/*
- Copyright (c) 2010-2012, CloudMade, Vladimir Agafonkin
- Leaflet is an open-source JavaScript library for mobile-friendly interactive maps.
- http://leaflet.cloudmade.com
+ Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
+ (c) 2010-2013, Vladimir Agafonkin
+ (c) 2010-2011, CloudMade
*/
-(function (window, undefined) {
-
-var L, originalL;\r
-\r
-if (typeof exports !== undefined + '') {\r
- L = exports;\r
-} else {\r
- originalL = window.L;\r
- L = {};\r
-\r
- L.noConflict = function () {\r
- window.L = originalL;\r
- return this;\r
- };\r
-\r
- window.L = L;\r
-}\r
-\r
-L.version = '0.4.4';\r
-
-
-/*\r
- * L.Util is a namespace for various utility functions.\r
- */\r
-\r
-L.Util = {\r
- extend: function (/*Object*/ dest) /*-> Object*/ { // merge src properties into dest\r
- var sources = Array.prototype.slice.call(arguments, 1);\r
- for (var j = 0, len = sources.length, src; j < len; j++) {\r
- src = sources[j] || {};\r
- for (var i in src) {\r
- if (src.hasOwnProperty(i)) {\r
- dest[i] = src[i];\r
- }\r
- }\r
- }\r
- return dest;\r
- },\r
-\r
- bind: function (fn, obj) { // (Function, Object) -> Function\r
- var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null;\r
- return function () {\r
- return fn.apply(obj, args || arguments);\r
- };\r
- },\r
-\r
- stamp: (function () {\r
- var lastId = 0, key = '_leaflet_id';\r
- return function (/*Object*/ obj) {\r
- obj[key] = obj[key] || ++lastId;\r
- return obj[key];\r
- };\r
- }()),\r
-\r
- limitExecByInterval: function (fn, time, context) {\r
- var lock, execOnUnlock;\r
-\r
- return function wrapperFn() {\r
- var args = arguments;\r
-\r
- if (lock) {\r
- execOnUnlock = true;\r
- return;\r
- }\r
-\r
- lock = true;\r
-\r
- setTimeout(function () {\r
- lock = false;\r
-\r
- if (execOnUnlock) {\r
- wrapperFn.apply(context, args);\r
- execOnUnlock = false;\r
- }\r
- }, time);\r
-\r
- fn.apply(context, args);\r
- };\r
- },\r
-\r
- falseFn: function () {\r
- return false;\r
- },\r
-\r
- formatNum: function (num, digits) {\r
- var pow = Math.pow(10, digits || 5);\r
- return Math.round(num * pow) / pow;\r
- },\r
-\r
- splitWords: function (str) {\r
- return str.replace(/^\s+|\s+$/g, '').split(/\s+/);\r
- },\r
-\r
- setOptions: function (obj, options) {\r
- obj.options = L.Util.extend({}, obj.options, options);\r
- return obj.options;\r
- },\r
-\r
- getParamString: function (obj) {\r
- var params = [];\r
- for (var i in obj) {\r
- if (obj.hasOwnProperty(i)) {\r
- params.push(i + '=' + obj[i]);\r
- }\r
- }\r
- return '?' + params.join('&');\r
- },\r
-\r
- template: function (str, data) {\r
- return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {\r
- var value = data[key];\r
- if (!data.hasOwnProperty(key)) {\r
- throw new Error('No value provided for variable ' + str);\r
- }\r
- return value;\r
- });\r
- },\r
-\r
- emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='\r
-};\r
-\r
-(function () {\r
-\r
- // inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/\r
-\r
- function getPrefixed(name) {\r
- var i, fn,\r
- prefixes = ['webkit', 'moz', 'o', 'ms'];\r
-\r
- for (i = 0; i < prefixes.length && !fn; i++) {\r
- fn = window[prefixes[i] + name];\r
- }\r
-\r
- return fn;\r
- }\r
-\r
- var lastTime = 0;\r
-\r
- function timeoutDefer(fn) {\r
- var time = +new Date(),\r
- timeToCall = Math.max(0, 16 - (time - lastTime));\r
-\r
- lastTime = time + timeToCall;\r
- return window.setTimeout(fn, timeToCall);\r
- }\r
-\r
- var requestFn = window.requestAnimationFrame ||\r
- getPrefixed('RequestAnimationFrame') || timeoutDefer;\r
-\r
- var cancelFn = window.cancelAnimationFrame ||\r
- getPrefixed('CancelAnimationFrame') ||\r
- getPrefixed('CancelRequestAnimationFrame') ||\r
- function (id) {\r
- window.clearTimeout(id);\r
- };\r
-\r
-\r
- L.Util.requestAnimFrame = function (fn, context, immediate, element) {\r
- fn = L.Util.bind(fn, context);\r
-\r
- if (immediate && requestFn === timeoutDefer) {\r
- fn();\r
- } else {\r
- return requestFn.call(window, fn, element);\r
- }\r
- };\r
-\r
- L.Util.cancelAnimFrame = function (id) {\r
- if (id) {\r
- cancelFn.call(window, id);\r
- }\r
- };\r
-\r
-}());\r
-
-
-/*\r
- * Class powers the OOP facilities of the library. Thanks to John Resig and Dean Edwards for inspiration!\r
- */\r
-\r
-L.Class = function () {};\r
-\r
-L.Class.extend = function (/*Object*/ props) /*-> Class*/ {\r
-\r
- // extended class with the new prototype\r
- var NewClass = function () {\r
- if (this.initialize) {\r
- this.initialize.apply(this, arguments);\r
- }\r
- };\r
-\r
- // instantiate class without calling constructor\r
- var F = function () {};\r
- F.prototype = this.prototype;\r
-\r
- var proto = new F();\r
- proto.constructor = NewClass;\r
-\r
- NewClass.prototype = proto;\r
-\r
- //inherit parent's statics\r
- for (var i in this) {\r
- if (this.hasOwnProperty(i) && i !== 'prototype') {\r
- NewClass[i] = this[i];\r
- }\r
- }\r
-\r
- // mix static properties into the class\r
- if (props.statics) {\r
- L.Util.extend(NewClass, props.statics);\r
- delete props.statics;\r
- }\r
-\r
- // mix includes into the prototype\r
- if (props.includes) {\r
- L.Util.extend.apply(null, [proto].concat(props.includes));\r
- delete props.includes;\r
- }\r
-\r
- // merge options\r
- if (props.options && proto.options) {\r
- props.options = L.Util.extend({}, proto.options, props.options);\r
- }\r
-\r
- // mix given properties into the prototype\r
- L.Util.extend(proto, props);\r
-\r
- return NewClass;\r
-};\r
-\r
-\r
-// method for adding properties to prototype\r
-L.Class.include = function (props) {\r
- L.Util.extend(this.prototype, props);\r
-};\r
-\r
-L.Class.mergeOptions = function (options) {\r
- L.Util.extend(this.prototype.options, options);\r
+(function (window, document, undefined) {
+var oldL = window.L,
+ L = {};
+
+L.version = '0.7.7';
+
+// define Leaflet for Node module pattern loaders, including Browserify
+if (typeof module === 'object' && typeof module.exports === 'object') {
+ module.exports = L;
+
+// define Leaflet as an AMD module
+} else if (typeof define === 'function' && define.amd) {
+ define(L);
+}
+
+// define Leaflet as a global L variable, saving the original L to restore later if needed
+
+L.noConflict = function () {
+ window.L = oldL;
+ return this;
+};
+
+window.L = L;
+
+
+/*
+ * L.Util contains various utility functions used throughout Leaflet code.
+ */
+
+L.Util = {
+ extend: function (dest) { // (Object[, Object, ...]) ->
+ var sources = Array.prototype.slice.call(arguments, 1),
+ i, j, len, src;
+
+ for (j = 0, len = sources.length; j < len; j++) {
+ src = sources[j] || {};
+ for (i in src) {
+ if (src.hasOwnProperty(i)) {
+ dest[i] = src[i];
+ }
+ }
+ }
+ return dest;
+ },
+
+ bind: function (fn, obj) { // (Function, Object) -> Function
+ var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null;
+ return function () {
+ return fn.apply(obj, args || arguments);
+ };
+ },
+
+ stamp: (function () {
+ var lastId = 0,
+ key = '_leaflet_id';
+ return function (obj) {
+ obj[key] = obj[key] || ++lastId;
+ return obj[key];
+ };
+ }()),
+
+ invokeEach: function (obj, method, context) {
+ var i, args;
+
+ if (typeof obj === 'object') {
+ args = Array.prototype.slice.call(arguments, 3);
+
+ for (i in obj) {
+ method.apply(context, [i, obj[i]].concat(args));
+ }
+ return true;
+ }
+
+ return false;
+ },
+
+ limitExecByInterval: function (fn, time, context) {
+ var lock, execOnUnlock;
+
+ return function wrapperFn() {
+ var args = arguments;
+
+ if (lock) {
+ execOnUnlock = true;
+ return;
+ }
+
+ lock = true;
+
+ setTimeout(function () {
+ lock = false;
+
+ if (execOnUnlock) {
+ wrapperFn.apply(context, args);
+ execOnUnlock = false;
+ }
+ }, time);
+
+ fn.apply(context, args);
+ };
+ },
+
+ falseFn: function () {
+ return false;
+ },
+
+ formatNum: function (num, digits) {
+ var pow = Math.pow(10, digits || 5);
+ return Math.round(num * pow) / pow;
+ },
+
+ trim: function (str) {
+ return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
+ },
+
+ splitWords: function (str) {
+ return L.Util.trim(str).split(/\s+/);
+ },
+
+ setOptions: function (obj, options) {
+ obj.options = L.extend({}, obj.options, options);
+ return obj.options;
+ },
+
+ getParamString: function (obj, existingUrl, uppercase) {
+ var params = [];
+ for (var i in obj) {
+ params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
+ }
+ return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
+ },
+ template: function (str, data) {
+ return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
+ var value = data[key];
+ if (value === undefined) {
+ throw new Error('No value provided for variable ' + str);
+ } else if (typeof value === 'function') {
+ value = value(data);
+ }
+ return value;
+ });
+ },
+
+ isArray: Array.isArray || function (obj) {
+ return (Object.prototype.toString.call(obj) === '[object Array]');
+ },
+
+ emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
+};
+
+(function () {
+
+ // inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+
+ function getPrefixed(name) {
+ var i, fn,
+ prefixes = ['webkit', 'moz', 'o', 'ms'];
+
+ for (i = 0; i < prefixes.length && !fn; i++) {
+ fn = window[prefixes[i] + name];
+ }
+
+ return fn;
+ }
+
+ var lastTime = 0;
+
+ function timeoutDefer(fn) {
+ var time = +new Date(),
+ timeToCall = Math.max(0, 16 - (time - lastTime));
+
+ lastTime = time + timeToCall;
+ return window.setTimeout(fn, timeToCall);
+ }
+
+ var requestFn = window.requestAnimationFrame ||
+ getPrefixed('RequestAnimationFrame') || timeoutDefer;
+
+ var cancelFn = window.cancelAnimationFrame ||
+ getPrefixed('CancelAnimationFrame') ||
+ getPrefixed('CancelRequestAnimationFrame') ||
+ function (id) { window.clearTimeout(id); };
+
+
+ L.Util.requestAnimFrame = function (fn, context, immediate, element) {
+ fn = L.bind(fn, context);
+
+ if (immediate && requestFn === timeoutDefer) {
+ fn();
+ } else {
+ return requestFn.call(window, fn, element);
+ }
+ };
+
+ L.Util.cancelAnimFrame = function (id) {
+ if (id) {
+ cancelFn.call(window, id);
+ }
+ };
+
+}());
+
+// shortcuts for most used utility functions
+L.extend = L.Util.extend;
+L.bind = L.Util.bind;
+L.stamp = L.Util.stamp;
+L.setOptions = L.Util.setOptions;
+
+
+/*
+ * L.Class powers the OOP facilities of the library.
+ * Thanks to John Resig and Dean Edwards for inspiration!
+ */
+
+L.Class = function () {};
+
+L.Class.extend = function (props) {
+
+ // extended class with the new prototype
+ var NewClass = function () {
+
+ // call the constructor
+ if (this.initialize) {
+ this.initialize.apply(this, arguments);
+ }
+
+ // call all constructor hooks
+ if (this._initHooks) {
+ this.callInitHooks();
+ }
+ };
+
+ // instantiate class without calling constructor
+ var F = function () {};
+ F.prototype = this.prototype;
+
+ var proto = new F();
+ proto.constructor = NewClass;
+
+ NewClass.prototype = proto;
+
+ //inherit parent's statics
+ for (var i in this) {
+ if (this.hasOwnProperty(i) && i !== 'prototype') {
+ NewClass[i] = this[i];
+ }
+ }
+
+ // mix static properties into the class
+ if (props.statics) {
+ L.extend(NewClass, props.statics);
+ delete props.statics;
+ }
+
+ // mix includes into the prototype
+ if (props.includes) {
+ L.Util.extend.apply(null, [proto].concat(props.includes));
+ delete props.includes;
+ }
+
+ // merge options
+ if (props.options && proto.options) {
+ props.options = L.extend({}, proto.options, props.options);
+ }
+
+ // mix given properties into the prototype
+ L.extend(proto, props);
+
+ proto._initHooks = [];
+
+ var parent = this;
+ // jshint camelcase: false
+ NewClass.__super__ = parent.prototype;
+
+ // add method for calling all hooks
+ proto.callInitHooks = function () {
+
+ if (this._initHooksCalled) { return; }
+
+ if (parent.prototype.callInitHooks) {
+ parent.prototype.callInitHooks.call(this);
+ }
+
+ this._initHooksCalled = true;
+
+ for (var i = 0, len = proto._initHooks.length; i < len; i++) {
+ proto._initHooks[i].call(this);
+ }
+ };
+
+ return NewClass;
+};
+
+
+// method for adding properties to prototype
+L.Class.include = function (props) {
+ L.extend(this.prototype, props);
+};
+
+// merge new default options to the Class
+L.Class.mergeOptions = function (options) {
+ L.extend(this.prototype.options, options);
+};
+
+// add a constructor hook
+L.Class.addInitHook = function (fn) { // (Function) || (String, args...)
+ var args = Array.prototype.slice.call(arguments, 1);
+
+ var init = typeof fn === 'function' ? fn : function () {
+ this[fn].apply(this, args);
+ };
+
+ this.prototype._initHooks = this.prototype._initHooks || [];
+ this.prototype._initHooks.push(init);
+};
+
+
+/*
+ * L.Mixin.Events is used to add custom events functionality to Leaflet classes.
+ */
+
+var eventsKey = '_leaflet_events';
+
+L.Mixin = {};
+
+L.Mixin.Events = {
+
+ addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
+
+ // types can be a map of types/handlers
+ if (L.Util.invokeEach(types, this.addEventListener, this, fn, context)) { return this; }
+
+ var events = this[eventsKey] = this[eventsKey] || {},
+ contextId = context && context !== this && L.stamp(context),
+ i, len, event, type, indexKey, indexLenKey, typeIndex;
+
+ // types can be a string of space-separated words
+ types = L.Util.splitWords(types);
+
+ for (i = 0, len = types.length; i < len; i++) {
+ event = {
+ action: fn,
+ context: context || this
+ };
+ type = types[i];
+
+ if (contextId) {
+ // store listeners of a particular context in a separate hash (if it has an id)
+ // gives a major performance boost when removing thousands of map layers
+
+ indexKey = type + '_idx';
+ indexLenKey = indexKey + '_len';
+
+ typeIndex = events[indexKey] = events[indexKey] || {};
+
+ if (!typeIndex[contextId]) {
+ typeIndex[contextId] = [];
+
+ // keep track of the number of keys in the index to quickly check if it's empty
+ events[indexLenKey] = (events[indexLenKey] || 0) + 1;
+ }
+
+ typeIndex[contextId].push(event);
+
+
+ } else {
+ events[type] = events[type] || [];
+ events[type].push(event);
+ }
+ }
+
+ return this;
+ },
+
+ hasEventListeners: function (type) { // (String) -> Boolean
+ var events = this[eventsKey];
+ return !!events && ((type in events && events[type].length > 0) ||
+ (type + '_idx' in events && events[type + '_idx_len'] > 0));
+ },
+
+ removeEventListener: function (types, fn, context) { // ([String, Function, Object]) or (Object[, Object])
+
+ if (!this[eventsKey]) {
+ return this;
+ }
+
+ if (!types) {
+ return this.clearAllEventListeners();
+ }
+
+ if (L.Util.invokeEach(types, this.removeEventListener, this, fn, context)) { return this; }
+
+ var events = this[eventsKey],
+ contextId = context && context !== this && L.stamp(context),
+ i, len, type, listeners, j, indexKey, indexLenKey, typeIndex, removed;
+
+ types = L.Util.splitWords(types);
+
+ for (i = 0, len = types.length; i < len; i++) {
+ type = types[i];
+ indexKey = type + '_idx';
+ indexLenKey = indexKey + '_len';
+
+ typeIndex = events[indexKey];
+
+ if (!fn) {
+ // clear all listeners for a type if function isn't specified
+ delete events[type];
+ delete events[indexKey];
+ delete events[indexLenKey];
+
+ } else {
+ listeners = contextId && typeIndex ? typeIndex[contextId] : events[type];
+
+ if (listeners) {
+ for (j = listeners.length - 1; j >= 0; j--) {
+ if ((listeners[j].action === fn) && (!context || (listeners[j].context === context))) {
+ removed = listeners.splice(j, 1);
+ // set the old action to a no-op, because it is possible
+ // that the listener is being iterated over as part of a dispatch
+ removed[0].action = L.Util.falseFn;
+ }
+ }
+
+ if (context && typeIndex && (listeners.length === 0)) {
+ delete typeIndex[contextId];
+ events[indexLenKey]--;
+ }
+ }
+ }
+ }
+
+ return this;
+ },
+
+ clearAllEventListeners: function () {
+ delete this[eventsKey];
+ return this;
+ },
+
+ fireEvent: function (type, data) { // (String[, Object])
+ if (!this.hasEventListeners(type)) {
+ return this;
+ }
+
+ var event = L.Util.extend({}, data, { type: type, target: this });
+
+ var events = this[eventsKey],
+ listeners, i, len, typeIndex, contextId;
+
+ if (events[type]) {
+ // make sure adding/removing listeners inside other listeners won't cause infinite loop
+ listeners = events[type].slice();
+
+ for (i = 0, len = listeners.length; i < len; i++) {
+ listeners[i].action.call(listeners[i].context, event);
+ }
+ }
+
+ // fire event for the context-indexed listeners as well
+ typeIndex = events[type + '_idx'];
+
+ for (contextId in typeIndex) {
+ listeners = typeIndex[contextId].slice();
+
+ if (listeners) {
+ for (i = 0, len = listeners.length; i < len; i++) {
+ listeners[i].action.call(listeners[i].context, event);
+ }
+ }
+ }
+
+ return this;
+ },
+
+ addOneTimeEventListener: function (types, fn, context) {
+
+ if (L.Util.invokeEach(types, this.addOneTimeEventListener, this, fn, context)) { return this; }
+
+ var handler = L.bind(function () {
+ this
+ .removeEventListener(types, fn, context)
+ .removeEventListener(types, handler, context);
+ }, this);
+
+ return this
+ .addEventListener(types, fn, context)
+ .addEventListener(types, handler, context);
+ }
+};
+
+L.Mixin.Events.on = L.Mixin.Events.addEventListener;
+L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
+L.Mixin.Events.once = L.Mixin.Events.addOneTimeEventListener;
+L.Mixin.Events.fire = L.Mixin.Events.fireEvent;
+
+
+/*
+ * L.Browser handles different browser and feature detections for internal Leaflet use.
+ */
+
+(function () {
+
+ var ie = 'ActiveXObject' in window,
+ ielt9 = ie && !document.addEventListener,
+
+ // terrible browser detection to work around Safari / iOS / Android browser bugs
+ ua = navigator.userAgent.toLowerCase(),
+ webkit = ua.indexOf('webkit') !== -1,
+ chrome = ua.indexOf('chrome') !== -1,
+ phantomjs = ua.indexOf('phantom') !== -1,
+ android = ua.indexOf('android') !== -1,
+ android23 = ua.search('android [23]') !== -1,
+ gecko = ua.indexOf('gecko') !== -1,
+
+ mobile = typeof orientation !== undefined + '',
+ msPointer = !window.PointerEvent && window.MSPointerEvent,
+ pointer = (window.PointerEvent && window.navigator.pointerEnabled) ||
+ msPointer,
+ retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
+ ('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') &&
+ window.matchMedia('(min-resolution:144dpi)').matches),
+
+ doc = document.documentElement,
+ ie3d = ie && ('transition' in doc.style),
+ webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23,
+ gecko3d = 'MozPerspective' in doc.style,
+ opera3d = 'OTransition' in doc.style,
+ any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;
+
+ var touch = !window.L_NO_TOUCH && !phantomjs && (pointer || 'ontouchstart' in window ||
+ (window.DocumentTouch && document instanceof window.DocumentTouch));
+
+ L.Browser = {
+ ie: ie,
+ ielt9: ielt9,
+ webkit: webkit,
+ gecko: gecko && !webkit && !window.opera && !ie,
+
+ android: android,
+ android23: android23,
+
+ chrome: chrome,
+
+ ie3d: ie3d,
+ webkit3d: webkit3d,
+ gecko3d: gecko3d,
+ opera3d: opera3d,
+ any3d: any3d,
+
+ mobile: mobile,
+ mobileWebkit: mobile && webkit,
+ mobileWebkit3d: mobile && webkit3d,
+ mobileOpera: mobile && window.opera,
+
+ touch: touch,
+ msPointer: msPointer,
+ pointer: pointer,
+
+ retina: retina
+ };
+
+}());
+
+
+/*
+ * L.Point represents a point with x and y coordinates.
+ */
+
+L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ round) {
+ this.x = (round ? Math.round(x) : x);
+ this.y = (round ? Math.round(y) : y);
+};
+
+L.Point.prototype = {
+
+ clone: function () {
+ return new L.Point(this.x, this.y);
+ },
+
+ // non-destructive, returns a new point
+ add: function (point) {
+ return this.clone()._add(L.point(point));
+ },
+
+ // destructive, used directly for performance in situations where it's safe to modify existing point
+ _add: function (point) {
+ this.x += point.x;
+ this.y += point.y;
+ return this;
+ },
+
+ subtract: function (point) {
+ return this.clone()._subtract(L.point(point));
+ },
+
+ _subtract: function (point) {
+ this.x -= point.x;
+ this.y -= point.y;
+ return this;
+ },
+
+ divideBy: function (num) {
+ return this.clone()._divideBy(num);
+ },
+
+ _divideBy: function (num) {
+ this.x /= num;
+ this.y /= num;
+ return this;
+ },
+
+ multiplyBy: function (num) {
+ return this.clone()._multiplyBy(num);
+ },
+
+ _multiplyBy: function (num) {
+ this.x *= num;
+ this.y *= num;
+ return this;
+ },
+
+ round: function () {
+ return this.clone()._round();
+ },
+
+ _round: function () {
+ this.x = Math.round(this.x);
+ this.y = Math.round(this.y);
+ return this;
+ },
+
+ floor: function () {
+ return this.clone()._floor();
+ },
+
+ _floor: function () {
+ this.x = Math.floor(this.x);
+ this.y = Math.floor(this.y);
+ return this;
+ },
+
+ distanceTo: function (point) {
+ point = L.point(point);
+
+ var x = point.x - this.x,
+ y = point.y - this.y;
+
+ return Math.sqrt(x * x + y * y);
+ },
+
+ equals: function (point) {
+ point = L.point(point);
+
+ return point.x === this.x &&
+ point.y === this.y;
+ },
+
+ contains: function (point) {
+ point = L.point(point);
+
+ return Math.abs(point.x) <= Math.abs(this.x) &&
+ Math.abs(point.y) <= Math.abs(this.y);
+ },
+
+ toString: function () {
+ return 'Point(' +
+ L.Util.formatNum(this.x) + ', ' +
+ L.Util.formatNum(this.y) + ')';
+ }
+};
+
+L.point = function (x, y, round) {
+ if (x instanceof L.Point) {
+ return x;
+ }
+ if (L.Util.isArray(x)) {
+ return new L.Point(x[0], x[1]);
+ }
+ if (x === undefined || x === null) {
+ return x;
+ }
+ return new L.Point(x, y, round);
+};
+
+
+/*
+ * L.Bounds represents a rectangular area on the screen in pixel coordinates.
+ */
+
+L.Bounds = function (a, b) { //(Point, Point) or Point[]
+ if (!a) { return; }
+
+ var points = b ? [a, b] : a;
+
+ for (var i = 0, len = points.length; i < len; i++) {
+ this.extend(points[i]);
+ }
+};
+
+L.Bounds.prototype = {
+ // extend the bounds to contain the given point
+ extend: function (point) { // (Point)
+ point = L.point(point);
+
+ if (!this.min && !this.max) {
+ this.min = point.clone();
+ this.max = point.clone();
+ } else {
+ this.min.x = Math.min(point.x, this.min.x);
+ this.max.x = Math.max(point.x, this.max.x);
+ this.min.y = Math.min(point.y, this.min.y);
+ this.max.y = Math.max(point.y, this.max.y);
+ }
+ return this;
+ },
+
+ getCenter: function (round) { // (Boolean) -> Point
+ return new L.Point(
+ (this.min.x + this.max.x) / 2,
+ (this.min.y + this.max.y) / 2, round);
+ },
+
+ getBottomLeft: function () { // -> Point
+ return new L.Point(this.min.x, this.max.y);
+ },
+
+ getTopRight: function () { // -> Point
+ return new L.Point(this.max.x, this.min.y);
+ },
+
+ getSize: function () {
+ return this.max.subtract(this.min);
+ },
+
+ contains: function (obj) { // (Bounds) or (Point) -> Boolean
+ var min, max;
+
+ if (typeof obj[0] === 'number' || obj instanceof L.Point) {
+ obj = L.point(obj);
+ } else {
+ obj = L.bounds(obj);
+ }
+
+ if (obj instanceof L.Bounds) {
+ min = obj.min;
+ max = obj.max;
+ } else {
+ min = max = obj;
+ }
+
+ return (min.x >= this.min.x) &&
+ (max.x <= this.max.x) &&
+ (min.y >= this.min.y) &&
+ (max.y <= this.max.y);
+ },
+
+ intersects: function (bounds) { // (Bounds) -> Boolean
+ bounds = L.bounds(bounds);
+
+ var min = this.min,
+ max = this.max,
+ min2 = bounds.min,
+ max2 = bounds.max,
+ xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
+ yIntersects = (max2.y >= min.y) && (min2.y <= max.y);
+
+ return xIntersects && yIntersects;
+ },
+
+ isValid: function () {
+ return !!(this.min && this.max);
+ }
+};
+
+L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])
+ if (!a || a instanceof L.Bounds) {
+ return a;
+ }
+ return new L.Bounds(a, b);
+};
+
+
+/*
+ * L.Transformation is an utility class to perform simple point transformations through a 2d-matrix.
+ */
+
+L.Transformation = function (a, b, c, d) {
+ this._a = a;
+ this._b = b;
+ this._c = c;
+ this._d = d;
+};
+
+L.Transformation.prototype = {
+ transform: function (point, scale) { // (Point, Number) -> Point
+ return this._transform(point.clone(), scale);
+ },
+
+ // destructive transform (faster)
+ _transform: function (point, scale) {
+ scale = scale || 1;
+ point.x = scale * (this._a * point.x + this._b);
+ point.y = scale * (this._c * point.y + this._d);
+ return point;
+ },
+
+ untransform: function (point, scale) {
+ scale = scale || 1;
+ return new L.Point(
+ (point.x / scale - this._b) / this._a,
+ (point.y / scale - this._d) / this._c);
+ }
+};
+
+
+/*
+ * L.DomUtil contains various utility functions for working with DOM.
+ */
+
+L.DomUtil = {
+ get: function (id) {
+ return (typeof id === 'string' ? document.getElementById(id) : id);
+ },
+
+ getStyle: function (el, style) {
+
+ var value = el.style[style];
+
+ if (!value && el.currentStyle) {
+ value = el.currentStyle[style];
+ }
+
+ if ((!value || value === 'auto') && document.defaultView) {
+ var css = document.defaultView.getComputedStyle(el, null);
+ value = css ? css[style] : null;
+ }
+
+ return value === 'auto' ? null : value;
+ },
+
+ getViewportOffset: function (element) {
+
+ var top = 0,
+ left = 0,
+ el = element,
+ docBody = document.body,
+ docEl = document.documentElement,
+ pos;
+
+ do {
+ top += el.offsetTop || 0;
+ left += el.offsetLeft || 0;
+
+ //add borders
+ top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0;
+ left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0;
+
+ pos = L.DomUtil.getStyle(el, 'position');
+
+ if (el.offsetParent === docBody && pos === 'absolute') { break; }
+
+ if (pos === 'fixed') {
+ top += docBody.scrollTop || docEl.scrollTop || 0;
+ left += docBody.scrollLeft || docEl.scrollLeft || 0;
+ break;
+ }
+
+ if (pos === 'relative' && !el.offsetLeft) {
+ var width = L.DomUtil.getStyle(el, 'width'),
+ maxWidth = L.DomUtil.getStyle(el, 'max-width'),
+ r = el.getBoundingClientRect();
+
+ if (width !== 'none' || maxWidth !== 'none') {
+ left += r.left + el.clientLeft;
+ }
+
+ //calculate full y offset since we're breaking out of the loop
+ top += r.top + (docBody.scrollTop || docEl.scrollTop || 0);
+
+ break;
+ }
+
+ el = el.offsetParent;
+
+ } while (el);
+
+ el = element;
+
+ do {
+ if (el === docBody) { break; }
+
+ top -= el.scrollTop || 0;
+ left -= el.scrollLeft || 0;
+
+ el = el.parentNode;
+ } while (el);
+
+ return new L.Point(left, top);
+ },
+
+ documentIsLtr: function () {
+ if (!L.DomUtil._docIsLtrCached) {
+ L.DomUtil._docIsLtrCached = true;
+ L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr';
+ }
+ return L.DomUtil._docIsLtr;
+ },
+
+ create: function (tagName, className, container) {
+
+ var el = document.createElement(tagName);
+ el.className = className;
+
+ if (container) {
+ container.appendChild(el);
+ }
+
+ return el;
+ },
+
+ hasClass: function (el, name) {
+ if (el.classList !== undefined) {
+ return el.classList.contains(name);
+ }
+ var className = L.DomUtil._getClass(el);
+ return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className);
+ },
+
+ addClass: function (el, name) {
+ if (el.classList !== undefined) {
+ var classes = L.Util.splitWords(name);
+ for (var i = 0, len = classes.length; i < len; i++) {
+ el.classList.add(classes[i]);
+ }
+ } else if (!L.DomUtil.hasClass(el, name)) {
+ var className = L.DomUtil._getClass(el);
+ L.DomUtil._setClass(el, (className ? className + ' ' : '') + name);
+ }
+ },
+
+ removeClass: function (el, name) {
+ if (el.classList !== undefined) {
+ el.classList.remove(name);
+ } else {
+ L.DomUtil._setClass(el, L.Util.trim((' ' + L.DomUtil._getClass(el) + ' ').replace(' ' + name + ' ', ' ')));
+ }
+ },
+
+ _setClass: function (el, name) {
+ if (el.className.baseVal === undefined) {
+ el.className = name;
+ } else {
+ // in case of SVG element
+ el.className.baseVal = name;
+ }
+ },
+
+ _getClass: function (el) {
+ return el.className.baseVal === undefined ? el.className : el.className.baseVal;
+ },
+
+ setOpacity: function (el, value) {
+
+ if ('opacity' in el.style) {
+ el.style.opacity = value;
+
+ } else if ('filter' in el.style) {
+
+ var filter = false,
+ filterName = 'DXImageTransform.Microsoft.Alpha';
+
+ // filters collection throws an error if we try to retrieve a filter that doesn't exist
+ try {
+ filter = el.filters.item(filterName);
+ } catch (e) {
+ // don't set opacity to 1 if we haven't already set an opacity,
+ // it isn't needed and breaks transparent pngs.
+ if (value === 1) { return; }
+ }
+
+ value = Math.round(value * 100);
+
+ if (filter) {
+ filter.Enabled = (value !== 100);
+ filter.Opacity = value;
+ } else {
+ el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
+ }
+ }
+ },
+
+ testProp: function (props) {
+
+ var style = document.documentElement.style;
+
+ for (var i = 0; i < props.length; i++) {
+ if (props[i] in style) {
+ return props[i];
+ }
+ }
+ return false;
+ },
+
+ getTranslateString: function (point) {
+ // on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate
+ // makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care
+ // (same speed either way), Opera 12 doesn't support translate3d
+
+ var is3d = L.Browser.webkit3d,
+ open = 'translate' + (is3d ? '3d' : '') + '(',
+ close = (is3d ? ',0' : '') + ')';
+
+ return open + point.x + 'px,' + point.y + 'px' + close;
+ },
+
+ getScaleString: function (scale, origin) {
+
+ var preTranslateStr = L.DomUtil.getTranslateString(origin.add(origin.multiplyBy(-1 * scale))),
+ scaleStr = ' scale(' + scale + ') ';
+
+ return preTranslateStr + scaleStr;
+ },
+
+ setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])
+
+ // jshint camelcase: false
+ el._leaflet_pos = point;
+
+ if (!disable3D && L.Browser.any3d) {
+ el.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(point);
+ } else {
+ el.style.left = point.x + 'px';
+ el.style.top = point.y + 'px';
+ }
+ },
+
+ getPosition: function (el) {
+ // this method is only used for elements previously positioned using setPosition,
+ // so it's safe to cache the position for performance
+
+ // jshint camelcase: false
+ return el._leaflet_pos;
+ }
+};
+
+
+// prefix style property names
+
+L.DomUtil.TRANSFORM = L.DomUtil.testProp(
+ ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);
+
+// webkitTransition comes first because some browser versions that drop vendor prefix don't do
+// the same for the transitionend event, in particular the Android 4.1 stock browser
+
+L.DomUtil.TRANSITION = L.DomUtil.testProp(
+ ['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);
+
+L.DomUtil.TRANSITION_END =
+ L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ?
+ L.DomUtil.TRANSITION + 'End' : 'transitionend';
+
+(function () {
+ if ('onselectstart' in document) {
+ L.extend(L.DomUtil, {
+ disableTextSelection: function () {
+ L.DomEvent.on(window, 'selectstart', L.DomEvent.preventDefault);
+ },
+
+ enableTextSelection: function () {
+ L.DomEvent.off(window, 'selectstart', L.DomEvent.preventDefault);
+ }
+ });
+ } else {
+ var userSelectProperty = L.DomUtil.testProp(
+ ['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']);
+
+ L.extend(L.DomUtil, {
+ disableTextSelection: function () {
+ if (userSelectProperty) {
+ var style = document.documentElement.style;
+ this._userSelect = style[userSelectProperty];
+ style[userSelectProperty] = 'none';
+ }
+ },
+
+ enableTextSelection: function () {
+ if (userSelectProperty) {
+ document.documentElement.style[userSelectProperty] = this._userSelect;
+ delete this._userSelect;
+ }
+ }
+ });
+ }
+
+ L.extend(L.DomUtil, {
+ disableImageDrag: function () {
+ L.DomEvent.on(window, 'dragstart', L.DomEvent.preventDefault);
+ },
+
+ enableImageDrag: function () {
+ L.DomEvent.off(window, 'dragstart', L.DomEvent.preventDefault);
+ }
+ });
+})();
+
+
+/*
+ * L.LatLng represents a geographical point with latitude and longitude coordinates.
+ */
+
+L.LatLng = function (lat, lng, alt) { // (Number, Number, Number)
+ lat = parseFloat(lat);
+ lng = parseFloat(lng);
+
+ if (isNaN(lat) || isNaN(lng)) {
+ throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')');
+ }
+
+ this.lat = lat;
+ this.lng = lng;
+
+ if (alt !== undefined) {
+ this.alt = parseFloat(alt);
+ }
+};
+
+L.extend(L.LatLng, {
+ DEG_TO_RAD: Math.PI / 180,
+ RAD_TO_DEG: 180 / Math.PI,
+ MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check
+});
+
+L.LatLng.prototype = {
+ equals: function (obj) { // (LatLng) -> Boolean
+ if (!obj) { return false; }
+
+ obj = L.latLng(obj);
+
+ var margin = Math.max(
+ Math.abs(this.lat - obj.lat),
+ Math.abs(this.lng - obj.lng));
+
+ return margin <= L.LatLng.MAX_MARGIN;
+ },
+
+ toString: function (precision) { // (Number) -> String
+ return 'LatLng(' +
+ L.Util.formatNum(this.lat, precision) + ', ' +
+ L.Util.formatNum(this.lng, precision) + ')';
+ },
+
+ // Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula
+ // TODO move to projection code, LatLng shouldn't know about Earth
+ distanceTo: function (other) { // (LatLng) -> Number
+ other = L.latLng(other);
+
+ var R = 6378137, // earth radius in meters
+ d2r = L.LatLng.DEG_TO_RAD,
+ dLat = (other.lat - this.lat) * d2r,
+ dLon = (other.lng - this.lng) * d2r,
+ lat1 = this.lat * d2r,
+ lat2 = other.lat * d2r,
+ sin1 = Math.sin(dLat / 2),
+ sin2 = Math.sin(dLon / 2);
+
+ var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);
+
+ return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+ },
+
+ wrap: function (a, b) { // (Number, Number) -> LatLng
+ var lng = this.lng;
+
+ a = a || -180;
+ b = b || 180;
+
+ lng = (lng + b) % (b - a) + (lng < a || lng === b ? b : a);
+
+ return new L.LatLng(this.lat, lng);
+ }
+};
+
+L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Number)
+ if (a instanceof L.LatLng) {
+ return a;
+ }
+ if (L.Util.isArray(a)) {
+ if (typeof a[0] === 'number' || typeof a[0] === 'string') {
+ return new L.LatLng(a[0], a[1], a[2]);
+ } else {
+ return null;
+ }
+ }
+ if (a === undefined || a === null) {
+ return a;
+ }
+ if (typeof a === 'object' && 'lat' in a) {
+ return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon);
+ }
+ if (b === undefined) {
+ return null;
+ }
+ return new L.LatLng(a, b);
+};
+
+
+
+/*
+ * L.LatLngBounds represents a rectangular area on the map in geographical coordinates.
+ */
+
+L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])
+ if (!southWest) { return; }
+
+ var latlngs = northEast ? [southWest, northEast] : southWest;
+
+ for (var i = 0, len = latlngs.length; i < len; i++) {
+ this.extend(latlngs[i]);
+ }
+};
+
+L.LatLngBounds.prototype = {
+ // extend the bounds to contain the given point or bounds
+ extend: function (obj) { // (LatLng) or (LatLngBounds)
+ if (!obj) { return this; }
+
+ var latLng = L.latLng(obj);
+ if (latLng !== null) {
+ obj = latLng;
+ } else {
+ obj = L.latLngBounds(obj);
+ }
+
+ if (obj instanceof L.LatLng) {
+ if (!this._southWest && !this._northEast) {
+ this._southWest = new L.LatLng(obj.lat, obj.lng);
+ this._northEast = new L.LatLng(obj.lat, obj.lng);
+ } else {
+ this._southWest.lat = Math.min(obj.lat, this._southWest.lat);
+ this._southWest.lng = Math.min(obj.lng, this._southWest.lng);
+
+ this._northEast.lat = Math.max(obj.lat, this._northEast.lat);
+ this._northEast.lng = Math.max(obj.lng, this._northEast.lng);
+ }
+ } else if (obj instanceof L.LatLngBounds) {
+ this.extend(obj._southWest);
+ this.extend(obj._northEast);
+ }
+ return this;
+ },
+
+ // extend the bounds by a percentage
+ pad: function (bufferRatio) { // (Number) -> LatLngBounds
+ var sw = this._southWest,
+ ne = this._northEast,
+ heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,
+ widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;
+
+ return new L.LatLngBounds(
+ new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
+ new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
+ },
+
+ getCenter: function () { // -> LatLng
+ return new L.LatLng(
+ (this._southWest.lat + this._northEast.lat) / 2,
+ (this._southWest.lng + this._northEast.lng) / 2);
+ },
+
+ getSouthWest: function () {
+ return this._southWest;
+ },
+
+ getNorthEast: function () {
+ return this._northEast;
+ },
+
+ getNorthWest: function () {
+ return new L.LatLng(this.getNorth(), this.getWest());
+ },
+
+ getSouthEast: function () {
+ return new L.LatLng(this.getSouth(), this.getEast());
+ },
+
+ getWest: function () {
+ return this._southWest.lng;
+ },
+
+ getSouth: function () {
+ return this._southWest.lat;
+ },
+
+ getEast: function () {
+ return this._northEast.lng;
+ },
+
+ getNorth: function () {
+ return this._northEast.lat;
+ },
+
+ contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
+ if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
+ obj = L.latLng(obj);
+ } else {
+ obj = L.latLngBounds(obj);
+ }
+
+ var sw = this._southWest,
+ ne = this._northEast,
+ sw2, ne2;
+
+ if (obj instanceof L.LatLngBounds) {
+ sw2 = obj.getSouthWest();
+ ne2 = obj.getNorthEast();
+ } else {
+ sw2 = ne2 = obj;
+ }
+
+ return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
+ (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
+ },
+
+ intersects: function (bounds) { // (LatLngBounds)
+ bounds = L.latLngBounds(bounds);
+
+ var sw = this._southWest,
+ ne = this._northEast,
+ sw2 = bounds.getSouthWest(),
+ ne2 = bounds.getNorthEast(),
+
+ latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),
+ lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);
+
+ return latIntersects && lngIntersects;
+ },
+
+ toBBoxString: function () {
+ return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
+ },
+
+ equals: function (bounds) { // (LatLngBounds)
+ if (!bounds) { return false; }
+
+ bounds = L.latLngBounds(bounds);
+
+ return this._southWest.equals(bounds.getSouthWest()) &&
+ this._northEast.equals(bounds.getNorthEast());
+ },
+
+ isValid: function () {
+ return !!(this._southWest && this._northEast);
+ }
+};
+
+//TODO International date line?
+
+L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng)
+ if (!a || a instanceof L.LatLngBounds) {
+ return a;
+ }
+ return new L.LatLngBounds(a, b);
+};
+
+
+/*
+ * L.Projection contains various geographical projections used by CRS classes.
+ */
+
+L.Projection = {};
+
+
+/*
+ * Spherical Mercator is the most popular map projection, used by EPSG:3857 CRS used by default.
+ */
+
+L.Projection.SphericalMercator = {
+ MAX_LATITUDE: 85.0511287798,
+
+ project: function (latlng) { // (LatLng) -> Point
+ var d = L.LatLng.DEG_TO_RAD,
+ max = this.MAX_LATITUDE,
+ lat = Math.max(Math.min(max, latlng.lat), -max),
+ x = latlng.lng * d,
+ y = lat * d;
+
+ y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));
+
+ return new L.Point(x, y);
+ },
+
+ unproject: function (point) { // (Point, Boolean) -> LatLng
+ var d = L.LatLng.RAD_TO_DEG,
+ lng = point.x * d,
+ lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d;
+
+ return new L.LatLng(lat, lng);
+ }
+};
+
+
+/*
+ * Simple equirectangular (Plate Carree) projection, used by CRS like EPSG:4326 and Simple.
+ */
+
+L.Projection.LonLat = {
+ project: function (latlng) {
+ return new L.Point(latlng.lng, latlng.lat);
+ },
+
+ unproject: function (point) {
+ return new L.LatLng(point.y, point.x);
+ }
+};
+
+
+/*
+ * L.CRS is a base object for all defined CRS (Coordinate Reference Systems) in Leaflet.
+ */
+
+L.CRS = {
+ latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point
+ var projectedPoint = this.projection.project(latlng),
+ scale = this.scale(zoom);
+
+ return this.transformation._transform(projectedPoint, scale);
+ },
+
+ pointToLatLng: function (point, zoom) { // (Point, Number[, Boolean]) -> LatLng
+ var scale = this.scale(zoom),
+ untransformedPoint = this.transformation.untransform(point, scale);
+
+ return this.projection.unproject(untransformedPoint);
+ },
+
+ project: function (latlng) {
+ return this.projection.project(latlng);
+ },
+
+ scale: function (zoom) {
+ return 256 * Math.pow(2, zoom);
+ },
+
+ getSize: function (zoom) {
+ var s = this.scale(zoom);
+ return L.point(s, s);
+ }
+};
+
+
+/*
+ * A simple CRS that can be used for flat non-Earth maps like panoramas or game maps.
+ */
+
+L.CRS.Simple = L.extend({}, L.CRS, {
+ projection: L.Projection.LonLat,
+ transformation: new L.Transformation(1, 0, -1, 0),
+
+ scale: function (zoom) {
+ return Math.pow(2, zoom);
+ }
+});
+
+
+/*
+ * L.CRS.EPSG3857 (Spherical Mercator) is the most common CRS for web mapping
+ * and is used by Leaflet by default.
+ */
+
+L.CRS.EPSG3857 = L.extend({}, L.CRS, {
+ code: 'EPSG:3857',
+
+ projection: L.Projection.SphericalMercator,
+ transformation: new L.Transformation(0.5 / Math.PI, 0.5, -0.5 / Math.PI, 0.5),
+
+ project: function (latlng) { // (LatLng) -> Point
+ var projectedPoint = this.projection.project(latlng),
+ earthRadius = 6378137;
+ return projectedPoint.multiplyBy(earthRadius);
+ }
+});
+
+L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {
+ code: 'EPSG:900913'
+});
+
+
+/*
+ * L.CRS.EPSG4326 is a CRS popular among advanced GIS specialists.
+ */
+
+L.CRS.EPSG4326 = L.extend({}, L.CRS, {
+ code: 'EPSG:4326',
+
+ projection: L.Projection.LonLat,
+ transformation: new L.Transformation(1 / 360, 0.5, -1 / 360, 0.5)
+});
+
+
+/*
+ * L.Map is the central class of the API - it is used to create a map.
+ */
+
+L.Map = L.Class.extend({
+
+ includes: L.Mixin.Events,
+
+ options: {
+ crs: L.CRS.EPSG3857,
+
+ /*
+ center: LatLng,
+ zoom: Number,
+ layers: Array,
+ */
+
+ fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android23,
+ trackResize: true,
+ markerZoomAnimation: L.DomUtil.TRANSITION && L.Browser.any3d
+ },
+
+ initialize: function (id, options) { // (HTMLElement or String, Object)
+ options = L.setOptions(this, options);
+
+
+ this._initContainer(id);
+ this._initLayout();
+
+ // hack for https://github.com/Leaflet/Leaflet/issues/1980
+ this._onResize = L.bind(this._onResize, this);
+
+ this._initEvents();
+
+ if (options.maxBounds) {
+ this.setMaxBounds(options.maxBounds);
+ }
+
+ if (options.center && options.zoom !== undefined) {
+ this.setView(L.latLng(options.center), options.zoom, {reset: true});
+ }
+
+ this._handlers = [];
+
+ this._layers = {};
+ this._zoomBoundLayers = {};
+ this._tileLayersNum = 0;
+
+ this.callInitHooks();
+
+ this._addLayers(options.layers);
+ },
+
+
+ // public methods that modify map state
+
+ // replaced by animation-powered implementation in Map.PanAnimation.js
+ setView: function (center, zoom) {
+ zoom = zoom === undefined ? this.getZoom() : zoom;
+ this._resetView(L.latLng(center), this._limitZoom(zoom));
+ return this;
+ },
+
+ setZoom: function (zoom, options) {
+ if (!this._loaded) {
+ this._zoom = this._limitZoom(zoom);
+ return this;
+ }
+ return this.setView(this.getCenter(), zoom, {zoom: options});
+ },
+
+ zoomIn: function (delta, options) {
+ return this.setZoom(this._zoom + (delta || 1), options);
+ },
+
+ zoomOut: function (delta, options) {
+ return this.setZoom(this._zoom - (delta || 1), options);
+ },
+
+ setZoomAround: function (latlng, zoom, options) {
+ var scale = this.getZoomScale(zoom),
+ viewHalf = this.getSize().divideBy(2),
+ containerPoint = latlng instanceof L.Point ? latlng : this.latLngToContainerPoint(latlng),
+
+ centerOffset = containerPoint.subtract(viewHalf).multiplyBy(1 - 1 / scale),
+ newCenter = this.containerPointToLatLng(viewHalf.add(centerOffset));
+
+ return this.setView(newCenter, zoom, {zoom: options});
+ },
+
+ fitBounds: function (bounds, options) {
+
+ options = options || {};
+ bounds = bounds.getBounds ? bounds.getBounds() : L.latLngBounds(bounds);
+
+ var paddingTL = L.point(options.paddingTopLeft || options.padding || [0, 0]),
+ paddingBR = L.point(options.paddingBottomRight || options.padding || [0, 0]),
+
+ zoom = this.getBoundsZoom(bounds, false, paddingTL.add(paddingBR));
+
+ zoom = (options.maxZoom) ? Math.min(options.maxZoom, zoom) : zoom;
+
+ var paddingOffset = paddingBR.subtract(paddingTL).divideBy(2),
+
+ swPoint = this.project(bounds.getSouthWest(), zoom),
+ nePoint = this.project(bounds.getNorthEast(), zoom),
+ center = this.unproject(swPoint.add(nePoint).divideBy(2).add(paddingOffset), zoom);
+
+ return this.setView(center, zoom, options);
+ },
+
+ fitWorld: function (options) {
+ return this.fitBounds([[-90, -180], [90, 180]], options);
+ },
+
+ panTo: function (center, options) { // (LatLng)
+ return this.setView(center, this._zoom, {pan: options});
+ },
+
+ panBy: function (offset) { // (Point)
+ // replaced with animated panBy in Map.PanAnimation.js
+ this.fire('movestart');
+
+ this._rawPanBy(L.point(offset));
+
+ this.fire('move');
+ return this.fire('moveend');
+ },
+
+ setMaxBounds: function (bounds) {
+ bounds = L.latLngBounds(bounds);
+
+ this.options.maxBounds = bounds;
+
+ if (!bounds) {
+ return this.off('moveend', this._panInsideMaxBounds, this);
+ }
+
+ if (this._loaded) {
+ this._panInsideMaxBounds();
+ }
+
+ return this.on('moveend', this._panInsideMaxBounds, this);
+ },
+
+ panInsideBounds: function (bounds, options) {
+ var center = this.getCenter(),
+ newCenter = this._limitCenter(center, this._zoom, bounds);
+
+ if (center.equals(newCenter)) { return this; }
+
+ return this.panTo(newCenter, options);
+ },
+
+ addLayer: function (layer) {
+ // TODO method is too big, refactor
+
+ var id = L.stamp(layer);
+
+ if (this._layers[id]) { return this; }
+
+ this._layers[id] = layer;
+
+ // TODO getMaxZoom, getMinZoom in ILayer (instead of options)
+ if (layer.options && (!isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom))) {
+ this._zoomBoundLayers[id] = layer;
+ this._updateZoomLevels();
+ }
+
+ // TODO looks ugly, refactor!!!
+ if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
+ this._tileLayersNum++;
+ this._tileLayersToLoad++;
+ layer.on('load', this._onTileLayerLoad, this);
+ }
+
+ if (this._loaded) {
+ this._layerAdd(layer);
+ }
+
+ return this;
+ },
+
+ removeLayer: function (layer) {
+ var id = L.stamp(layer);
+
+ if (!this._layers[id]) { return this; }
+
+ if (this._loaded) {
+ layer.onRemove(this);
+ }
+
+ delete this._layers[id];
+
+ if (this._loaded) {
+ this.fire('layerremove', {layer: layer});
+ }
+
+ if (this._zoomBoundLayers[id]) {
+ delete this._zoomBoundLayers[id];
+ this._updateZoomLevels();
+ }
+
+ // TODO looks ugly, refactor
+ if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
+ this._tileLayersNum--;
+ this._tileLayersToLoad--;
+ layer.off('load', this._onTileLayerLoad, this);
+ }
+
+ return this;
+ },
+
+ hasLayer: function (layer) {
+ if (!layer) { return false; }
+
+ return (L.stamp(layer) in this._layers);
+ },
+
+ eachLayer: function (method, context) {
+ for (var i in this._layers) {
+ method.call(context, this._layers[i]);
+ }
+ return this;
+ },
+
+ invalidateSize: function (options) {
+ if (!this._loaded) { return this; }
+
+ options = L.extend({
+ animate: false,
+ pan: true
+ }, options === true ? {animate: true} : options);
+
+ var oldSize = this.getSize();
+ this._sizeChanged = true;
+ this._initialCenter = null;
+
+ var newSize = this.getSize(),
+ oldCenter = oldSize.divideBy(2).round(),
+ newCenter = newSize.divideBy(2).round(),
+ offset = oldCenter.subtract(newCenter);
+
+ if (!offset.x && !offset.y) { return this; }
+
+ if (options.animate && options.pan) {
+ this.panBy(offset);
+
+ } else {
+ if (options.pan) {
+ this._rawPanBy(offset);
+ }
+
+ this.fire('move');
+
+ if (options.debounceMoveend) {
+ clearTimeout(this._sizeTimer);
+ this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
+ } else {
+ this.fire('moveend');
+ }
+ }
+
+ return this.fire('resize', {
+ oldSize: oldSize,
+ newSize: newSize
+ });
+ },
+
+ // TODO handler.addTo
+ addHandler: function (name, HandlerClass) {
+ if (!HandlerClass) { return this; }
+
+ var handler = this[name] = new HandlerClass(this);
+
+ this._handlers.push(handler);
+
+ if (this.options[name]) {
+ handler.enable();
+ }
+
+ return this;
+ },
+
+ remove: function () {
+ if (this._loaded) {
+ this.fire('unload');
+ }
+
+ this._initEvents('off');
+
+ try {
+ // throws error in IE6-8
+ delete this._container._leaflet;
+ } catch (e) {
+ this._container._leaflet = undefined;
+ }
+
+ this._clearPanes();
+ if (this._clearControlPos) {
+ this._clearControlPos();
+ }
+
+ this._clearHandlers();
+
+ return this;
+ },
+
+
+ // public methods for getting map state
+
+ getCenter: function () { // (Boolean) -> LatLng
+ this._checkIfLoaded();
+
+ if (this._initialCenter && !this._moved()) {
+ return this._initialCenter;
+ }
+ return this.layerPointToLatLng(this._getCenterLayerPoint());
+ },
+
+ getZoom: function () {
+ return this._zoom;
+ },
+
+ getBounds: function () {
+ var bounds = this.getPixelBounds(),
+ sw = this.unproject(bounds.getBottomLeft()),
+ ne = this.unproject(bounds.getTopRight());
+
+ return new L.LatLngBounds(sw, ne);
+ },
+
+ getMinZoom: function () {
+ return this.options.minZoom === undefined ?
+ (this._layersMinZoom === undefined ? 0 : this._layersMinZoom) :
+ this.options.minZoom;
+ },
+
+ getMaxZoom: function () {
+ return this.options.maxZoom === undefined ?
+ (this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom) :
+ this.options.maxZoom;
+ },
+
+ getBoundsZoom: function (bounds, inside, padding) { // (LatLngBounds[, Boolean, Point]) -> Number
+ bounds = L.latLngBounds(bounds);
+
+ var zoom = this.getMinZoom() - (inside ? 1 : 0),
+ maxZoom = this.getMaxZoom(),
+ size = this.getSize(),
+
+ nw = bounds.getNorthWest(),
+ se = bounds.getSouthEast(),
+
+ zoomNotFound = true,
+ boundsSize;
+
+ padding = L.point(padding || [0, 0]);
+
+ do {
+ zoom++;
+ boundsSize = this.project(se, zoom).subtract(this.project(nw, zoom)).add(padding);
+ zoomNotFound = !inside ? size.contains(boundsSize) : boundsSize.x < size.x || boundsSize.y < size.y;
+
+ } while (zoomNotFound && zoom <= maxZoom);
+
+ if (zoomNotFound && inside) {
+ return null;
+ }
+
+ return inside ? zoom : zoom - 1;
+ },
+
+ getSize: function () {
+ if (!this._size || this._sizeChanged) {
+ this._size = new L.Point(
+ this._container.clientWidth,
+ this._container.clientHeight);
+
+ this._sizeChanged = false;
+ }
+ return this._size.clone();
+ },
+
+ getPixelBounds: function () {
+ var topLeftPoint = this._getTopLeftPoint();
+ return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize()));
+ },
+
+ getPixelOrigin: function () {
+ this._checkIfLoaded();
+ return this._initialTopLeftPoint;
+ },
+
+ getPanes: function () {
+ return this._panes;
+ },
+
+ getContainer: function () {
+ return this._container;
+ },
+
+
+ // TODO replace with universal implementation after refactoring projections
+
+ getZoomScale: function (toZoom) {
+ var crs = this.options.crs;
+ return crs.scale(toZoom) / crs.scale(this._zoom);
+ },
+
+ getScaleZoom: function (scale) {
+ return this._zoom + (Math.log(scale) / Math.LN2);
+ },
+
+
+ // conversion methods
+
+ project: function (latlng, zoom) { // (LatLng[, Number]) -> Point
+ zoom = zoom === undefined ? this._zoom : zoom;
+ return this.options.crs.latLngToPoint(L.latLng(latlng), zoom);
+ },
+
+ unproject: function (point, zoom) { // (Point[, Number]) -> LatLng
+ zoom = zoom === undefined ? this._zoom : zoom;
+ return this.options.crs.pointToLatLng(L.point(point), zoom);
+ },
+
+ layerPointToLatLng: function (point) { // (Point)
+ var projectedPoint = L.point(point).add(this.getPixelOrigin());
+ return this.unproject(projectedPoint);
+ },
+
+ latLngToLayerPoint: function (latlng) { // (LatLng)
+ var projectedPoint = this.project(L.latLng(latlng))._round();
+ return projectedPoint._subtract(this.getPixelOrigin());
+ },
+
+ containerPointToLayerPoint: function (point) { // (Point)
+ return L.point(point).subtract(this._getMapPanePos());
+ },
+
+ layerPointToContainerPoint: function (point) { // (Point)
+ return L.point(point).add(this._getMapPanePos());
+ },
+
+ containerPointToLatLng: function (point) {
+ var layerPoint = this.containerPointToLayerPoint(L.point(point));
+ return this.layerPointToLatLng(layerPoint);
+ },
+
+ latLngToContainerPoint: function (latlng) {
+ return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng)));
+ },
+
+ mouseEventToContainerPoint: function (e) { // (MouseEvent)
+ return L.DomEvent.getMousePosition(e, this._container);
+ },
+
+ mouseEventToLayerPoint: function (e) { // (MouseEvent)
+ return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e));
+ },
+
+ mouseEventToLatLng: function (e) { // (MouseEvent)
+ return this.layerPointToLatLng(this.mouseEventToLayerPoint(e));
+ },
+
+
+ // map initialization methods
+
+ _initContainer: function (id) {
+ var container = this._container = L.DomUtil.get(id);
+
+ if (!container) {
+ throw new Error('Map container not found.');
+ } else if (container._leaflet) {
+ throw new Error('Map container is already initialized.');
+ }
+
+ container._leaflet = true;
+ },
+
+ _initLayout: function () {
+ var container = this._container;
+
+ L.DomUtil.addClass(container, 'leaflet-container' +
+ (L.Browser.touch ? ' leaflet-touch' : '') +
+ (L.Browser.retina ? ' leaflet-retina' : '') +
+ (L.Browser.ielt9 ? ' leaflet-oldie' : '') +
+ (this.options.fadeAnimation ? ' leaflet-fade-anim' : ''));
+
+ var position = L.DomUtil.getStyle(container, 'position');
+
+ if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') {
+ container.style.position = 'relative';
+ }
+
+ this._initPanes();
+
+ if (this._initControlPos) {
+ this._initControlPos();
+ }
+ },
+
+ _initPanes: function () {
+ var panes = this._panes = {};
+
+ this._mapPane = panes.mapPane = this._createPane('leaflet-map-pane', this._container);
+
+ this._tilePane = panes.tilePane = this._createPane('leaflet-tile-pane', this._mapPane);
+ panes.objectsPane = this._createPane('leaflet-objects-pane', this._mapPane);
+ panes.shadowPane = this._createPane('leaflet-shadow-pane');
+ panes.overlayPane = this._createPane('leaflet-overlay-pane');
+ panes.markerPane = this._createPane('leaflet-marker-pane');
+ panes.popupPane = this._createPane('leaflet-popup-pane');
+
+ var zoomHide = ' leaflet-zoom-hide';
+
+ if (!this.options.markerZoomAnimation) {
+ L.DomUtil.addClass(panes.markerPane, zoomHide);
+ L.DomUtil.addClass(panes.shadowPane, zoomHide);
+ L.DomUtil.addClass(panes.popupPane, zoomHide);
+ }
+ },
+
+ _createPane: function (className, container) {
+ return L.DomUtil.create('div', className, container || this._panes.objectsPane);
+ },
+
+ _clearPanes: function () {
+ this._container.removeChild(this._mapPane);
+ },
+
+ _addLayers: function (layers) {
+ layers = layers ? (L.Util.isArray(layers) ? layers : [layers]) : [];
+
+ for (var i = 0, len = layers.length; i < len; i++) {
+ this.addLayer(layers[i]);
+ }
+ },
+
+
+ // private methods that modify map state
+
+ _resetView: function (center, zoom, preserveMapOffset, afterZoomAnim) {
+
+ var zoomChanged = (this._zoom !== zoom);
+
+ if (!afterZoomAnim) {
+ this.fire('movestart');
+
+ if (zoomChanged) {
+ this.fire('zoomstart');
+ }
+ }
+
+ this._zoom = zoom;
+ this._initialCenter = center;
+
+ this._initialTopLeftPoint = this._getNewTopLeftPoint(center);
+
+ if (!preserveMapOffset) {
+ L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));
+ } else {
+ this._initialTopLeftPoint._add(this._getMapPanePos());
+ }
+
+ this._tileLayersToLoad = this._tileLayersNum;
+
+ var loading = !this._loaded;
+ this._loaded = true;
+
+ this.fire('viewreset', {hard: !preserveMapOffset});
+
+ if (loading) {
+ this.fire('load');
+ this.eachLayer(this._layerAdd, this);
+ }
+
+ this.fire('move');
+
+ if (zoomChanged || afterZoomAnim) {
+ this.fire('zoomend');
+ }
+
+ this.fire('moveend', {hard: !preserveMapOffset});
+ },
+
+ _rawPanBy: function (offset) {
+ L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
+ },
+
+ _getZoomSpan: function () {
+ return this.getMaxZoom() - this.getMinZoom();
+ },
+
+ _updateZoomLevels: function () {
+ var i,
+ minZoom = Infinity,
+ maxZoom = -Infinity,
+ oldZoomSpan = this._getZoomSpan();
+
+ for (i in this._zoomBoundLayers) {
+ var layer = this._zoomBoundLayers[i];
+ if (!isNaN(layer.options.minZoom)) {
+ minZoom = Math.min(minZoom, layer.options.minZoom);
+ }
+ if (!isNaN(layer.options.maxZoom)) {
+ maxZoom = Math.max(maxZoom, layer.options.maxZoom);
+ }
+ }
+
+ if (i === undefined) { // we have no tilelayers
+ this._layersMaxZoom = this._layersMinZoom = undefined;
+ } else {
+ this._layersMaxZoom = maxZoom;
+ this._layersMinZoom = minZoom;
+ }
+
+ if (oldZoomSpan !== this._getZoomSpan()) {
+ this.fire('zoomlevelschange');
+ }
+ },
+
+ _panInsideMaxBounds: function () {
+ this.panInsideBounds(this.options.maxBounds);
+ },
+
+ _checkIfLoaded: function () {
+ if (!this._loaded) {
+ throw new Error('Set map center and zoom first.');
+ }
+ },
+
+ // map events
+
+ _initEvents: function (onOff) {
+ if (!L.DomEvent) { return; }
+
+ onOff = onOff || 'on';
+
+ L.DomEvent[onOff](this._container, 'click', this._onMouseClick, this);
+
+ var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter',
+ 'mouseleave', 'mousemove', 'contextmenu'],
+ i, len;
+
+ for (i = 0, len = events.length; i < len; i++) {
+ L.DomEvent[onOff](this._container, events[i], this._fireMouseEvent, this);
+ }
+
+ if (this.options.trackResize) {
+ L.DomEvent[onOff](window, 'resize', this._onResize, this);
+ }
+ },
+
+ _onResize: function () {
+ L.Util.cancelAnimFrame(this._resizeRequest);
+ this._resizeRequest = L.Util.requestAnimFrame(
+ function () { this.invalidateSize({debounceMoveend: true}); }, this, false, this._container);
+ },
+
+ _onMouseClick: function (e) {
+ if (!this._loaded || (!e._simulated &&
+ ((this.dragging && this.dragging.moved()) ||
+ (this.boxZoom && this.boxZoom.moved()))) ||
+ L.DomEvent._skipped(e)) { return; }
+
+ this.fire('preclick');
+ this._fireMouseEvent(e);
+ },
+
+ _fireMouseEvent: function (e) {
+ if (!this._loaded || L.DomEvent._skipped(e)) { return; }
+
+ var type = e.type;
+
+ type = (type === 'mouseenter' ? 'mouseover' : (type === 'mouseleave' ? 'mouseout' : type));
+
+ if (!this.hasEventListeners(type)) { return; }
+
+ if (type === 'contextmenu') {
+ L.DomEvent.preventDefault(e);
+ }
+
+ var containerPoint = this.mouseEventToContainerPoint(e),
+ layerPoint = this.containerPointToLayerPoint(containerPoint),
+ latlng = this.layerPointToLatLng(layerPoint);
+
+ this.fire(type, {
+ latlng: latlng,
+ layerPoint: layerPoint,
+ containerPoint: containerPoint,
+ originalEvent: e
+ });
+ },
+
+ _onTileLayerLoad: function () {
+ this._tileLayersToLoad--;
+ if (this._tileLayersNum && !this._tileLayersToLoad) {
+ this.fire('tilelayersload');
+ }
+ },
+
+ _clearHandlers: function () {
+ for (var i = 0, len = this._handlers.length; i < len; i++) {
+ this._handlers[i].disable();
+ }
+ },
+
+ whenReady: function (callback, context) {
+ if (this._loaded) {
+ callback.call(context || this, this);
+ } else {
+ this.on('load', callback, context);
+ }
+ return this;
+ },
+
+ _layerAdd: function (layer) {
+ layer.onAdd(this);
+ this.fire('layeradd', {layer: layer});
+ },
+
+
+ // private methods for getting map state
+
+ _getMapPanePos: function () {
+ return L.DomUtil.getPosition(this._mapPane);
+ },
+
+ _moved: function () {
+ var pos = this._getMapPanePos();
+ return pos && !pos.equals([0, 0]);
+ },
+
+ _getTopLeftPoint: function () {
+ return this.getPixelOrigin().subtract(this._getMapPanePos());
+ },
+
+ _getNewTopLeftPoint: function (center, zoom) {
+ var viewHalf = this.getSize()._divideBy(2);
+ // TODO round on display, not calculation to increase precision?
+ return this.project(center, zoom)._subtract(viewHalf)._round();
+ },
+
+ _latLngToNewLayerPoint: function (latlng, newZoom, newCenter) {
+ var topLeft = this._getNewTopLeftPoint(newCenter, newZoom).add(this._getMapPanePos());
+ return this.project(latlng, newZoom)._subtract(topLeft);
+ },
+
+ // layer point of the current center
+ _getCenterLayerPoint: function () {
+ return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
+ },
+
+ // offset of the specified place to the current center in pixels
+ _getCenterOffset: function (latlng) {
+ return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint());
+ },
+
+ // adjust center for view to get inside bounds
+ _limitCenter: function (center, zoom, bounds) {
+
+ if (!bounds) { return center; }
+
+ var centerPoint = this.project(center, zoom),
+ viewHalf = this.getSize().divideBy(2),
+ viewBounds = new L.Bounds(centerPoint.subtract(viewHalf), centerPoint.add(viewHalf)),
+ offset = this._getBoundsOffset(viewBounds, bounds, zoom);
+
+ return this.unproject(centerPoint.add(offset), zoom);
+ },
+
+ // adjust offset for view to get inside bounds
+ _limitOffset: function (offset, bounds) {
+ if (!bounds) { return offset; }
+
+ var viewBounds = this.getPixelBounds(),
+ newBounds = new L.Bounds(viewBounds.min.add(offset), viewBounds.max.add(offset));
+
+ return offset.add(this._getBoundsOffset(newBounds, bounds));
+ },
+
+ // returns offset needed for pxBounds to get inside maxBounds at a specified zoom
+ _getBoundsOffset: function (pxBounds, maxBounds, zoom) {
+ var nwOffset = this.project(maxBounds.getNorthWest(), zoom).subtract(pxBounds.min),
+ seOffset = this.project(maxBounds.getSouthEast(), zoom).subtract(pxBounds.max),
+
+ dx = this._rebound(nwOffset.x, -seOffset.x),
+ dy = this._rebound(nwOffset.y, -seOffset.y);
+
+ return new L.Point(dx, dy);
+ },
+
+ _rebound: function (left, right) {
+ return left + right > 0 ?
+ Math.round(left - right) / 2 :
+ Math.max(0, Math.ceil(left)) - Math.max(0, Math.floor(right));
+ },
+
+ _limitZoom: function (zoom) {
+ var min = this.getMinZoom(),
+ max = this.getMaxZoom();
+
+ return Math.max(min, Math.min(max, zoom));
+ }
+});
+
+L.map = function (id, options) {
+ return new L.Map(id, options);
+};
+
+
+/*
+ * Mercator projection that takes into account that the Earth is not a perfect sphere.
+ * Less popular than spherical mercator; used by projections like EPSG:3395.
+ */
+
+L.Projection.Mercator = {
+ MAX_LATITUDE: 85.0840591556,
+
+ R_MINOR: 6356752.314245179,
+ R_MAJOR: 6378137,
+
+ project: function (latlng) { // (LatLng) -> Point
+ var d = L.LatLng.DEG_TO_RAD,
+ max = this.MAX_LATITUDE,
+ lat = Math.max(Math.min(max, latlng.lat), -max),
+ r = this.R_MAJOR,
+ r2 = this.R_MINOR,
+ x = latlng.lng * d * r,
+ y = lat * d,
+ tmp = r2 / r,
+ eccent = Math.sqrt(1.0 - tmp * tmp),
+ con = eccent * Math.sin(y);
+
+ con = Math.pow((1 - con) / (1 + con), eccent * 0.5);
+
+ var ts = Math.tan(0.5 * ((Math.PI * 0.5) - y)) / con;
+ y = -r * Math.log(ts);
+
+ return new L.Point(x, y);
+ },
+
+ unproject: function (point) { // (Point, Boolean) -> LatLng
+ var d = L.LatLng.RAD_TO_DEG,
+ r = this.R_MAJOR,
+ r2 = this.R_MINOR,
+ lng = point.x * d / r,
+ tmp = r2 / r,
+ eccent = Math.sqrt(1 - (tmp * tmp)),
+ ts = Math.exp(- point.y / r),
+ phi = (Math.PI / 2) - 2 * Math.atan(ts),
+ numIter = 15,
+ tol = 1e-7,
+ i = numIter,
+ dphi = 0.1,
+ con;
+
+ while ((Math.abs(dphi) > tol) && (--i > 0)) {
+ con = eccent * Math.sin(phi);
+ dphi = (Math.PI / 2) - 2 * Math.atan(ts *
+ Math.pow((1.0 - con) / (1.0 + con), 0.5 * eccent)) - phi;
+ phi += dphi;
+ }
+
+ return new L.LatLng(phi * d, lng);
+ }
+};
+
+
+
+L.CRS.EPSG3395 = L.extend({}, L.CRS, {
+ code: 'EPSG:3395',
+
+ projection: L.Projection.Mercator,
+
+ transformation: (function () {
+ var m = L.Projection.Mercator,
+ r = m.R_MAJOR,
+ scale = 0.5 / (Math.PI * r);
+
+ return new L.Transformation(scale, 0.5, -scale, 0.5);
+ }())
+});
+
+
+/*
+ * L.TileLayer is used for standard xyz-numbered tile layers.
+ */
+
+L.TileLayer = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ options: {
+ minZoom: 0,
+ maxZoom: 18,
+ tileSize: 256,
+ subdomains: 'abc',
+ errorTileUrl: '',
+ attribution: '',
+ zoomOffset: 0,
+ opacity: 1,
+ /*
+ maxNativeZoom: null,
+ zIndex: null,
+ tms: false,
+ continuousWorld: false,
+ noWrap: false,
+ zoomReverse: false,
+ detectRetina: false,
+ reuseTiles: false,
+ bounds: false,
+ */
+ unloadInvisibleTiles: L.Browser.mobile,
+ updateWhenIdle: L.Browser.mobile
+ },
+
+ initialize: function (url, options) {
+ options = L.setOptions(this, options);
+
+ // detecting retina displays, adjusting tileSize and zoom levels
+ if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) {
+
+ options.tileSize = Math.floor(options.tileSize / 2);
+ options.zoomOffset++;
+
+ if (options.minZoom > 0) {
+ options.minZoom--;
+ }
+ this.options.maxZoom--;
+ }
+
+ if (options.bounds) {
+ options.bounds = L.latLngBounds(options.bounds);
+ }
+
+ this._url = url;
+
+ var subdomains = this.options.subdomains;
+
+ if (typeof subdomains === 'string') {
+ this.options.subdomains = subdomains.split('');
+ }
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+ this._animated = map._zoomAnimated;
+
+ // create a container div for tiles
+ this._initContainer();
+
+ // set up events
+ map.on({
+ 'viewreset': this._reset,
+ 'moveend': this._update
+ }, this);
+
+ if (this._animated) {
+ map.on({
+ 'zoomanim': this._animateZoom,
+ 'zoomend': this._endZoomAnim
+ }, this);
+ }
+
+ if (!this.options.updateWhenIdle) {
+ this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this);
+ map.on('move', this._limitedUpdate, this);
+ }
+
+ this._reset();
+ this._update();
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ onRemove: function (map) {
+ this._container.parentNode.removeChild(this._container);
+
+ map.off({
+ 'viewreset': this._reset,
+ 'moveend': this._update
+ }, this);
+
+ if (this._animated) {
+ map.off({
+ 'zoomanim': this._animateZoom,
+ 'zoomend': this._endZoomAnim
+ }, this);
+ }
+
+ if (!this.options.updateWhenIdle) {
+ map.off('move', this._limitedUpdate, this);
+ }
+
+ this._container = null;
+ this._map = null;
+ },
+
+ bringToFront: function () {
+ var pane = this._map._panes.tilePane;
+
+ if (this._container) {
+ pane.appendChild(this._container);
+ this._setAutoZIndex(pane, Math.max);
+ }
+
+ return this;
+ },
+
+ bringToBack: function () {
+ var pane = this._map._panes.tilePane;
+
+ if (this._container) {
+ pane.insertBefore(this._container, pane.firstChild);
+ this._setAutoZIndex(pane, Math.min);
+ }
+
+ return this;
+ },
+
+ getAttribution: function () {
+ return this.options.attribution;
+ },
+
+ getContainer: function () {
+ return this._container;
+ },
+
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+
+ if (this._map) {
+ this._updateOpacity();
+ }
+
+ return this;
+ },
+
+ setZIndex: function (zIndex) {
+ this.options.zIndex = zIndex;
+ this._updateZIndex();
+
+ return this;
+ },
+
+ setUrl: function (url, noRedraw) {
+ this._url = url;
+
+ if (!noRedraw) {
+ this.redraw();
+ }
+
+ return this;
+ },
+
+ redraw: function () {
+ if (this._map) {
+ this._reset({hard: true});
+ this._update();
+ }
+ return this;
+ },
+
+ _updateZIndex: function () {
+ if (this._container && this.options.zIndex !== undefined) {
+ this._container.style.zIndex = this.options.zIndex;
+ }
+ },
+
+ _setAutoZIndex: function (pane, compare) {
+
+ var layers = pane.children,
+ edgeZIndex = -compare(Infinity, -Infinity), // -Infinity for max, Infinity for min
+ zIndex, i, len;
+
+ for (i = 0, len = layers.length; i < len; i++) {
+
+ if (layers[i] !== this._container) {
+ zIndex = parseInt(layers[i].style.zIndex, 10);
+
+ if (!isNaN(zIndex)) {
+ edgeZIndex = compare(edgeZIndex, zIndex);
+ }
+ }
+ }
+
+ this.options.zIndex = this._container.style.zIndex =
+ (isFinite(edgeZIndex) ? edgeZIndex : 0) + compare(1, -1);
+ },
+
+ _updateOpacity: function () {
+ var i,
+ tiles = this._tiles;
+
+ if (L.Browser.ielt9) {
+ for (i in tiles) {
+ L.DomUtil.setOpacity(tiles[i], this.options.opacity);
+ }
+ } else {
+ L.DomUtil.setOpacity(this._container, this.options.opacity);
+ }
+ },
+
+ _initContainer: function () {
+ var tilePane = this._map._panes.tilePane;
+
+ if (!this._container) {
+ this._container = L.DomUtil.create('div', 'leaflet-layer');
+
+ this._updateZIndex();
+
+ if (this._animated) {
+ var className = 'leaflet-tile-container';
+
+ this._bgBuffer = L.DomUtil.create('div', className, this._container);
+ this._tileContainer = L.DomUtil.create('div', className, this._container);
+
+ } else {
+ this._tileContainer = this._container;
+ }
+
+ tilePane.appendChild(this._container);
+
+ if (this.options.opacity < 1) {
+ this._updateOpacity();
+ }
+ }
+ },
+
+ _reset: function (e) {
+ for (var key in this._tiles) {
+ this.fire('tileunload', {tile: this._tiles[key]});
+ }
+
+ this._tiles = {};
+ this._tilesToLoad = 0;
+
+ if (this.options.reuseTiles) {
+ this._unusedTiles = [];
+ }
+
+ this._tileContainer.innerHTML = '';
+
+ if (this._animated && e && e.hard) {
+ this._clearBgBuffer();
+ }
+
+ this._initContainer();
+ },
+
+ _getTileSize: function () {
+ var map = this._map,
+ zoom = map.getZoom() + this.options.zoomOffset,
+ zoomN = this.options.maxNativeZoom,
+ tileSize = this.options.tileSize;
+
+ if (zoomN && zoom > zoomN) {
+ tileSize = Math.round(map.getZoomScale(zoom) / map.getZoomScale(zoomN) * tileSize);
+ }
+
+ return tileSize;
+ },
+
+ _update: function () {
+
+ if (!this._map) { return; }
+
+ var map = this._map,
+ bounds = map.getPixelBounds(),
+ zoom = map.getZoom(),
+ tileSize = this._getTileSize();
+
+ if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
+ return;
+ }
+
+ var tileBounds = L.bounds(
+ bounds.min.divideBy(tileSize)._floor(),
+ bounds.max.divideBy(tileSize)._floor());
+
+ this._addTilesFromCenterOut(tileBounds);
+
+ if (this.options.unloadInvisibleTiles || this.options.reuseTiles) {
+ this._removeOtherTiles(tileBounds);
+ }
+ },
+
+ _addTilesFromCenterOut: function (bounds) {
+ var queue = [],
+ center = bounds.getCenter();
+
+ var j, i, point;
+
+ for (j = bounds.min.y; j <= bounds.max.y; j++) {
+ for (i = bounds.min.x; i <= bounds.max.x; i++) {
+ point = new L.Point(i, j);
+
+ if (this._tileShouldBeLoaded(point)) {
+ queue.push(point);
+ }
+ }
+ }
+
+ var tilesToLoad = queue.length;
+
+ if (tilesToLoad === 0) { return; }
+
+ // load tiles in order of their distance to center
+ queue.sort(function (a, b) {
+ return a.distanceTo(center) - b.distanceTo(center);
+ });
+
+ var fragment = document.createDocumentFragment();
+
+ // if its the first batch of tiles to load
+ if (!this._tilesToLoad) {
+ this.fire('loading');
+ }
+
+ this._tilesToLoad += tilesToLoad;
+
+ for (i = 0; i < tilesToLoad; i++) {
+ this._addTile(queue[i], fragment);
+ }
+
+ this._tileContainer.appendChild(fragment);
+ },
+
+ _tileShouldBeLoaded: function (tilePoint) {
+ if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) {
+ return false; // already loaded
+ }
+
+ var options = this.options;
+
+ if (!options.continuousWorld) {
+ var limit = this._getWrapTileNum();
+
+ // don't load if exceeds world bounds
+ if ((options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit.x)) ||
+ tilePoint.y < 0 || tilePoint.y >= limit.y) { return false; }
+ }
+
+ if (options.bounds) {
+ var tileSize = this._getTileSize(),
+ nwPoint = tilePoint.multiplyBy(tileSize),
+ sePoint = nwPoint.add([tileSize, tileSize]),
+ nw = this._map.unproject(nwPoint),
+ se = this._map.unproject(sePoint);
+
+ // TODO temporary hack, will be removed after refactoring projections
+ // https://github.com/Leaflet/Leaflet/issues/1618
+ if (!options.continuousWorld && !options.noWrap) {
+ nw = nw.wrap();
+ se = se.wrap();
+ }
+
+ if (!options.bounds.intersects([nw, se])) { return false; }
+ }
+
+ return true;
+ },
+
+ _removeOtherTiles: function (bounds) {
+ var kArr, x, y, key;
+
+ for (key in this._tiles) {
+ kArr = key.split(':');
+ x = parseInt(kArr[0], 10);
+ y = parseInt(kArr[1], 10);
+
+ // remove tile if it's out of bounds
+ if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) {
+ this._removeTile(key);
+ }
+ }
+ },
+
+ _removeTile: function (key) {
+ var tile = this._tiles[key];
+
+ this.fire('tileunload', {tile: tile, url: tile.src});
+
+ if (this.options.reuseTiles) {
+ L.DomUtil.removeClass(tile, 'leaflet-tile-loaded');
+ this._unusedTiles.push(tile);
+
+ } else if (tile.parentNode === this._tileContainer) {
+ this._tileContainer.removeChild(tile);
+ }
+
+ // for https://github.com/CloudMade/Leaflet/issues/137
+ if (!L.Browser.android) {
+ tile.onload = null;
+ tile.src = L.Util.emptyImageUrl;
+ }
+
+ delete this._tiles[key];
+ },
+
+ _addTile: function (tilePoint, container) {
+ var tilePos = this._getTilePos(tilePoint);
+
+ // get unused tile - or create a new tile
+ var tile = this._getTile();
+
+ /*
+ Chrome 20 layouts much faster with top/left (verify with timeline, frames)
+ Android 4 browser has display issues with top/left and requires transform instead
+ (other browsers don't currently care) - see debug/hacks/jitter.html for an example
+ */
+ L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome);
+
+ this._tiles[tilePoint.x + ':' + tilePoint.y] = tile;
+
+ this._loadTile(tile, tilePoint);
+
+ if (tile.parentNode !== this._tileContainer) {
+ container.appendChild(tile);
+ }
+ },
+
+ _getZoomForUrl: function () {
+
+ var options = this.options,
+ zoom = this._map.getZoom();
+
+ if (options.zoomReverse) {
+ zoom = options.maxZoom - zoom;
+ }
+
+ zoom += options.zoomOffset;
+
+ return options.maxNativeZoom ? Math.min(zoom, options.maxNativeZoom) : zoom;
+ },
+
+ _getTilePos: function (tilePoint) {
+ var origin = this._map.getPixelOrigin(),
+ tileSize = this._getTileSize();
+
+ return tilePoint.multiplyBy(tileSize).subtract(origin);
+ },
+
+ // image-specific code (override to implement e.g. Canvas or SVG tile layer)
+
+ getTileUrl: function (tilePoint) {
+ return L.Util.template(this._url, L.extend({
+ s: this._getSubdomain(tilePoint),
+ z: tilePoint.z,
+ x: tilePoint.x,
+ y: tilePoint.y
+ }, this.options));
+ },
+
+ _getWrapTileNum: function () {
+ var crs = this._map.options.crs,
+ size = crs.getSize(this._map.getZoom());
+ return size.divideBy(this._getTileSize())._floor();
+ },
+
+ _adjustTilePoint: function (tilePoint) {
+
+ var limit = this._getWrapTileNum();
+
+ // wrap tile coordinates
+ if (!this.options.continuousWorld && !this.options.noWrap) {
+ tilePoint.x = ((tilePoint.x % limit.x) + limit.x) % limit.x;
+ }
+
+ if (this.options.tms) {
+ tilePoint.y = limit.y - tilePoint.y - 1;
+ }
+
+ tilePoint.z = this._getZoomForUrl();
+ },
+
+ _getSubdomain: function (tilePoint) {
+ var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length;
+ return this.options.subdomains[index];
+ },
+
+ _getTile: function () {
+ if (this.options.reuseTiles && this._unusedTiles.length > 0) {
+ var tile = this._unusedTiles.pop();
+ this._resetTile(tile);
+ return tile;
+ }
+ return this._createTile();
+ },
+
+ // Override if data stored on a tile needs to be cleaned up before reuse
+ _resetTile: function (/*tile*/) {},
+
+ _createTile: function () {
+ var tile = L.DomUtil.create('img', 'leaflet-tile');
+ tile.style.width = tile.style.height = this._getTileSize() + 'px';
+ tile.galleryimg = 'no';
+
+ tile.onselectstart = tile.onmousemove = L.Util.falseFn;
+
+ if (L.Browser.ielt9 && this.options.opacity !== undefined) {
+ L.DomUtil.setOpacity(tile, this.options.opacity);
+ }
+ // without this hack, tiles disappear after zoom on Chrome for Android
+ // https://github.com/Leaflet/Leaflet/issues/2078
+ if (L.Browser.mobileWebkit3d) {
+ tile.style.WebkitBackfaceVisibility = 'hidden';
+ }
+ return tile;
+ },
+
+ _loadTile: function (tile, tilePoint) {
+ tile._layer = this;
+ tile.onload = this._tileOnLoad;
+ tile.onerror = this._tileOnError;
+
+ this._adjustTilePoint(tilePoint);
+ tile.src = this.getTileUrl(tilePoint);
+
+ this.fire('tileloadstart', {
+ tile: tile,
+ url: tile.src
+ });
+ },
+
+ _tileLoaded: function () {
+ this._tilesToLoad--;
+
+ if (this._animated) {
+ L.DomUtil.addClass(this._tileContainer, 'leaflet-zoom-animated');
+ }
+
+ if (!this._tilesToLoad) {
+ this.fire('load');
+
+ if (this._animated) {
+ // clear scaled tiles after all new tiles are loaded (for performance)
+ clearTimeout(this._clearBgBufferTimer);
+ this._clearBgBufferTimer = setTimeout(L.bind(this._clearBgBuffer, this), 500);
+ }
+ }
+ },
+
+ _tileOnLoad: function () {
+ var layer = this._layer;
+
+ //Only if we are loading an actual image
+ if (this.src !== L.Util.emptyImageUrl) {
+ L.DomUtil.addClass(this, 'leaflet-tile-loaded');
+
+ layer.fire('tileload', {
+ tile: this,
+ url: this.src
+ });
+ }
+
+ layer._tileLoaded();
+ },
+
+ _tileOnError: function () {
+ var layer = this._layer;
+
+ layer.fire('tileerror', {
+ tile: this,
+ url: this.src
+ });
+
+ var newUrl = layer.options.errorTileUrl;
+ if (newUrl) {
+ this.src = newUrl;
+ }
+
+ layer._tileLoaded();
+ }
+});
+
+L.tileLayer = function (url, options) {
+ return new L.TileLayer(url, options);
+};
+
+
+/*
+ * L.TileLayer.WMS is used for putting WMS tile layers on the map.
+ */
+
+L.TileLayer.WMS = L.TileLayer.extend({
+
+ defaultWmsParams: {
+ service: 'WMS',
+ request: 'GetMap',
+ version: '1.1.1',
+ layers: '',
+ styles: '',
+ format: 'image/jpeg',
+ transparent: false
+ },
+
+ initialize: function (url, options) { // (String, Object)
+
+ this._url = url;
+
+ var wmsParams = L.extend({}, this.defaultWmsParams),
+ tileSize = options.tileSize || this.options.tileSize;
+
+ if (options.detectRetina && L.Browser.retina) {
+ wmsParams.width = wmsParams.height = tileSize * 2;
+ } else {
+ wmsParams.width = wmsParams.height = tileSize;
+ }
+
+ for (var i in options) {
+ // all keys that are not TileLayer options go to WMS params
+ if (!this.options.hasOwnProperty(i) && i !== 'crs') {
+ wmsParams[i] = options[i];
+ }
+ }
+
+ this.wmsParams = wmsParams;
+
+ L.setOptions(this, options);
+ },
+
+ onAdd: function (map) {
+
+ this._crs = this.options.crs || map.options.crs;
+
+ this._wmsVersion = parseFloat(this.wmsParams.version);
+
+ var projectionKey = this._wmsVersion >= 1.3 ? 'crs' : 'srs';
+ this.wmsParams[projectionKey] = this._crs.code;
+
+ L.TileLayer.prototype.onAdd.call(this, map);
+ },
+
+ getTileUrl: function (tilePoint) { // (Point, Number) -> String
+
+ var map = this._map,
+ tileSize = this.options.tileSize,
+
+ nwPoint = tilePoint.multiplyBy(tileSize),
+ sePoint = nwPoint.add([tileSize, tileSize]),
+
+ nw = this._crs.project(map.unproject(nwPoint, tilePoint.z)),
+ se = this._crs.project(map.unproject(sePoint, tilePoint.z)),
+ bbox = this._wmsVersion >= 1.3 && this._crs === L.CRS.EPSG4326 ?
+ [se.y, nw.x, nw.y, se.x].join(',') :
+ [nw.x, se.y, se.x, nw.y].join(','),
+
+ url = L.Util.template(this._url, {s: this._getSubdomain(tilePoint)});
+
+ return url + L.Util.getParamString(this.wmsParams, url, true) + '&BBOX=' + bbox;
+ },
+
+ setParams: function (params, noRedraw) {
+
+ L.extend(this.wmsParams, params);
+
+ if (!noRedraw) {
+ this.redraw();
+ }
+
+ return this;
+ }
+});
+
+L.tileLayer.wms = function (url, options) {
+ return new L.TileLayer.WMS(url, options);
+};
+
+
+/*
+ * L.TileLayer.Canvas is a class that you can use as a base for creating
+ * dynamically drawn Canvas-based tile layers.
+ */
+
+L.TileLayer.Canvas = L.TileLayer.extend({
+ options: {
+ async: false
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+ },
+
+ redraw: function () {
+ if (this._map) {
+ this._reset({hard: true});
+ this._update();
+ }
+
+ for (var i in this._tiles) {
+ this._redrawTile(this._tiles[i]);
+ }
+ return this;
+ },
+
+ _redrawTile: function (tile) {
+ this.drawTile(tile, tile._tilePoint, this._map._zoom);
+ },
+
+ _createTile: function () {
+ var tile = L.DomUtil.create('canvas', 'leaflet-tile');
+ tile.width = tile.height = this.options.tileSize;
+ tile.onselectstart = tile.onmousemove = L.Util.falseFn;
+ return tile;
+ },
+
+ _loadTile: function (tile, tilePoint) {
+ tile._layer = this;
+ tile._tilePoint = tilePoint;
+
+ this._redrawTile(tile);
+
+ if (!this.options.async) {
+ this.tileDrawn(tile);
+ }
+ },
+
+ drawTile: function (/*tile, tilePoint*/) {
+ // override with rendering code
+ },
+
+ tileDrawn: function (tile) {
+ this._tileOnLoad.call(tile);
+ }
+});
+
+
+L.tileLayer.canvas = function (options) {
+ return new L.TileLayer.Canvas(options);
+};
+
+
+/*
+ * L.ImageOverlay is used to overlay images over the map (to specific geographical bounds).
+ */
+
+L.ImageOverlay = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ options: {
+ opacity: 1
+ },
+
+ initialize: function (url, bounds, options) { // (String, LatLngBounds, Object)
+ this._url = url;
+ this._bounds = L.latLngBounds(bounds);
+
+ L.setOptions(this, options);
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ if (!this._image) {
+ this._initImage();
+ }
+
+ map._panes.overlayPane.appendChild(this._image);
+
+ map.on('viewreset', this._reset, this);
+
+ if (map.options.zoomAnimation && L.Browser.any3d) {
+ map.on('zoomanim', this._animateZoom, this);
+ }
+
+ this._reset();
+ },
+
+ onRemove: function (map) {
+ map.getPanes().overlayPane.removeChild(this._image);
+
+ map.off('viewreset', this._reset, this);
+
+ if (map.options.zoomAnimation) {
+ map.off('zoomanim', this._animateZoom, this);
+ }
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+ this._updateOpacity();
+ return this;
+ },
+
+ // TODO remove bringToFront/bringToBack duplication from TileLayer/Path
+ bringToFront: function () {
+ if (this._image) {
+ this._map._panes.overlayPane.appendChild(this._image);
+ }
+ return this;
+ },
+
+ bringToBack: function () {
+ var pane = this._map._panes.overlayPane;
+ if (this._image) {
+ pane.insertBefore(this._image, pane.firstChild);
+ }
+ return this;
+ },
+
+ setUrl: function (url) {
+ this._url = url;
+ this._image.src = this._url;
+ },
+
+ getAttribution: function () {
+ return this.options.attribution;
+ },
+
+ _initImage: function () {
+ this._image = L.DomUtil.create('img', 'leaflet-image-layer');
+
+ if (this._map.options.zoomAnimation && L.Browser.any3d) {
+ L.DomUtil.addClass(this._image, 'leaflet-zoom-animated');
+ } else {
+ L.DomUtil.addClass(this._image, 'leaflet-zoom-hide');
+ }
+
+ this._updateOpacity();
+
+ //TODO createImage util method to remove duplication
+ L.extend(this._image, {
+ galleryimg: 'no',
+ onselectstart: L.Util.falseFn,
+ onmousemove: L.Util.falseFn,
+ onload: L.bind(this._onImageLoad, this),
+ src: this._url
+ });
+ },
+
+ _animateZoom: function (e) {
+ var map = this._map,
+ image = this._image,
+ scale = map.getZoomScale(e.zoom),
+ nw = this._bounds.getNorthWest(),
+ se = this._bounds.getSouthEast(),
+
+ topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center),
+ size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft),
+ origin = topLeft._add(size._multiplyBy((1 / 2) * (1 - 1 / scale)));
+
+ image.style[L.DomUtil.TRANSFORM] =
+ L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') ';
+ },
+
+ _reset: function () {
+ var image = this._image,
+ topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
+ size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);
+
+ L.DomUtil.setPosition(image, topLeft);
+
+ image.style.width = size.x + 'px';
+ image.style.height = size.y + 'px';
+ },
+
+ _onImageLoad: function () {
+ this.fire('load');
+ },
+
+ _updateOpacity: function () {
+ L.DomUtil.setOpacity(this._image, this.options.opacity);
+ }
+});
+
+L.imageOverlay = function (url, bounds, options) {
+ return new L.ImageOverlay(url, bounds, options);
+};
+
+
+/*
+ * L.Icon is an image-based icon class that you can use with L.Marker for custom markers.
+ */
+
+L.Icon = L.Class.extend({
+ options: {
+ /*
+ iconUrl: (String) (required)
+ iconRetinaUrl: (String) (optional, used for retina devices if detected)
+ iconSize: (Point) (can be set through CSS)
+ iconAnchor: (Point) (centered by default, can be set in CSS with negative margins)
+ popupAnchor: (Point) (if not specified, popup opens in the anchor point)
+ shadowUrl: (String) (no shadow by default)
+ shadowRetinaUrl: (String) (optional, used for retina devices if detected)
+ shadowSize: (Point)
+ shadowAnchor: (Point)
+ */
+ className: ''
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+ },
+
+ createIcon: function (oldIcon) {
+ return this._createIcon('icon', oldIcon);
+ },
+
+ createShadow: function (oldIcon) {
+ return this._createIcon('shadow', oldIcon);
+ },
+
+ _createIcon: function (name, oldIcon) {
+ var src = this._getIconUrl(name);
+
+ if (!src) {
+ if (name === 'icon') {
+ throw new Error('iconUrl not set in Icon options (see the docs).');
+ }
+ return null;
+ }
+
+ var img;
+ if (!oldIcon || oldIcon.tagName !== 'IMG') {
+ img = this._createImg(src);
+ } else {
+ img = this._createImg(src, oldIcon);
+ }
+ this._setIconStyles(img, name);
+
+ return img;
+ },
+
+ _setIconStyles: function (img, name) {
+ var options = this.options,
+ size = L.point(options[name + 'Size']),
+ anchor;
+
+ if (name === 'shadow') {
+ anchor = L.point(options.shadowAnchor || options.iconAnchor);
+ } else {
+ anchor = L.point(options.iconAnchor);
+ }
+
+ if (!anchor && size) {
+ anchor = size.divideBy(2, true);
+ }
+
+ img.className = 'leaflet-marker-' + name + ' ' + options.className;
+
+ if (anchor) {
+ img.style.marginLeft = (-anchor.x) + 'px';
+ img.style.marginTop = (-anchor.y) + 'px';
+ }
+
+ if (size) {
+ img.style.width = size.x + 'px';
+ img.style.height = size.y + 'px';
+ }
+ },
+
+ _createImg: function (src, el) {
+ el = el || document.createElement('img');
+ el.src = src;
+ return el;
+ },
+
+ _getIconUrl: function (name) {
+ if (L.Browser.retina && this.options[name + 'RetinaUrl']) {
+ return this.options[name + 'RetinaUrl'];
+ }
+ return this.options[name + 'Url'];
+ }
+});
+
+L.icon = function (options) {
+ return new L.Icon(options);
+};
+
+
+/*
+ * L.Icon.Default is the blue marker icon used by default in Leaflet.
+ */
+
+L.Icon.Default = L.Icon.extend({
+
+ options: {
+ iconSize: [25, 41],
+ iconAnchor: [12, 41],
+ popupAnchor: [1, -34],
+
+ shadowSize: [41, 41]
+ },
+
+ _getIconUrl: function (name) {
+ var key = name + 'Url';
+
+ if (this.options[key]) {
+ return this.options[key];
+ }
+
+ if (L.Browser.retina && name === 'icon') {
+ name += '-2x';
+ }
+
+ var path = L.Icon.Default.imagePath;
+
+ if (!path) {
+ throw new Error('Couldn\'t autodetect L.Icon.Default.imagePath, set it manually.');
+ }
+
+ return path + '/marker-' + name + '.png';
+ }
+});
+
+L.Icon.Default.imagePath = (function () {
+ var scripts = document.getElementsByTagName('script'),
+ leafletRe = /[\/^]leaflet[\-\._]?([\w\-\._]*)\.js\??/;
+
+ var i, len, src, matches, path;
+
+ for (i = 0, len = scripts.length; i < len; i++) {
+ src = scripts[i].src;
+ matches = src.match(leafletRe);
+
+ if (matches) {
+ path = src.split(leafletRe)[0];
+ return (path ? path + '/' : '') + 'images';
+ }
+ }
+}());
+
+
+/*
+ * L.Marker is used to display clickable/draggable icons on the map.
+ */
+
+L.Marker = L.Class.extend({
+
+ includes: L.Mixin.Events,
+
+ options: {
+ icon: new L.Icon.Default(),
+ title: '',
+ alt: '',
+ clickable: true,
+ draggable: false,
+ keyboard: true,
+ zIndexOffset: 0,
+ opacity: 1,
+ riseOnHover: false,
+ riseOffset: 250
+ },
+
+ initialize: function (latlng, options) {
+ L.setOptions(this, options);
+ this._latlng = L.latLng(latlng);
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ map.on('viewreset', this.update, this);
+
+ this._initIcon();
+ this.update();
+ this.fire('add');
+
+ if (map.options.zoomAnimation && map.options.markerZoomAnimation) {
+ map.on('zoomanim', this._animateZoom, this);
+ }
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ onRemove: function (map) {
+ if (this.dragging) {
+ this.dragging.disable();
+ }
+
+ this._removeIcon();
+ this._removeShadow();
+
+ this.fire('remove');
+
+ map.off({
+ 'viewreset': this.update,
+ 'zoomanim': this._animateZoom
+ }, this);
+
+ this._map = null;
+ },
+
+ getLatLng: function () {
+ return this._latlng;
+ },
+
+ setLatLng: function (latlng) {
+ this._latlng = L.latLng(latlng);
+
+ this.update();
+
+ return this.fire('move', { latlng: this._latlng });
+ },
+
+ setZIndexOffset: function (offset) {
+ this.options.zIndexOffset = offset;
+ this.update();
+
+ return this;
+ },
+
+ setIcon: function (icon) {
+
+ this.options.icon = icon;
+
+ if (this._map) {
+ this._initIcon();
+ this.update();
+ }
+
+ if (this._popup) {
+ this.bindPopup(this._popup);
+ }
+
+ return this;
+ },
+
+ update: function () {
+ if (this._icon) {
+ this._setPos(this._map.latLngToLayerPoint(this._latlng).round());
+ }
+ return this;
+ },
+
+ _initIcon: function () {
+ var options = this.options,
+ map = this._map,
+ animation = (map.options.zoomAnimation && map.options.markerZoomAnimation),
+ classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide';
+
+ var icon = options.icon.createIcon(this._icon),
+ addIcon = false;
+
+ // if we're not reusing the icon, remove the old one and init new one
+ if (icon !== this._icon) {
+ if (this._icon) {
+ this._removeIcon();
+ }
+ addIcon = true;
+
+ if (options.title) {
+ icon.title = options.title;
+ }
+
+ if (options.alt) {
+ icon.alt = options.alt;
+ }
+ }
+
+ L.DomUtil.addClass(icon, classToAdd);
+
+ if (options.keyboard) {
+ icon.tabIndex = '0';
+ }
+
+ this._icon = icon;
+
+ this._initInteraction();
+
+ if (options.riseOnHover) {
+ L.DomEvent
+ .on(icon, 'mouseover', this._bringToFront, this)
+ .on(icon, 'mouseout', this._resetZIndex, this);
+ }
+
+ var newShadow = options.icon.createShadow(this._shadow),
+ addShadow = false;
+
+ if (newShadow !== this._shadow) {
+ this._removeShadow();
+ addShadow = true;
+ }
+
+ if (newShadow) {
+ L.DomUtil.addClass(newShadow, classToAdd);
+ }
+ this._shadow = newShadow;
+
+
+ if (options.opacity < 1) {
+ this._updateOpacity();
+ }
+
+
+ var panes = this._map._panes;
+
+ if (addIcon) {
+ panes.markerPane.appendChild(this._icon);
+ }
+
+ if (newShadow && addShadow) {
+ panes.shadowPane.appendChild(this._shadow);
+ }
+ },
+
+ _removeIcon: function () {
+ if (this.options.riseOnHover) {
+ L.DomEvent
+ .off(this._icon, 'mouseover', this._bringToFront)
+ .off(this._icon, 'mouseout', this._resetZIndex);
+ }
+
+ this._map._panes.markerPane.removeChild(this._icon);
+
+ this._icon = null;
+ },
+
+ _removeShadow: function () {
+ if (this._shadow) {
+ this._map._panes.shadowPane.removeChild(this._shadow);
+ }
+ this._shadow = null;
+ },
+
+ _setPos: function (pos) {
+ L.DomUtil.setPosition(this._icon, pos);
+
+ if (this._shadow) {
+ L.DomUtil.setPosition(this._shadow, pos);
+ }
+
+ this._zIndex = pos.y + this.options.zIndexOffset;
+
+ this._resetZIndex();
+ },
+
+ _updateZIndex: function (offset) {
+ this._icon.style.zIndex = this._zIndex + offset;
+ },
+
+ _animateZoom: function (opt) {
+ var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center).round();
+
+ this._setPos(pos);
+ },
+
+ _initInteraction: function () {
+
+ if (!this.options.clickable) { return; }
+
+ // TODO refactor into something shared with Map/Path/etc. to DRY it up
+
+ var icon = this._icon,
+ events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'contextmenu'];
+
+ L.DomUtil.addClass(icon, 'leaflet-clickable');
+ L.DomEvent.on(icon, 'click', this._onMouseClick, this);
+ L.DomEvent.on(icon, 'keypress', this._onKeyPress, this);
+
+ for (var i = 0; i < events.length; i++) {
+ L.DomEvent.on(icon, events[i], this._fireMouseEvent, this);
+ }
+
+ if (L.Handler.MarkerDrag) {
+ this.dragging = new L.Handler.MarkerDrag(this);
+
+ if (this.options.draggable) {
+ this.dragging.enable();
+ }
+ }
+ },
+
+ _onMouseClick: function (e) {
+ var wasDragged = this.dragging && this.dragging.moved();
+
+ if (this.hasEventListeners(e.type) || wasDragged) {
+ L.DomEvent.stopPropagation(e);
+ }
+
+ if (wasDragged) { return; }
+
+ if ((!this.dragging || !this.dragging._enabled) && this._map.dragging && this._map.dragging.moved()) { return; }
+
+ this.fire(e.type, {
+ originalEvent: e,
+ latlng: this._latlng
+ });
+ },
+
+ _onKeyPress: function (e) {
+ if (e.keyCode === 13) {
+ this.fire('click', {
+ originalEvent: e,
+ latlng: this._latlng
+ });
+ }
+ },
+
+ _fireMouseEvent: function (e) {
+
+ this.fire(e.type, {
+ originalEvent: e,
+ latlng: this._latlng
+ });
+
+ // TODO proper custom event propagation
+ // this line will always be called if marker is in a FeatureGroup
+ if (e.type === 'contextmenu' && this.hasEventListeners(e.type)) {
+ L.DomEvent.preventDefault(e);
+ }
+ if (e.type !== 'mousedown') {
+ L.DomEvent.stopPropagation(e);
+ } else {
+ L.DomEvent.preventDefault(e);
+ }
+ },
+
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+ if (this._map) {
+ this._updateOpacity();
+ }
+
+ return this;
+ },
+
+ _updateOpacity: function () {
+ L.DomUtil.setOpacity(this._icon, this.options.opacity);
+ if (this._shadow) {
+ L.DomUtil.setOpacity(this._shadow, this.options.opacity);
+ }
+ },
+
+ _bringToFront: function () {
+ this._updateZIndex(this.options.riseOffset);
+ },
+
+ _resetZIndex: function () {
+ this._updateZIndex(0);
+ }
+});
+
+L.marker = function (latlng, options) {
+ return new L.Marker(latlng, options);
+};
+
+
+/*
+ * L.DivIcon is a lightweight HTML-based icon class (as opposed to the image-based L.Icon)
+ * to use with L.Marker.
+ */
+
+L.DivIcon = L.Icon.extend({
+ options: {
+ iconSize: [12, 12], // also can be set through CSS
+ /*
+ iconAnchor: (Point)
+ popupAnchor: (Point)
+ html: (String)
+ bgPos: (Point)
+ */
+ className: 'leaflet-div-icon',
+ html: false
+ },
+
+ createIcon: function (oldIcon) {
+ var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'),
+ options = this.options;
+
+ if (options.html !== false) {
+ div.innerHTML = options.html;
+ } else {
+ div.innerHTML = '';
+ }
+
+ if (options.bgPos) {
+ div.style.backgroundPosition =
+ (-options.bgPos.x) + 'px ' + (-options.bgPos.y) + 'px';
+ }
+
+ this._setIconStyles(div, 'icon');
+ return div;
+ },
+
+ createShadow: function () {
+ return null;
+ }
+});
+
+L.divIcon = function (options) {
+ return new L.DivIcon(options);
+};
+
+
+/*
+ * L.Popup is used for displaying popups on the map.
+ */
+
+L.Map.mergeOptions({
+ closePopupOnClick: true
+});
+
+L.Popup = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ options: {
+ minWidth: 50,
+ maxWidth: 300,
+ // maxHeight: null,
+ autoPan: true,
+ closeButton: true,
+ offset: [0, 7],
+ autoPanPadding: [5, 5],
+ // autoPanPaddingTopLeft: null,
+ // autoPanPaddingBottomRight: null,
+ keepInView: false,
+ className: '',
+ zoomAnimation: true
+ },
+
+ initialize: function (options, source) {
+ L.setOptions(this, options);
+
+ this._source = source;
+ this._animated = L.Browser.any3d && this.options.zoomAnimation;
+ this._isOpen = false;
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ if (!this._container) {
+ this._initLayout();
+ }
+
+ var animFade = map.options.fadeAnimation;
+
+ if (animFade) {
+ L.DomUtil.setOpacity(this._container, 0);
+ }
+ map._panes.popupPane.appendChild(this._container);
+
+ map.on(this._getEvents(), this);
+
+ this.update();
+
+ if (animFade) {
+ L.DomUtil.setOpacity(this._container, 1);
+ }
+
+ this.fire('open');
+
+ map.fire('popupopen', {popup: this});
+
+ if (this._source) {
+ this._source.fire('popupopen', {popup: this});
+ }
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ openOn: function (map) {
+ map.openPopup(this);
+ return this;
+ },
+
+ onRemove: function (map) {
+ map._panes.popupPane.removeChild(this._container);
+
+ L.Util.falseFn(this._container.offsetWidth); // force reflow
+
+ map.off(this._getEvents(), this);
+
+ if (map.options.fadeAnimation) {
+ L.DomUtil.setOpacity(this._container, 0);
+ }
+
+ this._map = null;
+
+ this.fire('close');
+
+ map.fire('popupclose', {popup: this});
+
+ if (this._source) {
+ this._source.fire('popupclose', {popup: this});
+ }
+ },
+
+ getLatLng: function () {
+ return this._latlng;
+ },
+
+ setLatLng: function (latlng) {
+ this._latlng = L.latLng(latlng);
+ if (this._map) {
+ this._updatePosition();
+ this._adjustPan();
+ }
+ return this;
+ },
+
+ getContent: function () {
+ return this._content;
+ },
+
+ setContent: function (content) {
+ this._content = content;
+ this.update();
+ return this;
+ },
+
+ update: function () {
+ if (!this._map) { return; }
+
+ this._container.style.visibility = 'hidden';
+
+ this._updateContent();
+ this._updateLayout();
+ this._updatePosition();
+
+ this._container.style.visibility = '';
+
+ this._adjustPan();
+ },
+
+ _getEvents: function () {
+ var events = {
+ viewreset: this._updatePosition
+ };
+
+ if (this._animated) {
+ events.zoomanim = this._zoomAnimation;
+ }
+ if ('closeOnClick' in this.options ? this.options.closeOnClick : this._map.options.closePopupOnClick) {
+ events.preclick = this._close;
+ }
+ if (this.options.keepInView) {
+ events.moveend = this._adjustPan;
+ }
+
+ return events;
+ },
+
+ _close: function () {
+ if (this._map) {
+ this._map.closePopup(this);
+ }
+ },
+
+ _initLayout: function () {
+ var prefix = 'leaflet-popup',
+ containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-' +
+ (this._animated ? 'animated' : 'hide'),
+ container = this._container = L.DomUtil.create('div', containerClass),
+ closeButton;
+
+ if (this.options.closeButton) {
+ closeButton = this._closeButton =
+ L.DomUtil.create('a', prefix + '-close-button', container);
+ closeButton.href = '#close';
+ closeButton.innerHTML = '×';
+ L.DomEvent.disableClickPropagation(closeButton);
+
+ L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);
+ }
+
+ var wrapper = this._wrapper =
+ L.DomUtil.create('div', prefix + '-content-wrapper', container);
+ L.DomEvent.disableClickPropagation(wrapper);
+
+ this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);
+
+ L.DomEvent.disableScrollPropagation(this._contentNode);
+ L.DomEvent.on(wrapper, 'contextmenu', L.DomEvent.stopPropagation);
+
+ this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);
+ this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);
+ },
+
+ _updateContent: function () {
+ if (!this._content) { return; }
+
+ if (typeof this._content === 'string') {
+ this._contentNode.innerHTML = this._content;
+ } else {
+ while (this._contentNode.hasChildNodes()) {
+ this._contentNode.removeChild(this._contentNode.firstChild);
+ }
+ this._contentNode.appendChild(this._content);
+ }
+ this.fire('contentupdate');
+ },
+
+ _updateLayout: function () {
+ var container = this._contentNode,
+ style = container.style;
+
+ style.width = '';
+ style.whiteSpace = 'nowrap';
+
+ var width = container.offsetWidth;
+ width = Math.min(width, this.options.maxWidth);
+ width = Math.max(width, this.options.minWidth);
+
+ style.width = (width + 1) + 'px';
+ style.whiteSpace = '';
+
+ style.height = '';
+
+ var height = container.offsetHeight,
+ maxHeight = this.options.maxHeight,
+ scrolledClass = 'leaflet-popup-scrolled';
+
+ if (maxHeight && height > maxHeight) {
+ style.height = maxHeight + 'px';
+ L.DomUtil.addClass(container, scrolledClass);
+ } else {
+ L.DomUtil.removeClass(container, scrolledClass);
+ }
+
+ this._containerWidth = this._container.offsetWidth;
+ },
+
+ _updatePosition: function () {
+ if (!this._map) { return; }
+
+ var pos = this._map.latLngToLayerPoint(this._latlng),
+ animated = this._animated,
+ offset = L.point(this.options.offset);
+
+ if (animated) {
+ L.DomUtil.setPosition(this._container, pos);
+ }
+
+ this._containerBottom = -offset.y - (animated ? 0 : pos.y);
+ this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (animated ? 0 : pos.x);
+
+ // bottom position the popup in case the height of the popup changes (images loading etc)
+ this._container.style.bottom = this._containerBottom + 'px';
+ this._container.style.left = this._containerLeft + 'px';
+ },
+
+ _zoomAnimation: function (opt) {
+ var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);
+
+ L.DomUtil.setPosition(this._container, pos);
+ },
+
+ _adjustPan: function () {
+ if (!this.options.autoPan) { return; }
+
+ var map = this._map,
+ containerHeight = this._container.offsetHeight,
+ containerWidth = this._containerWidth,
+
+ layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);
+
+ if (this._animated) {
+ layerPos._add(L.DomUtil.getPosition(this._container));
+ }
+
+ var containerPos = map.layerPointToContainerPoint(layerPos),
+ padding = L.point(this.options.autoPanPadding),
+ paddingTL = L.point(this.options.autoPanPaddingTopLeft || padding),
+ paddingBR = L.point(this.options.autoPanPaddingBottomRight || padding),
+ size = map.getSize(),
+ dx = 0,
+ dy = 0;
+
+ if (containerPos.x + containerWidth + paddingBR.x > size.x) { // right
+ dx = containerPos.x + containerWidth - size.x + paddingBR.x;
+ }
+ if (containerPos.x - dx - paddingTL.x < 0) { // left
+ dx = containerPos.x - paddingTL.x;
+ }
+ if (containerPos.y + containerHeight + paddingBR.y > size.y) { // bottom
+ dy = containerPos.y + containerHeight - size.y + paddingBR.y;
+ }
+ if (containerPos.y - dy - paddingTL.y < 0) { // top
+ dy = containerPos.y - paddingTL.y;
+ }
+
+ if (dx || dy) {
+ map
+ .fire('autopanstart')
+ .panBy([dx, dy]);
+ }
+ },
+
+ _onCloseButtonClick: function (e) {
+ this._close();
+ L.DomEvent.stop(e);
+ }
+});
+
+L.popup = function (options, source) {
+ return new L.Popup(options, source);
+};
+
+
+L.Map.include({
+ openPopup: function (popup, latlng, options) { // (Popup) or (String || HTMLElement, LatLng[, Object])
+ this.closePopup();
+
+ if (!(popup instanceof L.Popup)) {
+ var content = popup;
+
+ popup = new L.Popup(options)
+ .setLatLng(latlng)
+ .setContent(content);
+ }
+ popup._isOpen = true;
+
+ this._popup = popup;
+ return this.addLayer(popup);
+ },
+
+ closePopup: function (popup) {
+ if (!popup || popup === this._popup) {
+ popup = this._popup;
+ this._popup = null;
+ }
+ if (popup) {
+ this.removeLayer(popup);
+ popup._isOpen = false;
+ }
+ return this;
+ }
+});
+
+
+/*
+ * Popup extension to L.Marker, adding popup-related methods.
+ */
+
+L.Marker.include({
+ openPopup: function () {
+ if (this._popup && this._map && !this._map.hasLayer(this._popup)) {
+ this._popup.setLatLng(this._latlng);
+ this._map.openPopup(this._popup);
+ }
+
+ return this;
+ },
+
+ closePopup: function () {
+ if (this._popup) {
+ this._popup._close();
+ }
+ return this;
+ },
+
+ togglePopup: function () {
+ if (this._popup) {
+ if (this._popup._isOpen) {
+ this.closePopup();
+ } else {
+ this.openPopup();
+ }
+ }
+ return this;
+ },
+
+ bindPopup: function (content, options) {
+ var anchor = L.point(this.options.icon.options.popupAnchor || [0, 0]);
+
+ anchor = anchor.add(L.Popup.prototype.options.offset);
+
+ if (options && options.offset) {
+ anchor = anchor.add(options.offset);
+ }
+
+ options = L.extend({offset: anchor}, options);
+
+ if (!this._popupHandlersAdded) {
+ this
+ .on('click', this.togglePopup, this)
+ .on('remove', this.closePopup, this)
+ .on('move', this._movePopup, this);
+ this._popupHandlersAdded = true;
+ }
+
+ if (content instanceof L.Popup) {
+ L.setOptions(content, options);
+ this._popup = content;
+ content._source = this;
+ } else {
+ this._popup = new L.Popup(options, this)
+ .setContent(content);
+ }
+
+ return this;
+ },
+
+ setPopupContent: function (content) {
+ if (this._popup) {
+ this._popup.setContent(content);
+ }
+ return this;
+ },
+
+ unbindPopup: function () {
+ if (this._popup) {
+ this._popup = null;
+ this
+ .off('click', this.togglePopup, this)
+ .off('remove', this.closePopup, this)
+ .off('move', this._movePopup, this);
+ this._popupHandlersAdded = false;
+ }
+ return this;
+ },
+
+ getPopup: function () {
+ return this._popup;
+ },
+
+ _movePopup: function (e) {
+ this._popup.setLatLng(e.latlng);
+ }
+});
+
+
+/*
+ * L.LayerGroup is a class to combine several layers into one so that
+ * you can manipulate the group (e.g. add/remove it) as one layer.
+ */
+
+L.LayerGroup = L.Class.extend({
+ initialize: function (layers) {
+ this._layers = {};
+
+ var i, len;
+
+ if (layers) {
+ for (i = 0, len = layers.length; i < len; i++) {
+ this.addLayer(layers[i]);
+ }
+ }
+ },
+
+ addLayer: function (layer) {
+ var id = this.getLayerId(layer);
+
+ this._layers[id] = layer;
+
+ if (this._map) {
+ this._map.addLayer(layer);
+ }
+
+ return this;
+ },
+
+ removeLayer: function (layer) {
+ var id = layer in this._layers ? layer : this.getLayerId(layer);
+
+ if (this._map && this._layers[id]) {
+ this._map.removeLayer(this._layers[id]);
+ }
+
+ delete this._layers[id];
+
+ return this;
+ },
+
+ hasLayer: function (layer) {
+ if (!layer) { return false; }
+
+ return (layer in this._layers || this.getLayerId(layer) in this._layers);
+ },
+
+ clearLayers: function () {
+ this.eachLayer(this.removeLayer, this);
+ return this;
+ },
+
+ invoke: function (methodName) {
+ var args = Array.prototype.slice.call(arguments, 1),
+ i, layer;
+
+ for (i in this._layers) {
+ layer = this._layers[i];
+
+ if (layer[methodName]) {
+ layer[methodName].apply(layer, args);
+ }
+ }
+
+ return this;
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+ this.eachLayer(map.addLayer, map);
+ },
+
+ onRemove: function (map) {
+ this.eachLayer(map.removeLayer, map);
+ this._map = null;
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ eachLayer: function (method, context) {
+ for (var i in this._layers) {
+ method.call(context, this._layers[i]);
+ }
+ return this;
+ },
+
+ getLayer: function (id) {
+ return this._layers[id];
+ },
+
+ getLayers: function () {
+ var layers = [];
+
+ for (var i in this._layers) {
+ layers.push(this._layers[i]);
+ }
+ return layers;
+ },
+
+ setZIndex: function (zIndex) {
+ return this.invoke('setZIndex', zIndex);
+ },
+
+ getLayerId: function (layer) {
+ return L.stamp(layer);
+ }
+});
+
+L.layerGroup = function (layers) {
+ return new L.LayerGroup(layers);
+};
+
+
+/*
+ * L.FeatureGroup extends L.LayerGroup by introducing mouse events and additional methods
+ * shared between a group of interactive layers (like vectors or markers).
+ */
+
+L.FeatureGroup = L.LayerGroup.extend({
+ includes: L.Mixin.Events,
+
+ statics: {
+ EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu popupopen popupclose'
+ },
+
+ addLayer: function (layer) {
+ if (this.hasLayer(layer)) {
+ return this;
+ }
+
+ if ('on' in layer) {
+ layer.on(L.FeatureGroup.EVENTS, this._propagateEvent, this);
+ }
+
+ L.LayerGroup.prototype.addLayer.call(this, layer);
+
+ if (this._popupContent && layer.bindPopup) {
+ layer.bindPopup(this._popupContent, this._popupOptions);
+ }
+
+ return this.fire('layeradd', {layer: layer});
+ },
+
+ removeLayer: function (layer) {
+ if (!this.hasLayer(layer)) {
+ return this;
+ }
+ if (layer in this._layers) {
+ layer = this._layers[layer];
+ }
+
+ if ('off' in layer) {
+ layer.off(L.FeatureGroup.EVENTS, this._propagateEvent, this);
+ }
+
+ L.LayerGroup.prototype.removeLayer.call(this, layer);
+
+ if (this._popupContent) {
+ this.invoke('unbindPopup');
+ }
+
+ return this.fire('layerremove', {layer: layer});
+ },
+
+ bindPopup: function (content, options) {
+ this._popupContent = content;
+ this._popupOptions = options;
+ return this.invoke('bindPopup', content, options);
+ },
+
+ openPopup: function (latlng) {
+ // open popup on the first layer
+ for (var id in this._layers) {
+ this._layers[id].openPopup(latlng);
+ break;
+ }
+ return this;
+ },
+
+ setStyle: function (style) {
+ return this.invoke('setStyle', style);
+ },
+
+ bringToFront: function () {
+ return this.invoke('bringToFront');
+ },
+
+ bringToBack: function () {
+ return this.invoke('bringToBack');
+ },
+
+ getBounds: function () {
+ var bounds = new L.LatLngBounds();
+
+ this.eachLayer(function (layer) {
+ bounds.extend(layer instanceof L.Marker ? layer.getLatLng() : layer.getBounds());
+ });
+
+ return bounds;
+ },
+
+ _propagateEvent: function (e) {
+ e = L.extend({
+ layer: e.target,
+ target: this
+ }, e);
+ this.fire(e.type, e);
+ }
+});
+
+L.featureGroup = function (layers) {
+ return new L.FeatureGroup(layers);
+};
+
+
+/*
+ * L.Path is a base class for rendering vector paths on a map. Inherited by Polyline, Circle, etc.
+ */
+
+L.Path = L.Class.extend({
+ includes: [L.Mixin.Events],
+
+ statics: {
+ // how much to extend the clip area around the map view
+ // (relative to its size, e.g. 0.5 is half the screen in each direction)
+ // set it so that SVG element doesn't exceed 1280px (vectors flicker on dragend if it is)
+ CLIP_PADDING: (function () {
+ var max = L.Browser.mobile ? 1280 : 2000,
+ target = (max / Math.max(window.outerWidth, window.outerHeight) - 1) / 2;
+ return Math.max(0, Math.min(0.5, target));
+ })()
+ },
+
+ options: {
+ stroke: true,
+ color: '#0033ff',
+ dashArray: null,
+ lineCap: null,
+ lineJoin: null,
+ weight: 5,
+ opacity: 0.5,
+
+ fill: false,
+ fillColor: null, //same as color by default
+ fillOpacity: 0.2,
+
+ clickable: true
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ if (!this._container) {
+ this._initElements();
+ this._initEvents();
+ }
+
+ this.projectLatlngs();
+ this._updatePath();
+
+ if (this._container) {
+ this._map._pathRoot.appendChild(this._container);
+ }
+
+ this.fire('add');
+
+ map.on({
+ 'viewreset': this.projectLatlngs,
+ 'moveend': this._updatePath
+ }, this);
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ onRemove: function (map) {
+ map._pathRoot.removeChild(this._container);
+
+ // Need to fire remove event before we set _map to null as the event hooks might need the object
+ this.fire('remove');
+ this._map = null;
+
+ if (L.Browser.vml) {
+ this._container = null;
+ this._stroke = null;
+ this._fill = null;
+ }
+
+ map.off({
+ 'viewreset': this.projectLatlngs,
+ 'moveend': this._updatePath
+ }, this);
+ },
+
+ projectLatlngs: function () {
+ // do all projection stuff here
+ },
+
+ setStyle: function (style) {
+ L.setOptions(this, style);
+
+ if (this._container) {
+ this._updateStyle();
+ }
+
+ return this;
+ },
+
+ redraw: function () {
+ if (this._map) {
+ this.projectLatlngs();
+ this._updatePath();
+ }
+ return this;
+ }
+});
+
+L.Map.include({
+ _updatePathViewport: function () {
+ var p = L.Path.CLIP_PADDING,
+ size = this.getSize(),
+ panePos = L.DomUtil.getPosition(this._mapPane),
+ min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)._round()),
+ max = min.add(size.multiplyBy(1 + p * 2)._round());
+
+ this._pathViewport = new L.Bounds(min, max);
+ }
+});
+
+
+/*
+ * Extends L.Path with SVG-specific rendering code.
+ */
+
+L.Path.SVG_NS = 'http://www.w3.org/2000/svg';
+
+L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect);
+
+L.Path = L.Path.extend({
+ statics: {
+ SVG: L.Browser.svg
+ },
+
+ bringToFront: function () {
+ var root = this._map._pathRoot,
+ path = this._container;
+
+ if (path && root.lastChild !== path) {
+ root.appendChild(path);
+ }
+ return this;
+ },
+
+ bringToBack: function () {
+ var root = this._map._pathRoot,
+ path = this._container,
+ first = root.firstChild;
+
+ if (path && first !== path) {
+ root.insertBefore(path, first);
+ }
+ return this;
+ },
+
+ getPathString: function () {
+ // form path string here
+ },
+
+ _createElement: function (name) {
+ return document.createElementNS(L.Path.SVG_NS, name);
+ },
+
+ _initElements: function () {
+ this._map._initPathRoot();
+ this._initPath();
+ this._initStyle();
+ },
+
+ _initPath: function () {
+ this._container = this._createElement('g');
+
+ this._path = this._createElement('path');
+
+ if (this.options.className) {
+ L.DomUtil.addClass(this._path, this.options.className);
+ }
+
+ this._container.appendChild(this._path);
+ },
+
+ _initStyle: function () {
+ if (this.options.stroke) {
+ this._path.setAttribute('stroke-linejoin', 'round');
+ this._path.setAttribute('stroke-linecap', 'round');
+ }
+ if (this.options.fill) {
+ this._path.setAttribute('fill-rule', 'evenodd');
+ }
+ if (this.options.pointerEvents) {
+ this._path.setAttribute('pointer-events', this.options.pointerEvents);
+ }
+ if (!this.options.clickable && !this.options.pointerEvents) {
+ this._path.setAttribute('pointer-events', 'none');
+ }
+ this._updateStyle();
+ },
+
+ _updateStyle: function () {
+ if (this.options.stroke) {
+ this._path.setAttribute('stroke', this.options.color);
+ this._path.setAttribute('stroke-opacity', this.options.opacity);
+ this._path.setAttribute('stroke-width', this.options.weight);
+ if (this.options.dashArray) {
+ this._path.setAttribute('stroke-dasharray', this.options.dashArray);
+ } else {
+ this._path.removeAttribute('stroke-dasharray');
+ }
+ if (this.options.lineCap) {
+ this._path.setAttribute('stroke-linecap', this.options.lineCap);
+ }
+ if (this.options.lineJoin) {
+ this._path.setAttribute('stroke-linejoin', this.options.lineJoin);
+ }
+ } else {
+ this._path.setAttribute('stroke', 'none');
+ }
+ if (this.options.fill) {
+ this._path.setAttribute('fill', this.options.fillColor || this.options.color);
+ this._path.setAttribute('fill-opacity', this.options.fillOpacity);
+ } else {
+ this._path.setAttribute('fill', 'none');
+ }
+ },
+
+ _updatePath: function () {
+ var str = this.getPathString();
+ if (!str) {
+ // fix webkit empty string parsing bug
+ str = 'M0 0';
+ }
+ this._path.setAttribute('d', str);
+ },
+
+ // TODO remove duplication with L.Map
+ _initEvents: function () {
+ if (this.options.clickable) {
+ if (L.Browser.svg || !L.Browser.vml) {
+ L.DomUtil.addClass(this._path, 'leaflet-clickable');
+ }
+
+ L.DomEvent.on(this._container, 'click', this._onMouseClick, this);
+
+ var events = ['dblclick', 'mousedown', 'mouseover',
+ 'mouseout', 'mousemove', 'contextmenu'];
+ for (var i = 0; i < events.length; i++) {
+ L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);
+ }
+ }
+ },
+
+ _onMouseClick: function (e) {
+ if (this._map.dragging && this._map.dragging.moved()) { return; }
+
+ this._fireMouseEvent(e);
+ },
+
+ _fireMouseEvent: function (e) {
+ if (!this._map || !this.hasEventListeners(e.type)) { return; }
+
+ var map = this._map,
+ containerPoint = map.mouseEventToContainerPoint(e),
+ layerPoint = map.containerPointToLayerPoint(containerPoint),
+ latlng = map.layerPointToLatLng(layerPoint);
+
+ this.fire(e.type, {
+ latlng: latlng,
+ layerPoint: layerPoint,
+ containerPoint: containerPoint,
+ originalEvent: e
+ });
+
+ if (e.type === 'contextmenu') {
+ L.DomEvent.preventDefault(e);
+ }
+ if (e.type !== 'mousemove') {
+ L.DomEvent.stopPropagation(e);
+ }
+ }
+});
+
+L.Map.include({
+ _initPathRoot: function () {
+ if (!this._pathRoot) {
+ this._pathRoot = L.Path.prototype._createElement('svg');
+ this._panes.overlayPane.appendChild(this._pathRoot);
+
+ if (this.options.zoomAnimation && L.Browser.any3d) {
+ L.DomUtil.addClass(this._pathRoot, 'leaflet-zoom-animated');
+
+ this.on({
+ 'zoomanim': this._animatePathZoom,
+ 'zoomend': this._endPathZoom
+ });
+ } else {
+ L.DomUtil.addClass(this._pathRoot, 'leaflet-zoom-hide');
+ }
+
+ this.on('moveend', this._updateSvgViewport);
+ this._updateSvgViewport();
+ }
+ },
+
+ _animatePathZoom: function (e) {
+ var scale = this.getZoomScale(e.zoom),
+ offset = this._getCenterOffset(e.center)._multiplyBy(-scale)._add(this._pathViewport.min);
+
+ this._pathRoot.style[L.DomUtil.TRANSFORM] =
+ L.DomUtil.getTranslateString(offset) + ' scale(' + scale + ') ';
+
+ this._pathZooming = true;
+ },
+
+ _endPathZoom: function () {
+ this._pathZooming = false;
+ },
+
+ _updateSvgViewport: function () {
+
+ if (this._pathZooming) {
+ // Do not update SVGs while a zoom animation is going on otherwise the animation will break.
+ // When the zoom animation ends we will be updated again anyway
+ // This fixes the case where you do a momentum move and zoom while the move is still ongoing.
+ return;
+ }
+
+ this._updatePathViewport();
+
+ var vp = this._pathViewport,
+ min = vp.min,
+ max = vp.max,
+ width = max.x - min.x,
+ height = max.y - min.y,
+ root = this._pathRoot,
+ pane = this._panes.overlayPane;
+
+ // Hack to make flicker on drag end on mobile webkit less irritating
+ if (L.Browser.mobileWebkit) {
+ pane.removeChild(root);
+ }
+
+ L.DomUtil.setPosition(root, min);
+ root.setAttribute('width', width);
+ root.setAttribute('height', height);
+ root.setAttribute('viewBox', [min.x, min.y, width, height].join(' '));
+
+ if (L.Browser.mobileWebkit) {
+ pane.appendChild(root);
+ }
+ }
+});
+
+
+/*
+ * Popup extension to L.Path (polylines, polygons, circles), adding popup-related methods.
+ */
+
+L.Path.include({
+
+ bindPopup: function (content, options) {
+
+ if (content instanceof L.Popup) {
+ this._popup = content;
+ } else {
+ if (!this._popup || options) {
+ this._popup = new L.Popup(options, this);
+ }
+ this._popup.setContent(content);
+ }
+
+ if (!this._popupHandlersAdded) {
+ this
+ .on('click', this._openPopup, this)
+ .on('remove', this.closePopup, this);
+
+ this._popupHandlersAdded = true;
+ }
+
+ return this;
+ },
+
+ unbindPopup: function () {
+ if (this._popup) {
+ this._popup = null;
+ this
+ .off('click', this._openPopup)
+ .off('remove', this.closePopup);
+
+ this._popupHandlersAdded = false;
+ }
+ return this;
+ },
+
+ openPopup: function (latlng) {
+
+ if (this._popup) {
+ // open the popup from one of the path's points if not specified
+ latlng = latlng || this._latlng ||
+ this._latlngs[Math.floor(this._latlngs.length / 2)];
+
+ this._openPopup({latlng: latlng});
+ }
+
+ return this;
+ },
+
+ closePopup: function () {
+ if (this._popup) {
+ this._popup._close();
+ }
+ return this;
+ },
+
+ _openPopup: function (e) {
+ this._popup.setLatLng(e.latlng);
+ this._map.openPopup(this._popup);
+ }
+});
+
+
+/*
+ * Vector rendering for IE6-8 through VML.
+ * Thanks to Dmitry Baranovsky and his Raphael library for inspiration!
+ */
+
+L.Browser.vml = !L.Browser.svg && (function () {
+ try {
+ var div = document.createElement('div');
+ div.innerHTML = '<v:shape adj="1"/>';
+
+ var shape = div.firstChild;
+ shape.style.behavior = 'url(#default#VML)';
+
+ return shape && (typeof shape.adj === 'object');
+
+ } catch (e) {
+ return false;
+ }
+}());
+
+L.Path = L.Browser.svg || !L.Browser.vml ? L.Path : L.Path.extend({
+ statics: {
+ VML: true,
+ CLIP_PADDING: 0.02
+ },
+
+ _createElement: (function () {
+ try {
+ document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');
+ return function (name) {
+ return document.createElement('<lvml:' + name + ' class="lvml">');
+ };
+ } catch (e) {
+ return function (name) {
+ return document.createElement(
+ '<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');
+ };
+ }
+ }()),
+
+ _initPath: function () {
+ var container = this._container = this._createElement('shape');
+
+ L.DomUtil.addClass(container, 'leaflet-vml-shape' +
+ (this.options.className ? ' ' + this.options.className : ''));
+
+ if (this.options.clickable) {
+ L.DomUtil.addClass(container, 'leaflet-clickable');
+ }
+
+ container.coordsize = '1 1';
+
+ this._path = this._createElement('path');
+ container.appendChild(this._path);
+
+ this._map._pathRoot.appendChild(container);
+ },
+
+ _initStyle: function () {
+ this._updateStyle();
+ },
+
+ _updateStyle: function () {
+ var stroke = this._stroke,
+ fill = this._fill,
+ options = this.options,
+ container = this._container;
+
+ container.stroked = options.stroke;
+ container.filled = options.fill;
+
+ if (options.stroke) {
+ if (!stroke) {
+ stroke = this._stroke = this._createElement('stroke');
+ stroke.endcap = 'round';
+ container.appendChild(stroke);
+ }
+ stroke.weight = options.weight + 'px';
+ stroke.color = options.color;
+ stroke.opacity = options.opacity;
+
+ if (options.dashArray) {
+ stroke.dashStyle = L.Util.isArray(options.dashArray) ?
+ options.dashArray.join(' ') :
+ options.dashArray.replace(/( *, *)/g, ' ');
+ } else {
+ stroke.dashStyle = '';
+ }
+ if (options.lineCap) {
+ stroke.endcap = options.lineCap.replace('butt', 'flat');
+ }
+ if (options.lineJoin) {
+ stroke.joinstyle = options.lineJoin;
+ }
+
+ } else if (stroke) {
+ container.removeChild(stroke);
+ this._stroke = null;
+ }
+
+ if (options.fill) {
+ if (!fill) {
+ fill = this._fill = this._createElement('fill');
+ container.appendChild(fill);
+ }
+ fill.color = options.fillColor || options.color;
+ fill.opacity = options.fillOpacity;
+
+ } else if (fill) {
+ container.removeChild(fill);
+ this._fill = null;
+ }
+ },
+
+ _updatePath: function () {
+ var style = this._container.style;
+
+ style.display = 'none';
+ this._path.v = this.getPathString() + ' '; // the space fixes IE empty path string bug
+ style.display = '';
+ }
+});
+
+L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : {
+ _initPathRoot: function () {
+ if (this._pathRoot) { return; }
+
+ var root = this._pathRoot = document.createElement('div');
+ root.className = 'leaflet-vml-container';
+ this._panes.overlayPane.appendChild(root);
+
+ this.on('moveend', this._updatePathViewport);
+ this._updatePathViewport();
+ }
+});
+
+
+/*
+ * Vector rendering for all browsers that support canvas.
+ */
+
+L.Browser.canvas = (function () {
+ return !!document.createElement('canvas').getContext;
+}());
+
+L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path : L.Path.extend({
+ statics: {
+ //CLIP_PADDING: 0.02, // not sure if there's a need to set it to a small value
+ CANVAS: true,
+ SVG: false
+ },
+
+ redraw: function () {
+ if (this._map) {
+ this.projectLatlngs();
+ this._requestUpdate();
+ }
+ return this;
+ },
+
+ setStyle: function (style) {
+ L.setOptions(this, style);
+
+ if (this._map) {
+ this._updateStyle();
+ this._requestUpdate();
+ }
+ return this;
+ },
+
+ onRemove: function (map) {
+ map
+ .off('viewreset', this.projectLatlngs, this)
+ .off('moveend', this._updatePath, this);
+
+ if (this.options.clickable) {
+ this._map.off('click', this._onClick, this);
+ this._map.off('mousemove', this._onMouseMove, this);
+ }
+
+ this._requestUpdate();
+
+ this.fire('remove');
+ this._map = null;
+ },
+
+ _requestUpdate: function () {
+ if (this._map && !L.Path._updateRequest) {
+ L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map);
+ }
+ },
+
+ _fireMapMoveEnd: function () {
+ L.Path._updateRequest = null;
+ this.fire('moveend');
+ },
+
+ _initElements: function () {
+ this._map._initPathRoot();
+ this._ctx = this._map._canvasCtx;
+ },
+
+ _updateStyle: function () {
+ var options = this.options;
+
+ if (options.stroke) {
+ this._ctx.lineWidth = options.weight;
+ this._ctx.strokeStyle = options.color;
+ }
+ if (options.fill) {
+ this._ctx.fillStyle = options.fillColor || options.color;
+ }
+
+ if (options.lineCap) {
+ this._ctx.lineCap = options.lineCap;
+ }
+ if (options.lineJoin) {
+ this._ctx.lineJoin = options.lineJoin;
+ }
+ },
+
+ _drawPath: function () {
+ var i, j, len, len2, point, drawMethod;
+
+ this._ctx.beginPath();
+
+ for (i = 0, len = this._parts.length; i < len; i++) {
+ for (j = 0, len2 = this._parts[i].length; j < len2; j++) {
+ point = this._parts[i][j];
+ drawMethod = (j === 0 ? 'move' : 'line') + 'To';
+
+ this._ctx[drawMethod](point.x, point.y);
+ }
+ // TODO refactor ugly hack
+ if (this instanceof L.Polygon) {
+ this._ctx.closePath();
+ }
+ }
+ },
+
+ _checkIfEmpty: function () {
+ return !this._parts.length;
+ },
+
+ _updatePath: function () {
+ if (this._checkIfEmpty()) { return; }
+
+ var ctx = this._ctx,
+ options = this.options;
+
+ this._drawPath();
+ ctx.save();
+ this._updateStyle();
+
+ if (options.fill) {
+ ctx.globalAlpha = options.fillOpacity;
+ ctx.fill(options.fillRule || 'evenodd');
+ }
+
+ if (options.stroke) {
+ ctx.globalAlpha = options.opacity;
+ ctx.stroke();
+ }
+
+ ctx.restore();
+
+ // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature
+ },
+
+ _initEvents: function () {
+ if (this.options.clickable) {
+ this._map.on('mousemove', this._onMouseMove, this);
+ this._map.on('click dblclick contextmenu', this._fireMouseEvent, this);
+ }
+ },
+
+ _fireMouseEvent: function (e) {
+ if (this._containsPoint(e.layerPoint)) {
+ this.fire(e.type, e);
+ }
+ },
+
+ _onMouseMove: function (e) {
+ if (!this._map || this._map._animatingZoom) { return; }
+
+ // TODO don't do on each move
+ if (this._containsPoint(e.layerPoint)) {
+ this._ctx.canvas.style.cursor = 'pointer';
+ this._mouseInside = true;
+ this.fire('mouseover', e);
+
+ } else if (this._mouseInside) {
+ this._ctx.canvas.style.cursor = '';
+ this._mouseInside = false;
+ this.fire('mouseout', e);
+ }
+ }
+});
+
+L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {} : {
+ _initPathRoot: function () {
+ var root = this._pathRoot,
+ ctx;
+
+ if (!root) {
+ root = this._pathRoot = document.createElement('canvas');
+ root.style.position = 'absolute';
+ ctx = this._canvasCtx = root.getContext('2d');
+
+ ctx.lineCap = 'round';
+ ctx.lineJoin = 'round';
+
+ this._panes.overlayPane.appendChild(root);
+
+ if (this.options.zoomAnimation) {
+ this._pathRoot.className = 'leaflet-zoom-animated';
+ this.on('zoomanim', this._animatePathZoom);
+ this.on('zoomend', this._endPathZoom);
+ }
+ this.on('moveend', this._updateCanvasViewport);
+ this._updateCanvasViewport();
+ }
+ },
+
+ _updateCanvasViewport: function () {
+ // don't redraw while zooming. See _updateSvgViewport for more details
+ if (this._pathZooming) { return; }
+ this._updatePathViewport();
+
+ var vp = this._pathViewport,
+ min = vp.min,
+ size = vp.max.subtract(min),
+ root = this._pathRoot;
+
+ //TODO check if this works properly on mobile webkit
+ L.DomUtil.setPosition(root, min);
+ root.width = size.x;
+ root.height = size.y;
+ root.getContext('2d').translate(-min.x, -min.y);
+ }
+});
+
+
+/*
+ * L.LineUtil contains different utility functions for line segments
+ * and polylines (clipping, simplification, distances, etc.)
+ */
+
+/*jshint bitwise:false */ // allow bitwise operations for this file
+
+L.LineUtil = {
+
+ // Simplify polyline with vertex reduction and Douglas-Peucker simplification.
+ // Improves rendering performance dramatically by lessening the number of points to draw.
+
+ simplify: function (/*Point[]*/ points, /*Number*/ tolerance) {
+ if (!tolerance || !points.length) {
+ return points.slice();
+ }
+
+ var sqTolerance = tolerance * tolerance;
+
+ // stage 1: vertex reduction
+ points = this._reducePoints(points, sqTolerance);
+
+ // stage 2: Douglas-Peucker simplification
+ points = this._simplifyDP(points, sqTolerance);
+
+ return points;
+ },
+
+ // distance from a point to a segment between two points
+ pointToSegmentDistance: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
+ return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true));
+ },
+
+ closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
+ return this._sqClosestPointOnSegment(p, p1, p2);
+ },
+
+ // Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm
+ _simplifyDP: function (points, sqTolerance) {
+
+ var len = points.length,
+ ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,
+ markers = new ArrayConstructor(len);
+
+ markers[0] = markers[len - 1] = 1;
+
+ this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1);
+
+ var i,
+ newPoints = [];
+
+ for (i = 0; i < len; i++) {
+ if (markers[i]) {
+ newPoints.push(points[i]);
+ }
+ }
+
+ return newPoints;
+ },
+
+ _simplifyDPStep: function (points, markers, sqTolerance, first, last) {
+
+ var maxSqDist = 0,
+ index, i, sqDist;
+
+ for (i = first + 1; i <= last - 1; i++) {
+ sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);
+
+ if (sqDist > maxSqDist) {
+ index = i;
+ maxSqDist = sqDist;
+ }
+ }
+
+ if (maxSqDist > sqTolerance) {
+ markers[index] = 1;
+
+ this._simplifyDPStep(points, markers, sqTolerance, first, index);
+ this._simplifyDPStep(points, markers, sqTolerance, index, last);
+ }
+ },
+
+ // reduce points that are too close to each other to a single point
+ _reducePoints: function (points, sqTolerance) {
+ var reducedPoints = [points[0]];
+
+ for (var i = 1, prev = 0, len = points.length; i < len; i++) {
+ if (this._sqDist(points[i], points[prev]) > sqTolerance) {
+ reducedPoints.push(points[i]);
+ prev = i;
+ }
+ }
+ if (prev < len - 1) {
+ reducedPoints.push(points[len - 1]);
+ }
+ return reducedPoints;
+ },
+
+ // Cohen-Sutherland line clipping algorithm.
+ // Used to avoid rendering parts of a polyline that are not currently visible.
+
+ clipSegment: function (a, b, bounds, useLastCode) {
+ var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
+ codeB = this._getBitCode(b, bounds),
+
+ codeOut, p, newCode;
+
+ // save 2nd code to avoid calculating it on the next segment
+ this._lastCode = codeB;
+
+ while (true) {
+ // if a,b is inside the clip window (trivial accept)
+ if (!(codeA | codeB)) {
+ return [a, b];
+ // if a,b is outside the clip window (trivial reject)
+ } else if (codeA & codeB) {
+ return false;
+ // other cases
+ } else {
+ codeOut = codeA || codeB;
+ p = this._getEdgeIntersection(a, b, codeOut, bounds);
+ newCode = this._getBitCode(p, bounds);
+
+ if (codeOut === codeA) {
+ a = p;
+ codeA = newCode;
+ } else {
+ b = p;
+ codeB = newCode;
+ }
+ }
+ }
+ },
+
+ _getEdgeIntersection: function (a, b, code, bounds) {
+ var dx = b.x - a.x,
+ dy = b.y - a.y,
+ min = bounds.min,
+ max = bounds.max;
+
+ if (code & 8) { // top
+ return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y);
+ } else if (code & 4) { // bottom
+ return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y);
+ } else if (code & 2) { // right
+ return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx);
+ } else if (code & 1) { // left
+ return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx);
+ }
+ },
+
+ _getBitCode: function (/*Point*/ p, bounds) {
+ var code = 0;
+
+ if (p.x < bounds.min.x) { // left
+ code |= 1;
+ } else if (p.x > bounds.max.x) { // right
+ code |= 2;
+ }
+ if (p.y < bounds.min.y) { // bottom
+ code |= 4;
+ } else if (p.y > bounds.max.y) { // top
+ code |= 8;
+ }
+
+ return code;
+ },
+
+ // square distance (to avoid unnecessary Math.sqrt calls)
+ _sqDist: function (p1, p2) {
+ var dx = p2.x - p1.x,
+ dy = p2.y - p1.y;
+ return dx * dx + dy * dy;
+ },
+
+ // return closest point on segment or distance to that point
+ _sqClosestPointOnSegment: function (p, p1, p2, sqDist) {
+ var x = p1.x,
+ y = p1.y,
+ dx = p2.x - x,
+ dy = p2.y - y,
+ dot = dx * dx + dy * dy,
+ t;
+
+ if (dot > 0) {
+ t = ((p.x - x) * dx + (p.y - y) * dy) / dot;
+
+ if (t > 1) {
+ x = p2.x;
+ y = p2.y;
+ } else if (t > 0) {
+ x += dx * t;
+ y += dy * t;
+ }
+ }
+
+ dx = p.x - x;
+ dy = p.y - y;
+
+ return sqDist ? dx * dx + dy * dy : new L.Point(x, y);
+ }
+};
+
+
+/*
+ * L.Polyline is used to display polylines on a map.
+ */
+
+L.Polyline = L.Path.extend({
+ initialize: function (latlngs, options) {
+ L.Path.prototype.initialize.call(this, options);
+
+ this._latlngs = this._convertLatLngs(latlngs);
+ },
+
+ options: {
+ // how much to simplify the polyline on each zoom level
+ // more = better performance and smoother look, less = more accurate
+ smoothFactor: 1.0,
+ noClip: false
+ },
+
+ projectLatlngs: function () {
+ this._originalPoints = [];
+
+ for (var i = 0, len = this._latlngs.length; i < len; i++) {
+ this._originalPoints[i] = this._map.latLngToLayerPoint(this._latlngs[i]);
+ }
+ },
+
+ getPathString: function () {
+ for (var i = 0, len = this._parts.length, str = ''; i < len; i++) {
+ str += this._getPathPartStr(this._parts[i]);
+ }
+ return str;
+ },
+
+ getLatLngs: function () {
+ return this._latlngs;
+ },
+
+ setLatLngs: function (latlngs) {
+ this._latlngs = this._convertLatLngs(latlngs);
+ return this.redraw();
+ },
+
+ addLatLng: function (latlng) {
+ this._latlngs.push(L.latLng(latlng));
+ return this.redraw();
+ },
+
+ spliceLatLngs: function () { // (Number index, Number howMany)
+ var removed = [].splice.apply(this._latlngs, arguments);
+ this._convertLatLngs(this._latlngs, true);
+ this.redraw();
+ return removed;
+ },
+
+ closestLayerPoint: function (p) {
+ var minDistance = Infinity, parts = this._parts, p1, p2, minPoint = null;
+
+ for (var j = 0, jLen = parts.length; j < jLen; j++) {
+ var points = parts[j];
+ for (var i = 1, len = points.length; i < len; i++) {
+ p1 = points[i - 1];
+ p2 = points[i];
+ var sqDist = L.LineUtil._sqClosestPointOnSegment(p, p1, p2, true);
+ if (sqDist < minDistance) {
+ minDistance = sqDist;
+ minPoint = L.LineUtil._sqClosestPointOnSegment(p, p1, p2);
+ }
+ }
+ }
+ if (minPoint) {
+ minPoint.distance = Math.sqrt(minDistance);
+ }
+ return minPoint;
+ },
+
+ getBounds: function () {
+ return new L.LatLngBounds(this.getLatLngs());
+ },
+
+ _convertLatLngs: function (latlngs, overwrite) {
+ var i, len, target = overwrite ? latlngs : [];
+
+ for (i = 0, len = latlngs.length; i < len; i++) {
+ if (L.Util.isArray(latlngs[i]) && typeof latlngs[i][0] !== 'number') {
+ return;
+ }
+ target[i] = L.latLng(latlngs[i]);
+ }
+ return target;
+ },
+
+ _initEvents: function () {
+ L.Path.prototype._initEvents.call(this);
+ },
+
+ _getPathPartStr: function (points) {
+ var round = L.Path.VML;
+
+ for (var j = 0, len2 = points.length, str = '', p; j < len2; j++) {
+ p = points[j];
+ if (round) {
+ p._round();
+ }
+ str += (j ? 'L' : 'M') + p.x + ' ' + p.y;
+ }
+ return str;
+ },
+
+ _clipPoints: function () {
+ var points = this._originalPoints,
+ len = points.length,
+ i, k, segment;
+
+ if (this.options.noClip) {
+ this._parts = [points];
+ return;
+ }
+
+ this._parts = [];
+
+ var parts = this._parts,
+ vp = this._map._pathViewport,
+ lu = L.LineUtil;
+
+ for (i = 0, k = 0; i < len - 1; i++) {
+ segment = lu.clipSegment(points[i], points[i + 1], vp, i);
+ 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[i + 1]) || (i === len - 2)) {
+ parts[k].push(segment[1]);
+ k++;
+ }
+ }
+ },
+
+ // simplify each clipped part of the polyline
+ _simplifyPoints: function () {
+ var parts = this._parts,
+ lu = L.LineUtil;
+
+ for (var i = 0, len = parts.length; i < len; i++) {
+ parts[i] = lu.simplify(parts[i], this.options.smoothFactor);
+ }
+ },
+
+ _updatePath: function () {
+ if (!this._map) { return; }
+
+ this._clipPoints();
+ this._simplifyPoints();
+
+ L.Path.prototype._updatePath.call(this);
+ }
+});
+
+L.polyline = function (latlngs, options) {
+ return new L.Polyline(latlngs, options);
+};
+
+
+/*
+ * L.PolyUtil contains utility functions for polygons (clipping, etc.).
+ */
+
+/*jshint bitwise:false */ // allow bitwise operations here
+
+L.PolyUtil = {};
+
+/*
+ * Sutherland-Hodgeman polygon clipping algorithm.
+ * Used to avoid rendering parts of a polygon that are not currently visible.
+ */
+L.PolyUtil.clipPolygon = function (points, bounds) {
+ var clippedPoints,
+ edges = [1, 4, 2, 8],
+ i, j, k,
+ a, b,
+ len, edge, p,
+ lu = L.LineUtil;
+
+ for (i = 0, len = points.length; i < len; i++) {
+ points[i]._code = lu._getBitCode(points[i], bounds);
+ }
+
+ // for each edge (left, bottom, right, top)
+ for (k = 0; k < 4; k++) {
+ edge = edges[k];
+ clippedPoints = [];
+
+ for (i = 0, len = points.length, j = len - 1; i < len; j = i++) {
+ a = points[i];
+ b = points[j];
+
+ // if a is inside the clip window
+ if (!(a._code & edge)) {
+ // if b is outside the clip window (a->b goes out of screen)
+ if (b._code & edge) {
+ p = lu._getEdgeIntersection(b, a, edge, bounds);
+ p._code = lu._getBitCode(p, bounds);
+ clippedPoints.push(p);
+ }
+ clippedPoints.push(a);
+
+ // else if b is inside the clip window (a->b enters the screen)
+ } else if (!(b._code & edge)) {
+ p = lu._getEdgeIntersection(b, a, edge, bounds);
+ p._code = lu._getBitCode(p, bounds);
+ clippedPoints.push(p);
+ }
+ }
+ points = clippedPoints;
+ }
+
+ return points;
+};
+
+
+/*
+ * L.Polygon is used to display polygons on a map.
+ */
+
+L.Polygon = L.Polyline.extend({
+ options: {
+ fill: true
+ },
+
+ initialize: function (latlngs, options) {
+ L.Polyline.prototype.initialize.call(this, latlngs, options);
+ this._initWithHoles(latlngs);
+ },
+
+ _initWithHoles: function (latlngs) {
+ var i, len, hole;
+ if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) {
+ this._latlngs = this._convertLatLngs(latlngs[0]);
+ this._holes = latlngs.slice(1);
+
+ for (i = 0, len = this._holes.length; i < len; i++) {
+ hole = this._holes[i] = this._convertLatLngs(this._holes[i]);
+ if (hole[0].equals(hole[hole.length - 1])) {
+ hole.pop();
+ }
+ }
+ }
+
+ // filter out last point if its equal to the first one
+ latlngs = this._latlngs;
+
+ if (latlngs.length >= 2 && latlngs[0].equals(latlngs[latlngs.length - 1])) {
+ latlngs.pop();
+ }
+ },
+
+ projectLatlngs: function () {
+ L.Polyline.prototype.projectLatlngs.call(this);
+
+ // project polygon holes points
+ // TODO move this logic to Polyline to get rid of duplication
+ this._holePoints = [];
+
+ if (!this._holes) { return; }
+
+ var i, j, len, len2;
+
+ for (i = 0, len = this._holes.length; i < len; i++) {
+ this._holePoints[i] = [];
+
+ for (j = 0, len2 = this._holes[i].length; j < len2; j++) {
+ this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]);
+ }
+ }
+ },
+
+ setLatLngs: function (latlngs) {
+ if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) {
+ this._initWithHoles(latlngs);
+ return this.redraw();
+ } else {
+ return L.Polyline.prototype.setLatLngs.call(this, latlngs);
+ }
+ },
+
+ _clipPoints: function () {
+ var points = this._originalPoints,
+ newParts = [];
+
+ this._parts = [points].concat(this._holePoints);
+
+ if (this.options.noClip) { return; }
+
+ for (var i = 0, len = this._parts.length; i < len; i++) {
+ var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport);
+ if (clipped.length) {
+ newParts.push(clipped);
+ }
+ }
+
+ this._parts = newParts;
+ },
+
+ _getPathPartStr: function (points) {
+ var str = L.Polyline.prototype._getPathPartStr.call(this, points);
+ return str + (L.Browser.svg ? 'z' : 'x');
+ }
+});
+
+L.polygon = function (latlngs, options) {
+ return new L.Polygon(latlngs, options);
+};
+
+
+/*
+ * Contains L.MultiPolyline and L.MultiPolygon layers.
+ */
+
+(function () {
+ function createMulti(Klass) {
+
+ return L.FeatureGroup.extend({
+
+ initialize: function (latlngs, options) {
+ this._layers = {};
+ this._options = options;
+ this.setLatLngs(latlngs);
+ },
+
+ setLatLngs: function (latlngs) {
+ var i = 0,
+ len = latlngs.length;
+
+ this.eachLayer(function (layer) {
+ if (i < len) {
+ layer.setLatLngs(latlngs[i++]);
+ } else {
+ this.removeLayer(layer);
+ }
+ }, this);
+
+ while (i < len) {
+ this.addLayer(new Klass(latlngs[i++], this._options));
+ }
+
+ return this;
+ },
+
+ getLatLngs: function () {
+ var latlngs = [];
+
+ this.eachLayer(function (layer) {
+ latlngs.push(layer.getLatLngs());
+ });
+
+ return latlngs;
+ }
+ });
+ }
+
+ L.MultiPolyline = createMulti(L.Polyline);
+ L.MultiPolygon = createMulti(L.Polygon);
+
+ L.multiPolyline = function (latlngs, options) {
+ return new L.MultiPolyline(latlngs, options);
+ };
+
+ L.multiPolygon = function (latlngs, options) {
+ return new L.MultiPolygon(latlngs, options);
+ };
+}());
+
+
+/*
+ * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object.
+ */
+
+L.Rectangle = L.Polygon.extend({
+ initialize: function (latLngBounds, options) {
+ L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);
+ },
+
+ setBounds: function (latLngBounds) {
+ this.setLatLngs(this._boundsToLatLngs(latLngBounds));
+ },
+
+ _boundsToLatLngs: function (latLngBounds) {
+ latLngBounds = L.latLngBounds(latLngBounds);
+ return [
+ latLngBounds.getSouthWest(),
+ latLngBounds.getNorthWest(),
+ latLngBounds.getNorthEast(),
+ latLngBounds.getSouthEast()
+ ];
+ }
+});
+
+L.rectangle = function (latLngBounds, options) {
+ return new L.Rectangle(latLngBounds, options);
+};
+
+
+/*
+ * L.Circle is a circle overlay (with a certain radius in meters).
+ */
+
+L.Circle = L.Path.extend({
+ initialize: function (latlng, radius, options) {
+ L.Path.prototype.initialize.call(this, options);
+
+ this._latlng = L.latLng(latlng);
+ this._mRadius = radius;
+ },
+
+ options: {
+ fill: true
+ },
+
+ setLatLng: function (latlng) {
+ this._latlng = L.latLng(latlng);
+ return this.redraw();
+ },
+
+ setRadius: function (radius) {
+ this._mRadius = radius;
+ return this.redraw();
+ },
+
+ projectLatlngs: function () {
+ var lngRadius = this._getLngRadius(),
+ latlng = this._latlng,
+ pointLeft = this._map.latLngToLayerPoint([latlng.lat, latlng.lng - lngRadius]);
+
+ this._point = this._map.latLngToLayerPoint(latlng);
+ this._radius = Math.max(this._point.x - pointLeft.x, 1);
+ },
+
+ getBounds: function () {
+ var lngRadius = this._getLngRadius(),
+ latRadius = (this._mRadius / 40075017) * 360,
+ latlng = this._latlng;
+
+ return new L.LatLngBounds(
+ [latlng.lat - latRadius, latlng.lng - lngRadius],
+ [latlng.lat + latRadius, latlng.lng + lngRadius]);
+ },
+
+ getLatLng: function () {
+ return this._latlng;
+ },
+
+ getPathString: function () {
+ var p = this._point,
+ r = this._radius;
+
+ if (this._checkIfEmpty()) {
+ return '';
+ }
+
+ if (L.Browser.svg) {
+ return 'M' + p.x + ',' + (p.y - r) +
+ 'A' + r + ',' + r + ',0,1,1,' +
+ (p.x - 0.1) + ',' + (p.y - r) + ' z';
+ } else {
+ p._round();
+ r = Math.round(r);
+ return 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r + ' 0,' + (65535 * 360);
+ }
+ },
+
+ getRadius: function () {
+ return this._mRadius;
+ },
+
+ // TODO Earth hardcoded, move into projection code!
+
+ _getLatRadius: function () {
+ return (this._mRadius / 40075017) * 360;
+ },
+
+ _getLngRadius: function () {
+ return this._getLatRadius() / Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat);
+ },
+
+ _checkIfEmpty: function () {
+ if (!this._map) {
+ return false;
+ }
+ var vp = this._map._pathViewport,
+ r = this._radius,
+ p = this._point;
+
+ return p.x - r > vp.max.x || p.y - r > vp.max.y ||
+ p.x + r < vp.min.x || p.y + r < vp.min.y;
+ }
+});
+
+L.circle = function (latlng, radius, options) {
+ return new L.Circle(latlng, radius, options);
+};
+
+
+/*
+ * L.CircleMarker is a circle overlay with a permanent pixel radius.
+ */
+
+L.CircleMarker = L.Circle.extend({
+ options: {
+ radius: 10,
+ weight: 2
+ },
+
+ initialize: function (latlng, options) {
+ L.Circle.prototype.initialize.call(this, latlng, null, options);
+ this._radius = this.options.radius;
+ },
+
+ projectLatlngs: function () {
+ this._point = this._map.latLngToLayerPoint(this._latlng);
+ },
+
+ _updateStyle : function () {
+ L.Circle.prototype._updateStyle.call(this);
+ this.setRadius(this.options.radius);
+ },
+
+ setLatLng: function (latlng) {
+ L.Circle.prototype.setLatLng.call(this, latlng);
+ if (this._popup && this._popup._isOpen) {
+ this._popup.setLatLng(latlng);
+ }
+ return this;
+ },
+
+ setRadius: function (radius) {
+ this.options.radius = this._radius = radius;
+ return this.redraw();
+ },
+
+ getRadius: function () {
+ return this._radius;
+ }
+});
+
+L.circleMarker = function (latlng, options) {
+ return new L.CircleMarker(latlng, options);
+};
+
+
+/*
+ * Extends L.Polyline to be able to manually detect clicks on Canvas-rendered polylines.
+ */
+
+L.Polyline.include(!L.Path.CANVAS ? {} : {
+ _containsPoint: function (p, closed) {
+ var i, j, k, len, len2, dist, part,
+ w = this.options.weight / 2;
+
+ if (L.Browser.touch) {
+ w += 10; // polyline click tolerance on touch devices
+ }
+
+ 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;
+ }
+
+ dist = L.LineUtil.pointToSegmentDistance(p, part[k], part[j]);
+
+ if (dist <= w) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+});
+
+
+/*
+ * Extends L.Polygon to be able to manually detect clicks on Canvas-rendered polygons.
+ */
+
+L.Polygon.include(!L.Path.CANVAS ? {} : {
+ _containsPoint: function (p) {
+ var inside = false,
+ part, p1, p2,
+ i, j, k,
+ len, len2;
+
+ // TODO optimization: check if within bounds first
+
+ if (L.Polyline.prototype._containsPoint.call(this, p, true)) {
+ // click on polygon border
+ return true;
+ }
+
+ // 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;
+ }
+ }
+ }
+
+ return inside;
+ }
+});
+
+
+/*
+ * Extends L.Circle with Canvas-specific code.
+ */
+
+L.Circle.include(!L.Path.CANVAS ? {} : {
+ _drawPath: function () {
+ var p = this._point;
+ this._ctx.beginPath();
+ this._ctx.arc(p.x, p.y, this._radius, 0, Math.PI * 2, false);
+ },
+
+ _containsPoint: function (p) {
+ var center = this._point,
+ w2 = this.options.stroke ? this.options.weight / 2 : 0;
+
+ return (p.distanceTo(center) <= this._radius + w2);
+ }
+});
+
+
+/*
+ * CircleMarker canvas specific drawing parts.
+ */
+
+L.CircleMarker.include(!L.Path.CANVAS ? {} : {
+ _updateStyle: function () {
+ L.Path.prototype._updateStyle.call(this);
+ }
+});
+
+
+/*
+ * L.GeoJSON turns any GeoJSON data into a Leaflet layer.
+ */
+
+L.GeoJSON = L.FeatureGroup.extend({
+
+ initialize: function (geojson, options) {
+ L.setOptions(this, options);
+
+ this._layers = {};
+
+ if (geojson) {
+ this.addData(geojson);
+ }
+ },
+
+ addData: function (geojson) {
+ var features = L.Util.isArray(geojson) ? geojson : geojson.features,
+ i, len, feature;
+
+ if (features) {
+ for (i = 0, len = features.length; i < len; i++) {
+ // Only add this if geometry or geometries are set and not null
+ feature = features[i];
+ if (feature.geometries || feature.geometry || feature.features || feature.coordinates) {
+ this.addData(features[i]);
+ }
+ }
+ return this;
+ }
+
+ var options = this.options;
+
+ if (options.filter && !options.filter(geojson)) { return; }
+
+ var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer, options.coordsToLatLng, options);
+ layer.feature = L.GeoJSON.asFeature(geojson);
+
+ layer.defaultOptions = layer.options;
+ this.resetStyle(layer);
+
+ if (options.onEachFeature) {
+ options.onEachFeature(geojson, layer);
+ }
+
+ return this.addLayer(layer);
+ },
+
+ resetStyle: function (layer) {
+ var style = this.options.style;
+ if (style) {
+ // reset any custom styles
+ L.Util.extend(layer.options, layer.defaultOptions);
+
+ this._setLayerStyle(layer, style);
+ }
+ },
+
+ setStyle: function (style) {
+ this.eachLayer(function (layer) {
+ this._setLayerStyle(layer, style);
+ }, this);
+ },
+
+ _setLayerStyle: function (layer, style) {
+ if (typeof style === 'function') {
+ style = style(layer.feature);
+ }
+ if (layer.setStyle) {
+ layer.setStyle(style);
+ }
+ }
+});
+
+L.extend(L.GeoJSON, {
+ geometryToLayer: function (geojson, pointToLayer, coordsToLatLng, vectorOptions) {
+ var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
+ coords = geometry.coordinates,
+ layers = [],
+ latlng, latlngs, i, len;
+
+ coordsToLatLng = coordsToLatLng || this.coordsToLatLng;
+
+ switch (geometry.type) {
+ case 'Point':
+ latlng = coordsToLatLng(coords);
+ return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
+
+ case 'MultiPoint':
+ for (i = 0, len = coords.length; i < len; i++) {
+ latlng = coordsToLatLng(coords[i]);
+ layers.push(pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng));
+ }
+ return new L.FeatureGroup(layers);
+
+ case 'LineString':
+ latlngs = this.coordsToLatLngs(coords, 0, coordsToLatLng);
+ return new L.Polyline(latlngs, vectorOptions);
+
+ case 'Polygon':
+ if (coords.length === 2 && !coords[1].length) {
+ throw new Error('Invalid GeoJSON object.');
+ }
+ latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
+ return new L.Polygon(latlngs, vectorOptions);
+
+ case 'MultiLineString':
+ latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
+ return new L.MultiPolyline(latlngs, vectorOptions);
+
+ case 'MultiPolygon':
+ latlngs = this.coordsToLatLngs(coords, 2, coordsToLatLng);
+ return new L.MultiPolygon(latlngs, vectorOptions);
+
+ case 'GeometryCollection':
+ for (i = 0, len = geometry.geometries.length; i < len; i++) {
+
+ layers.push(this.geometryToLayer({
+ geometry: geometry.geometries[i],
+ type: 'Feature',
+ properties: geojson.properties
+ }, pointToLayer, coordsToLatLng, vectorOptions));
+ }
+ return new L.FeatureGroup(layers);
+
+ default:
+ throw new Error('Invalid GeoJSON object.');
+ }
+ },
+
+ coordsToLatLng: function (coords) { // (Array[, Boolean]) -> LatLng
+ return new L.LatLng(coords[1], coords[0], coords[2]);
+ },
+
+ coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) { // (Array[, Number, Function]) -> Array
+ var latlng, i, len,
+ latlngs = [];
+
+ for (i = 0, len = coords.length; i < len; i++) {
+ latlng = levelsDeep ?
+ this.coordsToLatLngs(coords[i], levelsDeep - 1, coordsToLatLng) :
+ (coordsToLatLng || this.coordsToLatLng)(coords[i]);
+
+ latlngs.push(latlng);
+ }
+
+ return latlngs;
+ },
+
+ latLngToCoords: function (latlng) {
+ var coords = [latlng.lng, latlng.lat];
+
+ if (latlng.alt !== undefined) {
+ coords.push(latlng.alt);
+ }
+ return coords;
+ },
+
+ latLngsToCoords: function (latLngs) {
+ var coords = [];
+
+ for (var i = 0, len = latLngs.length; i < len; i++) {
+ coords.push(L.GeoJSON.latLngToCoords(latLngs[i]));
+ }
+
+ return coords;
+ },
+
+ getFeature: function (layer, newGeometry) {
+ return layer.feature ? L.extend({}, layer.feature, {geometry: newGeometry}) : L.GeoJSON.asFeature(newGeometry);
+ },
+
+ asFeature: function (geoJSON) {
+ if (geoJSON.type === 'Feature') {
+ return geoJSON;
+ }
+
+ return {
+ type: 'Feature',
+ properties: {},
+ geometry: geoJSON
+ };
+ }
+});
+
+var PointToGeoJSON = {
+ toGeoJSON: function () {
+ return L.GeoJSON.getFeature(this, {
+ type: 'Point',
+ coordinates: L.GeoJSON.latLngToCoords(this.getLatLng())
+ });
+ }
+};
+
+L.Marker.include(PointToGeoJSON);
+L.Circle.include(PointToGeoJSON);
+L.CircleMarker.include(PointToGeoJSON);
+
+L.Polyline.include({
+ toGeoJSON: function () {
+ return L.GeoJSON.getFeature(this, {
+ type: 'LineString',
+ coordinates: L.GeoJSON.latLngsToCoords(this.getLatLngs())
+ });
+ }
+});
+
+L.Polygon.include({
+ toGeoJSON: function () {
+ var coords = [L.GeoJSON.latLngsToCoords(this.getLatLngs())],
+ i, len, hole;
+
+ coords[0].push(coords[0][0]);
+
+ if (this._holes) {
+ for (i = 0, len = this._holes.length; i < len; i++) {
+ hole = L.GeoJSON.latLngsToCoords(this._holes[i]);
+ hole.push(hole[0]);
+ coords.push(hole);
+ }
+ }
+
+ return L.GeoJSON.getFeature(this, {
+ type: 'Polygon',
+ coordinates: coords
+ });
+ }
+});
+
+(function () {
+ function multiToGeoJSON(type) {
+ return function () {
+ var coords = [];
+
+ this.eachLayer(function (layer) {
+ coords.push(layer.toGeoJSON().geometry.coordinates);
+ });
+
+ return L.GeoJSON.getFeature(this, {
+ type: type,
+ coordinates: coords
+ });
+ };
+ }
+
+ L.MultiPolyline.include({toGeoJSON: multiToGeoJSON('MultiLineString')});
+ L.MultiPolygon.include({toGeoJSON: multiToGeoJSON('MultiPolygon')});
+
+ L.LayerGroup.include({
+ toGeoJSON: function () {
+
+ var geometry = this.feature && this.feature.geometry,
+ jsons = [],
+ json;
+
+ if (geometry && geometry.type === 'MultiPoint') {
+ return multiToGeoJSON('MultiPoint').call(this);
+ }
+
+ var isGeometryCollection = geometry && geometry.type === 'GeometryCollection';
+
+ this.eachLayer(function (layer) {
+ if (layer.toGeoJSON) {
+ json = layer.toGeoJSON();
+ jsons.push(isGeometryCollection ? json.geometry : L.GeoJSON.asFeature(json));
+ }
+ });
+
+ if (isGeometryCollection) {
+ return L.GeoJSON.getFeature(this, {
+ geometries: jsons,
+ type: 'GeometryCollection'
+ });
+ }
+
+ return {
+ type: 'FeatureCollection',
+ features: jsons
+ };
+ }
+ });
+}());
+
+L.geoJson = function (geojson, options) {
+ return new L.GeoJSON(geojson, options);
};
-/*\r
- * L.Mixin.Events adds custom events functionality to Leaflet classes\r
- */\r
-\r
-var key = '_leaflet_events';\r
-\r
-L.Mixin = {};\r
-\r
-L.Mixin.Events = {\r
- \r
- addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])\r
- var events = this[key] = this[key] || {},\r
- type, i, len;\r
- \r
- // Types can be a map of types/handlers\r
- if (typeof types === 'object') {\r
- for (type in types) {\r
- if (types.hasOwnProperty(type)) {\r
- this.addEventListener(type, types[type], fn);\r
- }\r
- }\r
- \r
- return this;\r
- }\r
- \r
- types = L.Util.splitWords(types);\r
- \r
- for (i = 0, len = types.length; i < len; i++) {\r
- events[types[i]] = events[types[i]] || [];\r
- events[types[i]].push({\r
- action: fn,\r
- context: context || this\r
- });\r
- }\r
- \r
- return this;\r
- },\r
-\r
- hasEventListeners: function (type) { // (String) -> Boolean\r
- return (key in this) && (type in this[key]) && (this[key][type].length > 0);\r
- },\r
-\r
- removeEventListener: function (types, fn, context) { // (String[, Function, Object]) or (Object[, Object])\r
- var events = this[key],\r
- type, i, len, listeners, j;\r
- \r
- if (typeof types === 'object') {\r
- for (type in types) {\r
- if (types.hasOwnProperty(type)) {\r
- this.removeEventListener(type, types[type], fn);\r
- }\r
- }\r
- \r
- return this;\r
- }\r
- \r
- types = L.Util.splitWords(types);\r
-\r
- for (i = 0, len = types.length; i < len; i++) {\r
-\r
- if (this.hasEventListeners(types[i])) {\r
- listeners = events[types[i]];\r
- \r
- for (j = listeners.length - 1; j >= 0; j--) {\r
- if (\r
- (!fn || listeners[j].action === fn) &&\r
- (!context || (listeners[j].context === context))\r
- ) {\r
- listeners.splice(j, 1);\r
- }\r
- }\r
- }\r
- }\r
- \r
- return this;\r
- },\r
-\r
- fireEvent: function (type, data) { // (String[, Object])\r
- if (!this.hasEventListeners(type)) {\r
- return this;\r
- }\r
-\r
- var event = L.Util.extend({\r
- type: type,\r
- target: this\r
- }, data);\r
-\r
- var listeners = this[key][type].slice();\r
-\r
- for (var i = 0, len = listeners.length; i < len; i++) {\r
- listeners[i].action.call(listeners[i].context || this, event);\r
- }\r
-\r
- return this;\r
- }\r
-};\r
-\r
-L.Mixin.Events.on = L.Mixin.Events.addEventListener;\r
-L.Mixin.Events.off = L.Mixin.Events.removeEventListener;\r
-L.Mixin.Events.fire = L.Mixin.Events.fireEvent;\r
-
-
-(function () {\r
- var ua = navigator.userAgent.toLowerCase(),\r
- ie = !!window.ActiveXObject,\r
- ie6 = ie && !window.XMLHttpRequest,\r
- webkit = ua.indexOf("webkit") !== -1,\r
- gecko = ua.indexOf("gecko") !== -1,\r
- //Terrible browser detection to work around a safari / iOS / android browser bug. See TileLayer._addTile and debug/hacks/jitter.html\r
- chrome = ua.indexOf("chrome") !== -1,\r
- opera = window.opera,\r
- android = ua.indexOf("android") !== -1,\r
- android23 = ua.search("android [23]") !== -1,\r
- mobile = typeof orientation !== undefined + '' ? true : false,\r
- doc = document.documentElement,\r
- ie3d = ie && ('transition' in doc.style),\r
- webkit3d = webkit && ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()),\r
- gecko3d = gecko && ('MozPerspective' in doc.style),\r
- opera3d = opera && ('OTransition' in doc.style);\r
-\r
- var touch = !window.L_NO_TOUCH && (function () {\r
- var startName = 'ontouchstart';\r
-\r
- // WebKit, etc\r
- if (startName in doc) {\r
- return true;\r
- }\r
-\r
- // Firefox/Gecko\r
- var div = document.createElement('div'),\r
- supported = false;\r
-\r
- if (!div.setAttribute) {\r
- return false;\r
- }\r
- div.setAttribute(startName, 'return;');\r
-\r
- if (typeof div[startName] === 'function') {\r
- supported = true;\r
- }\r
-\r
- div.removeAttribute(startName);\r
- div = null;\r
-\r
- return supported;\r
- }());\r
-\r
- var retina = (('devicePixelRatio' in window && window.devicePixelRatio > 1) || ('matchMedia' in window && window.matchMedia("(min-resolution:144dpi)").matches));\r
-\r
- L.Browser = {\r
- ua: ua,\r
- ie: ie,\r
- ie6: ie6,\r
- webkit: webkit,\r
- gecko: gecko,\r
- opera: opera,\r
- android: android,\r
- android23: android23,\r
-\r
- chrome: chrome,\r
-\r
- ie3d: ie3d,\r
- webkit3d: webkit3d,\r
- gecko3d: gecko3d,\r
- opera3d: opera3d,\r
- any3d: !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d),\r
-\r
- mobile: mobile,\r
- mobileWebkit: mobile && webkit,\r
- mobileWebkit3d: mobile && webkit3d,\r
- mobileOpera: mobile && opera,\r
-\r
- touch: touch,\r
-\r
- retina: retina\r
- };\r
-}());\r
-
-
-/*\r
- * L.Point represents a point with x and y coordinates.\r
- */\r
-\r
-L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ round) {\r
- this.x = (round ? Math.round(x) : x);\r
- this.y = (round ? Math.round(y) : y);\r
-};\r
-\r
-L.Point.prototype = {\r
-\r
- clone: function () {\r
- return new L.Point(this.x, this.y);\r
- },\r
-\r
- // non-destructive, returns a new point\r
- add: function (point) {\r
- return this.clone()._add(L.point(point));\r
- },\r
-\r
- // destructive, used directly for performance in situations where it's safe to modify existing point\r
- _add: function (point) {\r
- this.x += point.x;\r
- this.y += point.y;\r
- return this;\r
- },\r
-\r
- subtract: function (point) {\r
- return this.clone()._subtract(L.point(point));\r
- },\r
-\r
- _subtract: function (point) {\r
- this.x -= point.x;\r
- this.y -= point.y;\r
- return this;\r
- },\r
-\r
- divideBy: function (num) {\r
- return this.clone()._divideBy(num);\r
- },\r
-\r
- _divideBy: function (num) {\r
- this.x /= num;\r
- this.y /= num;\r
- return this;\r
- },\r
-\r
- multiplyBy: function (num) {\r
- return this.clone()._multiplyBy(num);\r
- },\r
-\r
- _multiplyBy: function (num) {\r
- this.x *= num;\r
- this.y *= num;\r
- return this;\r
- },\r
-\r
- round: function () {\r
- return this.clone()._round();\r
- },\r
-\r
- _round: function () {\r
- this.x = Math.round(this.x);\r
- this.y = Math.round(this.y);\r
- return this;\r
- },\r
-\r
- floor: function () {\r
- return this.clone()._floor();\r
- },\r
-\r
- _floor: function () {\r
- this.x = Math.floor(this.x);\r
- this.y = Math.floor(this.y);\r
- return this;\r
- },\r
-\r
- distanceTo: function (point) {\r
- point = L.point(point);\r
-\r
- var x = point.x - this.x,\r
- y = point.y - this.y;\r
-\r
- return Math.sqrt(x * x + y * y);\r
- },\r
-\r
- toString: function () {\r
- return 'Point(' +\r
- L.Util.formatNum(this.x) + ', ' +\r
- L.Util.formatNum(this.y) + ')';\r
- }\r
-};\r
-\r
-L.point = function (x, y, round) {\r
- if (x instanceof L.Point) {\r
- return x;\r
- }\r
- if (x instanceof Array) {\r
- return new L.Point(x[0], x[1]);\r
- }\r
- if (isNaN(x)) {\r
- return x;\r
- }\r
- return new L.Point(x, y, round);\r
-};\r
-
-
-/*\r
- * L.Bounds represents a rectangular area on the screen in pixel coordinates.\r
- */\r
-\r
-L.Bounds = L.Class.extend({\r
-\r
- initialize: function (a, b) { //(Point, Point) or Point[]\r
- if (!a) { return; }\r
-\r
- var points = b ? [a, b] : a;\r
-\r
- for (var i = 0, len = points.length; i < len; i++) {\r
- this.extend(points[i]);\r
- }\r
- },\r
-\r
- // extend the bounds to contain the given point\r
- extend: function (point) { // (Point)\r
- point = L.point(point);\r
-\r
- if (!this.min && !this.max) {\r
- this.min = point.clone();\r
- this.max = point.clone();\r
- } else {\r
- this.min.x = Math.min(point.x, this.min.x);\r
- this.max.x = Math.max(point.x, this.max.x);\r
- this.min.y = Math.min(point.y, this.min.y);\r
- this.max.y = Math.max(point.y, this.max.y);\r
- }\r
- return this;\r
- },\r
-\r
- getCenter: function (round) { // (Boolean) -> Point\r
- return new L.Point(\r
- (this.min.x + this.max.x) / 2,\r
- (this.min.y + this.max.y) / 2, round);\r
- },\r
-\r
- getBottomLeft: function () { // -> Point\r
- return new L.Point(this.min.x, this.max.y);\r
- },\r
-\r
- getTopRight: function () { // -> Point\r
- return new L.Point(this.max.x, this.min.y);\r
- },\r
-\r
- contains: function (obj) { // (Bounds) or (Point) -> Boolean\r
- var min, max;\r
-\r
- if (typeof obj[0] === 'number' || obj instanceof L.Point) {\r
- obj = L.point(obj);\r
- } else {\r
- obj = L.bounds(obj);\r
- }\r
-\r
- if (obj instanceof L.Bounds) {\r
- min = obj.min;\r
- max = obj.max;\r
- } else {\r
- min = max = obj;\r
- }\r
-\r
- return (min.x >= this.min.x) &&\r
- (max.x <= this.max.x) &&\r
- (min.y >= this.min.y) &&\r
- (max.y <= this.max.y);\r
- },\r
-\r
- intersects: function (bounds) { // (Bounds) -> Boolean\r
- bounds = L.bounds(bounds);\r
-\r
- var min = this.min,\r
- max = this.max,\r
- min2 = bounds.min,\r
- max2 = bounds.max;\r
-\r
- var xIntersects = (max2.x >= min.x) && (min2.x <= max.x),\r
- yIntersects = (max2.y >= min.y) && (min2.y <= max.y);\r
-\r
- return xIntersects && yIntersects;\r
- },\r
-\r
- isValid: function () {\r
- return !!(this.min && this.max);\r
- }\r
-});\r
-\r
-L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])\r
- if (!a || a instanceof L.Bounds) {\r
- return a;\r
- }\r
- return new L.Bounds(a, b);\r
-};\r
-
-
-/*\r
- * L.Transformation is an utility class to perform simple point transformations through a 2d-matrix.\r
- */\r
-\r
-L.Transformation = L.Class.extend({\r
- initialize: function (/*Number*/ a, /*Number*/ b, /*Number*/ c, /*Number*/ d) {\r
- this._a = a;\r
- this._b = b;\r
- this._c = c;\r
- this._d = d;\r
- },\r
-\r
- transform: function (point, scale) {\r
- return this._transform(point.clone(), scale);\r
- },\r
-\r
- // destructive transform (faster)\r
- _transform: function (/*Point*/ point, /*Number*/ scale) /*-> Point*/ {\r
- scale = scale || 1;\r
- point.x = scale * (this._a * point.x + this._b);\r
- point.y = scale * (this._c * point.y + this._d);\r
- return point;\r
- },\r
-\r
- untransform: function (/*Point*/ point, /*Number*/ scale) /*-> Point*/ {\r
- scale = scale || 1;\r
- return new L.Point(\r
- (point.x / scale - this._b) / this._a,\r
- (point.y / scale - this._d) / this._c);\r
- }\r
-});\r
-
-
-/*\r
- * L.DomUtil contains various utility functions for working with DOM.\r
- */\r
-\r
-L.DomUtil = {\r
- get: function (id) {\r
- return (typeof id === 'string' ? document.getElementById(id) : id);\r
- },\r
-\r
- getStyle: function (el, style) {\r
-\r
- var value = el.style[style];\r
-\r
- if (!value && el.currentStyle) {\r
- value = el.currentStyle[style];\r
- }\r
-\r
- if (!value || value === 'auto') {\r
- var css = document.defaultView.getComputedStyle(el, null);\r
- value = css ? css[style] : null;\r
- }\r
-\r
- return value === 'auto' ? null : value;\r
- },\r
-\r
- getViewportOffset: function (element) {\r
-\r
- var top = 0,\r
- left = 0,\r
- el = element,\r
- docBody = document.body,\r
- pos;\r
-\r
- do {\r
- top += el.offsetTop || 0;\r
- left += el.offsetLeft || 0;\r
- pos = L.DomUtil.getStyle(el, 'position');\r
-\r
- if (el.offsetParent === docBody && pos === 'absolute') { break; }\r
-\r
- if (pos === 'fixed') {\r
- top += docBody.scrollTop || 0;\r
- left += docBody.scrollLeft || 0;\r
- break;\r
- }\r
- el = el.offsetParent;\r
-\r
- } while (el);\r
-\r
- el = element;\r
-\r
- do {\r
- if (el === docBody) { break; }\r
-\r
- top -= el.scrollTop || 0;\r
- left -= el.scrollLeft || 0;\r
-\r
- el = el.parentNode;\r
- } while (el);\r
-\r
- return new L.Point(left, top);\r
- },\r
-\r
- create: function (tagName, className, container) {\r
-\r
- var el = document.createElement(tagName);\r
- el.className = className;\r
-\r
- if (container) {\r
- container.appendChild(el);\r
- }\r
-\r
- return el;\r
- },\r
-\r
- disableTextSelection: function () {\r
- if (document.selection && document.selection.empty) {\r
- document.selection.empty();\r
- }\r
- if (!this._onselectstart) {\r
- this._onselectstart = document.onselectstart;\r
- document.onselectstart = L.Util.falseFn;\r
- }\r
- },\r
-\r
- enableTextSelection: function () {\r
- if (document.onselectstart === L.Util.falseFn) {\r
- document.onselectstart = this._onselectstart;\r
- this._onselectstart = null;\r
- }\r
- },\r
-\r
- hasClass: function (el, name) {\r
- return (el.className.length > 0) &&\r
- new RegExp("(^|\\s)" + name + "(\\s|$)").test(el.className);\r
- },\r
-\r
- addClass: function (el, name) {\r
- if (!L.DomUtil.hasClass(el, name)) {\r
- el.className += (el.className ? ' ' : '') + name;\r
- }\r
- },\r
-\r
- removeClass: function (el, name) {\r
-\r
- function replaceFn(w, match) {\r
- if (match === name) { return ''; }\r
- return w;\r
- }\r
-\r
- el.className = el.className\r
- .replace(/(\S+)\s*/g, replaceFn)\r
- .replace(/(^\s+|\s+$)/, '');\r
- },\r
-\r
- setOpacity: function (el, value) {\r
-\r
- if ('opacity' in el.style) {\r
- el.style.opacity = value;\r
-\r
- } else if (L.Browser.ie) {\r
-\r
- var filter = false,\r
- filterName = 'DXImageTransform.Microsoft.Alpha';\r
-\r
- // filters collection throws an error if we try to retrieve a filter that doesn't exist\r
- try { filter = el.filters.item(filterName); } catch (e) {}\r
-\r
- value = Math.round(value * 100);\r
-\r
- if (filter) {\r
- filter.Enabled = (value !== 100);\r
- filter.Opacity = value;\r
- } else {\r
- el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';\r
- }\r
- }\r
- },\r
-\r
- testProp: function (props) {\r
-\r
- var style = document.documentElement.style;\r
-\r
- for (var i = 0; i < props.length; i++) {\r
- if (props[i] in style) {\r
- return props[i];\r
- }\r
- }\r
- return false;\r
- },\r
-\r
- getTranslateString: function (point) {\r
- // on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate\r
- // makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care\r
- // (same speed either way), Opera 12 doesn't support translate3d\r
-\r
- var is3d = L.Browser.webkit3d,\r
- open = 'translate' + (is3d ? '3d' : '') + '(',\r
- close = (is3d ? ',0' : '') + ')';\r
-\r
- return open + point.x + 'px,' + point.y + 'px' + close;\r
- },\r
-\r
- getScaleString: function (scale, origin) {\r
-\r
- var preTranslateStr = L.DomUtil.getTranslateString(origin),\r
- scaleStr = ' scale(' + scale + ') ',\r
- postTranslateStr = L.DomUtil.getTranslateString(origin.multiplyBy(-1));\r
-\r
- return preTranslateStr + scaleStr + postTranslateStr;\r
- },\r
-\r
- setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])\r
-\r
- el._leaflet_pos = point;\r
-\r
- if (!disable3D && L.Browser.any3d) {\r
- el.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(point);\r
-\r
- // workaround for Android 2/3 stability (https://github.com/CloudMade/Leaflet/issues/69)\r
- if (L.Browser.mobileWebkit3d) {\r
- el.style.WebkitBackfaceVisibility = 'hidden';\r
- }\r
- } else {\r
- el.style.left = point.x + 'px';\r
- el.style.top = point.y + 'px';\r
- }\r
- },\r
-\r
- getPosition: function (el) {\r
- // this method is only used for elements previously positioned using setPosition,\r
- // so it's safe to cache the position for performance\r
- return el._leaflet_pos;\r
- }\r
-};\r
-\r
-\r
-// prefix style property names\r
-\r
-L.DomUtil.TRANSFORM = L.DomUtil.testProp(\r
- ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);\r
-\r
-L.DomUtil.TRANSITION = L.DomUtil.testProp(\r
- ['transition', 'webkitTransition', 'OTransition', 'MozTransition', 'msTransition']);\r
-\r
-L.DomUtil.TRANSITION_END =\r
- L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ?\r
- L.DomUtil.TRANSITION + 'End' : 'transitionend';\r
-
-
-/*\r
- CM.LatLng represents a geographical point with latitude and longtitude coordinates.\r
-*/\r
-\r
-L.LatLng = function (rawLat, rawLng, noWrap) { // (Number, Number[, Boolean])\r
- var lat = parseFloat(rawLat),\r
- lng = parseFloat(rawLng);\r
-\r
- if (isNaN(lat) || isNaN(lng)) {\r
- throw new Error('Invalid LatLng object: (' + rawLat + ', ' + rawLng + ')');\r
- }\r
-\r
- if (noWrap !== true) {\r
- lat = Math.max(Math.min(lat, 90), -90); // clamp latitude into -90..90\r
- lng = (lng + 180) % 360 + ((lng < -180 || lng === 180) ? 180 : -180); // wrap longtitude into -180..180\r
- }\r
-\r
- this.lat = lat;\r
- this.lng = lng;\r
-};\r
-\r
-L.Util.extend(L.LatLng, {\r
- DEG_TO_RAD: Math.PI / 180,\r
- RAD_TO_DEG: 180 / Math.PI,\r
- MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check\r
-});\r
-\r
-L.LatLng.prototype = {\r
- equals: function (obj) { // (LatLng) -> Boolean\r
- if (!obj) { return false; }\r
-\r
- obj = L.latLng(obj);\r
-\r
- var margin = Math.max(Math.abs(this.lat - obj.lat), Math.abs(this.lng - obj.lng));\r
- return margin <= L.LatLng.MAX_MARGIN;\r
- },\r
-\r
- toString: function () { // -> String\r
- return 'LatLng(' +\r
- L.Util.formatNum(this.lat) + ', ' +\r
- L.Util.formatNum(this.lng) + ')';\r
- },\r
-\r
- // Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula\r
- distanceTo: function (other) { // (LatLng) -> Number\r
- other = L.latLng(other);\r
-\r
- var R = 6378137, // earth radius in meters\r
- d2r = L.LatLng.DEG_TO_RAD,\r
- dLat = (other.lat - this.lat) * d2r,\r
- dLon = (other.lng - this.lng) * d2r,\r
- lat1 = this.lat * d2r,\r
- lat2 = other.lat * d2r,\r
- sin1 = Math.sin(dLat / 2),\r
- sin2 = Math.sin(dLon / 2);\r
-\r
- var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);\r
-\r
- return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));\r
- }\r
-};\r
-\r
-L.latLng = function (a, b, c) { // (LatLng) or ([Number, Number]) or (Number, Number, Boolean)\r
- if (a instanceof L.LatLng) {\r
- return a;\r
- }\r
- if (a instanceof Array) {\r
- return new L.LatLng(a[0], a[1]);\r
- }\r
- if (isNaN(a)) {\r
- return a;\r
- }\r
- return new L.LatLng(a, b, c);\r
-};\r
-
-
-/*\r
- * L.LatLngBounds represents a rectangular area on the map in geographical coordinates.\r
- */\r
-\r
-L.LatLngBounds = L.Class.extend({\r
- initialize: function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])\r
- if (!southWest) { return; }\r
-\r
- var latlngs = northEast ? [southWest, northEast] : southWest;\r
-\r
- for (var i = 0, len = latlngs.length; i < len; i++) {\r
- this.extend(latlngs[i]);\r
- }\r
- },\r
-\r
- // extend the bounds to contain the given point or bounds\r
- extend: function (obj) { // (LatLng) or (LatLngBounds)\r
- if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {\r
- obj = L.latLng(obj);\r
- } else {\r
- obj = L.latLngBounds(obj);\r
- }\r
-\r
- if (obj instanceof L.LatLng) {\r
- if (!this._southWest && !this._northEast) {\r
- this._southWest = new L.LatLng(obj.lat, obj.lng, true);\r
- this._northEast = new L.LatLng(obj.lat, obj.lng, true);\r
- } else {\r
- this._southWest.lat = Math.min(obj.lat, this._southWest.lat);\r
- this._southWest.lng = Math.min(obj.lng, this._southWest.lng);\r
-\r
- this._northEast.lat = Math.max(obj.lat, this._northEast.lat);\r
- this._northEast.lng = Math.max(obj.lng, this._northEast.lng);\r
- }\r
- } else if (obj instanceof L.LatLngBounds) {\r
- this.extend(obj._southWest);\r
- this.extend(obj._northEast);\r
- }\r
- return this;\r
- },\r
-\r
- // extend the bounds by a percentage\r
- pad: function (bufferRatio) { // (Number) -> LatLngBounds\r
- var sw = this._southWest,\r
- ne = this._northEast,\r
- heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,\r
- widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;\r
-\r
- return new L.LatLngBounds(\r
- new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),\r
- new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));\r
- },\r
-\r
- getCenter: function () { // -> LatLng\r
- return new L.LatLng(\r
- (this._southWest.lat + this._northEast.lat) / 2,\r
- (this._southWest.lng + this._northEast.lng) / 2);\r
- },\r
-\r
- getSouthWest: function () {\r
- return this._southWest;\r
- },\r
-\r
- getNorthEast: function () {\r
- return this._northEast;\r
- },\r
-\r
- getNorthWest: function () {\r
- return new L.LatLng(this._northEast.lat, this._southWest.lng, true);\r
- },\r
-\r
- getSouthEast: function () {\r
- return new L.LatLng(this._southWest.lat, this._northEast.lng, true);\r
- },\r
-\r
- contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean\r
- if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {\r
- obj = L.latLng(obj);\r
- } else {\r
- obj = L.latLngBounds(obj);\r
- }\r
-\r
- var sw = this._southWest,\r
- ne = this._northEast,\r
- sw2, ne2;\r
-\r
- if (obj instanceof L.LatLngBounds) {\r
- sw2 = obj.getSouthWest();\r
- ne2 = obj.getNorthEast();\r
- } else {\r
- sw2 = ne2 = obj;\r
- }\r
-\r
- return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&\r
- (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);\r
- },\r
-\r
- intersects: function (bounds) { // (LatLngBounds)\r
- bounds = L.latLngBounds(bounds);\r
-\r
- var sw = this._southWest,\r
- ne = this._northEast,\r
- sw2 = bounds.getSouthWest(),\r
- ne2 = bounds.getNorthEast();\r
-\r
- var latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),\r
- lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);\r
-\r
- return latIntersects && lngIntersects;\r
- },\r
-\r
- toBBoxString: function () {\r
- var sw = this._southWest,\r
- ne = this._northEast;\r
- return [sw.lng, sw.lat, ne.lng, ne.lat].join(',');\r
- },\r
-\r
- equals: function (bounds) { // (LatLngBounds)\r
- if (!bounds) { return false; }\r
-\r
- bounds = L.latLngBounds(bounds);\r
-\r
- return this._southWest.equals(bounds.getSouthWest()) &&\r
- this._northEast.equals(bounds.getNorthEast());\r
- },\r
-\r
- isValid: function () {\r
- return !!(this._southWest && this._northEast);\r
- }\r
-});\r
-\r
-//TODO International date line?\r
-\r
-L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng)\r
- if (!a || a instanceof L.LatLngBounds) {\r
- return a;\r
- }\r
- return new L.LatLngBounds(a, b);\r
-};\r
-
-
-/*\r
- * L.Projection contains various geographical projections used by CRS classes.\r
- */\r
-\r
-L.Projection = {};\r
-
-
-\r
-L.Projection.SphericalMercator = {\r
- MAX_LATITUDE: 85.0511287798,\r
-\r
- project: function (latlng) { // (LatLng) -> Point\r
- var d = L.LatLng.DEG_TO_RAD,\r
- max = this.MAX_LATITUDE,\r
- lat = Math.max(Math.min(max, latlng.lat), -max),\r
- x = latlng.lng * d,\r
- y = lat * d;\r
- y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));\r
-\r
- return new L.Point(x, y);\r
- },\r
-\r
- unproject: function (point) { // (Point, Boolean) -> LatLng\r
- var d = L.LatLng.RAD_TO_DEG,\r
- lng = point.x * d,\r
- lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d;\r
-\r
- // TODO refactor LatLng wrapping\r
- return new L.LatLng(lat, lng, true);\r
- }\r
-};\r
-
-
-\r
-L.Projection.LonLat = {\r
- project: function (latlng) {\r
- return new L.Point(latlng.lng, latlng.lat);\r
- },\r
-\r
- unproject: function (point) {\r
- return new L.LatLng(point.y, point.x, true);\r
- }\r
-};\r
-
-
-\r
-L.CRS = {\r
- latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point\r
- var projectedPoint = this.projection.project(latlng),\r
- scale = this.scale(zoom);\r
-\r
- return this.transformation._transform(projectedPoint, scale);\r
- },\r
-\r
- pointToLatLng: function (point, zoom) { // (Point, Number[, Boolean]) -> LatLng\r
- var scale = this.scale(zoom),\r
- untransformedPoint = this.transformation.untransform(point, scale);\r
-\r
- return this.projection.unproject(untransformedPoint);\r
- },\r
-\r
- project: function (latlng) {\r
- return this.projection.project(latlng);\r
- },\r
-\r
- scale: function (zoom) {\r
- return 256 * Math.pow(2, zoom);\r
- }\r
-};\r
-
-
-\r
-L.CRS.EPSG3857 = L.Util.extend({}, L.CRS, {\r
- code: 'EPSG:3857',\r
-\r
- projection: L.Projection.SphericalMercator,\r
- transformation: new L.Transformation(0.5 / Math.PI, 0.5, -0.5 / Math.PI, 0.5),\r
-\r
- project: function (latlng) { // (LatLng) -> Point\r
- var projectedPoint = this.projection.project(latlng),\r
- earthRadius = 6378137;\r
- return projectedPoint.multiplyBy(earthRadius);\r
- }\r
-});\r
-\r
-L.CRS.EPSG900913 = L.Util.extend({}, L.CRS.EPSG3857, {\r
- code: 'EPSG:900913'\r
-});\r
-
-
-\r
-L.CRS.EPSG4326 = L.Util.extend({}, L.CRS, {\r
- code: 'EPSG:4326',\r
-\r
- projection: L.Projection.LonLat,\r
- transformation: new L.Transformation(1 / 360, 0.5, -1 / 360, 0.5)\r
-});\r
-
-
-/*\r
- * L.Map is the central class of the API - it is used to create a map.\r
- */\r
-\r
-L.Map = L.Class.extend({\r
-\r
- includes: L.Mixin.Events,\r
-\r
- options: {\r
- crs: L.CRS.EPSG3857,\r
-\r
- /*\r
- center: LatLng,\r
- zoom: Number,\r
- layers: Array,\r
- */\r
-\r
- fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android23,\r
- trackResize: true,\r
- markerZoomAnimation: L.DomUtil.TRANSITION && L.Browser.any3d\r
- },\r
-\r
- initialize: function (id, options) { // (HTMLElement or String, Object)\r
- options = L.Util.setOptions(this, options);\r
-\r
- this._initContainer(id);\r
- this._initLayout();\r
- this._initHooks();\r
- this._initEvents();\r
-\r
- if (options.maxBounds) {\r
- this.setMaxBounds(options.maxBounds);\r
- }\r
-\r
- if (options.center && options.zoom !== undefined) {\r
- this.setView(L.latLng(options.center), options.zoom, true);\r
- }\r
-\r
- this._initLayers(options.layers);\r
- },\r
-\r
-\r
- // public methods that modify map state\r
-\r
- // replaced by animation-powered implementation in Map.PanAnimation.js\r
- setView: function (center, zoom) {\r
- this._resetView(L.latLng(center), this._limitZoom(zoom));\r
- return this;\r
- },\r
-\r
- setZoom: function (zoom) { // (Number)\r
- return this.setView(this.getCenter(), zoom);\r
- },\r
-\r
- zoomIn: function (delta) {\r
- return this.setZoom(this._zoom + (delta || 1));\r
- },\r
-\r
- zoomOut: function (delta) {\r
- return this.setZoom(this._zoom - (delta || 1));\r
- },\r
-\r
- fitBounds: function (bounds) { // (LatLngBounds)\r
- var zoom = this.getBoundsZoom(bounds);\r
- return this.setView(L.latLngBounds(bounds).getCenter(), zoom);\r
- },\r
-\r
- fitWorld: function () {\r
- var sw = new L.LatLng(-60, -170),\r
- ne = new L.LatLng(85, 179);\r
-\r
- return this.fitBounds(new L.LatLngBounds(sw, ne));\r
- },\r
-\r
- panTo: function (center) { // (LatLng)\r
- return this.setView(center, this._zoom);\r
- },\r
-\r
- panBy: function (offset) { // (Point)\r
- // replaced with animated panBy in Map.Animation.js\r
- this.fire('movestart');\r
-\r
- this._rawPanBy(L.point(offset));\r
-\r
- this.fire('move');\r
- return this.fire('moveend');\r
- },\r
-\r
- setMaxBounds: function (bounds) {\r
- bounds = L.latLngBounds(bounds);\r
-\r
- this.options.maxBounds = bounds;\r
-\r
- if (!bounds) {\r
- this._boundsMinZoom = null;\r
- return this;\r
- }\r
-\r
- var minZoom = this.getBoundsZoom(bounds, true);\r
-\r
- this._boundsMinZoom = minZoom;\r
-\r
- if (this._loaded) {\r
- if (this._zoom < minZoom) {\r
- this.setView(bounds.getCenter(), minZoom);\r
- } else {\r
- this.panInsideBounds(bounds);\r
- }\r
- }\r
-\r
- return this;\r
- },\r
-\r
- panInsideBounds: function (bounds) {\r
- bounds = L.latLngBounds(bounds);\r
-\r
- var viewBounds = this.getBounds(),\r
- viewSw = this.project(viewBounds.getSouthWest()),\r
- viewNe = this.project(viewBounds.getNorthEast()),\r
- sw = this.project(bounds.getSouthWest()),\r
- ne = this.project(bounds.getNorthEast()),\r
- dx = 0,\r
- dy = 0;\r
-\r
- if (viewNe.y < ne.y) { // north\r
- dy = ne.y - viewNe.y;\r
- }\r
- if (viewNe.x > ne.x) { // east\r
- dx = ne.x - viewNe.x;\r
- }\r
- if (viewSw.y > sw.y) { // south\r
- dy = sw.y - viewSw.y;\r
- }\r
- if (viewSw.x < sw.x) { // west\r
- dx = sw.x - viewSw.x;\r
- }\r
-\r
- return this.panBy(new L.Point(dx, dy, true));\r
- },\r
-\r
- addLayer: function (layer) {\r
- // TODO method is too big, refactor\r
-\r
- var id = L.Util.stamp(layer);\r
-\r
- if (this._layers[id]) { return this; }\r
-\r
- this._layers[id] = layer;\r
-\r
- // TODO getMaxZoom, getMinZoom in ILayer (instead of options)\r
- if (layer.options && !isNaN(layer.options.maxZoom)) {\r
- this._layersMaxZoom = Math.max(this._layersMaxZoom || 0, layer.options.maxZoom);\r
- }\r
- if (layer.options && !isNaN(layer.options.minZoom)) {\r
- this._layersMinZoom = Math.min(this._layersMinZoom || Infinity, layer.options.minZoom);\r
- }\r
-\r
- // TODO looks ugly, refactor!!!\r
- if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {\r
- this._tileLayersNum++;\r
- this._tileLayersToLoad++;\r
- layer.on('load', this._onTileLayerLoad, this);\r
- }\r
-\r
- var onMapLoad = function () {\r
- layer.onAdd(this);\r
- this.fire('layeradd', {layer: layer});\r
- };\r
-\r
- if (this._loaded) {\r
- onMapLoad.call(this);\r
- } else {\r
- this.on('load', onMapLoad, this);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- removeLayer: function (layer) {\r
- var id = L.Util.stamp(layer);\r
-\r
- if (!this._layers[id]) { return; }\r
-\r
- layer.onRemove(this);\r
-\r
- delete this._layers[id];\r
-\r
- // TODO looks ugly, refactor\r
- if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {\r
- this._tileLayersNum--;\r
- this._tileLayersToLoad--;\r
- layer.off('load', this._onTileLayerLoad, this);\r
- }\r
-\r
- return this.fire('layerremove', {layer: layer});\r
- },\r
-\r
- hasLayer: function (layer) {\r
- var id = L.Util.stamp(layer);\r
- return this._layers.hasOwnProperty(id);\r
- },\r
-\r
- invalidateSize: function (animate) {\r
- var oldSize = this.getSize();\r
-\r
- this._sizeChanged = true;\r
-\r
- if (this.options.maxBounds) {\r
- this.setMaxBounds(this.options.maxBounds);\r
- }\r
-\r
- if (!this._loaded) { return this; }\r
-\r
- var offset = oldSize._subtract(this.getSize())._divideBy(2)._round();\r
-\r
- if (animate === true) {\r
- this.panBy(offset);\r
- } else {\r
- this._rawPanBy(offset);\r
-\r
- this.fire('move');\r
-\r
- clearTimeout(this._sizeTimer);\r
- this._sizeTimer = setTimeout(L.Util.bind(this.fire, this, 'moveend'), 200);\r
- }\r
- return this;\r
- },\r
-\r
- // TODO handler.addTo\r
- addHandler: function (name, HandlerClass) {\r
- if (!HandlerClass) { return; }\r
-\r
- this[name] = new HandlerClass(this);\r
-\r
- if (this.options[name]) {\r
- this[name].enable();\r
- }\r
-\r
- return this;\r
- },\r
-\r
-\r
- // public methods for getting map state\r
-\r
- getCenter: function () { // (Boolean) -> LatLng\r
- return this.layerPointToLatLng(this._getCenterLayerPoint());\r
- },\r
-\r
- getZoom: function () {\r
- return this._zoom;\r
- },\r
-\r
- getBounds: function () {\r
- var bounds = this.getPixelBounds(),\r
- sw = this.unproject(bounds.getBottomLeft()),\r
- ne = this.unproject(bounds.getTopRight());\r
-\r
- return new L.LatLngBounds(sw, ne);\r
- },\r
-\r
- getMinZoom: function () {\r
- var z1 = this.options.minZoom || 0,\r
- z2 = this._layersMinZoom || 0,\r
- z3 = this._boundsMinZoom || 0;\r
-\r
- return Math.max(z1, z2, z3);\r
- },\r
-\r
- getMaxZoom: function () {\r
- var z1 = this.options.maxZoom === undefined ? Infinity : this.options.maxZoom,\r
- z2 = this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom;\r
-\r
- return Math.min(z1, z2);\r
- },\r
-\r
- getBoundsZoom: function (bounds, inside) { // (LatLngBounds, Boolean) -> Number\r
- bounds = L.latLngBounds(bounds);\r
-\r
- var size = this.getSize(),\r
- zoom = this.options.minZoom || 0,\r
- maxZoom = this.getMaxZoom(),\r
- ne = bounds.getNorthEast(),\r
- sw = bounds.getSouthWest(),\r
- boundsSize,\r
- nePoint,\r
- swPoint,\r
- zoomNotFound = true;\r
-\r
- if (inside) {\r
- zoom--;\r
- }\r
-\r
- do {\r
- zoom++;\r
- nePoint = this.project(ne, zoom);\r
- swPoint = this.project(sw, zoom);\r
- boundsSize = new L.Point(Math.abs(nePoint.x - swPoint.x), Math.abs(swPoint.y - nePoint.y));\r
-\r
- if (!inside) {\r
- zoomNotFound = boundsSize.x <= size.x && boundsSize.y <= size.y;\r
- } else {\r
- zoomNotFound = boundsSize.x < size.x || boundsSize.y < size.y;\r
- }\r
- } while (zoomNotFound && zoom <= maxZoom);\r
-\r
- if (zoomNotFound && inside) {\r
- return null;\r
- }\r
-\r
- return inside ? zoom : zoom - 1;\r
- },\r
-\r
- getSize: function () {\r
- if (!this._size || this._sizeChanged) {\r
- this._size = new L.Point(\r
- this._container.clientWidth,\r
- this._container.clientHeight);\r
-\r
- this._sizeChanged = false;\r
- }\r
- return this._size.clone();\r
- },\r
-\r
- getPixelBounds: function () {\r
- var topLeftPoint = this._getTopLeftPoint();\r
- return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize()));\r
- },\r
-\r
- getPixelOrigin: function () {\r
- return this._initialTopLeftPoint;\r
- },\r
-\r
- getPanes: function () {\r
- return this._panes;\r
- },\r
-\r
- getContainer: function () {\r
- return this._container;\r
- },\r
-\r
-\r
- // TODO replace with universal implementation after refactoring projections\r
-\r
- getZoomScale: function (toZoom) {\r
- var crs = this.options.crs;\r
- return crs.scale(toZoom) / crs.scale(this._zoom);\r
- },\r
-\r
- getScaleZoom: function (scale) {\r
- return this._zoom + (Math.log(scale) / Math.LN2);\r
- },\r
-\r
-\r
- // conversion methods\r
-\r
- project: function (latlng, zoom) { // (LatLng[, Number]) -> Point\r
- zoom = zoom === undefined ? this._zoom : zoom;\r
- return this.options.crs.latLngToPoint(L.latLng(latlng), zoom);\r
- },\r
-\r
- unproject: function (point, zoom) { // (Point[, Number]) -> LatLng\r
- zoom = zoom === undefined ? this._zoom : zoom;\r
- return this.options.crs.pointToLatLng(L.point(point), zoom);\r
- },\r
-\r
- layerPointToLatLng: function (point) { // (Point)\r
- var projectedPoint = L.point(point).add(this._initialTopLeftPoint);\r
- return this.unproject(projectedPoint);\r
- },\r
-\r
- latLngToLayerPoint: function (latlng) { // (LatLng)\r
- var projectedPoint = this.project(L.latLng(latlng))._round();\r
- return projectedPoint._subtract(this._initialTopLeftPoint);\r
- },\r
-\r
- containerPointToLayerPoint: function (point) { // (Point)\r
- return L.point(point).subtract(this._getMapPanePos());\r
- },\r
-\r
- layerPointToContainerPoint: function (point) { // (Point)\r
- return L.point(point).add(this._getMapPanePos());\r
- },\r
-\r
- containerPointToLatLng: function (point) {\r
- var layerPoint = this.containerPointToLayerPoint(L.point(point));\r
- return this.layerPointToLatLng(layerPoint);\r
- },\r
-\r
- latLngToContainerPoint: function (latlng) {\r
- return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng)));\r
- },\r
-\r
- mouseEventToContainerPoint: function (e) { // (MouseEvent)\r
- return L.DomEvent.getMousePosition(e, this._container);\r
- },\r
-\r
- mouseEventToLayerPoint: function (e) { // (MouseEvent)\r
- return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e));\r
- },\r
-\r
- mouseEventToLatLng: function (e) { // (MouseEvent)\r
- return this.layerPointToLatLng(this.mouseEventToLayerPoint(e));\r
- },\r
-\r
-\r
- // map initialization methods\r
-\r
- _initContainer: function (id) {\r
- var container = this._container = L.DomUtil.get(id);\r
-\r
- if (container._leaflet) {\r
- throw new Error("Map container is already initialized.");\r
- }\r
-\r
- container._leaflet = true;\r
- },\r
-\r
- _initLayout: function () {\r
- var container = this._container;\r
-\r
- container.innerHTML = '';\r
- L.DomUtil.addClass(container, 'leaflet-container');\r
-\r
- if (L.Browser.touch) {\r
- L.DomUtil.addClass(container, 'leaflet-touch');\r
- }\r
-\r
- if (this.options.fadeAnimation) {\r
- L.DomUtil.addClass(container, 'leaflet-fade-anim');\r
- }\r
-\r
- var position = L.DomUtil.getStyle(container, 'position');\r
-\r
- if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') {\r
- container.style.position = 'relative';\r
- }\r
-\r
- this._initPanes();\r
-\r
- if (this._initControlPos) {\r
- this._initControlPos();\r
- }\r
- },\r
-\r
- _initPanes: function () {\r
- var panes = this._panes = {};\r
-\r
- this._mapPane = panes.mapPane = this._createPane('leaflet-map-pane', this._container);\r
-\r
- this._tilePane = panes.tilePane = this._createPane('leaflet-tile-pane', this._mapPane);\r
- this._objectsPane = panes.objectsPane = this._createPane('leaflet-objects-pane', this._mapPane);\r
-\r
- panes.shadowPane = this._createPane('leaflet-shadow-pane');\r
- panes.overlayPane = this._createPane('leaflet-overlay-pane');\r
- panes.markerPane = this._createPane('leaflet-marker-pane');\r
- panes.popupPane = this._createPane('leaflet-popup-pane');\r
-\r
- var zoomHide = ' leaflet-zoom-hide';\r
-\r
- if (!this.options.markerZoomAnimation) {\r
- L.DomUtil.addClass(panes.markerPane, zoomHide);\r
- L.DomUtil.addClass(panes.shadowPane, zoomHide);\r
- L.DomUtil.addClass(panes.popupPane, zoomHide);\r
- }\r
- },\r
-\r
- _createPane: function (className, container) {\r
- return L.DomUtil.create('div', className, container || this._objectsPane);\r
- },\r
-\r
- _initializers: [],\r
-\r
- _initHooks: function () {\r
- var i, len;\r
- for (i = 0, len = this._initializers.length; i < len; i++) {\r
- this._initializers[i].call(this);\r
- }\r
- },\r
-\r
- _initLayers: function (layers) {\r
- layers = layers ? (layers instanceof Array ? layers : [layers]) : [];\r
-\r
- this._layers = {};\r
- this._tileLayersNum = 0;\r
-\r
- var i, len;\r
-\r
- for (i = 0, len = layers.length; i < len; i++) {\r
- this.addLayer(layers[i]);\r
- }\r
- },\r
-\r
-\r
- // private methods that modify map state\r
-\r
- _resetView: function (center, zoom, preserveMapOffset, afterZoomAnim) {\r
-\r
- var zoomChanged = (this._zoom !== zoom);\r
-\r
- if (!afterZoomAnim) {\r
- this.fire('movestart');\r
-\r
- if (zoomChanged) {\r
- this.fire('zoomstart');\r
- }\r
- }\r
-\r
- this._zoom = zoom;\r
-\r
- this._initialTopLeftPoint = this._getNewTopLeftPoint(center);\r
-\r
- if (!preserveMapOffset) {\r
- L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));\r
- } else {\r
- this._initialTopLeftPoint._add(this._getMapPanePos());\r
- }\r
-\r
- this._tileLayersToLoad = this._tileLayersNum;\r
-\r
- var loading = !this._loaded;\r
- this._loaded = true;\r
-\r
- this.fire('viewreset', {hard: !preserveMapOffset});\r
-\r
- this.fire('move');\r
-\r
- if (zoomChanged || afterZoomAnim) {\r
- this.fire('zoomend');\r
- }\r
-\r
- this.fire('moveend', {hard: !preserveMapOffset});\r
-\r
- if (loading) {\r
- this.fire('load');\r
- }\r
- },\r
-\r
- _rawPanBy: function (offset) {\r
- L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));\r
- },\r
-\r
-\r
- // map events\r
-\r
- _initEvents: function () {\r
- if (!L.DomEvent) { return; }\r
-\r
- L.DomEvent.on(this._container, 'click', this._onMouseClick, this);\r
-\r
- var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter', 'mouseleave', 'mousemove', 'contextmenu'],\r
- i, len;\r
-\r
- for (i = 0, len = events.length; i < len; i++) {\r
- L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);\r
- }\r
-\r
- if (this.options.trackResize) {\r
- L.DomEvent.on(window, 'resize', this._onResize, this);\r
- }\r
- },\r
-\r
- _onResize: function () {\r
- L.Util.cancelAnimFrame(this._resizeRequest);\r
- this._resizeRequest = L.Util.requestAnimFrame(this.invalidateSize, this, false, this._container);\r
- },\r
-\r
- _onMouseClick: function (e) {\r
- if (!this._loaded || (this.dragging && this.dragging.moved())) { return; }\r
-\r
- this.fire('preclick');\r
- this._fireMouseEvent(e);\r
- },\r
-\r
- _fireMouseEvent: function (e) {\r
- if (!this._loaded) { return; }\r
-\r
- var type = e.type;\r
-\r
- type = (type === 'mouseenter' ? 'mouseover' : (type === 'mouseleave' ? 'mouseout' : type));\r
-\r
- if (!this.hasEventListeners(type)) { return; }\r
-\r
- if (type === 'contextmenu') {\r
- L.DomEvent.preventDefault(e);\r
- }\r
-\r
- var containerPoint = this.mouseEventToContainerPoint(e),\r
- layerPoint = this.containerPointToLayerPoint(containerPoint),\r
- latlng = this.layerPointToLatLng(layerPoint);\r
-\r
- this.fire(type, {\r
- latlng: latlng,\r
- layerPoint: layerPoint,\r
- containerPoint: containerPoint,\r
- originalEvent: e\r
- });\r
- },\r
-\r
- _onTileLayerLoad: function () {\r
- // TODO super-ugly, refactor!!!\r
- // clear scaled tiles after all new tiles are loaded (for performance)\r
- this._tileLayersToLoad--;\r
- if (this._tileLayersNum && !this._tileLayersToLoad && this._tileBg) {\r
- clearTimeout(this._clearTileBgTimer);\r
- this._clearTileBgTimer = setTimeout(L.Util.bind(this._clearTileBg, this), 500);\r
- }\r
- },\r
-\r
-\r
- // private methods for getting map state\r
-\r
- _getMapPanePos: function () {\r
- return L.DomUtil.getPosition(this._mapPane);\r
- },\r
-\r
- _getTopLeftPoint: function () {\r
- if (!this._loaded) {\r
- throw new Error('Set map center and zoom first.');\r
- }\r
-\r
- return this._initialTopLeftPoint.subtract(this._getMapPanePos());\r
- },\r
-\r
- _getNewTopLeftPoint: function (center, zoom) {\r
- var viewHalf = this.getSize()._divideBy(2);\r
- // TODO round on display, not calculation to increase precision?\r
- return this.project(center, zoom)._subtract(viewHalf)._round();\r
- },\r
-\r
- _latLngToNewLayerPoint: function (latlng, newZoom, newCenter) {\r
- var topLeft = this._getNewTopLeftPoint(newCenter, newZoom).add(this._getMapPanePos());\r
- return this.project(latlng, newZoom)._subtract(topLeft);\r
- },\r
-\r
- _getCenterLayerPoint: function () {\r
- return this.containerPointToLayerPoint(this.getSize()._divideBy(2));\r
- },\r
-\r
- _getCenterOffset: function (center) {\r
- return this.latLngToLayerPoint(center).subtract(this._getCenterLayerPoint());\r
- },\r
-\r
- _limitZoom: function (zoom) {\r
- var min = this.getMinZoom(),\r
- max = this.getMaxZoom();\r
-\r
- return Math.max(min, Math.min(max, zoom));\r
- }\r
-});\r
-\r
-L.Map.addInitHook = function (fn) {\r
- var args = Array.prototype.slice.call(arguments, 1);\r
-\r
- var init = typeof fn === 'function' ? fn : function () {\r
- this[fn].apply(this, args);\r
- };\r
-\r
- this.prototype._initializers.push(init);\r
-};\r
-\r
-L.map = function (id, options) {\r
- return new L.Map(id, options);\r
-};\r
-
-
-\r
-L.Projection.Mercator = {\r
- MAX_LATITUDE: 85.0840591556,\r
-\r
- R_MINOR: 6356752.3142,\r
- R_MAJOR: 6378137,\r
-\r
- project: function (latlng) { // (LatLng) -> Point\r
- var d = L.LatLng.DEG_TO_RAD,\r
- max = this.MAX_LATITUDE,\r
- lat = Math.max(Math.min(max, latlng.lat), -max),\r
- r = this.R_MAJOR,\r
- r2 = this.R_MINOR,\r
- x = latlng.lng * d * r,\r
- y = lat * d,\r
- tmp = r2 / r,\r
- eccent = Math.sqrt(1.0 - tmp * tmp),\r
- con = eccent * Math.sin(y);\r
-\r
- con = Math.pow((1 - con) / (1 + con), eccent * 0.5);\r
-\r
- var ts = Math.tan(0.5 * ((Math.PI * 0.5) - y)) / con;\r
- y = -r2 * Math.log(ts);\r
-\r
- return new L.Point(x, y);\r
- },\r
-\r
- unproject: function (point) { // (Point, Boolean) -> LatLng\r
- var d = L.LatLng.RAD_TO_DEG,\r
- r = this.R_MAJOR,\r
- r2 = this.R_MINOR,\r
- lng = point.x * d / r,\r
- tmp = r2 / r,\r
- eccent = Math.sqrt(1 - (tmp * tmp)),\r
- ts = Math.exp(- point.y / r2),\r
- phi = (Math.PI / 2) - 2 * Math.atan(ts),\r
- numIter = 15,\r
- tol = 1e-7,\r
- i = numIter,\r
- dphi = 0.1,\r
- con;\r
-\r
- while ((Math.abs(dphi) > tol) && (--i > 0)) {\r
- con = eccent * Math.sin(phi);\r
- dphi = (Math.PI / 2) - 2 * Math.atan(ts * Math.pow((1.0 - con) / (1.0 + con), 0.5 * eccent)) - phi;\r
- phi += dphi;\r
- }\r
-\r
- return new L.LatLng(phi * d, lng, true);\r
- }\r
-};\r
-
-
-\r
-L.CRS.EPSG3395 = L.Util.extend({}, L.CRS, {\r
- code: 'EPSG:3395',\r
-\r
- projection: L.Projection.Mercator,\r
-\r
- transformation: (function () {\r
- var m = L.Projection.Mercator,\r
- r = m.R_MAJOR,\r
- r2 = m.R_MINOR;\r
-\r
- return new L.Transformation(0.5 / (Math.PI * r), 0.5, -0.5 / (Math.PI * r2), 0.5);\r
- }())\r
-});\r
-
-
-/*\r
- * L.TileLayer is used for standard xyz-numbered tile layers.\r
- */\r
-\r
-L.TileLayer = L.Class.extend({\r
- includes: L.Mixin.Events,\r
-\r
- options: {\r
- minZoom: 0,\r
- maxZoom: 18,\r
- tileSize: 256,\r
- subdomains: 'abc',\r
- errorTileUrl: '',\r
- attribution: '',\r
- zoomOffset: 0,\r
- opacity: 1,\r
- /* (undefined works too)\r
- zIndex: null,\r
- tms: false,\r
- continuousWorld: false,\r
- noWrap: false,\r
- zoomReverse: false,\r
- detectRetina: false,\r
- reuseTiles: false,\r
- */\r
- unloadInvisibleTiles: L.Browser.mobile,\r
- updateWhenIdle: L.Browser.mobile\r
- },\r
-\r
- initialize: function (url, options) {\r
- options = L.Util.setOptions(this, options);\r
-\r
- // detecting retina displays, adjusting tileSize and zoom levels\r
- if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) {\r
-\r
- options.tileSize = Math.floor(options.tileSize / 2);\r
- options.zoomOffset++;\r
-\r
- if (options.minZoom > 0) {\r
- options.minZoom--;\r
- }\r
- this.options.maxZoom--;\r
- }\r
-\r
- this._url = url;\r
-\r
- var subdomains = this.options.subdomains;\r
-\r
- if (typeof subdomains === 'string') {\r
- this.options.subdomains = subdomains.split('');\r
- }\r
- },\r
-\r
- onAdd: function (map) {\r
- this._map = map;\r
-\r
- // create a container div for tiles\r
- this._initContainer();\r
-\r
- // create an image to clone for tiles\r
- this._createTileProto();\r
-\r
- // set up events\r
- map.on({\r
- 'viewreset': this._resetCallback,\r
- 'moveend': this._update\r
- }, this);\r
-\r
- if (!this.options.updateWhenIdle) {\r
- this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this);\r
- map.on('move', this._limitedUpdate, this);\r
- }\r
-\r
- this._reset();\r
- this._update();\r
- },\r
-\r
- addTo: function (map) {\r
- map.addLayer(this);\r
- return this;\r
- },\r
-\r
- onRemove: function (map) {\r
- map._panes.tilePane.removeChild(this._container);\r
-\r
- map.off({\r
- 'viewreset': this._resetCallback,\r
- 'moveend': this._update\r
- }, this);\r
-\r
- if (!this.options.updateWhenIdle) {\r
- map.off('move', this._limitedUpdate, this);\r
- }\r
-\r
- this._container = null;\r
- this._map = null;\r
- },\r
-\r
- bringToFront: function () {\r
- var pane = this._map._panes.tilePane;\r
-\r
- if (this._container) {\r
- pane.appendChild(this._container);\r
- this._setAutoZIndex(pane, Math.max);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- bringToBack: function () {\r
- var pane = this._map._panes.tilePane;\r
-\r
- if (this._container) {\r
- pane.insertBefore(this._container, pane.firstChild);\r
- this._setAutoZIndex(pane, Math.min);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- getAttribution: function () {\r
- return this.options.attribution;\r
- },\r
-\r
- setOpacity: function (opacity) {\r
- this.options.opacity = opacity;\r
-\r
- if (this._map) {\r
- this._updateOpacity();\r
- }\r
-\r
- return this;\r
- },\r
-\r
- setZIndex: function (zIndex) {\r
- this.options.zIndex = zIndex;\r
- this._updateZIndex();\r
-\r
- return this;\r
- },\r
-\r
- setUrl: function (url, noRedraw) {\r
- this._url = url;\r
-\r
- if (!noRedraw) {\r
- this.redraw();\r
- }\r
-\r
- return this;\r
- },\r
-\r
- redraw: function () {\r
- if (this._map) {\r
- this._map._panes.tilePane.empty = false;\r
- this._reset(true);\r
- this._update();\r
- }\r
- return this;\r
- },\r
-\r
- _updateZIndex: function () {\r
- if (this._container && this.options.zIndex !== undefined) {\r
- this._container.style.zIndex = this.options.zIndex;\r
- }\r
- },\r
-\r
- _setAutoZIndex: function (pane, compare) {\r
-\r
- var layers = pane.getElementsByClassName('leaflet-layer'),\r
- edgeZIndex = -compare(Infinity, -Infinity), // -Ifinity for max, Infinity for min\r
- zIndex;\r
-\r
- for (var i = 0, len = layers.length; i < len; i++) {\r
-\r
- if (layers[i] !== this._container) {\r
- zIndex = parseInt(layers[i].style.zIndex, 10);\r
-\r
- if (!isNaN(zIndex)) {\r
- edgeZIndex = compare(edgeZIndex, zIndex);\r
- }\r
- }\r
- }\r
-\r
- this.options.zIndex = this._container.style.zIndex = (isFinite(edgeZIndex) ? edgeZIndex : 0) + compare(1, -1);\r
- },\r
-\r
- _updateOpacity: function () {\r
- L.DomUtil.setOpacity(this._container, this.options.opacity);\r
-\r
- // stupid webkit hack to force redrawing of tiles\r
- var i,\r
- tiles = this._tiles;\r
-\r
- if (L.Browser.webkit) {\r
- for (i in tiles) {\r
- if (tiles.hasOwnProperty(i)) {\r
- tiles[i].style.webkitTransform += ' translate(0,0)';\r
- }\r
- }\r
- }\r
- },\r
-\r
- _initContainer: function () {\r
- var tilePane = this._map._panes.tilePane;\r
-\r
- if (!this._container || tilePane.empty) {\r
- this._container = L.DomUtil.create('div', 'leaflet-layer');\r
-\r
- this._updateZIndex();\r
-\r
- tilePane.appendChild(this._container);\r
-\r
- if (this.options.opacity < 1) {\r
- this._updateOpacity();\r
- }\r
- }\r
- },\r
-\r
- _resetCallback: function (e) {\r
- this._reset(e.hard);\r
- },\r
-\r
- _reset: function (clearOldContainer) {\r
- var key,\r
- tiles = this._tiles;\r
-\r
- for (key in tiles) {\r
- if (tiles.hasOwnProperty(key)) {\r
- this.fire('tileunload', {tile: tiles[key]});\r
- }\r
- }\r
-\r
- this._tiles = {};\r
- this._tilesToLoad = 0;\r
-\r
- if (this.options.reuseTiles) {\r
- this._unusedTiles = [];\r
- }\r
-\r
- if (clearOldContainer && this._container) {\r
- this._container.innerHTML = "";\r
- }\r
-\r
- this._initContainer();\r
- },\r
-\r
- _update: function (e) {\r
-\r
- if (!this._map) { return; }\r
-\r
- var bounds = this._map.getPixelBounds(),\r
- zoom = this._map.getZoom(),\r
- tileSize = this.options.tileSize;\r
-\r
- if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {\r
- return;\r
- }\r
-\r
- var nwTilePoint = new L.Point(\r
- Math.floor(bounds.min.x / tileSize),\r
- Math.floor(bounds.min.y / tileSize)),\r
- seTilePoint = new L.Point(\r
- Math.floor(bounds.max.x / tileSize),\r
- Math.floor(bounds.max.y / tileSize)),\r
- tileBounds = new L.Bounds(nwTilePoint, seTilePoint);\r
-\r
- this._addTilesFromCenterOut(tileBounds);\r
-\r
- if (this.options.unloadInvisibleTiles || this.options.reuseTiles) {\r
- this._removeOtherTiles(tileBounds);\r
- }\r
- },\r
-\r
- _addTilesFromCenterOut: function (bounds) {\r
- var queue = [],\r
- center = bounds.getCenter();\r
-\r
- var j, i, point;\r
-\r
- for (j = bounds.min.y; j <= bounds.max.y; j++) {\r
- for (i = bounds.min.x; i <= bounds.max.x; i++) {\r
- point = new L.Point(i, j);\r
-\r
- if (this._tileShouldBeLoaded(point)) {\r
- queue.push(point);\r
- }\r
- }\r
- }\r
-\r
- var tilesToLoad = queue.length;\r
-\r
- if (tilesToLoad === 0) { return; }\r
-\r
- // load tiles in order of their distance to center\r
- queue.sort(function (a, b) {\r
- return a.distanceTo(center) - b.distanceTo(center);\r
- });\r
-\r
- var fragment = document.createDocumentFragment();\r
-\r
- // if its the first batch of tiles to load\r
- if (!this._tilesToLoad) {\r
- this.fire('loading');\r
- }\r
-\r
- this._tilesToLoad += tilesToLoad;\r
-\r
- for (i = 0; i < tilesToLoad; i++) {\r
- this._addTile(queue[i], fragment);\r
- }\r
-\r
- this._container.appendChild(fragment);\r
- },\r
-\r
- _tileShouldBeLoaded: function (tilePoint) {\r
- if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) {\r
- return false; // already loaded\r
- }\r
-\r
- if (!this.options.continuousWorld) {\r
- var limit = this._getWrapTileNum();\r
-\r
- if (this.options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit) ||\r
- tilePoint.y < 0 || tilePoint.y >= limit) {\r
- return false; // exceeds world bounds\r
- }\r
- }\r
-\r
- return true;\r
- },\r
-\r
- _removeOtherTiles: function (bounds) {\r
- var kArr, x, y, key;\r
-\r
- for (key in this._tiles) {\r
- if (this._tiles.hasOwnProperty(key)) {\r
- kArr = key.split(':');\r
- x = parseInt(kArr[0], 10);\r
- y = parseInt(kArr[1], 10);\r
-\r
- // remove tile if it's out of bounds\r
- if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) {\r
- this._removeTile(key);\r
- }\r
- }\r
- }\r
- },\r
-\r
- _removeTile: function (key) {\r
- var tile = this._tiles[key];\r
-\r
- this.fire("tileunload", {tile: tile, url: tile.src});\r
-\r
- if (this.options.reuseTiles) {\r
- L.DomUtil.removeClass(tile, 'leaflet-tile-loaded');\r
- this._unusedTiles.push(tile);\r
- } else if (tile.parentNode === this._container) {\r
- this._container.removeChild(tile);\r
- }\r
-\r
- if (!L.Browser.android) { //For https://github.com/CloudMade/Leaflet/issues/137\r
- tile.src = L.Util.emptyImageUrl;\r
- }\r
-\r
- delete this._tiles[key];\r
- },\r
-\r
- _addTile: function (tilePoint, container) {\r
- var tilePos = this._getTilePos(tilePoint);\r
-\r
- // get unused tile - or create a new tile\r
- var tile = this._getTile();\r
-\r
- // Chrome 20 layouts much faster with top/left (Verify with timeline, frames)\r
- // android 4 browser has display issues with top/left and requires transform instead\r
- // android 3 browser not tested\r
- // android 2 browser requires top/left or tiles disappear on load or first drag (reappear after zoom) https://github.com/CloudMade/Leaflet/issues/866\r
- // (other browsers don't currently care) - see debug/hacks/jitter.html for an example\r
- L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome || L.Browser.android23);\r
-\r
- this._tiles[tilePoint.x + ':' + tilePoint.y] = tile;\r
-\r
- this._loadTile(tile, tilePoint);\r
-\r
- if (tile.parentNode !== this._container) {\r
- container.appendChild(tile);\r
- }\r
- },\r
-\r
- _getZoomForUrl: function () {\r
-\r
- var options = this.options,\r
- zoom = this._map.getZoom();\r
-\r
- if (options.zoomReverse) {\r
- zoom = options.maxZoom - zoom;\r
- }\r
-\r
- return zoom + options.zoomOffset;\r
- },\r
-\r
- _getTilePos: function (tilePoint) {\r
- var origin = this._map.getPixelOrigin(),\r
- tileSize = this.options.tileSize;\r
-\r
- return tilePoint.multiplyBy(tileSize).subtract(origin);\r
- },\r
-\r
- // image-specific code (override to implement e.g. Canvas or SVG tile layer)\r
-\r
- getTileUrl: function (tilePoint) {\r
- this._adjustTilePoint(tilePoint);\r
-\r
- return L.Util.template(this._url, L.Util.extend({\r
- s: this._getSubdomain(tilePoint),\r
- z: this._getZoomForUrl(),\r
- x: tilePoint.x,\r
- y: tilePoint.y\r
- }, this.options));\r
- },\r
-\r
- _getWrapTileNum: function () {\r
- // TODO refactor, limit is not valid for non-standard projections\r
- return Math.pow(2, this._getZoomForUrl());\r
- },\r
-\r
- _adjustTilePoint: function (tilePoint) {\r
-\r
- var limit = this._getWrapTileNum();\r
-\r
- // wrap tile coordinates\r
- if (!this.options.continuousWorld && !this.options.noWrap) {\r
- tilePoint.x = ((tilePoint.x % limit) + limit) % limit;\r
- }\r
-\r
- if (this.options.tms) {\r
- tilePoint.y = limit - tilePoint.y - 1;\r
- }\r
- },\r
-\r
- _getSubdomain: function (tilePoint) {\r
- var index = (tilePoint.x + tilePoint.y) % this.options.subdomains.length;\r
- return this.options.subdomains[index];\r
- },\r
-\r
- _createTileProto: function () {\r
- var img = this._tileImg = L.DomUtil.create('img', 'leaflet-tile');\r
- img.galleryimg = 'no';\r
-\r
- var tileSize = this.options.tileSize;\r
- img.style.width = tileSize + 'px';\r
- img.style.height = tileSize + 'px';\r
- },\r
-\r
- _getTile: function () {\r
- if (this.options.reuseTiles && this._unusedTiles.length > 0) {\r
- var tile = this._unusedTiles.pop();\r
- this._resetTile(tile);\r
- return tile;\r
- }\r
- return this._createTile();\r
- },\r
-\r
- _resetTile: function (tile) {\r
- // Override if data stored on a tile needs to be cleaned up before reuse\r
- },\r
-\r
- _createTile: function () {\r
- var tile = this._tileImg.cloneNode(false);\r
- tile.onselectstart = tile.onmousemove = L.Util.falseFn;\r
- return tile;\r
- },\r
-\r
- _loadTile: function (tile, tilePoint) {\r
- tile._layer = this;\r
- tile.onload = this._tileOnLoad;\r
- tile.onerror = this._tileOnError;\r
-\r
- tile.src = this.getTileUrl(tilePoint);\r
- },\r
-\r
- _tileLoaded: function () {\r
- this._tilesToLoad--;\r
- if (!this._tilesToLoad) {\r
- this.fire('load');\r
- }\r
- },\r
-\r
- _tileOnLoad: function (e) {\r
- var layer = this._layer;\r
-\r
- //Only if we are loading an actual image\r
- if (this.src !== L.Util.emptyImageUrl) {\r
- L.DomUtil.addClass(this, 'leaflet-tile-loaded');\r
-\r
- layer.fire('tileload', {\r
- tile: this,\r
- url: this.src\r
- });\r
- }\r
-\r
- layer._tileLoaded();\r
- },\r
-\r
- _tileOnError: function (e) {\r
- var layer = this._layer;\r
-\r
- layer.fire('tileerror', {\r
- tile: this,\r
- url: this.src\r
- });\r
-\r
- var newUrl = layer.options.errorTileUrl;\r
- if (newUrl) {\r
- this.src = newUrl;\r
- }\r
-\r
- layer._tileLoaded();\r
- }\r
-});\r
-\r
-L.tileLayer = function (url, options) {\r
- return new L.TileLayer(url, options);\r
-};\r
-
-
-L.TileLayer.WMS = L.TileLayer.extend({\r
-\r
- defaultWmsParams: {\r
- service: 'WMS',\r
- request: 'GetMap',\r
- version: '1.1.1',\r
- layers: '',\r
- styles: '',\r
- format: 'image/jpeg',\r
- transparent: false\r
- },\r
-\r
- initialize: function (url, options) { // (String, Object)\r
-\r
- this._url = url;\r
-\r
- var wmsParams = L.Util.extend({}, this.defaultWmsParams);\r
-\r
- if (options.detectRetina && L.Browser.retina) {\r
- wmsParams.width = wmsParams.height = this.options.tileSize * 2;\r
- } else {\r
- wmsParams.width = wmsParams.height = this.options.tileSize;\r
- }\r
-\r
- for (var i in options) {\r
- // all keys that are not TileLayer options go to WMS params\r
- if (!this.options.hasOwnProperty(i)) {\r
- wmsParams[i] = options[i];\r
- }\r
- }\r
-\r
- this.wmsParams = wmsParams;\r
-\r
- L.Util.setOptions(this, options);\r
- },\r
-\r
- onAdd: function (map) {\r
-\r
- var projectionKey = parseFloat(this.wmsParams.version) >= 1.3 ? 'crs' : 'srs';\r
- this.wmsParams[projectionKey] = map.options.crs.code;\r
-\r
- L.TileLayer.prototype.onAdd.call(this, map);\r
- },\r
-\r
- getTileUrl: function (tilePoint, zoom) { // (Point, Number) -> String\r
-\r
- var map = this._map,\r
- crs = map.options.crs,\r
- tileSize = this.options.tileSize,\r
-\r
- nwPoint = tilePoint.multiplyBy(tileSize),\r
- sePoint = nwPoint.add(new L.Point(tileSize, tileSize)),\r
-\r
- nw = crs.project(map.unproject(nwPoint, zoom)),\r
- se = crs.project(map.unproject(sePoint, zoom)),\r
-\r
- bbox = [nw.x, se.y, se.x, nw.y].join(','),\r
-\r
- url = L.Util.template(this._url, {s: this._getSubdomain(tilePoint)});\r
-\r
- return url + L.Util.getParamString(this.wmsParams) + "&bbox=" + bbox;\r
- },\r
-\r
- setParams: function (params, noRedraw) {\r
-\r
- L.Util.extend(this.wmsParams, params);\r
-\r
- if (!noRedraw) {\r
- this.redraw();\r
- }\r
-\r
- return this;\r
- }\r
-});\r
-\r
-L.tileLayer.wms = function (url, options) {\r
- return new L.TileLayer.WMS(url, options);\r
-};\r
-
-
-L.TileLayer.Canvas = L.TileLayer.extend({\r
- options: {\r
- async: false\r
- },\r
-\r
- initialize: function (options) {\r
- L.Util.setOptions(this, options);\r
- },\r
-\r
- redraw: function () {\r
- var i,\r
- tiles = this._tiles;\r
-\r
- for (i in tiles) {\r
- if (tiles.hasOwnProperty(i)) {\r
- this._redrawTile(tiles[i]);\r
- }\r
- }\r
- },\r
-\r
- _redrawTile: function (tile) {\r
- this.drawTile(tile, tile._tilePoint, tile._zoom);\r
- },\r
-\r
- _createTileProto: function () {\r
- var proto = this._canvasProto = L.DomUtil.create('canvas', 'leaflet-tile');\r
-\r
- var tileSize = this.options.tileSize;\r
- proto.width = tileSize;\r
- proto.height = tileSize;\r
- },\r
-\r
- _createTile: function () {\r
- var tile = this._canvasProto.cloneNode(false);\r
- tile.onselectstart = tile.onmousemove = L.Util.falseFn;\r
- return tile;\r
- },\r
-\r
- _loadTile: function (tile, tilePoint, zoom) {\r
- tile._layer = this;\r
- tile._tilePoint = tilePoint;\r
- tile._zoom = zoom;\r
-\r
- this.drawTile(tile, tilePoint, zoom);\r
-\r
- if (!this.options.async) {\r
- this.tileDrawn(tile);\r
- }\r
- },\r
-\r
- drawTile: function (tile, tilePoint, zoom) {\r
- // override with rendering code\r
- },\r
-\r
- tileDrawn: function (tile) {\r
- this._tileOnLoad.call(tile);\r
- }\r
-});\r
-\r
-\r
-L.tileLayer.canvas = function (options) {\r
- return new L.TileLayer.Canvas(options);\r
-};
-L.ImageOverlay = L.Class.extend({\r
- includes: L.Mixin.Events,\r
-\r
- options: {\r
- opacity: 1\r
- },\r
-\r
- initialize: function (url, bounds, options) { // (String, LatLngBounds, Object)\r
- this._url = url;\r
- this._bounds = L.latLngBounds(bounds);\r
-\r
- L.Util.setOptions(this, options);\r
- },\r
-\r
- onAdd: function (map) {\r
- this._map = map;\r
-\r
- if (!this._image) {\r
- this._initImage();\r
- }\r
-\r
- map._panes.overlayPane.appendChild(this._image);\r
-\r
- map.on('viewreset', this._reset, this);\r
-\r
- if (map.options.zoomAnimation && L.Browser.any3d) {\r
- map.on('zoomanim', this._animateZoom, this);\r
- }\r
-\r
- this._reset();\r
- },\r
-\r
- onRemove: function (map) {\r
- map.getPanes().overlayPane.removeChild(this._image);\r
-\r
- map.off('viewreset', this._reset, this);\r
-\r
- if (map.options.zoomAnimation) {\r
- map.off('zoomanim', this._animateZoom, this);\r
- }\r
- },\r
-\r
- addTo: function (map) {\r
- map.addLayer(this);\r
- return this;\r
- },\r
-\r
- setOpacity: function (opacity) {\r
- this.options.opacity = opacity;\r
- this._updateOpacity();\r
- return this;\r
- },\r
-\r
- // TODO remove bringToFront/bringToBack duplication from TileLayer/Path\r
- bringToFront: function () {\r
- if (this._image) {\r
- this._map._panes.overlayPane.appendChild(this._image);\r
- }\r
- return this;\r
- },\r
-\r
- bringToBack: function () {\r
- var pane = this._map._panes.overlayPane;\r
- if (this._image) {\r
- pane.insertBefore(this._image, pane.firstChild);\r
- }\r
- return this;\r
- },\r
-\r
- _initImage: function () {\r
- this._image = L.DomUtil.create('img', 'leaflet-image-layer');\r
-\r
- if (this._map.options.zoomAnimation && L.Browser.any3d) {\r
- L.DomUtil.addClass(this._image, 'leaflet-zoom-animated');\r
- } else {\r
- L.DomUtil.addClass(this._image, 'leaflet-zoom-hide');\r
- }\r
-\r
- this._updateOpacity();\r
-\r
- //TODO createImage util method to remove duplication\r
- L.Util.extend(this._image, {\r
- galleryimg: 'no',\r
- onselectstart: L.Util.falseFn,\r
- onmousemove: L.Util.falseFn,\r
- onload: L.Util.bind(this._onImageLoad, this),\r
- src: this._url\r
- });\r
- },\r
-\r
- _animateZoom: function (e) {\r
- var map = this._map,\r
- image = this._image,\r
- scale = map.getZoomScale(e.zoom),\r
- nw = this._bounds.getNorthWest(),\r
- se = this._bounds.getSouthEast(),\r
-\r
- topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center),\r
- size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft),\r
- currentSize = map.latLngToLayerPoint(se)._subtract(map.latLngToLayerPoint(nw)),\r
- origin = topLeft._add(size._subtract(currentSize)._divideBy(2));\r
-\r
- image.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') ';\r
- },\r
-\r
- _reset: function () {\r
- var image = this._image,\r
- topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),\r
- size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);\r
-\r
- L.DomUtil.setPosition(image, topLeft);\r
-\r
- image.style.width = size.x + 'px';\r
- image.style.height = size.y + 'px';\r
- },\r
-\r
- _onImageLoad: function () {\r
- this.fire('load');\r
- },\r
-\r
- _updateOpacity: function () {\r
- L.DomUtil.setOpacity(this._image, this.options.opacity);\r
- }\r
-});\r
-\r
-L.imageOverlay = function (url, bounds, options) {\r
- return new L.ImageOverlay(url, bounds, options);\r
-};\r
-
-
-L.Icon = L.Class.extend({\r
- options: {\r
- /*\r
- iconUrl: (String) (required)\r
- iconSize: (Point) (can be set through CSS)\r
- iconAnchor: (Point) (centered by default if size is specified, can be set in CSS with negative margins)\r
- popupAnchor: (Point) (if not specified, popup opens in the anchor point)\r
- shadowUrl: (Point) (no shadow by default)\r
- shadowSize: (Point)\r
- shadowAnchor: (Point)\r
- */\r
- className: ''\r
- },\r
-\r
- initialize: function (options) {\r
- L.Util.setOptions(this, options);\r
- },\r
-\r
- createIcon: function () {\r
- return this._createIcon('icon');\r
- },\r
-\r
- createShadow: function () {\r
- return this._createIcon('shadow');\r
- },\r
-\r
- _createIcon: function (name) {\r
- var src = this._getIconUrl(name);\r
-\r
- if (!src) {\r
- if (name === 'icon') {\r
- throw new Error("iconUrl not set in Icon options (see the docs).");\r
- }\r
- return null;\r
- }\r
-\r
- var img = this._createImg(src);\r
- this._setIconStyles(img, name);\r
-\r
- return img;\r
- },\r
-\r
- _setIconStyles: function (img, name) {\r
- var options = this.options,\r
- size = L.point(options[name + 'Size']),\r
- anchor;\r
-\r
- if (name === 'shadow') {\r
- anchor = L.point(options.shadowAnchor || options.iconAnchor);\r
- } else {\r
- anchor = L.point(options.iconAnchor);\r
- }\r
-\r
- if (!anchor && size) {\r
- anchor = size.divideBy(2, true);\r
- }\r
-\r
- img.className = 'leaflet-marker-' + name + ' ' + options.className;\r
-\r
- if (anchor) {\r
- img.style.marginLeft = (-anchor.x) + 'px';\r
- img.style.marginTop = (-anchor.y) + 'px';\r
- }\r
-\r
- if (size) {\r
- img.style.width = size.x + 'px';\r
- img.style.height = size.y + 'px';\r
- }\r
- },\r
-\r
- _createImg: function (src) {\r
- var el;\r
-\r
- if (!L.Browser.ie6) {\r
- el = document.createElement('img');\r
- el.src = src;\r
- } else {\r
- el = document.createElement('div');\r
- el.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';\r
- }\r
- return el;\r
- },\r
-\r
- _getIconUrl: function (name) {\r
- return this.options[name + 'Url'];\r
- }\r
-});\r
-\r
-L.icon = function (options) {\r
- return new L.Icon(options);\r
-};\r
+/*
+ * L.DomEvent contains functions for working with DOM events.
+ */
+
+L.DomEvent = {
+ /* inspired by John Resig, Dean Edwards and YUI addEvent implementations */
+ addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object])
+
+ var id = L.stamp(fn),
+ key = '_leaflet_' + type + id,
+ handler, originalHandler, newType;
+
+ if (obj[key]) { return this; }
+
+ handler = function (e) {
+ return fn.call(context || obj, e || L.DomEvent._getEvent());
+ };
+
+ if (L.Browser.pointer && type.indexOf('touch') === 0) {
+ return this.addPointerListener(obj, type, handler, id);
+ }
+ if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
+ this.addDoubleTapListener(obj, handler, id);
+ }
+
+ if ('addEventListener' in obj) {
+
+ if (type === 'mousewheel') {
+ obj.addEventListener('DOMMouseScroll', handler, false);
+ obj.addEventListener(type, handler, false);
+
+ } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
+
+ originalHandler = handler;
+ newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout');
+
+ handler = function (e) {
+ if (!L.DomEvent._checkMouse(obj, e)) { return; }
+ return originalHandler(e);
+ };
+
+ obj.addEventListener(newType, handler, false);
+
+ } else if (type === 'click' && L.Browser.android) {
+ originalHandler = handler;
+ handler = function (e) {
+ return L.DomEvent._filterClick(e, originalHandler);
+ };
+
+ obj.addEventListener(type, handler, false);
+ } else {
+ obj.addEventListener(type, handler, false);
+ }
+
+ } else if ('attachEvent' in obj) {
+ obj.attachEvent('on' + type, handler);
+ }
+
+ obj[key] = handler;
+
+ return this;
+ },
+
+ removeListener: function (obj, type, fn) { // (HTMLElement, String, Function)
+ var id = L.stamp(fn),
+ key = '_leaflet_' + type + id,
+ handler = obj[key];
+ if (!handler) { return this; }
-L.Icon.Default = L.Icon.extend({
+ if (L.Browser.pointer && type.indexOf('touch') === 0) {
+ this.removePointerListener(obj, type, id);
+ } else if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) {
+ this.removeDoubleTapListener(obj, id);
- options: {
- iconSize: new L.Point(25, 41),
- iconAnchor: new L.Point(12, 41),
- popupAnchor: new L.Point(1, -34),
+ } else if ('removeEventListener' in obj) {
+
+ if (type === 'mousewheel') {
+ obj.removeEventListener('DOMMouseScroll', handler, false);
+ obj.removeEventListener(type, handler, false);
- shadowSize: new L.Point(41, 41)
+ } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
+ obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false);
+ } else {
+ obj.removeEventListener(type, handler, false);
+ }
+ } else if ('detachEvent' in obj) {
+ obj.detachEvent('on' + type, handler);
+ }
+
+ obj[key] = null;
+
+ return this;
},
- _getIconUrl: function (name) {
- var key = name + 'Url';
+ stopPropagation: function (e) {
- if (this.options[key]) {
- return this.options[key];
+ if (e.stopPropagation) {
+ e.stopPropagation();
+ } else {
+ e.cancelBubble = true;
}
+ L.DomEvent._skipped(e);
- var path = L.Icon.Default.imagePath;
+ return this;
+ },
- if (!path) {
- throw new Error("Couldn't autodetect L.Icon.Default.imagePath, set it manually.");
+ disableScrollPropagation: function (el) {
+ var stop = L.DomEvent.stopPropagation;
+
+ return L.DomEvent
+ .on(el, 'mousewheel', stop)
+ .on(el, 'MozMousePixelScroll', stop);
+ },
+
+ disableClickPropagation: function (el) {
+ var stop = L.DomEvent.stopPropagation;
+
+ for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
+ L.DomEvent.on(el, L.Draggable.START[i], stop);
}
- return path + '/marker-' + name + '.png';
- }
-});
+ return L.DomEvent
+ .on(el, 'click', L.DomEvent._fakeStop)
+ .on(el, 'dblclick', stop);
+ },
-L.Icon.Default.imagePath = (function () {
- var scripts = document.getElementsByTagName('script'),
- leafletRe = /\/?leaflet[\-\._]?([\w\-\._]*)\.js\??/;
+ preventDefault: function (e) {
- var i, len, src, matches;
+ if (e.preventDefault) {
+ e.preventDefault();
+ } else {
+ e.returnValue = false;
+ }
+ return this;
+ },
- for (i = 0, len = scripts.length; i < len; i++) {
- src = scripts[i].src;
- matches = src.match(leafletRe);
+ stop: function (e) {
+ return L.DomEvent
+ .preventDefault(e)
+ .stopPropagation(e);
+ },
- if (matches) {
- return src.split(leafletRe)[0] + '/images';
+ getMousePosition: function (e, container) {
+ if (!container) {
+ return new L.Point(e.clientX, e.clientY);
+ }
+
+ var rect = container.getBoundingClientRect();
+
+ return new L.Point(
+ e.clientX - rect.left - container.clientLeft,
+ e.clientY - rect.top - container.clientTop);
+ },
+
+ getWheelDelta: function (e) {
+
+ var delta = 0;
+
+ if (e.wheelDelta) {
+ delta = e.wheelDelta / 120;
+ }
+ if (e.detail) {
+ delta = -e.detail / 3;
+ }
+ return delta;
+ },
+
+ _skipEvents: {},
+
+ _fakeStop: function (e) {
+ // fakes stopPropagation by setting a special event flag, checked/reset with L.DomEvent._skipped(e)
+ L.DomEvent._skipEvents[e.type] = true;
+ },
+
+ _skipped: function (e) {
+ var skipped = this._skipEvents[e.type];
+ // reset when checking, as it's only used in map container and propagates outside of the map
+ this._skipEvents[e.type] = false;
+ return skipped;
+ },
+
+ // check if element really left/entered the event target (for mouseenter/mouseleave)
+ _checkMouse: function (el, e) {
+
+ var related = e.relatedTarget;
+
+ if (!related) { return true; }
+
+ try {
+ while (related && (related !== el)) {
+ related = related.parentNode;
+ }
+ } catch (err) {
+ return false;
+ }
+ return (related !== el);
+ },
+
+ _getEvent: function () { // evil magic for IE
+ /*jshint noarg:false */
+ var e = window.event;
+ if (!e) {
+ var caller = arguments.callee.caller;
+ while (caller) {
+ e = caller['arguments'][0];
+ if (e && window.Event === e.constructor) {
+ break;
+ }
+ caller = caller.caller;
+ }
+ }
+ return e;
+ },
+
+ // this is a horrible workaround for a bug in Android where a single touch triggers two click events
+ _filterClick: function (e, handler) {
+ var timeStamp = (e.timeStamp || e.originalEvent.timeStamp),
+ elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick);
+
+ // are they closer together than 500ms yet more than 100ms?
+ // Android typically triggers them ~300ms apart while multiple listeners
+ // on the same event should be triggered far faster;
+ // or check if click is simulated on the element, and if it is, reject any non-simulated events
+
+ if ((elapsed && elapsed > 100 && elapsed < 500) || (e.target._simulatedClick && !e._simulated)) {
+ L.DomEvent.stop(e);
+ return;
}
+ L.DomEvent._lastClick = timeStamp;
+
+ return handler(e);
}
-}());
+};
+L.DomEvent.on = L.DomEvent.addListener;
+L.DomEvent.off = L.DomEvent.removeListener;
-/*\r
- * L.Marker is used to display clickable/draggable icons on the map.\r
- */\r
-\r
-L.Marker = L.Class.extend({\r
-\r
- includes: L.Mixin.Events,\r
-\r
- options: {\r
- icon: new L.Icon.Default(),\r
- title: '',\r
- clickable: true,\r
- draggable: false,\r
- zIndexOffset: 0,\r
- opacity: 1\r
- },\r
-\r
- initialize: function (latlng, options) {\r
- L.Util.setOptions(this, options);\r
- this._latlng = L.latLng(latlng);\r
- },\r
-\r
- onAdd: function (map) {\r
- this._map = map;\r
-\r
- map.on('viewreset', this.update, this);\r
-\r
- this._initIcon();\r
- this.update();\r
-\r
- if (map.options.zoomAnimation && map.options.markerZoomAnimation) {\r
- map.on('zoomanim', this._animateZoom, this);\r
- }\r
- },\r
-\r
- addTo: function (map) {\r
- map.addLayer(this);\r
- return this;\r
- },\r
-\r
- onRemove: function (map) {\r
- this._removeIcon();\r
-\r
- // TODO move to Marker.Popup.js\r
- if (this.closePopup) {\r
- this.closePopup();\r
- }\r
-\r
- map.off({\r
- 'viewreset': this.update,\r
- 'zoomanim': this._animateZoom\r
- }, this);\r
-\r
- this._map = null;\r
- },\r
-\r
- getLatLng: function () {\r
- return this._latlng;\r
- },\r
-\r
- setLatLng: function (latlng) {\r
- this._latlng = L.latLng(latlng);\r
-\r
- this.update();\r
-\r
- if (this._popup) {\r
- this._popup.setLatLng(latlng);\r
- }\r
- },\r
-\r
- setZIndexOffset: function (offset) {\r
- this.options.zIndexOffset = offset;\r
- this.update();\r
- },\r
-\r
- setIcon: function (icon) {\r
- if (this._map) {\r
- this._removeIcon();\r
- }\r
-\r
- this.options.icon = icon;\r
-\r
- if (this._map) {\r
- this._initIcon();\r
- this.update();\r
- }\r
- },\r
-\r
- update: function () {\r
- if (!this._icon) { return; }\r
-\r
- var pos = this._map.latLngToLayerPoint(this._latlng).round();\r
- this._setPos(pos);\r
- },\r
-\r
- _initIcon: function () {\r
- var options = this.options,\r
- map = this._map,\r
- animation = (map.options.zoomAnimation && map.options.markerZoomAnimation),\r
- classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide',\r
- needOpacityUpdate = false;\r
-\r
- if (!this._icon) {\r
- this._icon = options.icon.createIcon();\r
-\r
- if (options.title) {\r
- this._icon.title = options.title;\r
- }\r
-\r
- this._initInteraction();\r
- needOpacityUpdate = (this.options.opacity < 1);\r
-\r
- L.DomUtil.addClass(this._icon, classToAdd);\r
- }\r
- if (!this._shadow) {\r
- this._shadow = options.icon.createShadow();\r
-\r
- if (this._shadow) {\r
- L.DomUtil.addClass(this._shadow, classToAdd);\r
- needOpacityUpdate = (this.options.opacity < 1);\r
- }\r
- }\r
-\r
- if (needOpacityUpdate) {\r
- this._updateOpacity();\r
- }\r
-\r
- var panes = this._map._panes;\r
-\r
- panes.markerPane.appendChild(this._icon);\r
-\r
- if (this._shadow) {\r
- panes.shadowPane.appendChild(this._shadow);\r
- }\r
- },\r
-\r
- _removeIcon: function () {\r
- var panes = this._map._panes;\r
-\r
- panes.markerPane.removeChild(this._icon);\r
-\r
- if (this._shadow) {\r
- panes.shadowPane.removeChild(this._shadow);\r
- }\r
-\r
- this._icon = this._shadow = null;\r
- },\r
-\r
- _setPos: function (pos) {\r
- L.DomUtil.setPosition(this._icon, pos);\r
-\r
- if (this._shadow) {\r
- L.DomUtil.setPosition(this._shadow, pos);\r
- }\r
-\r
- this._icon.style.zIndex = pos.y + this.options.zIndexOffset;\r
- },\r
-\r
- _animateZoom: function (opt) {\r
- var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);\r
-\r
- this._setPos(pos);\r
- },\r
-\r
- _initInteraction: function () {\r
- if (!this.options.clickable) {\r
- return;\r
- }\r
-\r
- var icon = this._icon,\r
- events = ['dblclick', 'mousedown', 'mouseover', 'mouseout'];\r
-\r
- L.DomUtil.addClass(icon, 'leaflet-clickable');\r
- L.DomEvent.on(icon, 'click', this._onMouseClick, this);\r
-\r
- for (var i = 0; i < events.length; i++) {\r
- L.DomEvent.on(icon, events[i], this._fireMouseEvent, this);\r
- }\r
-\r
- if (L.Handler.MarkerDrag) {\r
- this.dragging = new L.Handler.MarkerDrag(this);\r
-\r
- if (this.options.draggable) {\r
- this.dragging.enable();\r
- }\r
- }\r
- },\r
-\r
- _onMouseClick: function (e) {\r
- if (this.hasEventListeners(e.type)) {\r
- L.DomEvent.stopPropagation(e);\r
- }\r
- if (this.dragging && this.dragging.moved()) { return; }\r
- if (this._map.dragging && this._map.dragging.moved()) { return; }\r
- this.fire(e.type, {\r
- originalEvent: e\r
- });\r
- },\r
-\r
- _fireMouseEvent: function (e) {\r
- this.fire(e.type, {\r
- originalEvent: e\r
- });\r
- if (e.type !== 'mousedown') {\r
- L.DomEvent.stopPropagation(e);\r
- }\r
- },\r
-\r
- setOpacity: function (opacity) {\r
- this.options.opacity = opacity;\r
- if (this._map) {\r
- this._updateOpacity();\r
- }\r
- },\r
-\r
- _updateOpacity: function () {\r
- L.DomUtil.setOpacity(this._icon, this.options.opacity);\r
- if (this._shadow) {\r
- L.DomUtil.setOpacity(this._shadow, this.options.opacity);\r
- }\r
- }\r
-});\r
-\r
-L.marker = function (latlng, options) {\r
- return new L.Marker(latlng, options);\r
-};\r
+/*
+ * L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too.
+ */
-L.DivIcon = L.Icon.extend({
- options: {
- iconSize: new L.Point(12, 12), // also can be set through CSS
- /*
- iconAnchor: (Point)
- popupAnchor: (Point)
- html: (String)
- bgPos: (Point)
- */
- className: 'leaflet-div-icon'
+L.Draggable = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ statics: {
+ START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'],
+ END: {
+ mousedown: 'mouseup',
+ touchstart: 'touchend',
+ pointerdown: 'touchend',
+ MSPointerDown: 'touchend'
+ },
+ MOVE: {
+ mousedown: 'mousemove',
+ touchstart: 'touchmove',
+ pointerdown: 'touchmove',
+ MSPointerDown: 'touchmove'
+ }
},
- createIcon: function () {
- var div = document.createElement('div'),
- options = this.options;
+ initialize: function (element, dragStartTarget) {
+ this._element = element;
+ this._dragStartTarget = dragStartTarget || element;
+ },
- if (options.html) {
- div.innerHTML = options.html;
+ enable: function () {
+ if (this._enabled) { return; }
+
+ for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
+ L.DomEvent.on(this._dragStartTarget, L.Draggable.START[i], this._onDown, this);
}
- if (options.bgPos) {
- div.style.backgroundPosition =
- (-options.bgPos.x) + 'px ' + (-options.bgPos.y) + 'px';
+ this._enabled = true;
+ },
+
+ disable: function () {
+ if (!this._enabled) { return; }
+
+ for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
+ L.DomEvent.off(this._dragStartTarget, L.Draggable.START[i], this._onDown, this);
}
- this._setIconStyles(div, 'icon');
- return div;
+ this._enabled = false;
+ this._moved = false;
},
- createShadow: function () {
- return null;
- }
-});
+ _onDown: function (e) {
+ this._moved = false;
-L.divIcon = function (options) {
- return new L.DivIcon(options);
-};
+ if (e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
+ L.DomEvent.stopPropagation(e);
-\r
-L.Map.mergeOptions({\r
- closePopupOnClick: true\r
-});\r
-\r
-L.Popup = L.Class.extend({\r
- includes: L.Mixin.Events,\r
-\r
- options: {\r
- minWidth: 50,\r
- maxWidth: 300,\r
- maxHeight: null,\r
- autoPan: true,\r
- closeButton: true,\r
- offset: new L.Point(0, 6),\r
- autoPanPadding: new L.Point(5, 5),\r
- className: ''\r
- },\r
-\r
- initialize: function (options, source) {\r
- L.Util.setOptions(this, options);\r
-\r
- this._source = source;\r
- },\r
-\r
- onAdd: function (map) {\r
- this._map = map;\r
-\r
- if (!this._container) {\r
- this._initLayout();\r
- }\r
- this._updateContent();\r
-\r
- var animFade = map.options.fadeAnimation;\r
-\r
- if (animFade) {\r
- L.DomUtil.setOpacity(this._container, 0);\r
- }\r
- map._panes.popupPane.appendChild(this._container);\r
-\r
- map.on('viewreset', this._updatePosition, this);\r
-\r
- if (L.Browser.any3d) {\r
- map.on('zoomanim', this._zoomAnimation, this);\r
- }\r
-\r
- if (map.options.closePopupOnClick) {\r
- map.on('preclick', this._close, this);\r
- }\r
-\r
- this._update();\r
-\r
- if (animFade) {\r
- L.DomUtil.setOpacity(this._container, 1);\r
- }\r
- },\r
-\r
- addTo: function (map) {\r
- map.addLayer(this);\r
- return this;\r
- },\r
-\r
- openOn: function (map) {\r
- map.openPopup(this);\r
- return this;\r
- },\r
-\r
- onRemove: function (map) {\r
- map._panes.popupPane.removeChild(this._container);\r
-\r
- L.Util.falseFn(this._container.offsetWidth); // force reflow\r
-\r
- map.off({\r
- viewreset: this._updatePosition,\r
- preclick: this._close,\r
- zoomanim: this._zoomAnimation\r
- }, this);\r
-\r
- if (map.options.fadeAnimation) {\r
- L.DomUtil.setOpacity(this._container, 0);\r
- }\r
-\r
- this._map = null;\r
- },\r
-\r
- setLatLng: function (latlng) {\r
- this._latlng = L.latLng(latlng);\r
- this._update();\r
- return this;\r
- },\r
-\r
- setContent: function (content) {\r
- this._content = content;\r
- this._update();\r
- return this;\r
- },\r
-\r
- _close: function () {\r
- var map = this._map;\r
-\r
- if (map) {\r
- map._popup = null;\r
-\r
- map\r
- .removeLayer(this)\r
- .fire('popupclose', {popup: this});\r
- }\r
- },\r
-\r
- _initLayout: function () {\r
- var prefix = 'leaflet-popup',\r
- container = this._container = L.DomUtil.create('div', prefix + ' ' + this.options.className + ' leaflet-zoom-animated'),\r
- closeButton;\r
-\r
- if (this.options.closeButton) {\r
- closeButton = this._closeButton = L.DomUtil.create('a', prefix + '-close-button', container);\r
- closeButton.href = '#close';\r
- closeButton.innerHTML = '×';\r
-\r
- L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);\r
- }\r
-\r
- var wrapper = this._wrapper = L.DomUtil.create('div', prefix + '-content-wrapper', container);\r
- L.DomEvent.disableClickPropagation(wrapper);\r
-\r
- this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);\r
- L.DomEvent.on(this._contentNode, 'mousewheel', L.DomEvent.stopPropagation);\r
-\r
- this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);\r
- this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);\r
- },\r
-\r
- _update: function () {\r
- if (!this._map) { return; }\r
-\r
- this._container.style.visibility = 'hidden';\r
-\r
- this._updateContent();\r
- this._updateLayout();\r
- this._updatePosition();\r
-\r
- this._container.style.visibility = '';\r
-\r
- this._adjustPan();\r
- },\r
-\r
- _updateContent: function () {\r
- if (!this._content) { return; }\r
-\r
- if (typeof this._content === 'string') {\r
- this._contentNode.innerHTML = this._content;\r
- } else {\r
- while (this._contentNode.hasChildNodes()) {\r
- this._contentNode.removeChild(this._contentNode.firstChild);\r
- }\r
- this._contentNode.appendChild(this._content);\r
- }\r
- this.fire('contentupdate');\r
- },\r
-\r
- _updateLayout: function () {\r
- var container = this._contentNode,\r
- style = container.style;\r
-\r
- style.width = '';\r
- style.whiteSpace = 'nowrap';\r
-\r
- var width = container.offsetWidth;\r
- width = Math.min(width, this.options.maxWidth);\r
- width = Math.max(width, this.options.minWidth);\r
-\r
- style.width = (width + 1) + 'px';\r
- style.whiteSpace = '';\r
-\r
- style.height = '';\r
-\r
- var height = container.offsetHeight,\r
- maxHeight = this.options.maxHeight,\r
- scrolledClass = 'leaflet-popup-scrolled';\r
-\r
- if (maxHeight && height > maxHeight) {\r
- style.height = maxHeight + 'px';\r
- L.DomUtil.addClass(container, scrolledClass);\r
- } else {\r
- L.DomUtil.removeClass(container, scrolledClass);\r
- }\r
-\r
- this._containerWidth = this._container.offsetWidth;\r
- },\r
-\r
- _updatePosition: function () {\r
- var pos = this._map.latLngToLayerPoint(this._latlng),\r
- is3d = L.Browser.any3d,\r
- offset = this.options.offset;\r
-\r
- if (is3d) {\r
- L.DomUtil.setPosition(this._container, pos);\r
- }\r
-\r
- this._containerBottom = -offset.y - (is3d ? 0 : pos.y);\r
- this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (is3d ? 0 : pos.x);\r
-\r
- //Bottom position the popup in case the height of the popup changes (images loading etc)\r
- this._container.style.bottom = this._containerBottom + 'px';\r
- this._container.style.left = this._containerLeft + 'px';\r
- },\r
-\r
- _zoomAnimation: function (opt) {\r
- var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);\r
-\r
- L.DomUtil.setPosition(this._container, pos);\r
- },\r
-\r
- _adjustPan: function () {\r
- if (!this.options.autoPan) { return; }\r
-\r
- var map = this._map,\r
- containerHeight = this._container.offsetHeight,\r
- containerWidth = this._containerWidth,\r
-\r
- layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);\r
-\r
- if (L.Browser.any3d) {\r
- layerPos._add(L.DomUtil.getPosition(this._container));\r
- }\r
-\r
- var containerPos = map.layerPointToContainerPoint(layerPos),\r
- padding = this.options.autoPanPadding,\r
- size = map.getSize(),\r
- dx = 0,\r
- dy = 0;\r
-\r
- if (containerPos.x < 0) {\r
- dx = containerPos.x - padding.x;\r
- }\r
- if (containerPos.x + containerWidth > size.x) {\r
- dx = containerPos.x + containerWidth - size.x + padding.x;\r
- }\r
- if (containerPos.y < 0) {\r
- dy = containerPos.y - padding.y;\r
- }\r
- if (containerPos.y + containerHeight > size.y) {\r
- dy = containerPos.y + containerHeight - size.y + padding.y;\r
- }\r
-\r
- if (dx || dy) {\r
- map.panBy(new L.Point(dx, dy));\r
- }\r
- },\r
-\r
- _onCloseButtonClick: function (e) {\r
- this._close();\r
- L.DomEvent.stop(e);\r
- }\r
-});\r
-\r
-L.popup = function (options, source) {\r
- return new L.Popup(options, source);\r
-};\r
-
-
-/*\r
- * Popup extension to L.Marker, adding openPopup & bindPopup methods.\r
- */\r
-\r
-L.Marker.include({\r
- openPopup: function () {\r
- if (this._popup && this._map) {\r
- this._popup.setLatLng(this._latlng);\r
- this._map.openPopup(this._popup);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- closePopup: function () {\r
- if (this._popup) {\r
- this._popup._close();\r
- }\r
- return this;\r
- },\r
-\r
- bindPopup: function (content, options) {\r
- var anchor = L.point(this.options.icon.options.popupAnchor) || new L.Point(0, 0);\r
-\r
- anchor = anchor.add(L.Popup.prototype.options.offset);\r
-\r
- if (options && options.offset) {\r
- anchor = anchor.add(options.offset);\r
- }\r
-\r
- options = L.Util.extend({offset: anchor}, options);\r
-\r
- if (!this._popup) {\r
- this.on('click', this.openPopup, this);\r
- }\r
-\r
- this._popup = new L.Popup(options, this)\r
- .setContent(content);\r
-\r
- return this;\r
- },\r
-\r
- unbindPopup: function () {\r
- if (this._popup) {\r
- this._popup = null;\r
- this.off('click', this.openPopup);\r
- }\r
- return this;\r
- }\r
-});\r
-
-
-\r
-L.Map.include({\r
- openPopup: function (popup) {\r
- this.closePopup();\r
-\r
- this._popup = popup;\r
-\r
- return this\r
- .addLayer(popup)\r
- .fire('popupopen', {popup: this._popup});\r
- },\r
-\r
- closePopup: function () {\r
- if (this._popup) {\r
- this._popup._close();\r
- }\r
- return this;\r
- }\r
-});
+ if (L.Draggable._disabled) { return; }
-/*\r
- * L.LayerGroup is a class to combine several layers so you can manipulate the group (e.g. add/remove it) as one layer.\r
- */\r
-\r
-L.LayerGroup = L.Class.extend({\r
- initialize: function (layers) {\r
- this._layers = {};\r
-\r
- var i, len;\r
-\r
- if (layers) {\r
- for (i = 0, len = layers.length; i < len; i++) {\r
- this.addLayer(layers[i]);\r
- }\r
- }\r
- },\r
-\r
- addLayer: function (layer) {\r
- var id = L.Util.stamp(layer);\r
-\r
- this._layers[id] = layer;\r
-\r
- if (this._map) {\r
- this._map.addLayer(layer);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- removeLayer: function (layer) {\r
- var id = L.Util.stamp(layer);\r
-\r
- delete this._layers[id];\r
-\r
- if (this._map) {\r
- this._map.removeLayer(layer);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- clearLayers: function () {\r
- this.eachLayer(this.removeLayer, this);\r
- return this;\r
- },\r
-\r
- invoke: function (methodName) {\r
- var args = Array.prototype.slice.call(arguments, 1),\r
- i, layer;\r
-\r
- for (i in this._layers) {\r
- if (this._layers.hasOwnProperty(i)) {\r
- layer = this._layers[i];\r
-\r
- if (layer[methodName]) {\r
- layer[methodName].apply(layer, args);\r
- }\r
- }\r
- }\r
-\r
- return this;\r
- },\r
-\r
- onAdd: function (map) {\r
- this._map = map;\r
- this.eachLayer(map.addLayer, map);\r
- },\r
-\r
- onRemove: function (map) {\r
- this.eachLayer(map.removeLayer, map);\r
- this._map = null;\r
- },\r
-\r
- addTo: function (map) {\r
- map.addLayer(this);\r
- return this;\r
- },\r
-\r
- eachLayer: function (method, context) {\r
- for (var i in this._layers) {\r
- if (this._layers.hasOwnProperty(i)) {\r
- method.call(context, this._layers[i]);\r
- }\r
- }\r
- }\r
-});\r
-\r
-L.layerGroup = function (layers) {\r
- return new L.LayerGroup(layers);\r
-};\r
-
-
-/*\r
- * L.FeatureGroup extends L.LayerGroup by introducing mouse events and bindPopup method shared between a group of layers.\r
- */\r
-\r
-L.FeatureGroup = L.LayerGroup.extend({\r
- includes: L.Mixin.Events,\r
-\r
- addLayer: function (layer) {\r
- if (this._layers[L.Util.stamp(layer)]) {\r
- return this;\r
- }\r
-\r
- layer.on('click dblclick mouseover mouseout mousemove contextmenu', this._propagateEvent, this);\r
-\r
- L.LayerGroup.prototype.addLayer.call(this, layer);\r
-\r
- if (this._popupContent && layer.bindPopup) {\r
- layer.bindPopup(this._popupContent);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- removeLayer: function (layer) {\r
- layer.off('click dblclick mouseover mouseout mousemove contextmenu', this._propagateEvent, this);\r
-\r
- L.LayerGroup.prototype.removeLayer.call(this, layer);\r
-\r
- if (this._popupContent) {\r
- return this.invoke('unbindPopup');\r
- } else {\r
- return this;\r
- }\r
- },\r
-\r
- bindPopup: function (content) {\r
- this._popupContent = content;\r
- return this.invoke('bindPopup', content);\r
- },\r
-\r
- setStyle: function (style) {\r
- return this.invoke('setStyle', style);\r
- },\r
-\r
- bringToFront: function () {\r
- return this.invoke('bringToFront');\r
- },\r
-\r
- bringToBack: function () {\r
- return this.invoke('bringToBack');\r
- },\r
-\r
- getBounds: function () {\r
- var bounds = new L.LatLngBounds();\r
- this.eachLayer(function (layer) {\r
- bounds.extend(layer instanceof L.Marker ? layer.getLatLng() : layer.getBounds());\r
- }, this);\r
- return bounds;\r
- },\r
-\r
- _propagateEvent: function (e) {\r
- e.layer = e.target;\r
- e.target = this;\r
-\r
- this.fire(e.type, e);\r
- }\r
-});\r
-\r
-L.featureGroup = function (layers) {\r
- return new L.FeatureGroup(layers);\r
-};\r
-
-
-/*\r
- * L.Path is a base class for rendering vector paths on a map. It's inherited by Polyline, Circle, etc.\r
- */\r
-\r
-L.Path = L.Class.extend({\r
- includes: [L.Mixin.Events],\r
-\r
- statics: {\r
- // how much to extend the clip area around the map view\r
- // (relative to its size, e.g. 0.5 is half the screen in each direction)\r
- // set in such way that SVG element doesn't exceed 1280px (vector layers flicker on dragend if it is)\r
- CLIP_PADDING: L.Browser.mobile ?\r
- Math.max(0, Math.min(0.5,\r
- (1280 / Math.max(window.innerWidth, window.innerHeight) - 1) / 2))\r
- : 0.5\r
- },\r
-\r
- options: {\r
- stroke: true,\r
- color: '#0033ff',\r
- dashArray: null,\r
- weight: 5,\r
- opacity: 0.5,\r
-\r
- fill: false,\r
- fillColor: null, //same as color by default\r
- fillOpacity: 0.2,\r
-\r
- clickable: true\r
- },\r
-\r
- initialize: function (options) {\r
- L.Util.setOptions(this, options);\r
- },\r
-\r
- onAdd: function (map) {\r
- this._map = map;\r
-\r
- if (!this._container) {\r
- this._initElements();\r
- this._initEvents();\r
- }\r
-\r
- this.projectLatlngs();\r
- this._updatePath();\r
-\r
- if (this._container) {\r
- this._map._pathRoot.appendChild(this._container);\r
- }\r
-\r
- map.on({\r
- 'viewreset': this.projectLatlngs,\r
- 'moveend': this._updatePath\r
- }, this);\r
- },\r
-\r
- addTo: function (map) {\r
- map.addLayer(this);\r
- return this;\r
- },\r
-\r
- onRemove: function (map) {\r
- map._pathRoot.removeChild(this._container);\r
-\r
- this._map = null;\r
-\r
- if (L.Browser.vml) {\r
- this._container = null;\r
- this._stroke = null;\r
- this._fill = null;\r
- }\r
-\r
- map.off({\r
- 'viewreset': this.projectLatlngs,\r
- 'moveend': this._updatePath\r
- }, this);\r
- },\r
-\r
- projectLatlngs: function () {\r
- // do all projection stuff here\r
- },\r
-\r
- setStyle: function (style) {\r
- L.Util.setOptions(this, style);\r
-\r
- if (this._container) {\r
- this._updateStyle();\r
- }\r
-\r
- return this;\r
- },\r
-\r
- redraw: function () {\r
- if (this._map) {\r
- this.projectLatlngs();\r
- this._updatePath();\r
- }\r
- return this;\r
- }\r
-});\r
-\r
-L.Map.include({\r
- _updatePathViewport: function () {\r
- var p = L.Path.CLIP_PADDING,\r
- size = this.getSize(),\r
- panePos = L.DomUtil.getPosition(this._mapPane),\r
- min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)._round()),\r
- max = min.add(size.multiplyBy(1 + p * 2)._round());\r
-\r
- this._pathViewport = new L.Bounds(min, max);\r
- }\r
-});\r
-
-
-L.Path.SVG_NS = 'http://www.w3.org/2000/svg';\r
-\r
-L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect);\r
-\r
-L.Path = L.Path.extend({\r
- statics: {\r
- SVG: L.Browser.svg\r
- },\r
-\r
- bringToFront: function () {\r
- var root = this._map._pathRoot,\r
- path = this._container;\r
-\r
- if (path && root.lastChild !== path) {\r
- root.appendChild(path);\r
- }\r
- return this;\r
- },\r
-\r
- bringToBack: function () {\r
- var root = this._map._pathRoot,\r
- path = this._container,\r
- first = root.firstChild;\r
-\r
- if (path && first !== path) {\r
- root.insertBefore(path, first);\r
- }\r
- return this;\r
- },\r
-\r
- getPathString: function () {\r
- // form path string here\r
- },\r
-\r
- _createElement: function (name) {\r
- return document.createElementNS(L.Path.SVG_NS, name);\r
- },\r
-\r
- _initElements: function () {\r
- this._map._initPathRoot();\r
- this._initPath();\r
- this._initStyle();\r
- },\r
-\r
- _initPath: function () {\r
- this._container = this._createElement('g');\r
-\r
- this._path = this._createElement('path');\r
- this._container.appendChild(this._path);\r
- },\r
-\r
- _initStyle: function () {\r
- if (this.options.stroke) {\r
- this._path.setAttribute('stroke-linejoin', 'round');\r
- this._path.setAttribute('stroke-linecap', 'round');\r
- }\r
- if (this.options.fill) {\r
- this._path.setAttribute('fill-rule', 'evenodd');\r
- }\r
- this._updateStyle();\r
- },\r
-\r
- _updateStyle: function () {\r
- if (this.options.stroke) {\r
- this._path.setAttribute('stroke', this.options.color);\r
- this._path.setAttribute('stroke-opacity', this.options.opacity);\r
- this._path.setAttribute('stroke-width', this.options.weight);\r
- if (this.options.dashArray) {\r
- this._path.setAttribute('stroke-dasharray', this.options.dashArray);\r
- } else {\r
- this._path.removeAttribute('stroke-dasharray');\r
- }\r
- } else {\r
- this._path.setAttribute('stroke', 'none');\r
- }\r
- if (this.options.fill) {\r
- this._path.setAttribute('fill', this.options.fillColor || this.options.color);\r
- this._path.setAttribute('fill-opacity', this.options.fillOpacity);\r
- } else {\r
- this._path.setAttribute('fill', 'none');\r
- }\r
- },\r
-\r
- _updatePath: function () {\r
- var str = this.getPathString();\r
- if (!str) {\r
- // fix webkit empty string parsing bug\r
- str = 'M0 0';\r
- }\r
- this._path.setAttribute('d', str);\r
- },\r
-\r
- // TODO remove duplication with L.Map\r
- _initEvents: function () {\r
- if (this.options.clickable) {\r
- if (L.Browser.svg || !L.Browser.vml) {\r
- this._path.setAttribute('class', 'leaflet-clickable');\r
- }\r
-\r
- L.DomEvent.on(this._container, 'click', this._onMouseClick, this);\r
-\r
- var events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'mousemove', 'contextmenu'];\r
- for (var i = 0; i < events.length; i++) {\r
- L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);\r
- }\r
- }\r
- },\r
-\r
- _onMouseClick: function (e) {\r
- if (this._map.dragging && this._map.dragging.moved()) {\r
- return;\r
- }\r
-\r
- this._fireMouseEvent(e);\r
-\r
- if (this.hasEventListeners(e.type)) {\r
- L.DomEvent.stopPropagation(e);\r
- }\r
- },\r
-\r
- _fireMouseEvent: function (e) {\r
- if (!this.hasEventListeners(e.type)) {\r
- return;\r
- }\r
-\r
- if (e.type === 'contextmenu') {\r
- L.DomEvent.preventDefault(e);\r
- }\r
-\r
- var map = this._map,\r
- containerPoint = map.mouseEventToContainerPoint(e),\r
- layerPoint = map.containerPointToLayerPoint(containerPoint),\r
- latlng = map.layerPointToLatLng(layerPoint);\r
-\r
- this.fire(e.type, {\r
- latlng: latlng,\r
- layerPoint: layerPoint,\r
- containerPoint: containerPoint,\r
- originalEvent: e\r
- });\r
- }\r
-});\r
-\r
-L.Map.include({\r
- _initPathRoot: function () {\r
- if (!this._pathRoot) {\r
- this._pathRoot = L.Path.prototype._createElement('svg');\r
- this._panes.overlayPane.appendChild(this._pathRoot);\r
-\r
- if (this.options.zoomAnimation && L.Browser.any3d) {\r
- this._pathRoot.setAttribute('class', ' leaflet-zoom-animated');\r
-\r
- this.on({\r
- 'zoomanim': this._animatePathZoom,\r
- 'zoomend': this._endPathZoom\r
- });\r
- } else {\r
- this._pathRoot.setAttribute('class', ' leaflet-zoom-hide');\r
- }\r
-\r
- this.on('moveend', this._updateSvgViewport);\r
- this._updateSvgViewport();\r
- }\r
- },\r
-\r
- _animatePathZoom: function (opt) {\r
- var scale = this.getZoomScale(opt.zoom),\r
- offset = this._getCenterOffset(opt.center).divideBy(1 - 1 / scale),\r
- viewportPos = this.containerPointToLayerPoint(this.getSize().multiplyBy(-L.Path.CLIP_PADDING)),\r
- origin = viewportPos.add(offset).round();\r
-\r
- this._pathRoot.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString((origin.multiplyBy(-1).add(L.DomUtil.getPosition(this._pathRoot)).multiplyBy(scale).add(origin))) + ' scale(' + scale + ') ';\r
-\r
- this._pathZooming = true;\r
- },\r
-\r
- _endPathZoom: function () {\r
- this._pathZooming = false;\r
- },\r
-\r
- _updateSvgViewport: function () {\r
- if (this._pathZooming) {\r
- // Do not update SVGs while a zoom animation is going on otherwise the animation will break.\r
- // When the zoom animation ends we will be updated again anyway\r
- // This fixes the case where you do a momentum move and zoom while the move is still ongoing.\r
- return;\r
- }\r
-\r
- this._updatePathViewport();\r
-\r
- var vp = this._pathViewport,\r
- min = vp.min,\r
- max = vp.max,\r
- width = max.x - min.x,\r
- height = max.y - min.y,\r
- root = this._pathRoot,\r
- pane = this._panes.overlayPane;\r
-\r
- // Hack to make flicker on drag end on mobile webkit less irritating\r
- if (L.Browser.mobileWebkit) {\r
- pane.removeChild(root);\r
- }\r
-\r
- L.DomUtil.setPosition(root, min);\r
- root.setAttribute('width', width);\r
- root.setAttribute('height', height);\r
- root.setAttribute('viewBox', [min.x, min.y, width, height].join(' '));\r
-\r
- if (L.Browser.mobileWebkit) {\r
- pane.appendChild(root);\r
- }\r
- }\r
-});\r
-
-
-/*\r
- * Popup extension to L.Path (polylines, polygons, circles), adding bindPopup method.\r
- */\r
-\r
-L.Path.include({\r
-\r
- bindPopup: function (content, options) {\r
-\r
- if (!this._popup || this._popup.options !== options) {\r
- this._popup = new L.Popup(options, this);\r
- }\r
-\r
- this._popup.setContent(content);\r
-\r
- if (!this._openPopupAdded) {\r
- this.on('click', this._openPopup, this);\r
- this._openPopupAdded = true;\r
- }\r
-\r
- return this;\r
- },\r
-\r
- openPopup: function (latlng) {\r
-\r
- if (this._popup) {\r
- latlng = latlng || this._latlng ||\r
- this._latlngs[Math.floor(this._latlngs.length / 2)];\r
-\r
- this._openPopup({latlng: latlng});\r
- }\r
-\r
- return this;\r
- },\r
-\r
- _openPopup: function (e) {\r
- this._popup.setLatLng(e.latlng);\r
- this._map.openPopup(this._popup);\r
- }\r
-});\r
-
-
-/*\r
- * Vector rendering for IE6-8 through VML.\r
- * Thanks to Dmitry Baranovsky and his Raphael library for inspiration!\r
- */\r
-\r
-L.Browser.vml = !L.Browser.svg && (function () {\r
- try {\r
- var div = document.createElement('div');\r
- div.innerHTML = '<v:shape adj="1"/>';\r
-\r
- var shape = div.firstChild;\r
- shape.style.behavior = 'url(#default#VML)';\r
-\r
- return shape && (typeof shape.adj === 'object');\r
- } catch (e) {\r
- return false;\r
- }\r
-}());\r
-\r
-L.Path = L.Browser.svg || !L.Browser.vml ? L.Path : L.Path.extend({\r
- statics: {\r
- VML: true,\r
- CLIP_PADDING: 0.02\r
- },\r
-\r
- _createElement: (function () {\r
- try {\r
- document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');\r
- return function (name) {\r
- return document.createElement('<lvml:' + name + ' class="lvml">');\r
- };\r
- } catch (e) {\r
- return function (name) {\r
- return document.createElement('<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');\r
- };\r
- }\r
- }()),\r
-\r
- _initPath: function () {\r
- var container = this._container = this._createElement('shape');\r
- L.DomUtil.addClass(container, 'leaflet-vml-shape');\r
- if (this.options.clickable) {\r
- L.DomUtil.addClass(container, 'leaflet-clickable');\r
- }\r
- container.coordsize = '1 1';\r
-\r
- this._path = this._createElement('path');\r
- container.appendChild(this._path);\r
-\r
- this._map._pathRoot.appendChild(container);\r
- },\r
-\r
- _initStyle: function () {\r
- this._updateStyle();\r
- },\r
-\r
- _updateStyle: function () {\r
- var stroke = this._stroke,\r
- fill = this._fill,\r
- options = this.options,\r
- container = this._container;\r
-\r
- container.stroked = options.stroke;\r
- container.filled = options.fill;\r
-\r
- if (options.stroke) {\r
- if (!stroke) {\r
- stroke = this._stroke = this._createElement('stroke');\r
- stroke.endcap = 'round';\r
- container.appendChild(stroke);\r
- }\r
- stroke.weight = options.weight + 'px';\r
- stroke.color = options.color;\r
- stroke.opacity = options.opacity;\r
- if (options.dashArray) {\r
- stroke.dashStyle = options.dashArray.replace(/ *, */g, ' ');\r
- } else {\r
- stroke.dashStyle = '';\r
- }\r
- } else if (stroke) {\r
- container.removeChild(stroke);\r
- this._stroke = null;\r
- }\r
-\r
- if (options.fill) {\r
- if (!fill) {\r
- fill = this._fill = this._createElement('fill');\r
- container.appendChild(fill);\r
- }\r
- fill.color = options.fillColor || options.color;\r
- fill.opacity = options.fillOpacity;\r
- } else if (fill) {\r
- container.removeChild(fill);\r
- this._fill = null;\r
- }\r
- },\r
-\r
- _updatePath: function () {\r
- var style = this._container.style;\r
-\r
- style.display = 'none';\r
- this._path.v = this.getPathString() + ' '; // the space fixes IE empty path string bug\r
- style.display = '';\r
- }\r
-});\r
-\r
-L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : {\r
- _initPathRoot: function () {\r
- if (this._pathRoot) { return; }\r
-\r
- var root = this._pathRoot = document.createElement('div');\r
- root.className = 'leaflet-vml-container';\r
- this._panes.overlayPane.appendChild(root);\r
-\r
- this.on('moveend', this._updatePathViewport);\r
- this._updatePathViewport();\r
- }\r
-});\r
-
-
-/*\r
- * Vector rendering for all browsers that support canvas.\r
- */\r
-\r
-L.Browser.canvas = (function () {\r
- return !!document.createElement('canvas').getContext;\r
-}());\r
-\r
-L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path : L.Path.extend({\r
- statics: {\r
- //CLIP_PADDING: 0.02, // not sure if there's a need to set it to a small value\r
- CANVAS: true,\r
- SVG: false\r
- },\r
-\r
- redraw: function () {\r
- if (this._map) {\r
- this.projectLatlngs();\r
- this._requestUpdate();\r
- }\r
- return this;\r
- },\r
-\r
- setStyle: function (style) {\r
- L.Util.setOptions(this, style);\r
-\r
- if (this._map) {\r
- this._updateStyle();\r
- this._requestUpdate();\r
- }\r
- return this;\r
- },\r
-\r
- onRemove: function (map) {\r
- map\r
- .off('viewreset', this.projectLatlngs, this)\r
- .off('moveend', this._updatePath, this);\r
-\r
- this._requestUpdate();\r
-\r
- this._map = null;\r
- },\r
-\r
- _requestUpdate: function () {\r
- if (this._map && !L.Path._updateRequest) {\r
- L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map);\r
- }\r
- },\r
-\r
- _fireMapMoveEnd: function () {\r
- L.Path._updateRequest = null;\r
- this.fire('moveend');\r
- },\r
-\r
- _initElements: function () {\r
- this._map._initPathRoot();\r
- this._ctx = this._map._canvasCtx;\r
- },\r
-\r
- _updateStyle: function () {\r
- var options = this.options;\r
-\r
- if (options.stroke) {\r
- this._ctx.lineWidth = options.weight;\r
- this._ctx.strokeStyle = options.color;\r
- }\r
- if (options.fill) {\r
- this._ctx.fillStyle = options.fillColor || options.color;\r
- }\r
- },\r
-\r
- _drawPath: function () {\r
- var i, j, len, len2, point, drawMethod;\r
-\r
- this._ctx.beginPath();\r
-\r
- for (i = 0, len = this._parts.length; i < len; i++) {\r
- for (j = 0, len2 = this._parts[i].length; j < len2; j++) {\r
- point = this._parts[i][j];\r
- drawMethod = (j === 0 ? 'move' : 'line') + 'To';\r
-\r
- this._ctx[drawMethod](point.x, point.y);\r
- }\r
- // TODO refactor ugly hack\r
- if (this instanceof L.Polygon) {\r
- this._ctx.closePath();\r
- }\r
- }\r
- },\r
-\r
- _checkIfEmpty: function () {\r
- return !this._parts.length;\r
- },\r
-\r
- _updatePath: function () {\r
- if (this._checkIfEmpty()) { return; }\r
-\r
- var ctx = this._ctx,\r
- options = this.options;\r
-\r
- this._drawPath();\r
- ctx.save();\r
- this._updateStyle();\r
-\r
- if (options.fill) {\r
- if (options.fillOpacity < 1) {\r
- ctx.globalAlpha = options.fillOpacity;\r
- }\r
- ctx.fill();\r
- }\r
-\r
- if (options.stroke) {\r
- if (options.opacity < 1) {\r
- ctx.globalAlpha = options.opacity;\r
- }\r
- ctx.stroke();\r
- }\r
-\r
- ctx.restore();\r
-\r
- // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature\r
- },\r
-\r
- _initEvents: function () {\r
- if (this.options.clickable) {\r
- // TODO hand cursor\r
- // TODO mouseover, mouseout, dblclick\r
- this._map.on('click', this._onClick, this);\r
- }\r
- },\r
-\r
- _onClick: function (e) {\r
- if (this._containsPoint(e.layerPoint)) {\r
- this.fire('click', e);\r
- }\r
- }\r
-});\r
-\r
-L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {} : {\r
- _initPathRoot: function () {\r
- var root = this._pathRoot,\r
- ctx;\r
-\r
- if (!root) {\r
- root = this._pathRoot = document.createElement("canvas");\r
- root.style.position = 'absolute';\r
- ctx = this._canvasCtx = root.getContext('2d');\r
-\r
- ctx.lineCap = "round";\r
- ctx.lineJoin = "round";\r
-\r
- this._panes.overlayPane.appendChild(root);\r
-\r
- if (this.options.zoomAnimation) {\r
- this._pathRoot.className = 'leaflet-zoom-animated';\r
- this.on('zoomanim', this._animatePathZoom);\r
- this.on('zoomend', this._endPathZoom);\r
- }\r
- this.on('moveend', this._updateCanvasViewport);\r
- this._updateCanvasViewport();\r
- }\r
- },\r
-\r
- _updateCanvasViewport: function () {\r
- if (this._pathZooming) {\r
- //Don't redraw while zooming. See _updateSvgViewport for more details\r
- return;\r
- }\r
- this._updatePathViewport();\r
-\r
- var vp = this._pathViewport,\r
- min = vp.min,\r
- size = vp.max.subtract(min),\r
- root = this._pathRoot;\r
-\r
- //TODO check if this works properly on mobile webkit\r
- L.DomUtil.setPosition(root, min);\r
- root.width = size.x;\r
- root.height = size.y;\r
- root.getContext('2d').translate(-min.x, -min.y);\r
- }\r
-});\r
-
-
-/*\r
- * L.LineUtil contains different utility functions for line segments\r
- * and polylines (clipping, simplification, distances, etc.)\r
- */\r
-\r
-L.LineUtil = {\r
-\r
- // Simplify polyline with vertex reduction and Douglas-Peucker simplification.\r
- // Improves rendering performance dramatically by lessening the number of points to draw.\r
-\r
- simplify: function (/*Point[]*/ points, /*Number*/ tolerance) {\r
- if (!tolerance || !points.length) {\r
- return points.slice();\r
- }\r
-\r
- var sqTolerance = tolerance * tolerance;\r
-\r
- // stage 1: vertex reduction\r
- points = this._reducePoints(points, sqTolerance);\r
-\r
- // stage 2: Douglas-Peucker simplification\r
- points = this._simplifyDP(points, sqTolerance);\r
-\r
- return points;\r
- },\r
-\r
- // distance from a point to a segment between two points\r
- pointToSegmentDistance: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {\r
- return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true));\r
- },\r
-\r
- closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {\r
- return this._sqClosestPointOnSegment(p, p1, p2);\r
- },\r
-\r
- // Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm\r
- _simplifyDP: function (points, sqTolerance) {\r
-\r
- var len = points.length,\r
- ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,\r
- markers = new ArrayConstructor(len);\r
-\r
- markers[0] = markers[len - 1] = 1;\r
-\r
- this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1);\r
-\r
- var i,\r
- newPoints = [];\r
-\r
- for (i = 0; i < len; i++) {\r
- if (markers[i]) {\r
- newPoints.push(points[i]);\r
- }\r
- }\r
-\r
- return newPoints;\r
- },\r
-\r
- _simplifyDPStep: function (points, markers, sqTolerance, first, last) {\r
-\r
- var maxSqDist = 0,\r
- index, i, sqDist;\r
-\r
- for (i = first + 1; i <= last - 1; i++) {\r
- sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);\r
-\r
- if (sqDist > maxSqDist) {\r
- index = i;\r
- maxSqDist = sqDist;\r
- }\r
- }\r
-\r
- if (maxSqDist > sqTolerance) {\r
- markers[index] = 1;\r
-\r
- this._simplifyDPStep(points, markers, sqTolerance, first, index);\r
- this._simplifyDPStep(points, markers, sqTolerance, index, last);\r
- }\r
- },\r
-\r
- // reduce points that are too close to each other to a single point\r
- _reducePoints: function (points, sqTolerance) {\r
- var reducedPoints = [points[0]];\r
-\r
- for (var i = 1, prev = 0, len = points.length; i < len; i++) {\r
- if (this._sqDist(points[i], points[prev]) > sqTolerance) {\r
- reducedPoints.push(points[i]);\r
- prev = i;\r
- }\r
- }\r
- if (prev < len - 1) {\r
- reducedPoints.push(points[len - 1]);\r
- }\r
- return reducedPoints;\r
- },\r
-\r
- /*jshint bitwise:false */ // temporarily allow bitwise oprations\r
-\r
- // Cohen-Sutherland line clipping algorithm.\r
- // Used to avoid rendering parts of a polyline that are not currently visible.\r
-\r
- clipSegment: function (a, b, bounds, useLastCode) {\r
- var min = bounds.min,\r
- max = bounds.max;\r
-\r
- var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),\r
- codeB = this._getBitCode(b, bounds);\r
-\r
- // save 2nd code to avoid calculating it on the next segment\r
- this._lastCode = codeB;\r
-\r
- while (true) {\r
- // if a,b is inside the clip window (trivial accept)\r
- if (!(codeA | codeB)) {\r
- return [a, b];\r
- // if a,b is outside the clip window (trivial reject)\r
- } else if (codeA & codeB) {\r
- return false;\r
- // other cases\r
- } else {\r
- var codeOut = codeA || codeB,\r
- p = this._getEdgeIntersection(a, b, codeOut, bounds),\r
- newCode = this._getBitCode(p, bounds);\r
-\r
- if (codeOut === codeA) {\r
- a = p;\r
- codeA = newCode;\r
- } else {\r
- b = p;\r
- codeB = newCode;\r
- }\r
- }\r
- }\r
- },\r
-\r
- _getEdgeIntersection: function (a, b, code, bounds) {\r
- var dx = b.x - a.x,\r
- dy = b.y - a.y,\r
- min = bounds.min,\r
- max = bounds.max;\r
-\r
- if (code & 8) { // top\r
- return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y);\r
- } else if (code & 4) { // bottom\r
- return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y);\r
- } else if (code & 2) { // right\r
- return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx);\r
- } else if (code & 1) { // left\r
- return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx);\r
- }\r
- },\r
-\r
- _getBitCode: function (/*Point*/ p, bounds) {\r
- var code = 0;\r
-\r
- if (p.x < bounds.min.x) { // left\r
- code |= 1;\r
- } else if (p.x > bounds.max.x) { // right\r
- code |= 2;\r
- }\r
- if (p.y < bounds.min.y) { // bottom\r
- code |= 4;\r
- } else if (p.y > bounds.max.y) { // top\r
- code |= 8;\r
- }\r
-\r
- return code;\r
- },\r
-\r
- /*jshint bitwise:true */\r
-\r
- // square distance (to avoid unnecessary Math.sqrt calls)\r
- _sqDist: function (p1, p2) {\r
- var dx = p2.x - p1.x,\r
- dy = p2.y - p1.y;\r
- return dx * dx + dy * dy;\r
- },\r
-\r
- // return closest point on segment or distance to that point\r
- _sqClosestPointOnSegment: function (p, p1, p2, sqDist) {\r
- var x = p1.x,\r
- y = p1.y,\r
- dx = p2.x - x,\r
- dy = p2.y - y,\r
- dot = dx * dx + dy * dy,\r
- t;\r
-\r
- if (dot > 0) {\r
- t = ((p.x - x) * dx + (p.y - y) * dy) / dot;\r
-\r
- if (t > 1) {\r
- x = p2.x;\r
- y = p2.y;\r
- } else if (t > 0) {\r
- x += dx * t;\r
- y += dy * t;\r
- }\r
- }\r
-\r
- dx = p.x - x;\r
- dy = p.y - y;\r
-\r
- return sqDist ? dx * dx + dy * dy : new L.Point(x, y);\r
- }\r
-};\r
-
-
-L.Polyline = L.Path.extend({\r
- initialize: function (latlngs, options) {\r
- L.Path.prototype.initialize.call(this, options);\r
-\r
- this._latlngs = this._convertLatLngs(latlngs);\r
-\r
- // TODO refactor: move to Polyline.Edit.js\r
- if (L.Handler.PolyEdit) {\r
- this.editing = new L.Handler.PolyEdit(this);\r
-\r
- if (this.options.editable) {\r
- this.editing.enable();\r
- }\r
- }\r
- },\r
-\r
- options: {\r
- // how much to simplify the polyline on each zoom level\r
- // more = better performance and smoother look, less = more accurate\r
- smoothFactor: 1.0,\r
- noClip: false\r
- },\r
-\r
- projectLatlngs: function () {\r
- this._originalPoints = [];\r
-\r
- for (var i = 0, len = this._latlngs.length; i < len; i++) {\r
- this._originalPoints[i] = this._map.latLngToLayerPoint(this._latlngs[i]);\r
- }\r
- },\r
-\r
- getPathString: function () {\r
- for (var i = 0, len = this._parts.length, str = ''; i < len; i++) {\r
- str += this._getPathPartStr(this._parts[i]);\r
- }\r
- return str;\r
- },\r
-\r
- getLatLngs: function () {\r
- return this._latlngs;\r
- },\r
-\r
- setLatLngs: function (latlngs) {\r
- this._latlngs = this._convertLatLngs(latlngs);\r
- return this.redraw();\r
- },\r
-\r
- addLatLng: function (latlng) {\r
- this._latlngs.push(L.latLng(latlng));\r
- return this.redraw();\r
- },\r
-\r
- spliceLatLngs: function (index, howMany) {\r
- var removed = [].splice.apply(this._latlngs, arguments);\r
- this._convertLatLngs(this._latlngs);\r
- this.redraw();\r
- return removed;\r
- },\r
-\r
- closestLayerPoint: function (p) {\r
- var minDistance = Infinity, parts = this._parts, p1, p2, minPoint = null;\r
-\r
- for (var j = 0, jLen = parts.length; j < jLen; j++) {\r
- var points = parts[j];\r
- for (var i = 1, len = points.length; i < len; i++) {\r
- p1 = points[i - 1];\r
- p2 = points[i];\r
- var sqDist = L.LineUtil._sqClosestPointOnSegment(p, p1, p2, true);\r
- if (sqDist < minDistance) {\r
- minDistance = sqDist;\r
- minPoint = L.LineUtil._sqClosestPointOnSegment(p, p1, p2);\r
- }\r
- }\r
- }\r
- if (minPoint) {\r
- minPoint.distance = Math.sqrt(minDistance);\r
- }\r
- return minPoint;\r
- },\r
-\r
- getBounds: function () {\r
- var b = new L.LatLngBounds();\r
- var latLngs = this.getLatLngs();\r
- for (var i = 0, len = latLngs.length; i < len; i++) {\r
- b.extend(latLngs[i]);\r
- }\r
- return b;\r
- },\r
-\r
- // TODO refactor: move to Polyline.Edit.js\r
- onAdd: function (map) {\r
- L.Path.prototype.onAdd.call(this, map);\r
-\r
- if (this.editing && this.editing.enabled()) {\r
- this.editing.addHooks();\r
- }\r
- },\r
-\r
- onRemove: function (map) {\r
- if (this.editing && this.editing.enabled()) {\r
- this.editing.removeHooks();\r
- }\r
-\r
- L.Path.prototype.onRemove.call(this, map);\r
- },\r
-\r
- _convertLatLngs: function (latlngs) {\r
- var i, len;\r
- for (i = 0, len = latlngs.length; i < len; i++) {\r
- if (latlngs[i] instanceof Array && typeof latlngs[i][0] !== 'number') {\r
- return;\r
- }\r
- latlngs[i] = L.latLng(latlngs[i]);\r
- }\r
- return latlngs;\r
- },\r
-\r
- _initEvents: function () {\r
- L.Path.prototype._initEvents.call(this);\r
- },\r
-\r
- _getPathPartStr: function (points) {\r
- var round = L.Path.VML;\r
-\r
- for (var j = 0, len2 = points.length, str = '', p; j < len2; j++) {\r
- p = points[j];\r
- if (round) {\r
- p._round();\r
- }\r
- str += (j ? 'L' : 'M') + p.x + ' ' + p.y;\r
- }\r
- return str;\r
- },\r
-\r
- _clipPoints: function () {\r
- var points = this._originalPoints,\r
- len = points.length,\r
- i, k, segment;\r
-\r
- if (this.options.noClip) {\r
- this._parts = [points];\r
- return;\r
- }\r
-\r
- this._parts = [];\r
-\r
- var parts = this._parts,\r
- vp = this._map._pathViewport,\r
- lu = L.LineUtil;\r
-\r
- for (i = 0, k = 0; i < len - 1; i++) {\r
- segment = lu.clipSegment(points[i], points[i + 1], vp, i);\r
- if (!segment) {\r
- continue;\r
- }\r
-\r
- parts[k] = parts[k] || [];\r
- parts[k].push(segment[0]);\r
-\r
- // if segment goes out of screen, or it's the last one, it's the end of the line part\r
- if ((segment[1] !== points[i + 1]) || (i === len - 2)) {\r
- parts[k].push(segment[1]);\r
- k++;\r
- }\r
- }\r
- },\r
-\r
- // simplify each clipped part of the polyline\r
- _simplifyPoints: function () {\r
- var parts = this._parts,\r
- lu = L.LineUtil;\r
-\r
- for (var i = 0, len = parts.length; i < len; i++) {\r
- parts[i] = lu.simplify(parts[i], this.options.smoothFactor);\r
- }\r
- },\r
-\r
- _updatePath: function () {\r
- if (!this._map) { return; }\r
-\r
- this._clipPoints();\r
- this._simplifyPoints();\r
-\r
- L.Path.prototype._updatePath.call(this);\r
- }\r
-});\r
-\r
-L.polyline = function (latlngs, options) {\r
- return new L.Polyline(latlngs, options);\r
-};\r
-
-
-/*\r
- * L.PolyUtil contains utilify functions for polygons (clipping, etc.).\r
- */\r
-\r
-/*jshint bitwise:false */ // allow bitwise oprations here\r
-\r
-L.PolyUtil = {};\r
-\r
-/*\r
- * Sutherland-Hodgeman polygon clipping algorithm.\r
- * Used to avoid rendering parts of a polygon that are not currently visible.\r
- */\r
-L.PolyUtil.clipPolygon = function (points, bounds) {\r
- var min = bounds.min,\r
- max = bounds.max,\r
- clippedPoints,\r
- edges = [1, 4, 2, 8],\r
- i, j, k,\r
- a, b,\r
- len, edge, p,\r
- lu = L.LineUtil;\r
-\r
- for (i = 0, len = points.length; i < len; i++) {\r
- points[i]._code = lu._getBitCode(points[i], bounds);\r
- }\r
-\r
- // for each edge (left, bottom, right, top)\r
- for (k = 0; k < 4; k++) {\r
- edge = edges[k];\r
- clippedPoints = [];\r
-\r
- for (i = 0, len = points.length, j = len - 1; i < len; j = i++) {\r
- a = points[i];\r
- b = points[j];\r
-\r
- // if a is inside the clip window\r
- if (!(a._code & edge)) {\r
- // if b is outside the clip window (a->b goes out of screen)\r
- if (b._code & edge) {\r
- p = lu._getEdgeIntersection(b, a, edge, bounds);\r
- p._code = lu._getBitCode(p, bounds);\r
- clippedPoints.push(p);\r
- }\r
- clippedPoints.push(a);\r
-\r
- // else if b is inside the clip window (a->b enters the screen)\r
- } else if (!(b._code & edge)) {\r
- p = lu._getEdgeIntersection(b, a, edge, bounds);\r
- p._code = lu._getBitCode(p, bounds);\r
- clippedPoints.push(p);\r
- }\r
- }\r
- points = clippedPoints;\r
- }\r
-\r
- return points;\r
-};\r
-\r
-/*jshint bitwise:true */\r
-
-
-/*\r
- * L.Polygon is used to display polygons on a map.\r
- */\r
-\r
-L.Polygon = L.Polyline.extend({\r
- options: {\r
- fill: true\r
- },\r
-\r
- initialize: function (latlngs, options) {\r
- L.Polyline.prototype.initialize.call(this, latlngs, options);\r
-\r
- if (latlngs && (latlngs[0] instanceof Array) && (typeof latlngs[0][0] !== 'number')) {\r
- this._latlngs = this._convertLatLngs(latlngs[0]);\r
- this._holes = latlngs.slice(1);\r
- }\r
- },\r
-\r
- projectLatlngs: function () {\r
- L.Polyline.prototype.projectLatlngs.call(this);\r
-\r
- // project polygon holes points\r
- // TODO move this logic to Polyline to get rid of duplication\r
- this._holePoints = [];\r
-\r
- if (!this._holes) {\r
- return;\r
- }\r
-\r
- for (var i = 0, len = this._holes.length, hole; i < len; i++) {\r
- this._holePoints[i] = [];\r
-\r
- for (var j = 0, len2 = this._holes[i].length; j < len2; j++) {\r
- this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]);\r
- }\r
- }\r
- },\r
-\r
- _clipPoints: function () {\r
- var points = this._originalPoints,\r
- newParts = [];\r
-\r
- this._parts = [points].concat(this._holePoints);\r
-\r
- if (this.options.noClip) {\r
- return;\r
- }\r
-\r
- for (var i = 0, len = this._parts.length; i < len; i++) {\r
- var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport);\r
- if (!clipped.length) {\r
- continue;\r
- }\r
- newParts.push(clipped);\r
- }\r
-\r
- this._parts = newParts;\r
- },\r
-\r
- _getPathPartStr: function (points) {\r
- var str = L.Polyline.prototype._getPathPartStr.call(this, points);\r
- return str + (L.Browser.svg ? 'z' : 'x');\r
- }\r
-});\r
-\r
-L.polygon = function (latlngs, options) {\r
- return new L.Polygon(latlngs, options);\r
-};\r
-
-
-/*\r
- * Contains L.MultiPolyline and L.MultiPolygon layers.\r
- */\r
-\r
-(function () {\r
- function createMulti(Klass) {\r
- return L.FeatureGroup.extend({\r
- initialize: function (latlngs, options) {\r
- this._layers = {};\r
- this._options = options;\r
- this.setLatLngs(latlngs);\r
- },\r
-\r
- setLatLngs: function (latlngs) {\r
- var i = 0, len = latlngs.length;\r
-\r
- this.eachLayer(function (layer) {\r
- if (i < len) {\r
- layer.setLatLngs(latlngs[i++]);\r
- } else {\r
- this.removeLayer(layer);\r
- }\r
- }, this);\r
-\r
- while (i < len) {\r
- this.addLayer(new Klass(latlngs[i++], this._options));\r
- }\r
-\r
- return this;\r
- }\r
- });\r
- }\r
-\r
- L.MultiPolyline = createMulti(L.Polyline);\r
- L.MultiPolygon = createMulti(L.Polygon);\r
-\r
- L.multiPolyline = function (latlngs, options) {\r
- return new L.MultiPolyline(latlngs, options);\r
- };\r
-\r
- L.multiPolygon = function (latlngs, options) {\r
- return new L.MultiPolygon(latlngs, options);\r
- };\r
-}());\r
-
-
-/*\r
- * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds\r
- */\r
-\r
-L.Rectangle = L.Polygon.extend({\r
- initialize: function (latLngBounds, options) {\r
- L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);\r
- },\r
-\r
- setBounds: function (latLngBounds) {\r
- this.setLatLngs(this._boundsToLatLngs(latLngBounds));\r
- },\r
-\r
- _boundsToLatLngs: function (latLngBounds) {\r
- latLngBounds = L.latLngBounds(latLngBounds);\r
- return [\r
- latLngBounds.getSouthWest(),\r
- latLngBounds.getNorthWest(),\r
- latLngBounds.getNorthEast(),\r
- latLngBounds.getSouthEast(),\r
- latLngBounds.getSouthWest()\r
- ];\r
- }\r
-});\r
-\r
-L.rectangle = function (latLngBounds, options) {\r
- return new L.Rectangle(latLngBounds, options);\r
-};\r
-
-
-/*\r
- * L.Circle is a circle overlay (with a certain radius in meters).\r
- */\r
-\r
-L.Circle = L.Path.extend({\r
- initialize: function (latlng, radius, options) {\r
- L.Path.prototype.initialize.call(this, options);\r
-\r
- this._latlng = L.latLng(latlng);\r
- this._mRadius = radius;\r
- },\r
-\r
- options: {\r
- fill: true\r
- },\r
-\r
- setLatLng: function (latlng) {\r
- this._latlng = L.latLng(latlng);\r
- return this.redraw();\r
- },\r
-\r
- setRadius: function (radius) {\r
- this._mRadius = radius;\r
- return this.redraw();\r
- },\r
-\r
- projectLatlngs: function () {\r
- var lngRadius = this._getLngRadius(),\r
- latlng2 = new L.LatLng(this._latlng.lat, this._latlng.lng - lngRadius, true),\r
- point2 = this._map.latLngToLayerPoint(latlng2);\r
-\r
- this._point = this._map.latLngToLayerPoint(this._latlng);\r
- this._radius = Math.max(Math.round(this._point.x - point2.x), 1);\r
- },\r
-\r
- getBounds: function () {\r
- var map = this._map,\r
- delta = this._radius * Math.cos(Math.PI / 4),\r
- point = map.project(this._latlng),\r
- swPoint = new L.Point(point.x - delta, point.y + delta),\r
- nePoint = new L.Point(point.x + delta, point.y - delta),\r
- sw = map.unproject(swPoint),\r
- ne = map.unproject(nePoint);\r
-\r
- return new L.LatLngBounds(sw, ne);\r
- },\r
-\r
- getLatLng: function () {\r
- return this._latlng;\r
- },\r
-\r
- getPathString: function () {\r
- var p = this._point,\r
- r = this._radius;\r
-\r
- if (this._checkIfEmpty()) {\r
- return '';\r
- }\r
-\r
- if (L.Browser.svg) {\r
- return "M" + p.x + "," + (p.y - r) +\r
- "A" + r + "," + r + ",0,1,1," +\r
- (p.x - 0.1) + "," + (p.y - r) + " z";\r
- } else {\r
- p._round();\r
- r = Math.round(r);\r
- return "AL " + p.x + "," + p.y + " " + r + "," + r + " 0," + (65535 * 360);\r
- }\r
- },\r
-\r
- getRadius: function () {\r
- return this._mRadius;\r
- },\r
-\r
- _getLngRadius: function () {\r
- var equatorLength = 40075017,\r
- hLength = equatorLength * Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat);\r
-\r
- return (this._mRadius / hLength) * 360;\r
- },\r
-\r
- _checkIfEmpty: function () {\r
- if (!this._map) {\r
- return false;\r
- }\r
- var vp = this._map._pathViewport,\r
- r = this._radius,\r
- p = this._point;\r
-\r
- return p.x - r > vp.max.x || p.y - r > vp.max.y ||\r
- p.x + r < vp.min.x || p.y + r < vp.min.y;\r
- }\r
-});\r
-\r
-L.circle = function (latlng, radius, options) {\r
- return new L.Circle(latlng, radius, options);\r
-};\r
-
-
-/*\r
- * L.CircleMarker is a circle overlay with a permanent pixel radius.\r
- */\r
-\r
-L.CircleMarker = L.Circle.extend({\r
- options: {\r
- radius: 10,\r
- weight: 2\r
- },\r
-\r
- initialize: function (latlng, options) {\r
- L.Circle.prototype.initialize.call(this, latlng, null, options);\r
- this._radius = this.options.radius;\r
- },\r
-\r
- projectLatlngs: function () {\r
- this._point = this._map.latLngToLayerPoint(this._latlng);\r
- },\r
-\r
- setRadius: function (radius) {\r
- this._radius = radius;\r
- return this.redraw();\r
- }\r
-});\r
-\r
-L.circleMarker = function (latlng, options) {\r
- return new L.CircleMarker(latlng, options);\r
-};\r
-
-
-\r
-L.Polyline.include(!L.Path.CANVAS ? {} : {\r
- _containsPoint: function (p, closed) {\r
- var i, j, k, len, len2, dist, part,\r
- w = this.options.weight / 2;\r
-\r
- if (L.Browser.touch) {\r
- w += 10; // polyline click tolerance on touch devices\r
- }\r
-\r
- for (i = 0, len = this._parts.length; i < len; i++) {\r
- part = this._parts[i];\r
- for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {\r
- if (!closed && (j === 0)) {\r
- continue;\r
- }\r
-\r
- dist = L.LineUtil.pointToSegmentDistance(p, part[k], part[j]);\r
-\r
- if (dist <= w) {\r
- return true;\r
- }\r
- }\r
- }\r
- return false;\r
- }\r
-});\r
-
-
-\r
-L.Polygon.include(!L.Path.CANVAS ? {} : {\r
- _containsPoint: function (p) {\r
- var inside = false,\r
- part, p1, p2,\r
- i, j, k,\r
- len, len2;\r
-\r
- // TODO optimization: check if within bounds first\r
-\r
- if (L.Polyline.prototype._containsPoint.call(this, p, true)) {\r
- // click on polygon border\r
- return true;\r
- }\r
-\r
- // ray casting algorithm for detecting if point is in polygon\r
-\r
- for (i = 0, len = this._parts.length; i < len; i++) {\r
- part = this._parts[i];\r
-\r
- for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {\r
- p1 = part[j];\r
- p2 = part[k];\r
-\r
- if (((p1.y > p.y) !== (p2.y > p.y)) &&\r
- (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) {\r
- inside = !inside;\r
- }\r
- }\r
- }\r
-\r
- return inside;\r
- }\r
-});\r
-
-
-/*\r
- * Circle canvas specific drawing parts.\r
- */\r
-\r
-L.Circle.include(!L.Path.CANVAS ? {} : {\r
- _drawPath: function () {\r
- var p = this._point;\r
- this._ctx.beginPath();\r
- this._ctx.arc(p.x, p.y, this._radius, 0, Math.PI * 2, false);\r
- },\r
-\r
- _containsPoint: function (p) {\r
- var center = this._point,\r
- w2 = this.options.stroke ? this.options.weight / 2 : 0;\r
-\r
- return (p.distanceTo(center) <= this._radius + w2);\r
- }\r
-});\r
-
-
-L.GeoJSON = L.FeatureGroup.extend({\r
- initialize: function (geojson, options) {\r
- L.Util.setOptions(this, options);\r
-\r
- this._layers = {};\r
-\r
- if (geojson) {\r
- this.addData(geojson);\r
- }\r
- },\r
-\r
- addData: function (geojson) {\r
- var features = geojson instanceof Array ? geojson : geojson.features,\r
- i, len;\r
-\r
- if (features) {\r
- for (i = 0, len = features.length; i < len; i++) {\r
- this.addData(features[i]);\r
- }\r
- return this;\r
- }\r
-\r
- var options = this.options;\r
-\r
- if (options.filter && !options.filter(geojson)) { return; }\r
-\r
- var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer);\r
- layer.feature = geojson;\r
-\r
- this.resetStyle(layer);\r
-\r
- if (options.onEachFeature) {\r
- options.onEachFeature(geojson, layer);\r
- }\r
-\r
- return this.addLayer(layer);\r
- },\r
-\r
- resetStyle: function (layer) {\r
- var style = this.options.style;\r
- if (style) {\r
- this._setLayerStyle(layer, style);\r
- }\r
- },\r
-\r
- setStyle: function (style) {\r
- this.eachLayer(function (layer) {\r
- this._setLayerStyle(layer, style);\r
- }, this);\r
- },\r
-\r
- _setLayerStyle: function (layer, style) {\r
- if (typeof style === 'function') {\r
- style = style(layer.feature);\r
- }\r
- if (layer.setStyle) {\r
- layer.setStyle(style);\r
- }\r
- }\r
-});\r
-\r
-L.Util.extend(L.GeoJSON, {\r
- geometryToLayer: function (geojson, pointToLayer) {\r
- var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,\r
- coords = geometry.coordinates,\r
- layers = [],\r
- latlng, latlngs, i, len, layer;\r
-\r
- switch (geometry.type) {\r
- case 'Point':\r
- latlng = this.coordsToLatLng(coords);\r
- return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);\r
-\r
- case 'MultiPoint':\r
- for (i = 0, len = coords.length; i < len; i++) {\r
- latlng = this.coordsToLatLng(coords[i]);\r
- layer = pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);\r
- layers.push(layer);\r
- }\r
- return new L.FeatureGroup(layers);\r
-\r
- case 'LineString':\r
- latlngs = this.coordsToLatLngs(coords);\r
- return new L.Polyline(latlngs);\r
-\r
- case 'Polygon':\r
- latlngs = this.coordsToLatLngs(coords, 1);\r
- return new L.Polygon(latlngs);\r
-\r
- case 'MultiLineString':\r
- latlngs = this.coordsToLatLngs(coords, 1);\r
- return new L.MultiPolyline(latlngs);\r
-\r
- case "MultiPolygon":\r
- latlngs = this.coordsToLatLngs(coords, 2);\r
- return new L.MultiPolygon(latlngs);\r
-\r
- case "GeometryCollection":\r
- for (i = 0, len = geometry.geometries.length; i < len; i++) {\r
- layer = this.geometryToLayer(geometry.geometries[i], pointToLayer);\r
- layers.push(layer);\r
- }\r
- return new L.FeatureGroup(layers);\r
-\r
- default:\r
- throw new Error('Invalid GeoJSON object.');\r
- }\r
- },\r
-\r
- coordsToLatLng: function (coords, reverse) { // (Array, Boolean) -> LatLng\r
- var lat = parseFloat(coords[reverse ? 0 : 1]),\r
- lng = parseFloat(coords[reverse ? 1 : 0]);\r
-\r
- return new L.LatLng(lat, lng, true);\r
- },\r
-\r
- coordsToLatLngs: function (coords, levelsDeep, reverse) { // (Array, Number, Boolean) -> Array\r
- var latlng,\r
- latlngs = [],\r
- i, len;\r
-\r
- for (i = 0, len = coords.length; i < len; i++) {\r
- latlng = levelsDeep ?\r
- this.coordsToLatLngs(coords[i], levelsDeep - 1, reverse) :\r
- this.coordsToLatLng(coords[i], reverse);\r
-\r
- latlngs.push(latlng);\r
- }\r
-\r
- return latlngs;\r
- }\r
-});\r
-\r
-L.geoJson = function (geojson, options) {\r
- return new L.GeoJSON(geojson, options);\r
-};\r
-
-
-/*\r
- * L.DomEvent contains functions for working with DOM events.\r
- */\r
-\r
-L.DomEvent = {\r
- /* inpired by John Resig, Dean Edwards and YUI addEvent implementations */\r
- addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object])\r
-\r
- var id = L.Util.stamp(fn),\r
- key = '_leaflet_' + type + id,\r
- handler, originalHandler, newType;\r
-\r
- if (obj[key]) { return this; }\r
-\r
- handler = function (e) {\r
- return fn.call(context || obj, e || L.DomEvent._getEvent());\r
- };\r
-\r
- if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {\r
- return this.addDoubleTapListener(obj, handler, id);\r
-\r
- } else if ('addEventListener' in obj) {\r
- \r
- if (type === 'mousewheel') {\r
- obj.addEventListener('DOMMouseScroll', handler, false);\r
- obj.addEventListener(type, handler, false);\r
-\r
- } else if ((type === 'mouseenter') || (type === 'mouseleave')) {\r
-\r
- originalHandler = handler;\r
- newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout');\r
-\r
- handler = function (e) {\r
- if (!L.DomEvent._checkMouse(obj, e)) { return; }\r
- return originalHandler(e);\r
- };\r
-\r
- obj.addEventListener(newType, handler, false);\r
-\r
- } else {\r
- obj.addEventListener(type, handler, false);\r
- }\r
-\r
- } else if ('attachEvent' in obj) {\r
- obj.attachEvent("on" + type, handler);\r
- }\r
-\r
- obj[key] = handler;\r
-\r
- return this;\r
- },\r
-\r
- removeListener: function (obj, type, fn) { // (HTMLElement, String, Function)\r
-\r
- var id = L.Util.stamp(fn),\r
- key = '_leaflet_' + type + id,\r
- handler = obj[key];\r
-\r
- if (!handler) { return; }\r
-\r
- if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) {\r
- this.removeDoubleTapListener(obj, id);\r
-\r
- } else if ('removeEventListener' in obj) {\r
-\r
- if (type === 'mousewheel') {\r
- obj.removeEventListener('DOMMouseScroll', handler, false);\r
- obj.removeEventListener(type, handler, false);\r
-\r
- } else if ((type === 'mouseenter') || (type === 'mouseleave')) {\r
- obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false);\r
- } else {\r
- obj.removeEventListener(type, handler, false);\r
- }\r
- } else if ('detachEvent' in obj) {\r
- obj.detachEvent("on" + type, handler);\r
- }\r
-\r
- obj[key] = null;\r
-\r
- return this;\r
- },\r
-\r
- stopPropagation: function (e) {\r
-\r
- if (e.stopPropagation) {\r
- e.stopPropagation();\r
- } else {\r
- e.cancelBubble = true;\r
- }\r
- return this;\r
- },\r
-\r
- disableClickPropagation: function (el) {\r
-\r
- var stop = L.DomEvent.stopPropagation;\r
- \r
- return L.DomEvent\r
- .addListener(el, L.Draggable.START, stop)\r
- .addListener(el, 'click', stop)\r
- .addListener(el, 'dblclick', stop);\r
- },\r
-\r
- preventDefault: function (e) {\r
-\r
- if (e.preventDefault) {\r
- e.preventDefault();\r
- } else {\r
- e.returnValue = false;\r
- }\r
- return this;\r
- },\r
-\r
- stop: function (e) {\r
- return L.DomEvent.preventDefault(e).stopPropagation(e);\r
- },\r
-\r
- getMousePosition: function (e, container) {\r
-\r
- var body = document.body,\r
- docEl = document.documentElement,\r
- x = e.pageX ? e.pageX : e.clientX + body.scrollLeft + docEl.scrollLeft,\r
- y = e.pageY ? e.pageY : e.clientY + body.scrollTop + docEl.scrollTop,\r
- pos = new L.Point(x, y);\r
-\r
- return (container ? pos._subtract(L.DomUtil.getViewportOffset(container)) : pos);\r
- },\r
-\r
- getWheelDelta: function (e) {\r
-\r
- var delta = 0;\r
-\r
- if (e.wheelDelta) {\r
- delta = e.wheelDelta / 120;\r
- }\r
- if (e.detail) {\r
- delta = -e.detail / 3;\r
- }\r
- return delta;\r
- },\r
-\r
- // check if element really left/entered the event target (for mouseenter/mouseleave)\r
- _checkMouse: function (el, e) {\r
-\r
- var related = e.relatedTarget;\r
-\r
- if (!related) { return true; }\r
-\r
- try {\r
- while (related && (related !== el)) {\r
- related = related.parentNode;\r
- }\r
- } catch (err) {\r
- return false;\r
- }\r
- return (related !== el);\r
- },\r
-\r
- /*jshint noarg:false */\r
- _getEvent: function () { // evil magic for IE\r
-\r
- var e = window.event;\r
- if (!e) {\r
- var caller = arguments.callee.caller;\r
- while (caller) {\r
- e = caller['arguments'][0];\r
- if (e && window.Event === e.constructor) {\r
- break;\r
- }\r
- caller = caller.caller;\r
- }\r
- }\r
- return e;\r
- }\r
- /*jshint noarg:false */\r
-};\r
-\r
-L.DomEvent.on = L.DomEvent.addListener;\r
-L.DomEvent.off = L.DomEvent.removeListener;
+ L.DomUtil.disableImageDrag();
+ L.DomUtil.disableTextSelection();
+
+ if (this._moving) { return; }
+
+ var first = e.touches ? e.touches[0] : e;
+
+ this._startPoint = new L.Point(first.clientX, first.clientY);
+ this._startPos = this._newPos = L.DomUtil.getPosition(this._element);
+
+ L.DomEvent
+ .on(document, L.Draggable.MOVE[e.type], this._onMove, this)
+ .on(document, L.Draggable.END[e.type], this._onUp, this);
+ },
+
+ _onMove: function (e) {
+ if (e.touches && e.touches.length > 1) {
+ this._moved = true;
+ return;
+ }
-/*\r
- * L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too.\r
- */\r
-\r
-L.Draggable = L.Class.extend({\r
- includes: L.Mixin.Events,\r
-\r
- statics: {\r
- START: L.Browser.touch ? 'touchstart' : 'mousedown',\r
- END: L.Browser.touch ? 'touchend' : 'mouseup',\r
- MOVE: L.Browser.touch ? 'touchmove' : 'mousemove',\r
- TAP_TOLERANCE: 15\r
- },\r
-\r
- initialize: function (element, dragStartTarget) {\r
- this._element = element;\r
- this._dragStartTarget = dragStartTarget || element;\r
- },\r
-\r
- enable: function () {\r
- if (this._enabled) {\r
- return;\r
- }\r
- L.DomEvent.on(this._dragStartTarget, L.Draggable.START, this._onDown, this);\r
- this._enabled = true;\r
- },\r
-\r
- disable: function () {\r
- if (!this._enabled) {\r
- return;\r
- }\r
- L.DomEvent.off(this._dragStartTarget, L.Draggable.START, this._onDown);\r
- this._enabled = false;\r
- this._moved = false;\r
- },\r
-\r
- _onDown: function (e) {\r
- if ((!L.Browser.touch && e.shiftKey) ||\r
- ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }\r
-\r
- L.DomEvent.preventDefault(e);\r
-\r
- if (L.Draggable._disabled) { return; }\r
-\r
- this._simulateClick = true;\r
-\r
- if (e.touches && e.touches.length > 1) {\r
- this._simulateClick = false;\r
- return;\r
- }\r
-\r
- var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),\r
- el = first.target;\r
-\r
- if (L.Browser.touch && el.tagName.toLowerCase() === 'a') {\r
- L.DomUtil.addClass(el, 'leaflet-active');\r
- }\r
-\r
- this._moved = false;\r
- if (this._moving) {\r
- return;\r
- }\r
-\r
- this._startPoint = new L.Point(first.clientX, first.clientY);\r
- this._startPos = this._newPos = L.DomUtil.getPosition(this._element);\r
-\r
- L.DomEvent.on(document, L.Draggable.MOVE, this._onMove, this);\r
- L.DomEvent.on(document, L.Draggable.END, this._onUp, this);\r
- },\r
-\r
- _onMove: function (e) {\r
- if (e.touches && e.touches.length > 1) { return; }\r
-\r
- var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),\r
- newPoint = new L.Point(first.clientX, first.clientY),\r
- diffVec = newPoint.subtract(this._startPoint);\r
-\r
- if (!diffVec.x && !diffVec.y) { return; }\r
-\r
- L.DomEvent.preventDefault(e);\r
-\r
- if (!this._moved) {\r
- this.fire('dragstart');\r
- this._moved = true;\r
-\r
- this._startPos = L.DomUtil.getPosition(this._element).subtract(diffVec);\r
-\r
- if (!L.Browser.touch) {\r
- L.DomUtil.disableTextSelection();\r
- this._setMovingCursor();\r
- }\r
- }\r
-\r
- this._newPos = this._startPos.add(diffVec);\r
- this._moving = true;\r
-\r
- L.Util.cancelAnimFrame(this._animRequest);\r
- this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true, this._dragStartTarget);\r
- },\r
-\r
- _updatePosition: function () {\r
- this.fire('predrag');\r
- L.DomUtil.setPosition(this._element, this._newPos);\r
- this.fire('drag');\r
- },\r
-\r
- _onUp: function (e) {\r
- if (this._simulateClick && e.changedTouches) {\r
- var first = e.changedTouches[0],\r
- el = first.target,\r
- dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;\r
-\r
- if (el.tagName.toLowerCase() === 'a') {\r
- L.DomUtil.removeClass(el, 'leaflet-active');\r
- }\r
-\r
- if (dist < L.Draggable.TAP_TOLERANCE) {\r
- this._simulateEvent('click', first);\r
- }\r
- }\r
-\r
- if (!L.Browser.touch) {\r
- L.DomUtil.enableTextSelection();\r
- this._restoreCursor();\r
- }\r
-\r
- L.DomEvent.off(document, L.Draggable.MOVE, this._onMove);\r
- L.DomEvent.off(document, L.Draggable.END, this._onUp);\r
-\r
- if (this._moved) {\r
- // ensure drag is not fired after dragend\r
- L.Util.cancelAnimFrame(this._animRequest);\r
-\r
- this.fire('dragend');\r
- }\r
- this._moving = false;\r
- },\r
-\r
- _setMovingCursor: function () {\r
- L.DomUtil.addClass(document.body, 'leaflet-dragging');\r
- },\r
-\r
- _restoreCursor: function () {\r
- L.DomUtil.removeClass(document.body, 'leaflet-dragging');\r
- },\r
-\r
- _simulateEvent: function (type, e) {\r
- var simulatedEvent = document.createEvent('MouseEvents');\r
-\r
- simulatedEvent.initMouseEvent(\r
- type, true, true, window, 1,\r
- e.screenX, e.screenY,\r
- e.clientX, e.clientY,\r
- false, false, false, false, 0, null);\r
-\r
- e.target.dispatchEvent(simulatedEvent);\r
- }\r
-});\r
+ var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
+ newPoint = new L.Point(first.clientX, first.clientY),
+ offset = newPoint.subtract(this._startPoint);
+
+ if (!offset.x && !offset.y) { return; }
+ if (L.Browser.touch && Math.abs(offset.x) + Math.abs(offset.y) < 3) { return; }
+
+ L.DomEvent.preventDefault(e);
+
+ if (!this._moved) {
+ this.fire('dragstart');
+
+ this._moved = true;
+ this._startPos = L.DomUtil.getPosition(this._element).subtract(offset);
+
+ L.DomUtil.addClass(document.body, 'leaflet-dragging');
+ this._lastTarget = e.target || e.srcElement;
+ L.DomUtil.addClass(this._lastTarget, 'leaflet-drag-target');
+ }
+
+ this._newPos = this._startPos.add(offset);
+ this._moving = true;
+
+ L.Util.cancelAnimFrame(this._animRequest);
+ this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true, this._dragStartTarget);
+ },
+
+ _updatePosition: function () {
+ this.fire('predrag');
+ L.DomUtil.setPosition(this._element, this._newPos);
+ this.fire('drag');
+ },
+
+ _onUp: function () {
+ L.DomUtil.removeClass(document.body, 'leaflet-dragging');
+
+ if (this._lastTarget) {
+ L.DomUtil.removeClass(this._lastTarget, 'leaflet-drag-target');
+ this._lastTarget = null;
+ }
+
+ for (var i in L.Draggable.MOVE) {
+ L.DomEvent
+ .off(document, L.Draggable.MOVE[i], this._onMove)
+ .off(document, L.Draggable.END[i], this._onUp);
+ }
+
+ L.DomUtil.enableImageDrag();
+ L.DomUtil.enableTextSelection();
+
+ if (this._moved && this._moving) {
+ // ensure drag is not fired after dragend
+ L.Util.cancelAnimFrame(this._animRequest);
+
+ this.fire('dragend', {
+ distance: this._newPos.distanceTo(this._startPos)
+ });
+ }
+
+ this._moving = false;
+ }
+});
/*
- * L.Handler classes are used internally to inject interaction features to classes like Map and Marker.
- */
+ 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.
+*/
L.Handler = L.Class.extend({
initialize: function (map) {
/*
- * L.Handler.MapDrag is used internally by L.Map to make the map draggable.
+ * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default.
*/
L.Map.mergeOptions({
inertia: !L.Browser.android23,
inertiaDeceleration: 3400, // px/s^2
- inertiaMaxSpeed: 6000, // px/s
+ inertiaMaxSpeed: Infinity, // px/s
inertiaThreshold: L.Browser.touch ? 32 : 18, // ms
+ easeLinearity: 0.25,
// TODO refactor, move to CRS
- worldCopyJump: true
+ worldCopyJump: false
});
L.Map.Drag = L.Handler.extend({
addHooks: function () {
if (!this._draggable) {
- this._draggable = new L.Draggable(this._map._mapPane, this._map._container);
+ var map = this._map;
+
+ this._draggable = new L.Draggable(map._mapPane, map._container);
this._draggable.on({
'dragstart': this._onDragStart,
'dragend': this._onDragEnd
}, this);
- var options = this._map.options;
-
- if (options.worldCopyJump) {
+ if (map.options.worldCopyJump) {
this._draggable.on('predrag', this._onPreDrag, this);
- this._map.on('viewreset', this._onViewReset, this);
+ map.on('viewreset', this._onViewReset, this);
+
+ map.whenReady(this._onViewReset, this);
}
}
this._draggable.enable();
}
map
- .fire('movestart')
- .fire('dragstart');
+ .fire('movestart')
+ .fire('dragstart');
if (map.options.inertia) {
this._positions = [];
}
this._map
- .fire('move')
- .fire('drag');
+ .fire('move')
+ .fire('drag');
},
_onViewReset: function () {
+ // TODO fix hardcoded Earth values
var pxCenter = this._map.getSize()._divideBy(2),
- pxWorldCenter = this._map.latLngToLayerPoint(new L.LatLng(0, 0));
+ pxWorldCenter = this._map.latLngToLayerPoint([0, 0]);
this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
- this._worldWidth = this._map.project(new L.LatLng(0, 180)).x;
+ this._worldWidth = this._map.project([0, 180]).x;
},
_onPreDrag: function () {
// TODO refactor to be able to adjust map pane position after zoom
- var map = this._map,
- 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;
+ 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._newPos.x = newX;
},
- _onDragEnd: function () {
+ _onDragEnd: function (e) {
var map = this._map,
- options = map.options,
- delay = +new Date() - this._lastTime,
+ options = map.options,
+ delay = +new Date() - this._lastTime,
- noInertia = !options.inertia ||
- delay > options.inertiaThreshold ||
- this._positions[0] === undefined;
+ noInertia = !options.inertia || delay > options.inertiaThreshold || !this._positions[0];
+
+ map.fire('dragend', e);
if (noInertia) {
map.fire('moveend');
} else {
var direction = this._lastPos.subtract(this._positions[0]),
- duration = (this._lastTime + delay - this._times[0]) / 1000,
+ duration = (this._lastTime + delay - this._times[0]) / 1000,
+ ease = options.easeLinearity,
- speedVector = direction.multiplyBy(0.58 / duration),
- speed = speedVector.distanceTo(new L.Point(0, 0)),
+ speedVector = direction.multiplyBy(ease / duration),
+ speed = speedVector.distanceTo([0, 0]),
- limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
- limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),
+ limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
+ limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),
- decelerationDuration = limitedSpeed / options.inertiaDeceleration,
- offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();
+ decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease),
+ offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();
- L.Util.requestAnimFrame(L.Util.bind(function () {
- this._map.panBy(offset, decelerationDuration);
- }, this));
- }
+ if (!offset.x || !offset.y) {
+ map.fire('moveend');
- map.fire('dragend');
+ } else {
+ offset = map._limitOffset(offset, map.options.maxBounds);
- if (options.maxBounds) {
- // TODO predrag validation instead of animation
- L.Util.requestAnimFrame(this._panInsideMaxBounds, map, true, map._container);
+ L.Util.requestAnimFrame(function () {
+ map.panBy(offset, {
+ duration: decelerationDuration,
+ easeLinearity: ease,
+ noMoveStart: true
+ });
+ });
+ }
}
- },
-
- _panInsideMaxBounds: function () {
- this.panInsideBounds(this.options.maxBounds);
}
});
/*
- * L.Handler.DoubleClickZoom is used internally by L.Map to add double-click zooming.
+ * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default.
*/
L.Map.mergeOptions({
L.Map.DoubleClickZoom = L.Handler.extend({
addHooks: function () {
- this._map.on('dblclick', this._onDoubleClick);
+ this._map.on('dblclick', this._onDoubleClick, this);
},
removeHooks: function () {
- this._map.off('dblclick', this._onDoubleClick);
+ this._map.off('dblclick', this._onDoubleClick, this);
},
_onDoubleClick: function (e) {
- this.setView(e.latlng, this._zoom + 1);
+ var map = this._map,
+ zoom = map.getZoom() + (e.originalEvent.shiftKey ? -1 : 1);
+
+ if (map.options.doubleClickZoom === 'center') {
+ map.setZoom(zoom);
+ } else {
+ map.setZoomAround(e.containerPoint, zoom);
+ }
}
});
L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom);
+
/*
- * L.Handler.ScrollWheelZoom is used internally by L.Map to enable mouse scroll wheel zooming on the map.
+ * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map.
*/
L.Map.mergeOptions({
- scrollWheelZoom: !L.Browser.touch
+ scrollWheelZoom: true
});
L.Map.ScrollWheelZoom = L.Handler.extend({
addHooks: function () {
L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this);
+ L.DomEvent.on(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault);
this._delta = 0;
},
removeHooks: function () {
L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll);
+ L.DomEvent.off(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault);
},
_onWheelScroll: function (e) {
var left = Math.max(40 - (+new Date() - this._startTime), 0);
clearTimeout(this._timer);
- this._timer = setTimeout(L.Util.bind(this._performZoom, this), left);
+ this._timer = setTimeout(L.bind(this._performZoom, this), left);
L.DomEvent.preventDefault(e);
L.DomEvent.stopPropagation(e);
_performZoom: function () {
var map = this._map,
- delta = Math.round(this._delta),
- zoom = map.getZoom();
+ delta = this._delta,
+ zoom = map.getZoom();
+
+ delta = delta > 0 ? Math.ceil(delta) : Math.floor(delta);
+ delta = Math.max(Math.min(delta, 4), -4);
+ delta = map._limitZoom(zoom + delta) - 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);
+ }
+ }
+});
+
+L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);
+
+
+/*
+ * Extends the event handling code with double tap support for mobile browsers.
+ */
+
+L.extend(L.DomEvent, {
+
+ _touchstart: L.Browser.msPointer ? 'MSPointerDown' : L.Browser.pointer ? 'pointerdown' : 'touchstart',
+ _touchend: L.Browser.msPointer ? 'MSPointerUp' : L.Browser.pointer ? 'pointerup' : 'touchend',
+
+ // inspired by Zepto touch code by Thomas Fuchs
+ addDoubleTapListener: function (obj, handler, id) {
+ var last,
+ doubleTap = false,
+ delay = 250,
+ touch,
+ pre = '_leaflet_',
+ touchstart = this._touchstart,
+ touchend = this._touchend,
+ trackedTouches = [];
+
+ function onTouchStart(e) {
+ var count;
+
+ if (L.Browser.pointer) {
+ trackedTouches.push(e.pointerId);
+ count = trackedTouches.length;
+ } else {
+ count = e.touches.length;
+ }
+ if (count > 1) {
+ return;
+ }
+
+ var now = Date.now(),
+ delta = now - (last || now);
+
+ touch = e.touches ? e.touches[0] : e;
+ doubleTap = (delta > 0 && delta <= delay);
+ last = now;
+ }
+
+ function onTouchEnd(e) {
+ if (L.Browser.pointer) {
+ var idx = trackedTouches.indexOf(e.pointerId);
+ if (idx === -1) {
+ return;
+ }
+ trackedTouches.splice(idx, 1);
+ }
+
+ if (doubleTap) {
+ if (L.Browser.pointer) {
+ // work around .type being readonly with MSPointer* events
+ var newTouch = { },
+ prop;
+
+ // jshint forin:false
+ for (var i in touch) {
+ prop = touch[i];
+ if (typeof prop === 'function') {
+ newTouch[i] = prop.bind(touch);
+ } else {
+ newTouch[i] = prop;
+ }
+ }
+ touch = newTouch;
+ }
+ touch.type = 'dblclick';
+ handler(touch);
+ last = null;
+ }
+ }
+ obj[pre + touchstart + id] = onTouchStart;
+ obj[pre + touchend + id] = onTouchEnd;
+
+ // on pointer we need to listen on the document, otherwise a drag starting on the map and moving off screen
+ // will not come through to us, so we will lose track of how many touches are ongoing
+ var endElement = L.Browser.pointer ? document.documentElement : obj;
+
+ obj.addEventListener(touchstart, onTouchStart, false);
+ endElement.addEventListener(touchend, onTouchEnd, false);
+
+ if (L.Browser.pointer) {
+ endElement.addEventListener(L.DomEvent.POINTER_CANCEL, onTouchEnd, false);
+ }
+
+ return this;
+ },
+
+ removeDoubleTapListener: function (obj, id) {
+ var pre = '_leaflet_';
+
+ obj.removeEventListener(this._touchstart, obj[pre + this._touchstart + id], false);
+ (L.Browser.pointer ? document.documentElement : obj).removeEventListener(
+ this._touchend, obj[pre + this._touchend + id], false);
+
+ if (L.Browser.pointer) {
+ document.documentElement.removeEventListener(L.DomEvent.POINTER_CANCEL, obj[pre + this._touchend + id],
+ false);
+ }
+
+ return this;
+ }
+});
+
+
+/*
+ * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices.
+ */
+
+L.extend(L.DomEvent, {
+
+ //static
+ POINTER_DOWN: L.Browser.msPointer ? 'MSPointerDown' : 'pointerdown',
+ POINTER_MOVE: L.Browser.msPointer ? 'MSPointerMove' : 'pointermove',
+ POINTER_UP: L.Browser.msPointer ? 'MSPointerUp' : 'pointerup',
+ POINTER_CANCEL: L.Browser.msPointer ? 'MSPointerCancel' : 'pointercancel',
+
+ _pointers: [],
+ _pointerDocumentListener: false,
+
+ // Provides a touch events wrapper for (ms)pointer events.
+ // Based on changes by veproza https://github.com/CloudMade/Leaflet/pull/1019
+ //ref http://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890
+
+ addPointerListener: function (obj, type, handler, id) {
+
+ switch (type) {
+ case 'touchstart':
+ return this.addPointerListenerStart(obj, type, handler, id);
+ case 'touchend':
+ return this.addPointerListenerEnd(obj, type, handler, id);
+ case 'touchmove':
+ return this.addPointerListenerMove(obj, type, handler, id);
+ default:
+ throw 'Unknown touch event type';
+ }
+ },
+
+ addPointerListenerStart: function (obj, type, handler, id) {
+ var pre = '_leaflet_',
+ pointers = this._pointers;
+
+ var cb = function (e) {
+ if (e.pointerType !== 'mouse' && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) {
+ L.DomEvent.preventDefault(e);
+ }
+
+ var alreadyInArray = false;
+ for (var i = 0; i < pointers.length; i++) {
+ if (pointers[i].pointerId === e.pointerId) {
+ alreadyInArray = true;
+ break;
+ }
+ }
+ if (!alreadyInArray) {
+ pointers.push(e);
+ }
+
+ e.touches = pointers.slice();
+ e.changedTouches = [e];
+
+ handler(e);
+ };
+
+ obj[pre + 'touchstart' + id] = cb;
+ obj.addEventListener(this.POINTER_DOWN, cb, false);
+
+ // need to also listen for end events to keep the _pointers list accurate
+ // this needs to be on the body and never go away
+ if (!this._pointerDocumentListener) {
+ var internalCb = function (e) {
+ for (var i = 0; i < pointers.length; i++) {
+ if (pointers[i].pointerId === e.pointerId) {
+ pointers.splice(i, 1);
+ break;
+ }
+ }
+ };
+ //We listen on the documentElement as any drags that end by moving the touch off the screen get fired there
+ document.documentElement.addEventListener(this.POINTER_UP, internalCb, false);
+ document.documentElement.addEventListener(this.POINTER_CANCEL, internalCb, false);
+
+ this._pointerDocumentListener = true;
+ }
+
+ return this;
+ },
+
+ addPointerListenerMove: function (obj, type, handler, id) {
+ var pre = '_leaflet_',
+ touches = this._pointers;
+
+ function cb(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; }
+
+ for (var i = 0; i < touches.length; i++) {
+ if (touches[i].pointerId === e.pointerId) {
+ touches[i] = e;
+ break;
+ }
+ }
+
+ e.touches = touches.slice();
+ e.changedTouches = [e];
+
+ handler(e);
+ }
+
+ obj[pre + 'touchmove' + id] = cb;
+ obj.addEventListener(this.POINTER_MOVE, cb, false);
+
+ return this;
+ },
- delta = Math.max(Math.min(delta, 4), -4);
- delta = map._limitZoom(zoom + delta) - zoom;
+ addPointerListenerEnd: function (obj, type, handler, id) {
+ var pre = '_leaflet_',
+ touches = this._pointers;
- this._delta = 0;
+ var cb = function (e) {
+ for (var i = 0; i < touches.length; i++) {
+ if (touches[i].pointerId === e.pointerId) {
+ touches.splice(i, 1);
+ break;
+ }
+ }
- this._startTime = null;
+ e.touches = touches.slice();
+ e.changedTouches = [e];
- if (!delta) { return; }
+ handler(e);
+ };
- var newZoom = zoom + delta,
- newCenter = this._getCenterForScrollWheelZoom(newZoom);
+ obj[pre + 'touchend' + id] = cb;
+ obj.addEventListener(this.POINTER_UP, cb, false);
+ obj.addEventListener(this.POINTER_CANCEL, cb, false);
- map.setView(newCenter, newZoom);
+ return this;
},
- _getCenterForScrollWheelZoom: function (newZoom) {
- var map = this._map,
- scale = map.getZoomScale(newZoom),
- viewHalf = map.getSize()._divideBy(2),
- centerOffset = this._lastMousePos._subtract(viewHalf)._multiplyBy(1 - 1 / scale),
- newCenterPoint = map._getTopLeftPoint()._add(viewHalf)._add(centerOffset);
+ removePointerListener: function (obj, type, id) {
+ var pre = '_leaflet_',
+ cb = obj[pre + type + id];
+
+ switch (type) {
+ case 'touchstart':
+ obj.removeEventListener(this.POINTER_DOWN, cb, false);
+ break;
+ case 'touchmove':
+ obj.removeEventListener(this.POINTER_MOVE, cb, false);
+ break;
+ case 'touchend':
+ obj.removeEventListener(this.POINTER_UP, cb, false);
+ obj.removeEventListener(this.POINTER_CANCEL, cb, false);
+ break;
+ }
- return map.unproject(newCenterPoint);
+ return this;
}
});
-L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);
-
-
-L.Util.extend(L.DomEvent, {\r
- // inspired by Zepto touch code by Thomas Fuchs\r
- addDoubleTapListener: function (obj, handler, id) {\r
- var last,\r
- doubleTap = false,\r
- delay = 250,\r
- touch,\r
- pre = '_leaflet_',\r
- touchstart = 'touchstart',\r
- touchend = 'touchend';\r
-\r
- function onTouchStart(e) {\r
- if (e.touches.length !== 1) {\r
- return;\r
- }\r
-\r
- var now = Date.now(),\r
- delta = now - (last || now);\r
-\r
- touch = e.touches[0];\r
- doubleTap = (delta > 0 && delta <= delay);\r
- last = now;\r
- }\r
- function onTouchEnd(e) {\r
- if (doubleTap) {\r
- touch.type = 'dblclick';\r
- handler(touch);\r
- last = null;\r
- }\r
- }\r
- obj[pre + touchstart + id] = onTouchStart;\r
- obj[pre + touchend + id] = onTouchEnd;\r
-\r
- obj.addEventListener(touchstart, onTouchStart, false);\r
- obj.addEventListener(touchend, onTouchEnd, false);\r
- return this;\r
- },\r
-\r
- removeDoubleTapListener: function (obj, id) {\r
- var pre = '_leaflet_';\r
- obj.removeEventListener(obj, obj[pre + 'touchstart' + id], false);\r
- obj.removeEventListener(obj, obj[pre + 'touchend' + id], false);\r
- return this;\r
- }\r
-});\r
-
/*
- * L.Handler.TouchZoom is used internally by L.Map to add touch-zooming on Webkit-powered mobile browsers.
+ * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers.
*/
L.Map.mergeOptions({
- touchZoom: L.Browser.touch && !L.Browser.android23
+ touchZoom: L.Browser.touch && !L.Browser.android23,
+ bounceAtZoomLimits: true
});
L.Map.TouchZoom = L.Handler.extend({
if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; }
var p1 = map.mouseEventToLayerPoint(e.touches[0]),
- p2 = map.mouseEventToLayerPoint(e.touches[1]),
- viewCenter = map._getCenterLayerPoint();
+ p2 = map.mouseEventToLayerPoint(e.touches[1]),
+ viewCenter = map._getCenterLayerPoint();
this._startCenter = p1.add(p2)._divideBy(2);
this._startDist = p1.distanceTo(p2);
}
L.DomEvent
- .on(document, 'touchmove', this._onTouchMove, this)
- .on(document, 'touchend', this._onTouchEnd, this);
+ .on(document, 'touchmove', this._onTouchMove, this)
+ .on(document, 'touchend', this._onTouchEnd, this);
L.DomEvent.preventDefault(e);
},
_onTouchMove: function (e) {
- if (!e.touches || e.touches.length !== 2) { return; }
-
var map = this._map;
+ if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; }
+
var p1 = map.mouseEventToLayerPoint(e.touches[0]),
- p2 = map.mouseEventToLayerPoint(e.touches[1]);
+ p2 = map.mouseEventToLayerPoint(e.touches[1]);
this._scale = p1.distanceTo(p2) / this._startDist;
this._delta = p1._add(p2)._divideBy(2)._subtract(this._startCenter);
if (this._scale === 1) { return; }
+ if (!map.options.bounceAtZoomLimits) {
+ if ((map.getZoom() === map.getMinZoom() && this._scale < 1) ||
+ (map.getZoom() === map.getMaxZoom() && this._scale > 1)) { return; }
+ }
+
if (!this._moved) {
- L.DomUtil.addClass(map._mapPane, 'leaflet-zoom-anim leaflet-touching');
+ L.DomUtil.addClass(map._mapPane, 'leaflet-touching');
map
- .fire('movestart')
- .fire('zoomstart')
- ._prepareTileBg();
+ .fire('movestart')
+ .fire('zoomstart');
this._moved = true;
}
L.Util.cancelAnimFrame(this._animRequest);
- this._animRequest = L.Util.requestAnimFrame(this._updateOnMove, this, true, this._map._container);
+ this._animRequest = L.Util.requestAnimFrame(
+ this._updateOnMove, this, true, this._map._container);
L.DomEvent.preventDefault(e);
},
_updateOnMove: function () {
var map = this._map,
- origin = this._getScaleOrigin(),
- center = map.layerPointToLatLng(origin);
-
- map.fire('zoomanim', {
- center: center,
- zoom: map.getScaleZoom(this._scale)
- });
-
- // Used 2 translates instead of transform-origin because of a very strange bug -
- // it didn't count the origin on the first touch-zoom but worked correctly afterwards
+ origin = this._getScaleOrigin(),
+ center = map.layerPointToLatLng(origin),
+ zoom = map.getScaleZoom(this._scale);
- map._tileBg.style[L.DomUtil.TRANSFORM] =
- L.DomUtil.getTranslateString(this._delta) + ' ' +
- L.DomUtil.getScaleString(this._scale, this._startCenter);
+ map._animateZoom(center, zoom, this._startCenter, this._scale, this._delta, false, true);
},
- _onTouchEnd: function (e) {
- if (!this._moved || !this._zooming) { return; }
+ _onTouchEnd: function () {
+ if (!this._moved || !this._zooming) {
+ this._zooming = false;
+ return;
+ }
var map = this._map;
this._zooming = false;
L.DomUtil.removeClass(map._mapPane, 'leaflet-touching');
+ L.Util.cancelAnimFrame(this._animRequest);
L.DomEvent
- .off(document, 'touchmove', this._onTouchMove)
- .off(document, 'touchend', this._onTouchEnd);
+ .off(document, 'touchmove', this._onTouchMove)
+ .off(document, 'touchend', this._onTouchEnd);
var origin = this._getScaleOrigin(),
- center = map.layerPointToLatLng(origin),
+ center = map.layerPointToLatLng(origin),
- oldZoom = map.getZoom(),
- floatZoomDelta = map.getScaleZoom(this._scale) - oldZoom,
- roundZoomDelta = (floatZoomDelta > 0 ? Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)),
- zoom = map._limitZoom(oldZoom + roundZoomDelta);
+ oldZoom = map.getZoom(),
+ floatZoomDelta = map.getScaleZoom(this._scale) - oldZoom,
+ roundZoomDelta = (floatZoomDelta > 0 ?
+ Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)),
- map.fire('zoomanim', {
- center: center,
- zoom: zoom
- });
+ zoom = map._limitZoom(oldZoom + roundZoomDelta),
+ scale = map.getZoomScale(zoom) / this._scale;
- map._runAnimation(center, zoom, map.getZoomScale(zoom) / this._scale, origin, true);
+ map._animateZoom(center, zoom, origin, scale);
},
_getScaleOrigin: function () {
/*
- * L.Handler.ShiftDragZoom is used internally by L.Map to add shift-drag zoom (zoom to a selected bounding box).
+ * L.Map.Tap is used to enable mobile hacks like quick taps and long hold.
+ */
+
+L.Map.mergeOptions({
+ tap: true,
+ tapTolerance: 15
+});
+
+L.Map.Tap = L.Handler.extend({
+ addHooks: function () {
+ L.DomEvent.on(this._map._container, 'touchstart', this._onDown, this);
+ },
+
+ removeHooks: function () {
+ L.DomEvent.off(this._map._container, 'touchstart', this._onDown, this);
+ },
+
+ _onDown: function (e) {
+ if (!e.touches) { return; }
+
+ L.DomEvent.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 L.Point(first.clientX, first.clientY);
+
+ // if touching a link, highlight it
+ if (el.tagName && el.tagName.toLowerCase() === 'a') {
+ L.DomUtil.addClass(el, 'leaflet-active');
+ }
+
+ // simulate long hold but setting a timeout
+ this._holdTimeout = setTimeout(L.bind(function () {
+ if (this._isTapValid()) {
+ this._fireClick = false;
+ this._onUp();
+ this._simulateEvent('contextmenu', first);
+ }
+ }, this), 1000);
+
+ L.DomEvent
+ .on(document, 'touchmove', this._onMove, this)
+ .on(document, 'touchend', this._onUp, this);
+ },
+
+ _onUp: function (e) {
+ clearTimeout(this._holdTimeout);
+
+ L.DomEvent
+ .off(document, 'touchmove', this._onMove, this)
+ .off(document, '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') {
+ L.DomUtil.removeClass(el, 'leaflet-active');
+ }
+
+ // 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 L.Point(first.clientX, first.clientY);
+ },
+
+ _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);
+ }
+});
+
+if (L.Browser.touch && !L.Browser.pointer) {
+ L.Map.addInitHook('addHandler', 'tap', L.Map.Tap);
+}
+
+
+/*
+ * L.Handler.ShiftDragZoom is used to add shift-drag zoom interaction to the map
+ * (zoom to a selected bounding box), enabled by default.
*/
L.Map.mergeOptions({
this._map = map;
this._container = map._container;
this._pane = map._panes.overlayPane;
+ this._moved = false;
},
addHooks: function () {
removeHooks: function () {
L.DomEvent.off(this._container, 'mousedown', this._onMouseDown);
+ this._moved = false;
+ },
+
+ moved: function () {
+ return this._moved;
},
_onMouseDown: function (e) {
+ this._moved = false;
+
if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }
L.DomUtil.disableTextSelection();
+ L.DomUtil.disableImageDrag();
this._startLayerPoint = this._map.mouseEventToLayerPoint(e);
- this._box = L.DomUtil.create('div', 'leaflet-zoom-box', this._pane);
- L.DomUtil.setPosition(this._box, this._startLayerPoint);
-
- //TODO refactor: move cursor to styles
- this._container.style.cursor = 'crosshair';
-
L.DomEvent
- .on(document, 'mousemove', this._onMouseMove, this)
- .on(document, 'mouseup', this._onMouseUp, this)
- .preventDefault(e);
-
- this._map.fire("boxzoomstart");
+ .on(document, 'mousemove', this._onMouseMove, this)
+ .on(document, 'mouseup', this._onMouseUp, this)
+ .on(document, 'keydown', this._onKeyDown, this);
},
_onMouseMove: function (e) {
+ if (!this._moved) {
+ this._box = L.DomUtil.create('div', 'leaflet-zoom-box', this._pane);
+ L.DomUtil.setPosition(this._box, this._startLayerPoint);
+
+ //TODO refactor: move cursor to styles
+ this._container.style.cursor = 'crosshair';
+ this._map.fire('boxzoomstart');
+ }
+
var startPoint = this._startLayerPoint,
- box = this._box,
+ box = this._box,
- layerPoint = this._map.mouseEventToLayerPoint(e),
- offset = layerPoint.subtract(startPoint),
+ layerPoint = this._map.mouseEventToLayerPoint(e),
+ offset = layerPoint.subtract(startPoint),
- newPos = new L.Point(
- Math.min(layerPoint.x, startPoint.x),
- Math.min(layerPoint.y, startPoint.y));
+ newPos = new L.Point(
+ Math.min(layerPoint.x, startPoint.x),
+ Math.min(layerPoint.y, startPoint.y));
L.DomUtil.setPosition(box, newPos);
+ this._moved = true;
+
// TODO refactor: remove hardcoded 4 pixels
- box.style.width = (Math.abs(offset.x) - 4) + 'px';
- box.style.height = (Math.abs(offset.y) - 4) + 'px';
+ box.style.width = (Math.max(0, Math.abs(offset.x) - 4)) + 'px';
+ box.style.height = (Math.max(0, Math.abs(offset.y) - 4)) + 'px';
},
- _onMouseUp: function (e) {
- this._pane.removeChild(this._box);
- this._container.style.cursor = '';
+ _finish: function () {
+ if (this._moved) {
+ this._pane.removeChild(this._box);
+ this._container.style.cursor = '';
+ }
L.DomUtil.enableTextSelection();
+ L.DomUtil.enableImageDrag();
L.DomEvent
- .off(document, 'mousemove', this._onMouseMove)
- .off(document, 'mouseup', this._onMouseUp);
+ .off(document, 'mousemove', this._onMouseMove)
+ .off(document, 'mouseup', this._onMouseUp)
+ .off(document, 'keydown', this._onKeyDown);
+ },
+
+ _onMouseUp: function (e) {
+
+ this._finish();
var map = this._map,
- layerPoint = map.mouseEventToLayerPoint(e);
+ layerPoint = map.mouseEventToLayerPoint(e);
+
+ if (this._startLayerPoint.equals(layerPoint)) { return; }
var bounds = new L.LatLngBounds(
- map.layerPointToLatLng(this._startLayerPoint),
- map.layerPointToLatLng(layerPoint));
+ map.layerPointToLatLng(this._startLayerPoint),
+ map.layerPointToLatLng(layerPoint));
map.fitBounds(bounds);
-
- map.fire("boxzoomend", {
+
+ map.fire('boxzoomend', {
boxZoomBounds: bounds
});
+ },
+
+ _onKeyDown: function (e) {
+ if (e.keyCode === 27) {
+ this._finish();
+ }
}
});
L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);
+/*
+ * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default.
+ */
+
L.Map.mergeOptions({
keyboard: true,
keyboardPanOffset: 80,
L.Map.Keyboard = L.Handler.extend({
- // list of e.keyCode values for particular actions
keyCodes: {
left: [37],
right: [39],
down: [40],
up: [38],
- zoomIn: [187, 107, 61],
- zoomOut: [189, 109]
+ zoomIn: [187, 107, 61, 171],
+ zoomOut: [189, 109, 173]
},
initialize: function (map) {
// make the container focusable by tabbing
if (container.tabIndex === -1) {
- container.tabIndex = "0";
+ container.tabIndex = '0';
}
L.DomEvent
- .addListener(container, 'focus', this._onFocus, this)
- .addListener(container, 'blur', this._onBlur, this)
- .addListener(container, 'mousedown', this._onMouseDown, this);
+ .on(container, 'focus', this._onFocus, this)
+ .on(container, 'blur', this._onBlur, this)
+ .on(container, 'mousedown', this._onMouseDown, this);
this._map
- .on('focus', this._addHooks, this)
- .on('blur', this._removeHooks, this);
+ .on('focus', this._addHooks, this)
+ .on('blur', this._removeHooks, this);
},
removeHooks: function () {
this._removeHooks();
var container = this._map._container;
+
L.DomEvent
- .removeListener(container, 'focus', this._onFocus, this)
- .removeListener(container, 'blur', this._onBlur, this)
- .removeListener(container, 'mousedown', this._onMouseDown, this);
+ .off(container, 'focus', this._onFocus, this)
+ .off(container, 'blur', this._onBlur, this)
+ .off(container, 'mousedown', this._onMouseDown, this);
this._map
- .off('focus', this._addHooks, this)
- .off('blur', this._removeHooks, this);
+ .off('focus', this._addHooks, this)
+ .off('blur', this._removeHooks, this);
},
_onMouseDown: function () {
- if (!this._focused) {
- this._map._container.focus();
- }
+ 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 () {
_setZoomOffset: function (zoom) {
var keys = this._zoomKeys = {},
- codes = this.keyCodes,
+ codes = this.keyCodes,
i, len;
for (i = 0, len = codes.zoomIn.length; i < len; i++) {
},
_addHooks: function () {
- L.DomEvent.addListener(document, 'keydown', this._onKeyDown, this);
+ L.DomEvent.on(document, 'keydown', this._onKeyDown, this);
},
_removeHooks: function () {
- L.DomEvent.removeListener(document, 'keydown', this._onKeyDown, this);
+ L.DomEvent.off(document, 'keydown', this._onKeyDown, this);
},
_onKeyDown: function (e) {
- var key = e.keyCode;
+ var key = e.keyCode,
+ map = this._map;
- if (this._panKeys.hasOwnProperty(key)) {
- this._map.panBy(this._panKeys[key]);
+ if (key in this._panKeys) {
+
+ if (map._panAnim && map._panAnim._inProgress) { return; }
+
+ map.panBy(this._panKeys[key]);
+
+ if (map.options.maxBounds) {
+ map.panInsideBounds(map.options.maxBounds);
+ }
- } else if (this._zoomKeys.hasOwnProperty(key)) {
- this._map.setZoom(this._map.getZoom() + this._zoomKeys[key]);
+ } else if (key in this._zoomKeys) {
+ map.setZoom(map.getZoom() + this._zoomKeys[key]);
} else {
return;
addHooks: function () {
var icon = this._marker._icon;
if (!this._draggable) {
- this._draggable = new L.Draggable(icon, icon)
- .on('dragstart', this._onDragStart, this)
- .on('drag', this._onDrag, this)
- .on('dragend', this._onDragEnd, this);
+ this._draggable = new L.Draggable(icon, icon);
}
+
+ this._draggable
+ .on('dragstart', this._onDragStart, this)
+ .on('drag', this._onDrag, this)
+ .on('dragend', this._onDragEnd, this);
this._draggable.enable();
+ L.DomUtil.addClass(this._marker._icon, 'leaflet-marker-draggable');
},
removeHooks: function () {
+ this._draggable
+ .off('dragstart', this._onDragStart, this)
+ .off('drag', this._onDrag, this)
+ .off('dragend', this._onDragEnd, this);
+
this._draggable.disable();
+ L.DomUtil.removeClass(this._marker._icon, 'leaflet-marker-draggable');
},
moved: function () {
return this._draggable && this._draggable._moved;
},
- _onDragStart: function (e) {
+ _onDragStart: function () {
this._marker
- .closePopup()
- .fire('movestart')
- .fire('dragstart');
+ .closePopup()
+ .fire('movestart')
+ .fire('dragstart');
},
- _onDrag: function (e) {
+ _onDrag: function () {
+ var marker = this._marker,
+ shadow = marker._shadow,
+ iconPos = L.DomUtil.getPosition(marker._icon),
+ latlng = marker._map.layerPointToLatLng(iconPos);
+
// update shadow position
- var iconPos = L.DomUtil.getPosition(this._marker._icon);
- if (this._marker._shadow) {
- L.DomUtil.setPosition(this._marker._shadow, iconPos);
+ if (shadow) {
+ L.DomUtil.setPosition(shadow, iconPos);
}
- this._marker._latlng = this._marker._map.layerPointToLatLng(iconPos);
+ marker._latlng = latlng;
- this._marker
- .fire('move')
- .fire('drag');
+ marker
+ .fire('move', {latlng: latlng})
+ .fire('drag');
},
- _onDragEnd: function () {
+ _onDragEnd: function (e) {
this._marker
- .fire('moveend')
- .fire('dragend');
+ .fire('moveend')
+ .fire('dragend', e);
}
});
-L.Handler.PolyEdit = L.Handler.extend({
+/*
+ * L.Control is a base class for implementing map controls. Handles positioning.
+ * All other controls extend from this class.
+ */
+
+L.Control = L.Class.extend({
options: {
- icon: new L.DivIcon({
- iconSize: new L.Point(8, 8),
- className: 'leaflet-div-icon leaflet-editing-icon'
- })
+ position: 'topright'
},
- initialize: function (poly, options) {
- this._poly = poly;
- L.Util.setOptions(this, options);
+ initialize: function (options) {
+ L.setOptions(this, options);
},
- addHooks: function () {
- if (this._poly._map) {
- if (!this._markerGroup) {
- this._initMarkers();
- }
- this._poly._map.addLayer(this._markerGroup);
- }
+ getPosition: function () {
+ return this.options.position;
},
- removeHooks: function () {
- if (this._poly._map) {
- this._poly._map.removeLayer(this._markerGroup);
- delete this._markerGroup;
- delete this._markers;
+ setPosition: function (position) {
+ var map = this._map;
+
+ if (map) {
+ map.removeControl(this);
}
- },
- updateMarkers: function () {
- this._markerGroup.clearLayers();
- this._initMarkers();
- },
+ this.options.position = position;
- _initMarkers: function () {
- if (!this._markerGroup) {
- this._markerGroup = new L.LayerGroup();
+ if (map) {
+ map.addControl(this);
}
- this._markers = [];
- var latlngs = this._poly._latlngs,
- i, j, len, marker;
+ return this;
+ },
+
+ getContainer: function () {
+ return this._container;
+ },
- // TODO refactor holes implementation in Polygon to support it here
+ addTo: function (map) {
+ this._map = map;
- for (i = 0, len = latlngs.length; i < len; i++) {
+ var container = this._container = this.onAdd(map),
+ pos = this.getPosition(),
+ corner = map._controlCorners[pos];
- marker = this._createMarker(latlngs[i], i);
- marker.on('click', this._onMarkerClick, this);
- this._markers.push(marker);
+ L.DomUtil.addClass(container, 'leaflet-control');
+
+ if (pos.indexOf('bottom') !== -1) {
+ corner.insertBefore(container, corner.firstChild);
+ } else {
+ corner.appendChild(container);
}
- var markerLeft, markerRight;
+ return this;
+ },
- for (i = 0, j = len - 1; i < len; j = i++) {
- if (i === 0 && !(L.Polygon && (this._poly instanceof L.Polygon))) {
- continue;
- }
+ removeFrom: function (map) {
+ var pos = this.getPosition(),
+ corner = map._controlCorners[pos];
- markerLeft = this._markers[j];
- markerRight = this._markers[i];
+ corner.removeChild(this._container);
+ this._map = null;
- this._createMiddleMarker(markerLeft, markerRight);
- this._updatePrevNext(markerLeft, markerRight);
+ if (this.onRemove) {
+ this.onRemove(map);
}
+
+ return this;
},
- _createMarker: function (latlng, index) {
- var marker = new L.Marker(latlng, {
- draggable: true,
- icon: this.options.icon
- });
+ _refocusOnMap: function () {
+ if (this._map) {
+ this._map.getContainer().focus();
+ }
+ }
+});
- marker._origLatLng = latlng;
- marker._index = index;
+L.control = function (options) {
+ return new L.Control(options);
+};
- marker.on('drag', this._onMarkerDrag, this);
- marker.on('dragend', this._fireEdit, this);
- this._markerGroup.addLayer(marker);
+// adds control-related methods to L.Map
- return marker;
+L.Map.include({
+ addControl: function (control) {
+ control.addTo(this);
+ return this;
},
- _fireEdit: function () {
- this._poly.fire('edit');
+ removeControl: function (control) {
+ control.removeFrom(this);
+ return this;
},
- _onMarkerDrag: function (e) {
- var marker = e.target;
+ _initControlPos: function () {
+ var corners = this._controlCorners = {},
+ l = 'leaflet-',
+ container = this._controlContainer =
+ L.DomUtil.create('div', l + 'control-container', this._container);
- L.Util.extend(marker._origLatLng, marker._latlng);
+ function createCorner(vSide, hSide) {
+ var className = l + vSide + ' ' + l + hSide;
- if (marker._middleLeft) {
- marker._middleLeft.setLatLng(this._getMiddleLatLng(marker._prev, marker));
- }
- if (marker._middleRight) {
- marker._middleRight.setLatLng(this._getMiddleLatLng(marker, marker._next));
+ corners[vSide + hSide] = L.DomUtil.create('div', className, container);
}
- this._poly.redraw();
+ createCorner('top', 'left');
+ createCorner('top', 'right');
+ createCorner('bottom', 'left');
+ createCorner('bottom', 'right');
},
- _onMarkerClick: function (e) {
- // Default action on marker click is to remove that marker, but if we remove the marker when latlng count < 3, we don't have a valid polyline anymore
- if (this._poly._latlngs.length < 3) {
- return;
- }
+ _clearControlPos: function () {
+ this._container.removeChild(this._controlContainer);
+ }
+});
- var marker = e.target,
- i = marker._index;
- // Check existence of previous and next markers since they wouldn't exist for edge points on the polyline
- if (marker._prev && marker._next) {
- this._createMiddleMarker(marker._prev, marker._next);
- } else if (!marker._prev) {
- marker._next._middleLeft = null;
- } else if (!marker._next) {
- marker._prev._middleRight = null;
- }
- this._updatePrevNext(marker._prev, marker._next);
+/*
+ * L.Control.Zoom is used for the default zoom buttons on the map.
+ */
- // The marker itself is guaranteed to exist and present in the layer, since we managed to click on it
- this._markerGroup.removeLayer(marker);
- // Check for the existence of middle left or middle right
- if (marker._middleLeft) {
- this._markerGroup.removeLayer(marker._middleLeft);
- }
- if (marker._middleRight) {
- this._markerGroup.removeLayer(marker._middleRight);
- }
- this._markers.splice(i, 1);
- this._poly.spliceLatLngs(i, 1);
- this._updateIndexes(i, -1);
- this._poly.fire('edit');
+L.Control.Zoom = L.Control.extend({
+ options: {
+ position: 'topleft',
+ zoomInText: '+',
+ zoomInTitle: 'Zoom in',
+ zoomOutText: '-',
+ zoomOutTitle: 'Zoom out'
},
- _updateIndexes: function (index, delta) {
- this._markerGroup.eachLayer(function (marker) {
- if (marker._index > index) {
- marker._index += delta;
- }
- });
+ onAdd: function (map) {
+ var zoomName = 'leaflet-control-zoom',
+ container = L.DomUtil.create('div', zoomName + ' leaflet-bar');
+
+ this._map = map;
+
+ this._zoomInButton = this._createButton(
+ this.options.zoomInText, this.options.zoomInTitle,
+ zoomName + '-in', container, this._zoomIn, this);
+ this._zoomOutButton = this._createButton(
+ this.options.zoomOutText, this.options.zoomOutTitle,
+ zoomName + '-out', container, this._zoomOut, this);
+
+ this._updateDisabled();
+ map.on('zoomend zoomlevelschange', this._updateDisabled, this);
+
+ return container;
+ },
+
+ onRemove: function (map) {
+ map.off('zoomend zoomlevelschange', this._updateDisabled, this);
},
- _createMiddleMarker: function (marker1, marker2) {
- var latlng = this._getMiddleLatLng(marker1, marker2),
- marker = this._createMarker(latlng),
- onClick,
- onDragStart,
- onDragEnd;
+ _zoomIn: function (e) {
+ this._map.zoomIn(e.shiftKey ? 3 : 1);
+ },
- marker.setOpacity(0.6);
+ _zoomOut: function (e) {
+ this._map.zoomOut(e.shiftKey ? 3 : 1);
+ },
- marker1._middleRight = marker2._middleLeft = marker;
+ _createButton: function (html, title, className, container, fn, context) {
+ var link = L.DomUtil.create('a', className, container);
+ link.innerHTML = html;
+ link.href = '#';
+ link.title = title;
- onDragStart = function () {
- var i = marker2._index;
+ var stop = L.DomEvent.stopPropagation;
- marker._index = i;
+ L.DomEvent
+ .on(link, 'click', stop)
+ .on(link, 'mousedown', stop)
+ .on(link, 'dblclick', stop)
+ .on(link, 'click', L.DomEvent.preventDefault)
+ .on(link, 'click', fn, context)
+ .on(link, 'click', this._refocusOnMap, context);
+
+ return link;
+ },
- marker
- .off('click', onClick)
- .on('click', this._onMarkerClick, this);
+ _updateDisabled: function () {
+ var map = this._map,
+ className = 'leaflet-disabled';
- latlng.lat = marker.getLatLng().lat;
- latlng.lng = marker.getLatLng().lng;
- this._poly.spliceLatLngs(i, 0, latlng);
- this._markers.splice(i, 0, marker);
+ L.DomUtil.removeClass(this._zoomInButton, className);
+ L.DomUtil.removeClass(this._zoomOutButton, className);
- marker.setOpacity(1);
+ if (map._zoom === map.getMinZoom()) {
+ L.DomUtil.addClass(this._zoomOutButton, className);
+ }
+ if (map._zoom === map.getMaxZoom()) {
+ L.DomUtil.addClass(this._zoomInButton, className);
+ }
+ }
+});
- this._updateIndexes(i, 1);
- marker2._index++;
- this._updatePrevNext(marker1, marker);
- this._updatePrevNext(marker, marker2);
- };
+L.Map.mergeOptions({
+ zoomControl: true
+});
- onDragEnd = function () {
- marker.off('dragstart', onDragStart, this);
- marker.off('dragend', onDragEnd, this);
+L.Map.addInitHook(function () {
+ if (this.options.zoomControl) {
+ this.zoomControl = new L.Control.Zoom();
+ this.addControl(this.zoomControl);
+ }
+});
- this._createMiddleMarker(marker1, marker);
- this._createMiddleMarker(marker, marker2);
- };
+L.control.zoom = function (options) {
+ return new L.Control.Zoom(options);
+};
- onClick = function () {
- onDragStart.call(this);
- onDragEnd.call(this);
- this._poly.fire('edit');
- };
- marker
- .on('click', onClick, this)
- .on('dragstart', onDragStart, this)
- .on('dragend', onDragEnd, this);
- this._markerGroup.addLayer(marker);
+/*
+ * L.Control.Attribution is used for displaying attribution on the map (added by default).
+ */
+
+L.Control.Attribution = L.Control.extend({
+ options: {
+ position: 'bottomright',
+ prefix: '<a href="http://leafletjs.com" title="A JS library for interactive maps">Leaflet</a>'
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+
+ this._attributions = {};
+ },
+
+ onAdd: function (map) {
+ this._container = L.DomUtil.create('div', 'leaflet-control-attribution');
+ L.DomEvent.disableClickPropagation(this._container);
+
+ for (var i in map._layers) {
+ if (map._layers[i].getAttribution) {
+ this.addAttribution(map._layers[i].getAttribution());
+ }
+ }
+
+ map
+ .on('layeradd', this._onLayerAdd, this)
+ .on('layerremove', this._onLayerRemove, this);
+
+ this._update();
+
+ return this._container;
+ },
+
+ onRemove: function (map) {
+ map
+ .off('layeradd', this._onLayerAdd)
+ .off('layerremove', this._onLayerRemove);
+
+ },
+
+ setPrefix: function (prefix) {
+ this.options.prefix = prefix;
+ this._update();
+ return this;
},
- _updatePrevNext: function (marker1, marker2) {
- if (marker1) {
- marker1._next = marker2;
+ addAttribution: function (text) {
+ if (!text) { return; }
+
+ if (!this._attributions[text]) {
+ this._attributions[text] = 0;
}
- if (marker2) {
- marker2._prev = marker1;
+ this._attributions[text]++;
+
+ this._update();
+
+ return this;
+ },
+
+ removeAttribution: function (text) {
+ if (!text) { return; }
+
+ if (this._attributions[text]) {
+ this._attributions[text]--;
+ this._update();
}
+
+ return this;
},
- _getMiddleLatLng: function (marker1, marker2) {
- var map = this._poly._map,
- p1 = map.latLngToLayerPoint(marker1.getLatLng()),
- p2 = map.latLngToLayerPoint(marker2.getLatLng());
+ _update: function () {
+ if (!this._map) { return; }
- return map.layerPointToLatLng(p1._add(p2)._divideBy(2));
- }
-});
+ var attribs = [];
+ for (var i in this._attributions) {
+ if (this._attributions[i]) {
+ attribs.push(i);
+ }
+ }
-\r
-L.Control = L.Class.extend({\r
- options: {\r
- position: 'topright'\r
- },\r
-\r
- initialize: function (options) {\r
- L.Util.setOptions(this, options);\r
- },\r
-\r
- getPosition: function () {\r
- return this.options.position;\r
- },\r
-\r
- setPosition: function (position) {\r
- var map = this._map;\r
-\r
- if (map) {\r
- map.removeControl(this);\r
- }\r
-\r
- this.options.position = position;\r
-\r
- if (map) {\r
- map.addControl(this);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- addTo: function (map) {\r
- this._map = map;\r
-\r
- var container = this._container = this.onAdd(map),\r
- pos = this.getPosition(),\r
- corner = map._controlCorners[pos];\r
-\r
- L.DomUtil.addClass(container, 'leaflet-control');\r
-\r
- if (pos.indexOf('bottom') !== -1) {\r
- corner.insertBefore(container, corner.firstChild);\r
- } else {\r
- corner.appendChild(container);\r
- }\r
-\r
- return this;\r
- },\r
-\r
- removeFrom: function (map) {\r
- var pos = this.getPosition(),\r
- corner = map._controlCorners[pos];\r
-\r
- corner.removeChild(this._container);\r
- this._map = null;\r
-\r
- if (this.onRemove) {\r
- this.onRemove(map);\r
- }\r
-\r
- return this;\r
- }\r
-});\r
-\r
-L.control = function (options) {\r
- return new L.Control(options);\r
-};\r
+ var prefixAndAttribs = [];
+ if (this.options.prefix) {
+ prefixAndAttribs.push(this.options.prefix);
+ }
+ if (attribs.length) {
+ prefixAndAttribs.push(attribs.join(', '));
+ }
-L.Map.include({
- addControl: function (control) {
- control.addTo(this);
- return this;
+ this._container.innerHTML = prefixAndAttribs.join(' | ');
},
- removeControl: function (control) {
- control.removeFrom(this);
- return this;
+ _onLayerAdd: function (e) {
+ if (e.layer.getAttribution) {
+ this.addAttribution(e.layer.getAttribution());
+ }
},
- _initControlPos: function () {
- var corners = this._controlCorners = {},
- l = 'leaflet-',
- container = this._controlContainer =
- L.DomUtil.create('div', l + 'control-container', this._container);
-
- function createCorner(vSide, hSide) {
- var className = l + vSide + ' ' + l + hSide;
-
- corners[vSide + hSide] =
- L.DomUtil.create('div', className, container);
+ _onLayerRemove: function (e) {
+ if (e.layer.getAttribution) {
+ this.removeAttribution(e.layer.getAttribution());
}
+ }
+});
- createCorner('top', 'left');
- createCorner('top', 'right');
- createCorner('bottom', 'left');
- createCorner('bottom', 'right');
+L.Map.mergeOptions({
+ attributionControl: true
+});
+
+L.Map.addInitHook(function () {
+ if (this.options.attributionControl) {
+ this.attributionControl = (new L.Control.Attribution()).addTo(this);
}
});
+L.control.attribution = function (options) {
+ return new L.Control.Attribution(options);
+};
-L.Control.Zoom = L.Control.extend({\r
- options: {\r
- position: 'topleft'\r
- },\r
-\r
- onAdd: function (map) {\r
- var className = 'leaflet-control-zoom',\r
- container = L.DomUtil.create('div', className);\r
-\r
- this._map = map;\r
-\r
- this._createButton('Zoom in', className + '-in', container, this._zoomIn, this);\r
- this._createButton('Zoom out', className + '-out', container, this._zoomOut, this);\r
-\r
- return container;\r
- },\r
-\r
- _zoomIn: function (e) {\r
- this._map.zoomIn(e.shiftKey ? 3 : 1);\r
- },\r
-\r
- _zoomOut: function (e) {\r
- this._map.zoomOut(e.shiftKey ? 3 : 1);\r
- },\r
-\r
- _createButton: function (title, className, container, fn, context) {\r
- var link = L.DomUtil.create('a', className, container);\r
- link.href = '#';\r
- link.title = title;\r
-\r
- L.DomEvent\r
- .on(link, 'click', L.DomEvent.stopPropagation)\r
- .on(link, 'mousedown', L.DomEvent.stopPropagation)\r
- .on(link, 'dblclick', L.DomEvent.stopPropagation)\r
- .on(link, 'click', L.DomEvent.preventDefault)\r
- .on(link, 'click', fn, context);\r
-\r
- return link;\r
- }\r
-});\r
-\r
-L.Map.mergeOptions({\r
- zoomControl: true\r
-});\r
-\r
-L.Map.addInitHook(function () {\r
- if (this.options.zoomControl) {\r
- this.zoomControl = new L.Control.Zoom();\r
- this.addControl(this.zoomControl);\r
- }\r
-});\r
-\r
-L.control.zoom = function (options) {\r
- return new L.Control.Zoom(options);\r
-};\r
-\r
-
-
-L.Control.Attribution = L.Control.extend({\r
- options: {\r
- position: 'bottomright',\r
- prefix: 'Powered by <a href="http://leaflet.cloudmade.com">Leaflet</a>'\r
- },\r
-\r
- initialize: function (options) {\r
- L.Util.setOptions(this, options);\r
-\r
- this._attributions = {};\r
- },\r
-\r
- onAdd: function (map) {\r
- this._container = L.DomUtil.create('div', 'leaflet-control-attribution');\r
- L.DomEvent.disableClickPropagation(this._container);\r
-\r
- map\r
- .on('layeradd', this._onLayerAdd, this)\r
- .on('layerremove', this._onLayerRemove, this);\r
-\r
- this._update();\r
-\r
- return this._container;\r
- },\r
-\r
- onRemove: function (map) {\r
- map\r
- .off('layeradd', this._onLayerAdd)\r
- .off('layerremove', this._onLayerRemove);\r
-\r
- },\r
-\r
- setPrefix: function (prefix) {\r
- this.options.prefix = prefix;\r
- this._update();\r
- return this;\r
- },\r
-\r
- addAttribution: function (text) {\r
- if (!text) { return; }\r
-\r
- if (!this._attributions[text]) {\r
- this._attributions[text] = 0;\r
- }\r
- this._attributions[text]++;\r
-\r
- this._update();\r
-\r
- return this;\r
- },\r
-\r
- removeAttribution: function (text) {\r
- if (!text) { return; }\r
-\r
- this._attributions[text]--;\r
- this._update();\r
-\r
- return this;\r
- },\r
-\r
- _update: function () {\r
- if (!this._map) { return; }\r
-\r
- var attribs = [];\r
-\r
- for (var i in this._attributions) {\r
- if (this._attributions.hasOwnProperty(i) && this._attributions[i]) {\r
- attribs.push(i);\r
- }\r
- }\r
-\r
- var prefixAndAttribs = [];\r
-\r
- if (this.options.prefix) {\r
- prefixAndAttribs.push(this.options.prefix);\r
- }\r
- if (attribs.length) {\r
- prefixAndAttribs.push(attribs.join(', '));\r
- }\r
-\r
- this._container.innerHTML = prefixAndAttribs.join(' — ');\r
- },\r
-\r
- _onLayerAdd: function (e) {\r
- if (e.layer.getAttribution) {\r
- this.addAttribution(e.layer.getAttribution());\r
- }\r
- },\r
-\r
- _onLayerRemove: function (e) {\r
- if (e.layer.getAttribution) {\r
- this.removeAttribution(e.layer.getAttribution());\r
- }\r
- }\r
-});\r
-\r
-L.Map.mergeOptions({\r
- attributionControl: true\r
-});\r
-\r
-L.Map.addInitHook(function () {\r
- if (this.options.attributionControl) {\r
- this.attributionControl = (new L.Control.Attribution()).addTo(this);\r
- }\r
-});\r
-\r
-L.control.attribution = function (options) {\r
- return new L.Control.Attribution(options);\r
-};\r
+/*
+ * L.Control.Scale is used for displaying metric/imperial scale on the map.
+ */
L.Control.Scale = L.Control.extend({
options: {
this._addScales(options, className, container);
map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
- this._update();
+ map.whenReady(this._update, this);
return container;
},
_updateImperial: function (maxMeters) {
var maxFeet = maxMeters * 3.2808399,
- scale = this._iScale,
- maxMiles, miles, feet;
+ scale = this._iScale,
+ maxMiles, miles, feet;
if (maxFeet > 5280) {
maxMiles = maxFeet / 5280;
};
-\r
-L.Control.Layers = L.Control.extend({\r
- options: {\r
- collapsed: true,\r
- position: 'topright',\r
- autoZIndex: true\r
- },\r
-\r
- initialize: function (baseLayers, overlays, options) {\r
- L.Util.setOptions(this, options);\r
-\r
- this._layers = {};\r
- this._lastZIndex = 0;\r
-\r
- for (var i in baseLayers) {\r
- if (baseLayers.hasOwnProperty(i)) {\r
- this._addLayer(baseLayers[i], i);\r
- }\r
- }\r
-\r
- for (i in overlays) {\r
- if (overlays.hasOwnProperty(i)) {\r
- this._addLayer(overlays[i], i, true);\r
- }\r
- }\r
- },\r
-\r
- onAdd: function (map) {\r
- this._initLayout();\r
- this._update();\r
-\r
- return this._container;\r
- },\r
-\r
- addBaseLayer: function (layer, name) {\r
- this._addLayer(layer, name);\r
- this._update();\r
- return this;\r
- },\r
-\r
- addOverlay: function (layer, name) {\r
- this._addLayer(layer, name, true);\r
- this._update();\r
- return this;\r
- },\r
-\r
- removeLayer: function (layer) {\r
- var id = L.Util.stamp(layer);\r
- delete this._layers[id];\r
- this._update();\r
- return this;\r
- },\r
-\r
- _initLayout: function () {\r
- var className = 'leaflet-control-layers',\r
- container = this._container = L.DomUtil.create('div', className);\r
-\r
- if (!L.Browser.touch) {\r
- L.DomEvent.disableClickPropagation(container);\r
- } else {\r
- L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation);\r
- }\r
-\r
- var form = this._form = L.DomUtil.create('form', className + '-list');\r
-\r
- if (this.options.collapsed) {\r
- L.DomEvent\r
- .on(container, 'mouseover', this._expand, this)\r
- .on(container, 'mouseout', this._collapse, this);\r
-\r
- var link = this._layersLink = L.DomUtil.create('a', className + '-toggle', container);\r
- link.href = '#';\r
- link.title = 'Layers';\r
-\r
- if (L.Browser.touch) {\r
- L.DomEvent\r
- .on(link, 'click', L.DomEvent.stopPropagation)\r
- .on(link, 'click', L.DomEvent.preventDefault)\r
- .on(link, 'click', this._expand, this);\r
- }\r
- else {\r
- L.DomEvent.on(link, 'focus', this._expand, this);\r
- }\r
-\r
- this._map.on('movestart', this._collapse, this);\r
- // TODO keyboard accessibility\r
- } else {\r
- this._expand();\r
- }\r
-\r
- this._baseLayersList = L.DomUtil.create('div', className + '-base', form);\r
- this._separator = L.DomUtil.create('div', className + '-separator', form);\r
- this._overlaysList = L.DomUtil.create('div', className + '-overlays', form);\r
-\r
- container.appendChild(form);\r
- },\r
-\r
- _addLayer: function (layer, name, overlay) {\r
- var id = L.Util.stamp(layer);\r
-\r
- this._layers[id] = {\r
- layer: layer,\r
- name: name,\r
- overlay: overlay\r
- };\r
-\r
- if (this.options.autoZIndex && layer.setZIndex) {\r
- this._lastZIndex++;\r
- layer.setZIndex(this._lastZIndex);\r
- }\r
- },\r
-\r
- _update: function () {\r
- if (!this._container) {\r
- return;\r
- }\r
-\r
- this._baseLayersList.innerHTML = '';\r
- this._overlaysList.innerHTML = '';\r
-\r
- var baseLayersPresent = false,\r
- overlaysPresent = false;\r
-\r
- for (var i in this._layers) {\r
- if (this._layers.hasOwnProperty(i)) {\r
- var obj = this._layers[i];\r
- this._addItem(obj);\r
- overlaysPresent = overlaysPresent || obj.overlay;\r
- baseLayersPresent = baseLayersPresent || !obj.overlay;\r
- }\r
- }\r
-\r
- this._separator.style.display = (overlaysPresent && baseLayersPresent ? '' : 'none');\r
- },\r
-\r
- // IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe)\r
- _createRadioElement: function (name, checked) {\r
-\r
- var radioHtml = '<input type="radio" name="' + name + '"';\r
- if (checked) {\r
- radioHtml += ' checked="checked"';\r
- }\r
- radioHtml += '/>';\r
-\r
- var radioFragment = document.createElement('div');\r
- radioFragment.innerHTML = radioHtml;\r
-\r
- return radioFragment.firstChild;\r
- },\r
-\r
- _addItem: function (obj) {\r
- var label = document.createElement('label'),\r
- input,\r
- checked = this._map.hasLayer(obj.layer);\r
-\r
- if (obj.overlay) {\r
- input = document.createElement('input');\r
- input.type = 'checkbox';\r
- input.defaultChecked = checked;\r
- } else {\r
- input = this._createRadioElement('leaflet-base-layers', checked);\r
- }\r
-\r
- input.layerId = L.Util.stamp(obj.layer);\r
-\r
- L.DomEvent.on(input, 'click', this._onInputClick, this);\r
-\r
- var name = document.createTextNode(' ' + obj.name);\r
-\r
- label.appendChild(input);\r
- label.appendChild(name);\r
-\r
- var container = obj.overlay ? this._overlaysList : this._baseLayersList;\r
- container.appendChild(label);\r
- },\r
-\r
- _onInputClick: function () {\r
- var i, input, obj,\r
- inputs = this._form.getElementsByTagName('input'),\r
- inputsLen = inputs.length;\r
-\r
- for (i = 0; i < inputsLen; i++) {\r
- input = inputs[i];\r
- obj = this._layers[input.layerId];\r
-\r
- if (input.checked) {\r
- this._map.addLayer(obj.layer, !obj.overlay);\r
- } else {\r
- this._map.removeLayer(obj.layer);\r
- }\r
- }\r
- },\r
-\r
- _expand: function () {\r
- L.DomUtil.addClass(this._container, 'leaflet-control-layers-expanded');\r
- },\r
-\r
- _collapse: function () {\r
- this._container.className = this._container.className.replace(' leaflet-control-layers-expanded', '');\r
- }\r
-});\r
-\r
-L.control.layers = function (baseLayers, overlays, options) {\r
- return new L.Control.Layers(baseLayers, overlays, options);\r
-};\r
+/*
+ * L.Control.Layers is a control to allow users to switch between different layers on the map.
+ */
+
+L.Control.Layers = L.Control.extend({
+ options: {
+ collapsed: true,
+ position: 'topright',
+ autoZIndex: true
+ },
+
+ initialize: function (baseLayers, overlays, options) {
+ L.setOptions(this, options);
+
+ this._layers = {};
+ this._lastZIndex = 0;
+ this._handlingClick = false;
+
+ for (var i in baseLayers) {
+ this._addLayer(baseLayers[i], i);
+ }
+
+ for (i in overlays) {
+ this._addLayer(overlays[i], i, true);
+ }
+ },
+
+ onAdd: function (map) {
+ this._initLayout();
+ this._update();
+
+ map
+ .on('layeradd', this._onLayerChange, this)
+ .on('layerremove', this._onLayerChange, this);
+
+ return this._container;
+ },
+
+ onRemove: function (map) {
+ map
+ .off('layeradd', this._onLayerChange, this)
+ .off('layerremove', this._onLayerChange, this);
+ },
+
+ addBaseLayer: function (layer, name) {
+ this._addLayer(layer, name);
+ this._update();
+ return this;
+ },
+
+ addOverlay: function (layer, name) {
+ this._addLayer(layer, name, true);
+ this._update();
+ return this;
+ },
+
+ removeLayer: function (layer) {
+ var id = L.stamp(layer);
+ delete this._layers[id];
+ this._update();
+ return this;
+ },
+
+ _initLayout: function () {
+ var className = 'leaflet-control-layers',
+ container = this._container = L.DomUtil.create('div', className);
+
+ //Makes this work on IE10 Touch devices by stopping it from firing a mouseout event when the touch is released
+ container.setAttribute('aria-haspopup', true);
+
+ if (!L.Browser.touch) {
+ L.DomEvent
+ .disableClickPropagation(container)
+ .disableScrollPropagation(container);
+ } else {
+ L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation);
+ }
+
+ var form = this._form = L.DomUtil.create('form', className + '-list');
+
+ if (this.options.collapsed) {
+ if (!L.Browser.android) {
+ L.DomEvent
+ .on(container, 'mouseover', this._expand, this)
+ .on(container, 'mouseout', this._collapse, this);
+ }
+ var link = this._layersLink = L.DomUtil.create('a', className + '-toggle', container);
+ link.href = '#';
+ link.title = 'Layers';
+
+ if (L.Browser.touch) {
+ L.DomEvent
+ .on(link, 'click', L.DomEvent.stop)
+ .on(link, 'click', this._expand, this);
+ }
+ else {
+ L.DomEvent.on(link, 'focus', this._expand, this);
+ }
+ //Work around for Firefox android issue https://github.com/Leaflet/Leaflet/issues/2033
+ L.DomEvent.on(form, 'click', function () {
+ setTimeout(L.bind(this._onInputClick, this), 0);
+ }, this);
+
+ this._map.on('click', this._collapse, this);
+ // TODO keyboard accessibility
+ } else {
+ this._expand();
+ }
+
+ this._baseLayersList = L.DomUtil.create('div', className + '-base', form);
+ this._separator = L.DomUtil.create('div', className + '-separator', form);
+ this._overlaysList = L.DomUtil.create('div', className + '-overlays', form);
+
+ container.appendChild(form);
+ },
+
+ _addLayer: function (layer, name, overlay) {
+ var id = L.stamp(layer);
+
+ this._layers[id] = {
+ layer: layer,
+ name: name,
+ overlay: overlay
+ };
+
+ if (this.options.autoZIndex && layer.setZIndex) {
+ this._lastZIndex++;
+ layer.setZIndex(this._lastZIndex);
+ }
+ },
+
+ _update: function () {
+ if (!this._container) {
+ return;
+ }
+
+ this._baseLayersList.innerHTML = '';
+ this._overlaysList.innerHTML = '';
+
+ var baseLayersPresent = false,
+ overlaysPresent = false,
+ i, obj;
+
+ for (i in this._layers) {
+ obj = this._layers[i];
+ this._addItem(obj);
+ overlaysPresent = overlaysPresent || obj.overlay;
+ baseLayersPresent = baseLayersPresent || !obj.overlay;
+ }
+
+ this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none';
+ },
+
+ _onLayerChange: function (e) {
+ var obj = this._layers[L.stamp(e.layer)];
+
+ if (!obj) { return; }
+
+ if (!this._handlingClick) {
+ this._update();
+ }
+
+ var type = obj.overlay ?
+ (e.type === 'layeradd' ? 'overlayadd' : 'overlayremove') :
+ (e.type === 'layeradd' ? 'baselayerchange' : null);
+
+ if (type) {
+ this._map.fire(type, obj);
+ }
+ },
+
+ // IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe)
+ _createRadioElement: function (name, checked) {
+
+ var radioHtml = '<input type="radio" class="leaflet-control-layers-selector" name="' + name + '"';
+ if (checked) {
+ radioHtml += ' checked="checked"';
+ }
+ radioHtml += '/>';
+
+ var radioFragment = document.createElement('div');
+ radioFragment.innerHTML = radioHtml;
+
+ return radioFragment.firstChild;
+ },
+
+ _addItem: function (obj) {
+ var label = document.createElement('label'),
+ input,
+ checked = this._map.hasLayer(obj.layer);
+
+ if (obj.overlay) {
+ input = document.createElement('input');
+ input.type = 'checkbox';
+ input.className = 'leaflet-control-layers-selector';
+ input.defaultChecked = checked;
+ } else {
+ input = this._createRadioElement('leaflet-base-layers', checked);
+ }
+
+ input.layerId = L.stamp(obj.layer);
+
+ L.DomEvent.on(input, 'click', this._onInputClick, this);
+
+ var name = document.createElement('span');
+ name.innerHTML = ' ' + obj.name;
+
+ label.appendChild(input);
+ label.appendChild(name);
+
+ var container = obj.overlay ? this._overlaysList : this._baseLayersList;
+ container.appendChild(label);
+
+ return label;
+ },
+
+ _onInputClick: function () {
+ var i, input, obj,
+ inputs = this._form.getElementsByTagName('input'),
+ inputsLen = inputs.length;
+
+ this._handlingClick = true;
+
+ for (i = 0; i < inputsLen; i++) {
+ input = inputs[i];
+ obj = this._layers[input.layerId];
+
+ if (input.checked && !this._map.hasLayer(obj.layer)) {
+ this._map.addLayer(obj.layer);
+
+ } else if (!input.checked && this._map.hasLayer(obj.layer)) {
+ this._map.removeLayer(obj.layer);
+ }
+ }
+
+ this._handlingClick = false;
+
+ this._refocusOnMap();
+ },
+
+ _expand: function () {
+ L.DomUtil.addClass(this._container, 'leaflet-control-layers-expanded');
+ },
+
+ _collapse: function () {
+ this._container.className = this._container.className.replace(' leaflet-control-layers-expanded', '');
+ }
+});
+
+L.control.layers = function (baseLayers, overlays, options) {
+ return new L.Control.Layers(baseLayers, overlays, options);
+};
/*
L.PosAnimation = L.Class.extend({
includes: L.Mixin.Events,
- run: function (el, newPos, duration, easing) { // (HTMLElement, Point[, Number, String])
+ run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
this.stop();
this._el = el;
this._inProgress = true;
+ this._newPos = newPos;
this.fire('start');
- el.style[L.DomUtil.TRANSITION] = 'all ' + (duration || 0.25) + 's ' + (easing || 'ease-out');
+ el.style[L.DomUtil.TRANSITION] = 'all ' + (duration || 0.25) +
+ 's cubic-bezier(0,0,' + (easeLinearity || 0.5) + ',1)';
L.DomEvent.on(el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);
L.DomUtil.setPosition(el, newPos);
// toggle reflow, Chrome flickers for some reason if you don't do this
L.Util.falseFn(el.offsetWidth);
- // there's no native way to track value updates of tranisitioned properties, so we imitate this
- this._stepTimer = setInterval(L.Util.bind(this.fire, this, 'step'), 50);
+ // there's no native way to track value updates of transitioned properties, so we imitate this
+ this._stepTimer = setInterval(L.bind(this._onStep, this), 50);
},
stop: function () {
L.DomUtil.setPosition(this._el, this._getPos());
this._onTransitionEnd();
+ L.Util.falseFn(this._el.offsetWidth); // force reflow in case we are about to start a new animation
+ },
+
+ _onStep: function () {
+ var stepPos = this._getPos();
+ if (!stepPos) {
+ this._onTransitionEnd();
+ return;
+ }
+ // jshint camelcase: false
+ // make L.DomUtil.getPosition return intermediate position value during animation
+ this._el._leaflet_pos = stepPos;
+
+ this.fire('step');
},
// you can't easily get intermediate values of properties animated with CSS3 Transitions,
// we need to parse computed style (in case of transform it returns matrix string)
- _transformRe: /(-?[\d\.]+), (-?[\d\.]+)\)/,
+ _transformRe: /([-+]?(?:\d*\.)?\d+)\D*, ([-+]?(?:\d*\.)?\d+)\D*\)/,
_getPos: function () {
var left, top, matches,
- el = this._el,
- style = window.getComputedStyle(el);
+ el = this._el,
+ style = window.getComputedStyle(el);
if (L.Browser.any3d) {
matches = style[L.DomUtil.TRANSFORM].match(this._transformRe);
+ if (!matches) { return; }
left = parseFloat(matches[1]);
top = parseFloat(matches[2]);
} else {
this._el.style[L.DomUtil.TRANSITION] = '';
+ // jshint camelcase: false
+ // make sure L.DomUtil.getPosition returns the final position value after animation
+ this._el._leaflet_pos = this._newPos;
+
clearInterval(this._stepTimer);
this.fire('step').fire('end');
});
+/*
+ * Extends L.Map to handle panning animations.
+ */
L.Map.include({
- setView: function (center, zoom, forceReset) {
- zoom = this._limitZoom(zoom);
+ setView: function (center, zoom, options) {
- var zoomChanged = (this._zoom !== zoom);
+ zoom = zoom === undefined ? this._zoom : this._limitZoom(zoom);
+ center = this._limitCenter(L.latLng(center), zoom, this.options.maxBounds);
+ options = options || {};
- if (this._loaded && !forceReset && this._layers) {
+ if (this._panAnim) {
+ this._panAnim.stop();
+ }
+
+ if (this._loaded && !options.reset && options !== true) {
- if (this._panAnim) {
- this._panAnim.stop();
+ if (options.animate !== undefined) {
+ options.zoom = L.extend({animate: options.animate}, options.zoom);
+ options.pan = L.extend({animate: options.animate}, options.pan);
}
- var done = (zoomChanged ?
- this._zoomToIfClose && this._zoomToIfClose(center, zoom) :
- this._panByIfClose(center));
+ // try animating pan or zoom
+ var animated = (this._zoom !== zoom) ?
+ this._tryAnimatedZoom && this._tryAnimatedZoom(center, zoom, options.zoom) :
+ this._tryAnimatedPan(center, options.pan);
- // exit if animated pan or zoom started
- if (done) {
+ if (animated) {
+ // prevent resize handler call, the view will refresh after animation anyway
clearTimeout(this._sizeTimer);
return this;
}
}
- // reset the map view
+ // animation didn't start, just reset the map view
this._resetView(center, zoom);
return this;
},
- panBy: function (offset, duration) {
- offset = L.point(offset);
+ panBy: function (offset, options) {
+ offset = L.point(offset).round();
+ options = options || {};
- if (!(offset.x || offset.y)) {
+ if (!offset.x && !offset.y) {
return this;
}
}, this);
}
- this.fire('movestart');
+ // don't fire movestart if animating inertia
+ if (!options.noMoveStart) {
+ this.fire('movestart');
+ }
- L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');
+ // animate pan unless animate: false specified
+ if (options.animate !== false) {
+ L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');
- var newPos = L.DomUtil.getPosition(this._mapPane).subtract(offset);
- this._panAnim.run(this._mapPane, newPos, duration || 0.25);
+ var newPos = this._getMapPanePos().subtract(offset);
+ this._panAnim.run(this._mapPane, newPos, options.duration || 0.25, options.easeLinearity);
+ } else {
+ this._rawPanBy(offset);
+ this.fire('move').fire('moveend');
+ }
return this;
},
this.fire('moveend');
},
- _panByIfClose: function (center) {
+ _tryAnimatedPan: function (center, options) {
// difference between the new and current centers in pixels
var offset = this._getCenterOffset(center)._floor();
- if (this._offsetIsWithinView(offset)) {
- this.panBy(offset);
- return true;
- }
- return false;
- },
+ // don't animate too far unless animate: true specified in options
+ if ((options && options.animate) !== true && !this.getSize().contains(offset)) { return false; }
- _offsetIsWithinView: function (offset, multiplyFactor) {
- var m = multiplyFactor || 1,
- size = this.getSize();
+ this.panBy(offset, options);
- return (Math.abs(offset.x) <= size.x * m) &&
- (Math.abs(offset.y) <= size.y * m);
+ return true;
}
});
L.PosAnimation = L.DomUtil.TRANSITION ? L.PosAnimation : L.PosAnimation.extend({
- run: function (el, newPos, duration, easing) { // (HTMLElement, Point[, Number, String])
+ run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
this.stop();
this._el = el;
this._inProgress = true;
this._duration = duration || 0.25;
- this._ease = this._easings[easing || 'ease-out'];
+ this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2);
this._startPos = L.DomUtil.getPosition(el);
this._offset = newPos.subtract(this._startPos);
_step: function () {
var elapsed = (+new Date()) - this._startTime,
- duration = this._duration * 1000;
+ duration = this._duration * 1000;
if (elapsed < duration) {
- this._runFrame(this._ease(elapsed / duration));
+ this._runFrame(this._easeOut(elapsed / duration));
} else {
this._runFrame(1);
this._complete();
this.fire('end');
},
- // easing functions, they map time progress to movement progress
- _easings: {
- 'ease-out': function (t) { return t * (2 - t); },
- 'linear': function (t) { return t; }
+ _easeOut: function (t) {
+ return 1 - Math.pow(1 - t, this._easeOutPower);
}
-
});
+/*
+ * Extends L.Map to handle zoom animations.
+ */
+
L.Map.mergeOptions({
- zoomAnimation: L.DomUtil.TRANSITION && !L.Browser.android23 && !L.Browser.mobileOpera
+ zoomAnimation: true,
+ zoomAnimationThreshold: 4
});
if (L.DomUtil.TRANSITION) {
+
L.Map.addInitHook(function () {
- L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
+ // don't animate on browsers without hardware-accelerated transitions or old Android/Opera
+ this._zoomAnimated = this.options.zoomAnimation && L.DomUtil.TRANSITION &&
+ L.Browser.any3d && !L.Browser.android23 && !L.Browser.mobileOpera;
+
+ // zoom transitions run with the same duration for all layers, so if one of transitionend events
+ // happens after starting zoom animation (propagating to the map pane), we know that it ended globally
+ if (this._zoomAnimated) {
+ L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
+ }
});
}
L.Map.include(!L.DomUtil.TRANSITION ? {} : {
- _zoomToIfClose: function (center, zoom) {
+ _catchTransitionEnd: function (e) {
+ if (this._animatingZoom && e.propertyName.indexOf('transform') >= 0) {
+ this._onZoomTransitionEnd();
+ }
+ },
- if (this._animatingZoom) { return true; }
+ _nothingToAnimate: function () {
+ return !this._container.getElementsByClassName('leaflet-zoom-animated').length;
+ },
- if (!this.options.zoomAnimation) { return false; }
+ _tryAnimatedZoom: function (center, zoom, options) {
- var scale = this.getZoomScale(zoom),
- offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale);
+ if (this._animatingZoom) { return true; }
- // if offset does not exceed half of the view
- if (!this._offsetIsWithinView(offset, 1)) { return false; }
+ options = options || {};
- L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
+ // don't animate if disabled, not supported or zoom difference is too large
+ if (!this._zoomAnimated || options.animate === false || this._nothingToAnimate() ||
+ Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; }
- this
- .fire('movestart')
- .fire('zoomstart');
+ // offset is the pixel coords of the zoom origin relative to the current center
+ var scale = this.getZoomScale(zoom),
+ offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale),
+ origin = this._getCenterLayerPoint()._add(offset);
- this.fire('zoomanim', {
- center: center,
- zoom: zoom
- });
+ // don't animate if the zoom origin isn't within one screen from the current center, unless forced
+ if (options.animate !== true && !this.getSize().contains(offset)) { return false; }
- var origin = this._getCenterLayerPoint().add(offset);
+ this
+ .fire('movestart')
+ .fire('zoomstart');
- this._prepareTileBg();
- this._runAnimation(center, zoom, scale, origin);
+ this._animateZoom(center, zoom, origin, scale, null, true);
return true;
},
- _catchTransitionEnd: function (e) {
- if (this._animatingZoom) {
- this._onZoomTransitionEnd();
+ _animateZoom: function (center, zoom, origin, scale, delta, backwards, forTouchZoom) {
+
+ if (!forTouchZoom) {
+ this._animatingZoom = true;
}
- },
- _runAnimation: function (center, zoom, scale, origin, backwardsTransform) {
+ // put transform transition on all layers with leaflet-zoom-animated class
+ L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
+
+ // remember what center/zoom to set after animation
this._animateToCenter = center;
this._animateToZoom = zoom;
- this._animatingZoom = true;
+ // disable any dragging during animation
if (L.Draggable) {
L.Draggable._disabled = true;
}
- var transform = L.DomUtil.TRANSFORM,
- tileBg = this._tileBg;
+ L.Util.requestAnimFrame(function () {
+ this.fire('zoomanim', {
+ center: center,
+ zoom: zoom,
+ origin: origin,
+ scale: scale,
+ delta: delta,
+ backwards: backwards
+ });
+ // horrible hack to work around a Chrome bug https://github.com/Leaflet/Leaflet/issues/3689
+ setTimeout(L.bind(this._onZoomTransitionEnd, this), 250);
+ }, this);
+ },
- clearTimeout(this._clearTileBgTimer);
+ _onZoomTransitionEnd: function () {
+ if (!this._animatingZoom) { return; }
- //dumb FireFox hack, I have no idea why this magic zero translate fixes the scale transition problem
- if (L.Browser.gecko || window.opera || L.Browser.ie3d) {
- tileBg.style[transform] += ' translate(0,0)';
- }
+ this._animatingZoom = false;
+
+ L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');
+
+ L.Util.requestAnimFrame(function () {
+ this._resetView(this._animateToCenter, this._animateToZoom, true, true);
+
+ if (L.Draggable) {
+ L.Draggable._disabled = false;
+ }
+ }, this);
+ }
+});
- L.Util.falseFn(tileBg.offsetWidth); //hack to make sure transform is updated before running animation
- var scaleStr = L.DomUtil.getScaleString(scale, origin),
- oldTransform = tileBg.style[transform];
+/*
+ Zoom animation logic for L.TileLayer.
+*/
+
+L.TileLayer.include({
+ _animateZoom: function (e) {
+ if (!this._animating) {
+ this._animating = true;
+ this._prepareBgBuffer();
+ }
- tileBg.style[transform] = backwardsTransform ?
- oldTransform + ' ' + scaleStr :
- scaleStr + ' ' + oldTransform;
+ var bg = this._bgBuffer,
+ transform = L.DomUtil.TRANSFORM,
+ initialTransform = e.delta ? L.DomUtil.getTranslateString(e.delta) : bg.style[transform],
+ scaleStr = L.DomUtil.getScaleString(e.scale, e.origin);
+
+ bg.style[transform] = e.backwards ?
+ scaleStr + ' ' + initialTransform :
+ initialTransform + ' ' + scaleStr;
},
- _prepareTileBg: function () {
- var tilePane = this._tilePane,
- tileBg = this._tileBg;
+ _endZoomAnim: function () {
+ var front = this._tileContainer,
+ bg = this._bgBuffer;
- // If foreground layer doesn't have many tiles but bg layer does, keep the existing bg layer and just zoom it some more
- if (tileBg &&
- this._getLoadedTilesPercentage(tileBg) > 0.5 &&
- this._getLoadedTilesPercentage(tilePane) < 0.5) {
+ front.style.visibility = '';
+ front.parentNode.appendChild(front); // Bring to fore
- tilePane.style.visibility = 'hidden';
- tilePane.empty = true;
- this._stopLoadingImages(tilePane);
- return;
+ // force reflow
+ L.Util.falseFn(bg.offsetWidth);
+
+ var zoom = this._map.getZoom();
+ if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
+ this._clearBgBuffer();
}
- if (!tileBg) {
- tileBg = this._tileBg = this._createPane('leaflet-tile-pane', this._mapPane);
- tileBg.style.zIndex = 1;
+ this._animating = false;
+ },
+
+ _clearBgBuffer: function () {
+ var map = this._map;
+
+ if (map && !map._animatingZoom && !map.touchZoom._zooming) {
+ this._bgBuffer.innerHTML = '';
+ this._bgBuffer.style[L.DomUtil.TRANSFORM] = '';
}
+ },
+
+ _prepareBgBuffer: function () {
+
+ var front = this._tileContainer,
+ bg = this._bgBuffer;
+
+ // if foreground layer doesn't have many tiles but bg layer does,
+ // keep the existing bg layer and just zoom it some more
+
+ var bgLoaded = this._getLoadedTilesPercentage(bg),
+ frontLoaded = this._getLoadedTilesPercentage(front);
- // prepare the background pane to become the main tile pane
- tileBg.style[L.DomUtil.TRANSFORM] = '';
- tileBg.style.visibility = 'hidden';
+ if (bg && bgLoaded > 0.5 && frontLoaded < 0.5) {
- // tells tile layers to reinitialize their containers
- tileBg.empty = true; //new FG
- tilePane.empty = false; //new BG
+ front.style.visibility = 'hidden';
+ this._stopLoadingImages(front);
+ return;
+ }
- //Switch out the current layer to be the new bg layer (And vice-versa)
- this._tilePane = this._panes.tilePane = tileBg;
- var newTileBg = this._tileBg = tilePane;
+ // prepare the buffer to become the front tile pane
+ bg.style.visibility = 'hidden';
+ bg.style[L.DomUtil.TRANSFORM] = '';
- L.DomUtil.addClass(newTileBg, 'leaflet-zoom-animated');
+ // switch out the current layer to be the new bg layer (and vice-versa)
+ this._tileContainer = bg;
+ bg = this._bgBuffer = front;
- this._stopLoadingImages(newTileBg);
+ this._stopLoadingImages(bg);
+
+ //prevent bg buffer from clearing right after zoom
+ clearTimeout(this._clearBgBufferTimer);
},
_getLoadedTilesPercentage: function (container) {
var tiles = container.getElementsByTagName('img'),
- i, len, count = 0;
+ i, len, count = 0;
for (i = 0, len = tiles.length; i < len; i++) {
if (tiles[i].complete) {
// stops loading all tiles in the background layer
_stopLoadingImages: function (container) {
var tiles = Array.prototype.slice.call(container.getElementsByTagName('img')),
- i, len, tile;
+ i, len, tile;
for (i = 0, len = tiles.length; i < len; i++) {
tile = tiles[i];
tile.parentNode.removeChild(tile);
}
}
+ }
+});
+
+
+/*
+ * Provides L.Map with convenient shortcuts for using browser geolocation features.
+ */
+
+L.Map.include({
+ _defaultLocateOptions: {
+ watch: false,
+ setView: false,
+ maxZoom: Infinity,
+ timeout: 10000,
+ maximumAge: 0,
+ enableHighAccuracy: false
},
- _onZoomTransitionEnd: function () {
- this._restoreTileFront();
- L.Util.falseFn(this._tileBg.offsetWidth); // force reflow
- this._resetView(this._animateToCenter, this._animateToZoom, true, true);
+ locate: function (/*Object*/ options) {
- L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');
- this._animatingZoom = false;
+ options = this._locateOptions = L.extend(this._defaultLocateOptions, options);
- if (L.Draggable) {
- L.Draggable._disabled = false;
+ if (!navigator.geolocation) {
+ this._handleGeolocationError({
+ code: 0,
+ message: 'Geolocation not supported.'
+ });
+ return this;
+ }
+
+ var onResponse = L.bind(this._handleGeolocationResponse, this),
+ onError = L.bind(this._handleGeolocationError, this);
+
+ if (options.watch) {
+ this._locationWatchId =
+ navigator.geolocation.watchPosition(onResponse, onError, options);
+ } else {
+ navigator.geolocation.getCurrentPosition(onResponse, onError, options);
+ }
+ return this;
+ },
+
+ stopLocate: function () {
+ if (navigator.geolocation) {
+ navigator.geolocation.clearWatch(this._locationWatchId);
}
+ if (this._locateOptions) {
+ this._locateOptions.setView = false;
+ }
+ return this;
},
- _restoreTileFront: function () {
- this._tilePane.innerHTML = '';
- this._tilePane.style.visibility = '';
- this._tilePane.style.zIndex = 2;
- this._tileBg.style.zIndex = 1;
+ _handleGeolocationError: function (error) {
+ var c = error.code,
+ message = error.message ||
+ (c === 1 ? 'permission denied' :
+ (c === 2 ? 'position unavailable' : 'timeout'));
+
+ if (this._locateOptions.setView && !this._loaded) {
+ this.fitWorld();
+ }
+
+ this.fire('locationerror', {
+ code: c,
+ message: 'Geolocation error: ' + message + '.'
+ });
},
- _clearTileBg: function () {
- if (!this._animatingZoom && !this.touchZoom._zooming) {
- this._tileBg.innerHTML = '';
+ _handleGeolocationResponse: function (pos) {
+ var lat = pos.coords.latitude,
+ lng = pos.coords.longitude,
+ latlng = new L.LatLng(lat, lng),
+
+ latAccuracy = 180 * pos.coords.accuracy / 40075017,
+ lngAccuracy = latAccuracy / Math.cos(L.LatLng.DEG_TO_RAD * lat),
+
+ bounds = L.latLngBounds(
+ [lat - latAccuracy, lng - lngAccuracy],
+ [lat + latAccuracy, lng + lngAccuracy]),
+
+ options = this._locateOptions;
+
+ if (options.setView) {
+ var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom);
+ this.setView(latlng, zoom);
+ }
+
+ var data = {
+ latlng: latlng,
+ bounds: bounds,
+ timestamp: pos.timestamp
+ };
+
+ for (var i in pos.coords) {
+ if (typeof pos.coords[i] === 'number') {
+ data[i] = pos.coords[i];
+ }
}
+
+ this.fire('locationfound', data);
}
});
-/*\r
- * Provides L.Map with convenient shortcuts for W3C geolocation.\r
- */\r
-\r
-L.Map.include({\r
- _defaultLocateOptions: {\r
- watch: false,\r
- setView: false,\r
- maxZoom: Infinity,\r
- timeout: 10000,\r
- maximumAge: 0,\r
- enableHighAccuracy: false\r
- },\r
-\r
- locate: function (/*Object*/ options) {\r
-\r
- options = this._locationOptions = L.Util.extend(this._defaultLocateOptions, options);\r
-\r
- if (!navigator.geolocation) {\r
- this._handleGeolocationError({\r
- code: 0,\r
- message: "Geolocation not supported."\r
- });\r
- return this;\r
- }\r
-\r
- var onResponse = L.Util.bind(this._handleGeolocationResponse, this),\r
- onError = L.Util.bind(this._handleGeolocationError, this);\r
-\r
- if (options.watch) {\r
- this._locationWatchId = navigator.geolocation.watchPosition(onResponse, onError, options);\r
- } else {\r
- navigator.geolocation.getCurrentPosition(onResponse, onError, options);\r
- }\r
- return this;\r
- },\r
-\r
- stopLocate: function () {\r
- if (navigator.geolocation) {\r
- navigator.geolocation.clearWatch(this._locationWatchId);\r
- }\r
- return this;\r
- },\r
-\r
- _handleGeolocationError: function (error) {\r
- var c = error.code,\r
- message = error.message ||\r
- (c === 1 ? "permission denied" :\r
- (c === 2 ? "position unavailable" : "timeout"));\r
-\r
- if (this._locationOptions.setView && !this._loaded) {\r
- this.fitWorld();\r
- }\r
-\r
- this.fire('locationerror', {\r
- code: c,\r
- message: "Geolocation error: " + message + "."\r
- });\r
- },\r
-\r
- _handleGeolocationResponse: function (pos) {\r
- var latAccuracy = 180 * pos.coords.accuracy / 4e7,\r
- lngAccuracy = latAccuracy * 2,\r
-\r
- lat = pos.coords.latitude,\r
- lng = pos.coords.longitude,\r
- latlng = new L.LatLng(lat, lng),\r
-\r
- sw = new L.LatLng(lat - latAccuracy, lng - lngAccuracy),\r
- ne = new L.LatLng(lat + latAccuracy, lng + lngAccuracy),\r
- bounds = new L.LatLngBounds(sw, ne),\r
-\r
- options = this._locationOptions;\r
-\r
- if (options.setView) {\r
- var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom);\r
- this.setView(latlng, zoom);\r
- }\r
-\r
- this.fire('locationfound', {\r
- latlng: latlng,\r
- bounds: bounds,\r
- accuracy: pos.coords.accuracy\r
- });\r
- }\r
-});\r
-
-
-
-
-}(this));
\ No newline at end of file
+}(window, document));
\ No newline at end of file
projects / rails.git / blobdiff