); + this._updateTransform(this._center, this._zoom); + + for (var id in this._layers) { + this._layers[id]._reset(); + } + }, + + _onZoomEnd: function () { + for (var id in this._layers) { + this._layers[id]._project(); + } + }, + + _updatePaths: function () { + for (var id in this._layers) { + this._layers[id]._update(); + } + }, + + _update: function () { + // Update pixel bounds of renderer container (for positioning/sizing/clipping later) + // Subclasses are responsible of firing the 'update' event. + var p = this.options.padding, + size = this._map.getSize(), + min = this._map.containerPointToLayerPoint(size.multiplyBy(-p)).round(); + + this._bounds = new Bounds(min, min.add(size.multiplyBy(1 + p * 2)).round()); + + this._center = this._map.getCenter(); + this._zoom = this._map.getZoom(); + } +}); + +/* + * @class Canvas + * @inherits Renderer + * @aka L.Canvas + * + * Allows vector layers to be displayed with [``](https://developer.mozilla.org/docs/Web/API/Canvas_API). + * Inherits `Renderer`. + * + * Due to [technical limitations](http://caniuse.com/#search=canvas), Canvas is not + * available in all web browsers, notably IE8, and overlapping geometries might + * not display properly in some edge cases. + * + * @example + * + * Use Canvas by default for all paths in the map: + * + * ```js + * var map = L.map('map', { + * renderer: L.canvas() + * }); + * ``` + * + * Use a Canvas renderer with extra padding for specific vector geometries: + * + * ```js + * var map = L.map('map'); + * var myRenderer = L.canvas({ padding: 0.5 }); + * var line = L.polyline( coordinates, { renderer: myRenderer } ); + * var circle = L.circle( center, { renderer: myRenderer } ); + * ``` + */ + +var Canvas = Renderer.extend({ + getEvents: function () { + var events = Renderer.prototype.getEvents.call(this); + events.viewprereset = this._onViewPreReset; + return events; + }, + + _onViewPreReset: function () { + // Set a flag so that a viewprereset+moveend+viewreset only updates&redraws once + this._postponeUpdatePaths = true; + }, + + onAdd: function () { + Renderer.prototype.onAdd.call(this); + + // Redraw vectors since canvas is cleared upon removal, + // in case of removing the renderer itself from the map. + this._draw(); + }, + + _initContainer: function () { + var container = this._container = document.createElement('canvas'); + + on(container, 'mousemove', throttle(this._onMouseMove, 32, this), this); + on(container, 'click dblclick mousedown mouseup contextmenu', this._onClick, this); + on(container, 'mouseout', this._handleMouseOut, this); + + this._ctx = container.getContext('2d'); + }, + + _destroyContainer: function () { + cancelAnimFrame(this._redrawRequest); + delete this._ctx; + remove(this._container); + off(this._container); + delete this._container; + }, + + _updatePaths: function () { + if (this._postponeUpdatePaths) { return; } + + var layer; + this._redrawBounds = null; + for (var id in this._layers) { + layer = this._layers[id]; + layer._update(); + } + this._redraw(); + }, + + _update: function () { + if (this._map._animatingZoom && this._bounds) { return; } + + this._drawnLayers = {}; + + Renderer.prototype._update.call(this); + + var b = this._bounds, + container = this._container, + size = b.getSize(), + m = retina ? 2 : 1; + + setPosition(container, b.min); + + // set canvas size (also clearing it); use double size on retina + container.width = m * size.x; + container.height = m * size.y; + container.style.width = size.x + 'px'; + container.style.height = size.y + 'px'; + + if (retina) { + this._ctx.scale(2, 2); + } + + // translate so we use the same path coordinates after canvas element moves + this._ctx.translate(-b.min.x, -b.min.y); + + // Tell paths to redraw themselves + this.fire('update'); + }, + + _reset: function () { + Renderer.prototype._reset.call(this); + + if (this._postponeUpdatePaths) { + this._postponeUpdatePaths = false; + this._updatePaths(); + } + }, + + _initPath: function (layer) { + this._updateDashArray(layer); + this._layers[stamp(layer)] = layer; + + var order = layer._order = { + layer: layer, + prev: this._drawLast, + next: null + }; + if (this._drawLast) { this._drawLast.next = order; } + this._drawLast = order; + this._drawFirst = this._drawFirst || this._drawLast; + }, + + _addPath: function (layer) { + this._requestRedraw(layer); + }, + + _removePath: function (layer) { + var order = layer._order; + var next = order.next; + var prev = order.prev; + + if (next) { + next.prev = prev; + } else { + this._drawLast = prev; + } + if (prev) { + prev.next = next; + } else { + this._drawFirst = next; + } + + delete this._drawnLayers[layer._leaflet_id]; + + delete layer._order; + + delete this._layers[stamp(layer)]; + + this._requestRedraw(layer); + }, + + _updatePath: function (layer) { + // Redraw the union of the layer's old pixel + // bounds and the new pixel bounds. + this._extendRedrawBounds(layer); + layer._project(); + layer._update(); + // The redraw will extend the redraw bounds + // with the new pixel bounds. + this._requestRedraw(layer); + }, + + _updateStyle: function (layer) { + this._updateDashArray(layer); + this._requestRedraw(layer); + }, + + _updateDashArray: function (layer) { + if (typeof layer.options.dashArray === 'string') { + var parts = layer.options.dashArray.split(/[, ]+/), + dashArray = [], + i; + for (i = 0; i < parts.length; i++) { + dashArray.push(Number(parts[i])); + } + layer.options._dashArray = dashArray; + } else { + layer.options._dashArray = layer.options.dashArray; + } + }, + + _requestRedraw: function (layer) { + if (!this._map) { return; } + + this._extendRedrawBounds(layer); + this._redrawRequest = this._redrawRequest || requestAnimFrame(this._redraw, this); + }, + + _extendRedrawBounds: function (layer) { + if (layer._pxBounds) { + var padding = (layer.options.weight || 0) + 1; + this._redrawBounds = this._redrawBounds || new Bounds(); + this._redrawBounds.extend(layer._pxBounds.min.subtract([padding, padding])); + this._redrawBounds.extend(layer._pxBounds.max.add([padding, padding])); + } + }, + + _redraw: function () { + this._redrawRequest = null; + + if (this._redrawBounds) { + this._redrawBounds.min._floor(); + this._redrawBounds.max._ceil(); + } + + this._clear(); // clear layers in redraw bounds + this._draw(); // draw layers + + this._redrawBounds = null; + }, + + _clear: function () { + var bounds = this._redrawBounds; + if (bounds) { + var size = bounds.getSize(); + this._ctx.clearRect(bounds.min.x, bounds.min.y, size.x, size.y); + } else { + this._ctx.clearRect(0, 0, this._container.width, this._container.height); + } + }, + + _draw: function () { + var layer, bounds = this._redrawBounds; + this._ctx.save(); + if (bounds) { + var size = bounds.getSize(); + this._ctx.beginPath(); + this._ctx.rect(bounds.min.x, bounds.min.y, size.x, size.y); + this._ctx.clip(); + } + + this._drawing = true; + + for (var order = this._drawFirst; order; order = order.next) { + layer = order.layer; + if (!bounds || (layer._pxBounds && layer._pxBounds.intersects(bounds))) { + layer._updatePath(); + } + } + + this._drawing = false; + + this._ctx.restore(); // Restore state before clipping. + }, + + _updatePoly: function (layer, closed) { + if (!this._drawing) { return; } + + var i, j, len2, p, + parts = layer._parts, + len = parts.length, + ctx = this._ctx; + + if (!len) { return; } + + this._drawnLayers[layer._leaflet_id] = layer; + + ctx.beginPath(); + + for (i = 0; i < len; i++) { + for (j = 0, len2 = parts[i].length; j < len2; j++) { + p = parts[i][j]; + ctx[j ? 'lineTo' : 'moveTo'](p.x, p.y); + } + if (closed) { + ctx.closePath(); + } + } + + this._fillStroke(ctx, layer); + + // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature + }, + + _updateCircle: function (layer) { + + if (!this._drawing || layer._empty()) { return; } + + var p = layer._point, + ctx = this._ctx, + r = Math.max(Math.round(layer._radius), 1), + s = (Math.max(Math.round(layer._radiusY), 1) || r) / r; + + this._drawnLayers[layer._leaflet_id] = layer; + + if (s !== 1) { + ctx.save(); + ctx.scale(1, s); + } + + ctx.beginPath(); + ctx.arc(p.x, p.y / s, r, 0, Math.PI * 2, false); + + if (s !== 1) { + ctx.restore(); + } + + this._fillStroke(ctx, layer); + }, + + _fillStroke: function (ctx, layer) { + var options = layer.options; + + if (options.fill) { + ctx.globalAlpha = options.fillOpacity; + ctx.fillStyle = options.fillColor || options.color; + ctx.fill(options.fillRule || 'evenodd'); + } + + if (options.stroke && options.weight !== 0) { + if (ctx.setLineDash) { + ctx.setLineDash(layer.options && layer.options._dashArray || []); + } + ctx.globalAlpha = options.opacity; + ctx.lineWidth = options.weight; + ctx.strokeStyle = options.color; + ctx.lineCap = options.lineCap; + ctx.lineJoin = options.lineJoin; + ctx.stroke(); + } + }, + + // Canvas obviously doesn't have mouse events for individual drawn objects, + // so we emulate that by calculating what's under the mouse on mousemove/click manually + + _onClick: function (e) { + var point = this._map.mouseEventToLayerPoint(e), layer, clickedLayer; + + for (var order = this._drawFirst; order; order = order.next) { + layer = order.layer; + if (layer.options.interactive && layer._containsPoint(point) && !this._map._draggableMoved(layer)) { + clickedLayer = layer; + } + } + if (clickedLayer) { + fakeStop(e); + this._fireEvent([clickedLayer], e); + } + }, + + _onMouseMove: function (e) { + if (!this._map || this._map.dragging.moving() || this._map._animatingZoom) { return; } + + var point = this._map.mouseEventToLayerPoint(e); + this._handleMouseHover(e, point); + }, + + + _handleMouseOut: function (e) { + var layer = this._hoveredLayer; + if (layer) { + // if we're leaving the layer, fire mouseout + removeClass(this._container, 'leaflet-interactive'); + this._fireEvent([layer], e, 'mouseout'); + this._hoveredLayer = null; + } + }, + + _handleMouseHover: function (e, point) { + var layer, candidateHoveredLayer; + + for (var order = this._drawFirst; order; order = order.next) { + layer = order.layer; + if (layer.options.interactive && layer._containsPoint(point)) { + candidateHoveredLayer = layer; + } + } + + if (candidateHoveredLayer !== this._hoveredLayer) { + this._handleMouseOut(e); + + if (candidateHoveredLayer) { + addClass(this._container, 'leaflet-interactive'); // change cursor + this._fireEvent([candidateHoveredLayer], e, 'mouseover'); + this._hoveredLayer = candidateHoveredLayer; + } + } + + if (this._hoveredLayer) { + this._fireEvent([this._hoveredLayer], e); + } + }, + + _fireEvent: function (layers, e, type) { + this._map._fireDOMEvent(e, type || e.type, layers); + }, + + _bringToFront: function (layer) { + var order = layer._order; + var next = order.next; + var prev = order.prev; + + if (next) { + next.prev = prev; + } else { + // Already last + return; + } + if (prev) { + prev.next = next; + } else if (next) { + // Update first entry unless this is the + // single entry + this._drawFirst = next; + } + + order.prev = this._drawLast; + this._drawLast.next = order; + + order.next = null; + this._drawLast = order; + + this._requestRedraw(layer); + }, + + _bringToBack: function (layer) { + var order = layer._order; + var next = order.next; + var prev = order.prev; + + if (prev) { + prev.next = next; + } else { + // Already first + return; + } + if (next) { + next.prev = prev; + } else if (prev) { + // Update last entry unless this is the + // single entry + this._drawLast = prev; + } + + order.prev = null; + + order.next = this._drawFirst; + this._drawFirst.prev = order; + this._drawFirst = order; + + this._requestRedraw(layer); + } +}); + +// @factory L.canvas(options?: Renderer options) +// Creates a Canvas renderer with the given options. +function canvas$1(options) { + return canvas ? new Canvas(options) : null; +} + +/* + * Thanks to Dmitry Baranovsky and his Raphael library for inspiration! + */ + + +var vmlCreate = (function () { + try { + document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml'); + return function (name) { + return document.createElement(''); + }; + } catch (e) { + return function (name) { + return document.createElement('<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">'); + }; + } +})(); + + +/* + * @class SVG + * + * Although SVG is not available on IE7 and IE8, these browsers support [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language), and the SVG renderer will fall back to VML in this case. + * + * VML was deprecated in 2012, which means VML functionality exists only for backwards compatibility + * with old versions of Internet Explorer. + */ + +// mixin to redefine some SVG methods to handle VML syntax which is similar but with some differences +var vmlMixin = { + + _initContainer: function () { + this._container = create$1('div', 'leaflet-vml-container'); + }, + + _update: function () { + if (this._map._animatingZoom) { return; } + Renderer.prototype._update.call(this); + this.fire('update'); + }, + + _initPath: function (layer) { + var container = layer._container = vmlCreate('shape'); + + addClass(container, 'leaflet-vml-shape ' + (this.options.className || '')); + + container.coordsize = '1 1'; + + layer._path = vmlCreate('path'); + container.appendChild(layer._path); + + this._updateStyle(layer); + this._layers[stamp(layer)] = layer; + }, + + _addPath: function (layer) { + var container = layer._container; + this._container.appendChild(container); + + if (layer.options.interactive) { + layer.addInteractiveTarget(container); + } + }, + + _removePath: function (layer) { + var container = layer._container; + remove(container); + layer.removeInteractiveTarget(container); + delete this._layers[stamp(layer)]; + }, + + _updateStyle: function (layer) { + var stroke = layer._stroke, + fill = layer._fill, + options = layer.options, + container = layer._container; + + container.stroked = !!options.stroke; + container.filled = !!options.fill; + + if (options.stroke) { + if (!stroke) { + stroke = layer._stroke = vmlCreate('stroke'); + } + container.appendChild(stroke); + stroke.weight = options.weight + 'px'; + stroke.color = options.color; + stroke.opacity = options.opacity; + + if (options.dashArray) { + stroke.dashStyle = isArray(options.dashArray) ? + options.dashArray.join(' ') : + options.dashArray.replace(/( *, *)/g, ' '); + } else { + stroke.dashStyle = ''; + } + stroke.endcap = options.lineCap.replace('butt', 'flat'); + stroke.joinstyle = options.lineJoin; + + } else if (stroke) { + container.removeChild(stroke); + layer._stroke = null; + } + + if (options.fill) { + if (!fill) { + fill = layer._fill = vmlCreate('fill'); + } + container.appendChild(fill); + fill.color = options.fillColor || options.color; + fill.opacity = options.fillOpacity; + + } else if (fill) { + container.removeChild(fill); + layer._fill = null; + } + }, + + _updateCircle: function (layer) { + var p = layer._point.round(), + r = Math.round(layer._radius), + r2 = Math.round(layer._radiusY || r); + + this._setPath(layer, layer._empty() ? 'M0 0' : + 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r2 + ' 0,' + (65535 * 360)); + }, + + _setPath: function (layer, path) { + layer._path.v = path; + }, + + _bringToFront: function (layer) { + toFront(layer._container); + }, + + _bringToBack: function (layer) { + toBack(layer._container); + } +}; + +var create$2 = vml ? vmlCreate : svgCreate; + +/* + * @class SVG + * @inherits Renderer + * @aka L.SVG + * + * Allows vector layers to be displayed with [SVG](https://developer.mozilla.org/docs/Web/SVG). + * Inherits `Renderer`. + * + * Due to [technical limitations](http://caniuse.com/#search=svg), SVG is not + * available in all web browsers, notably Android 2.x and 3.x. + * + * Although SVG is not available on IE7 and IE8, these browsers support + * [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language) + * (a now deprecated technology), and the SVG renderer will fall back to VML in + * this case. + * + * @example + * + * Use SVG by default for all paths in the map: + * + * ```js + * var map = L.map('map', { + * renderer: L.svg() + * }); + * ``` + * + * Use a SVG renderer with extra padding for specific vector geometries: + * + * ```js + * var map = L.map('map'); + * var myRenderer = L.svg({ padding: 0.5 }); + * var line = L.polyline( coordinates, { renderer: myRenderer } ); + * var circle = L.circle( center, { renderer: myRenderer } ); + * ``` + */ + +var SVG = Renderer.extend({ + + getEvents: function () { + var events = Renderer.prototype.getEvents.call(this); + events.zoomstart = this._onZoomStart; + return events; + }, + + _initContainer: function () { + this._container = create$2('svg'); + + // makes it possible to click through svg root; we'll reset it back in individual paths + this._container.setAttribute('pointer-events', 'none'); + + this._rootGroup = create$2('g'); + this._container.appendChild(this._rootGroup); + }, + + _destroyContainer: function () { + remove(this._container); + off(this._container); + delete this._container; + delete this._rootGroup; + delete this._svgSize; + }, + + _onZoomStart: function () { + // Drag-then-pinch interactions might mess up the center and zoom. + // In this case, the easiest way to prevent this is re-do the renderer + // bounds and padding when the zooming starts. + this._update(); + }, + + _update: function () { + if (this._map._animatingZoom && this._bounds) { return; } + + Renderer.prototype._update.call(this); + + var b = this._bounds, + size = b.getSize(), + container = this._container; + + // set size of svg-container if changed + if (!this._svgSize || !this._svgSize.equals(size)) { + this._svgSize = size; + container.setAttribute('width', size.x); + container.setAttribute('height', size.y); + } + + // movement: update container viewBox so that we don't have to change coordinates of individual layers + setPosition(container, b.min); + container.setAttribute('viewBox', [b.min.x, b.min.y, size.x, size.y].join(' ')); + + this.fire('update'); + }, + + // methods below are called by vector layers implementations + + _initPath: function (layer) { + var path = layer._path = create$2('path'); + + // @namespace Path + // @option className: String = null + // Custom class name set on an element. Only for SVG renderer. + if (layer.options.className) { + addClass(path, layer.options.className); + } + + if (layer.options.interactive) { + addClass(path, 'leaflet-interactive'); + } + + this._updateStyle(layer); + this._layers[stamp(layer)] = layer; + }, + + _addPath: function (layer) { + if (!this._rootGroup) { this._initContainer(); } + this._rootGroup.appendChild(layer._path); + layer.addInteractiveTarget(layer._path); + }, + + _removePath: function (layer) { + remove(layer._path); + layer.removeInteractiveTarget(layer._path); + delete this._layers[stamp(layer)]; + }, + + _updatePath: function (layer) { + layer._project(); + layer._update(); + }, + + _updateStyle: function (layer) { + var path = layer._path, + options = layer.options; + + if (!path) { return; } + + if (options.stroke) { + path.setAttribute('stroke', options.color); + path.setAttribute('stroke-opacity', options.opacity); + path.setAttribute('stroke-width', options.weight); + path.setAttribute('stroke-linecap', options.lineCap); + path.setAttribute('stroke-linejoin', options.lineJoin); + + if (options.dashArray) { + path.setAttribute('stroke-dasharray', options.dashArray); + } else { + path.removeAttribute('stroke-dasharray'); + } + + if (options.dashOffset) { + path.setAttribute('stroke-dashoffset', options.dashOffset); + } else { + path.removeAttribute('stroke-dashoffset'); + } + } else { + path.setAttribute('stroke', 'none'); + } + + if (options.fill) { + path.setAttribute('fill', options.fillColor || options.color); + path.setAttribute('fill-opacity', options.fillOpacity); + path.setAttribute('fill-rule', options.fillRule || 'evenodd'); + } else { + path.setAttribute('fill', 'none'); + } + }, + + _updatePoly: function (layer, closed) { + this._setPath(layer, pointsToPath(layer._parts, closed)); + }, + + _updateCircle: function (layer) { + var p = layer._point, + r = Math.max(Math.round(layer._radius), 1), + r2 = Math.max(Math.round(layer._radiusY), 1) || r, + arc = 'a' + r + ',' + r2 + ' 0 1,0 '; + + // drawing a circle with two half-arcs + var d = layer._empty() ? 'M0 0' : + 'M' + (p.x - r) + ',' + p.y + + arc + (r * 2) + ',0 ' + + arc + (-r * 2) + ',0 '; + + this._setPath(layer, d); + }, + + _setPath: function (layer, path) { + layer._path.setAttribute('d', path); + }, + + // SVG does not have the concept of zIndex so we resort to changing the DOM order of elements + _bringToFront: function (layer) { + toFront(layer._path); + }, + + _bringToBack: function (layer) { + toBack(layer._path); + } +}); + +if (vml) { + SVG.include(vmlMixin); +} + +// @namespace SVG +// @factory L.svg(options?: Renderer options) +// Creates a SVG renderer with the given options. +function svg$1(options) { + return svg || vml ? new SVG(options) : null; +} + +Map.include({ + // @namespace Map; @method getRenderer(layer: Path): Renderer + // Returns the instance of `Renderer` that should be used to render the given + // `Path`. It will ensure that the `renderer` options of the map and paths + // are respected, and that the renderers do exist on the map. + getRenderer: function (layer) { + // @namespace Path; @option renderer: Renderer + // Use this specific instance of `Renderer` for this path. Takes + // precedence over the map's [default renderer](#map-renderer). + var renderer = layer.options.renderer || this._getPaneRenderer(layer.options.pane) || this.options.renderer || this._renderer; + + if (!renderer) { + renderer = this._renderer = this._createRenderer(); + } + + if (!this.hasLayer(renderer)) { + this.addLayer(renderer); + } + return renderer; + }, + + _getPaneRenderer: function (name) { + if (name === 'overlayPane' || name === undefined) { + return false; + } + + var renderer = this._paneRenderers[name]; + if (renderer === undefined) { + renderer = this._createRenderer({pane: name}); + this._paneRenderers[name] = renderer; + } + return renderer; + }, + + _createRenderer: function (options) { + // @namespace Map; @option preferCanvas: Boolean = false + // Whether `Path`s should be rendered on a `Canvas` renderer. + // By default, all `Path`s are rendered in a `SVG` renderer. + return (this.options.preferCanvas && canvas$1(options)) || svg$1(options); + } +}); + +/* + * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object. + */ + +/* + * @class Rectangle + * @aka L.Rectangle + * @inherits Polygon + * + * A class for drawing rectangle overlays on a map. Extends `Polygon`. + * + * @example + * + * ```js + * // define rectangle geographical bounds + * var bounds = [[54.559322, -5.767822], [56.1210604, -3.021240]]; + * + * // create an orange rectangle + * L.rectangle(bounds, {color: "#ff7800", weight: 1}).addTo(map); + * + * // zoom the map to the rectangle bounds + * map.fitBounds(bounds); + * ``` + * + */ + + +var Rectangle = Polygon.extend({ + initialize: function (latLngBounds, options) { + Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options); + }, + + // @method setBounds(latLngBounds: LatLngBounds): this + // Redraws the rectangle with the passed bounds. + setBounds: function (latLngBounds) { + return this.setLatLngs(this._boundsToLatLngs(latLngBounds)); + }, + + _boundsToLatLngs: function (latLngBounds) { + latLngBounds = toLatLngBounds(latLngBounds); + return [ + latLngBounds.getSouthWest(), + latLngBounds.getNorthWest(), + latLngBounds.getNorthEast(), + latLngBounds.getSouthEast() + ]; + } +}); + + +// @factory L.rectangle(latLngBounds: LatLngBounds, options?: Polyline options) +function rectangle(latLngBounds, options) { + return new Rectangle(latLngBounds, options); +} + +SVG.create = create$2; +SVG.pointsToPath = pointsToPath; + +GeoJSON.geometryToLayer = geometryToLayer; +GeoJSON.coordsToLatLng = coordsToLatLng; +GeoJSON.coordsToLatLngs = coordsToLatLngs; +GeoJSON.latLngToCoords = latLngToCoords; +GeoJSON.latLngsToCoords = latLngsToCoords; +GeoJSON.getFeature = getFeature; +GeoJSON.asFeature = asFeature; + +/* + * L.Handler.BoxZoom is used to add shift-drag zoom interaction to the map + * (zoom to a selected bounding box), enabled by default. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @option boxZoom: Boolean = true + // Whether the map can be zoomed to a rectangular area specified by + // dragging the mouse while pressing the shift key. + boxZoom: true +}); + +var BoxZoom = Handler.extend({ + initialize: function (map) { + this._map = map; + this._container = map._container; + this._pane = map._panes.overlayPane; + this._resetStateTimeout = 0; + map.on('unload', this._destroy, this); + }, + + addHooks: function () { + on(this._container, 'mousedown', this._onMouseDown, this); + }, + + removeHooks: function () { + off(this._container, 'mousedown', this._onMouseDown, this); + }, + + moved: function () { + return this._moved; + }, + + _destroy: function () { + remove(this._pane); + delete this._pane; + }, + + _resetState: function () { + this._resetStateTimeout = 0; + this._moved = false; + }, + + _clearDeferredResetState: function () { + if (this._resetStateTimeout !== 0) { + clearTimeout(this._resetStateTimeout); + this._resetStateTimeout = 0; + } + }, + + _onMouseDown: function (e) { + if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; } + + // Clear the deferred resetState if it hasn't executed yet, otherwise it + // will interrupt the interaction and orphan a box element in the container. + this._clearDeferredResetState(); + this._resetState(); + + disableTextSelection(); + disableImageDrag(); + + this._startPoint = this._map.mouseEventToContainerPoint(e); + + on(document, { + contextmenu: stop, + mousemove: this._onMouseMove, + mouseup: this._onMouseUp, + keydown: this._onKeyDown + }, this); + }, + + _onMouseMove: function (e) { + if (!this._moved) { + this._moved = true; + + this._box = create$1('div', 'leaflet-zoom-box', this._container); + addClass(this._container, 'leaflet-crosshair'); + + this._map.fire('boxzoomstart'); + } + + this._point = this._map.mouseEventToContainerPoint(e); + + var bounds = new Bounds(this._point, this._startPoint), + size = bounds.getSize(); + + setPosition(this._box, bounds.min); + + this._box.style.width = size.x + 'px'; + this._box.style.height = size.y + 'px'; + }, + + _finish: function () { + if (this._moved) { + remove(this._box); + removeClass(this._container, 'leaflet-crosshair'); + } + + enableTextSelection(); + enableImageDrag(); + + off(document, { + contextmenu: stop, + mousemove: this._onMouseMove, + mouseup: this._onMouseUp, + keydown: this._onKeyDown + }, this); + }, + + _onMouseUp: function (e) { + if ((e.which !== 1) && (e.button !== 1)) { return; } + + this._finish(); + + if (!this._moved) { return; } + // Postpone to next JS tick so internal click event handling + // still see it as "moved". + this._clearDeferredResetState(); + this._resetStateTimeout = setTimeout(bind(this._resetState, this), 0); + + var bounds = new LatLngBounds( + this._map.containerPointToLatLng(this._startPoint), + this._map.containerPointToLatLng(this._point)); + + this._map + .fitBounds(bounds) + .fire('boxzoomend', {boxZoomBounds: bounds}); + }, + + _onKeyDown: function (e) { + if (e.keyCode === 27) { + this._finish(); + } + } +}); + +// @section Handlers +// @property boxZoom: Handler +// Box (shift-drag with mouse) zoom handler. +Map.addInitHook('addHandler', 'boxZoom', BoxZoom); + +/* + * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default. + */ + +// @namespace Map +// @section Interaction Options + +Map.mergeOptions({ + // @option doubleClickZoom: Boolean|String = true + // Whether the map can be zoomed in by double clicking on it and + // zoomed out by double clicking while holding shift. If passed + // `'center'`, double-click zoom will zoom to the center of the + // view regardless of where the mouse was. + doubleClickZoom: true +}); + +var DoubleClickZoom = Handler.extend({ + addHooks: function () { + this._map.on('dblclick', this._onDoubleClick, this); + }, + + removeHooks: function () { + this._map.off('dblclick', this._onDoubleClick, this); + }, + + _onDoubleClick: function (e) { + var map = this._map, + oldZoom = map.getZoom(), + delta = map.options.zoomDelta, + zoom = e.originalEvent.shiftKey ? oldZoom - delta : oldZoom + delta; + + if (map.options.doubleClickZoom === 'center') { + map.setZoom(zoom); + } else { + map.setZoomAround(e.containerPoint, zoom); + } + } +}); + +// @section Handlers +// +// Map properties include interaction handlers that allow you to control +// interaction behavior in runtime, enabling or disabling certain features such +// as dragging or touch zoom (see `Handler` methods). For example: +// +// ```js +// map.doubleClickZoom.disable(); +// ``` +// +// @property doubleClickZoom: Handler +// Double click zoom handler. +Map.addInitHook('addHandler', 'doubleClickZoom', DoubleClickZoom); + +/* + * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @option dragging: Boolean = true + // Whether the map be draggable with mouse/touch or not. + dragging: true, + + // @section Panning Inertia Options + // @option inertia: Boolean = * + // If enabled, panning of the map will have an inertia effect where + // the map builds momentum while dragging and continues moving in + // the same direction for some time. Feels especially nice on touch + // devices. Enabled by default unless running on old Android devices. + inertia: !android23, + + // @option inertiaDeceleration: Number = 3000 + // The rate with which the inertial movement slows down, in pixels/second². + inertiaDeceleration: 3400, // px/s^2 + + // @option inertiaMaxSpeed: Number = Infinity + // Max speed of the inertial movement, in pixels/second. + inertiaMaxSpeed: Infinity, // px/s + + // @option easeLinearity: Number = 0.2 + easeLinearity: 0.2, + + // TODO refactor, move to CRS + // @option worldCopyJump: Boolean = false + // With this option enabled, the map tracks when you pan to another "copy" + // of the world and seamlessly jumps to the original one so that all overlays + // like markers and vector layers are still visible. + worldCopyJump: false, + + // @option maxBoundsViscosity: Number = 0.0 + // If `maxBounds` is set, this option will control how solid the bounds + // are when dragging the map around. The default value of `0.0` allows the + // user to drag outside the bounds at normal speed, higher values will + // slow down map dragging outside bounds, and `1.0` makes the bounds fully + // solid, preventing the user from dragging outside the bounds. + maxBoundsViscosity: 0.0 +}); + +var Drag = Handler.extend({ + addHooks: function () { + if (!this._draggable) { + var map = this._map; + + this._draggable = new Draggable(map._mapPane, map._container); + + this._draggable.on({ + dragstart: this._onDragStart, + drag: this._onDrag, + dragend: this._onDragEnd + }, this); + + this._draggable.on('predrag', this._onPreDragLimit, this); + if (map.options.worldCopyJump) { + this._draggable.on('predrag', this._onPreDragWrap, this); + map.on('zoomend', this._onZoomEnd, this); + + map.whenReady(this._onZoomEnd, this); + } + } + addClass(this._map._container, 'leaflet-grab leaflet-touch-drag'); + this._draggable.enable(); + this._positions = []; + this._times = []; + }, + + removeHooks: function () { + removeClass(this._map._container, 'leaflet-grab'); + removeClass(this._map._container, 'leaflet-touch-drag'); + this._draggable.disable(); + }, + + moved: function () { + return this._draggable && this._draggable._moved; + }, + + moving: function () { + return this._draggable && this._draggable._moving; + }, + + _onDragStart: function () { + var map = this._map; + + map._stop(); + if (this._map.options.maxBounds && this._map.options.maxBoundsViscosity) { + var bounds = toLatLngBounds(this._map.options.maxBounds); + + this._offsetLimit = toBounds( + this._map.latLngToContainerPoint(bounds.getNorthWest()).multiplyBy(-1), + this._map.latLngToContainerPoint(bounds.getSouthEast()).multiplyBy(-1) + .add(this._map.getSize())); + + this._viscosity = Math.min(1.0, Math.max(0.0, this._map.options.maxBoundsViscosity)); + } else { + this._offsetLimit = null; + } + + map + .fire('movestart') + .fire('dragstart'); + + if (map.options.inertia) { + this._positions = []; + this._times = []; + } + }, + + _onDrag: function (e) { + if (this._map.options.inertia) { + var time = this._lastTime = +new Date(), + pos = this._lastPos = this._draggable._absPos || this._draggable._newPos; + + this._positions.push(pos); + this._times.push(time); + + this._prunePositions(time); + } + + this._map + .fire('move', e) + .fire('drag', e); + }, + + _prunePositions: function (time) { + while (this._positions.length > 1 && time - this._times[0] > 50) { + this._positions.shift(); + this._times.shift(); + } + }, + + _onZoomEnd: function () { + var pxCenter = this._map.getSize().divideBy(2), + pxWorldCenter = this._map.latLngToLayerPoint([0, 0]); + + this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x; + this._worldWidth = this._map.getPixelWorldBounds().getSize().x; + }, + + _viscousLimit: function (value, threshold) { + return value - (value - threshold) * this._viscosity; + }, + + _onPreDragLimit: function () { + if (!this._viscosity || !this._offsetLimit) { return; } + + var offset = this._draggable._newPos.subtract(this._draggable._startPos); + + var limit = this._offsetLimit; + if (offset.x < limit.min.x) { offset.x = this._viscousLimit(offset.x, limit.min.x); } + if (offset.y < limit.min.y) { offset.y = this._viscousLimit(offset.y, limit.min.y); } + if (offset.x > limit.max.x) { offset.x = this._viscousLimit(offset.x, limit.max.x); } + if (offset.y > limit.max.y) { offset.y = this._viscousLimit(offset.y, limit.max.y); } + + this._draggable._newPos = this._draggable._startPos.add(offset); + }, + + _onPreDragWrap: function () { + // TODO refactor to be able to adjust map pane position after zoom + var worldWidth = this._worldWidth, + halfWidth = Math.round(worldWidth / 2), + dx = this._initialWorldOffset, + x = this._draggable._newPos.x, + newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx, + newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx, + newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2; + + this._draggable._absPos = this._draggable._newPos.clone(); + this._draggable._newPos.x = newX; + }, + + _onDragEnd: function (e) { + var map = this._map, + options = map.options, + + noInertia = !options.inertia || this._times.length < 2; + + map.fire('dragend', e); + + if (noInertia) { + map.fire('moveend'); + + } else { + this._prunePositions(+new Date()); + + var direction = this._lastPos.subtract(this._positions[0]), + duration = (this._lastTime - this._times[0]) / 1000, + ease = options.easeLinearity, + + speedVector = direction.multiplyBy(ease / duration), + speed = speedVector.distanceTo([0, 0]), + + limitedSpeed = Math.min(options.inertiaMaxSpeed, speed), + limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed), + + decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease), + offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round(); + + if (!offset.x && !offset.y) { + map.fire('moveend'); + + } else { + offset = map._limitOffset(offset, map.options.maxBounds); + + requestAnimFrame(function () { + map.panBy(offset, { + duration: decelerationDuration, + easeLinearity: ease, + noMoveStart: true, + animate: true + }); + }); + } + } + } +}); + +// @section Handlers +// @property dragging: Handler +// Map dragging handler (by both mouse and touch). +Map.addInitHook('addHandler', 'dragging', Drag); + +/* + * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default. + */ + +// @namespace Map +// @section Keyboard Navigation Options +Map.mergeOptions({ + // @option keyboard: Boolean = true + // Makes the map focusable and allows users to navigate the map with keyboard + // arrows and `+`/`-` keys. + keyboard: true, + + // @option keyboardPanDelta: Number = 80 + // Amount of pixels to pan when pressing an arrow key. + keyboardPanDelta: 80 +}); + +var Keyboard = Handler.extend({ + + keyCodes: { + left: [37], + right: [39], + down: [40], + up: [38], + zoomIn: [187, 107, 61, 171], + zoomOut: [189, 109, 54, 173] + }, + + initialize: function (map) { + this._map = map; + + this._setPanDelta(map.options.keyboardPanDelta); + this._setZoomDelta(map.options.zoomDelta); + }, + + addHooks: function () { + var container = this._map._container; + + // make the container focusable by tabbing + if (container.tabIndex <= 0) { + container.tabIndex = '0'; + } + + on(container, { + focus: this._onFocus, + blur: this._onBlur, + mousedown: this._onMouseDown + }, this); + + this._map.on({ + focus: this._addHooks, + blur: this._removeHooks + }, this); + }, + + removeHooks: function () { + this._removeHooks(); + + off(this._map._container, { + focus: this._onFocus, + blur: this._onBlur, + mousedown: this._onMouseDown + }, this); + + this._map.off({ + focus: this._addHooks, + blur: this._removeHooks + }, this); + }, + + _onMouseDown: function () { + if (this._focused) { return; } + + var body = document.body, + docEl = document.documentElement, + top = body.scrollTop || docEl.scrollTop, + left = body.scrollLeft || docEl.scrollLeft; + + this._map._container.focus(); + + window.scrollTo(left, top); + }, + + _onFocus: function () { + this._focused = true; + this._map.fire('focus'); + }, + + _onBlur: function () { + this._focused = false; + this._map.fire('blur'); + }, + + _setPanDelta: function (panDelta) { + var keys = this._panKeys = {}, + codes = this.keyCodes, + i, len; + + for (i = 0, len = codes.left.length; i < len; i++) { + keys[codes.left[i]] = [-1 * panDelta, 0]; + } + for (i = 0, len = codes.right.length; i < len; i++) { + keys[codes.right[i]] = [panDelta, 0]; + } + for (i = 0, len = codes.down.length; i < len; i++) { + keys[codes.down[i]] = [0, panDelta]; + } + for (i = 0, len = codes.up.length; i < len; i++) { + keys[codes.up[i]] = [0, -1 * panDelta]; + } + }, + + _setZoomDelta: function (zoomDelta) { + var keys = this._zoomKeys = {}, + codes = this.keyCodes, + i, len; + + for (i = 0, len = codes.zoomIn.length; i < len; i++) { + keys[codes.zoomIn[i]] = zoomDelta; + } + for (i = 0, len = codes.zoomOut.length; i < len; i++) { + keys[codes.zoomOut[i]] = -zoomDelta; + } + }, + + _addHooks: function () { + on(document, 'keydown', this._onKeyDown, this); + }, + + _removeHooks: function () { + off(document, 'keydown', this._onKeyDown, this); + }, + + _onKeyDown: function (e) { + if (e.altKey || e.ctrlKey || e.metaKey) { return; } + + var key = e.keyCode, + map = this._map, + offset; + + if (key in this._panKeys) { + if (!map._panAnim || !map._panAnim._inProgress) { + offset = this._panKeys[key]; + if (e.shiftKey) { + offset = toPoint(offset).multiplyBy(3); + } + + map.panBy(offset); + + if (map.options.maxBounds) { + map.panInsideBounds(map.options.maxBounds); + } + } + } else if (key in this._zoomKeys) { + map.setZoom(map.getZoom() + (e.shiftKey ? 3 : 1) * this._zoomKeys[key]); + + } else if (key === 27 && map._popup && map._popup.options.closeOnEscapeKey) { + map.closePopup(); + + } else { + return; + } + + stop(e); + } +}); + +// @section Handlers +// @section Handlers +// @property keyboard: Handler +// Keyboard navigation handler. +Map.addInitHook('addHandler', 'keyboard', Keyboard); + +/* + * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Mousewheel options + // @option scrollWheelZoom: Boolean|String = true + // Whether the map can be zoomed by using the mouse wheel. If passed `'center'`, + // it will zoom to the center of the view regardless of where the mouse was. + scrollWheelZoom: true, + + // @option wheelDebounceTime: Number = 40 + // Limits the rate at which a wheel can fire (in milliseconds). By default + // user can't zoom via wheel more often than once per 40 ms. + wheelDebounceTime: 40, + + // @option wheelPxPerZoomLevel: Number = 60 + // How many scroll pixels (as reported by [L.DomEvent.getWheelDelta](#domevent-getwheeldelta)) + // mean a change of one full zoom level. Smaller values will make wheel-zooming + // faster (and vice versa). + wheelPxPerZoomLevel: 60 +}); + +var ScrollWheelZoom = Handler.extend({ + addHooks: function () { + on(this._map._container, 'mousewheel', this._onWheelScroll, this); + + this._delta = 0; + }, + + removeHooks: function () { + off(this._map._container, 'mousewheel', this._onWheelScroll, this); + }, + + _onWheelScroll: function (e) { + var delta = getWheelDelta(e); + + var debounce = this._map.options.wheelDebounceTime; + + this._delta += delta; + this._lastMousePos = this._map.mouseEventToContainerPoint(e); + + if (!this._startTime) { + this._startTime = +new Date(); + } + + var left = Math.max(debounce - (+new Date() - this._startTime), 0); + + clearTimeout(this._timer); + this._timer = setTimeout(bind(this._performZoom, this), left); + + stop(e); + }, + + _performZoom: function () { + var map = this._map, + zoom = map.getZoom(), + snap = this._map.options.zoomSnap || 0; + + map._stop(); // stop panning and fly animations if any + + // map the delta with a sigmoid function to -4..4 range leaning on -1..1 + var d2 = this._delta / (this._map.options.wheelPxPerZoomLevel * 4), + d3 = 4 * Math.log(2 / (1 + Math.exp(-Math.abs(d2)))) / Math.LN2, + d4 = snap ? Math.ceil(d3 / snap) * snap : d3, + delta = map._limitZoom(zoom + (this._delta > 0 ? d4 : -d4)) - zoom; + + this._delta = 0; + this._startTime = null; + + if (!delta) { return; } + + if (map.options.scrollWheelZoom === 'center') { + map.setZoom(zoom + delta); + } else { + map.setZoomAround(this._lastMousePos, zoom + delta); + } + } +}); + +// @section Handlers +// @property scrollWheelZoom: Handler +// Scroll wheel zoom handler. +Map.addInitHook('addHandler', 'scrollWheelZoom', ScrollWheelZoom); + +/* + * L.Map.Tap is used to enable mobile hacks like quick taps and long hold. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Touch interaction options + // @option tap: Boolean = true + // Enables mobile hacks for supporting instant taps (fixing 200ms click + // delay on iOS/Android) and touch holds (fired as `contextmenu` events). + tap: true, + + // @option tapTolerance: Number = 15 + // The max number of pixels a user can shift his finger during touch + // for it to be considered a valid tap. + tapTolerance: 15 +}); + +var Tap = Handler.extend({ + addHooks: function () { + on(this._map._container, 'touchstart', this._onDown, this); + }, + + removeHooks: function () { + off(this._map._container, 'touchstart', this._onDown, this); + }, + + _onDown: function (e) { + if (!e.touches) { return; } + + preventDefault(e); + + this._fireClick = true; + + // don't simulate click or track longpress if more than 1 touch + if (e.touches.length > 1) { + this._fireClick = false; + clearTimeout(this._holdTimeout); + return; + } + + var first = e.touches[0], + el = first.target; + + this._startPos = this._newPos = new Point(first.clientX, first.clientY); + + // if touching a link, highlight it + if (el.tagName && el.tagName.toLowerCase() === 'a') { + addClass(el, 'leaflet-active'); + } + + // simulate long hold but setting a timeout + this._holdTimeout = setTimeout(bind(function () { + if (this._isTapValid()) { + this._fireClick = false; + this._onUp(); + this._simulateEvent('contextmenu', first); + } + }, this), 1000); + + this._simulateEvent('mousedown', first); + + on(document, { + touchmove: this._onMove, + touchend: this._onUp + }, this); + }, + + _onUp: function (e) { + clearTimeout(this._holdTimeout); + + off(document, { + touchmove: this._onMove, + touchend: this._onUp + }, this); + + if (this._fireClick && e && e.changedTouches) { + + var first = e.changedTouches[0], + el = first.target; + + if (el && el.tagName && el.tagName.toLowerCase() === 'a') { + removeClass(el, 'leaflet-active'); + } + + this._simulateEvent('mouseup', first); + + // simulate click if the touch didn't move too much + if (this._isTapValid()) { + this._simulateEvent('click', first); + } + } + }, + + _isTapValid: function () { + return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance; + }, + + _onMove: function (e) { + var first = e.touches[0]; + this._newPos = new Point(first.clientX, first.clientY); + this._simulateEvent('mousemove', first); + }, + + _simulateEvent: function (type, e) { + var simulatedEvent = document.createEvent('MouseEvents'); + + simulatedEvent._simulated = true; + e.target._simulatedClick = true; + + simulatedEvent.initMouseEvent( + type, true, true, window, 1, + e.screenX, e.screenY, + e.clientX, e.clientY, + false, false, false, false, 0, null); + + e.target.dispatchEvent(simulatedEvent); + } +}); + +// @section Handlers +// @property tap: Handler +// Mobile touch hacks (quick tap and touch hold) handler. +if (touch && !pointer) { + Map.addInitHook('addHandler', 'tap', Tap); +} + +/* + * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Touch interaction options + // @option touchZoom: Boolean|String = * + // Whether the map can be zoomed by touch-dragging with two fingers. If + // passed `'center'`, it will zoom to the center of the view regardless of + // where the touch events (fingers) were. Enabled for touch-capable web + // browsers except for old Androids. + touchZoom: touch && !android23, + + // @option bounceAtZoomLimits: Boolean = true + // Set it to false if you don't want the map to zoom beyond min/max zoom + // and then bounce back when pinch-zooming. + bounceAtZoomLimits: true +}); + +var TouchZoom = Handler.extend({ + addHooks: function () { + addClass(this._map._container, 'leaflet-touch-zoom'); + on(this._map._container, 'touchstart', this._onTouchStart, this); + }, + + removeHooks: function () { + removeClass(this._map._container, 'leaflet-touch-zoom'); + off(this._map._container, 'touchstart', this._onTouchStart, this); + }, + + _onTouchStart: function (e) { + var map = this._map; + if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; } + + var p1 = map.mouseEventToContainerPoint(e.touches[0]), + p2 = map.mouseEventToContainerPoint(e.touches[1]); + + this._centerPoint = map.getSize()._divideBy(2); + this._startLatLng = map.containerPointToLatLng(this._centerPoint); + if (map.options.touchZoom !== 'center') { + this._pinchStartLatLng = map.containerPointToLatLng(p1.add(p2)._divideBy(2)); + } + + this._startDist = p1.distanceTo(p2); + this._startZoom = map.getZoom(); + + this._moved = false; + this._zooming = true; + + map._stop(); + + on(document, 'touchmove', this._onTouchMove, this); + on(document, 'touchend', this._onTouchEnd, this); + + preventDefault(e); + }, + + _onTouchMove: function (e) { + if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; } + + var map = this._map, + p1 = map.mouseEventToContainerPoint(e.touches[0]), + p2 = map.mouseEventToContainerPoint(e.touches[1]), + scale = p1.distanceTo(p2) / this._startDist; + + this._zoom = map.getScaleZoom(scale, this._startZoom); + + if (!map.options.bounceAtZoomLimits && ( + (this._zoom < map.getMinZoom() && scale < 1) || + (this._zoom > map.getMaxZoom() && scale > 1))) { + this._zoom = map._limitZoom(this._zoom); + } + + if (map.options.touchZoom === 'center') { + this._center = this._startLatLng; + if (scale === 1) { return; } + } else { + // Get delta from pinch to center, so centerLatLng is delta applied to initial pinchLatLng + var delta = p1._add(p2)._divideBy(2)._subtract(this._centerPoint); + if (scale === 1 && delta.x === 0 && delta.y === 0) { return; } + this._center = map.unproject(map.project(this._pinchStartLatLng, this._zoom).subtract(delta), this._zoom); + } + + if (!this._moved) { + map._moveStart(true, false); + this._moved = true; + } + + cancelAnimFrame(this._animRequest); + + var moveFn = bind(map._move, map, this._center, this._zoom, {pinch: true, round: false}); + this._animRequest = requestAnimFrame(moveFn, this, true); + + preventDefault(e); + }, + + _onTouchEnd: function () { + if (!this._moved || !this._zooming) { + this._zooming = false; + return; + } + + this._zooming = false; + cancelAnimFrame(this._animRequest); + + off(document, 'touchmove', this._onTouchMove); + off(document, 'touchend', this._onTouchEnd); + + // Pinch updates GridLayers' levels only when zoomSnap is off, so zoomSnap becomes noUpdate. + if (this._map.options.zoomAnimation) { + this._map._animateZoom(this._center, this._map._limitZoom(this._zoom), true, this._map.options.zoomSnap); + } else { + this._map._resetView(this._center, this._map._limitZoom(this._zoom)); + } + } +}); + +// @section Handlers +// @property touchZoom: Handler +// Touch zoom handler. +Map.addInitHook('addHandler', 'touchZoom', TouchZoom); + +Map.BoxZoom = BoxZoom; +Map.DoubleClickZoom = DoubleClickZoom; +Map.Drag = Drag; +Map.Keyboard = Keyboard; +Map.ScrollWheelZoom = ScrollWheelZoom; +Map.Tap = Tap; +Map.TouchZoom = TouchZoom; + +Object.freeze = freeze; + +export { version, Control, control, Browser, Evented, Mixin, Util, Class, Handler, extend, bind, stamp, setOptions, DomEvent, DomUtil, PosAnimation, Draggable, LineUtil, PolyUtil, Point, toPoint as point, Bounds, toBounds as bounds, Transformation, toTransformation as transformation, index as Projection, LatLng, toLatLng as latLng, LatLngBounds, toLatLngBounds as latLngBounds, CRS, GeoJSON, geoJSON, geoJson, Layer, LayerGroup, layerGroup, FeatureGroup, featureGroup, ImageOverlay, imageOverlay, VideoOverlay, videoOverlay, DivOverlay, Popup, popup, Tooltip, tooltip, Icon, icon, DivIcon, divIcon, Marker, marker, TileLayer, tileLayer, GridLayer, gridLayer, SVG, svg$1 as svg, Renderer, Canvas, canvas$1 as canvas, Path, CircleMarker, circleMarker, Circle, circle, Polyline, polyline, Polygon, polygon, Rectangle, rectangle, Map, createMap as map }; +//# sourceMappingURL=leaflet-src.esm.js.map diff --git a/mqtt-map/resources/js/leaflet/leaflet-src.js b/mqtt-map/resources/js/leaflet/leaflet-src.js index fdc6403..a40312c 100644 --- a/mqtt-map/resources/js/leaflet/leaflet-src.js +++ b/mqtt-map/resources/js/leaflet/leaflet-src.js @@ -1,16 +1,16 @@ -/* @preserve - * Leaflet 1.3.4+Detached: 0e566b2ad5e696ba9f79a9d48a7e51c8f4892441.0e566b2, a JS library for interactive maps. http://leafletjs.com - * (c) 2010-2018 Vladimir Agafonkin, (c) 2010-2011 CloudMade - */ - -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : - typeof define === 'function' && define.amd ? define(['exports'], factory) : - (factory((global.L = {}))); -}(this, (function (exports) { 'use strict'; - -var version = "1.3.4+HEAD.0e566b2"; - +/* @preserve + * Leaflet 1.3.4+Detached: 0e566b2ad5e696ba9f79a9d48a7e51c8f4892441.0e566b2, a JS library for interactive maps. http://leafletjs.com + * (c) 2010-2018 Vladimir Agafonkin, (c) 2010-2011 CloudMade + */ + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.L = {}))); +}(this, (function (exports) { 'use strict'; + +var version = "1.3.4+HEAD.0e566b2"; + /* * @namespace Util * @@ -252,33 +252,33 @@ function cancelAnimFrame(id) { cancelFn.call(window, id); } } - - -var Util = (Object.freeze || Object)({ - freeze: freeze, - extend: extend, - create: create, - bind: bind, - lastId: lastId, - stamp: stamp, - throttle: throttle, - wrapNum: wrapNum, - falseFn: falseFn, - formatNum: formatNum, - trim: trim, - splitWords: splitWords, - setOptions: setOptions, - getParamString: getParamString, - template: template, - isArray: isArray, - indexOf: indexOf, - emptyImageUrl: emptyImageUrl, - requestFn: requestFn, - cancelFn: cancelFn, - requestAnimFrame: requestAnimFrame, - cancelAnimFrame: cancelAnimFrame -}); - + + +var Util = (Object.freeze || Object)({ + freeze: freeze, + extend: extend, + create: create, + bind: bind, + lastId: lastId, + stamp: stamp, + throttle: throttle, + wrapNum: wrapNum, + falseFn: falseFn, + formatNum: formatNum, + trim: trim, + splitWords: splitWords, + setOptions: setOptions, + getParamString: getParamString, + template: template, + isArray: isArray, + indexOf: indexOf, + emptyImageUrl: emptyImageUrl, + requestFn: requestFn, + cancelFn: cancelFn, + requestAnimFrame: requestAnimFrame, + cancelAnimFrame: cancelAnimFrame +}); + // @class Class // @aka L.Class @@ -402,8 +402,8 @@ function checkDeprecatedMixinEvents(includes) { 'please inherit from L.Evented instead.', new Error().stack); } } -} - +} + /* * @class Evented * @aka L.Evented @@ -695,8 +695,8 @@ Events.fireEvent = Events.fire; // Alias to [`listens(…)`](#evented-listens) Events.hasEventListeners = Events.listens; -var Evented = Class.extend(Events); - +var Evented = Class.extend(Events); + /* * @class Point * @aka L.Point @@ -916,8 +916,8 @@ function toPoint(x, y, round) { return new Point(x.x, x.y); } return new Point(x, y, round); -} - +} + /* * @class Bounds * @aka L.Bounds @@ -1088,8 +1088,8 @@ function toBounds(a, b) { return a; } return new Bounds(a, b); -} - +} + /* * @class LatLngBounds * @aka L.LatLngBounds @@ -1338,8 +1338,8 @@ function toLatLngBounds(a, b) { return a; } return new LatLngBounds(a, b); -} - +} + /* @class LatLng * @aka L.LatLng * @@ -1472,8 +1472,8 @@ function toLatLng(a, b, c) { return null; } return new LatLng(a, b, c); -} - +} + /* * @namespace CRS * @crs L.CRS.Base @@ -1606,39 +1606,39 @@ var CRS = { return new LatLngBounds(newSw, newNe); } -}; - -/* - * @namespace CRS - * @crs L.CRS.Earth - * - * Serves as the base for CRS that are global such that they cover the earth. - * Can only be used as the base for other CRS and cannot be used directly, - * since it does not have a `code`, `projection` or `transformation`. `distance()` returns - * meters. - */ - -var Earth = extend({}, CRS, { - wrapLng: [-180, 180], - - // Mean Earth Radius, as recommended for use by - // the International Union of Geodesy and Geophysics, - // see http://rosettacode.org/wiki/Haversine_formula - R: 6371000, - - // distance between two geographical points using spherical law of cosines approximation - distance: function (latlng1, latlng2) { - var rad = Math.PI / 180, - lat1 = latlng1.lat * rad, - lat2 = latlng2.lat * rad, - sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2), - sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2), - a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon, - c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); - return this.R * c; - } -}); - +}; + +/* + * @namespace CRS + * @crs L.CRS.Earth + * + * Serves as the base for CRS that are global such that they cover the earth. + * Can only be used as the base for other CRS and cannot be used directly, + * since it does not have a `code`, `projection` or `transformation`. `distance()` returns + * meters. + */ + +var Earth = extend({}, CRS, { + wrapLng: [-180, 180], + + // Mean Earth Radius, as recommended for use by + // the International Union of Geodesy and Geophysics, + // see http://rosettacode.org/wiki/Haversine_formula + R: 6371000, + + // distance between two geographical points using spherical law of cosines approximation + distance: function (latlng1, latlng2) { + var rad = Math.PI / 180, + lat1 = latlng1.lat * rad, + lat2 = latlng2.lat * rad, + sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2), + sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2), + a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon, + c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); + return this.R * c; + } +}); + /* * @namespace Projection * @projection L.Projection.SphericalMercator @@ -1676,8 +1676,8 @@ var SphericalMercator = { var d = 6378137 * Math.PI; return new Bounds([-d, -d], [d, d]); })() -}; - +}; + /* * @class Transformation * @aka L.Transformation @@ -1753,8 +1753,8 @@ Transformation.prototype = { function toTransformation(a, b, c, d) { return new Transformation(a, b, c, d); -} - +} + /* * @namespace CRS * @crs L.CRS.EPSG3857 @@ -1776,42 +1776,42 @@ var EPSG3857 = extend({}, Earth, { var EPSG900913 = extend({}, EPSG3857, { code: 'EPSG:900913' -}); - -// @namespace SVG; @section -// There are several static functions which can be called without instantiating L.SVG: - -// @function create(name: String): SVGElement -// Returns a instance of [SVGElement](https://developer.mozilla.org/docs/Web/API/SVGElement), -// corresponding to the class name passed. For example, using 'line' will return -// an instance of [SVGLineElement](https://developer.mozilla.org/docs/Web/API/SVGLineElement). -function svgCreate(name) { - return document.createElementNS('http://www.w3.org/2000/svg', name); -} - -// @function pointsToPath(rings: Point[], closed: Boolean): String -// Generates a SVG path string for multiple rings, with each ring turning -// into "M..L..L.." instructions -function pointsToPath(rings, closed) { - var str = '', - i, j, len, len2, points, p; - - for (i = 0, len = rings.length; i < len; i++) { - points = rings[i]; - - for (j = 0, len2 = points.length; j < len2; j++) { - p = points[j]; - str += (j ? 'L' : 'M') + p.x + ' ' + p.y; - } - - // closes the ring for polygons; "x" is VML syntax - str += closed ? (svg ? 'z' : 'x') : ''; - } - - // SVG complains about empty path strings - return str || 'M0 0'; -} - +}); + +// @namespace SVG; @section +// There are several static functions which can be called without instantiating L.SVG: + +// @function create(name: String): SVGElement +// Returns a instance of [SVGElement](https://developer.mozilla.org/docs/Web/API/SVGElement), +// corresponding to the class name passed. For example, using 'line' will return +// an instance of [SVGLineElement](https://developer.mozilla.org/docs/Web/API/SVGLineElement). +function svgCreate(name) { + return document.createElementNS('http://www.w3.org/2000/svg', name); +} + +// @function pointsToPath(rings: Point[], closed: Boolean): String +// Generates a SVG path string for multiple rings, with each ring turning +// into "M..L..L.." instructions +function pointsToPath(rings, closed) { + var str = '', + i, j, len, len2, points, p; + + for (i = 0, len = rings.length; i < len; i++) { + points = rings[i]; + + for (j = 0, len2 = points.length; j < len2; j++) { + p = points[j]; + str += (j ? 'L' : 'M') + p.x + ' ' + p.y; + } + + // closes the ring for polygons; "x" is VML syntax + str += closed ? (svg ? 'z' : 'x') : ''; + } + + // SVG complains about empty path strings + return str || 'M0 0'; +} + /* * @namespace Browser * @aka L.Browser @@ -1957,171 +1957,171 @@ var vml = !svg && (function () { function userAgentContains(str) { return navigator.userAgent.toLowerCase().indexOf(str) >= 0; } - - -var Browser = (Object.freeze || Object)({ - ie: ie, - ielt9: ielt9, - edge: edge, - webkit: webkit, - android: android, - android23: android23, - androidStock: androidStock, - opera: opera, - chrome: chrome, - gecko: gecko, - safari: safari, - phantom: phantom, - opera12: opera12, - win: win, - ie3d: ie3d, - webkit3d: webkit3d, - gecko3d: gecko3d, - any3d: any3d, - mobile: mobile, - mobileWebkit: mobileWebkit, - mobileWebkit3d: mobileWebkit3d, - msPointer: msPointer, - pointer: pointer, - touch: touch, - mobileOpera: mobileOpera, - mobileGecko: mobileGecko, - retina: retina, - canvas: canvas, - svg: svg, - vml: vml -}); - -/* - * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices. - */ - - -var POINTER_DOWN = msPointer ? 'MSPointerDown' : 'pointerdown'; -var POINTER_MOVE = msPointer ? 'MSPointerMove' : 'pointermove'; -var POINTER_UP = msPointer ? 'MSPointerUp' : 'pointerup'; -var POINTER_CANCEL = msPointer ? 'MSPointerCancel' : 'pointercancel'; -var TAG_WHITE_LIST = ['INPUT', 'SELECT', 'OPTION']; - -var _pointers = {}; -var _pointerDocListener = false; - -// DomEvent.DoubleTap needs to know about this -var _pointersCount = 0; - -// Provides a touch events wrapper for (ms)pointer events. -// ref http://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890 - -function addPointerListener(obj, type, handler, id) { - if (type === 'touchstart') { - _addPointerStart(obj, handler, id); - - } else if (type === 'touchmove') { - _addPointerMove(obj, handler, id); - - } else if (type === 'touchend') { - _addPointerEnd(obj, handler, id); - } - - return this; -} - -function removePointerListener(obj, type, id) { - var handler = obj['_leaflet_' + type + id]; - - if (type === 'touchstart') { - obj.removeEventListener(POINTER_DOWN, handler, false); - - } else if (type === 'touchmove') { - obj.removeEventListener(POINTER_MOVE, handler, false); - - } else if (type === 'touchend') { - obj.removeEventListener(POINTER_UP, handler, false); - obj.removeEventListener(POINTER_CANCEL, handler, false); - } - - return this; -} - -function _addPointerStart(obj, handler, id) { - var onDown = bind(function (e) { - if (e.pointerType !== 'mouse' && e.MSPOINTER_TYPE_MOUSE && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) { - // In IE11, some touch events needs to fire for form controls, or - // the controls will stop working. We keep a whitelist of tag names that - // need these events. For other target tags, we prevent default on the event. - if (TAG_WHITE_LIST.indexOf(e.target.tagName) < 0) { - preventDefault(e); - } else { - return; - } - } - - _handlePointer(e, handler); - }); - - obj['_leaflet_touchstart' + id] = onDown; - obj.addEventListener(POINTER_DOWN, onDown, false); - - // need to keep track of what pointers and how many are active to provide e.touches emulation - if (!_pointerDocListener) { - // we listen documentElement as any drags that end by moving the touch off the screen get fired there - document.documentElement.addEventListener(POINTER_DOWN, _globalPointerDown, true); - document.documentElement.addEventListener(POINTER_MOVE, _globalPointerMove, true); - document.documentElement.addEventListener(POINTER_UP, _globalPointerUp, true); - document.documentElement.addEventListener(POINTER_CANCEL, _globalPointerUp, true); - - _pointerDocListener = true; - } -} - -function _globalPointerDown(e) { - _pointers[e.pointerId] = e; - _pointersCount++; -} - -function _globalPointerMove(e) { - if (_pointers[e.pointerId]) { - _pointers[e.pointerId] = e; - } -} - -function _globalPointerUp(e) { - delete _pointers[e.pointerId]; - _pointersCount--; -} - -function _handlePointer(e, handler) { - e.touches = []; - for (var i in _pointers) { - e.touches.push(_pointers[i]); - } - e.changedTouches = [e]; - - handler(e); -} - -function _addPointerMove(obj, handler, id) { - var onMove = function (e) { - // don't fire touch moves when mouse isn't down - if ((e.pointerType === e.MSPOINTER_TYPE_MOUSE || e.pointerType === 'mouse') && e.buttons === 0) { return; } - - _handlePointer(e, handler); - }; - - obj['_leaflet_touchmove' + id] = onMove; - obj.addEventListener(POINTER_MOVE, onMove, false); -} - -function _addPointerEnd(obj, handler, id) { - var onUp = function (e) { - _handlePointer(e, handler); - }; - - obj['_leaflet_touchend' + id] = onUp; - obj.addEventListener(POINTER_UP, onUp, false); - obj.addEventListener(POINTER_CANCEL, onUp, false); -} - + + +var Browser = (Object.freeze || Object)({ + ie: ie, + ielt9: ielt9, + edge: edge, + webkit: webkit, + android: android, + android23: android23, + androidStock: androidStock, + opera: opera, + chrome: chrome, + gecko: gecko, + safari: safari, + phantom: phantom, + opera12: opera12, + win: win, + ie3d: ie3d, + webkit3d: webkit3d, + gecko3d: gecko3d, + any3d: any3d, + mobile: mobile, + mobileWebkit: mobileWebkit, + mobileWebkit3d: mobileWebkit3d, + msPointer: msPointer, + pointer: pointer, + touch: touch, + mobileOpera: mobileOpera, + mobileGecko: mobileGecko, + retina: retina, + canvas: canvas, + svg: svg, + vml: vml +}); + +/* + * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices. + */ + + +var POINTER_DOWN = msPointer ? 'MSPointerDown' : 'pointerdown'; +var POINTER_MOVE = msPointer ? 'MSPointerMove' : 'pointermove'; +var POINTER_UP = msPointer ? 'MSPointerUp' : 'pointerup'; +var POINTER_CANCEL = msPointer ? 'MSPointerCancel' : 'pointercancel'; +var TAG_WHITE_LIST = ['INPUT', 'SELECT', 'OPTION']; + +var _pointers = {}; +var _pointerDocListener = false; + +// DomEvent.DoubleTap needs to know about this +var _pointersCount = 0; + +// Provides a touch events wrapper for (ms)pointer events. +// ref http://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890 + +function addPointerListener(obj, type, handler, id) { + if (type === 'touchstart') { + _addPointerStart(obj, handler, id); + + } else if (type === 'touchmove') { + _addPointerMove(obj, handler, id); + + } else if (type === 'touchend') { + _addPointerEnd(obj, handler, id); + } + + return this; +} + +function removePointerListener(obj, type, id) { + var handler = obj['_leaflet_' + type + id]; + + if (type === 'touchstart') { + obj.removeEventListener(POINTER_DOWN, handler, false); + + } else if (type === 'touchmove') { + obj.removeEventListener(POINTER_MOVE, handler, false); + + } else if (type === 'touchend') { + obj.removeEventListener(POINTER_UP, handler, false); + obj.removeEventListener(POINTER_CANCEL, handler, false); + } + + return this; +} + +function _addPointerStart(obj, handler, id) { + var onDown = bind(function (e) { + if (e.pointerType !== 'mouse' && e.MSPOINTER_TYPE_MOUSE && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) { + // In IE11, some touch events needs to fire for form controls, or + // the controls will stop working. We keep a whitelist of tag names that + // need these events. For other target tags, we prevent default on the event. + if (TAG_WHITE_LIST.indexOf(e.target.tagName) < 0) { + preventDefault(e); + } else { + return; + } + } + + _handlePointer(e, handler); + }); + + obj['_leaflet_touchstart' + id] = onDown; + obj.addEventListener(POINTER_DOWN, onDown, false); + + // need to keep track of what pointers and how many are active to provide e.touches emulation + if (!_pointerDocListener) { + // we listen documentElement as any drags that end by moving the touch off the screen get fired there + document.documentElement.addEventListener(POINTER_DOWN, _globalPointerDown, true); + document.documentElement.addEventListener(POINTER_MOVE, _globalPointerMove, true); + document.documentElement.addEventListener(POINTER_UP, _globalPointerUp, true); + document.documentElement.addEventListener(POINTER_CANCEL, _globalPointerUp, true); + + _pointerDocListener = true; + } +} + +function _globalPointerDown(e) { + _pointers[e.pointerId] = e; + _pointersCount++; +} + +function _globalPointerMove(e) { + if (_pointers[e.pointerId]) { + _pointers[e.pointerId] = e; + } +} + +function _globalPointerUp(e) { + delete _pointers[e.pointerId]; + _pointersCount--; +} + +function _handlePointer(e, handler) { + e.touches = []; + for (var i in _pointers) { + e.touches.push(_pointers[i]); + } + e.changedTouches = [e]; + + handler(e); +} + +function _addPointerMove(obj, handler, id) { + var onMove = function (e) { + // don't fire touch moves when mouse isn't down + if ((e.pointerType === e.MSPOINTER_TYPE_MOUSE || e.pointerType === 'mouse') && e.buttons === 0) { return; } + + _handlePointer(e, handler); + }; + + obj['_leaflet_touchmove' + id] = onMove; + obj.addEventListener(POINTER_MOVE, onMove, false); +} + +function _addPointerEnd(obj, handler, id) { + var onUp = function (e) { + _handlePointer(e, handler); + }; + + obj['_leaflet_touchend' + id] = onUp; + obj.addEventListener(POINTER_UP, onUp, false); + obj.addEventListener(POINTER_CANCEL, onUp, false); +} + /* * Extends the event handling code with double tap support for mobile browsers. */ @@ -2204,8 +2204,8 @@ function removeDoubleTapListener(obj, id) { } return this; -} - +} + /* * @namespace DomUtil * @@ -2495,7 +2495,7 @@ function enableImageDrag() { off(window, 'dragstart', preventDefault); } -var _outlineElement; +var _outlineElement; var _outlineStyle; // @function preventOutline(el: HTMLElement) // Makes the [outline](https://developer.mozilla.org/docs/Web/CSS/outline) @@ -2546,39 +2546,39 @@ function getScale(element) { boundingClientRect: rect }; } - - -var DomUtil = (Object.freeze || Object)({ - TRANSFORM: TRANSFORM, - TRANSITION: TRANSITION, - TRANSITION_END: TRANSITION_END, - get: get, - getStyle: getStyle, - create: create$1, - remove: remove, - empty: empty, - toFront: toFront, - toBack: toBack, - hasClass: hasClass, - addClass: addClass, - removeClass: removeClass, - setClass: setClass, - getClass: getClass, - setOpacity: setOpacity, - testProp: testProp, - setTransform: setTransform, - setPosition: setPosition, - getPosition: getPosition, - disableTextSelection: disableTextSelection, - enableTextSelection: enableTextSelection, - disableImageDrag: disableImageDrag, - enableImageDrag: enableImageDrag, - preventOutline: preventOutline, - restoreOutline: restoreOutline, - getSizedParentNode: getSizedParentNode, - getScale: getScale -}); - + + +var DomUtil = (Object.freeze || Object)({ + TRANSFORM: TRANSFORM, + TRANSITION: TRANSITION, + TRANSITION_END: TRANSITION_END, + get: get, + getStyle: getStyle, + create: create$1, + remove: remove, + empty: empty, + toFront: toFront, + toBack: toBack, + hasClass: hasClass, + addClass: addClass, + removeClass: removeClass, + setClass: setClass, + getClass: getClass, + setOpacity: setOpacity, + testProp: testProp, + setTransform: setTransform, + setPosition: setPosition, + getPosition: getPosition, + disableTextSelection: disableTextSelection, + enableTextSelection: enableTextSelection, + disableImageDrag: disableImageDrag, + enableImageDrag: enableImageDrag, + preventOutline: preventOutline, + restoreOutline: restoreOutline, + getSizedParentNode: getSizedParentNode, + getScale: getScale +}); + /* * @namespace DomEvent * Utility functions to work with the [DOM events](https://developer.mozilla.org/docs/Web/API/Event), used by Leaflet internally. @@ -2882,121 +2882,121 @@ function filterClick(e, handler) { } - - -var DomEvent = (Object.freeze || Object)({ - on: on, - off: off, - stopPropagation: stopPropagation, - disableScrollPropagation: disableScrollPropagation, - disableClickPropagation: disableClickPropagation, - preventDefault: preventDefault, - stop: stop, - getMousePosition: getMousePosition, - getWheelDelta: getWheelDelta, - fakeStop: fakeStop, - skipped: skipped, - isExternalTarget: isExternalTarget, - addListener: on, - removeListener: off -}); - -/* - * @class PosAnimation - * @aka L.PosAnimation - * @inherits Evented - * Used internally for panning animations, utilizing CSS3 Transitions for modern browsers and a timer fallback for IE6-9. - * - * @example - * ```js - * var fx = new L.PosAnimation(); - * fx.run(el, [300, 500], 0.5); - * ``` - * - * @constructor L.PosAnimation() - * Creates a `PosAnimation` object. - * - */ - -var PosAnimation = Evented.extend({ - - // @method run(el: HTMLElement, newPos: Point, duration?: Number, easeLinearity?: Number) - // Run an animation of a given element to a new position, optionally setting - // duration in seconds (`0.25` by default) and easing linearity factor (3rd - // argument of the [cubic bezier curve](http://cubic-bezier.com/#0,0,.5,1), - // `0.5` by default). - run: function (el, newPos, duration, easeLinearity) { - this.stop(); - - this._el = el; - this._inProgress = true; - this._duration = duration || 0.25; - this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2); - - this._startPos = getPosition(el); - this._offset = newPos.subtract(this._startPos); - this._startTime = +new Date(); - - // @event start: Event - // Fired when the animation starts - this.fire('start'); - - this._animate(); - }, - - // @method stop() - // Stops the animation (if currently running). - stop: function () { - if (!this._inProgress) { return; } - - this._step(true); - this._complete(); - }, - - _animate: function () { - // animation loop - this._animId = requestAnimFrame(this._animate, this); - this._step(); - }, - - _step: function (round) { - var elapsed = (+new Date()) - this._startTime, - duration = this._duration * 1000; - - if (elapsed < duration) { - this._runFrame(this._easeOut(elapsed / duration), round); - } else { - this._runFrame(1); - this._complete(); - } - }, - - _runFrame: function (progress, round) { - var pos = this._startPos.add(this._offset.multiplyBy(progress)); - if (round) { - pos._round(); - } - setPosition(this._el, pos); - - // @event step: Event - // Fired continuously during the animation. - this.fire('step'); - }, - - _complete: function () { - cancelAnimFrame(this._animId); - - this._inProgress = false; - // @event end: Event - // Fired when the animation ends. - this.fire('end'); - }, - - _easeOut: function (t) { - return 1 - Math.pow(1 - t, this._easeOutPower); - } -}); - + + +var DomEvent = (Object.freeze || Object)({ + on: on, + off: off, + stopPropagation: stopPropagation, + disableScrollPropagation: disableScrollPropagation, + disableClickPropagation: disableClickPropagation, + preventDefault: preventDefault, + stop: stop, + getMousePosition: getMousePosition, + getWheelDelta: getWheelDelta, + fakeStop: fakeStop, + skipped: skipped, + isExternalTarget: isExternalTarget, + addListener: on, + removeListener: off +}); + +/* + * @class PosAnimation + * @aka L.PosAnimation + * @inherits Evented + * Used internally for panning animations, utilizing CSS3 Transitions for modern browsers and a timer fallback for IE6-9. + * + * @example + * ```js + * var fx = new L.PosAnimation(); + * fx.run(el, [300, 500], 0.5); + * ``` + * + * @constructor L.PosAnimation() + * Creates a `PosAnimation` object. + * + */ + +var PosAnimation = Evented.extend({ + + // @method run(el: HTMLElement, newPos: Point, duration?: Number, easeLinearity?: Number) + // Run an animation of a given element to a new position, optionally setting + // duration in seconds (`0.25` by default) and easing linearity factor (3rd + // argument of the [cubic bezier curve](http://cubic-bezier.com/#0,0,.5,1), + // `0.5` by default). + run: function (el, newPos, duration, easeLinearity) { + this.stop(); + + this._el = el; + this._inProgress = true; + this._duration = duration || 0.25; + this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2); + + this._startPos = getPosition(el); + this._offset = newPos.subtract(this._startPos); + this._startTime = +new Date(); + + // @event start: Event + // Fired when the animation starts + this.fire('start'); + + this._animate(); + }, + + // @method stop() + // Stops the animation (if currently running). + stop: function () { + if (!this._inProgress) { return; } + + this._step(true); + this._complete(); + }, + + _animate: function () { + // animation loop + this._animId = requestAnimFrame(this._animate, this); + this._step(); + }, + + _step: function (round) { + var elapsed = (+new Date()) - this._startTime, + duration = this._duration * 1000; + + if (elapsed < duration) { + this._runFrame(this._easeOut(elapsed / duration), round); + } else { + this._runFrame(1); + this._complete(); + } + }, + + _runFrame: function (progress, round) { + var pos = this._startPos.add(this._offset.multiplyBy(progress)); + if (round) { + pos._round(); + } + setPosition(this._el, pos); + + // @event step: Event + // Fired continuously during the animation. + this.fire('step'); + }, + + _complete: function () { + cancelAnimFrame(this._animId); + + this._inProgress = false; + // @event end: Event + // Fired when the animation ends. + this.fire('end'); + }, + + _easeOut: function (t) { + return 1 - Math.pow(1 - t, this._easeOutPower); + } +}); + /* * @class Map * @aka L.Map @@ -4655,8 +4655,8 @@ var Map = Evented.extend({ // and optionally an object literal with `Map options`. function createMap(id, options) { return new Map(id, options); -} - +} + /* * @class Control * @aka L.Control @@ -4821,8 +4821,8 @@ Map.include({ delete this._controlCorners; delete this._controlContainer; } -}); - +}); + /* * @class Control.Layers * @aka L.Control.Layers @@ -5246,8 +5246,8 @@ var Layers = Control.extend({ // Creates an attribution control with the given layers. Base layers will be switched with radio buttons, while overlays will be switched with checkboxes. Note that all base layers should be passed in the base layers object, but only one should be added to the map during map instantiation. var layers = function (baseLayers, overlays, options) { return new Layers(baseLayers, overlays, options); -}; - +}; + /* * @class Control.Zoom * @aka L.Control.Zoom @@ -5383,137 +5383,137 @@ Map.addInitHook(function () { // Creates a zoom control var zoom = function (options) { return new Zoom(options); -}; - -/* - * @class Control.Scale - * @aka L.Control.Scale - * @inherits Control - * - * A simple scale control that shows the scale of the current center of screen in metric (m/km) and imperial (mi/ft) systems. Extends `Control`. - * - * @example - * - * ```js - * L.control.scale().addTo(map); - * ``` - */ - -var Scale = Control.extend({ - // @section - // @aka Control.Scale options - options: { - position: 'bottomleft', - - // @option maxWidth: Number = 100 - // Maximum width of the control in pixels. The width is set dynamically to show round values (e.g. 100, 200, 500). - maxWidth: 100, - - // @option metric: Boolean = True - // Whether to show the metric scale line (m/km). - metric: true, - - // @option imperial: Boolean = True - // Whether to show the imperial scale line (mi/ft). - imperial: true - - // @option updateWhenIdle: Boolean = false - // If `true`, the control is updated on [`moveend`](#map-moveend), otherwise it's always up-to-date (updated on [`move`](#map-move)). - }, - - onAdd: function (map) { - var className = 'leaflet-control-scale', - container = create$1('div', className), - options = this.options; - - this._addScales(options, className + '-line', container); - - map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this); - map.whenReady(this._update, this); - - return container; - }, - - onRemove: function (map) { - map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this); - }, - - _addScales: function (options, className, container) { - if (options.metric) { - this._mScale = create$1('div', className, container); - } - if (options.imperial) { - this._iScale = create$1('div', className, container); - } - }, - - _update: function () { - var map = this._map, - y = map.getSize().y / 2; - - var maxMeters = map.distance( - map.containerPointToLatLng([0, y]), - map.containerPointToLatLng([this.options.maxWidth, y])); - - this._updateScales(maxMeters); - }, - - _updateScales: function (maxMeters) { - if (this.options.metric && maxMeters) { - this._updateMetric(maxMeters); - } - if (this.options.imperial && maxMeters) { - this._updateImperial(maxMeters); - } - }, - - _updateMetric: function (maxMeters) { - var meters = this._getRoundNum(maxMeters), - label = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km'; - - this._updateScale(this._mScale, label, meters / maxMeters); - }, - - _updateImperial: function (maxMeters) { - var maxFeet = maxMeters * 3.2808399, - maxMiles, miles, feet; - - if (maxFeet > 5280) { - maxMiles = maxFeet / 5280; - miles = this._getRoundNum(maxMiles); - this._updateScale(this._iScale, miles + ' mi', miles / maxMiles); - - } else { - feet = this._getRoundNum(maxFeet); - this._updateScale(this._iScale, feet + ' ft', feet / maxFeet); - } - }, - - _updateScale: function (scale, text, ratio) { - scale.style.width = Math.round(this.options.maxWidth * ratio) + 'px'; - scale.innerHTML = text; - }, - - _getRoundNum: function (num) { - var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1), - d = num / pow10; - - d = d >= 10 ? 10 : - d >= 5 ? 5 : - d >= 3 ? 3 : - d >= 2 ? 2 : 1; - - return pow10 * d; - } -}); - - -// @factory L.control.scale(options?: Control.Scale options) -// Creates an scale control with the given options. -var scale = function (options) { - return new Scale(options); -}; - +}; + +/* + * @class Control.Scale + * @aka L.Control.Scale + * @inherits Control + * + * A simple scale control that shows the scale of the current center of screen in metric (m/km) and imperial (mi/ft) systems. Extends `Control`. + * + * @example + * + * ```js + * L.control.scale().addTo(map); + * ``` + */ + +var Scale = Control.extend({ + // @section + // @aka Control.Scale options + options: { + position: 'bottomleft', + + // @option maxWidth: Number = 100 + // Maximum width of the control in pixels. The width is set dynamically to show round values (e.g. 100, 200, 500). + maxWidth: 100, + + // @option metric: Boolean = True + // Whether to show the metric scale line (m/km). + metric: true, + + // @option imperial: Boolean = True + // Whether to show the imperial scale line (mi/ft). + imperial: true + + // @option updateWhenIdle: Boolean = false + // If `true`, the control is updated on [`moveend`](#map-moveend), otherwise it's always up-to-date (updated on [`move`](#map-move)). + }, + + onAdd: function (map) { + var className = 'leaflet-control-scale', + container = create$1('div', className), + options = this.options; + + this._addScales(options, className + '-line', container); + + map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this); + map.whenReady(this._update, this); + + return container; + }, + + onRemove: function (map) { + map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this); + }, + + _addScales: function (options, className, container) { + if (options.metric) { + this._mScale = create$1('div', className, container); + } + if (options.imperial) { + this._iScale = create$1('div', className, container); + } + }, + + _update: function () { + var map = this._map, + y = map.getSize().y / 2; + + var maxMeters = map.distance( + map.containerPointToLatLng([0, y]), + map.containerPointToLatLng([this.options.maxWidth, y])); + + this._updateScales(maxMeters); + }, + + _updateScales: function (maxMeters) { + if (this.options.metric && maxMeters) { + this._updateMetric(maxMeters); + } + if (this.options.imperial && maxMeters) { + this._updateImperial(maxMeters); + } + }, + + _updateMetric: function (maxMeters) { + var meters = this._getRoundNum(maxMeters), + label = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km'; + + this._updateScale(this._mScale, label, meters / maxMeters); + }, + + _updateImperial: function (maxMeters) { + var maxFeet = maxMeters * 3.2808399, + maxMiles, miles, feet; + + if (maxFeet > 5280) { + maxMiles = maxFeet / 5280; + miles = this._getRoundNum(maxMiles); + this._updateScale(this._iScale, miles + ' mi', miles / maxMiles); + + } else { + feet = this._getRoundNum(maxFeet); + this._updateScale(this._iScale, feet + ' ft', feet / maxFeet); + } + }, + + _updateScale: function (scale, text, ratio) { + scale.style.width = Math.round(this.options.maxWidth * ratio) + 'px'; + scale.innerHTML = text; + }, + + _getRoundNum: function (num) { + var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1), + d = num / pow10; + + d = d >= 10 ? 10 : + d >= 5 ? 5 : + d >= 3 ? 3 : + d >= 2 ? 2 : 1; + + return pow10 * d; + } +}); + + +// @factory L.control.scale(options?: Control.Scale options) +// Creates an scale control with the given options. +var scale = function (options) { + return new Scale(options); +}; + /* * @class Control.Attribution * @aka L.Control.Attribution @@ -5635,76 +5635,76 @@ Map.addInitHook(function () { // Creates an attribution control. var attribution = function (options) { return new Attribution(options); -}; - -Control.Layers = Layers; -Control.Zoom = Zoom; -Control.Scale = Scale; -Control.Attribution = Attribution; - -control.layers = layers; -control.zoom = zoom; -control.scale = scale; -control.attribution = attribution; - -/* - L.Handler is a base class for handler classes that are used internally to inject - interaction features like dragging to classes like Map and Marker. -*/ - -// @class Handler -// @aka L.Handler -// Abstract class for map interaction handlers - -var Handler = Class.extend({ - initialize: function (map) { - this._map = map; - }, - - // @method enable(): this - // Enables the handler - enable: function () { - if (this._enabled) { return this; } - - this._enabled = true; - this.addHooks(); - return this; - }, - - // @method disable(): this - // Disables the handler - disable: function () { - if (!this._enabled) { return this; } - - this._enabled = false; - this.removeHooks(); - return this; - }, - - // @method enabled(): Boolean - // Returns `true` if the handler is enabled - enabled: function () { - return !!this._enabled; - } - - // @section Extension methods - // Classes inheriting from `Handler` must implement the two following methods: - // @method addHooks() - // Called when the handler is enabled, should add event hooks. - // @method removeHooks() - // Called when the handler is disabled, should remove the event hooks added previously. -}); - -// @section There is static function which can be called without instantiating L.Handler: -// @function addTo(map: Map, name: String): this -// Adds a new Handler to the given map with the given name. -Handler.addTo = function (map, name) { - map.addHandler(name, this); - return this; -}; - -var Mixin = {Events: Events}; - +}; + +Control.Layers = Layers; +Control.Zoom = Zoom; +Control.Scale = Scale; +Control.Attribution = Attribution; + +control.layers = layers; +control.zoom = zoom; +control.scale = scale; +control.attribution = attribution; + +/* + L.Handler is a base class for handler classes that are used internally to inject + interaction features like dragging to classes like Map and Marker. +*/ + +// @class Handler +// @aka L.Handler +// Abstract class for map interaction handlers + +var Handler = Class.extend({ + initialize: function (map) { + this._map = map; + }, + + // @method enable(): this + // Enables the handler + enable: function () { + if (this._enabled) { return this; } + + this._enabled = true; + this.addHooks(); + return this; + }, + + // @method disable(): this + // Disables the handler + disable: function () { + if (!this._enabled) { return this; } + + this._enabled = false; + this.removeHooks(); + return this; + }, + + // @method enabled(): Boolean + // Returns `true` if the handler is enabled + enabled: function () { + return !!this._enabled; + } + + // @section Extension methods + // Classes inheriting from `Handler` must implement the two following methods: + // @method addHooks() + // Called when the handler is enabled, should add event hooks. + // @method removeHooks() + // Called when the handler is disabled, should remove the event hooks added previously. +}); + +// @section There is static function which can be called without instantiating L.Handler: +// @function addTo(map: Map, name: String): this +// Adds a new Handler to the given map with the given name. +Handler.addTo = function (map, name) { + map.addHandler(name, this); + return this; +}; + +var Mixin = {Events: Events}; + /* * @class Draggable * @aka L.Draggable @@ -5933,8 +5933,8 @@ var Draggable = Evented.extend({ Draggable._dragging = false; } -}); - +}); + /* * @namespace LineUtil * @@ -6173,20 +6173,20 @@ function _flat(latlngs) { console.warn('Deprecated use of _flat, please use L.LineUtil.isFlat instead.'); return isFlat(latlngs); } - - -var LineUtil = (Object.freeze || Object)({ - simplify: simplify, - pointToSegmentDistance: pointToSegmentDistance, - closestPointOnSegment: closestPointOnSegment, - clipSegment: clipSegment, - _getEdgeIntersection: _getEdgeIntersection, - _getBitCode: _getBitCode, - _sqClosestPointOnSegment: _sqClosestPointOnSegment, - isFlat: isFlat, - _flat: _flat -}); - + + +var LineUtil = (Object.freeze || Object)({ + simplify: simplify, + pointToSegmentDistance: pointToSegmentDistance, + closestPointOnSegment: closestPointOnSegment, + clipSegment: clipSegment, + _getEdgeIntersection: _getEdgeIntersection, + _getBitCode: _getBitCode, + _sqClosestPointOnSegment: _sqClosestPointOnSegment, + isFlat: isFlat, + _flat: _flat +}); + /* * @namespace PolyUtil * Various utility functions for polygon geometries. @@ -6240,12 +6240,12 @@ function clipPolygon(points, bounds, round) { return points; } - - -var PolyUtil = (Object.freeze || Object)({ - clipPolygon: clipPolygon -}); - + + +var PolyUtil = (Object.freeze || Object)({ + clipPolygon: clipPolygon +}); + /* * @namespace Projection * @section @@ -6269,8 +6269,8 @@ var LonLat = { }, bounds: new Bounds([-180, -90], [180, 90]) -}; - +}; + /* * @namespace Projection * @projection L.Projection.Mercator @@ -6315,40 +6315,40 @@ var Mercator = { return new LatLng(phi * d, point.x * d / r); } -}; - -/* - * @class Projection - - * An object with methods for projecting geographical coordinates of the world onto - * a flat surface (and back). See [Map projection](http://en.wikipedia.org/wiki/Map_projection). - - * @property bounds: Bounds - * The bounds (specified in CRS units) where the projection is valid - - * @method project(latlng: LatLng): Point - * Projects geographical coordinates into a 2D point. - * Only accepts actual `L.LatLng` instances, not arrays. - - * @method unproject(point: Point): LatLng - * The inverse of `project`. Projects a 2D point into a geographical location. - * Only accepts actual `L.Point` instances, not arrays. - - * Note that the projection instances do not inherit from Leafet's `Class` object, - * and can't be instantiated. Also, new classes can't inherit from them, - * and methods can't be added to them with the `include` function. - - */ - - - - -var index = (Object.freeze || Object)({ - LonLat: LonLat, - Mercator: Mercator, - SphericalMercator: SphericalMercator -}); - +}; + +/* + * @class Projection + + * An object with methods for projecting geographical coordinates of the world onto + * a flat surface (and back). See [Map projection](http://en.wikipedia.org/wiki/Map_projection). + + * @property bounds: Bounds + * The bounds (specified in CRS units) where the projection is valid + + * @method project(latlng: LatLng): Point + * Projects geographical coordinates into a 2D point. + * Only accepts actual `L.LatLng` instances, not arrays. + + * @method unproject(point: Point): LatLng + * The inverse of `project`. Projects a 2D point into a geographical location. + * Only accepts actual `L.Point` instances, not arrays. + + * Note that the projection instances do not inherit from Leafet's `Class` object, + * and can't be instantiated. Also, new classes can't inherit from them, + * and methods can't be added to them with the `include` function. + + */ + + + + +var index = (Object.freeze || Object)({ + LonLat: LonLat, + Mercator: Mercator, + SphericalMercator: SphericalMercator +}); + /* * @namespace CRS * @crs L.CRS.EPSG3395 @@ -6363,8 +6363,8 @@ var EPSG3395 = extend({}, Earth, { var scale = 0.5 / (Math.PI * Mercator.R); return toTransformation(scale, 0.5, -scale, 0.5); }()) -}); - +}); + /* * @namespace CRS * @crs L.CRS.EPSG4326 @@ -6382,323 +6382,323 @@ var EPSG4326 = extend({}, Earth, { code: 'EPSG:4326', projection: LonLat, transformation: toTransformation(1 / 180, 1, -1 / 180, 0.5) -}); - -/* - * @namespace CRS - * @crs L.CRS.Simple - * - * A simple CRS that maps longitude and latitude into `x` and `y` directly. - * May be used for maps of flat surfaces (e.g. game maps). Note that the `y` - * axis should still be inverted (going from bottom to top). `distance()` returns - * simple euclidean distance. - */ - -var Simple = extend({}, CRS, { - projection: LonLat, - transformation: toTransformation(1, 0, -1, 0), - - scale: function (zoom) { - return Math.pow(2, zoom); - }, - - zoom: function (scale) { - return Math.log(scale) / Math.LN2; - }, - - distance: function (latlng1, latlng2) { - var dx = latlng2.lng - latlng1.lng, - dy = latlng2.lat - latlng1.lat; - - return Math.sqrt(dx * dx + dy * dy); - }, - - infinite: true -}); - -CRS.Earth = Earth; -CRS.EPSG3395 = EPSG3395; -CRS.EPSG3857 = EPSG3857; -CRS.EPSG900913 = EPSG900913; -CRS.EPSG4326 = EPSG4326; -CRS.Simple = Simple; - -/* - * @class Layer - * @inherits Evented - * @aka L.Layer - * @aka ILayer - * - * A set of methods from the Layer base class that all Leaflet layers use. - * Inherits all methods, options and events from `L.Evented`. - * - * @example - * - * ```js - * var layer = L.Marker(latlng).addTo(map); - * layer.addTo(map); - * layer.remove(); - * ``` - * - * @event add: Event - * Fired after the layer is added to a map - * - * @event remove: Event - * Fired after the layer is removed from a map - */ - - -var Layer = Evented.extend({ - - // Classes extending `L.Layer` will inherit the following options: - options: { - // @option pane: String = 'overlayPane' - // By default the layer will be added to the map's [overlay pane](#map-overlaypane). Overriding this option will cause the layer to be placed on another pane by default. - pane: 'overlayPane', - - // @option attribution: String = null - // String to be shown in the attribution control, describes the layer data, e.g. "© Mapbox". - attribution: null, - - bubblingMouseEvents: true - }, - - /* @section - * Classes extending `L.Layer` will inherit the following methods: - * - * @method addTo(map: Map|LayerGroup): this - * Adds the layer to the given map or layer group. - */ - addTo: function (map) { - map.addLayer(this); - return this; - }, - - // @method remove: this - // Removes the layer from the map it is currently active on. - remove: function () { - return this.removeFrom(this._map || this._mapToAdd); - }, - - // @method removeFrom(map: Map): this - // Removes the layer from the given map - removeFrom: function (obj) { - if (obj) { - obj.removeLayer(this); - } - return this; - }, - - // @method getPane(name? : String): HTMLElement - // Returns the `HTMLElement` representing the named pane on the map. If `name` is omitted, returns the pane for this layer. - getPane: function (name) { - return this._map.getPane(name ? (this.options[name] || name) : this.options.pane); - }, - - addInteractiveTarget: function (targetEl) { - this._map._targets[stamp(targetEl)] = this; - return this; - }, - - removeInteractiveTarget: function (targetEl) { - delete this._map._targets[stamp(targetEl)]; - return this; - }, - - // @method getAttribution: String - // Used by the `attribution control`, returns the [attribution option](#gridlayer-attribution). - getAttribution: function () { - return this.options.attribution; - }, - - _layerAdd: function (e) { - var map = e.target; - - // check in case layer gets added and then removed before the map is ready - if (!map.hasLayer(this)) { return; } - - this._map = map; - this._zoomAnimated = map._zoomAnimated; - - if (this.getEvents) { - var events = this.getEvents(); - map.on(events, this); - this.once('remove', function () { - map.off(events, this); - }, this); - } - - this.onAdd(map); - - if (this.getAttribution && map.attributionControl) { - map.attributionControl.addAttribution(this.getAttribution()); - } - - this.fire('add'); - map.fire('layeradd', {layer: this}); - } -}); - -/* @section Extension methods - * @uninheritable - * - * Every layer should extend from `L.Layer` and (re-)implement the following methods. - * - * @method onAdd(map: Map): this - * Should contain code that creates DOM elements for the layer, adds them to `map panes` where they should belong and puts listeners on relevant map events. Called on [`map.addLayer(layer)`](#map-addlayer). - * - * @method onRemove(map: Map): this - * Should contain all clean up code that removes the layer's elements from the DOM and removes listeners previously added in [`onAdd`](#layer-onadd). Called on [`map.removeLayer(layer)`](#map-removelayer). - * - * @method getEvents(): Object - * This optional method should return an object like `{ viewreset: this._reset }` for [`addEventListener`](#evented-addeventlistener). The event handlers in this object will be automatically added and removed from the map with your layer. - * - * @method getAttribution(): String - * This optional method should return a string containing HTML to be shown on the `Attribution control` whenever the layer is visible. - * - * @method beforeAdd(map: Map): this - * Optional method. Called on [`map.addLayer(layer)`](#map-addlayer), before the layer is added to the map, before events are initialized, without waiting until the map is in a usable state. Use for early initialization only. - */ - - -/* @namespace Map - * @section Layer events - * - * @event layeradd: LayerEvent - * Fired when a new layer is added to the map. - * - * @event layerremove: LayerEvent - * Fired when some layer is removed from the map - * - * @section Methods for Layers and Controls - */ -Map.include({ - // @method addLayer(layer: Layer): this - // Adds the given layer to the map - addLayer: function (layer) { - if (!layer._layerAdd) { - throw new Error('The provided object is not a Layer.'); - } - - var id = stamp(layer); - if (this._layers[id]) { return this; } - this._layers[id] = layer; - - layer._mapToAdd = this; - - if (layer.beforeAdd) { - layer.beforeAdd(this); - } - - this.whenReady(layer._layerAdd, layer); - - return this; - }, - - // @method removeLayer(layer: Layer): this - // Removes the given layer from the map. - removeLayer: function (layer) { - var id = stamp(layer); - - if (!this._layers[id]) { return this; } - - if (this._loaded) { - layer.onRemove(this); - } - - if (layer.getAttribution && this.attributionControl) { - this.attributionControl.removeAttribution(layer.getAttribution()); - } - - delete this._layers[id]; - - if (this._loaded) { - this.fire('layerremove', {layer: layer}); - layer.fire('remove'); - } - - layer._map = layer._mapToAdd = null; - - return this; - }, - - // @method hasLayer(layer: Layer): Boolean - // Returns `true` if the given layer is currently added to the map - hasLayer: function (layer) { - return !!layer && (stamp(layer) in this._layers); - }, - - /* @method eachLayer(fn: Function, context?: Object): this - * Iterates over the layers of the map, optionally specifying context of the iterator function. - * ``` - * map.eachLayer(function(layer){ - * layer.bindPopup('Hello'); - * }); - * ``` - */ - eachLayer: function (method, context) { - for (var i in this._layers) { - method.call(context, this._layers[i]); - } - return this; - }, - - _addLayers: function (layers) { - layers = layers ? (isArray(layers) ? layers : [layers]) : []; - - for (var i = 0, len = layers.length; i < len; i++) { - this.addLayer(layers[i]); - } - }, - - _addZoomLimit: function (layer) { - if (isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom)) { - this._zoomBoundLayers[stamp(layer)] = layer; - this._updateZoomLevels(); - } - }, - - _removeZoomLimit: function (layer) { - var id = stamp(layer); - - if (this._zoomBoundLayers[id]) { - delete this._zoomBoundLayers[id]; - this._updateZoomLevels(); - } - }, - - _updateZoomLevels: function () { - var minZoom = Infinity, - maxZoom = -Infinity, - oldZoomSpan = this._getZoomSpan(); - - for (var i in this._zoomBoundLayers) { - var options = this._zoomBoundLayers[i].options; - - minZoom = options.minZoom === undefined ? minZoom : Math.min(minZoom, options.minZoom); - maxZoom = options.maxZoom === undefined ? maxZoom : Math.max(maxZoom, options.maxZoom); - } - - this._layersMaxZoom = maxZoom === -Infinity ? undefined : maxZoom; - this._layersMinZoom = minZoom === Infinity ? undefined : minZoom; - - // @section Map state change events - // @event zoomlevelschange: Event - // Fired when the number of zoomlevels on the map is changed due - // to adding or removing a layer. - if (oldZoomSpan !== this._getZoomSpan()) { - this.fire('zoomlevelschange'); - } - - if (this.options.maxZoom === undefined && this._layersMaxZoom && this.getZoom() > this._layersMaxZoom) { - this.setZoom(this._layersMaxZoom); - } - if (this.options.minZoom === undefined && this._layersMinZoom && this.getZoom() < this._layersMinZoom) { - this.setZoom(this._layersMinZoom); - } - } -}); - +}); + +/* + * @namespace CRS + * @crs L.CRS.Simple + * + * A simple CRS that maps longitude and latitude into `x` and `y` directly. + * May be used for maps of flat surfaces (e.g. game maps). Note that the `y` + * axis should still be inverted (going from bottom to top). `distance()` returns + * simple euclidean distance. + */ + +var Simple = extend({}, CRS, { + projection: LonLat, + transformation: toTransformation(1, 0, -1, 0), + + scale: function (zoom) { + return Math.pow(2, zoom); + }, + + zoom: function (scale) { + return Math.log(scale) / Math.LN2; + }, + + distance: function (latlng1, latlng2) { + var dx = latlng2.lng - latlng1.lng, + dy = latlng2.lat - latlng1.lat; + + return Math.sqrt(dx * dx + dy * dy); + }, + + infinite: true +}); + +CRS.Earth = Earth; +CRS.EPSG3395 = EPSG3395; +CRS.EPSG3857 = EPSG3857; +CRS.EPSG900913 = EPSG900913; +CRS.EPSG4326 = EPSG4326; +CRS.Simple = Simple; + +/* + * @class Layer + * @inherits Evented + * @aka L.Layer + * @aka ILayer + * + * A set of methods from the Layer base class that all Leaflet layers use. + * Inherits all methods, options and events from `L.Evented`. + * + * @example + * + * ```js + * var layer = L.Marker(latlng).addTo(map); + * layer.addTo(map); + * layer.remove(); + * ``` + * + * @event add: Event + * Fired after the layer is added to a map + * + * @event remove: Event + * Fired after the layer is removed from a map + */ + + +var Layer = Evented.extend({ + + // Classes extending `L.Layer` will inherit the following options: + options: { + // @option pane: String = 'overlayPane' + // By default the layer will be added to the map's [overlay pane](#map-overlaypane). Overriding this option will cause the layer to be placed on another pane by default. + pane: 'overlayPane', + + // @option attribution: String = null + // String to be shown in the attribution control, describes the layer data, e.g. "© Mapbox". + attribution: null, + + bubblingMouseEvents: true + }, + + /* @section + * Classes extending `L.Layer` will inherit the following methods: + * + * @method addTo(map: Map|LayerGroup): this + * Adds the layer to the given map or layer group. + */ + addTo: function (map) { + map.addLayer(this); + return this; + }, + + // @method remove: this + // Removes the layer from the map it is currently active on. + remove: function () { + return this.removeFrom(this._map || this._mapToAdd); + }, + + // @method removeFrom(map: Map): this + // Removes the layer from the given map + removeFrom: function (obj) { + if (obj) { + obj.removeLayer(this); + } + return this; + }, + + // @method getPane(name? : String): HTMLElement + // Returns the `HTMLElement` representing the named pane on the map. If `name` is omitted, returns the pane for this layer. + getPane: function (name) { + return this._map.getPane(name ? (this.options[name] || name) : this.options.pane); + }, + + addInteractiveTarget: function (targetEl) { + this._map._targets[stamp(targetEl)] = this; + return this; + }, + + removeInteractiveTarget: function (targetEl) { + delete this._map._targets[stamp(targetEl)]; + return this; + }, + + // @method getAttribution: String + // Used by the `attribution control`, returns the [attribution option](#gridlayer-attribution). + getAttribution: function () { + return this.options.attribution; + }, + + _layerAdd: function (e) { + var map = e.target; + + // check in case layer gets added and then removed before the map is ready + if (!map.hasLayer(this)) { return; } + + this._map = map; + this._zoomAnimated = map._zoomAnimated; + + if (this.getEvents) { + var events = this.getEvents(); + map.on(events, this); + this.once('remove', function () { + map.off(events, this); + }, this); + } + + this.onAdd(map); + + if (this.getAttribution && map.attributionControl) { + map.attributionControl.addAttribution(this.getAttribution()); + } + + this.fire('add'); + map.fire('layeradd', {layer: this}); + } +}); + +/* @section Extension methods + * @uninheritable + * + * Every layer should extend from `L.Layer` and (re-)implement the following methods. + * + * @method onAdd(map: Map): this + * Should contain code that creates DOM elements for the layer, adds them to `map panes` where they should belong and puts listeners on relevant map events. Called on [`map.addLayer(layer)`](#map-addlayer). + * + * @method onRemove(map: Map): this + * Should contain all clean up code that removes the layer's elements from the DOM and removes listeners previously added in [`onAdd`](#layer-onadd). Called on [`map.removeLayer(layer)`](#map-removelayer). + * + * @method getEvents(): Object + * This optional method should return an object like `{ viewreset: this._reset }` for [`addEventListener`](#evented-addeventlistener). The event handlers in this object will be automatically added and removed from the map with your layer. + * + * @method getAttribution(): String + * This optional method should return a string containing HTML to be shown on the `Attribution control` whenever the layer is visible. + * + * @method beforeAdd(map: Map): this + * Optional method. Called on [`map.addLayer(layer)`](#map-addlayer), before the layer is added to the map, before events are initialized, without waiting until the map is in a usable state. Use for early initialization only. + */ + + +/* @namespace Map + * @section Layer events + * + * @event layeradd: LayerEvent + * Fired when a new layer is added to the map. + * + * @event layerremove: LayerEvent + * Fired when some layer is removed from the map + * + * @section Methods for Layers and Controls + */ +Map.include({ + // @method addLayer(layer: Layer): this + // Adds the given layer to the map + addLayer: function (layer) { + if (!layer._layerAdd) { + throw new Error('The provided object is not a Layer.'); + } + + var id = stamp(layer); + if (this._layers[id]) { return this; } + this._layers[id] = layer; + + layer._mapToAdd = this; + + if (layer.beforeAdd) { + layer.beforeAdd(this); + } + + this.whenReady(layer._layerAdd, layer); + + return this; + }, + + // @method removeLayer(layer: Layer): this + // Removes the given layer from the map. + removeLayer: function (layer) { + var id = stamp(layer); + + if (!this._layers[id]) { return this; } + + if (this._loaded) { + layer.onRemove(this); + } + + if (layer.getAttribution && this.attributionControl) { + this.attributionControl.removeAttribution(layer.getAttribution()); + } + + delete this._layers[id]; + + if (this._loaded) { + this.fire('layerremove', {layer: layer}); + layer.fire('remove'); + } + + layer._map = layer._mapToAdd = null; + + return this; + }, + + // @method hasLayer(layer: Layer): Boolean + // Returns `true` if the given layer is currently added to the map + hasLayer: function (layer) { + return !!layer && (stamp(layer) in this._layers); + }, + + /* @method eachLayer(fn: Function, context?: Object): this + * Iterates over the layers of the map, optionally specifying context of the iterator function. + * ``` + * map.eachLayer(function(layer){ + * layer.bindPopup('Hello'); + * }); + * ``` + */ + eachLayer: function (method, context) { + for (var i in this._layers) { + method.call(context, this._layers[i]); + } + return this; + }, + + _addLayers: function (layers) { + layers = layers ? (isArray(layers) ? layers : [layers]) : []; + + for (var i = 0, len = layers.length; i < len; i++) { + this.addLayer(layers[i]); + } + }, + + _addZoomLimit: function (layer) { + if (isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom)) { + this._zoomBoundLayers[stamp(layer)] = layer; + this._updateZoomLevels(); + } + }, + + _removeZoomLimit: function (layer) { + var id = stamp(layer); + + if (this._zoomBoundLayers[id]) { + delete this._zoomBoundLayers[id]; + this._updateZoomLevels(); + } + }, + + _updateZoomLevels: function () { + var minZoom = Infinity, + maxZoom = -Infinity, + oldZoomSpan = this._getZoomSpan(); + + for (var i in this._zoomBoundLayers) { + var options = this._zoomBoundLayers[i].options; + + minZoom = options.minZoom === undefined ? minZoom : Math.min(minZoom, options.minZoom); + maxZoom = options.maxZoom === undefined ? maxZoom : Math.max(maxZoom, options.maxZoom); + } + + this._layersMaxZoom = maxZoom === -Infinity ? undefined : maxZoom; + this._layersMinZoom = minZoom === Infinity ? undefined : minZoom; + + // @section Map state change events + // @event zoomlevelschange: Event + // Fired when the number of zoomlevels on the map is changed due + // to adding or removing a layer. + if (oldZoomSpan !== this._getZoomSpan()) { + this.fire('zoomlevelschange'); + } + + if (this.options.maxZoom === undefined && this._layersMaxZoom && this.getZoom() > this._layersMaxZoom) { + this.setZoom(this._layersMaxZoom); + } + if (this.options.minZoom === undefined && this._layersMinZoom && this.getZoom() < this._layersMinZoom) { + this.setZoom(this._layersMinZoom); + } + } +}); + /* * @class LayerGroup * @aka L.LayerGroup @@ -6852,8 +6852,8 @@ var LayerGroup = Layer.extend({ // Create a layer group, optionally given an initial set of layers and an `options` object. var layerGroup = function (layers, options) { return new LayerGroup(layers, options); -}; - +}; + /* * @class FeatureGroup * @aka L.FeatureGroup @@ -6944,8 +6944,8 @@ var FeatureGroup = LayerGroup.extend({ // Create a feature group, optionally given an initial set of layers. var featureGroup = function (layers) { return new FeatureGroup(layers); -}; - +}; + /* * @class Icon * @aka L.Icon @@ -7095,218 +7095,218 @@ var Icon = Class.extend({ // Creates an icon instance with the given options. function icon(options) { return new Icon(options); -} - -/* - * @miniclass Icon.Default (Icon) - * @aka L.Icon.Default - * @section - * - * A trivial subclass of `Icon`, represents the icon to use in `Marker`s when - * no icon is specified. Points to the blue marker image distributed with Leaflet - * releases. - * - * In order to customize the default icon, just change the properties of `L.Icon.Default.prototype.options` - * (which is a set of `Icon options`). - * - * If you want to _completely_ replace the default icon, override the - * `L.Marker.prototype.options.icon` with your own icon instead. - */ - -var IconDefault = Icon.extend({ - - options: { - iconUrl: 'marker-icon.png', - iconRetinaUrl: 'marker-icon-2x.png', - shadowUrl: 'marker-shadow.png', - iconSize: [25, 41], - iconAnchor: [12, 41], - popupAnchor: [1, -34], - tooltipAnchor: [16, -28], - shadowSize: [41, 41] - }, - - _getIconUrl: function (name) { - if (!IconDefault.imagePath) { // Deprecated, backwards-compatibility only - IconDefault.imagePath = this._detectIconPath(); - } - - // @option imagePath: String - // `Icon.Default` will try to auto-detect the location of the - // blue icon images. If you are placing these images in a non-standard - // way, set this option to point to the right path. - return (this.options.imagePath || IconDefault.imagePath) + Icon.prototype._getIconUrl.call(this, name); - }, - - _detectIconPath: function () { - var el = create$1('div', 'leaflet-default-icon-path', document.body); - var path = getStyle(el, 'background-image') || - getStyle(el, 'backgroundImage'); // IE8 - - document.body.removeChild(el); - - if (path === null || path.indexOf('url') !== 0) { - path = ''; - } else { - path = path.replace(/^url\(["']?/, '').replace(/marker-icon\.png["']?\)$/, ''); - } - - return path; - } -}); - -/* - * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable. - */ - - -/* @namespace Marker - * @section Interaction handlers - * - * Interaction handlers are properties of a marker instance that allow you to control interaction behavior in runtime, enabling or disabling certain features such as dragging (see `Handler` methods). Example: - * - * ```js - * marker.dragging.disable(); - * ``` - * - * @property dragging: Handler - * Marker dragging handler (by both mouse and touch). Only valid when the marker is on the map (Otherwise set [`marker.options.draggable`](#marker-draggable)). - */ - -var MarkerDrag = Handler.extend({ - initialize: function (marker) { - this._marker = marker; - }, - - addHooks: function () { - var icon = this._marker._icon; - - if (!this._draggable) { - this._draggable = new Draggable(icon, icon, true); - } - - this._draggable.on({ - dragstart: this._onDragStart, - predrag: this._onPreDrag, - drag: this._onDrag, - dragend: this._onDragEnd - }, this).enable(); - - addClass(icon, 'leaflet-marker-draggable'); - }, - - removeHooks: function () { - this._draggable.off({ - dragstart: this._onDragStart, - predrag: this._onPreDrag, - drag: this._onDrag, - dragend: this._onDragEnd - }, this).disable(); - - if (this._marker._icon) { - removeClass(this._marker._icon, 'leaflet-marker-draggable'); - } - }, - - moved: function () { - return this._draggable && this._draggable._moved; - }, - - _adjustPan: function (e) { - var marker = this._marker, - map = marker._map, - speed = this._marker.options.autoPanSpeed, - padding = this._marker.options.autoPanPadding, - iconPos = getPosition(marker._icon), - bounds = map.getPixelBounds(), - origin = map.getPixelOrigin(); - - var panBounds = toBounds( - bounds.min._subtract(origin).add(padding), - bounds.max._subtract(origin).subtract(padding) - ); - - if (!panBounds.contains(iconPos)) { - // Compute incremental movement - var movement = toPoint( - (Math.max(panBounds.max.x, iconPos.x) - panBounds.max.x) / (bounds.max.x - panBounds.max.x) - - (Math.min(panBounds.min.x, iconPos.x) - panBounds.min.x) / (bounds.min.x - panBounds.min.x), - - (Math.max(panBounds.max.y, iconPos.y) - panBounds.max.y) / (bounds.max.y - panBounds.max.y) - - (Math.min(panBounds.min.y, iconPos.y) - panBounds.min.y) / (bounds.min.y - panBounds.min.y) - ).multiplyBy(speed); - - map.panBy(movement, {animate: false}); - - this._draggable._newPos._add(movement); - this._draggable._startPos._add(movement); - - setPosition(marker._icon, this._draggable._newPos); - this._onDrag(e); - - this._panRequest = requestAnimFrame(this._adjustPan.bind(this, e)); - } - }, - - _onDragStart: function () { - // @section Dragging events - // @event dragstart: Event - // Fired when the user starts dragging the marker. - - // @event movestart: Event - // Fired when the marker starts moving (because of dragging). - - this._oldLatLng = this._marker.getLatLng(); - this._marker - .closePopup() - .fire('movestart') - .fire('dragstart'); - }, - - _onPreDrag: function (e) { - if (this._marker.options.autoPan) { - cancelAnimFrame(this._panRequest); - this._panRequest = requestAnimFrame(this._adjustPan.bind(this, e)); - } - }, - - _onDrag: function (e) { - var marker = this._marker, - shadow = marker._shadow, - iconPos = getPosition(marker._icon), - latlng = marker._map.layerPointToLatLng(iconPos); - - // update shadow position - if (shadow) { - setPosition(shadow, iconPos); - } - - marker._latlng = latlng; - e.latlng = latlng; - e.oldLatLng = this._oldLatLng; - - // @event drag: Event - // Fired repeatedly while the user drags the marker. - marker - .fire('move', e) - .fire('drag', e); - }, - - _onDragEnd: function (e) { - // @event dragend: DragEndEvent - // Fired when the user stops dragging the marker. - - cancelAnimFrame(this._panRequest); - - // @event moveend: Event - // Fired when the marker stops moving (because of dragging). - delete this._oldLatLng; - this._marker - .fire('moveend') - .fire('dragend', e); - } -}); - +} + +/* + * @miniclass Icon.Default (Icon) + * @aka L.Icon.Default + * @section + * + * A trivial subclass of `Icon`, represents the icon to use in `Marker`s when + * no icon is specified. Points to the blue marker image distributed with Leaflet + * releases. + * + * In order to customize the default icon, just change the properties of `L.Icon.Default.prototype.options` + * (which is a set of `Icon options`). + * + * If you want to _completely_ replace the default icon, override the + * `L.Marker.prototype.options.icon` with your own icon instead. + */ + +var IconDefault = Icon.extend({ + + options: { + iconUrl: 'marker-icon.png', + iconRetinaUrl: 'marker-icon-2x.png', + shadowUrl: 'marker-shadow.png', + iconSize: [25, 41], + iconAnchor: [12, 41], + popupAnchor: [1, -34], + tooltipAnchor: [16, -28], + shadowSize: [41, 41] + }, + + _getIconUrl: function (name) { + if (!IconDefault.imagePath) { // Deprecated, backwards-compatibility only + IconDefault.imagePath = this._detectIconPath(); + } + + // @option imagePath: String + // `Icon.Default` will try to auto-detect the location of the + // blue icon images. If you are placing these images in a non-standard + // way, set this option to point to the right path. + return (this.options.imagePath || IconDefault.imagePath) + Icon.prototype._getIconUrl.call(this, name); + }, + + _detectIconPath: function () { + var el = create$1('div', 'leaflet-default-icon-path', document.body); + var path = getStyle(el, 'background-image') || + getStyle(el, 'backgroundImage'); // IE8 + + document.body.removeChild(el); + + if (path === null || path.indexOf('url') !== 0) { + path = ''; + } else { + path = path.replace(/^url\(["']?/, '').replace(/marker-icon\.png["']?\)$/, ''); + } + + return path; + } +}); + +/* + * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable. + */ + + +/* @namespace Marker + * @section Interaction handlers + * + * Interaction handlers are properties of a marker instance that allow you to control interaction behavior in runtime, enabling or disabling certain features such as dragging (see `Handler` methods). Example: + * + * ```js + * marker.dragging.disable(); + * ``` + * + * @property dragging: Handler + * Marker dragging handler (by both mouse and touch). Only valid when the marker is on the map (Otherwise set [`marker.options.draggable`](#marker-draggable)). + */ + +var MarkerDrag = Handler.extend({ + initialize: function (marker) { + this._marker = marker; + }, + + addHooks: function () { + var icon = this._marker._icon; + + if (!this._draggable) { + this._draggable = new Draggable(icon, icon, true); + } + + this._draggable.on({ + dragstart: this._onDragStart, + predrag: this._onPreDrag, + drag: this._onDrag, + dragend: this._onDragEnd + }, this).enable(); + + addClass(icon, 'leaflet-marker-draggable'); + }, + + removeHooks: function () { + this._draggable.off({ + dragstart: this._onDragStart, + predrag: this._onPreDrag, + drag: this._onDrag, + dragend: this._onDragEnd + }, this).disable(); + + if (this._marker._icon) { + removeClass(this._marker._icon, 'leaflet-marker-draggable'); + } + }, + + moved: function () { + return this._draggable && this._draggable._moved; + }, + + _adjustPan: function (e) { + var marker = this._marker, + map = marker._map, + speed = this._marker.options.autoPanSpeed, + padding = this._marker.options.autoPanPadding, + iconPos = getPosition(marker._icon), + bounds = map.getPixelBounds(), + origin = map.getPixelOrigin(); + + var panBounds = toBounds( + bounds.min._subtract(origin).add(padding), + bounds.max._subtract(origin).subtract(padding) + ); + + if (!panBounds.contains(iconPos)) { + // Compute incremental movement + var movement = toPoint( + (Math.max(panBounds.max.x, iconPos.x) - panBounds.max.x) / (bounds.max.x - panBounds.max.x) - + (Math.min(panBounds.min.x, iconPos.x) - panBounds.min.x) / (bounds.min.x - panBounds.min.x), + + (Math.max(panBounds.max.y, iconPos.y) - panBounds.max.y) / (bounds.max.y - panBounds.max.y) - + (Math.min(panBounds.min.y, iconPos.y) - panBounds.min.y) / (bounds.min.y - panBounds.min.y) + ).multiplyBy(speed); + + map.panBy(movement, {animate: false}); + + this._draggable._newPos._add(movement); + this._draggable._startPos._add(movement); + + setPosition(marker._icon, this._draggable._newPos); + this._onDrag(e); + + this._panRequest = requestAnimFrame(this._adjustPan.bind(this, e)); + } + }, + + _onDragStart: function () { + // @section Dragging events + // @event dragstart: Event + // Fired when the user starts dragging the marker. + + // @event movestart: Event + // Fired when the marker starts moving (because of dragging). + + this._oldLatLng = this._marker.getLatLng(); + this._marker + .closePopup() + .fire('movestart') + .fire('dragstart'); + }, + + _onPreDrag: function (e) { + if (this._marker.options.autoPan) { + cancelAnimFrame(this._panRequest); + this._panRequest = requestAnimFrame(this._adjustPan.bind(this, e)); + } + }, + + _onDrag: function (e) { + var marker = this._marker, + shadow = marker._shadow, + iconPos = getPosition(marker._icon), + latlng = marker._map.layerPointToLatLng(iconPos); + + // update shadow position + if (shadow) { + setPosition(shadow, iconPos); + } + + marker._latlng = latlng; + e.latlng = latlng; + e.oldLatLng = this._oldLatLng; + + // @event drag: Event + // Fired repeatedly while the user drags the marker. + marker + .fire('move', e) + .fire('drag', e); + }, + + _onDragEnd: function (e) { + // @event dragend: DragEndEvent + // Fired when the user stops dragging the marker. + + cancelAnimFrame(this._panRequest); + + // @event moveend: Event + // Fired when the marker stops moving (because of dragging). + delete this._oldLatLng; + this._marker + .fire('moveend') + .fire('dragend', e); + } +}); + /* * @class Marker * @inherits Interactive layer @@ -7668,855 +7668,855 @@ var Marker = Layer.extend({ // Instantiates a Marker object given a geographical point and optionally an options object. function marker(latlng, options) { return new Marker(latlng, options); -} - -/* - * @class Path - * @aka L.Path - * @inherits Interactive layer - * - * An abstract class that contains options and constants shared between vector - * overlays (Polygon, Polyline, Circle). Do not use it directly. Extends `Layer`. - */ - -var Path = Layer.extend({ - - // @section - // @aka Path options - options: { - // @option stroke: Boolean = true - // Whether to draw stroke along the path. Set it to `false` to disable borders on polygons or circles. - stroke: true, - - // @option color: String = '#3388ff' - // Stroke color - color: '#3388ff', - - // @option weight: Number = 3 - // Stroke width in pixels - weight: 3, - - // @option opacity: Number = 1.0 - // Stroke opacity - opacity: 1, - - // @option lineCap: String= 'round' - // A string that defines [shape to be used at the end](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linecap) of the stroke. - lineCap: 'round', - - // @option lineJoin: String = 'round' - // A string that defines [shape to be used at the corners](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linejoin) of the stroke. - lineJoin: 'round', - - // @option dashArray: String = null - // A string that defines the stroke [dash pattern](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dasharray). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility). - dashArray: null, - - // @option dashOffset: String = null - // A string that defines the [distance into the dash pattern to start the dash](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dashoffset). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility). - dashOffset: null, - - // @option fill: Boolean = depends - // Whether to fill the path with color. Set it to `false` to disable filling on polygons or circles. - fill: false, - - // @option fillColor: String = * - // Fill color. Defaults to the value of the [`color`](#path-color) option - fillColor: null, - - // @option fillOpacity: Number = 0.2 - // Fill opacity. - fillOpacity: 0.2, - - // @option fillRule: String = 'evenodd' - // A string that defines [how the inside of a shape](https://developer.mozilla.org/docs/Web/SVG/Attribute/fill-rule) is determined. - fillRule: 'evenodd', - - // className: '', - - // Option inherited from "Interactive layer" abstract class - interactive: true, - - // @option bubblingMouseEvents: Boolean = true - // When `true`, a mouse event on this path will trigger the same event on the map - // (unless [`L.DomEvent.stopPropagation`](#domevent-stoppropagation) is used). - bubblingMouseEvents: true - }, - - beforeAdd: function (map) { - // Renderer is set here because we need to call renderer.getEvents - // before this.getEvents. - this._renderer = map.getRenderer(this); - }, - - onAdd: function () { - this._renderer._initPath(this); - this._reset(); - this._renderer._addPath(this); - }, - - onRemove: function () { - this._renderer._removePath(this); - }, - - // @method redraw(): this - // Redraws the layer. Sometimes useful after you changed the coordinates that the path uses. - redraw: function () { - if (this._map) { - this._renderer._updatePath(this); - } - return this; - }, - - // @method setStyle(style: Path options): this - // Changes the appearance of a Path based on the options in the `Path options` object. - setStyle: function (style) { - setOptions(this, style); - if (this._renderer) { - this._renderer._updateStyle(this); - } - return this; - }, - - // @method bringToFront(): this - // Brings the layer to the top of all path layers. - bringToFront: function () { - if (this._renderer) { - this._renderer._bringToFront(this); - } - return this; - }, - - // @method bringToBack(): this - // Brings the layer to the bottom of all path layers. - bringToBack: function () { - if (this._renderer) { - this._renderer._bringToBack(this); - } - return this; - }, - - getElement: function () { - return this._path; - }, - - _reset: function () { - // defined in child classes - this._project(); - this._update(); - }, - - _clickTolerance: function () { - // used when doing hit detection for Canvas layers - return (this.options.stroke ? this.options.weight / 2 : 0) + this._renderer.options.tolerance; - } -}); - -/* - * @class CircleMarker - * @aka L.CircleMarker - * @inherits Path - * - * A circle of a fixed size with radius specified in pixels. Extends `Path`. - */ - -var CircleMarker = Path.extend({ - - // @section - // @aka CircleMarker options - options: { - fill: true, - - // @option radius: Number = 10 - // Radius of the circle marker, in pixels - radius: 10 - }, - - initialize: function (latlng, options) { - setOptions(this, options); - this._latlng = toLatLng(latlng); - this._radius = this.options.radius; - }, - - // @method setLatLng(latLng: LatLng): this - // Sets the position of a circle marker to a new location. - setLatLng: function (latlng) { - this._latlng = toLatLng(latlng); - this.redraw(); - return this.fire('move', {latlng: this._latlng}); - }, - - // @method getLatLng(): LatLng - // Returns the current geographical position of the circle marker - getLatLng: function () { - return this._latlng; - }, - - // @method setRadius(radius: Number): this - // Sets the radius of a circle marker. Units are in pixels. - setRadius: function (radius) { - this.options.radius = this._radius = radius; - return this.redraw(); - }, - - // @method getRadius(): Number - // Returns the current radius of the circle - getRadius: function () { - return this._radius; - }, - - setStyle : function (options) { - var radius = options && options.radius || this._radius; - Path.prototype.setStyle.call(this, options); - this.setRadius(radius); - return this; - }, - - _project: function () { - this._point = this._map.latLngToLayerPoint(this._latlng); - this._updateBounds(); - }, - - _updateBounds: function () { - var r = this._radius, - r2 = this._radiusY || r, - w = this._clickTolerance(), - p = [r + w, r2 + w]; - this._pxBounds = new Bounds(this._point.subtract(p), this._point.add(p)); - }, - - _update: function () { - if (this._map) { - this._updatePath(); - } - }, - - _updatePath: function () { - this._renderer._updateCircle(this); - }, - - _empty: function () { - return this._radius && !this._renderer._bounds.intersects(this._pxBounds); - }, - - // Needed by the `Canvas` renderer for interactivity - _containsPoint: function (p) { - return p.distanceTo(this._point) <= this._radius + this._clickTolerance(); - } -}); - - -// @factory L.circleMarker(latlng: LatLng, options?: CircleMarker options) -// Instantiates a circle marker object given a geographical point, and an optional options object. -function circleMarker(latlng, options) { - return new CircleMarker(latlng, options); -} - -/* - * @class Circle - * @aka L.Circle - * @inherits CircleMarker - * - * A class for drawing circle overlays on a map. Extends `CircleMarker`. - * - * It's an approximation and starts to diverge from a real circle closer to poles (due to projection distortion). - * - * @example - * - * ```js - * L.circle([50.5, 30.5], {radius: 200}).addTo(map); - * ``` - */ - -var Circle = CircleMarker.extend({ - - initialize: function (latlng, options, legacyOptions) { - if (typeof options === 'number') { - // Backwards compatibility with 0.7.x factory (latlng, radius, options?) - options = extend({}, legacyOptions, {radius: options}); - } - setOptions(this, options); - this._latlng = toLatLng(latlng); - - if (isNaN(this.options.radius)) { throw new Error('Circle radius cannot be NaN'); } - - // @section - // @aka Circle options - // @option radius: Number; Radius of the circle, in meters. - this._mRadius = this.options.radius; - }, - - // @method setRadius(radius: Number): this - // Sets the radius of a circle. Units are in meters. - setRadius: function (radius) { - this._mRadius = radius; - return this.redraw(); - }, - - // @method getRadius(): Number - // Returns the current radius of a circle. Units are in meters. - getRadius: function () { - return this._mRadius; - }, - - // @method getBounds(): LatLngBounds - // Returns the `LatLngBounds` of the path. - getBounds: function () { - var half = [this._radius, this._radiusY || this._radius]; - - return new LatLngBounds( - this._map.layerPointToLatLng(this._point.subtract(half)), - this._map.layerPointToLatLng(this._point.add(half))); - }, - - setStyle: Path.prototype.setStyle, - - _project: function () { - - var lng = this._latlng.lng, - lat = this._latlng.lat, - map = this._map, - crs = map.options.crs; - - if (crs.distance === Earth.distance) { - var d = Math.PI / 180, - latR = (this._mRadius / Earth.R) / d, - top = map.project([lat + latR, lng]), - bottom = map.project([lat - latR, lng]), - p = top.add(bottom).divideBy(2), - lat2 = map.unproject(p).lat, - lngR = Math.acos((Math.cos(latR * d) - Math.sin(lat * d) * Math.sin(lat2 * d)) / - (Math.cos(lat * d) * Math.cos(lat2 * d))) / d; - - if (isNaN(lngR) || lngR === 0) { - lngR = latR / Math.cos(Math.PI / 180 * lat); // Fallback for edge case, #2425 - } - - this._point = p.subtract(map.getPixelOrigin()); - this._radius = isNaN(lngR) ? 0 : p.x - map.project([lat2, lng - lngR]).x; - this._radiusY = p.y - top.y; - - } else { - var latlng2 = crs.unproject(crs.project(this._latlng).subtract([this._mRadius, 0])); - - this._point = map.latLngToLayerPoint(this._latlng); - this._radius = this._point.x - map.latLngToLayerPoint(latlng2).x; - } - - this._updateBounds(); - } -}); - -// @factory L.circle(latlng: LatLng, options?: Circle options) -// Instantiates a circle object given a geographical point, and an options object -// which contains the circle radius. -// @alternative -// @factory L.circle(latlng: LatLng, radius: Number, options?: Circle options) -// Obsolete way of instantiating a circle, for compatibility with 0.7.x code. -// Do not use in new applications or plugins. -function circle(latlng, options, legacyOptions) { - return new Circle(latlng, options, legacyOptions); -} - -/* - * @class Polyline - * @aka L.Polyline - * @inherits Path - * - * A class for drawing polyline overlays on a map. Extends `Path`. - * - * @example - * - * ```js - * // create a red polyline from an array of LatLng points - * var latlngs = [ - * [45.51, -122.68], - * [37.77, -122.43], - * [34.04, -118.2] - * ]; - * - * var polyline = L.polyline(latlngs, {color: 'red'}).addTo(map); - * - * // zoom the map to the polyline - * map.fitBounds(polyline.getBounds()); - * ``` - * - * You can also pass a multi-dimensional array to represent a `MultiPolyline` shape: - * - * ```js - * // create a red polyline from an array of arrays of LatLng points - * var latlngs = [ - * [[45.51, -122.68], - * [37.77, -122.43], - * [34.04, -118.2]], - * [[40.78, -73.91], - * [41.83, -87.62], - * [32.76, -96.72]] - * ]; - * ``` - */ - - -var Polyline = Path.extend({ - - // @section - // @aka Polyline options - options: { - // @option smoothFactor: Number = 1.0 - // How much to simplify the polyline on each zoom level. More means - // better performance and smoother look, and less means more accurate representation. - smoothFactor: 1.0, - - // @option noClip: Boolean = false - // Disable polyline clipping. - noClip: false - }, - - initialize: function (latlngs, options) { - setOptions(this, options); - this._setLatLngs(latlngs); - }, - - // @method getLatLngs(): LatLng[] - // Returns an array of the points in the path, or nested arrays of points in case of multi-polyline. - getLatLngs: function () { - return this._latlngs; - }, - - // @method setLatLngs(latlngs: LatLng[]): this - // Replaces all the points in the polyline with the given array of geographical points. - setLatLngs: function (latlngs) { - this._setLatLngs(latlngs); - return this.redraw(); - }, - - // @method isEmpty(): Boolean - // Returns `true` if the Polyline has no LatLngs. - isEmpty: function () { - return !this._latlngs.length; - }, - - // @method closestLayerPoint(p: Point): Point - // Returns the point closest to `p` on the Polyline. - closestLayerPoint: function (p) { - var minDistance = Infinity, - minPoint = null, - closest = _sqClosestPointOnSegment, - p1, p2; - - for (var j = 0, jLen = this._parts.length; j < jLen; j++) { - var points = this._parts[j]; - - for (var i = 1, len = points.length; i < len; i++) { - p1 = points[i - 1]; - p2 = points[i]; - - var sqDist = closest(p, p1, p2, true); - - if (sqDist < minDistance) { - minDistance = sqDist; - minPoint = closest(p, p1, p2); - } - } - } - if (minPoint) { - minPoint.distance = Math.sqrt(minDistance); - } - return minPoint; - }, - - // @method getCenter(): LatLng - // Returns the center ([centroid](http://en.wikipedia.org/wiki/Centroid)) of the polyline. - getCenter: function () { - // throws error when not yet added to map as this center calculation requires projected coordinates - if (!this._map) { - throw new Error('Must add layer to map before using getCenter()'); - } - - var i, halfDist, segDist, dist, p1, p2, ratio, - points = this._rings[0], - len = points.length; - - if (!len) { return null; } - - // polyline centroid algorithm; only uses the first ring if there are multiple - - for (i = 0, halfDist = 0; i < len - 1; i++) { - halfDist += points[i].distanceTo(points[i + 1]) / 2; - } - - // The line is so small in the current view that all points are on the same pixel. - if (halfDist === 0) { - return this._map.layerPointToLatLng(points[0]); - } - - for (i = 0, dist = 0; i < len - 1; i++) { - p1 = points[i]; - p2 = points[i + 1]; - segDist = p1.distanceTo(p2); - dist += segDist; - - if (dist > halfDist) { - ratio = (dist - halfDist) / segDist; - return this._map.layerPointToLatLng([ - p2.x - ratio * (p2.x - p1.x), - p2.y - ratio * (p2.y - p1.y) - ]); - } - } - }, - - // @method getBounds(): LatLngBounds - // Returns the `LatLngBounds` of the path. - getBounds: function () { - return this._bounds; - }, - - // @method addLatLng(latlng: LatLng, latlngs? LatLng[]): this - // Adds a given point to the polyline. By default, adds to the first ring of - // the polyline in case of a multi-polyline, but can be overridden by passing - // a specific ring as a LatLng array (that you can earlier access with [`getLatLngs`](#polyline-getlatlngs)). - addLatLng: function (latlng, latlngs) { - latlngs = latlngs || this._defaultShape(); - latlng = toLatLng(latlng); - latlngs.push(latlng); - this._bounds.extend(latlng); - return this.redraw(); - }, - - _setLatLngs: function (latlngs) { - this._bounds = new LatLngBounds(); - this._latlngs = this._convertLatLngs(latlngs); - }, - - _defaultShape: function () { - return isFlat(this._latlngs) ? this._latlngs : this._latlngs[0]; - }, - - // recursively convert latlngs input into actual LatLng instances; calculate bounds along the way - _convertLatLngs: function (latlngs) { - var result = [], - flat = isFlat(latlngs); - - for (var i = 0, len = latlngs.length; i < len; i++) { - if (flat) { - result[i] = toLatLng(latlngs[i]); - this._bounds.extend(result[i]); - } else { - result[i] = this._convertLatLngs(latlngs[i]); - } - } - - return result; - }, - - _project: function () { - var pxBounds = new Bounds(); - this._rings = []; - this._projectLatlngs(this._latlngs, this._rings, pxBounds); - - var w = this._clickTolerance(), - p = new Point(w, w); - - if (this._bounds.isValid() && pxBounds.isValid()) { - pxBounds.min._subtract(p); - pxBounds.max._add(p); - this._pxBounds = pxBounds; - } - }, - - // recursively turns latlngs into a set of rings with projected coordinates - _projectLatlngs: function (latlngs, result, projectedBounds) { - var flat = latlngs[0] instanceof LatLng, - len = latlngs.length, - i, ring; - - if (flat) { - ring = []; - for (i = 0; i < len; i++) { - ring[i] = this._map.latLngToLayerPoint(latlngs[i]); - projectedBounds.extend(ring[i]); - } - result.push(ring); - } else { - for (i = 0; i < len; i++) { - this._projectLatlngs(latlngs[i], result, projectedBounds); - } - } - }, - - // clip polyline by renderer bounds so that we have less to render for performance - _clipPoints: function () { - var bounds = this._renderer._bounds; - - this._parts = []; - if (!this._pxBounds || !this._pxBounds.intersects(bounds)) { - return; - } - - if (this.options.noClip) { - this._parts = this._rings; - return; - } - - var parts = this._parts, - i, j, k, len, len2, segment, points; - - for (i = 0, k = 0, len = this._rings.length; i < len; i++) { - points = this._rings[i]; - - for (j = 0, len2 = points.length; j < len2 - 1; j++) { - segment = clipSegment(points[j], points[j + 1], bounds, j, true); - - if (!segment) { continue; } - - parts[k] = parts[k] || []; - parts[k].push(segment[0]); - - // if segment goes out of screen, or it's the last one, it's the end of the line part - if ((segment[1] !== points[j + 1]) || (j === len2 - 2)) { - parts[k].push(segment[1]); - k++; - } - } - } - }, - - // simplify each clipped part of the polyline for performance - _simplifyPoints: function () { - var parts = this._parts, - tolerance = this.options.smoothFactor; - - for (var i = 0, len = parts.length; i < len; i++) { - parts[i] = simplify(parts[i], tolerance); - } - }, - - _update: function () { - if (!this._map) { return; } - - this._clipPoints(); - this._simplifyPoints(); - this._updatePath(); - }, - - _updatePath: function () { - this._renderer._updatePoly(this); - }, - - // Needed by the `Canvas` renderer for interactivity - _containsPoint: function (p, closed) { - var i, j, k, len, len2, part, - w = this._clickTolerance(); - - if (!this._pxBounds || !this._pxBounds.contains(p)) { return false; } - - // hit detection for polylines - for (i = 0, len = this._parts.length; i < len; i++) { - part = this._parts[i]; - - for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { - if (!closed && (j === 0)) { continue; } - - if (pointToSegmentDistance(p, part[k], part[j]) <= w) { - return true; - } - } - } - return false; - } -}); - -// @factory L.polyline(latlngs: LatLng[], options?: Polyline options) -// Instantiates a polyline object given an array of geographical points and -// optionally an options object. You can create a `Polyline` object with -// multiple separate lines (`MultiPolyline`) by passing an array of arrays -// of geographic points. -function polyline(latlngs, options) { - return new Polyline(latlngs, options); -} - -// Retrocompat. Allow plugins to support Leaflet versions before and after 1.1. -Polyline._flat = _flat; - -/* - * @class Polygon - * @aka L.Polygon - * @inherits Polyline - * - * A class for drawing polygon overlays on a map. Extends `Polyline`. - * - * Note that points you pass when creating a polygon shouldn't have an additional last point equal to the first one — it's better to filter out such points. - * - * - * @example - * - * ```js - * // create a red polygon from an array of LatLng points - * var latlngs = [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]]; - * - * var polygon = L.polygon(latlngs, {color: 'red'}).addTo(map); - * - * // zoom the map to the polygon - * map.fitBounds(polygon.getBounds()); - * ``` - * - * You can also pass an array of arrays of latlngs, with the first array representing the outer shape and the other arrays representing holes in the outer shape: - * - * ```js - * var latlngs = [ - * [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]], // outer ring - * [[37.29, -108.58],[40.71, -108.58],[40.71, -102.50],[37.29, -102.50]] // hole - * ]; - * ``` - * - * Additionally, you can pass a multi-dimensional array to represent a MultiPolygon shape. - * - * ```js - * var latlngs = [ - * [ // first polygon - * [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]], // outer ring - * [[37.29, -108.58],[40.71, -108.58],[40.71, -102.50],[37.29, -102.50]] // hole - * ], - * [ // second polygon - * [[41, -111.03],[45, -111.04],[45, -104.05],[41, -104.05]] - * ] - * ]; - * ``` - */ - -var Polygon = Polyline.extend({ - - options: { - fill: true - }, - - isEmpty: function () { - return !this._latlngs.length || !this._latlngs[0].length; - }, - - getCenter: function () { - // throws error when not yet added to map as this center calculation requires projected coordinates - if (!this._map) { - throw new Error('Must add layer to map before using getCenter()'); - } - - var i, j, p1, p2, f, area, x, y, center, - points = this._rings[0], - len = points.length; - - if (!len) { return null; } - - // polygon centroid algorithm; only uses the first ring if there are multiple - - area = x = y = 0; - - for (i = 0, j = len - 1; i < len; j = i++) { - p1 = points[i]; - p2 = points[j]; - - f = p1.y * p2.x - p2.y * p1.x; - x += (p1.x + p2.x) * f; - y += (p1.y + p2.y) * f; - area += f * 3; - } - - if (area === 0) { - // Polygon is so small that all points are on same pixel. - center = points[0]; - } else { - center = [x / area, y / area]; - } - return this._map.layerPointToLatLng(center); - }, - - _convertLatLngs: function (latlngs) { - var result = Polyline.prototype._convertLatLngs.call(this, latlngs), - len = result.length; - - // remove last point if it equals first one - if (len >= 2 && result[0] instanceof LatLng && result[0].equals(result[len - 1])) { - result.pop(); - } - return result; - }, - - _setLatLngs: function (latlngs) { - Polyline.prototype._setLatLngs.call(this, latlngs); - if (isFlat(this._latlngs)) { - this._latlngs = [this._latlngs]; - } - }, - - _defaultShape: function () { - return isFlat(this._latlngs[0]) ? this._latlngs[0] : this._latlngs[0][0]; - }, - - _clipPoints: function () { - // polygons need a different clipping algorithm so we redefine that - - var bounds = this._renderer._bounds, - w = this.options.weight, - p = new Point(w, w); - - // increase clip padding by stroke width to avoid stroke on clip edges - bounds = new Bounds(bounds.min.subtract(p), bounds.max.add(p)); - - this._parts = []; - if (!this._pxBounds || !this._pxBounds.intersects(bounds)) { - return; - } - - if (this.options.noClip) { - this._parts = this._rings; - return; - } - - for (var i = 0, len = this._rings.length, clipped; i < len; i++) { - clipped = clipPolygon(this._rings[i], bounds, true); - if (clipped.length) { - this._parts.push(clipped); - } - } - }, - - _updatePath: function () { - this._renderer._updatePoly(this, true); - }, - - // Needed by the `Canvas` renderer for interactivity - _containsPoint: function (p) { - var inside = false, - part, p1, p2, i, j, k, len, len2; - - if (!this._pxBounds || !this._pxBounds.contains(p)) { return false; } - - // ray casting algorithm for detecting if point is in polygon - for (i = 0, len = this._parts.length; i < len; i++) { - part = this._parts[i]; - - for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { - p1 = part[j]; - p2 = part[k]; - - if (((p1.y > p.y) !== (p2.y > p.y)) && (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) { - inside = !inside; - } - } - } - - // also check if it's on polygon stroke - return inside || Polyline.prototype._containsPoint.call(this, p, true); - } - -}); - - -// @factory L.polygon(latlngs: LatLng[], options?: Polyline options) -function polygon(latlngs, options) { - return new Polygon(latlngs, options); -} - +} + +/* + * @class Path + * @aka L.Path + * @inherits Interactive layer + * + * An abstract class that contains options and constants shared between vector + * overlays (Polygon, Polyline, Circle). Do not use it directly. Extends `Layer`. + */ + +var Path = Layer.extend({ + + // @section + // @aka Path options + options: { + // @option stroke: Boolean = true + // Whether to draw stroke along the path. Set it to `false` to disable borders on polygons or circles. + stroke: true, + + // @option color: String = '#3388ff' + // Stroke color + color: '#3388ff', + + // @option weight: Number = 3 + // Stroke width in pixels + weight: 3, + + // @option opacity: Number = 1.0 + // Stroke opacity + opacity: 1, + + // @option lineCap: String= 'round' + // A string that defines [shape to be used at the end](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linecap) of the stroke. + lineCap: 'round', + + // @option lineJoin: String = 'round' + // A string that defines [shape to be used at the corners](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linejoin) of the stroke. + lineJoin: 'round', + + // @option dashArray: String = null + // A string that defines the stroke [dash pattern](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dasharray). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility). + dashArray: null, + + // @option dashOffset: String = null + // A string that defines the [distance into the dash pattern to start the dash](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dashoffset). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility). + dashOffset: null, + + // @option fill: Boolean = depends + // Whether to fill the path with color. Set it to `false` to disable filling on polygons or circles. + fill: false, + + // @option fillColor: String = * + // Fill color. Defaults to the value of the [`color`](#path-color) option + fillColor: null, + + // @option fillOpacity: Number = 0.2 + // Fill opacity. + fillOpacity: 0.2, + + // @option fillRule: String = 'evenodd' + // A string that defines [how the inside of a shape](https://developer.mozilla.org/docs/Web/SVG/Attribute/fill-rule) is determined. + fillRule: 'evenodd', + + // className: '', + + // Option inherited from "Interactive layer" abstract class + interactive: true, + + // @option bubblingMouseEvents: Boolean = true + // When `true`, a mouse event on this path will trigger the same event on the map + // (unless [`L.DomEvent.stopPropagation`](#domevent-stoppropagation) is used). + bubblingMouseEvents: true + }, + + beforeAdd: function (map) { + // Renderer is set here because we need to call renderer.getEvents + // before this.getEvents. + this._renderer = map.getRenderer(this); + }, + + onAdd: function () { + this._renderer._initPath(this); + this._reset(); + this._renderer._addPath(this); + }, + + onRemove: function () { + this._renderer._removePath(this); + }, + + // @method redraw(): this + // Redraws the layer. Sometimes useful after you changed the coordinates that the path uses. + redraw: function () { + if (this._map) { + this._renderer._updatePath(this); + } + return this; + }, + + // @method setStyle(style: Path options): this + // Changes the appearance of a Path based on the options in the `Path options` object. + setStyle: function (style) { + setOptions(this, style); + if (this._renderer) { + this._renderer._updateStyle(this); + } + return this; + }, + + // @method bringToFront(): this + // Brings the layer to the top of all path layers. + bringToFront: function () { + if (this._renderer) { + this._renderer._bringToFront(this); + } + return this; + }, + + // @method bringToBack(): this + // Brings the layer to the bottom of all path layers. + bringToBack: function () { + if (this._renderer) { + this._renderer._bringToBack(this); + } + return this; + }, + + getElement: function () { + return this._path; + }, + + _reset: function () { + // defined in child classes + this._project(); + this._update(); + }, + + _clickTolerance: function () { + // used when doing hit detection for Canvas layers + return (this.options.stroke ? this.options.weight / 2 : 0) + this._renderer.options.tolerance; + } +}); + +/* + * @class CircleMarker + * @aka L.CircleMarker + * @inherits Path + * + * A circle of a fixed size with radius specified in pixels. Extends `Path`. + */ + +var CircleMarker = Path.extend({ + + // @section + // @aka CircleMarker options + options: { + fill: true, + + // @option radius: Number = 10 + // Radius of the circle marker, in pixels + radius: 10 + }, + + initialize: function (latlng, options) { + setOptions(this, options); + this._latlng = toLatLng(latlng); + this._radius = this.options.radius; + }, + + // @method setLatLng(latLng: LatLng): this + // Sets the position of a circle marker to a new location. + setLatLng: function (latlng) { + this._latlng = toLatLng(latlng); + this.redraw(); + return this.fire('move', {latlng: this._latlng}); + }, + + // @method getLatLng(): LatLng + // Returns the current geographical position of the circle marker + getLatLng: function () { + return this._latlng; + }, + + // @method setRadius(radius: Number): this + // Sets the radius of a circle marker. Units are in pixels. + setRadius: function (radius) { + this.options.radius = this._radius = radius; + return this.redraw(); + }, + + // @method getRadius(): Number + // Returns the current radius of the circle + getRadius: function () { + return this._radius; + }, + + setStyle : function (options) { + var radius = options && options.radius || this._radius; + Path.prototype.setStyle.call(this, options); + this.setRadius(radius); + return this; + }, + + _project: function () { + this._point = this._map.latLngToLayerPoint(this._latlng); + this._updateBounds(); + }, + + _updateBounds: function () { + var r = this._radius, + r2 = this._radiusY || r, + w = this._clickTolerance(), + p = [r + w, r2 + w]; + this._pxBounds = new Bounds(this._point.subtract(p), this._point.add(p)); + }, + + _update: function () { + if (this._map) { + this._updatePath(); + } + }, + + _updatePath: function () { + this._renderer._updateCircle(this); + }, + + _empty: function () { + return this._radius && !this._renderer._bounds.intersects(this._pxBounds); + }, + + // Needed by the `Canvas` renderer for interactivity + _containsPoint: function (p) { + return p.distanceTo(this._point) <= this._radius + this._clickTolerance(); + } +}); + + +// @factory L.circleMarker(latlng: LatLng, options?: CircleMarker options) +// Instantiates a circle marker object given a geographical point, and an optional options object. +function circleMarker(latlng, options) { + return new CircleMarker(latlng, options); +} + +/* + * @class Circle + * @aka L.Circle + * @inherits CircleMarker + * + * A class for drawing circle overlays on a map. Extends `CircleMarker`. + * + * It's an approximation and starts to diverge from a real circle closer to poles (due to projection distortion). + * + * @example + * + * ```js + * L.circle([50.5, 30.5], {radius: 200}).addTo(map); + * ``` + */ + +var Circle = CircleMarker.extend({ + + initialize: function (latlng, options, legacyOptions) { + if (typeof options === 'number') { + // Backwards compatibility with 0.7.x factory (latlng, radius, options?) + options = extend({}, legacyOptions, {radius: options}); + } + setOptions(this, options); + this._latlng = toLatLng(latlng); + + if (isNaN(this.options.radius)) { throw new Error('Circle radius cannot be NaN'); } + + // @section + // @aka Circle options + // @option radius: Number; Radius of the circle, in meters. + this._mRadius = this.options.radius; + }, + + // @method setRadius(radius: Number): this + // Sets the radius of a circle. Units are in meters. + setRadius: function (radius) { + this._mRadius = radius; + return this.redraw(); + }, + + // @method getRadius(): Number + // Returns the current radius of a circle. Units are in meters. + getRadius: function () { + return this._mRadius; + }, + + // @method getBounds(): LatLngBounds + // Returns the `LatLngBounds` of the path. + getBounds: function () { + var half = [this._radius, this._radiusY || this._radius]; + + return new LatLngBounds( + this._map.layerPointToLatLng(this._point.subtract(half)), + this._map.layerPointToLatLng(this._point.add(half))); + }, + + setStyle: Path.prototype.setStyle, + + _project: function () { + + var lng = this._latlng.lng, + lat = this._latlng.lat, + map = this._map, + crs = map.options.crs; + + if (crs.distance === Earth.distance) { + var d = Math.PI / 180, + latR = (this._mRadius / Earth.R) / d, + top = map.project([lat + latR, lng]), + bottom = map.project([lat - latR, lng]), + p = top.add(bottom).divideBy(2), + lat2 = map.unproject(p).lat, + lngR = Math.acos((Math.cos(latR * d) - Math.sin(lat * d) * Math.sin(lat2 * d)) / + (Math.cos(lat * d) * Math.cos(lat2 * d))) / d; + + if (isNaN(lngR) || lngR === 0) { + lngR = latR / Math.cos(Math.PI / 180 * lat); // Fallback for edge case, #2425 + } + + this._point = p.subtract(map.getPixelOrigin()); + this._radius = isNaN(lngR) ? 0 : p.x - map.project([lat2, lng - lngR]).x; + this._radiusY = p.y - top.y; + + } else { + var latlng2 = crs.unproject(crs.project(this._latlng).subtract([this._mRadius, 0])); + + this._point = map.latLngToLayerPoint(this._latlng); + this._radius = this._point.x - map.latLngToLayerPoint(latlng2).x; + } + + this._updateBounds(); + } +}); + +// @factory L.circle(latlng: LatLng, options?: Circle options) +// Instantiates a circle object given a geographical point, and an options object +// which contains the circle radius. +// @alternative +// @factory L.circle(latlng: LatLng, radius: Number, options?: Circle options) +// Obsolete way of instantiating a circle, for compatibility with 0.7.x code. +// Do not use in new applications or plugins. +function circle(latlng, options, legacyOptions) { + return new Circle(latlng, options, legacyOptions); +} + +/* + * @class Polyline + * @aka L.Polyline + * @inherits Path + * + * A class for drawing polyline overlays on a map. Extends `Path`. + * + * @example + * + * ```js + * // create a red polyline from an array of LatLng points + * var latlngs = [ + * [45.51, -122.68], + * [37.77, -122.43], + * [34.04, -118.2] + * ]; + * + * var polyline = L.polyline(latlngs, {color: 'red'}).addTo(map); + * + * // zoom the map to the polyline + * map.fitBounds(polyline.getBounds()); + * ``` + * + * You can also pass a multi-dimensional array to represent a `MultiPolyline` shape: + * + * ```js + * // create a red polyline from an array of arrays of LatLng points + * var latlngs = [ + * [[45.51, -122.68], + * [37.77, -122.43], + * [34.04, -118.2]], + * [[40.78, -73.91], + * [41.83, -87.62], + * [32.76, -96.72]] + * ]; + * ``` + */ + + +var Polyline = Path.extend({ + + // @section + // @aka Polyline options + options: { + // @option smoothFactor: Number = 1.0 + // How much to simplify the polyline on each zoom level. More means + // better performance and smoother look, and less means more accurate representation. + smoothFactor: 1.0, + + // @option noClip: Boolean = false + // Disable polyline clipping. + noClip: false + }, + + initialize: function (latlngs, options) { + setOptions(this, options); + this._setLatLngs(latlngs); + }, + + // @method getLatLngs(): LatLng[] + // Returns an array of the points in the path, or nested arrays of points in case of multi-polyline. + getLatLngs: function () { + return this._latlngs; + }, + + // @method setLatLngs(latlngs: LatLng[]): this + // Replaces all the points in the polyline with the given array of geographical points. + setLatLngs: function (latlngs) { + this._setLatLngs(latlngs); + return this.redraw(); + }, + + // @method isEmpty(): Boolean + // Returns `true` if the Polyline has no LatLngs. + isEmpty: function () { + return !this._latlngs.length; + }, + + // @method closestLayerPoint(p: Point): Point + // Returns the point closest to `p` on the Polyline. + closestLayerPoint: function (p) { + var minDistance = Infinity, + minPoint = null, + closest = _sqClosestPointOnSegment, + p1, p2; + + for (var j = 0, jLen = this._parts.length; j < jLen; j++) { + var points = this._parts[j]; + + for (var i = 1, len = points.length; i < len; i++) { + p1 = points[i - 1]; + p2 = points[i]; + + var sqDist = closest(p, p1, p2, true); + + if (sqDist < minDistance) { + minDistance = sqDist; + minPoint = closest(p, p1, p2); + } + } + } + if (minPoint) { + minPoint.distance = Math.sqrt(minDistance); + } + return minPoint; + }, + + // @method getCenter(): LatLng + // Returns the center ([centroid](http://en.wikipedia.org/wiki/Centroid)) of the polyline. + getCenter: function () { + // throws error when not yet added to map as this center calculation requires projected coordinates + if (!this._map) { + throw new Error('Must add layer to map before using getCenter()'); + } + + var i, halfDist, segDist, dist, p1, p2, ratio, + points = this._rings[0], + len = points.length; + + if (!len) { return null; } + + // polyline centroid algorithm; only uses the first ring if there are multiple + + for (i = 0, halfDist = 0; i < len - 1; i++) { + halfDist += points[i].distanceTo(points[i + 1]) / 2; + } + + // The line is so small in the current view that all points are on the same pixel. + if (halfDist === 0) { + return this._map.layerPointToLatLng(points[0]); + } + + for (i = 0, dist = 0; i < len - 1; i++) { + p1 = points[i]; + p2 = points[i + 1]; + segDist = p1.distanceTo(p2); + dist += segDist; + + if (dist > halfDist) { + ratio = (dist - halfDist) / segDist; + return this._map.layerPointToLatLng([ + p2.x - ratio * (p2.x - p1.x), + p2.y - ratio * (p2.y - p1.y) + ]); + } + } + }, + + // @method getBounds(): LatLngBounds + // Returns the `LatLngBounds` of the path. + getBounds: function () { + return this._bounds; + }, + + // @method addLatLng(latlng: LatLng, latlngs? LatLng[]): this + // Adds a given point to the polyline. By default, adds to the first ring of + // the polyline in case of a multi-polyline, but can be overridden by passing + // a specific ring as a LatLng array (that you can earlier access with [`getLatLngs`](#polyline-getlatlngs)). + addLatLng: function (latlng, latlngs) { + latlngs = latlngs || this._defaultShape(); + latlng = toLatLng(latlng); + latlngs.push(latlng); + this._bounds.extend(latlng); + return this.redraw(); + }, + + _setLatLngs: function (latlngs) { + this._bounds = new LatLngBounds(); + this._latlngs = this._convertLatLngs(latlngs); + }, + + _defaultShape: function () { + return isFlat(this._latlngs) ? this._latlngs : this._latlngs[0]; + }, + + // recursively convert latlngs input into actual LatLng instances; calculate bounds along the way + _convertLatLngs: function (latlngs) { + var result = [], + flat = isFlat(latlngs); + + for (var i = 0, len = latlngs.length; i < len; i++) { + if (flat) { + result[i] = toLatLng(latlngs[i]); + this._bounds.extend(result[i]); + } else { + result[i] = this._convertLatLngs(latlngs[i]); + } + } + + return result; + }, + + _project: function () { + var pxBounds = new Bounds(); + this._rings = []; + this._projectLatlngs(this._latlngs, this._rings, pxBounds); + + var w = this._clickTolerance(), + p = new Point(w, w); + + if (this._bounds.isValid() && pxBounds.isValid()) { + pxBounds.min._subtract(p); + pxBounds.max._add(p); + this._pxBounds = pxBounds; + } + }, + + // recursively turns latlngs into a set of rings with projected coordinates + _projectLatlngs: function (latlngs, result, projectedBounds) { + var flat = latlngs[0] instanceof LatLng, + len = latlngs.length, + i, ring; + + if (flat) { + ring = []; + for (i = 0; i < len; i++) { + ring[i] = this._map.latLngToLayerPoint(latlngs[i]); + projectedBounds.extend(ring[i]); + } + result.push(ring); + } else { + for (i = 0; i < len; i++) { + this._projectLatlngs(latlngs[i], result, projectedBounds); + } + } + }, + + // clip polyline by renderer bounds so that we have less to render for performance + _clipPoints: function () { + var bounds = this._renderer._bounds; + + this._parts = []; + if (!this._pxBounds || !this._pxBounds.intersects(bounds)) { + return; + } + + if (this.options.noClip) { + this._parts = this._rings; + return; + } + + var parts = this._parts, + i, j, k, len, len2, segment, points; + + for (i = 0, k = 0, len = this._rings.length; i < len; i++) { + points = this._rings[i]; + + for (j = 0, len2 = points.length; j < len2 - 1; j++) { + segment = clipSegment(points[j], points[j + 1], bounds, j, true); + + if (!segment) { continue; } + + parts[k] = parts[k] || []; + parts[k].push(segment[0]); + + // if segment goes out of screen, or it's the last one, it's the end of the line part + if ((segment[1] !== points[j + 1]) || (j === len2 - 2)) { + parts[k].push(segment[1]); + k++; + } + } + } + }, + + // simplify each clipped part of the polyline for performance + _simplifyPoints: function () { + var parts = this._parts, + tolerance = this.options.smoothFactor; + + for (var i = 0, len = parts.length; i < len; i++) { + parts[i] = simplify(parts[i], tolerance); + } + }, + + _update: function () { + if (!this._map) { return; } + + this._clipPoints(); + this._simplifyPoints(); + this._updatePath(); + }, + + _updatePath: function () { + this._renderer._updatePoly(this); + }, + + // Needed by the `Canvas` renderer for interactivity + _containsPoint: function (p, closed) { + var i, j, k, len, len2, part, + w = this._clickTolerance(); + + if (!this._pxBounds || !this._pxBounds.contains(p)) { return false; } + + // hit detection for polylines + for (i = 0, len = this._parts.length; i < len; i++) { + part = this._parts[i]; + + for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { + if (!closed && (j === 0)) { continue; } + + if (pointToSegmentDistance(p, part[k], part[j]) <= w) { + return true; + } + } + } + return false; + } +}); + +// @factory L.polyline(latlngs: LatLng[], options?: Polyline options) +// Instantiates a polyline object given an array of geographical points and +// optionally an options object. You can create a `Polyline` object with +// multiple separate lines (`MultiPolyline`) by passing an array of arrays +// of geographic points. +function polyline(latlngs, options) { + return new Polyline(latlngs, options); +} + +// Retrocompat. Allow plugins to support Leaflet versions before and after 1.1. +Polyline._flat = _flat; + +/* + * @class Polygon + * @aka L.Polygon + * @inherits Polyline + * + * A class for drawing polygon overlays on a map. Extends `Polyline`. + * + * Note that points you pass when creating a polygon shouldn't have an additional last point equal to the first one — it's better to filter out such points. + * + * + * @example + * + * ```js + * // create a red polygon from an array of LatLng points + * var latlngs = [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]]; + * + * var polygon = L.polygon(latlngs, {color: 'red'}).addTo(map); + * + * // zoom the map to the polygon + * map.fitBounds(polygon.getBounds()); + * ``` + * + * You can also pass an array of arrays of latlngs, with the first array representing the outer shape and the other arrays representing holes in the outer shape: + * + * ```js + * var latlngs = [ + * [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]], // outer ring + * [[37.29, -108.58],[40.71, -108.58],[40.71, -102.50],[37.29, -102.50]] // hole + * ]; + * ``` + * + * Additionally, you can pass a multi-dimensional array to represent a MultiPolygon shape. + * + * ```js + * var latlngs = [ + * [ // first polygon + * [[37, -109.05],[41, -109.03],[41, -102.05],[37, -102.04]], // outer ring + * [[37.29, -108.58],[40.71, -108.58],[40.71, -102.50],[37.29, -102.50]] // hole + * ], + * [ // second polygon + * [[41, -111.03],[45, -111.04],[45, -104.05],[41, -104.05]] + * ] + * ]; + * ``` + */ + +var Polygon = Polyline.extend({ + + options: { + fill: true + }, + + isEmpty: function () { + return !this._latlngs.length || !this._latlngs[0].length; + }, + + getCenter: function () { + // throws error when not yet added to map as this center calculation requires projected coordinates + if (!this._map) { + throw new Error('Must add layer to map before using getCenter()'); + } + + var i, j, p1, p2, f, area, x, y, center, + points = this._rings[0], + len = points.length; + + if (!len) { return null; } + + // polygon centroid algorithm; only uses the first ring if there are multiple + + area = x = y = 0; + + for (i = 0, j = len - 1; i < len; j = i++) { + p1 = points[i]; + p2 = points[j]; + + f = p1.y * p2.x - p2.y * p1.x; + x += (p1.x + p2.x) * f; + y += (p1.y + p2.y) * f; + area += f * 3; + } + + if (area === 0) { + // Polygon is so small that all points are on same pixel. + center = points[0]; + } else { + center = [x / area, y / area]; + } + return this._map.layerPointToLatLng(center); + }, + + _convertLatLngs: function (latlngs) { + var result = Polyline.prototype._convertLatLngs.call(this, latlngs), + len = result.length; + + // remove last point if it equals first one + if (len >= 2 && result[0] instanceof LatLng && result[0].equals(result[len - 1])) { + result.pop(); + } + return result; + }, + + _setLatLngs: function (latlngs) { + Polyline.prototype._setLatLngs.call(this, latlngs); + if (isFlat(this._latlngs)) { + this._latlngs = [this._latlngs]; + } + }, + + _defaultShape: function () { + return isFlat(this._latlngs[0]) ? this._latlngs[0] : this._latlngs[0][0]; + }, + + _clipPoints: function () { + // polygons need a different clipping algorithm so we redefine that + + var bounds = this._renderer._bounds, + w = this.options.weight, + p = new Point(w, w); + + // increase clip padding by stroke width to avoid stroke on clip edges + bounds = new Bounds(bounds.min.subtract(p), bounds.max.add(p)); + + this._parts = []; + if (!this._pxBounds || !this._pxBounds.intersects(bounds)) { + return; + } + + if (this.options.noClip) { + this._parts = this._rings; + return; + } + + for (var i = 0, len = this._rings.length, clipped; i < len; i++) { + clipped = clipPolygon(this._rings[i], bounds, true); + if (clipped.length) { + this._parts.push(clipped); + } + } + }, + + _updatePath: function () { + this._renderer._updatePoly(this, true); + }, + + // Needed by the `Canvas` renderer for interactivity + _containsPoint: function (p) { + var inside = false, + part, p1, p2, i, j, k, len, len2; + + if (!this._pxBounds || !this._pxBounds.contains(p)) { return false; } + + // ray casting algorithm for detecting if point is in polygon + for (i = 0, len = this._parts.length; i < len; i++) { + part = this._parts[i]; + + for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { + p1 = part[j]; + p2 = part[k]; + + if (((p1.y > p.y) !== (p2.y > p.y)) && (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) { + inside = !inside; + } + } + } + + // also check if it's on polygon stroke + return inside || Polyline.prototype._containsPoint.call(this, p, true); + } + +}); + + +// @factory L.polygon(latlngs: LatLng[], options?: Polyline options) +function polygon(latlngs, options) { + return new Polygon(latlngs, options); +} + /* * @class GeoJSON * @aka L.GeoJSON @@ -8923,8 +8923,8 @@ function geoJSON(geojson, options) { } // Backward compatibility. -var geoJson = geoJSON; - +var geoJson = geoJSON; + /* * @class ImageOverlay * @aka L.ImageOverlay @@ -9182,8 +9182,8 @@ var ImageOverlay = Layer.extend({ // geographical bounds it is tied to. var imageOverlay = function (url, bounds, options) { return new ImageOverlay(url, bounds, options); -}; - +}; + /* * @class VideoOverlay * @aka L.VideoOverlay @@ -9265,8 +9265,8 @@ var VideoOverlay = ImageOverlay.extend({ function videoOverlay(video, bounds, options) { return new VideoOverlay(video, bounds, options); -} - +} + /* * @class DivOverlay * @inherits Layer @@ -9463,8 +9463,8 @@ var DivOverlay = Layer.extend({ return [0, 0]; } -}); - +}); + /* * @class Popup * @inherits DivOverlay @@ -9986,1399 +9986,1399 @@ Layer.include({ this._openPopup(e); } } -}); - -/* - * @class Tooltip - * @inherits DivOverlay - * @aka L.Tooltip - * Used to display small texts on top of map layers. - * - * @example - * - * ```js - * marker.bindTooltip("my tooltip text").openTooltip(); - * ``` - * Note about tooltip offset. Leaflet takes two options in consideration - * for computing tooltip offsetting: - * - the `offset` Tooltip option: it defaults to [0, 0], and it's specific to one tooltip. - * Add a positive x offset to move the tooltip to the right, and a positive y offset to - * move it to the bottom. Negatives will move to the left and top. - * - the `tooltipAnchor` Icon option: this will only be considered for Marker. You - * should adapt this value if you use a custom icon. - */ - - -// @namespace Tooltip -var Tooltip = DivOverlay.extend({ - - // @section - // @aka Tooltip options - options: { - // @option pane: String = 'tooltipPane' - // `Map pane` where the tooltip will be added. - pane: 'tooltipPane', - - // @option offset: Point = Point(0, 0) - // Optional offset of the tooltip position. - offset: [0, 0], - - // @option direction: String = 'auto' - // Direction where to open the tooltip. Possible values are: `right`, `left`, - // `top`, `bottom`, `center`, `auto`. - // `auto` will dynamically switch between `right` and `left` according to the tooltip - // position on the map. - direction: 'auto', - - // @option permanent: Boolean = false - // Whether to open the tooltip permanently or only on mouseover. - permanent: false, - - // @option sticky: Boolean = false - // If true, the tooltip will follow the mouse instead of being fixed at the feature center. - sticky: false, - - // @option interactive: Boolean = false - // If true, the tooltip will listen to the feature events. - interactive: false, - - // @option opacity: Number = 0.9 - // Tooltip container opacity. - opacity: 0.9 - }, - - onAdd: function (map) { - DivOverlay.prototype.onAdd.call(this, map); - this.setOpacity(this.options.opacity); - - // @namespace Map - // @section Tooltip events - // @event tooltipopen: TooltipEvent - // Fired when a tooltip is opened in the map. - map.fire('tooltipopen', {tooltip: this}); - - if (this._source) { - // @namespace Layer - // @section Tooltip events - // @event tooltipopen: TooltipEvent - // Fired when a tooltip bound to this layer is opened. - this._source.fire('tooltipopen', {tooltip: this}, true); - } - }, - - onRemove: function (map) { - DivOverlay.prototype.onRemove.call(this, map); - - // @namespace Map - // @section Tooltip events - // @event tooltipclose: TooltipEvent - // Fired when a tooltip in the map is closed. - map.fire('tooltipclose', {tooltip: this}); - - if (this._source) { - // @namespace Layer - // @section Tooltip events - // @event tooltipclose: TooltipEvent - // Fired when a tooltip bound to this layer is closed. - this._source.fire('tooltipclose', {tooltip: this}, true); - } - }, - - getEvents: function () { - var events = DivOverlay.prototype.getEvents.call(this); - - if (touch && !this.options.permanent) { - events.preclick = this._close; - } - - return events; - }, - - _close: function () { - if (this._map) { - this._map.closeTooltip(this); - } - }, - - _initLayout: function () { - var prefix = 'leaflet-tooltip', - className = prefix + ' ' + (this.options.className || '') + ' leaflet-zoom-' + (this._zoomAnimated ? 'animated' : 'hide'); - - this._contentNode = this._container = create$1('div', className); - }, - - _updateLayout: function () {}, - - _adjustPan: function () {}, - - _setPosition: function (pos) { - var map = this._map, - container = this._container, - centerPoint = map.latLngToContainerPoint(map.getCenter()), - tooltipPoint = map.layerPointToContainerPoint(pos), - direction = this.options.direction, - tooltipWidth = container.offsetWidth, - tooltipHeight = container.offsetHeight, - offset = toPoint(this.options.offset), - anchor = this._getAnchor(); - - if (direction === 'top') { - pos = pos.add(toPoint(-tooltipWidth / 2 + offset.x, -tooltipHeight + offset.y + anchor.y, true)); - } else if (direction === 'bottom') { - pos = pos.subtract(toPoint(tooltipWidth / 2 - offset.x, -offset.y, true)); - } else if (direction === 'center') { - pos = pos.subtract(toPoint(tooltipWidth / 2 + offset.x, tooltipHeight / 2 - anchor.y + offset.y, true)); - } else if (direction === 'right' || direction === 'auto' && tooltipPoint.x < centerPoint.x) { - direction = 'right'; - pos = pos.add(toPoint(offset.x + anchor.x, anchor.y - tooltipHeight / 2 + offset.y, true)); - } else { - direction = 'left'; - pos = pos.subtract(toPoint(tooltipWidth + anchor.x - offset.x, tooltipHeight / 2 - anchor.y - offset.y, true)); - } - - removeClass(container, 'leaflet-tooltip-right'); - removeClass(container, 'leaflet-tooltip-left'); - removeClass(container, 'leaflet-tooltip-top'); - removeClass(container, 'leaflet-tooltip-bottom'); - addClass(container, 'leaflet-tooltip-' + direction); - setPosition(container, pos); - }, - - _updatePosition: function () { - var pos = this._map.latLngToLayerPoint(this._latlng); - this._setPosition(pos); - }, - - setOpacity: function (opacity) { - this.options.opacity = opacity; - - if (this._container) { - setOpacity(this._container, opacity); - } - }, - - _animateZoom: function (e) { - var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center); - this._setPosition(pos); - }, - - _getAnchor: function () { - // Where should we anchor the tooltip on the source layer? - return toPoint(this._source && this._source._getTooltipAnchor && !this.options.sticky ? this._source._getTooltipAnchor() : [0, 0]); - } - -}); - -// @namespace Tooltip -// @factory L.tooltip(options?: Tooltip options, source?: Layer) -// Instantiates a Tooltip object given an optional `options` object that describes its appearance and location and an optional `source` object that is used to tag the tooltip with a reference to the Layer to which it refers. -var tooltip = function (options, source) { - return new Tooltip(options, source); -}; - -// @namespace Map -// @section Methods for Layers and Controls -Map.include({ - - // @method openTooltip(tooltip: Tooltip): this - // Opens the specified tooltip. - // @alternative - // @method openTooltip(content: String|HTMLElement, latlng: LatLng, options?: Tooltip options): this - // Creates a tooltip with the specified content and options and open it. - openTooltip: function (tooltip, latlng, options) { - if (!(tooltip instanceof Tooltip)) { - tooltip = new Tooltip(options).setContent(tooltip); - } - - if (latlng) { - tooltip.setLatLng(latlng); - } - - if (this.hasLayer(tooltip)) { - return this; - } - - return this.addLayer(tooltip); - }, - - // @method closeTooltip(tooltip?: Tooltip): this - // Closes the tooltip given as parameter. - closeTooltip: function (tooltip) { - if (tooltip) { - this.removeLayer(tooltip); - } - return this; - } - -}); - -/* - * @namespace Layer - * @section Tooltip methods example - * - * All layers share a set of methods convenient for binding tooltips to it. - * - * ```js - * var layer = L.Polygon(latlngs).bindTooltip('Hi There!').addTo(map); - * layer.openTooltip(); - * layer.closeTooltip(); - * ``` - */ - -// @section Tooltip methods -Layer.include({ - - // @method bindTooltip(content: String|HTMLElement|Function|Tooltip, options?: Tooltip options): this - // Binds a tooltip to the layer with the passed `content` and sets up the - // necessary event listeners. If a `Function` is passed it will receive - // the layer as the first argument and should return a `String` or `HTMLElement`. - bindTooltip: function (content, options) { - - if (content instanceof Tooltip) { - setOptions(content, options); - this._tooltip = content; - content._source = this; - } else { - if (!this._tooltip || options) { - this._tooltip = new Tooltip(options, this); - } - this._tooltip.setContent(content); - - } - - this._initTooltipInteractions(); - - if (this._tooltip.options.permanent && this._map && this._map.hasLayer(this)) { - this.openTooltip(); - } - - return this; - }, - - // @method unbindTooltip(): this - // Removes the tooltip previously bound with `bindTooltip`. - unbindTooltip: function () { - if (this._tooltip) { - this._initTooltipInteractions(true); - this.closeTooltip(); - this._tooltip = null; - } - return this; - }, - - _initTooltipInteractions: function (remove$$1) { - if (!remove$$1 && this._tooltipHandlersAdded) { return; } - var onOff = remove$$1 ? 'off' : 'on', - events = { - remove: this.closeTooltip, - move: this._moveTooltip - }; - if (!this._tooltip.options.permanent) { - events.mouseover = this._openTooltip; - events.mouseout = this.closeTooltip; - if (this._tooltip.options.sticky) { - events.mousemove = this._moveTooltip; - } - if (touch) { - events.click = this._openTooltip; - } - } else { - events.add = this._openTooltip; - } - this[onOff](events); - this._tooltipHandlersAdded = !remove$$1; - }, - - // @method openTooltip(latlng?: LatLng): this - // Opens the bound tooltip at the specified `latlng` or at the default tooltip anchor if no `latlng` is passed. - openTooltip: function (layer, latlng) { - if (!(layer instanceof Layer)) { - latlng = layer; - layer = this; - } - - if (layer instanceof FeatureGroup) { - for (var id in this._layers) { - layer = this._layers[id]; - break; - } - } - - if (!latlng) { - latlng = layer.getCenter ? layer.getCenter() : layer.getLatLng(); - } - - if (this._tooltip && this._map) { - - // set tooltip source to this layer - this._tooltip._source = layer; - - // update the tooltip (content, layout, ect...) - this._tooltip.update(); - - // open the tooltip on the map - this._map.openTooltip(this._tooltip, latlng); - - // Tooltip container may not be defined if not permanent and never - // opened. - if (this._tooltip.options.interactive && this._tooltip._container) { - addClass(this._tooltip._container, 'leaflet-clickable'); - this.addInteractiveTarget(this._tooltip._container); - } - } - - return this; - }, - - // @method closeTooltip(): this - // Closes the tooltip bound to this layer if it is open. - closeTooltip: function () { - if (this._tooltip) { - this._tooltip._close(); - if (this._tooltip.options.interactive && this._tooltip._container) { - removeClass(this._tooltip._container, 'leaflet-clickable'); - this.removeInteractiveTarget(this._tooltip._container); - } - } - return this; - }, - - // @method toggleTooltip(): this - // Opens or closes the tooltip bound to this layer depending on its current state. - toggleTooltip: function (target) { - if (this._tooltip) { - if (this._tooltip._map) { - this.closeTooltip(); - } else { - this.openTooltip(target); - } - } - return this; - }, - - // @method isTooltipOpen(): boolean - // Returns `true` if the tooltip bound to this layer is currently open. - isTooltipOpen: function () { - return this._tooltip.isOpen(); - }, - - // @method setTooltipContent(content: String|HTMLElement|Tooltip): this - // Sets the content of the tooltip bound to this layer. - setTooltipContent: function (content) { - if (this._tooltip) { - this._tooltip.setContent(content); - } - return this; - }, - - // @method getTooltip(): Tooltip - // Returns the tooltip bound to this layer. - getTooltip: function () { - return this._tooltip; - }, - - _openTooltip: function (e) { - var layer = e.layer || e.target; - - if (!this._tooltip || !this._map) { - return; - } - this.openTooltip(layer, this._tooltip.options.sticky ? e.latlng : undefined); - }, - - _moveTooltip: function (e) { - var latlng = e.latlng, containerPoint, layerPoint; - if (this._tooltip.options.sticky && e.originalEvent) { - containerPoint = this._map.mouseEventToContainerPoint(e.originalEvent); - layerPoint = this._map.containerPointToLayerPoint(containerPoint); - latlng = this._map.layerPointToLatLng(layerPoint); - } - this._tooltip.setLatLng(latlng); - } -}); - -/* - * @class DivIcon - * @aka L.DivIcon - * @inherits Icon - * - * Represents a lightweight icon for markers that uses a simple `
` - * element instead of an image. Inherits from `Icon` but ignores the `iconUrl` and shadow options. - * - * @example - * ```js - * var myIcon = L.divIcon({className: 'my-div-icon'}); - * // you can set .my-div-icon styles in CSS - * - * L.marker([50.505, 30.57], {icon: myIcon}).addTo(map); - * ``` - * - * By default, it has a 'leaflet-div-icon' CSS class and is styled as a little white square with a shadow. - */ - -var DivIcon = Icon.extend({ - options: { - // @section - // @aka DivIcon options - iconSize: [12, 12], // also can be set through CSS - - // iconAnchor: (Point), - // popupAnchor: (Point), - - // @option html: String = '' - // Custom HTML code to put inside the div element, empty by default. - html: false, - - // @option bgPos: Point = [0, 0] - // Optional relative position of the background, in pixels - bgPos: null, - - className: 'leaflet-div-icon' - }, - - createIcon: function (oldIcon) { - var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'), - options = this.options; - - div.innerHTML = options.html !== false ? options.html : ''; - - if (options.bgPos) { - var bgPos = toPoint(options.bgPos); - div.style.backgroundPosition = (-bgPos.x) + 'px ' + (-bgPos.y) + 'px'; - } - this._setIconStyles(div, 'icon'); - - return div; - }, - - createShadow: function () { - return null; - } -}); - -// @factory L.divIcon(options: DivIcon options) -// Creates a `DivIcon` instance with the given options. -function divIcon(options) { - return new DivIcon(options); -} - -Icon.Default = IconDefault; - -/* - * @class GridLayer - * @inherits Layer - * @aka L.GridLayer - * - * Generic class for handling a tiled grid of HTML elements. This is the base class for all tile layers and replaces `TileLayer.Canvas`. - * GridLayer can be extended to create a tiled grid of HTML elements like ``, `` or `
`. GridLayer will handle creating and animating these DOM elements for you. - * - * - * @section Synchronous usage - * @example - * - * To create a custom layer, extend GridLayer and implement the `createTile()` method, which will be passed a `Point` object with the `x`, `y`, and `z` (zoom level) coordinates to draw your tile. - * - * ```js - * var CanvasLayer = L.GridLayer.extend({ - * createTile: function(coords){ - * // create a element for drawing - * var tile = L.DomUtil.create('canvas', 'leaflet-tile'); - * - * // setup tile width and height according to the options - * var size = this.getTileSize(); - * tile.width = size.x; - * tile.height = size.y; - * - * // get a canvas context and draw something on it using coords.x, coords.y and coords.z - * var ctx = tile.getContext('2d'); - * - * // return the tile so it can be rendered on screen - * return tile; - * } - * }); - * ``` - * - * @section Asynchronous usage - * @example - * - * Tile creation can also be asynchronous, this is useful when using a third-party drawing library. Once the tile is finished drawing it can be passed to the `done()` callback. - * - * ```js - * var CanvasLayer = L.GridLayer.extend({ - * createTile: function(coords, done){ - * var error; - * - * // create a element for drawing - * var tile = L.DomUtil.create('canvas', 'leaflet-tile'); - * - * // setup tile width and height according to the options - * var size = this.getTileSize(); - * tile.width = size.x; - * tile.height = size.y; - * - * // draw something asynchronously and pass the tile to the done() callback - * setTimeout(function() { - * done(error, tile); - * }, 1000); - * - * return tile; - * } - * }); - * ``` - * - * @section - */ - - -var GridLayer = Layer.extend({ - - // @section - // @aka GridLayer options - options: { - // @option tileSize: Number|Point = 256 - // Width and height of tiles in the grid. Use a number if width and height are equal, or `L.point(width, height)` otherwise. - tileSize: 256, - - // @option opacity: Number = 1.0 - // Opacity of the tiles. Can be used in the `createTile()` function. - opacity: 1, - - // @option updateWhenIdle: Boolean = (depends) - // Load new tiles only when panning ends. - // `true` by default on mobile browsers, in order to avoid too many requests and keep smooth navigation. - // `false` otherwise in order to display new tiles _during_ panning, since it is easy to pan outside the - // [`keepBuffer`](#gridlayer-keepbuffer) option in desktop browsers. - updateWhenIdle: mobile, - - // @option updateWhenZooming: Boolean = true - // By default, a smooth zoom animation (during a [touch zoom](#map-touchzoom) or a [`flyTo()`](#map-flyto)) will update grid layers every integer zoom level. Setting this option to `false` will update the grid layer only when the smooth animation ends. - updateWhenZooming: true, - - // @option updateInterval: Number = 200 - // Tiles will not update more than once every `updateInterval` milliseconds when panning. - updateInterval: 200, - - // @option zIndex: Number = 1 - // The explicit zIndex of the tile layer. - zIndex: 1, - - // @option bounds: LatLngBounds = undefined - // If set, tiles will only be loaded inside the set `LatLngBounds`. - bounds: null, - - // @option minZoom: Number = 0 - // The minimum zoom level down to which this layer will be displayed (inclusive). - minZoom: 0, - - // @option maxZoom: Number = undefined - // The maximum zoom level up to which this layer will be displayed (inclusive). - maxZoom: undefined, - - // @option maxNativeZoom: Number = undefined - // Maximum zoom number the tile source has available. If it is specified, - // the tiles on all zoom levels higher than `maxNativeZoom` will be loaded - // from `maxNativeZoom` level and auto-scaled. - maxNativeZoom: undefined, - - // @option minNativeZoom: Number = undefined - // Minimum zoom number the tile source has available. If it is specified, - // the tiles on all zoom levels lower than `minNativeZoom` will be loaded - // from `minNativeZoom` level and auto-scaled. - minNativeZoom: undefined, - - // @option noWrap: Boolean = false - // Whether the layer is wrapped around the antimeridian. If `true`, the - // GridLayer will only be displayed once at low zoom levels. Has no - // effect when the [map CRS](#map-crs) doesn't wrap around. Can be used - // in combination with [`bounds`](#gridlayer-bounds) to prevent requesting - // tiles outside the CRS limits. - noWrap: false, - - // @option pane: String = 'tilePane' - // `Map pane` where the grid layer will be added. - pane: 'tilePane', - - // @option className: String = '' - // A custom class name to assign to the tile layer. Empty by default. - className: '', - - // @option keepBuffer: Number = 2 - // When panning the map, keep this many rows and columns of tiles before unloading them. - keepBuffer: 2 - }, - - initialize: function (options) { - setOptions(this, options); - }, - - onAdd: function () { - this._initContainer(); - - this._levels = {}; - this._tiles = {}; - - this._resetView(); - this._update(); - }, - - beforeAdd: function (map) { - map._addZoomLimit(this); - }, - - onRemove: function (map) { - this._removeAllTiles(); - remove(this._container); - map._removeZoomLimit(this); - this._container = null; - this._tileZoom = undefined; - }, - - // @method bringToFront: this - // Brings the tile layer to the top of all tile layers. - bringToFront: function () { - if (this._map) { - toFront(this._container); - this._setAutoZIndex(Math.max); - } - return this; - }, - - // @method bringToBack: this - // Brings the tile layer to the bottom of all tile layers. - bringToBack: function () { - if (this._map) { - toBack(this._container); - this._setAutoZIndex(Math.min); - } - return this; - }, - - // @method getContainer: HTMLElement - // Returns the HTML element that contains the tiles for this layer. - getContainer: function () { - return this._container; - }, - - // @method setOpacity(opacity: Number): this - // Changes the [opacity](#gridlayer-opacity) of the grid layer. - setOpacity: function (opacity) { - this.options.opacity = opacity; - this._updateOpacity(); - return this; - }, - - // @method setZIndex(zIndex: Number): this - // Changes the [zIndex](#gridlayer-zindex) of the grid layer. - setZIndex: function (zIndex) { - this.options.zIndex = zIndex; - this._updateZIndex(); - - return this; - }, - - // @method isLoading: Boolean - // Returns `true` if any tile in the grid layer has not finished loading. - isLoading: function () { - return this._loading; - }, - - // @method redraw: this - // Causes the layer to clear all the tiles and request them again. - redraw: function () { - if (this._map) { - this._removeAllTiles(); - this._update(); - } - return this; - }, - - getEvents: function () { - var events = { - viewprereset: this._invalidateAll, - viewreset: this._resetView, - zoom: this._resetView, - moveend: this._onMoveEnd - }; - - if (!this.options.updateWhenIdle) { - // update tiles on move, but not more often than once per given interval - if (!this._onMove) { - this._onMove = throttle(this._onMoveEnd, this.options.updateInterval, this); - } - - events.move = this._onMove; - } - - if (this._zoomAnimated) { - events.zoomanim = this._animateZoom; - } - - return events; - }, - - // @section Extension methods - // Layers extending `GridLayer` shall reimplement the following method. - // @method createTile(coords: Object, done?: Function): HTMLElement - // Called only internally, must be overridden by classes extending `GridLayer`. - // Returns the `HTMLElement` corresponding to the given `coords`. If the `done` callback - // is specified, it must be called when the tile has finished loading and drawing. - createTile: function () { - return document.createElement('div'); - }, - - // @section - // @method getTileSize: Point - // Normalizes the [tileSize option](#gridlayer-tilesize) into a point. Used by the `createTile()` method. - getTileSize: function () { - var s = this.options.tileSize; - return s instanceof Point ? s : new Point(s, s); - }, - - _updateZIndex: function () { - if (this._container && this.options.zIndex !== undefined && this.options.zIndex !== null) { - this._container.style.zIndex = this.options.zIndex; - } - }, - - _setAutoZIndex: function (compare) { - // go through all other layers of the same pane, set zIndex to max + 1 (front) or min - 1 (back) - - var layers = this.getPane().children, - edgeZIndex = -compare(-Infinity, Infinity); // -Infinity for max, Infinity for min - - for (var i = 0, len = layers.length, zIndex; i < len; i++) { - - zIndex = layers[i].style.zIndex; - - if (layers[i] !== this._container && zIndex) { - edgeZIndex = compare(edgeZIndex, +zIndex); - } - } - - if (isFinite(edgeZIndex)) { - this.options.zIndex = edgeZIndex + compare(-1, 1); - this._updateZIndex(); - } - }, - - _updateOpacity: function () { - if (!this._map) { return; } - - // IE doesn't inherit filter opacity properly, so we're forced to set it on tiles - if (ielt9) { return; } - - setOpacity(this._container, this.options.opacity); - - var now = +new Date(), - nextFrame = false, - willPrune = false; - - for (var key in this._tiles) { - var tile = this._tiles[key]; - if (!tile.current || !tile.loaded) { continue; } - - var fade = Math.min(1, (now - tile.loaded) / 200); - - setOpacity(tile.el, fade); - if (fade < 1) { - nextFrame = true; - } else { - if (tile.active) { - willPrune = true; - } else { - this._onOpaqueTile(tile); - } - tile.active = true; - } - } - - if (willPrune && !this._noPrune) { this._pruneTiles(); } - - if (nextFrame) { - cancelAnimFrame(this._fadeFrame); - this._fadeFrame = requestAnimFrame(this._updateOpacity, this); - } - }, - - _onOpaqueTile: falseFn, - - _initContainer: function () { - if (this._container) { return; } - - this._container = create$1('div', 'leaflet-layer ' + (this.options.className || '')); - this._updateZIndex(); - - if (this.options.opacity < 1) { - this._updateOpacity(); - } - - this.getPane().appendChild(this._container); - }, - - _updateLevels: function () { - - var zoom = this._tileZoom, - maxZoom = this.options.maxZoom; - - if (zoom === undefined) { return undefined; } - - for (var z in this._levels) { - if (this._levels[z].el.children.length || z === zoom) { - this._levels[z].el.style.zIndex = maxZoom - Math.abs(zoom - z); - this._onUpdateLevel(z); - } else { - remove(this._levels[z].el); - this._removeTilesAtZoom(z); - this._onRemoveLevel(z); - delete this._levels[z]; - } - } - - var level = this._levels[zoom], - map = this._map; - - if (!level) { - level = this._levels[zoom] = {}; - - level.el = create$1('div', 'leaflet-tile-container leaflet-zoom-animated', this._container); - level.el.style.zIndex = maxZoom; - - level.origin = map.project(map.unproject(map.getPixelOrigin()), zoom).round(); - level.zoom = zoom; - - this._setZoomTransform(level, map.getCenter(), map.getZoom()); - - // force the browser to consider the newly added element for transition - falseFn(level.el.offsetWidth); - - this._onCreateLevel(level); - } - - this._level = level; - - return level; - }, - - _onUpdateLevel: falseFn, - - _onRemoveLevel: falseFn, - - _onCreateLevel: falseFn, - - _pruneTiles: function () { - if (!this._map) { - return; - } - - var key, tile; - - var zoom = this._map.getZoom(); - if (zoom > this.options.maxZoom || - zoom < this.options.minZoom) { - this._removeAllTiles(); - return; - } - - for (key in this._tiles) { - tile = this._tiles[key]; - tile.retain = tile.current; - } - - for (key in this._tiles) { - tile = this._tiles[key]; - if (tile.current && !tile.active) { - var coords = tile.coords; - if (!this._retainParent(coords.x, coords.y, coords.z, coords.z - 5)) { - this._retainChildren(coords.x, coords.y, coords.z, coords.z + 2); - } - } - } - - for (key in this._tiles) { - if (!this._tiles[key].retain) { - this._removeTile(key); - } - } - }, - - _removeTilesAtZoom: function (zoom) { - for (var key in this._tiles) { - if (this._tiles[key].coords.z !== zoom) { - continue; - } - this._removeTile(key); - } - }, - - _removeAllTiles: function () { - for (var key in this._tiles) { - this._removeTile(key); - } - }, - - _invalidateAll: function () { - for (var z in this._levels) { - remove(this._levels[z].el); - this._onRemoveLevel(z); - delete this._levels[z]; - } - this._removeAllTiles(); - - this._tileZoom = undefined; - }, - - _retainParent: function (x, y, z, minZoom) { - var x2 = Math.floor(x / 2), - y2 = Math.floor(y / 2), - z2 = z - 1, - coords2 = new Point(+x2, +y2); - coords2.z = +z2; - - var key = this._tileCoordsToKey(coords2), - tile = this._tiles[key]; - - if (tile && tile.active) { - tile.retain = true; - return true; - - } else if (tile && tile.loaded) { - tile.retain = true; - } - - if (z2 > minZoom) { - return this._retainParent(x2, y2, z2, minZoom); - } - - return false; - }, - - _retainChildren: function (x, y, z, maxZoom) { - - for (var i = 2 * x; i < 2 * x + 2; i++) { - for (var j = 2 * y; j < 2 * y + 2; j++) { - - var coords = new Point(i, j); - coords.z = z + 1; - - var key = this._tileCoordsToKey(coords), - tile = this._tiles[key]; - - if (tile && tile.active) { - tile.retain = true; - continue; - - } else if (tile && tile.loaded) { - tile.retain = true; - } - - if (z + 1 < maxZoom) { - this._retainChildren(i, j, z + 1, maxZoom); - } - } - } - }, - - _resetView: function (e) { - var animating = e && (e.pinch || e.flyTo); - this._setView(this._map.getCenter(), this._map.getZoom(), animating, animating); - }, - - _animateZoom: function (e) { - this._setView(e.center, e.zoom, true, e.noUpdate); - }, - - _clampZoom: function (zoom) { - var options = this.options; - - if (undefined !== options.minNativeZoom && zoom < options.minNativeZoom) { - return options.minNativeZoom; - } - - if (undefined !== options.maxNativeZoom && options.maxNativeZoom < zoom) { - return options.maxNativeZoom; - } - - return zoom; - }, - - _setView: function (center, zoom, noPrune, noUpdate) { - var tileZoom = this._clampZoom(Math.round(zoom)); - if ((this.options.maxZoom !== undefined && tileZoom > this.options.maxZoom) || - (this.options.minZoom !== undefined && tileZoom < this.options.minZoom)) { - tileZoom = undefined; - } - - var tileZoomChanged = this.options.updateWhenZooming && (tileZoom !== this._tileZoom); - - if (!noUpdate || tileZoomChanged) { - - this._tileZoom = tileZoom; - - if (this._abortLoading) { - this._abortLoading(); - } - - this._updateLevels(); - this._resetGrid(); - - if (tileZoom !== undefined) { - this._update(center); - } - - if (!noPrune) { - this._pruneTiles(); - } - - // Flag to prevent _updateOpacity from pruning tiles during - // a zoom anim or a pinch gesture - this._noPrune = !!noPrune; - } - - this._setZoomTransforms(center, zoom); - }, - - _setZoomTransforms: function (center, zoom) { - for (var i in this._levels) { - this._setZoomTransform(this._levels[i], center, zoom); - } - }, - - _setZoomTransform: function (level, center, zoom) { - var scale = this._map.getZoomScale(zoom, level.zoom), - translate = level.origin.multiplyBy(scale) - .subtract(this._map._getNewPixelOrigin(center, zoom)).round(); - - if (any3d) { - setTransform(level.el, translate, scale); - } else { - setPosition(level.el, translate); - } - }, - - _resetGrid: function () { - var map = this._map, - crs = map.options.crs, - tileSize = this._tileSize = this.getTileSize(), - tileZoom = this._tileZoom; - - var bounds = this._map.getPixelWorldBounds(this._tileZoom); - if (bounds) { - this._globalTileRange = this._pxBoundsToTileRange(bounds); - } - - this._wrapX = crs.wrapLng && !this.options.noWrap && [ - Math.floor(map.project([0, crs.wrapLng[0]], tileZoom).x / tileSize.x), - Math.ceil(map.project([0, crs.wrapLng[1]], tileZoom).x / tileSize.y) - ]; - this._wrapY = crs.wrapLat && !this.options.noWrap && [ - Math.floor(map.project([crs.wrapLat[0], 0], tileZoom).y / tileSize.x), - Math.ceil(map.project([crs.wrapLat[1], 0], tileZoom).y / tileSize.y) - ]; - }, - - _onMoveEnd: function () { - if (!this._map || this._map._animatingZoom) { return; } - - this._update(); - }, - - _getTiledPixelBounds: function (center) { - var map = this._map, - mapZoom = map._animatingZoom ? Math.max(map._animateToZoom, map.getZoom()) : map.getZoom(), - scale = map.getZoomScale(mapZoom, this._tileZoom), - pixelCenter = map.project(center, this._tileZoom).floor(), - halfSize = map.getSize().divideBy(scale * 2); - - return new Bounds(pixelCenter.subtract(halfSize), pixelCenter.add(halfSize)); - }, - - // Private method to load tiles in the grid's active zoom level according to map bounds - _update: function (center) { - var map = this._map; - if (!map) { return; } - var zoom = this._clampZoom(map.getZoom()); - - if (center === undefined) { center = map.getCenter(); } - if (this._tileZoom === undefined) { return; } // if out of minzoom/maxzoom - - var pixelBounds = this._getTiledPixelBounds(center), - tileRange = this._pxBoundsToTileRange(pixelBounds), - tileCenter = tileRange.getCenter(), - queue = [], - margin = this.options.keepBuffer, - noPruneRange = new Bounds(tileRange.getBottomLeft().subtract([margin, -margin]), - tileRange.getTopRight().add([margin, -margin])); - - // Sanity check: panic if the tile range contains Infinity somewhere. - if (!(isFinite(tileRange.min.x) && - isFinite(tileRange.min.y) && - isFinite(tileRange.max.x) && - isFinite(tileRange.max.y))) { throw new Error('Attempted to load an infinite number of tiles'); } - - for (var key in this._tiles) { - var c = this._tiles[key].coords; - if (c.z !== this._tileZoom || !noPruneRange.contains(new Point(c.x, c.y))) { - this._tiles[key].current = false; - } - } - - // _update just loads more tiles. If the tile zoom level differs too much - // from the map's, let _setView reset levels and prune old tiles. - if (Math.abs(zoom - this._tileZoom) > 1) { this._setView(center, zoom); return; } - - // create a queue of coordinates to load tiles from - for (var j = tileRange.min.y; j <= tileRange.max.y; j++) { - for (var i = tileRange.min.x; i <= tileRange.max.x; i++) { - var coords = new Point(i, j); - coords.z = this._tileZoom; - - if (!this._isValidTile(coords)) { continue; } - - var tile = this._tiles[this._tileCoordsToKey(coords)]; - if (tile) { - tile.current = true; - } else { - queue.push(coords); - } - } - } - - // sort tile queue to load tiles in order of their distance to center - queue.sort(function (a, b) { - return a.distanceTo(tileCenter) - b.distanceTo(tileCenter); - }); - - if (queue.length !== 0) { - // if it's the first batch of tiles to load - if (!this._loading) { - this._loading = true; - // @event loading: Event - // Fired when the grid layer starts loading tiles. - this.fire('loading'); - } - - // create DOM fragment to append tiles in one batch - var fragment = document.createDocumentFragment(); - - for (i = 0; i < queue.length; i++) { - this._addTile(queue[i], fragment); - } - - this._level.el.appendChild(fragment); - } - }, - - _isValidTile: function (coords) { - var crs = this._map.options.crs; - - if (!crs.infinite) { - // don't load tile if it's out of bounds and not wrapped - var bounds = this._globalTileRange; - if ((!crs.wrapLng && (coords.x < bounds.min.x || coords.x > bounds.max.x)) || - (!crs.wrapLat && (coords.y < bounds.min.y || coords.y > bounds.max.y))) { return false; } - } - - if (!this.options.bounds) { return true; } - - // don't load tile if it doesn't intersect the bounds in options - var tileBounds = this._tileCoordsToBounds(coords); - return toLatLngBounds(this.options.bounds).overlaps(tileBounds); - }, - - _keyToBounds: function (key) { - return this._tileCoordsToBounds(this._keyToTileCoords(key)); - }, - - _tileCoordsToNwSe: function (coords) { - var map = this._map, - tileSize = this.getTileSize(), - nwPoint = coords.scaleBy(tileSize), - sePoint = nwPoint.add(tileSize), - nw = map.unproject(nwPoint, coords.z), - se = map.unproject(sePoint, coords.z); - return [nw, se]; - }, - - // converts tile coordinates to its geographical bounds - _tileCoordsToBounds: function (coords) { - var bp = this._tileCoordsToNwSe(coords), - bounds = new LatLngBounds(bp[0], bp[1]); - - if (!this.options.noWrap) { - bounds = this._map.wrapLatLngBounds(bounds); - } - return bounds; - }, - // converts tile coordinates to key for the tile cache - _tileCoordsToKey: function (coords) { - return coords.x + ':' + coords.y + ':' + coords.z; - }, - - // converts tile cache key to coordinates - _keyToTileCoords: function (key) { - var k = key.split(':'), - coords = new Point(+k[0], +k[1]); - coords.z = +k[2]; - return coords; - }, - - _removeTile: function (key) { - var tile = this._tiles[key]; - if (!tile) { return; } - - remove(tile.el); - - delete this._tiles[key]; - - // @event tileunload: TileEvent - // Fired when a tile is removed (e.g. when a tile goes off the screen). - this.fire('tileunload', { - tile: tile.el, - coords: this._keyToTileCoords(key) - }); - }, - - _initTile: function (tile) { - addClass(tile, 'leaflet-tile'); - - var tileSize = this.getTileSize(); - tile.style.width = tileSize.x + 'px'; - tile.style.height = tileSize.y + 'px'; - - tile.onselectstart = falseFn; - tile.onmousemove = falseFn; - - // update opacity on tiles in IE7-8 because of filter inheritance problems - if (ielt9 && this.options.opacity < 1) { - setOpacity(tile, this.options.opacity); - } - - // without this hack, tiles disappear after zoom on Chrome for Android - // https://github.com/Leaflet/Leaflet/issues/2078 - if (android && !android23) { - tile.style.WebkitBackfaceVisibility = 'hidden'; - } - }, - - _addTile: function (coords, container) { - var tilePos = this._getTilePos(coords), - key = this._tileCoordsToKey(coords); - - var tile = this.createTile(this._wrapCoords(coords), bind(this._tileReady, this, coords)); - - this._initTile(tile); - - // if createTile is defined with a second argument ("done" callback), - // we know that tile is async and will be ready later; otherwise - if (this.createTile.length < 2) { - // mark tile as ready, but delay one frame for opacity animation to happen - requestAnimFrame(bind(this._tileReady, this, coords, null, tile)); - } - - setPosition(tile, tilePos); - - // save tile in cache - this._tiles[key] = { - el: tile, - coords: coords, - current: true - }; - - container.appendChild(tile); - // @event tileloadstart: TileEvent - // Fired when a tile is requested and starts loading. - this.fire('tileloadstart', { - tile: tile, - coords: coords - }); - }, - - _tileReady: function (coords, err, tile) { - if (err) { - // @event tileerror: TileErrorEvent - // Fired when there is an error loading a tile. - this.fire('tileerror', { - error: err, - tile: tile, - coords: coords - }); - } - - var key = this._tileCoordsToKey(coords); - - tile = this._tiles[key]; - if (!tile) { return; } - - tile.loaded = +new Date(); - if (this._map._fadeAnimated) { - setOpacity(tile.el, 0); - cancelAnimFrame(this._fadeFrame); - this._fadeFrame = requestAnimFrame(this._updateOpacity, this); - } else { - tile.active = true; - this._pruneTiles(); - } - - if (!err) { - addClass(tile.el, 'leaflet-tile-loaded'); - - // @event tileload: TileEvent - // Fired when a tile loads. - this.fire('tileload', { - tile: tile.el, - coords: coords - }); - } - - if (this._noTilesToLoad()) { - this._loading = false; - // @event load: Event - // Fired when the grid layer loaded all visible tiles. - this.fire('load'); - - if (ielt9 || !this._map._fadeAnimated) { - requestAnimFrame(this._pruneTiles, this); - } else { - // Wait a bit more than 0.2 secs (the duration of the tile fade-in) - // to trigger a pruning. - setTimeout(bind(this._pruneTiles, this), 250); - } - } - }, - - _getTilePos: function (coords) { - return coords.scaleBy(this.getTileSize()).subtract(this._level.origin); - }, - - _wrapCoords: function (coords) { - var newCoords = new Point( - this._wrapX ? wrapNum(coords.x, this._wrapX) : coords.x, - this._wrapY ? wrapNum(coords.y, this._wrapY) : coords.y); - newCoords.z = coords.z; - return newCoords; - }, - - _pxBoundsToTileRange: function (bounds) { - var tileSize = this.getTileSize(); - return new Bounds( - bounds.min.unscaleBy(tileSize).floor(), - bounds.max.unscaleBy(tileSize).ceil().subtract([1, 1])); - }, - - _noTilesToLoad: function () { - for (var key in this._tiles) { - if (!this._tiles[key].loaded) { return false; } - } - return true; - } -}); - -// @factory L.gridLayer(options?: GridLayer options) -// Creates a new instance of GridLayer with the supplied options. -function gridLayer(options) { - return new GridLayer(options); -} - +}); + +/* + * @class Tooltip + * @inherits DivOverlay + * @aka L.Tooltip + * Used to display small texts on top of map layers. + * + * @example + * + * ```js + * marker.bindTooltip("my tooltip text").openTooltip(); + * ``` + * Note about tooltip offset. Leaflet takes two options in consideration + * for computing tooltip offsetting: + * - the `offset` Tooltip option: it defaults to [0, 0], and it's specific to one tooltip. + * Add a positive x offset to move the tooltip to the right, and a positive y offset to + * move it to the bottom. Negatives will move to the left and top. + * - the `tooltipAnchor` Icon option: this will only be considered for Marker. You + * should adapt this value if you use a custom icon. + */ + + +// @namespace Tooltip +var Tooltip = DivOverlay.extend({ + + // @section + // @aka Tooltip options + options: { + // @option pane: String = 'tooltipPane' + // `Map pane` where the tooltip will be added. + pane: 'tooltipPane', + + // @option offset: Point = Point(0, 0) + // Optional offset of the tooltip position. + offset: [0, 0], + + // @option direction: String = 'auto' + // Direction where to open the tooltip. Possible values are: `right`, `left`, + // `top`, `bottom`, `center`, `auto`. + // `auto` will dynamically switch between `right` and `left` according to the tooltip + // position on the map. + direction: 'auto', + + // @option permanent: Boolean = false + // Whether to open the tooltip permanently or only on mouseover. + permanent: false, + + // @option sticky: Boolean = false + // If true, the tooltip will follow the mouse instead of being fixed at the feature center. + sticky: false, + + // @option interactive: Boolean = false + // If true, the tooltip will listen to the feature events. + interactive: false, + + // @option opacity: Number = 0.9 + // Tooltip container opacity. + opacity: 0.9 + }, + + onAdd: function (map) { + DivOverlay.prototype.onAdd.call(this, map); + this.setOpacity(this.options.opacity); + + // @namespace Map + // @section Tooltip events + // @event tooltipopen: TooltipEvent + // Fired when a tooltip is opened in the map. + map.fire('tooltipopen', {tooltip: this}); + + if (this._source) { + // @namespace Layer + // @section Tooltip events + // @event tooltipopen: TooltipEvent + // Fired when a tooltip bound to this layer is opened. + this._source.fire('tooltipopen', {tooltip: this}, true); + } + }, + + onRemove: function (map) { + DivOverlay.prototype.onRemove.call(this, map); + + // @namespace Map + // @section Tooltip events + // @event tooltipclose: TooltipEvent + // Fired when a tooltip in the map is closed. + map.fire('tooltipclose', {tooltip: this}); + + if (this._source) { + // @namespace Layer + // @section Tooltip events + // @event tooltipclose: TooltipEvent + // Fired when a tooltip bound to this layer is closed. + this._source.fire('tooltipclose', {tooltip: this}, true); + } + }, + + getEvents: function () { + var events = DivOverlay.prototype.getEvents.call(this); + + if (touch && !this.options.permanent) { + events.preclick = this._close; + } + + return events; + }, + + _close: function () { + if (this._map) { + this._map.closeTooltip(this); + } + }, + + _initLayout: function () { + var prefix = 'leaflet-tooltip', + className = prefix + ' ' + (this.options.className || '') + ' leaflet-zoom-' + (this._zoomAnimated ? 'animated' : 'hide'); + + this._contentNode = this._container = create$1('div', className); + }, + + _updateLayout: function () {}, + + _adjustPan: function () {}, + + _setPosition: function (pos) { + var map = this._map, + container = this._container, + centerPoint = map.latLngToContainerPoint(map.getCenter()), + tooltipPoint = map.layerPointToContainerPoint(pos), + direction = this.options.direction, + tooltipWidth = container.offsetWidth, + tooltipHeight = container.offsetHeight, + offset = toPoint(this.options.offset), + anchor = this._getAnchor(); + + if (direction === 'top') { + pos = pos.add(toPoint(-tooltipWidth / 2 + offset.x, -tooltipHeight + offset.y + anchor.y, true)); + } else if (direction === 'bottom') { + pos = pos.subtract(toPoint(tooltipWidth / 2 - offset.x, -offset.y, true)); + } else if (direction === 'center') { + pos = pos.subtract(toPoint(tooltipWidth / 2 + offset.x, tooltipHeight / 2 - anchor.y + offset.y, true)); + } else if (direction === 'right' || direction === 'auto' && tooltipPoint.x < centerPoint.x) { + direction = 'right'; + pos = pos.add(toPoint(offset.x + anchor.x, anchor.y - tooltipHeight / 2 + offset.y, true)); + } else { + direction = 'left'; + pos = pos.subtract(toPoint(tooltipWidth + anchor.x - offset.x, tooltipHeight / 2 - anchor.y - offset.y, true)); + } + + removeClass(container, 'leaflet-tooltip-right'); + removeClass(container, 'leaflet-tooltip-left'); + removeClass(container, 'leaflet-tooltip-top'); + removeClass(container, 'leaflet-tooltip-bottom'); + addClass(container, 'leaflet-tooltip-' + direction); + setPosition(container, pos); + }, + + _updatePosition: function () { + var pos = this._map.latLngToLayerPoint(this._latlng); + this._setPosition(pos); + }, + + setOpacity: function (opacity) { + this.options.opacity = opacity; + + if (this._container) { + setOpacity(this._container, opacity); + } + }, + + _animateZoom: function (e) { + var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center); + this._setPosition(pos); + }, + + _getAnchor: function () { + // Where should we anchor the tooltip on the source layer? + return toPoint(this._source && this._source._getTooltipAnchor && !this.options.sticky ? this._source._getTooltipAnchor() : [0, 0]); + } + +}); + +// @namespace Tooltip +// @factory L.tooltip(options?: Tooltip options, source?: Layer) +// Instantiates a Tooltip object given an optional `options` object that describes its appearance and location and an optional `source` object that is used to tag the tooltip with a reference to the Layer to which it refers. +var tooltip = function (options, source) { + return new Tooltip(options, source); +}; + +// @namespace Map +// @section Methods for Layers and Controls +Map.include({ + + // @method openTooltip(tooltip: Tooltip): this + // Opens the specified tooltip. + // @alternative + // @method openTooltip(content: String|HTMLElement, latlng: LatLng, options?: Tooltip options): this + // Creates a tooltip with the specified content and options and open it. + openTooltip: function (tooltip, latlng, options) { + if (!(tooltip instanceof Tooltip)) { + tooltip = new Tooltip(options).setContent(tooltip); + } + + if (latlng) { + tooltip.setLatLng(latlng); + } + + if (this.hasLayer(tooltip)) { + return this; + } + + return this.addLayer(tooltip); + }, + + // @method closeTooltip(tooltip?: Tooltip): this + // Closes the tooltip given as parameter. + closeTooltip: function (tooltip) { + if (tooltip) { + this.removeLayer(tooltip); + } + return this; + } + +}); + +/* + * @namespace Layer + * @section Tooltip methods example + * + * All layers share a set of methods convenient for binding tooltips to it. + * + * ```js + * var layer = L.Polygon(latlngs).bindTooltip('Hi There!').addTo(map); + * layer.openTooltip(); + * layer.closeTooltip(); + * ``` + */ + +// @section Tooltip methods +Layer.include({ + + // @method bindTooltip(content: String|HTMLElement|Function|Tooltip, options?: Tooltip options): this + // Binds a tooltip to the layer with the passed `content` and sets up the + // necessary event listeners. If a `Function` is passed it will receive + // the layer as the first argument and should return a `String` or `HTMLElement`. + bindTooltip: function (content, options) { + + if (content instanceof Tooltip) { + setOptions(content, options); + this._tooltip = content; + content._source = this; + } else { + if (!this._tooltip || options) { + this._tooltip = new Tooltip(options, this); + } + this._tooltip.setContent(content); + + } + + this._initTooltipInteractions(); + + if (this._tooltip.options.permanent && this._map && this._map.hasLayer(this)) { + this.openTooltip(); + } + + return this; + }, + + // @method unbindTooltip(): this + // Removes the tooltip previously bound with `bindTooltip`. + unbindTooltip: function () { + if (this._tooltip) { + this._initTooltipInteractions(true); + this.closeTooltip(); + this._tooltip = null; + } + return this; + }, + + _initTooltipInteractions: function (remove$$1) { + if (!remove$$1 && this._tooltipHandlersAdded) { return; } + var onOff = remove$$1 ? 'off' : 'on', + events = { + remove: this.closeTooltip, + move: this._moveTooltip + }; + if (!this._tooltip.options.permanent) { + events.mouseover = this._openTooltip; + events.mouseout = this.closeTooltip; + if (this._tooltip.options.sticky) { + events.mousemove = this._moveTooltip; + } + if (touch) { + events.click = this._openTooltip; + } + } else { + events.add = this._openTooltip; + } + this[onOff](events); + this._tooltipHandlersAdded = !remove$$1; + }, + + // @method openTooltip(latlng?: LatLng): this + // Opens the bound tooltip at the specified `latlng` or at the default tooltip anchor if no `latlng` is passed. + openTooltip: function (layer, latlng) { + if (!(layer instanceof Layer)) { + latlng = layer; + layer = this; + } + + if (layer instanceof FeatureGroup) { + for (var id in this._layers) { + layer = this._layers[id]; + break; + } + } + + if (!latlng) { + latlng = layer.getCenter ? layer.getCenter() : layer.getLatLng(); + } + + if (this._tooltip && this._map) { + + // set tooltip source to this layer + this._tooltip._source = layer; + + // update the tooltip (content, layout, ect...) + this._tooltip.update(); + + // open the tooltip on the map + this._map.openTooltip(this._tooltip, latlng); + + // Tooltip container may not be defined if not permanent and never + // opened. + if (this._tooltip.options.interactive && this._tooltip._container) { + addClass(this._tooltip._container, 'leaflet-clickable'); + this.addInteractiveTarget(this._tooltip._container); + } + } + + return this; + }, + + // @method closeTooltip(): this + // Closes the tooltip bound to this layer if it is open. + closeTooltip: function () { + if (this._tooltip) { + this._tooltip._close(); + if (this._tooltip.options.interactive && this._tooltip._container) { + removeClass(this._tooltip._container, 'leaflet-clickable'); + this.removeInteractiveTarget(this._tooltip._container); + } + } + return this; + }, + + // @method toggleTooltip(): this + // Opens or closes the tooltip bound to this layer depending on its current state. + toggleTooltip: function (target) { + if (this._tooltip) { + if (this._tooltip._map) { + this.closeTooltip(); + } else { + this.openTooltip(target); + } + } + return this; + }, + + // @method isTooltipOpen(): boolean + // Returns `true` if the tooltip bound to this layer is currently open. + isTooltipOpen: function () { + return this._tooltip.isOpen(); + }, + + // @method setTooltipContent(content: String|HTMLElement|Tooltip): this + // Sets the content of the tooltip bound to this layer. + setTooltipContent: function (content) { + if (this._tooltip) { + this._tooltip.setContent(content); + } + return this; + }, + + // @method getTooltip(): Tooltip + // Returns the tooltip bound to this layer. + getTooltip: function () { + return this._tooltip; + }, + + _openTooltip: function (e) { + var layer = e.layer || e.target; + + if (!this._tooltip || !this._map) { + return; + } + this.openTooltip(layer, this._tooltip.options.sticky ? e.latlng : undefined); + }, + + _moveTooltip: function (e) { + var latlng = e.latlng, containerPoint, layerPoint; + if (this._tooltip.options.sticky && e.originalEvent) { + containerPoint = this._map.mouseEventToContainerPoint(e.originalEvent); + layerPoint = this._map.containerPointToLayerPoint(containerPoint); + latlng = this._map.layerPointToLatLng(layerPoint); + } + this._tooltip.setLatLng(latlng); + } +}); + +/* + * @class DivIcon + * @aka L.DivIcon + * @inherits Icon + * + * Represents a lightweight icon for markers that uses a simple `
` + * element instead of an image. Inherits from `Icon` but ignores the `iconUrl` and shadow options. + * + * @example + * ```js + * var myIcon = L.divIcon({className: 'my-div-icon'}); + * // you can set .my-div-icon styles in CSS + * + * L.marker([50.505, 30.57], {icon: myIcon}).addTo(map); + * ``` + * + * By default, it has a 'leaflet-div-icon' CSS class and is styled as a little white square with a shadow. + */ + +var DivIcon = Icon.extend({ + options: { + // @section + // @aka DivIcon options + iconSize: [12, 12], // also can be set through CSS + + // iconAnchor: (Point), + // popupAnchor: (Point), + + // @option html: String = '' + // Custom HTML code to put inside the div element, empty by default. + html: false, + + // @option bgPos: Point = [0, 0] + // Optional relative position of the background, in pixels + bgPos: null, + + className: 'leaflet-div-icon' + }, + + createIcon: function (oldIcon) { + var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'), + options = this.options; + + div.innerHTML = options.html !== false ? options.html : ''; + + if (options.bgPos) { + var bgPos = toPoint(options.bgPos); + div.style.backgroundPosition = (-bgPos.x) + 'px ' + (-bgPos.y) + 'px'; + } + this._setIconStyles(div, 'icon'); + + return div; + }, + + createShadow: function () { + return null; + } +}); + +// @factory L.divIcon(options: DivIcon options) +// Creates a `DivIcon` instance with the given options. +function divIcon(options) { + return new DivIcon(options); +} + +Icon.Default = IconDefault; + +/* + * @class GridLayer + * @inherits Layer + * @aka L.GridLayer + * + * Generic class for handling a tiled grid of HTML elements. This is the base class for all tile layers and replaces `TileLayer.Canvas`. + * GridLayer can be extended to create a tiled grid of HTML elements like ``, `` or `
`. GridLayer will handle creating and animating these DOM elements for you. + * + * + * @section Synchronous usage + * @example + * + * To create a custom layer, extend GridLayer and implement the `createTile()` method, which will be passed a `Point` object with the `x`, `y`, and `z` (zoom level) coordinates to draw your tile. + * + * ```js + * var CanvasLayer = L.GridLayer.extend({ + * createTile: function(coords){ + * // create a element for drawing + * var tile = L.DomUtil.create('canvas', 'leaflet-tile'); + * + * // setup tile width and height according to the options + * var size = this.getTileSize(); + * tile.width = size.x; + * tile.height = size.y; + * + * // get a canvas context and draw something on it using coords.x, coords.y and coords.z + * var ctx = tile.getContext('2d'); + * + * // return the tile so it can be rendered on screen + * return tile; + * } + * }); + * ``` + * + * @section Asynchronous usage + * @example + * + * Tile creation can also be asynchronous, this is useful when using a third-party drawing library. Once the tile is finished drawing it can be passed to the `done()` callback. + * + * ```js + * var CanvasLayer = L.GridLayer.extend({ + * createTile: function(coords, done){ + * var error; + * + * // create a element for drawing + * var tile = L.DomUtil.create('canvas', 'leaflet-tile'); + * + * // setup tile width and height according to the options + * var size = this.getTileSize(); + * tile.width = size.x; + * tile.height = size.y; + * + * // draw something asynchronously and pass the tile to the done() callback + * setTimeout(function() { + * done(error, tile); + * }, 1000); + * + * return tile; + * } + * }); + * ``` + * + * @section + */ + + +var GridLayer = Layer.extend({ + + // @section + // @aka GridLayer options + options: { + // @option tileSize: Number|Point = 256 + // Width and height of tiles in the grid. Use a number if width and height are equal, or `L.point(width, height)` otherwise. + tileSize: 256, + + // @option opacity: Number = 1.0 + // Opacity of the tiles. Can be used in the `createTile()` function. + opacity: 1, + + // @option updateWhenIdle: Boolean = (depends) + // Load new tiles only when panning ends. + // `true` by default on mobile browsers, in order to avoid too many requests and keep smooth navigation. + // `false` otherwise in order to display new tiles _during_ panning, since it is easy to pan outside the + // [`keepBuffer`](#gridlayer-keepbuffer) option in desktop browsers. + updateWhenIdle: mobile, + + // @option updateWhenZooming: Boolean = true + // By default, a smooth zoom animation (during a [touch zoom](#map-touchzoom) or a [`flyTo()`](#map-flyto)) will update grid layers every integer zoom level. Setting this option to `false` will update the grid layer only when the smooth animation ends. + updateWhenZooming: true, + + // @option updateInterval: Number = 200 + // Tiles will not update more than once every `updateInterval` milliseconds when panning. + updateInterval: 200, + + // @option zIndex: Number = 1 + // The explicit zIndex of the tile layer. + zIndex: 1, + + // @option bounds: LatLngBounds = undefined + // If set, tiles will only be loaded inside the set `LatLngBounds`. + bounds: null, + + // @option minZoom: Number = 0 + // The minimum zoom level down to which this layer will be displayed (inclusive). + minZoom: 0, + + // @option maxZoom: Number = undefined + // The maximum zoom level up to which this layer will be displayed (inclusive). + maxZoom: undefined, + + // @option maxNativeZoom: Number = undefined + // Maximum zoom number the tile source has available. If it is specified, + // the tiles on all zoom levels higher than `maxNativeZoom` will be loaded + // from `maxNativeZoom` level and auto-scaled. + maxNativeZoom: undefined, + + // @option minNativeZoom: Number = undefined + // Minimum zoom number the tile source has available. If it is specified, + // the tiles on all zoom levels lower than `minNativeZoom` will be loaded + // from `minNativeZoom` level and auto-scaled. + minNativeZoom: undefined, + + // @option noWrap: Boolean = false + // Whether the layer is wrapped around the antimeridian. If `true`, the + // GridLayer will only be displayed once at low zoom levels. Has no + // effect when the [map CRS](#map-crs) doesn't wrap around. Can be used + // in combination with [`bounds`](#gridlayer-bounds) to prevent requesting + // tiles outside the CRS limits. + noWrap: false, + + // @option pane: String = 'tilePane' + // `Map pane` where the grid layer will be added. + pane: 'tilePane', + + // @option className: String = '' + // A custom class name to assign to the tile layer. Empty by default. + className: '', + + // @option keepBuffer: Number = 2 + // When panning the map, keep this many rows and columns of tiles before unloading them. + keepBuffer: 2 + }, + + initialize: function (options) { + setOptions(this, options); + }, + + onAdd: function () { + this._initContainer(); + + this._levels = {}; + this._tiles = {}; + + this._resetView(); + this._update(); + }, + + beforeAdd: function (map) { + map._addZoomLimit(this); + }, + + onRemove: function (map) { + this._removeAllTiles(); + remove(this._container); + map._removeZoomLimit(this); + this._container = null; + this._tileZoom = undefined; + }, + + // @method bringToFront: this + // Brings the tile layer to the top of all tile layers. + bringToFront: function () { + if (this._map) { + toFront(this._container); + this._setAutoZIndex(Math.max); + } + return this; + }, + + // @method bringToBack: this + // Brings the tile layer to the bottom of all tile layers. + bringToBack: function () { + if (this._map) { + toBack(this._container); + this._setAutoZIndex(Math.min); + } + return this; + }, + + // @method getContainer: HTMLElement + // Returns the HTML element that contains the tiles for this layer. + getContainer: function () { + return this._container; + }, + + // @method setOpacity(opacity: Number): this + // Changes the [opacity](#gridlayer-opacity) of the grid layer. + setOpacity: function (opacity) { + this.options.opacity = opacity; + this._updateOpacity(); + return this; + }, + + // @method setZIndex(zIndex: Number): this + // Changes the [zIndex](#gridlayer-zindex) of the grid layer. + setZIndex: function (zIndex) { + this.options.zIndex = zIndex; + this._updateZIndex(); + + return this; + }, + + // @method isLoading: Boolean + // Returns `true` if any tile in the grid layer has not finished loading. + isLoading: function () { + return this._loading; + }, + + // @method redraw: this + // Causes the layer to clear all the tiles and request them again. + redraw: function () { + if (this._map) { + this._removeAllTiles(); + this._update(); + } + return this; + }, + + getEvents: function () { + var events = { + viewprereset: this._invalidateAll, + viewreset: this._resetView, + zoom: this._resetView, + moveend: this._onMoveEnd + }; + + if (!this.options.updateWhenIdle) { + // update tiles on move, but not more often than once per given interval + if (!this._onMove) { + this._onMove = throttle(this._onMoveEnd, this.options.updateInterval, this); + } + + events.move = this._onMove; + } + + if (this._zoomAnimated) { + events.zoomanim = this._animateZoom; + } + + return events; + }, + + // @section Extension methods + // Layers extending `GridLayer` shall reimplement the following method. + // @method createTile(coords: Object, done?: Function): HTMLElement + // Called only internally, must be overridden by classes extending `GridLayer`. + // Returns the `HTMLElement` corresponding to the given `coords`. If the `done` callback + // is specified, it must be called when the tile has finished loading and drawing. + createTile: function () { + return document.createElement('div'); + }, + + // @section + // @method getTileSize: Point + // Normalizes the [tileSize option](#gridlayer-tilesize) into a point. Used by the `createTile()` method. + getTileSize: function () { + var s = this.options.tileSize; + return s instanceof Point ? s : new Point(s, s); + }, + + _updateZIndex: function () { + if (this._container && this.options.zIndex !== undefined && this.options.zIndex !== null) { + this._container.style.zIndex = this.options.zIndex; + } + }, + + _setAutoZIndex: function (compare) { + // go through all other layers of the same pane, set zIndex to max + 1 (front) or min - 1 (back) + + var layers = this.getPane().children, + edgeZIndex = -compare(-Infinity, Infinity); // -Infinity for max, Infinity for min + + for (var i = 0, len = layers.length, zIndex; i < len; i++) { + + zIndex = layers[i].style.zIndex; + + if (layers[i] !== this._container && zIndex) { + edgeZIndex = compare(edgeZIndex, +zIndex); + } + } + + if (isFinite(edgeZIndex)) { + this.options.zIndex = edgeZIndex + compare(-1, 1); + this._updateZIndex(); + } + }, + + _updateOpacity: function () { + if (!this._map) { return; } + + // IE doesn't inherit filter opacity properly, so we're forced to set it on tiles + if (ielt9) { return; } + + setOpacity(this._container, this.options.opacity); + + var now = +new Date(), + nextFrame = false, + willPrune = false; + + for (var key in this._tiles) { + var tile = this._tiles[key]; + if (!tile.current || !tile.loaded) { continue; } + + var fade = Math.min(1, (now - tile.loaded) / 200); + + setOpacity(tile.el, fade); + if (fade < 1) { + nextFrame = true; + } else { + if (tile.active) { + willPrune = true; + } else { + this._onOpaqueTile(tile); + } + tile.active = true; + } + } + + if (willPrune && !this._noPrune) { this._pruneTiles(); } + + if (nextFrame) { + cancelAnimFrame(this._fadeFrame); + this._fadeFrame = requestAnimFrame(this._updateOpacity, this); + } + }, + + _onOpaqueTile: falseFn, + + _initContainer: function () { + if (this._container) { return; } + + this._container = create$1('div', 'leaflet-layer ' + (this.options.className || '')); + this._updateZIndex(); + + if (this.options.opacity < 1) { + this._updateOpacity(); + } + + this.getPane().appendChild(this._container); + }, + + _updateLevels: function () { + + var zoom = this._tileZoom, + maxZoom = this.options.maxZoom; + + if (zoom === undefined) { return undefined; } + + for (var z in this._levels) { + if (this._levels[z].el.children.length || z === zoom) { + this._levels[z].el.style.zIndex = maxZoom - Math.abs(zoom - z); + this._onUpdateLevel(z); + } else { + remove(this._levels[z].el); + this._removeTilesAtZoom(z); + this._onRemoveLevel(z); + delete this._levels[z]; + } + } + + var level = this._levels[zoom], + map = this._map; + + if (!level) { + level = this._levels[zoom] = {}; + + level.el = create$1('div', 'leaflet-tile-container leaflet-zoom-animated', this._container); + level.el.style.zIndex = maxZoom; + + level.origin = map.project(map.unproject(map.getPixelOrigin()), zoom).round(); + level.zoom = zoom; + + this._setZoomTransform(level, map.getCenter(), map.getZoom()); + + // force the browser to consider the newly added element for transition + falseFn(level.el.offsetWidth); + + this._onCreateLevel(level); + } + + this._level = level; + + return level; + }, + + _onUpdateLevel: falseFn, + + _onRemoveLevel: falseFn, + + _onCreateLevel: falseFn, + + _pruneTiles: function () { + if (!this._map) { + return; + } + + var key, tile; + + var zoom = this._map.getZoom(); + if (zoom > this.options.maxZoom || + zoom < this.options.minZoom) { + this._removeAllTiles(); + return; + } + + for (key in this._tiles) { + tile = this._tiles[key]; + tile.retain = tile.current; + } + + for (key in this._tiles) { + tile = this._tiles[key]; + if (tile.current && !tile.active) { + var coords = tile.coords; + if (!this._retainParent(coords.x, coords.y, coords.z, coords.z - 5)) { + this._retainChildren(coords.x, coords.y, coords.z, coords.z + 2); + } + } + } + + for (key in this._tiles) { + if (!this._tiles[key].retain) { + this._removeTile(key); + } + } + }, + + _removeTilesAtZoom: function (zoom) { + for (var key in this._tiles) { + if (this._tiles[key].coords.z !== zoom) { + continue; + } + this._removeTile(key); + } + }, + + _removeAllTiles: function () { + for (var key in this._tiles) { + this._removeTile(key); + } + }, + + _invalidateAll: function () { + for (var z in this._levels) { + remove(this._levels[z].el); + this._onRemoveLevel(z); + delete this._levels[z]; + } + this._removeAllTiles(); + + this._tileZoom = undefined; + }, + + _retainParent: function (x, y, z, minZoom) { + var x2 = Math.floor(x / 2), + y2 = Math.floor(y / 2), + z2 = z - 1, + coords2 = new Point(+x2, +y2); + coords2.z = +z2; + + var key = this._tileCoordsToKey(coords2), + tile = this._tiles[key]; + + if (tile && tile.active) { + tile.retain = true; + return true; + + } else if (tile && tile.loaded) { + tile.retain = true; + } + + if (z2 > minZoom) { + return this._retainParent(x2, y2, z2, minZoom); + } + + return false; + }, + + _retainChildren: function (x, y, z, maxZoom) { + + for (var i = 2 * x; i < 2 * x + 2; i++) { + for (var j = 2 * y; j < 2 * y + 2; j++) { + + var coords = new Point(i, j); + coords.z = z + 1; + + var key = this._tileCoordsToKey(coords), + tile = this._tiles[key]; + + if (tile && tile.active) { + tile.retain = true; + continue; + + } else if (tile && tile.loaded) { + tile.retain = true; + } + + if (z + 1 < maxZoom) { + this._retainChildren(i, j, z + 1, maxZoom); + } + } + } + }, + + _resetView: function (e) { + var animating = e && (e.pinch || e.flyTo); + this._setView(this._map.getCenter(), this._map.getZoom(), animating, animating); + }, + + _animateZoom: function (e) { + this._setView(e.center, e.zoom, true, e.noUpdate); + }, + + _clampZoom: function (zoom) { + var options = this.options; + + if (undefined !== options.minNativeZoom && zoom < options.minNativeZoom) { + return options.minNativeZoom; + } + + if (undefined !== options.maxNativeZoom && options.maxNativeZoom < zoom) { + return options.maxNativeZoom; + } + + return zoom; + }, + + _setView: function (center, zoom, noPrune, noUpdate) { + var tileZoom = this._clampZoom(Math.round(zoom)); + if ((this.options.maxZoom !== undefined && tileZoom > this.options.maxZoom) || + (this.options.minZoom !== undefined && tileZoom < this.options.minZoom)) { + tileZoom = undefined; + } + + var tileZoomChanged = this.options.updateWhenZooming && (tileZoom !== this._tileZoom); + + if (!noUpdate || tileZoomChanged) { + + this._tileZoom = tileZoom; + + if (this._abortLoading) { + this._abortLoading(); + } + + this._updateLevels(); + this._resetGrid(); + + if (tileZoom !== undefined) { + this._update(center); + } + + if (!noPrune) { + this._pruneTiles(); + } + + // Flag to prevent _updateOpacity from pruning tiles during + // a zoom anim or a pinch gesture + this._noPrune = !!noPrune; + } + + this._setZoomTransforms(center, zoom); + }, + + _setZoomTransforms: function (center, zoom) { + for (var i in this._levels) { + this._setZoomTransform(this._levels[i], center, zoom); + } + }, + + _setZoomTransform: function (level, center, zoom) { + var scale = this._map.getZoomScale(zoom, level.zoom), + translate = level.origin.multiplyBy(scale) + .subtract(this._map._getNewPixelOrigin(center, zoom)).round(); + + if (any3d) { + setTransform(level.el, translate, scale); + } else { + setPosition(level.el, translate); + } + }, + + _resetGrid: function () { + var map = this._map, + crs = map.options.crs, + tileSize = this._tileSize = this.getTileSize(), + tileZoom = this._tileZoom; + + var bounds = this._map.getPixelWorldBounds(this._tileZoom); + if (bounds) { + this._globalTileRange = this._pxBoundsToTileRange(bounds); + } + + this._wrapX = crs.wrapLng && !this.options.noWrap && [ + Math.floor(map.project([0, crs.wrapLng[0]], tileZoom).x / tileSize.x), + Math.ceil(map.project([0, crs.wrapLng[1]], tileZoom).x / tileSize.y) + ]; + this._wrapY = crs.wrapLat && !this.options.noWrap && [ + Math.floor(map.project([crs.wrapLat[0], 0], tileZoom).y / tileSize.x), + Math.ceil(map.project([crs.wrapLat[1], 0], tileZoom).y / tileSize.y) + ]; + }, + + _onMoveEnd: function () { + if (!this._map || this._map._animatingZoom) { return; } + + this._update(); + }, + + _getTiledPixelBounds: function (center) { + var map = this._map, + mapZoom = map._animatingZoom ? Math.max(map._animateToZoom, map.getZoom()) : map.getZoom(), + scale = map.getZoomScale(mapZoom, this._tileZoom), + pixelCenter = map.project(center, this._tileZoom).floor(), + halfSize = map.getSize().divideBy(scale * 2); + + return new Bounds(pixelCenter.subtract(halfSize), pixelCenter.add(halfSize)); + }, + + // Private method to load tiles in the grid's active zoom level according to map bounds + _update: function (center) { + var map = this._map; + if (!map) { return; } + var zoom = this._clampZoom(map.getZoom()); + + if (center === undefined) { center = map.getCenter(); } + if (this._tileZoom === undefined) { return; } // if out of minzoom/maxzoom + + var pixelBounds = this._getTiledPixelBounds(center), + tileRange = this._pxBoundsToTileRange(pixelBounds), + tileCenter = tileRange.getCenter(), + queue = [], + margin = this.options.keepBuffer, + noPruneRange = new Bounds(tileRange.getBottomLeft().subtract([margin, -margin]), + tileRange.getTopRight().add([margin, -margin])); + + // Sanity check: panic if the tile range contains Infinity somewhere. + if (!(isFinite(tileRange.min.x) && + isFinite(tileRange.min.y) && + isFinite(tileRange.max.x) && + isFinite(tileRange.max.y))) { throw new Error('Attempted to load an infinite number of tiles'); } + + for (var key in this._tiles) { + var c = this._tiles[key].coords; + if (c.z !== this._tileZoom || !noPruneRange.contains(new Point(c.x, c.y))) { + this._tiles[key].current = false; + } + } + + // _update just loads more tiles. If the tile zoom level differs too much + // from the map's, let _setView reset levels and prune old tiles. + if (Math.abs(zoom - this._tileZoom) > 1) { this._setView(center, zoom); return; } + + // create a queue of coordinates to load tiles from + for (var j = tileRange.min.y; j <= tileRange.max.y; j++) { + for (var i = tileRange.min.x; i <= tileRange.max.x; i++) { + var coords = new Point(i, j); + coords.z = this._tileZoom; + + if (!this._isValidTile(coords)) { continue; } + + var tile = this._tiles[this._tileCoordsToKey(coords)]; + if (tile) { + tile.current = true; + } else { + queue.push(coords); + } + } + } + + // sort tile queue to load tiles in order of their distance to center + queue.sort(function (a, b) { + return a.distanceTo(tileCenter) - b.distanceTo(tileCenter); + }); + + if (queue.length !== 0) { + // if it's the first batch of tiles to load + if (!this._loading) { + this._loading = true; + // @event loading: Event + // Fired when the grid layer starts loading tiles. + this.fire('loading'); + } + + // create DOM fragment to append tiles in one batch + var fragment = document.createDocumentFragment(); + + for (i = 0; i < queue.length; i++) { + this._addTile(queue[i], fragment); + } + + this._level.el.appendChild(fragment); + } + }, + + _isValidTile: function (coords) { + var crs = this._map.options.crs; + + if (!crs.infinite) { + // don't load tile if it's out of bounds and not wrapped + var bounds = this._globalTileRange; + if ((!crs.wrapLng && (coords.x < bounds.min.x || coords.x > bounds.max.x)) || + (!crs.wrapLat && (coords.y < bounds.min.y || coords.y > bounds.max.y))) { return false; } + } + + if (!this.options.bounds) { return true; } + + // don't load tile if it doesn't intersect the bounds in options + var tileBounds = this._tileCoordsToBounds(coords); + return toLatLngBounds(this.options.bounds).overlaps(tileBounds); + }, + + _keyToBounds: function (key) { + return this._tileCoordsToBounds(this._keyToTileCoords(key)); + }, + + _tileCoordsToNwSe: function (coords) { + var map = this._map, + tileSize = this.getTileSize(), + nwPoint = coords.scaleBy(tileSize), + sePoint = nwPoint.add(tileSize), + nw = map.unproject(nwPoint, coords.z), + se = map.unproject(sePoint, coords.z); + return [nw, se]; + }, + + // converts tile coordinates to its geographical bounds + _tileCoordsToBounds: function (coords) { + var bp = this._tileCoordsToNwSe(coords), + bounds = new LatLngBounds(bp[0], bp[1]); + + if (!this.options.noWrap) { + bounds = this._map.wrapLatLngBounds(bounds); + } + return bounds; + }, + // converts tile coordinates to key for the tile cache + _tileCoordsToKey: function (coords) { + return coords.x + ':' + coords.y + ':' + coords.z; + }, + + // converts tile cache key to coordinates + _keyToTileCoords: function (key) { + var k = key.split(':'), + coords = new Point(+k[0], +k[1]); + coords.z = +k[2]; + return coords; + }, + + _removeTile: function (key) { + var tile = this._tiles[key]; + if (!tile) { return; } + + remove(tile.el); + + delete this._tiles[key]; + + // @event tileunload: TileEvent + // Fired when a tile is removed (e.g. when a tile goes off the screen). + this.fire('tileunload', { + tile: tile.el, + coords: this._keyToTileCoords(key) + }); + }, + + _initTile: function (tile) { + addClass(tile, 'leaflet-tile'); + + var tileSize = this.getTileSize(); + tile.style.width = tileSize.x + 'px'; + tile.style.height = tileSize.y + 'px'; + + tile.onselectstart = falseFn; + tile.onmousemove = falseFn; + + // update opacity on tiles in IE7-8 because of filter inheritance problems + if (ielt9 && this.options.opacity < 1) { + setOpacity(tile, this.options.opacity); + } + + // without this hack, tiles disappear after zoom on Chrome for Android + // https://github.com/Leaflet/Leaflet/issues/2078 + if (android && !android23) { + tile.style.WebkitBackfaceVisibility = 'hidden'; + } + }, + + _addTile: function (coords, container) { + var tilePos = this._getTilePos(coords), + key = this._tileCoordsToKey(coords); + + var tile = this.createTile(this._wrapCoords(coords), bind(this._tileReady, this, coords)); + + this._initTile(tile); + + // if createTile is defined with a second argument ("done" callback), + // we know that tile is async and will be ready later; otherwise + if (this.createTile.length < 2) { + // mark tile as ready, but delay one frame for opacity animation to happen + requestAnimFrame(bind(this._tileReady, this, coords, null, tile)); + } + + setPosition(tile, tilePos); + + // save tile in cache + this._tiles[key] = { + el: tile, + coords: coords, + current: true + }; + + container.appendChild(tile); + // @event tileloadstart: TileEvent + // Fired when a tile is requested and starts loading. + this.fire('tileloadstart', { + tile: tile, + coords: coords + }); + }, + + _tileReady: function (coords, err, tile) { + if (err) { + // @event tileerror: TileErrorEvent + // Fired when there is an error loading a tile. + this.fire('tileerror', { + error: err, + tile: tile, + coords: coords + }); + } + + var key = this._tileCoordsToKey(coords); + + tile = this._tiles[key]; + if (!tile) { return; } + + tile.loaded = +new Date(); + if (this._map._fadeAnimated) { + setOpacity(tile.el, 0); + cancelAnimFrame(this._fadeFrame); + this._fadeFrame = requestAnimFrame(this._updateOpacity, this); + } else { + tile.active = true; + this._pruneTiles(); + } + + if (!err) { + addClass(tile.el, 'leaflet-tile-loaded'); + + // @event tileload: TileEvent + // Fired when a tile loads. + this.fire('tileload', { + tile: tile.el, + coords: coords + }); + } + + if (this._noTilesToLoad()) { + this._loading = false; + // @event load: Event + // Fired when the grid layer loaded all visible tiles. + this.fire('load'); + + if (ielt9 || !this._map._fadeAnimated) { + requestAnimFrame(this._pruneTiles, this); + } else { + // Wait a bit more than 0.2 secs (the duration of the tile fade-in) + // to trigger a pruning. + setTimeout(bind(this._pruneTiles, this), 250); + } + } + }, + + _getTilePos: function (coords) { + return coords.scaleBy(this.getTileSize()).subtract(this._level.origin); + }, + + _wrapCoords: function (coords) { + var newCoords = new Point( + this._wrapX ? wrapNum(coords.x, this._wrapX) : coords.x, + this._wrapY ? wrapNum(coords.y, this._wrapY) : coords.y); + newCoords.z = coords.z; + return newCoords; + }, + + _pxBoundsToTileRange: function (bounds) { + var tileSize = this.getTileSize(); + return new Bounds( + bounds.min.unscaleBy(tileSize).floor(), + bounds.max.unscaleBy(tileSize).ceil().subtract([1, 1])); + }, + + _noTilesToLoad: function () { + for (var key in this._tiles) { + if (!this._tiles[key].loaded) { return false; } + } + return true; + } +}); + +// @factory L.gridLayer(options?: GridLayer options) +// Creates a new instance of GridLayer with the supplied options. +function gridLayer(options) { + return new GridLayer(options); +} + /* * @class TileLayer * @inherits GridLayer @@ -11640,8 +11640,8 @@ var TileLayer = GridLayer.extend({ function tileLayer(url, options) { return new TileLayer(url, options); -} - +} + /* * @class TileLayer.WMS * @inherits TileLayer @@ -11772,2099 +11772,2099 @@ var TileLayerWMS = TileLayer.extend({ // Instantiates a WMS tile layer object given a base URL of the WMS service and a WMS parameters/options object. function tileLayerWMS(url, options) { return new TileLayerWMS(url, options); -} - -TileLayer.WMS = TileLayerWMS; -tileLayer.wms = tileLayerWMS; - -/* - * @class Renderer - * @inherits Layer - * @aka L.Renderer - * - * Base class for vector renderer implementations (`SVG`, `Canvas`). Handles the - * DOM container of the renderer, its bounds, and its zoom animation. - * - * A `Renderer` works as an implicit layer group for all `Path`s - the renderer - * itself can be added or removed to the map. All paths use a renderer, which can - * be implicit (the map will decide the type of renderer and use it automatically) - * or explicit (using the [`renderer`](#path-renderer) option of the path). - * - * Do not use this class directly, use `SVG` and `Canvas` instead. - * - * @event update: Event - * Fired when the renderer updates its bounds, center and zoom, for example when - * its map has moved - */ - -var Renderer = Layer.extend({ - - // @section - // @aka Renderer options - options: { - // @option padding: Number = 0.1 - // How much to extend the clip area around the map view (relative to its size) - // e.g. 0.1 would be 10% of map view in each direction - padding: 0.1, - - // @option tolerance: Number = 0 - // How much to extend click tolerance round a path/object on the map - tolerance : 0 - }, - - initialize: function (options) { - setOptions(this, options); - stamp(this); - this._layers = this._layers || {}; - }, - - onAdd: function () { - if (!this._container) { - this._initContainer(); // defined by renderer implementations - - if (this._zoomAnimated) { - addClass(this._container, 'leaflet-zoom-animated'); - } - } - - this.getPane().appendChild(this._container); - this._update(); - this.on('update', this._updatePaths, this); - }, - - onRemove: function () { - this.off('update', this._updatePaths, this); - this._destroyContainer(); - }, - - getEvents: function () { - var events = { - viewreset: this._reset, - zoom: this._onZoom, - moveend: this._update, - zoomend: this._onZoomEnd - }; - if (this._zoomAnimated) { - events.zoomanim = this._onAnimZoom; - } - return events; - }, - - _onAnimZoom: function (ev) { - this._updateTransform(ev.center, ev.zoom); - }, - - _onZoom: function () { - this._updateTransform(this._map.getCenter(), this._map.getZoom()); - }, - - _updateTransform: function (center, zoom) { - var scale = this._map.getZoomScale(zoom, this._zoom), - position = getPosition(this._container), - viewHalf = this._map.getSize().multiplyBy(0.5 + this.options.padding), - currentCenterPoint = this._map.project(this._center, zoom), - destCenterPoint = this._map.project(center, zoom), - centerOffset = destCenterPoint.subtract(currentCenterPoint), - - topLeftOffset = viewHalf.multiplyBy(-scale).add(position).add(viewHalf).subtract(centerOffset); - - if (any3d) { - setTransform(this._container, topLeftOffset, scale); - } else { - setPosition(this._container, topLeftOffset); - } - }, - - _reset: function () { - this._update(); - this._updateTransform(this._center, this._zoom); - - for (var id in this._layers) { - this._layers[id]._reset(); - } - }, - - _onZoomEnd: function () { - for (var id in this._layers) { - this._layers[id]._project(); - } - }, - - _updatePaths: function () { - for (var id in this._layers) { - this._layers[id]._update(); - } - }, - - _update: function () { - // Update pixel bounds of renderer container (for positioning/sizing/clipping later) - // Subclasses are responsible of firing the 'update' event. - var p = this.options.padding, - size = this._map.getSize(), - min = this._map.containerPointToLayerPoint(size.multiplyBy(-p)).round(); - - this._bounds = new Bounds(min, min.add(size.multiplyBy(1 + p * 2)).round()); - - this._center = this._map.getCenter(); - this._zoom = this._map.getZoom(); - } -}); - -/* - * @class Canvas - * @inherits Renderer - * @aka L.Canvas - * - * Allows vector layers to be displayed with [``](https://developer.mozilla.org/docs/Web/API/Canvas_API). - * Inherits `Renderer`. - * - * Due to [technical limitations](http://caniuse.com/#search=canvas), Canvas is not - * available in all web browsers, notably IE8, and overlapping geometries might - * not display properly in some edge cases. - * - * @example - * - * Use Canvas by default for all paths in the map: - * - * ```js - * var map = L.map('map', { - * renderer: L.canvas() - * }); - * ``` - * - * Use a Canvas renderer with extra padding for specific vector geometries: - * - * ```js - * var map = L.map('map'); - * var myRenderer = L.canvas({ padding: 0.5 }); - * var line = L.polyline( coordinates, { renderer: myRenderer } ); - * var circle = L.circle( center, { renderer: myRenderer } ); - * ``` - */ - -var Canvas = Renderer.extend({ - getEvents: function () { - var events = Renderer.prototype.getEvents.call(this); - events.viewprereset = this._onViewPreReset; - return events; - }, - - _onViewPreReset: function () { - // Set a flag so that a viewprereset+moveend+viewreset only updates&redraws once - this._postponeUpdatePaths = true; - }, - - onAdd: function () { - Renderer.prototype.onAdd.call(this); - - // Redraw vectors since canvas is cleared upon removal, - // in case of removing the renderer itself from the map. - this._draw(); - }, - - _initContainer: function () { - var container = this._container = document.createElement('canvas'); - - on(container, 'mousemove', throttle(this._onMouseMove, 32, this), this); - on(container, 'click dblclick mousedown mouseup contextmenu', this._onClick, this); - on(container, 'mouseout', this._handleMouseOut, this); - - this._ctx = container.getContext('2d'); - }, - - _destroyContainer: function () { - cancelAnimFrame(this._redrawRequest); - delete this._ctx; - remove(this._container); - off(this._container); - delete this._container; - }, - - _updatePaths: function () { - if (this._postponeUpdatePaths) { return; } - - var layer; - this._redrawBounds = null; - for (var id in this._layers) { - layer = this._layers[id]; - layer._update(); - } - this._redraw(); - }, - - _update: function () { - if (this._map._animatingZoom && this._bounds) { return; } - - this._drawnLayers = {}; - - Renderer.prototype._update.call(this); - - var b = this._bounds, - container = this._container, - size = b.getSize(), - m = retina ? 2 : 1; - - setPosition(container, b.min); - - // set canvas size (also clearing it); use double size on retina - container.width = m * size.x; - container.height = m * size.y; - container.style.width = size.x + 'px'; - container.style.height = size.y + 'px'; - - if (retina) { - this._ctx.scale(2, 2); - } - - // translate so we use the same path coordinates after canvas element moves - this._ctx.translate(-b.min.x, -b.min.y); - - // Tell paths to redraw themselves - this.fire('update'); - }, - - _reset: function () { - Renderer.prototype._reset.call(this); - - if (this._postponeUpdatePaths) { - this._postponeUpdatePaths = false; - this._updatePaths(); - } - }, - - _initPath: function (layer) { - this._updateDashArray(layer); - this._layers[stamp(layer)] = layer; - - var order = layer._order = { - layer: layer, - prev: this._drawLast, - next: null - }; - if (this._drawLast) { this._drawLast.next = order; } - this._drawLast = order; - this._drawFirst = this._drawFirst || this._drawLast; - }, - - _addPath: function (layer) { - this._requestRedraw(layer); - }, - - _removePath: function (layer) { - var order = layer._order; - var next = order.next; - var prev = order.prev; - - if (next) { - next.prev = prev; - } else { - this._drawLast = prev; - } - if (prev) { - prev.next = next; - } else { - this._drawFirst = next; - } - - delete this._drawnLayers[layer._leaflet_id]; - - delete layer._order; - - delete this._layers[stamp(layer)]; - - this._requestRedraw(layer); - }, - - _updatePath: function (layer) { - // Redraw the union of the layer's old pixel - // bounds and the new pixel bounds. - this._extendRedrawBounds(layer); - layer._project(); - layer._update(); - // The redraw will extend the redraw bounds - // with the new pixel bounds. - this._requestRedraw(layer); - }, - - _updateStyle: function (layer) { - this._updateDashArray(layer); - this._requestRedraw(layer); - }, - - _updateDashArray: function (layer) { - if (typeof layer.options.dashArray === 'string') { - var parts = layer.options.dashArray.split(/[, ]+/), - dashArray = [], - i; - for (i = 0; i < parts.length; i++) { - dashArray.push(Number(parts[i])); - } - layer.options._dashArray = dashArray; - } else { - layer.options._dashArray = layer.options.dashArray; - } - }, - - _requestRedraw: function (layer) { - if (!this._map) { return; } - - this._extendRedrawBounds(layer); - this._redrawRequest = this._redrawRequest || requestAnimFrame(this._redraw, this); - }, - - _extendRedrawBounds: function (layer) { - if (layer._pxBounds) { - var padding = (layer.options.weight || 0) + 1; - this._redrawBounds = this._redrawBounds || new Bounds(); - this._redrawBounds.extend(layer._pxBounds.min.subtract([padding, padding])); - this._redrawBounds.extend(layer._pxBounds.max.add([padding, padding])); - } - }, - - _redraw: function () { - this._redrawRequest = null; - - if (this._redrawBounds) { - this._redrawBounds.min._floor(); - this._redrawBounds.max._ceil(); - } - - this._clear(); // clear layers in redraw bounds - this._draw(); // draw layers - - this._redrawBounds = null; - }, - - _clear: function () { - var bounds = this._redrawBounds; - if (bounds) { - var size = bounds.getSize(); - this._ctx.clearRect(bounds.min.x, bounds.min.y, size.x, size.y); - } else { - this._ctx.clearRect(0, 0, this._container.width, this._container.height); - } - }, - - _draw: function () { - var layer, bounds = this._redrawBounds; - this._ctx.save(); - if (bounds) { - var size = bounds.getSize(); - this._ctx.beginPath(); - this._ctx.rect(bounds.min.x, bounds.min.y, size.x, size.y); - this._ctx.clip(); - } - - this._drawing = true; - - for (var order = this._drawFirst; order; order = order.next) { - layer = order.layer; - if (!bounds || (layer._pxBounds && layer._pxBounds.intersects(bounds))) { - layer._updatePath(); - } - } - - this._drawing = false; - - this._ctx.restore(); // Restore state before clipping. - }, - - _updatePoly: function (layer, closed) { - if (!this._drawing) { return; } - - var i, j, len2, p, - parts = layer._parts, - len = parts.length, - ctx = this._ctx; - - if (!len) { return; } - - this._drawnLayers[layer._leaflet_id] = layer; - - ctx.beginPath(); - - for (i = 0; i < len; i++) { - for (j = 0, len2 = parts[i].length; j < len2; j++) { - p = parts[i][j]; - ctx[j ? 'lineTo' : 'moveTo'](p.x, p.y); - } - if (closed) { - ctx.closePath(); - } - } - - this._fillStroke(ctx, layer); - - // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature - }, - - _updateCircle: function (layer) { - - if (!this._drawing || layer._empty()) { return; } - - var p = layer._point, - ctx = this._ctx, - r = Math.max(Math.round(layer._radius), 1), - s = (Math.max(Math.round(layer._radiusY), 1) || r) / r; - - this._drawnLayers[layer._leaflet_id] = layer; - - if (s !== 1) { - ctx.save(); - ctx.scale(1, s); - } - - ctx.beginPath(); - ctx.arc(p.x, p.y / s, r, 0, Math.PI * 2, false); - - if (s !== 1) { - ctx.restore(); - } - - this._fillStroke(ctx, layer); - }, - - _fillStroke: function (ctx, layer) { - var options = layer.options; - - if (options.fill) { - ctx.globalAlpha = options.fillOpacity; - ctx.fillStyle = options.fillColor || options.color; - ctx.fill(options.fillRule || 'evenodd'); - } - - if (options.stroke && options.weight !== 0) { - if (ctx.setLineDash) { - ctx.setLineDash(layer.options && layer.options._dashArray || []); - } - ctx.globalAlpha = options.opacity; - ctx.lineWidth = options.weight; - ctx.strokeStyle = options.color; - ctx.lineCap = options.lineCap; - ctx.lineJoin = options.lineJoin; - ctx.stroke(); - } - }, - - // Canvas obviously doesn't have mouse events for individual drawn objects, - // so we emulate that by calculating what's under the mouse on mousemove/click manually - - _onClick: function (e) { - var point = this._map.mouseEventToLayerPoint(e), layer, clickedLayer; - - for (var order = this._drawFirst; order; order = order.next) { - layer = order.layer; - if (layer.options.interactive && layer._containsPoint(point) && !this._map._draggableMoved(layer)) { - clickedLayer = layer; - } - } - if (clickedLayer) { - fakeStop(e); - this._fireEvent([clickedLayer], e); - } - }, - - _onMouseMove: function (e) { - if (!this._map || this._map.dragging.moving() || this._map._animatingZoom) { return; } - - var point = this._map.mouseEventToLayerPoint(e); - this._handleMouseHover(e, point); - }, - - - _handleMouseOut: function (e) { - var layer = this._hoveredLayer; - if (layer) { - // if we're leaving the layer, fire mouseout - removeClass(this._container, 'leaflet-interactive'); - this._fireEvent([layer], e, 'mouseout'); - this._hoveredLayer = null; - } - }, - - _handleMouseHover: function (e, point) { - var layer, candidateHoveredLayer; - - for (var order = this._drawFirst; order; order = order.next) { - layer = order.layer; - if (layer.options.interactive && layer._containsPoint(point)) { - candidateHoveredLayer = layer; - } - } - - if (candidateHoveredLayer !== this._hoveredLayer) { - this._handleMouseOut(e); - - if (candidateHoveredLayer) { - addClass(this._container, 'leaflet-interactive'); // change cursor - this._fireEvent([candidateHoveredLayer], e, 'mouseover'); - this._hoveredLayer = candidateHoveredLayer; - } - } - - if (this._hoveredLayer) { - this._fireEvent([this._hoveredLayer], e); - } - }, - - _fireEvent: function (layers, e, type) { - this._map._fireDOMEvent(e, type || e.type, layers); - }, - - _bringToFront: function (layer) { - var order = layer._order; - var next = order.next; - var prev = order.prev; - - if (next) { - next.prev = prev; - } else { - // Already last - return; - } - if (prev) { - prev.next = next; - } else if (next) { - // Update first entry unless this is the - // single entry - this._drawFirst = next; - } - - order.prev = this._drawLast; - this._drawLast.next = order; - - order.next = null; - this._drawLast = order; - - this._requestRedraw(layer); - }, - - _bringToBack: function (layer) { - var order = layer._order; - var next = order.next; - var prev = order.prev; - - if (prev) { - prev.next = next; - } else { - // Already first - return; - } - if (next) { - next.prev = prev; - } else if (prev) { - // Update last entry unless this is the - // single entry - this._drawLast = prev; - } - - order.prev = null; - - order.next = this._drawFirst; - this._drawFirst.prev = order; - this._drawFirst = order; - - this._requestRedraw(layer); - } -}); - -// @factory L.canvas(options?: Renderer options) -// Creates a Canvas renderer with the given options. -function canvas$1(options) { - return canvas ? new Canvas(options) : null; -} - -/* - * Thanks to Dmitry Baranovsky and his Raphael library for inspiration! - */ - - -var vmlCreate = (function () { - try { - document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml'); - return function (name) { - return document.createElement(''); - }; - } catch (e) { - return function (name) { - return document.createElement('<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">'); - }; - } -})(); - - -/* - * @class SVG - * - * Although SVG is not available on IE7 and IE8, these browsers support [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language), and the SVG renderer will fall back to VML in this case. - * - * VML was deprecated in 2012, which means VML functionality exists only for backwards compatibility - * with old versions of Internet Explorer. - */ - -// mixin to redefine some SVG methods to handle VML syntax which is similar but with some differences -var vmlMixin = { - - _initContainer: function () { - this._container = create$1('div', 'leaflet-vml-container'); - }, - - _update: function () { - if (this._map._animatingZoom) { return; } - Renderer.prototype._update.call(this); - this.fire('update'); - }, - - _initPath: function (layer) { - var container = layer._container = vmlCreate('shape'); - - addClass(container, 'leaflet-vml-shape ' + (this.options.className || '')); - - container.coordsize = '1 1'; - - layer._path = vmlCreate('path'); - container.appendChild(layer._path); - - this._updateStyle(layer); - this._layers[stamp(layer)] = layer; - }, - - _addPath: function (layer) { - var container = layer._container; - this._container.appendChild(container); - - if (layer.options.interactive) { - layer.addInteractiveTarget(container); - } - }, - - _removePath: function (layer) { - var container = layer._container; - remove(container); - layer.removeInteractiveTarget(container); - delete this._layers[stamp(layer)]; - }, - - _updateStyle: function (layer) { - var stroke = layer._stroke, - fill = layer._fill, - options = layer.options, - container = layer._container; - - container.stroked = !!options.stroke; - container.filled = !!options.fill; - - if (options.stroke) { - if (!stroke) { - stroke = layer._stroke = vmlCreate('stroke'); - } - container.appendChild(stroke); - stroke.weight = options.weight + 'px'; - stroke.color = options.color; - stroke.opacity = options.opacity; - - if (options.dashArray) { - stroke.dashStyle = isArray(options.dashArray) ? - options.dashArray.join(' ') : - options.dashArray.replace(/( *, *)/g, ' '); - } else { - stroke.dashStyle = ''; - } - stroke.endcap = options.lineCap.replace('butt', 'flat'); - stroke.joinstyle = options.lineJoin; - - } else if (stroke) { - container.removeChild(stroke); - layer._stroke = null; - } - - if (options.fill) { - if (!fill) { - fill = layer._fill = vmlCreate('fill'); - } - container.appendChild(fill); - fill.color = options.fillColor || options.color; - fill.opacity = options.fillOpacity; - - } else if (fill) { - container.removeChild(fill); - layer._fill = null; - } - }, - - _updateCircle: function (layer) { - var p = layer._point.round(), - r = Math.round(layer._radius), - r2 = Math.round(layer._radiusY || r); - - this._setPath(layer, layer._empty() ? 'M0 0' : - 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r2 + ' 0,' + (65535 * 360)); - }, - - _setPath: function (layer, path) { - layer._path.v = path; - }, - - _bringToFront: function (layer) { - toFront(layer._container); - }, - - _bringToBack: function (layer) { - toBack(layer._container); - } -}; - -var create$2 = vml ? vmlCreate : svgCreate; - -/* - * @class SVG - * @inherits Renderer - * @aka L.SVG - * - * Allows vector layers to be displayed with [SVG](https://developer.mozilla.org/docs/Web/SVG). - * Inherits `Renderer`. - * - * Due to [technical limitations](http://caniuse.com/#search=svg), SVG is not - * available in all web browsers, notably Android 2.x and 3.x. - * - * Although SVG is not available on IE7 and IE8, these browsers support - * [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language) - * (a now deprecated technology), and the SVG renderer will fall back to VML in - * this case. - * - * @example - * - * Use SVG by default for all paths in the map: - * - * ```js - * var map = L.map('map', { - * renderer: L.svg() - * }); - * ``` - * - * Use a SVG renderer with extra padding for specific vector geometries: - * - * ```js - * var map = L.map('map'); - * var myRenderer = L.svg({ padding: 0.5 }); - * var line = L.polyline( coordinates, { renderer: myRenderer } ); - * var circle = L.circle( center, { renderer: myRenderer } ); - * ``` - */ - -var SVG = Renderer.extend({ - - getEvents: function () { - var events = Renderer.prototype.getEvents.call(this); - events.zoomstart = this._onZoomStart; - return events; - }, - - _initContainer: function () { - this._container = create$2('svg'); - - // makes it possible to click through svg root; we'll reset it back in individual paths - this._container.setAttribute('pointer-events', 'none'); - - this._rootGroup = create$2('g'); - this._container.appendChild(this._rootGroup); - }, - - _destroyContainer: function () { - remove(this._container); - off(this._container); - delete this._container; - delete this._rootGroup; - delete this._svgSize; - }, - - _onZoomStart: function () { - // Drag-then-pinch interactions might mess up the center and zoom. - // In this case, the easiest way to prevent this is re-do the renderer - // bounds and padding when the zooming starts. - this._update(); - }, - - _update: function () { - if (this._map._animatingZoom && this._bounds) { return; } - - Renderer.prototype._update.call(this); - - var b = this._bounds, - size = b.getSize(), - container = this._container; - - // set size of svg-container if changed - if (!this._svgSize || !this._svgSize.equals(size)) { - this._svgSize = size; - container.setAttribute('width', size.x); - container.setAttribute('height', size.y); - } - - // movement: update container viewBox so that we don't have to change coordinates of individual layers - setPosition(container, b.min); - container.setAttribute('viewBox', [b.min.x, b.min.y, size.x, size.y].join(' ')); - - this.fire('update'); - }, - - // methods below are called by vector layers implementations - - _initPath: function (layer) { - var path = layer._path = create$2('path'); - - // @namespace Path - // @option className: String = null - // Custom class name set on an element. Only for SVG renderer. - if (layer.options.className) { - addClass(path, layer.options.className); - } - - if (layer.options.interactive) { - addClass(path, 'leaflet-interactive'); - } - - this._updateStyle(layer); - this._layers[stamp(layer)] = layer; - }, - - _addPath: function (layer) { - if (!this._rootGroup) { this._initContainer(); } - this._rootGroup.appendChild(layer._path); - layer.addInteractiveTarget(layer._path); - }, - - _removePath: function (layer) { - remove(layer._path); - layer.removeInteractiveTarget(layer._path); - delete this._layers[stamp(layer)]; - }, - - _updatePath: function (layer) { - layer._project(); - layer._update(); - }, - - _updateStyle: function (layer) { - var path = layer._path, - options = layer.options; - - if (!path) { return; } - - if (options.stroke) { - path.setAttribute('stroke', options.color); - path.setAttribute('stroke-opacity', options.opacity); - path.setAttribute('stroke-width', options.weight); - path.setAttribute('stroke-linecap', options.lineCap); - path.setAttribute('stroke-linejoin', options.lineJoin); - - if (options.dashArray) { - path.setAttribute('stroke-dasharray', options.dashArray); - } else { - path.removeAttribute('stroke-dasharray'); - } - - if (options.dashOffset) { - path.setAttribute('stroke-dashoffset', options.dashOffset); - } else { - path.removeAttribute('stroke-dashoffset'); - } - } else { - path.setAttribute('stroke', 'none'); - } - - if (options.fill) { - path.setAttribute('fill', options.fillColor || options.color); - path.setAttribute('fill-opacity', options.fillOpacity); - path.setAttribute('fill-rule', options.fillRule || 'evenodd'); - } else { - path.setAttribute('fill', 'none'); - } - }, - - _updatePoly: function (layer, closed) { - this._setPath(layer, pointsToPath(layer._parts, closed)); - }, - - _updateCircle: function (layer) { - var p = layer._point, - r = Math.max(Math.round(layer._radius), 1), - r2 = Math.max(Math.round(layer._radiusY), 1) || r, - arc = 'a' + r + ',' + r2 + ' 0 1,0 '; - - // drawing a circle with two half-arcs - var d = layer._empty() ? 'M0 0' : - 'M' + (p.x - r) + ',' + p.y + - arc + (r * 2) + ',0 ' + - arc + (-r * 2) + ',0 '; - - this._setPath(layer, d); - }, - - _setPath: function (layer, path) { - layer._path.setAttribute('d', path); - }, - - // SVG does not have the concept of zIndex so we resort to changing the DOM order of elements - _bringToFront: function (layer) { - toFront(layer._path); - }, - - _bringToBack: function (layer) { - toBack(layer._path); - } -}); - -if (vml) { - SVG.include(vmlMixin); -} - -// @namespace SVG -// @factory L.svg(options?: Renderer options) -// Creates a SVG renderer with the given options. -function svg$1(options) { - return svg || vml ? new SVG(options) : null; -} - -Map.include({ - // @namespace Map; @method getRenderer(layer: Path): Renderer - // Returns the instance of `Renderer` that should be used to render the given - // `Path`. It will ensure that the `renderer` options of the map and paths - // are respected, and that the renderers do exist on the map. - getRenderer: function (layer) { - // @namespace Path; @option renderer: Renderer - // Use this specific instance of `Renderer` for this path. Takes - // precedence over the map's [default renderer](#map-renderer). - var renderer = layer.options.renderer || this._getPaneRenderer(layer.options.pane) || this.options.renderer || this._renderer; - - if (!renderer) { - renderer = this._renderer = this._createRenderer(); - } - - if (!this.hasLayer(renderer)) { - this.addLayer(renderer); - } - return renderer; - }, - - _getPaneRenderer: function (name) { - if (name === 'overlayPane' || name === undefined) { - return false; - } - - var renderer = this._paneRenderers[name]; - if (renderer === undefined) { - renderer = this._createRenderer({pane: name}); - this._paneRenderers[name] = renderer; - } - return renderer; - }, - - _createRenderer: function (options) { - // @namespace Map; @option preferCanvas: Boolean = false - // Whether `Path`s should be rendered on a `Canvas` renderer. - // By default, all `Path`s are rendered in a `SVG` renderer. - return (this.options.preferCanvas && canvas$1(options)) || svg$1(options); - } -}); - -/* - * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object. - */ - -/* - * @class Rectangle - * @aka L.Rectangle - * @inherits Polygon - * - * A class for drawing rectangle overlays on a map. Extends `Polygon`. - * - * @example - * - * ```js - * // define rectangle geographical bounds - * var bounds = [[54.559322, -5.767822], [56.1210604, -3.021240]]; - * - * // create an orange rectangle - * L.rectangle(bounds, {color: "#ff7800", weight: 1}).addTo(map); - * - * // zoom the map to the rectangle bounds - * map.fitBounds(bounds); - * ``` - * - */ - - -var Rectangle = Polygon.extend({ - initialize: function (latLngBounds, options) { - Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options); - }, - - // @method setBounds(latLngBounds: LatLngBounds): this - // Redraws the rectangle with the passed bounds. - setBounds: function (latLngBounds) { - return this.setLatLngs(this._boundsToLatLngs(latLngBounds)); - }, - - _boundsToLatLngs: function (latLngBounds) { - latLngBounds = toLatLngBounds(latLngBounds); - return [ - latLngBounds.getSouthWest(), - latLngBounds.getNorthWest(), - latLngBounds.getNorthEast(), - latLngBounds.getSouthEast() - ]; - } -}); - - -// @factory L.rectangle(latLngBounds: LatLngBounds, options?: Polyline options) -function rectangle(latLngBounds, options) { - return new Rectangle(latLngBounds, options); -} - -SVG.create = create$2; -SVG.pointsToPath = pointsToPath; - -GeoJSON.geometryToLayer = geometryToLayer; -GeoJSON.coordsToLatLng = coordsToLatLng; -GeoJSON.coordsToLatLngs = coordsToLatLngs; -GeoJSON.latLngToCoords = latLngToCoords; -GeoJSON.latLngsToCoords = latLngsToCoords; -GeoJSON.getFeature = getFeature; -GeoJSON.asFeature = asFeature; - -/* - * L.Handler.BoxZoom is used to add shift-drag zoom interaction to the map - * (zoom to a selected bounding box), enabled by default. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @option boxZoom: Boolean = true - // Whether the map can be zoomed to a rectangular area specified by - // dragging the mouse while pressing the shift key. - boxZoom: true -}); - -var BoxZoom = Handler.extend({ - initialize: function (map) { - this._map = map; - this._container = map._container; - this._pane = map._panes.overlayPane; - this._resetStateTimeout = 0; - map.on('unload', this._destroy, this); - }, - - addHooks: function () { - on(this._container, 'mousedown', this._onMouseDown, this); - }, - - removeHooks: function () { - off(this._container, 'mousedown', this._onMouseDown, this); - }, - - moved: function () { - return this._moved; - }, - - _destroy: function () { - remove(this._pane); - delete this._pane; - }, - - _resetState: function () { - this._resetStateTimeout = 0; - this._moved = false; - }, - - _clearDeferredResetState: function () { - if (this._resetStateTimeout !== 0) { - clearTimeout(this._resetStateTimeout); - this._resetStateTimeout = 0; - } - }, - - _onMouseDown: function (e) { - if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; } - - // Clear the deferred resetState if it hasn't executed yet, otherwise it - // will interrupt the interaction and orphan a box element in the container. - this._clearDeferredResetState(); - this._resetState(); - - disableTextSelection(); - disableImageDrag(); - - this._startPoint = this._map.mouseEventToContainerPoint(e); - - on(document, { - contextmenu: stop, - mousemove: this._onMouseMove, - mouseup: this._onMouseUp, - keydown: this._onKeyDown - }, this); - }, - - _onMouseMove: function (e) { - if (!this._moved) { - this._moved = true; - - this._box = create$1('div', 'leaflet-zoom-box', this._container); - addClass(this._container, 'leaflet-crosshair'); - - this._map.fire('boxzoomstart'); - } - - this._point = this._map.mouseEventToContainerPoint(e); - - var bounds = new Bounds(this._point, this._startPoint), - size = bounds.getSize(); - - setPosition(this._box, bounds.min); - - this._box.style.width = size.x + 'px'; - this._box.style.height = size.y + 'px'; - }, - - _finish: function () { - if (this._moved) { - remove(this._box); - removeClass(this._container, 'leaflet-crosshair'); - } - - enableTextSelection(); - enableImageDrag(); - - off(document, { - contextmenu: stop, - mousemove: this._onMouseMove, - mouseup: this._onMouseUp, - keydown: this._onKeyDown - }, this); - }, - - _onMouseUp: function (e) { - if ((e.which !== 1) && (e.button !== 1)) { return; } - - this._finish(); - - if (!this._moved) { return; } - // Postpone to next JS tick so internal click event handling - // still see it as "moved". - this._clearDeferredResetState(); - this._resetStateTimeout = setTimeout(bind(this._resetState, this), 0); - - var bounds = new LatLngBounds( - this._map.containerPointToLatLng(this._startPoint), - this._map.containerPointToLatLng(this._point)); - - this._map - .fitBounds(bounds) - .fire('boxzoomend', {boxZoomBounds: bounds}); - }, - - _onKeyDown: function (e) { - if (e.keyCode === 27) { - this._finish(); - } - } -}); - -// @section Handlers -// @property boxZoom: Handler -// Box (shift-drag with mouse) zoom handler. -Map.addInitHook('addHandler', 'boxZoom', BoxZoom); - -/* - * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default. - */ - -// @namespace Map -// @section Interaction Options - -Map.mergeOptions({ - // @option doubleClickZoom: Boolean|String = true - // Whether the map can be zoomed in by double clicking on it and - // zoomed out by double clicking while holding shift. If passed - // `'center'`, double-click zoom will zoom to the center of the - // view regardless of where the mouse was. - doubleClickZoom: true -}); - -var DoubleClickZoom = Handler.extend({ - addHooks: function () { - this._map.on('dblclick', this._onDoubleClick, this); - }, - - removeHooks: function () { - this._map.off('dblclick', this._onDoubleClick, this); - }, - - _onDoubleClick: function (e) { - var map = this._map, - oldZoom = map.getZoom(), - delta = map.options.zoomDelta, - zoom = e.originalEvent.shiftKey ? oldZoom - delta : oldZoom + delta; - - if (map.options.doubleClickZoom === 'center') { - map.setZoom(zoom); - } else { - map.setZoomAround(e.containerPoint, zoom); - } - } -}); - -// @section Handlers -// -// Map properties include interaction handlers that allow you to control -// interaction behavior in runtime, enabling or disabling certain features such -// as dragging or touch zoom (see `Handler` methods). For example: -// -// ```js -// map.doubleClickZoom.disable(); -// ``` -// -// @property doubleClickZoom: Handler -// Double click zoom handler. -Map.addInitHook('addHandler', 'doubleClickZoom', DoubleClickZoom); - -/* - * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @option dragging: Boolean = true - // Whether the map be draggable with mouse/touch or not. - dragging: true, - - // @section Panning Inertia Options - // @option inertia: Boolean = * - // If enabled, panning of the map will have an inertia effect where - // the map builds momentum while dragging and continues moving in - // the same direction for some time. Feels especially nice on touch - // devices. Enabled by default unless running on old Android devices. - inertia: !android23, - - // @option inertiaDeceleration: Number = 3000 - // The rate with which the inertial movement slows down, in pixels/second². - inertiaDeceleration: 3400, // px/s^2 - - // @option inertiaMaxSpeed: Number = Infinity - // Max speed of the inertial movement, in pixels/second. - inertiaMaxSpeed: Infinity, // px/s - - // @option easeLinearity: Number = 0.2 - easeLinearity: 0.2, - - // TODO refactor, move to CRS - // @option worldCopyJump: Boolean = false - // With this option enabled, the map tracks when you pan to another "copy" - // of the world and seamlessly jumps to the original one so that all overlays - // like markers and vector layers are still visible. - worldCopyJump: false, - - // @option maxBoundsViscosity: Number = 0.0 - // If `maxBounds` is set, this option will control how solid the bounds - // are when dragging the map around. The default value of `0.0` allows the - // user to drag outside the bounds at normal speed, higher values will - // slow down map dragging outside bounds, and `1.0` makes the bounds fully - // solid, preventing the user from dragging outside the bounds. - maxBoundsViscosity: 0.0 -}); - -var Drag = Handler.extend({ - addHooks: function () { - if (!this._draggable) { - var map = this._map; - - this._draggable = new Draggable(map._mapPane, map._container); - - this._draggable.on({ - dragstart: this._onDragStart, - drag: this._onDrag, - dragend: this._onDragEnd - }, this); - - this._draggable.on('predrag', this._onPreDragLimit, this); - if (map.options.worldCopyJump) { - this._draggable.on('predrag', this._onPreDragWrap, this); - map.on('zoomend', this._onZoomEnd, this); - - map.whenReady(this._onZoomEnd, this); - } - } - addClass(this._map._container, 'leaflet-grab leaflet-touch-drag'); - this._draggable.enable(); - this._positions = []; - this._times = []; - }, - - removeHooks: function () { - removeClass(this._map._container, 'leaflet-grab'); - removeClass(this._map._container, 'leaflet-touch-drag'); - this._draggable.disable(); - }, - - moved: function () { - return this._draggable && this._draggable._moved; - }, - - moving: function () { - return this._draggable && this._draggable._moving; - }, - - _onDragStart: function () { - var map = this._map; - - map._stop(); - if (this._map.options.maxBounds && this._map.options.maxBoundsViscosity) { - var bounds = toLatLngBounds(this._map.options.maxBounds); - - this._offsetLimit = toBounds( - this._map.latLngToContainerPoint(bounds.getNorthWest()).multiplyBy(-1), - this._map.latLngToContainerPoint(bounds.getSouthEast()).multiplyBy(-1) - .add(this._map.getSize())); - - this._viscosity = Math.min(1.0, Math.max(0.0, this._map.options.maxBoundsViscosity)); - } else { - this._offsetLimit = null; - } - - map - .fire('movestart') - .fire('dragstart'); - - if (map.options.inertia) { - this._positions = []; - this._times = []; - } - }, - - _onDrag: function (e) { - if (this._map.options.inertia) { - var time = this._lastTime = +new Date(), - pos = this._lastPos = this._draggable._absPos || this._draggable._newPos; - - this._positions.push(pos); - this._times.push(time); - - this._prunePositions(time); - } - - this._map - .fire('move', e) - .fire('drag', e); - }, - - _prunePositions: function (time) { - while (this._positions.length > 1 && time - this._times[0] > 50) { - this._positions.shift(); - this._times.shift(); - } - }, - - _onZoomEnd: function () { - var pxCenter = this._map.getSize().divideBy(2), - pxWorldCenter = this._map.latLngToLayerPoint([0, 0]); - - this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x; - this._worldWidth = this._map.getPixelWorldBounds().getSize().x; - }, - - _viscousLimit: function (value, threshold) { - return value - (value - threshold) * this._viscosity; - }, - - _onPreDragLimit: function () { - if (!this._viscosity || !this._offsetLimit) { return; } - - var offset = this._draggable._newPos.subtract(this._draggable._startPos); - - var limit = this._offsetLimit; - if (offset.x < limit.min.x) { offset.x = this._viscousLimit(offset.x, limit.min.x); } - if (offset.y < limit.min.y) { offset.y = this._viscousLimit(offset.y, limit.min.y); } - if (offset.x > limit.max.x) { offset.x = this._viscousLimit(offset.x, limit.max.x); } - if (offset.y > limit.max.y) { offset.y = this._viscousLimit(offset.y, limit.max.y); } - - this._draggable._newPos = this._draggable._startPos.add(offset); - }, - - _onPreDragWrap: function () { - // TODO refactor to be able to adjust map pane position after zoom - var worldWidth = this._worldWidth, - halfWidth = Math.round(worldWidth / 2), - dx = this._initialWorldOffset, - x = this._draggable._newPos.x, - newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx, - newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx, - newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2; - - this._draggable._absPos = this._draggable._newPos.clone(); - this._draggable._newPos.x = newX; - }, - - _onDragEnd: function (e) { - var map = this._map, - options = map.options, - - noInertia = !options.inertia || this._times.length < 2; - - map.fire('dragend', e); - - if (noInertia) { - map.fire('moveend'); - - } else { - this._prunePositions(+new Date()); - - var direction = this._lastPos.subtract(this._positions[0]), - duration = (this._lastTime - this._times[0]) / 1000, - ease = options.easeLinearity, - - speedVector = direction.multiplyBy(ease / duration), - speed = speedVector.distanceTo([0, 0]), - - limitedSpeed = Math.min(options.inertiaMaxSpeed, speed), - limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed), - - decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease), - offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round(); - - if (!offset.x && !offset.y) { - map.fire('moveend'); - - } else { - offset = map._limitOffset(offset, map.options.maxBounds); - - requestAnimFrame(function () { - map.panBy(offset, { - duration: decelerationDuration, - easeLinearity: ease, - noMoveStart: true, - animate: true - }); - }); - } - } - } -}); - -// @section Handlers -// @property dragging: Handler -// Map dragging handler (by both mouse and touch). -Map.addInitHook('addHandler', 'dragging', Drag); - -/* - * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default. - */ - -// @namespace Map -// @section Keyboard Navigation Options -Map.mergeOptions({ - // @option keyboard: Boolean = true - // Makes the map focusable and allows users to navigate the map with keyboard - // arrows and `+`/`-` keys. - keyboard: true, - - // @option keyboardPanDelta: Number = 80 - // Amount of pixels to pan when pressing an arrow key. - keyboardPanDelta: 80 -}); - -var Keyboard = Handler.extend({ - - keyCodes: { - left: [37], - right: [39], - down: [40], - up: [38], - zoomIn: [187, 107, 61, 171], - zoomOut: [189, 109, 54, 173] - }, - - initialize: function (map) { - this._map = map; - - this._setPanDelta(map.options.keyboardPanDelta); - this._setZoomDelta(map.options.zoomDelta); - }, - - addHooks: function () { - var container = this._map._container; - - // make the container focusable by tabbing - if (container.tabIndex <= 0) { - container.tabIndex = '0'; - } - - on(container, { - focus: this._onFocus, - blur: this._onBlur, - mousedown: this._onMouseDown - }, this); - - this._map.on({ - focus: this._addHooks, - blur: this._removeHooks - }, this); - }, - - removeHooks: function () { - this._removeHooks(); - - off(this._map._container, { - focus: this._onFocus, - blur: this._onBlur, - mousedown: this._onMouseDown - }, this); - - this._map.off({ - focus: this._addHooks, - blur: this._removeHooks - }, this); - }, - - _onMouseDown: function () { - if (this._focused) { return; } - - var body = document.body, - docEl = document.documentElement, - top = body.scrollTop || docEl.scrollTop, - left = body.scrollLeft || docEl.scrollLeft; - - this._map._container.focus(); - - window.scrollTo(left, top); - }, - - _onFocus: function () { - this._focused = true; - this._map.fire('focus'); - }, - - _onBlur: function () { - this._focused = false; - this._map.fire('blur'); - }, - - _setPanDelta: function (panDelta) { - var keys = this._panKeys = {}, - codes = this.keyCodes, - i, len; - - for (i = 0, len = codes.left.length; i < len; i++) { - keys[codes.left[i]] = [-1 * panDelta, 0]; - } - for (i = 0, len = codes.right.length; i < len; i++) { - keys[codes.right[i]] = [panDelta, 0]; - } - for (i = 0, len = codes.down.length; i < len; i++) { - keys[codes.down[i]] = [0, panDelta]; - } - for (i = 0, len = codes.up.length; i < len; i++) { - keys[codes.up[i]] = [0, -1 * panDelta]; - } - }, - - _setZoomDelta: function (zoomDelta) { - var keys = this._zoomKeys = {}, - codes = this.keyCodes, - i, len; - - for (i = 0, len = codes.zoomIn.length; i < len; i++) { - keys[codes.zoomIn[i]] = zoomDelta; - } - for (i = 0, len = codes.zoomOut.length; i < len; i++) { - keys[codes.zoomOut[i]] = -zoomDelta; - } - }, - - _addHooks: function () { - on(document, 'keydown', this._onKeyDown, this); - }, - - _removeHooks: function () { - off(document, 'keydown', this._onKeyDown, this); - }, - - _onKeyDown: function (e) { - if (e.altKey || e.ctrlKey || e.metaKey) { return; } - - var key = e.keyCode, - map = this._map, - offset; - - if (key in this._panKeys) { - if (!map._panAnim || !map._panAnim._inProgress) { - offset = this._panKeys[key]; - if (e.shiftKey) { - offset = toPoint(offset).multiplyBy(3); - } - - map.panBy(offset); - - if (map.options.maxBounds) { - map.panInsideBounds(map.options.maxBounds); - } - } - } else if (key in this._zoomKeys) { - map.setZoom(map.getZoom() + (e.shiftKey ? 3 : 1) * this._zoomKeys[key]); - - } else if (key === 27 && map._popup && map._popup.options.closeOnEscapeKey) { - map.closePopup(); - - } else { - return; - } - - stop(e); - } -}); - -// @section Handlers -// @section Handlers -// @property keyboard: Handler -// Keyboard navigation handler. -Map.addInitHook('addHandler', 'keyboard', Keyboard); - -/* - * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @section Mousewheel options - // @option scrollWheelZoom: Boolean|String = true - // Whether the map can be zoomed by using the mouse wheel. If passed `'center'`, - // it will zoom to the center of the view regardless of where the mouse was. - scrollWheelZoom: true, - - // @option wheelDebounceTime: Number = 40 - // Limits the rate at which a wheel can fire (in milliseconds). By default - // user can't zoom via wheel more often than once per 40 ms. - wheelDebounceTime: 40, - - // @option wheelPxPerZoomLevel: Number = 60 - // How many scroll pixels (as reported by [L.DomEvent.getWheelDelta](#domevent-getwheeldelta)) - // mean a change of one full zoom level. Smaller values will make wheel-zooming - // faster (and vice versa). - wheelPxPerZoomLevel: 60 -}); - -var ScrollWheelZoom = Handler.extend({ - addHooks: function () { - on(this._map._container, 'mousewheel', this._onWheelScroll, this); - - this._delta = 0; - }, - - removeHooks: function () { - off(this._map._container, 'mousewheel', this._onWheelScroll, this); - }, - - _onWheelScroll: function (e) { - var delta = getWheelDelta(e); - - var debounce = this._map.options.wheelDebounceTime; - - this._delta += delta; - this._lastMousePos = this._map.mouseEventToContainerPoint(e); - - if (!this._startTime) { - this._startTime = +new Date(); - } - - var left = Math.max(debounce - (+new Date() - this._startTime), 0); - - clearTimeout(this._timer); - this._timer = setTimeout(bind(this._performZoom, this), left); - - stop(e); - }, - - _performZoom: function () { - var map = this._map, - zoom = map.getZoom(), - snap = this._map.options.zoomSnap || 0; - - map._stop(); // stop panning and fly animations if any - - // map the delta with a sigmoid function to -4..4 range leaning on -1..1 - var d2 = this._delta / (this._map.options.wheelPxPerZoomLevel * 4), - d3 = 4 * Math.log(2 / (1 + Math.exp(-Math.abs(d2)))) / Math.LN2, - d4 = snap ? Math.ceil(d3 / snap) * snap : d3, - delta = map._limitZoom(zoom + (this._delta > 0 ? d4 : -d4)) - zoom; - - this._delta = 0; - this._startTime = null; - - if (!delta) { return; } - - if (map.options.scrollWheelZoom === 'center') { - map.setZoom(zoom + delta); - } else { - map.setZoomAround(this._lastMousePos, zoom + delta); - } - } -}); - -// @section Handlers -// @property scrollWheelZoom: Handler -// Scroll wheel zoom handler. -Map.addInitHook('addHandler', 'scrollWheelZoom', ScrollWheelZoom); - -/* - * L.Map.Tap is used to enable mobile hacks like quick taps and long hold. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @section Touch interaction options - // @option tap: Boolean = true - // Enables mobile hacks for supporting instant taps (fixing 200ms click - // delay on iOS/Android) and touch holds (fired as `contextmenu` events). - tap: true, - - // @option tapTolerance: Number = 15 - // The max number of pixels a user can shift his finger during touch - // for it to be considered a valid tap. - tapTolerance: 15 -}); - -var Tap = Handler.extend({ - addHooks: function () { - on(this._map._container, 'touchstart', this._onDown, this); - }, - - removeHooks: function () { - off(this._map._container, 'touchstart', this._onDown, this); - }, - - _onDown: function (e) { - if (!e.touches) { return; } - - preventDefault(e); - - this._fireClick = true; - - // don't simulate click or track longpress if more than 1 touch - if (e.touches.length > 1) { - this._fireClick = false; - clearTimeout(this._holdTimeout); - return; - } - - var first = e.touches[0], - el = first.target; - - this._startPos = this._newPos = new Point(first.clientX, first.clientY); - - // if touching a link, highlight it - if (el.tagName && el.tagName.toLowerCase() === 'a') { - addClass(el, 'leaflet-active'); - } - - // simulate long hold but setting a timeout - this._holdTimeout = setTimeout(bind(function () { - if (this._isTapValid()) { - this._fireClick = false; - this._onUp(); - this._simulateEvent('contextmenu', first); - } - }, this), 1000); - - this._simulateEvent('mousedown', first); - - on(document, { - touchmove: this._onMove, - touchend: this._onUp - }, this); - }, - - _onUp: function (e) { - clearTimeout(this._holdTimeout); - - off(document, { - touchmove: this._onMove, - touchend: this._onUp - }, this); - - if (this._fireClick && e && e.changedTouches) { - - var first = e.changedTouches[0], - el = first.target; - - if (el && el.tagName && el.tagName.toLowerCase() === 'a') { - removeClass(el, 'leaflet-active'); - } - - this._simulateEvent('mouseup', first); - - // simulate click if the touch didn't move too much - if (this._isTapValid()) { - this._simulateEvent('click', first); - } - } - }, - - _isTapValid: function () { - return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance; - }, - - _onMove: function (e) { - var first = e.touches[0]; - this._newPos = new Point(first.clientX, first.clientY); - this._simulateEvent('mousemove', first); - }, - - _simulateEvent: function (type, e) { - var simulatedEvent = document.createEvent('MouseEvents'); - - simulatedEvent._simulated = true; - e.target._simulatedClick = true; - - simulatedEvent.initMouseEvent( - type, true, true, window, 1, - e.screenX, e.screenY, - e.clientX, e.clientY, - false, false, false, false, 0, null); - - e.target.dispatchEvent(simulatedEvent); - } -}); - -// @section Handlers -// @property tap: Handler -// Mobile touch hacks (quick tap and touch hold) handler. -if (touch && !pointer) { - Map.addInitHook('addHandler', 'tap', Tap); -} - -/* - * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers. - */ - -// @namespace Map -// @section Interaction Options -Map.mergeOptions({ - // @section Touch interaction options - // @option touchZoom: Boolean|String = * - // Whether the map can be zoomed by touch-dragging with two fingers. If - // passed `'center'`, it will zoom to the center of the view regardless of - // where the touch events (fingers) were. Enabled for touch-capable web - // browsers except for old Androids. - touchZoom: touch && !android23, - - // @option bounceAtZoomLimits: Boolean = true - // Set it to false if you don't want the map to zoom beyond min/max zoom - // and then bounce back when pinch-zooming. - bounceAtZoomLimits: true -}); - -var TouchZoom = Handler.extend({ - addHooks: function () { - addClass(this._map._container, 'leaflet-touch-zoom'); - on(this._map._container, 'touchstart', this._onTouchStart, this); - }, - - removeHooks: function () { - removeClass(this._map._container, 'leaflet-touch-zoom'); - off(this._map._container, 'touchstart', this._onTouchStart, this); - }, - - _onTouchStart: function (e) { - var map = this._map; - if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; } - - var p1 = map.mouseEventToContainerPoint(e.touches[0]), - p2 = map.mouseEventToContainerPoint(e.touches[1]); - - this._centerPoint = map.getSize()._divideBy(2); - this._startLatLng = map.containerPointToLatLng(this._centerPoint); - if (map.options.touchZoom !== 'center') { - this._pinchStartLatLng = map.containerPointToLatLng(p1.add(p2)._divideBy(2)); - } - - this._startDist = p1.distanceTo(p2); - this._startZoom = map.getZoom(); - - this._moved = false; - this._zooming = true; - - map._stop(); - - on(document, 'touchmove', this._onTouchMove, this); - on(document, 'touchend', this._onTouchEnd, this); - - preventDefault(e); - }, - - _onTouchMove: function (e) { - if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; } - - var map = this._map, - p1 = map.mouseEventToContainerPoint(e.touches[0]), - p2 = map.mouseEventToContainerPoint(e.touches[1]), - scale = p1.distanceTo(p2) / this._startDist; - - this._zoom = map.getScaleZoom(scale, this._startZoom); - - if (!map.options.bounceAtZoomLimits && ( - (this._zoom < map.getMinZoom() && scale < 1) || - (this._zoom > map.getMaxZoom() && scale > 1))) { - this._zoom = map._limitZoom(this._zoom); - } - - if (map.options.touchZoom === 'center') { - this._center = this._startLatLng; - if (scale === 1) { return; } - } else { - // Get delta from pinch to center, so centerLatLng is delta applied to initial pinchLatLng - var delta = p1._add(p2)._divideBy(2)._subtract(this._centerPoint); - if (scale === 1 && delta.x === 0 && delta.y === 0) { return; } - this._center = map.unproject(map.project(this._pinchStartLatLng, this._zoom).subtract(delta), this._zoom); - } - - if (!this._moved) { - map._moveStart(true, false); - this._moved = true; - } - - cancelAnimFrame(this._animRequest); - - var moveFn = bind(map._move, map, this._center, this._zoom, {pinch: true, round: false}); - this._animRequest = requestAnimFrame(moveFn, this, true); - - preventDefault(e); - }, - - _onTouchEnd: function () { - if (!this._moved || !this._zooming) { - this._zooming = false; - return; - } - - this._zooming = false; - cancelAnimFrame(this._animRequest); - - off(document, 'touchmove', this._onTouchMove); - off(document, 'touchend', this._onTouchEnd); - - // Pinch updates GridLayers' levels only when zoomSnap is off, so zoomSnap becomes noUpdate. - if (this._map.options.zoomAnimation) { - this._map._animateZoom(this._center, this._map._limitZoom(this._zoom), true, this._map.options.zoomSnap); - } else { - this._map._resetView(this._center, this._map._limitZoom(this._zoom)); - } - } -}); - -// @section Handlers -// @property touchZoom: Handler -// Touch zoom handler. -Map.addInitHook('addHandler', 'touchZoom', TouchZoom); - -Map.BoxZoom = BoxZoom; -Map.DoubleClickZoom = DoubleClickZoom; -Map.Drag = Drag; -Map.Keyboard = Keyboard; -Map.ScrollWheelZoom = ScrollWheelZoom; -Map.Tap = Tap; -Map.TouchZoom = TouchZoom; - -Object.freeze = freeze; - -exports.version = version; -exports.Control = Control; -exports.control = control; -exports.Browser = Browser; -exports.Evented = Evented; -exports.Mixin = Mixin; -exports.Util = Util; -exports.Class = Class; -exports.Handler = Handler; -exports.extend = extend; -exports.bind = bind; -exports.stamp = stamp; -exports.setOptions = setOptions; -exports.DomEvent = DomEvent; -exports.DomUtil = DomUtil; -exports.PosAnimation = PosAnimation; -exports.Draggable = Draggable; -exports.LineUtil = LineUtil; -exports.PolyUtil = PolyUtil; -exports.Point = Point; -exports.point = toPoint; -exports.Bounds = Bounds; -exports.bounds = toBounds; -exports.Transformation = Transformation; -exports.transformation = toTransformation; -exports.Projection = index; -exports.LatLng = LatLng; -exports.latLng = toLatLng; -exports.LatLngBounds = LatLngBounds; -exports.latLngBounds = toLatLngBounds; -exports.CRS = CRS; -exports.GeoJSON = GeoJSON; -exports.geoJSON = geoJSON; -exports.geoJson = geoJson; -exports.Layer = Layer; -exports.LayerGroup = LayerGroup; -exports.layerGroup = layerGroup; -exports.FeatureGroup = FeatureGroup; -exports.featureGroup = featureGroup; -exports.ImageOverlay = ImageOverlay; -exports.imageOverlay = imageOverlay; -exports.VideoOverlay = VideoOverlay; -exports.videoOverlay = videoOverlay; -exports.DivOverlay = DivOverlay; -exports.Popup = Popup; -exports.popup = popup; -exports.Tooltip = Tooltip; -exports.tooltip = tooltip; -exports.Icon = Icon; -exports.icon = icon; -exports.DivIcon = DivIcon; -exports.divIcon = divIcon; -exports.Marker = Marker; -exports.marker = marker; -exports.TileLayer = TileLayer; -exports.tileLayer = tileLayer; -exports.GridLayer = GridLayer; -exports.gridLayer = gridLayer; -exports.SVG = SVG; -exports.svg = svg$1; -exports.Renderer = Renderer; -exports.Canvas = Canvas; -exports.canvas = canvas$1; -exports.Path = Path; -exports.CircleMarker = CircleMarker; -exports.circleMarker = circleMarker; -exports.Circle = Circle; -exports.circle = circle; -exports.Polyline = Polyline; -exports.polyline = polyline; -exports.Polygon = Polygon; -exports.polygon = polygon; -exports.Rectangle = Rectangle; -exports.rectangle = rectangle; -exports.Map = Map; -exports.map = createMap; - -var oldL = window.L; -exports.noConflict = function() { - window.L = oldL; - return this; -} - -// Always export us to window global (see #2364) -window.L = exports; - -}))); -//# sourceMappingURL=leaflet-src.js.map +} + +TileLayer.WMS = TileLayerWMS; +tileLayer.wms = tileLayerWMS; + +/* + * @class Renderer + * @inherits Layer + * @aka L.Renderer + * + * Base class for vector renderer implementations (`SVG`, `Canvas`). Handles the + * DOM container of the renderer, its bounds, and its zoom animation. + * + * A `Renderer` works as an implicit layer group for all `Path`s - the renderer + * itself can be added or removed to the map. All paths use a renderer, which can + * be implicit (the map will decide the type of renderer and use it automatically) + * or explicit (using the [`renderer`](#path-renderer) option of the path). + * + * Do not use this class directly, use `SVG` and `Canvas` instead. + * + * @event update: Event + * Fired when the renderer updates its bounds, center and zoom, for example when + * its map has moved + */ + +var Renderer = Layer.extend({ + + // @section + // @aka Renderer options + options: { + // @option padding: Number = 0.1 + // How much to extend the clip area around the map view (relative to its size) + // e.g. 0.1 would be 10% of map view in each direction + padding: 0.1, + + // @option tolerance: Number = 0 + // How much to extend click tolerance round a path/object on the map + tolerance : 0 + }, + + initialize: function (options) { + setOptions(this, options); + stamp(this); + this._layers = this._layers || {}; + }, + + onAdd: function () { + if (!this._container) { + this._initContainer(); // defined by renderer implementations + + if (this._zoomAnimated) { + addClass(this._container, 'leaflet-zoom-animated'); + } + } + + this.getPane().appendChild(this._container); + this._update(); + this.on('update', this._updatePaths, this); + }, + + onRemove: function () { + this.off('update', this._updatePaths, this); + this._destroyContainer(); + }, + + getEvents: function () { + var events = { + viewreset: this._reset, + zoom: this._onZoom, + moveend: this._update, + zoomend: this._onZoomEnd + }; + if (this._zoomAnimated) { + events.zoomanim = this._onAnimZoom; + } + return events; + }, + + _onAnimZoom: function (ev) { + this._updateTransform(ev.center, ev.zoom); + }, + + _onZoom: function () { + this._updateTransform(this._map.getCenter(), this._map.getZoom()); + }, + + _updateTransform: function (center, zoom) { + var scale = this._map.getZoomScale(zoom, this._zoom), + position = getPosition(this._container), + viewHalf = this._map.getSize().multiplyBy(0.5 + this.options.padding), + currentCenterPoint = this._map.project(this._center, zoom), + destCenterPoint = this._map.project(center, zoom), + centerOffset = destCenterPoint.subtract(currentCenterPoint), + + topLeftOffset = viewHalf.multiplyBy(-scale).add(position).add(viewHalf).subtract(centerOffset); + + if (any3d) { + setTransform(this._container, topLeftOffset, scale); + } else { + setPosition(this._container, topLeftOffset); + } + }, + + _reset: function () { + this._update(); + this._updateTransform(this._center, this._zoom); + + for (var id in this._layers) { + this._layers[id]._reset(); + } + }, + + _onZoomEnd: function () { + for (var id in this._layers) { + this._layers[id]._project(); + } + }, + + _updatePaths: function () { + for (var id in this._layers) { + this._layers[id]._update(); + } + }, + + _update: function () { + // Update pixel bounds of renderer container (for positioning/sizing/clipping later) + // Subclasses are responsible of firing the 'update' event. + var p = this.options.padding, + size = this._map.getSize(), + min = this._map.containerPointToLayerPoint(size.multiplyBy(-p)).round(); + + this._bounds = new Bounds(min, min.add(size.multiplyBy(1 + p * 2)).round()); + + this._center = this._map.getCenter(); + this._zoom = this._map.getZoom(); + } +}); + +/* + * @class Canvas + * @inherits Renderer + * @aka L.Canvas + * + * Allows vector layers to be displayed with [``](https://developer.mozilla.org/docs/Web/API/Canvas_API). + * Inherits `Renderer`. + * + * Due to [technical limitations](http://caniuse.com/#search=canvas), Canvas is not + * available in all web browsers, notably IE8, and overlapping geometries might + * not display properly in some edge cases. + * + * @example + * + * Use Canvas by default for all paths in the map: + * + * ```js + * var map = L.map('map', { + * renderer: L.canvas() + * }); + * ``` + * + * Use a Canvas renderer with extra padding for specific vector geometries: + * + * ```js + * var map = L.map('map'); + * var myRenderer = L.canvas({ padding: 0.5 }); + * var line = L.polyline( coordinates, { renderer: myRenderer } ); + * var circle = L.circle( center, { renderer: myRenderer } ); + * ``` + */ + +var Canvas = Renderer.extend({ + getEvents: function () { + var events = Renderer.prototype.getEvents.call(this); + events.viewprereset = this._onViewPreReset; + return events; + }, + + _onViewPreReset: function () { + // Set a flag so that a viewprereset+moveend+viewreset only updates&redraws once + this._postponeUpdatePaths = true; + }, + + onAdd: function () { + Renderer.prototype.onAdd.call(this); + + // Redraw vectors since canvas is cleared upon removal, + // in case of removing the renderer itself from the map. + this._draw(); + }, + + _initContainer: function () { + var container = this._container = document.createElement('canvas'); + + on(container, 'mousemove', throttle(this._onMouseMove, 32, this), this); + on(container, 'click dblclick mousedown mouseup contextmenu', this._onClick, this); + on(container, 'mouseout', this._handleMouseOut, this); + + this._ctx = container.getContext('2d'); + }, + + _destroyContainer: function () { + cancelAnimFrame(this._redrawRequest); + delete this._ctx; + remove(this._container); + off(this._container); + delete this._container; + }, + + _updatePaths: function () { + if (this._postponeUpdatePaths) { return; } + + var layer; + this._redrawBounds = null; + for (var id in this._layers) { + layer = this._layers[id]; + layer._update(); + } + this._redraw(); + }, + + _update: function () { + if (this._map._animatingZoom && this._bounds) { return; } + + this._drawnLayers = {}; + + Renderer.prototype._update.call(this); + + var b = this._bounds, + container = this._container, + size = b.getSize(), + m = retina ? 2 : 1; + + setPosition(container, b.min); + + // set canvas size (also clearing it); use double size on retina + container.width = m * size.x; + container.height = m * size.y; + container.style.width = size.x + 'px'; + container.style.height = size.y + 'px'; + + if (retina) { + this._ctx.scale(2, 2); + } + + // translate so we use the same path coordinates after canvas element moves + this._ctx.translate(-b.min.x, -b.min.y); + + // Tell paths to redraw themselves + this.fire('update'); + }, + + _reset: function () { + Renderer.prototype._reset.call(this); + + if (this._postponeUpdatePaths) { + this._postponeUpdatePaths = false; + this._updatePaths(); + } + }, + + _initPath: function (layer) { + this._updateDashArray(layer); + this._layers[stamp(layer)] = layer; + + var order = layer._order = { + layer: layer, + prev: this._drawLast, + next: null + }; + if (this._drawLast) { this._drawLast.next = order; } + this._drawLast = order; + this._drawFirst = this._drawFirst || this._drawLast; + }, + + _addPath: function (layer) { + this._requestRedraw(layer); + }, + + _removePath: function (layer) { + var order = layer._order; + var next = order.next; + var prev = order.prev; + + if (next) { + next.prev = prev; + } else { + this._drawLast = prev; + } + if (prev) { + prev.next = next; + } else { + this._drawFirst = next; + } + + delete this._drawnLayers[layer._leaflet_id]; + + delete layer._order; + + delete this._layers[stamp(layer)]; + + this._requestRedraw(layer); + }, + + _updatePath: function (layer) { + // Redraw the union of the layer's old pixel + // bounds and the new pixel bounds. + this._extendRedrawBounds(layer); + layer._project(); + layer._update(); + // The redraw will extend the redraw bounds + // with the new pixel bounds. + this._requestRedraw(layer); + }, + + _updateStyle: function (layer) { + this._updateDashArray(layer); + this._requestRedraw(layer); + }, + + _updateDashArray: function (layer) { + if (typeof layer.options.dashArray === 'string') { + var parts = layer.options.dashArray.split(/[, ]+/), + dashArray = [], + i; + for (i = 0; i < parts.length; i++) { + dashArray.push(Number(parts[i])); + } + layer.options._dashArray = dashArray; + } else { + layer.options._dashArray = layer.options.dashArray; + } + }, + + _requestRedraw: function (layer) { + if (!this._map) { return; } + + this._extendRedrawBounds(layer); + this._redrawRequest = this._redrawRequest || requestAnimFrame(this._redraw, this); + }, + + _extendRedrawBounds: function (layer) { + if (layer._pxBounds) { + var padding = (layer.options.weight || 0) + 1; + this._redrawBounds = this._redrawBounds || new Bounds(); + this._redrawBounds.extend(layer._pxBounds.min.subtract([padding, padding])); + this._redrawBounds.extend(layer._pxBounds.max.add([padding, padding])); + } + }, + + _redraw: function () { + this._redrawRequest = null; + + if (this._redrawBounds) { + this._redrawBounds.min._floor(); + this._redrawBounds.max._ceil(); + } + + this._clear(); // clear layers in redraw bounds + this._draw(); // draw layers + + this._redrawBounds = null; + }, + + _clear: function () { + var bounds = this._redrawBounds; + if (bounds) { + var size = bounds.getSize(); + this._ctx.clearRect(bounds.min.x, bounds.min.y, size.x, size.y); + } else { + this._ctx.clearRect(0, 0, this._container.width, this._container.height); + } + }, + + _draw: function () { + var layer, bounds = this._redrawBounds; + this._ctx.save(); + if (bounds) { + var size = bounds.getSize(); + this._ctx.beginPath(); + this._ctx.rect(bounds.min.x, bounds.min.y, size.x, size.y); + this._ctx.clip(); + } + + this._drawing = true; + + for (var order = this._drawFirst; order; order = order.next) { + layer = order.layer; + if (!bounds || (layer._pxBounds && layer._pxBounds.intersects(bounds))) { + layer._updatePath(); + } + } + + this._drawing = false; + + this._ctx.restore(); // Restore state before clipping. + }, + + _updatePoly: function (layer, closed) { + if (!this._drawing) { return; } + + var i, j, len2, p, + parts = layer._parts, + len = parts.length, + ctx = this._ctx; + + if (!len) { return; } + + this._drawnLayers[layer._leaflet_id] = layer; + + ctx.beginPath(); + + for (i = 0; i < len; i++) { + for (j = 0, len2 = parts[i].length; j < len2; j++) { + p = parts[i][j]; + ctx[j ? 'lineTo' : 'moveTo'](p.x, p.y); + } + if (closed) { + ctx.closePath(); + } + } + + this._fillStroke(ctx, layer); + + // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature + }, + + _updateCircle: function (layer) { + + if (!this._drawing || layer._empty()) { return; } + + var p = layer._point, + ctx = this._ctx, + r = Math.max(Math.round(layer._radius), 1), + s = (Math.max(Math.round(layer._radiusY), 1) || r) / r; + + this._drawnLayers[layer._leaflet_id] = layer; + + if (s !== 1) { + ctx.save(); + ctx.scale(1, s); + } + + ctx.beginPath(); + ctx.arc(p.x, p.y / s, r, 0, Math.PI * 2, false); + + if (s !== 1) { + ctx.restore(); + } + + this._fillStroke(ctx, layer); + }, + + _fillStroke: function (ctx, layer) { + var options = layer.options; + + if (options.fill) { + ctx.globalAlpha = options.fillOpacity; + ctx.fillStyle = options.fillColor || options.color; + ctx.fill(options.fillRule || 'evenodd'); + } + + if (options.stroke && options.weight !== 0) { + if (ctx.setLineDash) { + ctx.setLineDash(layer.options && layer.options._dashArray || []); + } + ctx.globalAlpha = options.opacity; + ctx.lineWidth = options.weight; + ctx.strokeStyle = options.color; + ctx.lineCap = options.lineCap; + ctx.lineJoin = options.lineJoin; + ctx.stroke(); + } + }, + + // Canvas obviously doesn't have mouse events for individual drawn objects, + // so we emulate that by calculating what's under the mouse on mousemove/click manually + + _onClick: function (e) { + var point = this._map.mouseEventToLayerPoint(e), layer, clickedLayer; + + for (var order = this._drawFirst; order; order = order.next) { + layer = order.layer; + if (layer.options.interactive && layer._containsPoint(point) && !this._map._draggableMoved(layer)) { + clickedLayer = layer; + } + } + if (clickedLayer) { + fakeStop(e); + this._fireEvent([clickedLayer], e); + } + }, + + _onMouseMove: function (e) { + if (!this._map || this._map.dragging.moving() || this._map._animatingZoom) { return; } + + var point = this._map.mouseEventToLayerPoint(e); + this._handleMouseHover(e, point); + }, + + + _handleMouseOut: function (e) { + var layer = this._hoveredLayer; + if (layer) { + // if we're leaving the layer, fire mouseout + removeClass(this._container, 'leaflet-interactive'); + this._fireEvent([layer], e, 'mouseout'); + this._hoveredLayer = null; + } + }, + + _handleMouseHover: function (e, point) { + var layer, candidateHoveredLayer; + + for (var order = this._drawFirst; order; order = order.next) { + layer = order.layer; + if (layer.options.interactive && layer._containsPoint(point)) { + candidateHoveredLayer = layer; + } + } + + if (candidateHoveredLayer !== this._hoveredLayer) { + this._handleMouseOut(e); + + if (candidateHoveredLayer) { + addClass(this._container, 'leaflet-interactive'); // change cursor + this._fireEvent([candidateHoveredLayer], e, 'mouseover'); + this._hoveredLayer = candidateHoveredLayer; + } + } + + if (this._hoveredLayer) { + this._fireEvent([this._hoveredLayer], e); + } + }, + + _fireEvent: function (layers, e, type) { + this._map._fireDOMEvent(e, type || e.type, layers); + }, + + _bringToFront: function (layer) { + var order = layer._order; + var next = order.next; + var prev = order.prev; + + if (next) { + next.prev = prev; + } else { + // Already last + return; + } + if (prev) { + prev.next = next; + } else if (next) { + // Update first entry unless this is the + // single entry + this._drawFirst = next; + } + + order.prev = this._drawLast; + this._drawLast.next = order; + + order.next = null; + this._drawLast = order; + + this._requestRedraw(layer); + }, + + _bringToBack: function (layer) { + var order = layer._order; + var next = order.next; + var prev = order.prev; + + if (prev) { + prev.next = next; + } else { + // Already first + return; + } + if (next) { + next.prev = prev; + } else if (prev) { + // Update last entry unless this is the + // single entry + this._drawLast = prev; + } + + order.prev = null; + + order.next = this._drawFirst; + this._drawFirst.prev = order; + this._drawFirst = order; + + this._requestRedraw(layer); + } +}); + +// @factory L.canvas(options?: Renderer options) +// Creates a Canvas renderer with the given options. +function canvas$1(options) { + return canvas ? new Canvas(options) : null; +} + +/* + * Thanks to Dmitry Baranovsky and his Raphael library for inspiration! + */ + + +var vmlCreate = (function () { + try { + document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml'); + return function (name) { + return document.createElement(''); + }; + } catch (e) { + return function (name) { + return document.createElement('<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">'); + }; + } +})(); + + +/* + * @class SVG + * + * Although SVG is not available on IE7 and IE8, these browsers support [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language), and the SVG renderer will fall back to VML in this case. + * + * VML was deprecated in 2012, which means VML functionality exists only for backwards compatibility + * with old versions of Internet Explorer. + */ + +// mixin to redefine some SVG methods to handle VML syntax which is similar but with some differences +var vmlMixin = { + + _initContainer: function () { + this._container = create$1('div', 'leaflet-vml-container'); + }, + + _update: function () { + if (this._map._animatingZoom) { return; } + Renderer.prototype._update.call(this); + this.fire('update'); + }, + + _initPath: function (layer) { + var container = layer._container = vmlCreate('shape'); + + addClass(container, 'leaflet-vml-shape ' + (this.options.className || '')); + + container.coordsize = '1 1'; + + layer._path = vmlCreate('path'); + container.appendChild(layer._path); + + this._updateStyle(layer); + this._layers[stamp(layer)] = layer; + }, + + _addPath: function (layer) { + var container = layer._container; + this._container.appendChild(container); + + if (layer.options.interactive) { + layer.addInteractiveTarget(container); + } + }, + + _removePath: function (layer) { + var container = layer._container; + remove(container); + layer.removeInteractiveTarget(container); + delete this._layers[stamp(layer)]; + }, + + _updateStyle: function (layer) { + var stroke = layer._stroke, + fill = layer._fill, + options = layer.options, + container = layer._container; + + container.stroked = !!options.stroke; + container.filled = !!options.fill; + + if (options.stroke) { + if (!stroke) { + stroke = layer._stroke = vmlCreate('stroke'); + } + container.appendChild(stroke); + stroke.weight = options.weight + 'px'; + stroke.color = options.color; + stroke.opacity = options.opacity; + + if (options.dashArray) { + stroke.dashStyle = isArray(options.dashArray) ? + options.dashArray.join(' ') : + options.dashArray.replace(/( *, *)/g, ' '); + } else { + stroke.dashStyle = ''; + } + stroke.endcap = options.lineCap.replace('butt', 'flat'); + stroke.joinstyle = options.lineJoin; + + } else if (stroke) { + container.removeChild(stroke); + layer._stroke = null; + } + + if (options.fill) { + if (!fill) { + fill = layer._fill = vmlCreate('fill'); + } + container.appendChild(fill); + fill.color = options.fillColor || options.color; + fill.opacity = options.fillOpacity; + + } else if (fill) { + container.removeChild(fill); + layer._fill = null; + } + }, + + _updateCircle: function (layer) { + var p = layer._point.round(), + r = Math.round(layer._radius), + r2 = Math.round(layer._radiusY || r); + + this._setPath(layer, layer._empty() ? 'M0 0' : + 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r2 + ' 0,' + (65535 * 360)); + }, + + _setPath: function (layer, path) { + layer._path.v = path; + }, + + _bringToFront: function (layer) { + toFront(layer._container); + }, + + _bringToBack: function (layer) { + toBack(layer._container); + } +}; + +var create$2 = vml ? vmlCreate : svgCreate; + +/* + * @class SVG + * @inherits Renderer + * @aka L.SVG + * + * Allows vector layers to be displayed with [SVG](https://developer.mozilla.org/docs/Web/SVG). + * Inherits `Renderer`. + * + * Due to [technical limitations](http://caniuse.com/#search=svg), SVG is not + * available in all web browsers, notably Android 2.x and 3.x. + * + * Although SVG is not available on IE7 and IE8, these browsers support + * [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language) + * (a now deprecated technology), and the SVG renderer will fall back to VML in + * this case. + * + * @example + * + * Use SVG by default for all paths in the map: + * + * ```js + * var map = L.map('map', { + * renderer: L.svg() + * }); + * ``` + * + * Use a SVG renderer with extra padding for specific vector geometries: + * + * ```js + * var map = L.map('map'); + * var myRenderer = L.svg({ padding: 0.5 }); + * var line = L.polyline( coordinates, { renderer: myRenderer } ); + * var circle = L.circle( center, { renderer: myRenderer } ); + * ``` + */ + +var SVG = Renderer.extend({ + + getEvents: function () { + var events = Renderer.prototype.getEvents.call(this); + events.zoomstart = this._onZoomStart; + return events; + }, + + _initContainer: function () { + this._container = create$2('svg'); + + // makes it possible to click through svg root; we'll reset it back in individual paths + this._container.setAttribute('pointer-events', 'none'); + + this._rootGroup = create$2('g'); + this._container.appendChild(this._rootGroup); + }, + + _destroyContainer: function () { + remove(this._container); + off(this._container); + delete this._container; + delete this._rootGroup; + delete this._svgSize; + }, + + _onZoomStart: function () { + // Drag-then-pinch interactions might mess up the center and zoom. + // In this case, the easiest way to prevent this is re-do the renderer + // bounds and padding when the zooming starts. + this._update(); + }, + + _update: function () { + if (this._map._animatingZoom && this._bounds) { return; } + + Renderer.prototype._update.call(this); + + var b = this._bounds, + size = b.getSize(), + container = this._container; + + // set size of svg-container if changed + if (!this._svgSize || !this._svgSize.equals(size)) { + this._svgSize = size; + container.setAttribute('width', size.x); + container.setAttribute('height', size.y); + } + + // movement: update container viewBox so that we don't have to change coordinates of individual layers + setPosition(container, b.min); + container.setAttribute('viewBox', [b.min.x, b.min.y, size.x, size.y].join(' ')); + + this.fire('update'); + }, + + // methods below are called by vector layers implementations + + _initPath: function (layer) { + var path = layer._path = create$2('path'); + + // @namespace Path + // @option className: String = null + // Custom class name set on an element. Only for SVG renderer. + if (layer.options.className) { + addClass(path, layer.options.className); + } + + if (layer.options.interactive) { + addClass(path, 'leaflet-interactive'); + } + + this._updateStyle(layer); + this._layers[stamp(layer)] = layer; + }, + + _addPath: function (layer) { + if (!this._rootGroup) { this._initContainer(); } + this._rootGroup.appendChild(layer._path); + layer.addInteractiveTarget(layer._path); + }, + + _removePath: function (layer) { + remove(layer._path); + layer.removeInteractiveTarget(layer._path); + delete this._layers[stamp(layer)]; + }, + + _updatePath: function (layer) { + layer._project(); + layer._update(); + }, + + _updateStyle: function (layer) { + var path = layer._path, + options = layer.options; + + if (!path) { return; } + + if (options.stroke) { + path.setAttribute('stroke', options.color); + path.setAttribute('stroke-opacity', options.opacity); + path.setAttribute('stroke-width', options.weight); + path.setAttribute('stroke-linecap', options.lineCap); + path.setAttribute('stroke-linejoin', options.lineJoin); + + if (options.dashArray) { + path.setAttribute('stroke-dasharray', options.dashArray); + } else { + path.removeAttribute('stroke-dasharray'); + } + + if (options.dashOffset) { + path.setAttribute('stroke-dashoffset', options.dashOffset); + } else { + path.removeAttribute('stroke-dashoffset'); + } + } else { + path.setAttribute('stroke', 'none'); + } + + if (options.fill) { + path.setAttribute('fill', options.fillColor || options.color); + path.setAttribute('fill-opacity', options.fillOpacity); + path.setAttribute('fill-rule', options.fillRule || 'evenodd'); + } else { + path.setAttribute('fill', 'none'); + } + }, + + _updatePoly: function (layer, closed) { + this._setPath(layer, pointsToPath(layer._parts, closed)); + }, + + _updateCircle: function (layer) { + var p = layer._point, + r = Math.max(Math.round(layer._radius), 1), + r2 = Math.max(Math.round(layer._radiusY), 1) || r, + arc = 'a' + r + ',' + r2 + ' 0 1,0 '; + + // drawing a circle with two half-arcs + var d = layer._empty() ? 'M0 0' : + 'M' + (p.x - r) + ',' + p.y + + arc + (r * 2) + ',0 ' + + arc + (-r * 2) + ',0 '; + + this._setPath(layer, d); + }, + + _setPath: function (layer, path) { + layer._path.setAttribute('d', path); + }, + + // SVG does not have the concept of zIndex so we resort to changing the DOM order of elements + _bringToFront: function (layer) { + toFront(layer._path); + }, + + _bringToBack: function (layer) { + toBack(layer._path); + } +}); + +if (vml) { + SVG.include(vmlMixin); +} + +// @namespace SVG +// @factory L.svg(options?: Renderer options) +// Creates a SVG renderer with the given options. +function svg$1(options) { + return svg || vml ? new SVG(options) : null; +} + +Map.include({ + // @namespace Map; @method getRenderer(layer: Path): Renderer + // Returns the instance of `Renderer` that should be used to render the given + // `Path`. It will ensure that the `renderer` options of the map and paths + // are respected, and that the renderers do exist on the map. + getRenderer: function (layer) { + // @namespace Path; @option renderer: Renderer + // Use this specific instance of `Renderer` for this path. Takes + // precedence over the map's [default renderer](#map-renderer). + var renderer = layer.options.renderer || this._getPaneRenderer(layer.options.pane) || this.options.renderer || this._renderer; + + if (!renderer) { + renderer = this._renderer = this._createRenderer(); + } + + if (!this.hasLayer(renderer)) { + this.addLayer(renderer); + } + return renderer; + }, + + _getPaneRenderer: function (name) { + if (name === 'overlayPane' || name === undefined) { + return false; + } + + var renderer = this._paneRenderers[name]; + if (renderer === undefined) { + renderer = this._createRenderer({pane: name}); + this._paneRenderers[name] = renderer; + } + return renderer; + }, + + _createRenderer: function (options) { + // @namespace Map; @option preferCanvas: Boolean = false + // Whether `Path`s should be rendered on a `Canvas` renderer. + // By default, all `Path`s are rendered in a `SVG` renderer. + return (this.options.preferCanvas && canvas$1(options)) || svg$1(options); + } +}); + +/* + * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object. + */ + +/* + * @class Rectangle + * @aka L.Rectangle + * @inherits Polygon + * + * A class for drawing rectangle overlays on a map. Extends `Polygon`. + * + * @example + * + * ```js + * // define rectangle geographical bounds + * var bounds = [[54.559322, -5.767822], [56.1210604, -3.021240]]; + * + * // create an orange rectangle + * L.rectangle(bounds, {color: "#ff7800", weight: 1}).addTo(map); + * + * // zoom the map to the rectangle bounds + * map.fitBounds(bounds); + * ``` + * + */ + + +var Rectangle = Polygon.extend({ + initialize: function (latLngBounds, options) { + Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options); + }, + + // @method setBounds(latLngBounds: LatLngBounds): this + // Redraws the rectangle with the passed bounds. + setBounds: function (latLngBounds) { + return this.setLatLngs(this._boundsToLatLngs(latLngBounds)); + }, + + _boundsToLatLngs: function (latLngBounds) { + latLngBounds = toLatLngBounds(latLngBounds); + return [ + latLngBounds.getSouthWest(), + latLngBounds.getNorthWest(), + latLngBounds.getNorthEast(), + latLngBounds.getSouthEast() + ]; + } +}); + + +// @factory L.rectangle(latLngBounds: LatLngBounds, options?: Polyline options) +function rectangle(latLngBounds, options) { + return new Rectangle(latLngBounds, options); +} + +SVG.create = create$2; +SVG.pointsToPath = pointsToPath; + +GeoJSON.geometryToLayer = geometryToLayer; +GeoJSON.coordsToLatLng = coordsToLatLng; +GeoJSON.coordsToLatLngs = coordsToLatLngs; +GeoJSON.latLngToCoords = latLngToCoords; +GeoJSON.latLngsToCoords = latLngsToCoords; +GeoJSON.getFeature = getFeature; +GeoJSON.asFeature = asFeature; + +/* + * L.Handler.BoxZoom is used to add shift-drag zoom interaction to the map + * (zoom to a selected bounding box), enabled by default. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @option boxZoom: Boolean = true + // Whether the map can be zoomed to a rectangular area specified by + // dragging the mouse while pressing the shift key. + boxZoom: true +}); + +var BoxZoom = Handler.extend({ + initialize: function (map) { + this._map = map; + this._container = map._container; + this._pane = map._panes.overlayPane; + this._resetStateTimeout = 0; + map.on('unload', this._destroy, this); + }, + + addHooks: function () { + on(this._container, 'mousedown', this._onMouseDown, this); + }, + + removeHooks: function () { + off(this._container, 'mousedown', this._onMouseDown, this); + }, + + moved: function () { + return this._moved; + }, + + _destroy: function () { + remove(this._pane); + delete this._pane; + }, + + _resetState: function () { + this._resetStateTimeout = 0; + this._moved = false; + }, + + _clearDeferredResetState: function () { + if (this._resetStateTimeout !== 0) { + clearTimeout(this._resetStateTimeout); + this._resetStateTimeout = 0; + } + }, + + _onMouseDown: function (e) { + if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; } + + // Clear the deferred resetState if it hasn't executed yet, otherwise it + // will interrupt the interaction and orphan a box element in the container. + this._clearDeferredResetState(); + this._resetState(); + + disableTextSelection(); + disableImageDrag(); + + this._startPoint = this._map.mouseEventToContainerPoint(e); + + on(document, { + contextmenu: stop, + mousemove: this._onMouseMove, + mouseup: this._onMouseUp, + keydown: this._onKeyDown + }, this); + }, + + _onMouseMove: function (e) { + if (!this._moved) { + this._moved = true; + + this._box = create$1('div', 'leaflet-zoom-box', this._container); + addClass(this._container, 'leaflet-crosshair'); + + this._map.fire('boxzoomstart'); + } + + this._point = this._map.mouseEventToContainerPoint(e); + + var bounds = new Bounds(this._point, this._startPoint), + size = bounds.getSize(); + + setPosition(this._box, bounds.min); + + this._box.style.width = size.x + 'px'; + this._box.style.height = size.y + 'px'; + }, + + _finish: function () { + if (this._moved) { + remove(this._box); + removeClass(this._container, 'leaflet-crosshair'); + } + + enableTextSelection(); + enableImageDrag(); + + off(document, { + contextmenu: stop, + mousemove: this._onMouseMove, + mouseup: this._onMouseUp, + keydown: this._onKeyDown + }, this); + }, + + _onMouseUp: function (e) { + if ((e.which !== 1) && (e.button !== 1)) { return; } + + this._finish(); + + if (!this._moved) { return; } + // Postpone to next JS tick so internal click event handling + // still see it as "moved". + this._clearDeferredResetState(); + this._resetStateTimeout = setTimeout(bind(this._resetState, this), 0); + + var bounds = new LatLngBounds( + this._map.containerPointToLatLng(this._startPoint), + this._map.containerPointToLatLng(this._point)); + + this._map + .fitBounds(bounds) + .fire('boxzoomend', {boxZoomBounds: bounds}); + }, + + _onKeyDown: function (e) { + if (e.keyCode === 27) { + this._finish(); + } + } +}); + +// @section Handlers +// @property boxZoom: Handler +// Box (shift-drag with mouse) zoom handler. +Map.addInitHook('addHandler', 'boxZoom', BoxZoom); + +/* + * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default. + */ + +// @namespace Map +// @section Interaction Options + +Map.mergeOptions({ + // @option doubleClickZoom: Boolean|String = true + // Whether the map can be zoomed in by double clicking on it and + // zoomed out by double clicking while holding shift. If passed + // `'center'`, double-click zoom will zoom to the center of the + // view regardless of where the mouse was. + doubleClickZoom: true +}); + +var DoubleClickZoom = Handler.extend({ + addHooks: function () { + this._map.on('dblclick', this._onDoubleClick, this); + }, + + removeHooks: function () { + this._map.off('dblclick', this._onDoubleClick, this); + }, + + _onDoubleClick: function (e) { + var map = this._map, + oldZoom = map.getZoom(), + delta = map.options.zoomDelta, + zoom = e.originalEvent.shiftKey ? oldZoom - delta : oldZoom + delta; + + if (map.options.doubleClickZoom === 'center') { + map.setZoom(zoom); + } else { + map.setZoomAround(e.containerPoint, zoom); + } + } +}); + +// @section Handlers +// +// Map properties include interaction handlers that allow you to control +// interaction behavior in runtime, enabling or disabling certain features such +// as dragging or touch zoom (see `Handler` methods). For example: +// +// ```js +// map.doubleClickZoom.disable(); +// ``` +// +// @property doubleClickZoom: Handler +// Double click zoom handler. +Map.addInitHook('addHandler', 'doubleClickZoom', DoubleClickZoom); + +/* + * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @option dragging: Boolean = true + // Whether the map be draggable with mouse/touch or not. + dragging: true, + + // @section Panning Inertia Options + // @option inertia: Boolean = * + // If enabled, panning of the map will have an inertia effect where + // the map builds momentum while dragging and continues moving in + // the same direction for some time. Feels especially nice on touch + // devices. Enabled by default unless running on old Android devices. + inertia: !android23, + + // @option inertiaDeceleration: Number = 3000 + // The rate with which the inertial movement slows down, in pixels/second². + inertiaDeceleration: 3400, // px/s^2 + + // @option inertiaMaxSpeed: Number = Infinity + // Max speed of the inertial movement, in pixels/second. + inertiaMaxSpeed: Infinity, // px/s + + // @option easeLinearity: Number = 0.2 + easeLinearity: 0.2, + + // TODO refactor, move to CRS + // @option worldCopyJump: Boolean = false + // With this option enabled, the map tracks when you pan to another "copy" + // of the world and seamlessly jumps to the original one so that all overlays + // like markers and vector layers are still visible. + worldCopyJump: false, + + // @option maxBoundsViscosity: Number = 0.0 + // If `maxBounds` is set, this option will control how solid the bounds + // are when dragging the map around. The default value of `0.0` allows the + // user to drag outside the bounds at normal speed, higher values will + // slow down map dragging outside bounds, and `1.0` makes the bounds fully + // solid, preventing the user from dragging outside the bounds. + maxBoundsViscosity: 0.0 +}); + +var Drag = Handler.extend({ + addHooks: function () { + if (!this._draggable) { + var map = this._map; + + this._draggable = new Draggable(map._mapPane, map._container); + + this._draggable.on({ + dragstart: this._onDragStart, + drag: this._onDrag, + dragend: this._onDragEnd + }, this); + + this._draggable.on('predrag', this._onPreDragLimit, this); + if (map.options.worldCopyJump) { + this._draggable.on('predrag', this._onPreDragWrap, this); + map.on('zoomend', this._onZoomEnd, this); + + map.whenReady(this._onZoomEnd, this); + } + } + addClass(this._map._container, 'leaflet-grab leaflet-touch-drag'); + this._draggable.enable(); + this._positions = []; + this._times = []; + }, + + removeHooks: function () { + removeClass(this._map._container, 'leaflet-grab'); + removeClass(this._map._container, 'leaflet-touch-drag'); + this._draggable.disable(); + }, + + moved: function () { + return this._draggable && this._draggable._moved; + }, + + moving: function () { + return this._draggable && this._draggable._moving; + }, + + _onDragStart: function () { + var map = this._map; + + map._stop(); + if (this._map.options.maxBounds && this._map.options.maxBoundsViscosity) { + var bounds = toLatLngBounds(this._map.options.maxBounds); + + this._offsetLimit = toBounds( + this._map.latLngToContainerPoint(bounds.getNorthWest()).multiplyBy(-1), + this._map.latLngToContainerPoint(bounds.getSouthEast()).multiplyBy(-1) + .add(this._map.getSize())); + + this._viscosity = Math.min(1.0, Math.max(0.0, this._map.options.maxBoundsViscosity)); + } else { + this._offsetLimit = null; + } + + map + .fire('movestart') + .fire('dragstart'); + + if (map.options.inertia) { + this._positions = []; + this._times = []; + } + }, + + _onDrag: function (e) { + if (this._map.options.inertia) { + var time = this._lastTime = +new Date(), + pos = this._lastPos = this._draggable._absPos || this._draggable._newPos; + + this._positions.push(pos); + this._times.push(time); + + this._prunePositions(time); + } + + this._map + .fire('move', e) + .fire('drag', e); + }, + + _prunePositions: function (time) { + while (this._positions.length > 1 && time - this._times[0] > 50) { + this._positions.shift(); + this._times.shift(); + } + }, + + _onZoomEnd: function () { + var pxCenter = this._map.getSize().divideBy(2), + pxWorldCenter = this._map.latLngToLayerPoint([0, 0]); + + this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x; + this._worldWidth = this._map.getPixelWorldBounds().getSize().x; + }, + + _viscousLimit: function (value, threshold) { + return value - (value - threshold) * this._viscosity; + }, + + _onPreDragLimit: function () { + if (!this._viscosity || !this._offsetLimit) { return; } + + var offset = this._draggable._newPos.subtract(this._draggable._startPos); + + var limit = this._offsetLimit; + if (offset.x < limit.min.x) { offset.x = this._viscousLimit(offset.x, limit.min.x); } + if (offset.y < limit.min.y) { offset.y = this._viscousLimit(offset.y, limit.min.y); } + if (offset.x > limit.max.x) { offset.x = this._viscousLimit(offset.x, limit.max.x); } + if (offset.y > limit.max.y) { offset.y = this._viscousLimit(offset.y, limit.max.y); } + + this._draggable._newPos = this._draggable._startPos.add(offset); + }, + + _onPreDragWrap: function () { + // TODO refactor to be able to adjust map pane position after zoom + var worldWidth = this._worldWidth, + halfWidth = Math.round(worldWidth / 2), + dx = this._initialWorldOffset, + x = this._draggable._newPos.x, + newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx, + newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx, + newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2; + + this._draggable._absPos = this._draggable._newPos.clone(); + this._draggable._newPos.x = newX; + }, + + _onDragEnd: function (e) { + var map = this._map, + options = map.options, + + noInertia = !options.inertia || this._times.length < 2; + + map.fire('dragend', e); + + if (noInertia) { + map.fire('moveend'); + + } else { + this._prunePositions(+new Date()); + + var direction = this._lastPos.subtract(this._positions[0]), + duration = (this._lastTime - this._times[0]) / 1000, + ease = options.easeLinearity, + + speedVector = direction.multiplyBy(ease / duration), + speed = speedVector.distanceTo([0, 0]), + + limitedSpeed = Math.min(options.inertiaMaxSpeed, speed), + limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed), + + decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease), + offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round(); + + if (!offset.x && !offset.y) { + map.fire('moveend'); + + } else { + offset = map._limitOffset(offset, map.options.maxBounds); + + requestAnimFrame(function () { + map.panBy(offset, { + duration: decelerationDuration, + easeLinearity: ease, + noMoveStart: true, + animate: true + }); + }); + } + } + } +}); + +// @section Handlers +// @property dragging: Handler +// Map dragging handler (by both mouse and touch). +Map.addInitHook('addHandler', 'dragging', Drag); + +/* + * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default. + */ + +// @namespace Map +// @section Keyboard Navigation Options +Map.mergeOptions({ + // @option keyboard: Boolean = true + // Makes the map focusable and allows users to navigate the map with keyboard + // arrows and `+`/`-` keys. + keyboard: true, + + // @option keyboardPanDelta: Number = 80 + // Amount of pixels to pan when pressing an arrow key. + keyboardPanDelta: 80 +}); + +var Keyboard = Handler.extend({ + + keyCodes: { + left: [37], + right: [39], + down: [40], + up: [38], + zoomIn: [187, 107, 61, 171], + zoomOut: [189, 109, 54, 173] + }, + + initialize: function (map) { + this._map = map; + + this._setPanDelta(map.options.keyboardPanDelta); + this._setZoomDelta(map.options.zoomDelta); + }, + + addHooks: function () { + var container = this._map._container; + + // make the container focusable by tabbing + if (container.tabIndex <= 0) { + container.tabIndex = '0'; + } + + on(container, { + focus: this._onFocus, + blur: this._onBlur, + mousedown: this._onMouseDown + }, this); + + this._map.on({ + focus: this._addHooks, + blur: this._removeHooks + }, this); + }, + + removeHooks: function () { + this._removeHooks(); + + off(this._map._container, { + focus: this._onFocus, + blur: this._onBlur, + mousedown: this._onMouseDown + }, this); + + this._map.off({ + focus: this._addHooks, + blur: this._removeHooks + }, this); + }, + + _onMouseDown: function () { + if (this._focused) { return; } + + var body = document.body, + docEl = document.documentElement, + top = body.scrollTop || docEl.scrollTop, + left = body.scrollLeft || docEl.scrollLeft; + + this._map._container.focus(); + + window.scrollTo(left, top); + }, + + _onFocus: function () { + this._focused = true; + this._map.fire('focus'); + }, + + _onBlur: function () { + this._focused = false; + this._map.fire('blur'); + }, + + _setPanDelta: function (panDelta) { + var keys = this._panKeys = {}, + codes = this.keyCodes, + i, len; + + for (i = 0, len = codes.left.length; i < len; i++) { + keys[codes.left[i]] = [-1 * panDelta, 0]; + } + for (i = 0, len = codes.right.length; i < len; i++) { + keys[codes.right[i]] = [panDelta, 0]; + } + for (i = 0, len = codes.down.length; i < len; i++) { + keys[codes.down[i]] = [0, panDelta]; + } + for (i = 0, len = codes.up.length; i < len; i++) { + keys[codes.up[i]] = [0, -1 * panDelta]; + } + }, + + _setZoomDelta: function (zoomDelta) { + var keys = this._zoomKeys = {}, + codes = this.keyCodes, + i, len; + + for (i = 0, len = codes.zoomIn.length; i < len; i++) { + keys[codes.zoomIn[i]] = zoomDelta; + } + for (i = 0, len = codes.zoomOut.length; i < len; i++) { + keys[codes.zoomOut[i]] = -zoomDelta; + } + }, + + _addHooks: function () { + on(document, 'keydown', this._onKeyDown, this); + }, + + _removeHooks: function () { + off(document, 'keydown', this._onKeyDown, this); + }, + + _onKeyDown: function (e) { + if (e.altKey || e.ctrlKey || e.metaKey) { return; } + + var key = e.keyCode, + map = this._map, + offset; + + if (key in this._panKeys) { + if (!map._panAnim || !map._panAnim._inProgress) { + offset = this._panKeys[key]; + if (e.shiftKey) { + offset = toPoint(offset).multiplyBy(3); + } + + map.panBy(offset); + + if (map.options.maxBounds) { + map.panInsideBounds(map.options.maxBounds); + } + } + } else if (key in this._zoomKeys) { + map.setZoom(map.getZoom() + (e.shiftKey ? 3 : 1) * this._zoomKeys[key]); + + } else if (key === 27 && map._popup && map._popup.options.closeOnEscapeKey) { + map.closePopup(); + + } else { + return; + } + + stop(e); + } +}); + +// @section Handlers +// @section Handlers +// @property keyboard: Handler +// Keyboard navigation handler. +Map.addInitHook('addHandler', 'keyboard', Keyboard); + +/* + * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Mousewheel options + // @option scrollWheelZoom: Boolean|String = true + // Whether the map can be zoomed by using the mouse wheel. If passed `'center'`, + // it will zoom to the center of the view regardless of where the mouse was. + scrollWheelZoom: true, + + // @option wheelDebounceTime: Number = 40 + // Limits the rate at which a wheel can fire (in milliseconds). By default + // user can't zoom via wheel more often than once per 40 ms. + wheelDebounceTime: 40, + + // @option wheelPxPerZoomLevel: Number = 60 + // How many scroll pixels (as reported by [L.DomEvent.getWheelDelta](#domevent-getwheeldelta)) + // mean a change of one full zoom level. Smaller values will make wheel-zooming + // faster (and vice versa). + wheelPxPerZoomLevel: 60 +}); + +var ScrollWheelZoom = Handler.extend({ + addHooks: function () { + on(this._map._container, 'mousewheel', this._onWheelScroll, this); + + this._delta = 0; + }, + + removeHooks: function () { + off(this._map._container, 'mousewheel', this._onWheelScroll, this); + }, + + _onWheelScroll: function (e) { + var delta = getWheelDelta(e); + + var debounce = this._map.options.wheelDebounceTime; + + this._delta += delta; + this._lastMousePos = this._map.mouseEventToContainerPoint(e); + + if (!this._startTime) { + this._startTime = +new Date(); + } + + var left = Math.max(debounce - (+new Date() - this._startTime), 0); + + clearTimeout(this._timer); + this._timer = setTimeout(bind(this._performZoom, this), left); + + stop(e); + }, + + _performZoom: function () { + var map = this._map, + zoom = map.getZoom(), + snap = this._map.options.zoomSnap || 0; + + map._stop(); // stop panning and fly animations if any + + // map the delta with a sigmoid function to -4..4 range leaning on -1..1 + var d2 = this._delta / (this._map.options.wheelPxPerZoomLevel * 4), + d3 = 4 * Math.log(2 / (1 + Math.exp(-Math.abs(d2)))) / Math.LN2, + d4 = snap ? Math.ceil(d3 / snap) * snap : d3, + delta = map._limitZoom(zoom + (this._delta > 0 ? d4 : -d4)) - zoom; + + this._delta = 0; + this._startTime = null; + + if (!delta) { return; } + + if (map.options.scrollWheelZoom === 'center') { + map.setZoom(zoom + delta); + } else { + map.setZoomAround(this._lastMousePos, zoom + delta); + } + } +}); + +// @section Handlers +// @property scrollWheelZoom: Handler +// Scroll wheel zoom handler. +Map.addInitHook('addHandler', 'scrollWheelZoom', ScrollWheelZoom); + +/* + * L.Map.Tap is used to enable mobile hacks like quick taps and long hold. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Touch interaction options + // @option tap: Boolean = true + // Enables mobile hacks for supporting instant taps (fixing 200ms click + // delay on iOS/Android) and touch holds (fired as `contextmenu` events). + tap: true, + + // @option tapTolerance: Number = 15 + // The max number of pixels a user can shift his finger during touch + // for it to be considered a valid tap. + tapTolerance: 15 +}); + +var Tap = Handler.extend({ + addHooks: function () { + on(this._map._container, 'touchstart', this._onDown, this); + }, + + removeHooks: function () { + off(this._map._container, 'touchstart', this._onDown, this); + }, + + _onDown: function (e) { + if (!e.touches) { return; } + + preventDefault(e); + + this._fireClick = true; + + // don't simulate click or track longpress if more than 1 touch + if (e.touches.length > 1) { + this._fireClick = false; + clearTimeout(this._holdTimeout); + return; + } + + var first = e.touches[0], + el = first.target; + + this._startPos = this._newPos = new Point(first.clientX, first.clientY); + + // if touching a link, highlight it + if (el.tagName && el.tagName.toLowerCase() === 'a') { + addClass(el, 'leaflet-active'); + } + + // simulate long hold but setting a timeout + this._holdTimeout = setTimeout(bind(function () { + if (this._isTapValid()) { + this._fireClick = false; + this._onUp(); + this._simulateEvent('contextmenu', first); + } + }, this), 1000); + + this._simulateEvent('mousedown', first); + + on(document, { + touchmove: this._onMove, + touchend: this._onUp + }, this); + }, + + _onUp: function (e) { + clearTimeout(this._holdTimeout); + + off(document, { + touchmove: this._onMove, + touchend: this._onUp + }, this); + + if (this._fireClick && e && e.changedTouches) { + + var first = e.changedTouches[0], + el = first.target; + + if (el && el.tagName && el.tagName.toLowerCase() === 'a') { + removeClass(el, 'leaflet-active'); + } + + this._simulateEvent('mouseup', first); + + // simulate click if the touch didn't move too much + if (this._isTapValid()) { + this._simulateEvent('click', first); + } + } + }, + + _isTapValid: function () { + return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance; + }, + + _onMove: function (e) { + var first = e.touches[0]; + this._newPos = new Point(first.clientX, first.clientY); + this._simulateEvent('mousemove', first); + }, + + _simulateEvent: function (type, e) { + var simulatedEvent = document.createEvent('MouseEvents'); + + simulatedEvent._simulated = true; + e.target._simulatedClick = true; + + simulatedEvent.initMouseEvent( + type, true, true, window, 1, + e.screenX, e.screenY, + e.clientX, e.clientY, + false, false, false, false, 0, null); + + e.target.dispatchEvent(simulatedEvent); + } +}); + +// @section Handlers +// @property tap: Handler +// Mobile touch hacks (quick tap and touch hold) handler. +if (touch && !pointer) { + Map.addInitHook('addHandler', 'tap', Tap); +} + +/* + * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Touch interaction options + // @option touchZoom: Boolean|String = * + // Whether the map can be zoomed by touch-dragging with two fingers. If + // passed `'center'`, it will zoom to the center of the view regardless of + // where the touch events (fingers) were. Enabled for touch-capable web + // browsers except for old Androids. + touchZoom: touch && !android23, + + // @option bounceAtZoomLimits: Boolean = true + // Set it to false if you don't want the map to zoom beyond min/max zoom + // and then bounce back when pinch-zooming. + bounceAtZoomLimits: true +}); + +var TouchZoom = Handler.extend({ + addHooks: function () { + addClass(this._map._container, 'leaflet-touch-zoom'); + on(this._map._container, 'touchstart', this._onTouchStart, this); + }, + + removeHooks: function () { + removeClass(this._map._container, 'leaflet-touch-zoom'); + off(this._map._container, 'touchstart', this._onTouchStart, this); + }, + + _onTouchStart: function (e) { + var map = this._map; + if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; } + + var p1 = map.mouseEventToContainerPoint(e.touches[0]), + p2 = map.mouseEventToContainerPoint(e.touches[1]); + + this._centerPoint = map.getSize()._divideBy(2); + this._startLatLng = map.containerPointToLatLng(this._centerPoint); + if (map.options.touchZoom !== 'center') { + this._pinchStartLatLng = map.containerPointToLatLng(p1.add(p2)._divideBy(2)); + } + + this._startDist = p1.distanceTo(p2); + this._startZoom = map.getZoom(); + + this._moved = false; + this._zooming = true; + + map._stop(); + + on(document, 'touchmove', this._onTouchMove, this); + on(document, 'touchend', this._onTouchEnd, this); + + preventDefault(e); + }, + + _onTouchMove: function (e) { + if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; } + + var map = this._map, + p1 = map.mouseEventToContainerPoint(e.touches[0]), + p2 = map.mouseEventToContainerPoint(e.touches[1]), + scale = p1.distanceTo(p2) / this._startDist; + + this._zoom = map.getScaleZoom(scale, this._startZoom); + + if (!map.options.bounceAtZoomLimits && ( + (this._zoom < map.getMinZoom() && scale < 1) || + (this._zoom > map.getMaxZoom() && scale > 1))) { + this._zoom = map._limitZoom(this._zoom); + } + + if (map.options.touchZoom === 'center') { + this._center = this._startLatLng; + if (scale === 1) { return; } + } else { + // Get delta from pinch to center, so centerLatLng is delta applied to initial pinchLatLng + var delta = p1._add(p2)._divideBy(2)._subtract(this._centerPoint); + if (scale === 1 && delta.x === 0 && delta.y === 0) { return; } + this._center = map.unproject(map.project(this._pinchStartLatLng, this._zoom).subtract(delta), this._zoom); + } + + if (!this._moved) { + map._moveStart(true, false); + this._moved = true; + } + + cancelAnimFrame(this._animRequest); + + var moveFn = bind(map._move, map, this._center, this._zoom, {pinch: true, round: false}); + this._animRequest = requestAnimFrame(moveFn, this, true); + + preventDefault(e); + }, + + _onTouchEnd: function () { + if (!this._moved || !this._zooming) { + this._zooming = false; + return; + } + + this._zooming = false; + cancelAnimFrame(this._animRequest); + + off(document, 'touchmove', this._onTouchMove); + off(document, 'touchend', this._onTouchEnd); + + // Pinch updates GridLayers' levels only when zoomSnap is off, so zoomSnap becomes noUpdate. + if (this._map.options.zoomAnimation) { + this._map._animateZoom(this._center, this._map._limitZoom(this._zoom), true, this._map.options.zoomSnap); + } else { + this._map._resetView(this._center, this._map._limitZoom(this._zoom)); + } + } +}); + +// @section Handlers +// @property touchZoom: Handler +// Touch zoom handler. +Map.addInitHook('addHandler', 'touchZoom', TouchZoom); + +Map.BoxZoom = BoxZoom; +Map.DoubleClickZoom = DoubleClickZoom; +Map.Drag = Drag; +Map.Keyboard = Keyboard; +Map.ScrollWheelZoom = ScrollWheelZoom; +Map.Tap = Tap; +Map.TouchZoom = TouchZoom; + +Object.freeze = freeze; + +exports.version = version; +exports.Control = Control; +exports.control = control; +exports.Browser = Browser; +exports.Evented = Evented; +exports.Mixin = Mixin; +exports.Util = Util; +exports.Class = Class; +exports.Handler = Handler; +exports.extend = extend; +exports.bind = bind; +exports.stamp = stamp; +exports.setOptions = setOptions; +exports.DomEvent = DomEvent; +exports.DomUtil = DomUtil; +exports.PosAnimation = PosAnimation; +exports.Draggable = Draggable; +exports.LineUtil = LineUtil; +exports.PolyUtil = PolyUtil; +exports.Point = Point; +exports.point = toPoint; +exports.Bounds = Bounds; +exports.bounds = toBounds; +exports.Transformation = Transformation; +exports.transformation = toTransformation; +exports.Projection = index; +exports.LatLng = LatLng; +exports.latLng = toLatLng; +exports.LatLngBounds = LatLngBounds; +exports.latLngBounds = toLatLngBounds; +exports.CRS = CRS; +exports.GeoJSON = GeoJSON; +exports.geoJSON = geoJSON; +exports.geoJson = geoJson; +exports.Layer = Layer; +exports.LayerGroup = LayerGroup; +exports.layerGroup = layerGroup; +exports.FeatureGroup = FeatureGroup; +exports.featureGroup = featureGroup; +exports.ImageOverlay = ImageOverlay; +exports.imageOverlay = imageOverlay; +exports.VideoOverlay = VideoOverlay; +exports.videoOverlay = videoOverlay; +exports.DivOverlay = DivOverlay; +exports.Popup = Popup; +exports.popup = popup; +exports.Tooltip = Tooltip; +exports.tooltip = tooltip; +exports.Icon = Icon; +exports.icon = icon; +exports.DivIcon = DivIcon; +exports.divIcon = divIcon; +exports.Marker = Marker; +exports.marker = marker; +exports.TileLayer = TileLayer; +exports.tileLayer = tileLayer; +exports.GridLayer = GridLayer; +exports.gridLayer = gridLayer; +exports.SVG = SVG; +exports.svg = svg$1; +exports.Renderer = Renderer; +exports.Canvas = Canvas; +exports.canvas = canvas$1; +exports.Path = Path; +exports.CircleMarker = CircleMarker; +exports.circleMarker = circleMarker; +exports.Circle = Circle; +exports.circle = circle; +exports.Polyline = Polyline; +exports.polyline = polyline; +exports.Polygon = Polygon; +exports.polygon = polygon; +exports.Rectangle = Rectangle; +exports.rectangle = rectangle; +exports.Map = Map; +exports.map = createMap; + +var oldL = window.L; +exports.noConflict = function() { + window.L = oldL; + return this; +} + +// Always export us to window global (see #2364) +window.L = exports; + +}))); +//# sourceMappingURL=leaflet-src.js.map