--- /dev/null
+/*
+ Copyright (c) 2010-2012, CloudMade, Vladimir Agafonkin
+ Leaflet is an open-source JavaScript library for mobile-friendly interactive maps.
+ http://leaflet.cloudmade.com
+*/
+(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
+};
+
+/*\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.Icon.Default = L.Icon.extend({
+
+ options: {
+ iconSize: new L.Point(25, 41),
+ iconAnchor: new L.Point(12, 41),
+ popupAnchor: new L.Point(1, -34),
+
+ shadowSize: new L.Point(41, 41)
+ },
+
+ _getIconUrl: function (name) {
+ var key = name + 'Url';
+
+ if (this.options[key]) {
+ return this.options[key];
+ }
+
+ 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;
+
+ for (i = 0, len = scripts.length; i < len; i++) {
+ src = scripts[i].src;
+ matches = src.match(leafletRe);
+
+ if (matches) {
+ return src.split(leafletRe)[0] + '/images';
+ }
+ }
+}());
+
+
+/*\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.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'
+ },
+
+ createIcon: function () {
+ var div = document.createElement('div'),
+ options = this.options;
+
+ if (options.html) {
+ div.innerHTML = options.html;
+ }
+
+ 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);
+};
+
+
+\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
+});
+
+/*\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;
+
+/*\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
+
+
+/*
+ * L.Handler classes are used internally to inject interaction features to classes like Map and Marker.
+ */
+
+L.Handler = L.Class.extend({
+ initialize: function (map) {
+ this._map = map;
+ },
+
+ enable: function () {
+ if (this._enabled) { return; }
+
+ this._enabled = true;
+ this.addHooks();
+ },
+
+ disable: function () {
+ if (!this._enabled) { return; }
+
+ this._enabled = false;
+ this.removeHooks();
+ },
+
+ enabled: function () {
+ return !!this._enabled;
+ }
+});
+
+
+/*
+ * L.Handler.MapDrag is used internally by L.Map to make the map draggable.
+ */
+
+L.Map.mergeOptions({
+ dragging: true,
+
+ inertia: !L.Browser.android23,
+ inertiaDeceleration: 3400, // px/s^2
+ inertiaMaxSpeed: 6000, // px/s
+ inertiaThreshold: L.Browser.touch ? 32 : 18, // ms
+
+ // TODO refactor, move to CRS
+ worldCopyJump: true
+});
+
+L.Map.Drag = L.Handler.extend({
+ addHooks: function () {
+ if (!this._draggable) {
+ this._draggable = new L.Draggable(this._map._mapPane, this._map._container);
+
+ this._draggable.on({
+ 'dragstart': this._onDragStart,
+ 'drag': this._onDrag,
+ 'dragend': this._onDragEnd
+ }, this);
+
+ var options = this._map.options;
+
+ if (options.worldCopyJump) {
+ this._draggable.on('predrag', this._onPreDrag, this);
+ this._map.on('viewreset', this._onViewReset, this);
+ }
+ }
+ this._draggable.enable();
+ },
+
+ removeHooks: function () {
+ this._draggable.disable();
+ },
+
+ moved: function () {
+ return this._draggable && this._draggable._moved;
+ },
+
+ _onDragStart: function () {
+ var map = this._map;
+
+ if (map._panAnim) {
+ map._panAnim.stop();
+ }
+
+ map
+ .fire('movestart')
+ .fire('dragstart');
+
+ if (map.options.inertia) {
+ this._positions = [];
+ this._times = [];
+ }
+ },
+
+ _onDrag: function () {
+ if (this._map.options.inertia) {
+ var time = this._lastTime = +new Date(),
+ pos = this._lastPos = this._draggable._newPos;
+
+ this._positions.push(pos);
+ this._times.push(time);
+
+ if (time - this._times[0] > 200) {
+ this._positions.shift();
+ this._times.shift();
+ }
+ }
+
+ this._map
+ .fire('move')
+ .fire('drag');
+ },
+
+ _onViewReset: function () {
+ var pxCenter = this._map.getSize()._divideBy(2),
+ pxWorldCenter = this._map.latLngToLayerPoint(new L.LatLng(0, 0));
+
+ this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
+ this._worldWidth = this._map.project(new L.LatLng(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;
+
+ this._draggable._newPos.x = newX;
+ },
+
+ _onDragEnd: function () {
+ var map = this._map,
+ options = map.options,
+ delay = +new Date() - this._lastTime,
+
+ noInertia = !options.inertia ||
+ delay > options.inertiaThreshold ||
+ this._positions[0] === undefined;
+
+ if (noInertia) {
+ map.fire('moveend');
+
+ } else {
+
+ var direction = this._lastPos.subtract(this._positions[0]),
+ duration = (this._lastTime + delay - this._times[0]) / 1000,
+
+ speedVector = direction.multiplyBy(0.58 / duration),
+ speed = speedVector.distanceTo(new L.Point(0, 0)),
+
+ limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
+ limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),
+
+ decelerationDuration = limitedSpeed / options.inertiaDeceleration,
+ offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();
+
+ L.Util.requestAnimFrame(L.Util.bind(function () {
+ this._map.panBy(offset, decelerationDuration);
+ }, this));
+ }
+
+ map.fire('dragend');
+
+ if (options.maxBounds) {
+ // TODO predrag validation instead of animation
+ L.Util.requestAnimFrame(this._panInsideMaxBounds, map, true, map._container);
+ }
+ },
+
+ _panInsideMaxBounds: function () {
+ this.panInsideBounds(this.options.maxBounds);
+ }
+});
+
+L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag);
+
+
+/*
+ * L.Handler.DoubleClickZoom is used internally by L.Map to add double-click zooming.
+ */
+
+L.Map.mergeOptions({
+ doubleClickZoom: true
+});
+
+L.Map.DoubleClickZoom = L.Handler.extend({
+ addHooks: function () {
+ this._map.on('dblclick', this._onDoubleClick);
+ },
+
+ removeHooks: function () {
+ this._map.off('dblclick', this._onDoubleClick);
+ },
+
+ _onDoubleClick: function (e) {
+ this.setView(e.latlng, this._zoom + 1);
+ }
+});
+
+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.Map.mergeOptions({
+ scrollWheelZoom: !L.Browser.touch
+});
+
+L.Map.ScrollWheelZoom = L.Handler.extend({
+ addHooks: function () {
+ L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this);
+ this._delta = 0;
+ },
+
+ removeHooks: function () {
+ L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll);
+ },
+
+ _onWheelScroll: function (e) {
+ var delta = L.DomEvent.getWheelDelta(e);
+
+ this._delta += delta;
+ this._lastMousePos = this._map.mouseEventToContainerPoint(e);
+
+ if (!this._startTime) {
+ this._startTime = +new Date();
+ }
+
+ var left = Math.max(40 - (+new Date() - this._startTime), 0);
+
+ clearTimeout(this._timer);
+ this._timer = setTimeout(L.Util.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 = Math.max(Math.min(delta, 4), -4);
+ delta = map._limitZoom(zoom + delta) - zoom;
+
+ this._delta = 0;
+
+ this._startTime = null;
+
+ if (!delta) { return; }
+
+ var newZoom = zoom + delta,
+ newCenter = this._getCenterForScrollWheelZoom(newZoom);
+
+ map.setView(newCenter, newZoom);
+ },
+
+ _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);
+
+ return map.unproject(newCenterPoint);
+ }
+});
+
+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.Map.mergeOptions({
+ touchZoom: L.Browser.touch && !L.Browser.android23
+});
+
+L.Map.TouchZoom = L.Handler.extend({
+ addHooks: function () {
+ L.DomEvent.on(this._map._container, 'touchstart', this._onTouchStart, this);
+ },
+
+ removeHooks: function () {
+ L.DomEvent.off(this._map._container, 'touchstart', this._onTouchStart, this);
+ },
+
+ _onTouchStart: function (e) {
+ var map = this._map;
+
+ if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; }
+
+ var p1 = map.mouseEventToLayerPoint(e.touches[0]),
+ p2 = map.mouseEventToLayerPoint(e.touches[1]),
+ viewCenter = map._getCenterLayerPoint();
+
+ this._startCenter = p1.add(p2)._divideBy(2);
+ this._startDist = p1.distanceTo(p2);
+
+ this._moved = false;
+ this._zooming = true;
+
+ this._centerOffset = viewCenter.subtract(this._startCenter);
+
+ if (map._panAnim) {
+ map._panAnim.stop();
+ }
+
+ L.DomEvent
+ .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;
+
+ var p1 = map.mouseEventToLayerPoint(e.touches[0]),
+ 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 (!this._moved) {
+ L.DomUtil.addClass(map._mapPane, 'leaflet-zoom-anim leaflet-touching');
+
+ map
+ .fire('movestart')
+ .fire('zoomstart')
+ ._prepareTileBg();
+
+ this._moved = true;
+ }
+
+ L.Util.cancelAnimFrame(this._animRequest);
+ 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
+
+ map._tileBg.style[L.DomUtil.TRANSFORM] =
+ L.DomUtil.getTranslateString(this._delta) + ' ' +
+ L.DomUtil.getScaleString(this._scale, this._startCenter);
+ },
+
+ _onTouchEnd: function (e) {
+ if (!this._moved || !this._zooming) { return; }
+
+ var map = this._map;
+
+ this._zooming = false;
+ L.DomUtil.removeClass(map._mapPane, 'leaflet-touching');
+
+ L.DomEvent
+ .off(document, 'touchmove', this._onTouchMove)
+ .off(document, 'touchend', this._onTouchEnd);
+
+ var origin = this._getScaleOrigin(),
+ 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);
+
+ map.fire('zoomanim', {
+ center: center,
+ zoom: zoom
+ });
+
+ map._runAnimation(center, zoom, map.getZoomScale(zoom) / this._scale, origin, true);
+ },
+
+ _getScaleOrigin: function () {
+ var centerOffset = this._centerOffset.subtract(this._delta).divideBy(this._scale);
+ return this._startCenter.add(centerOffset);
+ }
+});
+
+L.Map.addInitHook('addHandler', 'touchZoom', L.Map.TouchZoom);
+
+
+/*
+ * L.Handler.ShiftDragZoom is used internally by L.Map to add shift-drag zoom (zoom to a selected bounding box).
+ */
+
+L.Map.mergeOptions({
+ boxZoom: true
+});
+
+L.Map.BoxZoom = L.Handler.extend({
+ initialize: function (map) {
+ this._map = map;
+ this._container = map._container;
+ this._pane = map._panes.overlayPane;
+ },
+
+ addHooks: function () {
+ L.DomEvent.on(this._container, 'mousedown', this._onMouseDown, this);
+ },
+
+ removeHooks: function () {
+ L.DomEvent.off(this._container, 'mousedown', this._onMouseDown);
+ },
+
+ _onMouseDown: function (e) {
+ if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }
+
+ L.DomUtil.disableTextSelection();
+
+ 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");
+ },
+
+ _onMouseMove: function (e) {
+ var startPoint = this._startLayerPoint,
+ box = this._box,
+
+ 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));
+
+ L.DomUtil.setPosition(box, newPos);
+
+ // TODO refactor: remove hardcoded 4 pixels
+ box.style.width = (Math.abs(offset.x) - 4) + 'px';
+ box.style.height = (Math.abs(offset.y) - 4) + 'px';
+ },
+
+ _onMouseUp: function (e) {
+ this._pane.removeChild(this._box);
+ this._container.style.cursor = '';
+
+ L.DomUtil.enableTextSelection();
+
+ L.DomEvent
+ .off(document, 'mousemove', this._onMouseMove)
+ .off(document, 'mouseup', this._onMouseUp);
+
+ var map = this._map,
+ layerPoint = map.mouseEventToLayerPoint(e);
+
+ var bounds = new L.LatLngBounds(
+ map.layerPointToLatLng(this._startLayerPoint),
+ map.layerPointToLatLng(layerPoint));
+
+ map.fitBounds(bounds);
+
+ map.fire("boxzoomend", {
+ boxZoomBounds: bounds
+ });
+ }
+});
+
+L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);
+
+
+L.Map.mergeOptions({
+ keyboard: true,
+ keyboardPanOffset: 80,
+ keyboardZoomOffset: 1
+});
+
+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]
+ },
+
+ initialize: function (map) {
+ this._map = map;
+
+ this._setPanOffset(map.options.keyboardPanOffset);
+ this._setZoomOffset(map.options.keyboardZoomOffset);
+ },
+
+ addHooks: function () {
+ var container = this._map._container;
+
+ // make the container focusable by tabbing
+ if (container.tabIndex === -1) {
+ container.tabIndex = "0";
+ }
+
+ L.DomEvent
+ .addListener(container, 'focus', this._onFocus, this)
+ .addListener(container, 'blur', this._onBlur, this)
+ .addListener(container, 'mousedown', this._onMouseDown, this);
+
+ this._map
+ .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);
+
+ this._map
+ .off('focus', this._addHooks, this)
+ .off('blur', this._removeHooks, this);
+ },
+
+ _onMouseDown: function () {
+ if (!this._focused) {
+ this._map._container.focus();
+ }
+ },
+
+ _onFocus: function () {
+ this._focused = true;
+ this._map.fire('focus');
+ },
+
+ _onBlur: function () {
+ this._focused = false;
+ this._map.fire('blur');
+ },
+
+ _setPanOffset: function (pan) {
+ var keys = this._panKeys = {},
+ codes = this.keyCodes,
+ i, len;
+
+ for (i = 0, len = codes.left.length; i < len; i++) {
+ keys[codes.left[i]] = [-1 * pan, 0];
+ }
+ for (i = 0, len = codes.right.length; i < len; i++) {
+ keys[codes.right[i]] = [pan, 0];
+ }
+ for (i = 0, len = codes.down.length; i < len; i++) {
+ keys[codes.down[i]] = [0, pan];
+ }
+ for (i = 0, len = codes.up.length; i < len; i++) {
+ keys[codes.up[i]] = [0, -1 * pan];
+ }
+ },
+
+ _setZoomOffset: function (zoom) {
+ var keys = this._zoomKeys = {},
+ codes = this.keyCodes,
+ i, len;
+
+ for (i = 0, len = codes.zoomIn.length; i < len; i++) {
+ keys[codes.zoomIn[i]] = zoom;
+ }
+ for (i = 0, len = codes.zoomOut.length; i < len; i++) {
+ keys[codes.zoomOut[i]] = -zoom;
+ }
+ },
+
+ _addHooks: function () {
+ L.DomEvent.addListener(document, 'keydown', this._onKeyDown, this);
+ },
+
+ _removeHooks: function () {
+ L.DomEvent.removeListener(document, 'keydown', this._onKeyDown, this);
+ },
+
+ _onKeyDown: function (e) {
+ var key = e.keyCode;
+
+ if (this._panKeys.hasOwnProperty(key)) {
+ this._map.panBy(this._panKeys[key]);
+
+ } else if (this._zoomKeys.hasOwnProperty(key)) {
+ this._map.setZoom(this._map.getZoom() + this._zoomKeys[key]);
+
+ } else {
+ return;
+ }
+
+ L.DomEvent.stop(e);
+ }
+});
+
+L.Map.addInitHook('addHandler', 'keyboard', L.Map.Keyboard);
+
+
+/*
+ * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable.
+ */
+
+L.Handler.MarkerDrag = L.Handler.extend({
+ initialize: function (marker) {
+ this._marker = marker;
+ },
+
+ 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.enable();
+ },
+
+ removeHooks: function () {
+ this._draggable.disable();
+ },
+
+ moved: function () {
+ return this._draggable && this._draggable._moved;
+ },
+
+ _onDragStart: function (e) {
+ this._marker
+ .closePopup()
+ .fire('movestart')
+ .fire('dragstart');
+ },
+
+ _onDrag: function (e) {
+ // update shadow position
+ var iconPos = L.DomUtil.getPosition(this._marker._icon);
+ if (this._marker._shadow) {
+ L.DomUtil.setPosition(this._marker._shadow, iconPos);
+ }
+
+ this._marker._latlng = this._marker._map.layerPointToLatLng(iconPos);
+
+ this._marker
+ .fire('move')
+ .fire('drag');
+ },
+
+ _onDragEnd: function () {
+ this._marker
+ .fire('moveend')
+ .fire('dragend');
+ }
+});
+
+
+L.Handler.PolyEdit = L.Handler.extend({
+ options: {
+ icon: new L.DivIcon({
+ iconSize: new L.Point(8, 8),
+ className: 'leaflet-div-icon leaflet-editing-icon'
+ })
+ },
+
+ initialize: function (poly, options) {
+ this._poly = poly;
+ L.Util.setOptions(this, options);
+ },
+
+ addHooks: function () {
+ if (this._poly._map) {
+ if (!this._markerGroup) {
+ this._initMarkers();
+ }
+ this._poly._map.addLayer(this._markerGroup);
+ }
+ },
+
+ removeHooks: function () {
+ if (this._poly._map) {
+ this._poly._map.removeLayer(this._markerGroup);
+ delete this._markerGroup;
+ delete this._markers;
+ }
+ },
+
+ updateMarkers: function () {
+ this._markerGroup.clearLayers();
+ this._initMarkers();
+ },
+
+ _initMarkers: function () {
+ if (!this._markerGroup) {
+ this._markerGroup = new L.LayerGroup();
+ }
+ this._markers = [];
+
+ var latlngs = this._poly._latlngs,
+ i, j, len, marker;
+
+ // TODO refactor holes implementation in Polygon to support it here
+
+ for (i = 0, len = latlngs.length; i < len; i++) {
+
+ marker = this._createMarker(latlngs[i], i);
+ marker.on('click', this._onMarkerClick, this);
+ this._markers.push(marker);
+ }
+
+ var markerLeft, markerRight;
+
+ for (i = 0, j = len - 1; i < len; j = i++) {
+ if (i === 0 && !(L.Polygon && (this._poly instanceof L.Polygon))) {
+ continue;
+ }
+
+ markerLeft = this._markers[j];
+ markerRight = this._markers[i];
+
+ this._createMiddleMarker(markerLeft, markerRight);
+ this._updatePrevNext(markerLeft, markerRight);
+ }
+ },
+
+ _createMarker: function (latlng, index) {
+ var marker = new L.Marker(latlng, {
+ draggable: true,
+ icon: this.options.icon
+ });
+
+ marker._origLatLng = latlng;
+ marker._index = index;
+
+ marker.on('drag', this._onMarkerDrag, this);
+ marker.on('dragend', this._fireEdit, this);
+
+ this._markerGroup.addLayer(marker);
+
+ return marker;
+ },
+
+ _fireEdit: function () {
+ this._poly.fire('edit');
+ },
+
+ _onMarkerDrag: function (e) {
+ var marker = e.target;
+
+ L.Util.extend(marker._origLatLng, marker._latlng);
+
+ if (marker._middleLeft) {
+ marker._middleLeft.setLatLng(this._getMiddleLatLng(marker._prev, marker));
+ }
+ if (marker._middleRight) {
+ marker._middleRight.setLatLng(this._getMiddleLatLng(marker, marker._next));
+ }
+
+ this._poly.redraw();
+ },
+
+ _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;
+ }
+
+ 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);
+
+ // 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');
+ },
+
+ _updateIndexes: function (index, delta) {
+ this._markerGroup.eachLayer(function (marker) {
+ if (marker._index > index) {
+ marker._index += delta;
+ }
+ });
+ },
+
+ _createMiddleMarker: function (marker1, marker2) {
+ var latlng = this._getMiddleLatLng(marker1, marker2),
+ marker = this._createMarker(latlng),
+ onClick,
+ onDragStart,
+ onDragEnd;
+
+ marker.setOpacity(0.6);
+
+ marker1._middleRight = marker2._middleLeft = marker;
+
+ onDragStart = function () {
+ var i = marker2._index;
+
+ marker._index = i;
+
+ marker
+ .off('click', onClick)
+ .on('click', this._onMarkerClick, this);
+
+ latlng.lat = marker.getLatLng().lat;
+ latlng.lng = marker.getLatLng().lng;
+ this._poly.spliceLatLngs(i, 0, latlng);
+ this._markers.splice(i, 0, marker);
+
+ marker.setOpacity(1);
+
+ this._updateIndexes(i, 1);
+ marker2._index++;
+ this._updatePrevNext(marker1, marker);
+ this._updatePrevNext(marker, marker2);
+ };
+
+ onDragEnd = function () {
+ marker.off('dragstart', onDragStart, this);
+ marker.off('dragend', onDragEnd, this);
+
+ this._createMiddleMarker(marker1, marker);
+ this._createMiddleMarker(marker, marker2);
+ };
+
+ 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);
+ },
+
+ _updatePrevNext: function (marker1, marker2) {
+ if (marker1) {
+ marker1._next = marker2;
+ }
+ if (marker2) {
+ marker2._prev = marker1;
+ }
+ },
+
+ _getMiddleLatLng: function (marker1, marker2) {
+ var map = this._poly._map,
+ p1 = map.latLngToLayerPoint(marker1.getLatLng()),
+ p2 = map.latLngToLayerPoint(marker2.getLatLng());
+
+ return map.layerPointToLatLng(p1._add(p2)._divideBy(2));
+ }
+});
+
+
+\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
+
+
+L.Map.include({
+ addControl: function (control) {
+ control.addTo(this);
+ return this;
+ },
+
+ removeControl: function (control) {
+ control.removeFrom(this);
+ return this;
+ },
+
+ _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);
+ }
+
+ createCorner('top', 'left');
+ createCorner('top', 'right');
+ createCorner('bottom', 'left');
+ createCorner('bottom', 'right');
+ }
+});
+
+
+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 = L.Control.extend({
+ options: {
+ position: 'bottomleft',
+ maxWidth: 100,
+ metric: true,
+ imperial: true,
+ updateWhenIdle: false
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ var className = 'leaflet-control-scale',
+ container = L.DomUtil.create('div', className),
+ options = this.options;
+
+ this._addScales(options, className, container);
+
+ map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
+ this._update();
+
+ return container;
+ },
+
+ onRemove: function (map) {
+ map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
+ },
+
+ _addScales: function (options, className, container) {
+ if (options.metric) {
+ this._mScale = L.DomUtil.create('div', className + '-line', container);
+ }
+ if (options.imperial) {
+ this._iScale = L.DomUtil.create('div', className + '-line', container);
+ }
+ },
+
+ _update: function () {
+ var bounds = this._map.getBounds(),
+ centerLat = bounds.getCenter().lat,
+ halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
+ dist = halfWorldMeters * (bounds.getNorthEast().lng - bounds.getSouthWest().lng) / 180,
+
+ size = this._map.getSize(),
+ options = this.options,
+ maxMeters = 0;
+
+ if (size.x > 0) {
+ maxMeters = dist * (options.maxWidth / size.x);
+ }
+
+ this._updateScales(options, maxMeters);
+ },
+
+ _updateScales: function (options, maxMeters) {
+ if (options.metric && maxMeters) {
+ this._updateMetric(maxMeters);
+ }
+
+ if (options.imperial && maxMeters) {
+ this._updateImperial(maxMeters);
+ }
+ },
+
+ _updateMetric: function (maxMeters) {
+ var meters = this._getRoundNum(maxMeters);
+
+ this._mScale.style.width = this._getScaleWidth(meters / maxMeters) + 'px';
+ this._mScale.innerHTML = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km';
+ },
+
+ _updateImperial: function (maxMeters) {
+ var maxFeet = maxMeters * 3.2808399,
+ scale = this._iScale,
+ maxMiles, miles, feet;
+
+ if (maxFeet > 5280) {
+ maxMiles = maxFeet / 5280;
+ miles = this._getRoundNum(maxMiles);
+
+ scale.style.width = this._getScaleWidth(miles / maxMiles) + 'px';
+ scale.innerHTML = miles + ' mi';
+
+ } else {
+ feet = this._getRoundNum(maxFeet);
+
+ scale.style.width = this._getScaleWidth(feet / maxFeet) + 'px';
+ scale.innerHTML = feet + ' ft';
+ }
+ },
+
+ _getScaleWidth: function (ratio) {
+ return Math.round(this.options.maxWidth * ratio) - 10;
+ },
+
+ _getRoundNum: function (num) {
+ var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1),
+ d = num / pow10;
+
+ d = d >= 10 ? 10 : d >= 5 ? 5 : d >= 3 ? 3 : d >= 2 ? 2 : 1;
+
+ return pow10 * d;
+ }
+});
+
+L.control.scale = function (options) {
+ return new L.Control.Scale(options);
+};
+
+
+\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.PosAnimation is used by Leaflet internally for pan animations.
+ */
+
+L.PosAnimation = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ run: function (el, newPos, duration, easing) { // (HTMLElement, Point[, Number, String])
+ this.stop();
+
+ this._el = el;
+ this._inProgress = true;
+
+ this.fire('start');
+
+ el.style[L.DomUtil.TRANSITION] = 'all ' + (duration || 0.25) + 's ' + (easing || 'ease-out');
+
+ 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);
+ },
+
+ stop: function () {
+ if (!this._inProgress) { return; }
+
+ // if we just removed the transition property, the element would jump to its final position,
+ // so we need to make it stay at the current position
+
+ L.DomUtil.setPosition(this._el, this._getPos());
+ this._onTransitionEnd();
+ },
+
+ // 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\.]+)\)/,
+
+ _getPos: function () {
+ var left, top, matches,
+ el = this._el,
+ style = window.getComputedStyle(el);
+
+ if (L.Browser.any3d) {
+ matches = style[L.DomUtil.TRANSFORM].match(this._transformRe);
+ left = parseFloat(matches[1]);
+ top = parseFloat(matches[2]);
+ } else {
+ left = parseFloat(style.left);
+ top = parseFloat(style.top);
+ }
+
+ return new L.Point(left, top, true);
+ },
+
+ _onTransitionEnd: function () {
+ L.DomEvent.off(this._el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);
+
+ if (!this._inProgress) { return; }
+ this._inProgress = false;
+
+ this._el.style[L.DomUtil.TRANSITION] = '';
+
+ clearInterval(this._stepTimer);
+
+ this.fire('step').fire('end');
+ }
+
+});
+
+
+
+L.Map.include({
+
+ setView: function (center, zoom, forceReset) {
+ zoom = this._limitZoom(zoom);
+
+ var zoomChanged = (this._zoom !== zoom);
+
+ if (this._loaded && !forceReset && this._layers) {
+
+ if (this._panAnim) {
+ this._panAnim.stop();
+ }
+
+ var done = (zoomChanged ?
+ this._zoomToIfClose && this._zoomToIfClose(center, zoom) :
+ this._panByIfClose(center));
+
+ // exit if animated pan or zoom started
+ if (done) {
+ clearTimeout(this._sizeTimer);
+ return this;
+ }
+ }
+
+ // reset the map view
+ this._resetView(center, zoom);
+
+ return this;
+ },
+
+ panBy: function (offset, duration) {
+ offset = L.point(offset);
+
+ if (!(offset.x || offset.y)) {
+ return this;
+ }
+
+ if (!this._panAnim) {
+ this._panAnim = new L.PosAnimation();
+
+ this._panAnim.on({
+ 'step': this._onPanTransitionStep,
+ 'end': this._onPanTransitionEnd
+ }, this);
+ }
+
+ this.fire('movestart');
+
+ 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);
+
+ return this;
+ },
+
+ _onPanTransitionStep: function () {
+ this.fire('move');
+ },
+
+ _onPanTransitionEnd: function () {
+ L.DomUtil.removeClass(this._mapPane, 'leaflet-pan-anim');
+ this.fire('moveend');
+ },
+
+ _panByIfClose: function (center) {
+ // 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;
+ },
+
+ _offsetIsWithinView: function (offset, multiplyFactor) {
+ var m = multiplyFactor || 1,
+ size = this.getSize();
+
+ return (Math.abs(offset.x) <= size.x * m) &&
+ (Math.abs(offset.y) <= size.y * m);
+ }
+});
+
+
+/*
+ * L.PosAnimation fallback implementation that powers Leaflet pan animations
+ * in browsers that don't support CSS3 Transitions.
+ */
+
+L.PosAnimation = L.DomUtil.TRANSITION ? L.PosAnimation : L.PosAnimation.extend({
+
+ run: function (el, newPos, duration, easing) { // (HTMLElement, Point[, Number, String])
+ this.stop();
+
+ this._el = el;
+ this._inProgress = true;
+ this._duration = duration || 0.25;
+ this._ease = this._easings[easing || 'ease-out'];
+
+ this._startPos = L.DomUtil.getPosition(el);
+ this._offset = newPos.subtract(this._startPos);
+ this._startTime = +new Date();
+
+ this.fire('start');
+
+ this._animate();
+ },
+
+ stop: function () {
+ if (!this._inProgress) { return; }
+
+ this._step();
+ this._complete();
+ },
+
+ _animate: function () {
+ // animation loop
+ this._animId = L.Util.requestAnimFrame(this._animate, this);
+ this._step();
+ },
+
+ _step: function () {
+ var elapsed = (+new Date()) - this._startTime,
+ duration = this._duration * 1000;
+
+ if (elapsed < duration) {
+ this._runFrame(this._ease(elapsed / duration));
+ } else {
+ this._runFrame(1);
+ this._complete();
+ }
+ },
+
+ _runFrame: function (progress) {
+ var pos = this._startPos.add(this._offset.multiplyBy(progress));
+ L.DomUtil.setPosition(this._el, pos);
+
+ this.fire('step');
+ },
+
+ _complete: function () {
+ L.Util.cancelAnimFrame(this._animId);
+
+ this._inProgress = false;
+ 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; }
+ }
+
+});
+
+
+L.Map.mergeOptions({
+ zoomAnimation: L.DomUtil.TRANSITION && !L.Browser.android23 && !L.Browser.mobileOpera
+});
+
+if (L.DomUtil.TRANSITION) {
+ L.Map.addInitHook(function () {
+ L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
+ });
+}
+
+L.Map.include(!L.DomUtil.TRANSITION ? {} : {
+
+ _zoomToIfClose: function (center, zoom) {
+
+ if (this._animatingZoom) { return true; }
+
+ if (!this.options.zoomAnimation) { return false; }
+
+ var scale = this.getZoomScale(zoom),
+ offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale);
+
+ // if offset does not exceed half of the view
+ if (!this._offsetIsWithinView(offset, 1)) { return false; }
+
+ L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
+
+ this
+ .fire('movestart')
+ .fire('zoomstart');
+
+ this.fire('zoomanim', {
+ center: center,
+ zoom: zoom
+ });
+
+ var origin = this._getCenterLayerPoint().add(offset);
+
+ this._prepareTileBg();
+ this._runAnimation(center, zoom, scale, origin);
+
+ return true;
+ },
+
+ _catchTransitionEnd: function (e) {
+ if (this._animatingZoom) {
+ this._onZoomTransitionEnd();
+ }
+ },
+
+ _runAnimation: function (center, zoom, scale, origin, backwardsTransform) {
+ this._animateToCenter = center;
+ this._animateToZoom = zoom;
+ this._animatingZoom = true;
+
+ if (L.Draggable) {
+ L.Draggable._disabled = true;
+ }
+
+ var transform = L.DomUtil.TRANSFORM,
+ tileBg = this._tileBg;
+
+ clearTimeout(this._clearTileBgTimer);
+
+ //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)';
+ }
+
+ 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];
+
+ tileBg.style[transform] = backwardsTransform ?
+ oldTransform + ' ' + scaleStr :
+ scaleStr + ' ' + oldTransform;
+ },
+
+ _prepareTileBg: function () {
+ var tilePane = this._tilePane,
+ tileBg = this._tileBg;
+
+ // 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) {
+
+ tilePane.style.visibility = 'hidden';
+ tilePane.empty = true;
+ this._stopLoadingImages(tilePane);
+ return;
+ }
+
+ if (!tileBg) {
+ tileBg = this._tileBg = this._createPane('leaflet-tile-pane', this._mapPane);
+ tileBg.style.zIndex = 1;
+ }
+
+ // prepare the background pane to become the main tile pane
+ tileBg.style[L.DomUtil.TRANSFORM] = '';
+ tileBg.style.visibility = 'hidden';
+
+ // tells tile layers to reinitialize their containers
+ tileBg.empty = true; //new FG
+ tilePane.empty = false; //new BG
+
+ //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;
+
+ L.DomUtil.addClass(newTileBg, 'leaflet-zoom-animated');
+
+ this._stopLoadingImages(newTileBg);
+ },
+
+ _getLoadedTilesPercentage: function (container) {
+ var tiles = container.getElementsByTagName('img'),
+ i, len, count = 0;
+
+ for (i = 0, len = tiles.length; i < len; i++) {
+ if (tiles[i].complete) {
+ count++;
+ }
+ }
+ return count / len;
+ },
+
+ // stops loading all tiles in the background layer
+ _stopLoadingImages: function (container) {
+ var tiles = Array.prototype.slice.call(container.getElementsByTagName('img')),
+ i, len, tile;
+
+ for (i = 0, len = tiles.length; i < len; i++) {
+ tile = tiles[i];
+
+ if (!tile.complete) {
+ tile.onload = L.Util.falseFn;
+ tile.onerror = L.Util.falseFn;
+ tile.src = L.Util.emptyImageUrl;
+
+ tile.parentNode.removeChild(tile);
+ }
+ }
+ },
+
+ _onZoomTransitionEnd: function () {
+ this._restoreTileFront();
+ L.Util.falseFn(this._tileBg.offsetWidth); // force reflow
+ this._resetView(this._animateToCenter, this._animateToZoom, true, true);
+
+ L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');
+ this._animatingZoom = false;
+
+ if (L.Draggable) {
+ L.Draggable._disabled = false;
+ }
+ },
+
+ _restoreTileFront: function () {
+ this._tilePane.innerHTML = '';
+ this._tilePane.style.visibility = '';
+ this._tilePane.style.zIndex = 2;
+ this._tileBg.style.zIndex = 1;
+ },
+
+ _clearTileBg: function () {
+ if (!this._animatingZoom && !this.touchZoom._zooming) {
+ this._tileBg.innerHTML = '';
+ }
+ }
+});
+
+
+/*\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
projects / rails.git / commitdiff
