--- /dev/null
+/*
+ Copyright (c) 2010-2012, CloudMade, Vladimir Agafonkin
+ Leaflet is an open-source JavaScript library for mobile-friendly interactive maps.
+ http://leafletjs.com
+*/
+(function (window, undefined) {
+
+var L, originalL;
+
+if (typeof exports !== undefined + '') {
+ L = exports;
+} else {
+ originalL = window.L;
+ L = {};
+
+ L.noConflict = function () {
+ window.L = originalL;
+ return this;
+ };
+
+ window.L = L;
+}
+
+L.version = '0.4.4';
+
+
+/*
+ * L.Util is a namespace for various utility functions.
+ */
+
+L.Util = {
+ extend: function (dest) { // (Object[, Object, ...]) ->
+ var sources = Array.prototype.slice.call(arguments, 1),
+ i, j, len, src;
+
+ for (j = 0, len = sources.length; j < len; j++) {
+ src = sources[j] || {};
+ for (i in src) {
+ if (src.hasOwnProperty(i)) {
+ dest[i] = src[i];
+ }
+ }
+ }
+ return dest;
+ },
+
+ bind: function (fn, obj) { // (Function, Object) -> Function
+ var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null;
+ return function () {
+ return fn.apply(obj, args || arguments);
+ };
+ },
+
+ stamp: (function () {
+ var lastId = 0, key = '_leaflet_id';
+ return function (/*Object*/ obj) {
+ obj[key] = obj[key] || ++lastId;
+ return obj[key];
+ };
+ }()),
+
+ limitExecByInterval: function (fn, time, context) {
+ var lock, execOnUnlock;
+
+ return function wrapperFn() {
+ var args = arguments;
+
+ if (lock) {
+ execOnUnlock = true;
+ return;
+ }
+
+ lock = true;
+
+ setTimeout(function () {
+ lock = false;
+
+ if (execOnUnlock) {
+ wrapperFn.apply(context, args);
+ execOnUnlock = false;
+ }
+ }, time);
+
+ fn.apply(context, args);
+ };
+ },
+
+ falseFn: function () {
+ return false;
+ },
+
+ formatNum: function (num, digits) {
+ var pow = Math.pow(10, digits || 5);
+ return Math.round(num * pow) / pow;
+ },
+
+ splitWords: function (str) {
+ return str.replace(/^\s+|\s+$/g, '').split(/\s+/);
+ },
+
+ setOptions: function (obj, options) {
+ obj.options = L.extend({}, obj.options, options);
+ return obj.options;
+ },
+
+ getParamString: function (obj) {
+ var params = [];
+ for (var i in obj) {
+ if (obj.hasOwnProperty(i)) {
+ params.push(i + '=' + obj[i]);
+ }
+ }
+ return '?' + params.join('&');
+ },
+
+ template: function (str, data) {
+ return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
+ var value = data[key];
+ if (!data.hasOwnProperty(key)) {
+ throw new Error('No value provided for variable ' + str);
+ }
+ return value;
+ });
+ },
+
+ emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
+};
+
+(function () {
+
+ // inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+
+ function getPrefixed(name) {
+ var i, fn,
+ prefixes = ['webkit', 'moz', 'o', 'ms'];
+
+ for (i = 0; i < prefixes.length && !fn; i++) {
+ fn = window[prefixes[i] + name];
+ }
+
+ return fn;
+ }
+
+ var lastTime = 0;
+
+ function timeoutDefer(fn) {
+ var time = +new Date(),
+ timeToCall = Math.max(0, 16 - (time - lastTime));
+
+ lastTime = time + timeToCall;
+ return window.setTimeout(fn, timeToCall);
+ }
+
+ var requestFn = window.requestAnimationFrame ||
+ getPrefixed('RequestAnimationFrame') || timeoutDefer;
+
+ var cancelFn = window.cancelAnimationFrame ||
+ getPrefixed('CancelAnimationFrame') ||
+ getPrefixed('CancelRequestAnimationFrame') ||
+ function (id) { window.clearTimeout(id); };
+
+
+ L.Util.requestAnimFrame = function (fn, context, immediate, element) {
+ fn = L.bind(fn, context);
+
+ if (immediate && requestFn === timeoutDefer) {
+ fn();
+ } else {
+ return requestFn.call(window, fn, element);
+ }
+ };
+
+ L.Util.cancelAnimFrame = function (id) {
+ if (id) {
+ cancelFn.call(window, id);
+ }
+ };
+
+}());
+
+// shortcuts for most used utility functions
+L.extend = L.Util.extend;
+L.bind = L.Util.bind;
+L.stamp = L.Util.stamp;
+L.setOptions = L.Util.setOptions;
+
+
+/*
+ * Class powers the OOP facilities of the library. Thanks to John Resig and Dean Edwards for inspiration!
+ */
+
+L.Class = function () {};
+
+L.Class.extend = function (/*Object*/ props) /*-> Class*/ {
+
+ // extended class with the new prototype
+ var NewClass = function () {
+ if (this.initialize) {
+ this.initialize.apply(this, arguments);
+ }
+ };
+
+ // instantiate class without calling constructor
+ var F = function () {};
+ F.prototype = this.prototype;
+
+ var proto = new F();
+ proto.constructor = NewClass;
+
+ NewClass.prototype = proto;
+
+ //inherit parent's statics
+ for (var i in this) {
+ if (this.hasOwnProperty(i) && i !== 'prototype') {
+ NewClass[i] = this[i];
+ }
+ }
+
+ // mix static properties into the class
+ if (props.statics) {
+ L.extend(NewClass, props.statics);
+ delete props.statics;
+ }
+
+ // mix includes into the prototype
+ if (props.includes) {
+ L.Util.extend.apply(null, [proto].concat(props.includes));
+ delete props.includes;
+ }
+
+ // merge options
+ if (props.options && proto.options) {
+ props.options = L.extend({}, proto.options, props.options);
+ }
+
+ // mix given properties into the prototype
+ L.extend(proto, props);
+
+ return NewClass;
+};
+
+
+// method for adding properties to prototype
+L.Class.include = function (props) {
+ L.extend(this.prototype, props);
+};
+
+L.Class.mergeOptions = function (options) {
+ L.extend(this.prototype.options, options);
+};
+
+
+/*
+ * L.Mixin.Events adds custom events functionality to Leaflet classes
+ */
+
+var key = '_leaflet_events';
+
+L.Mixin = {};
+
+L.Mixin.Events = {
+
+ addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
+ var events = this[key] = this[key] || {},
+ type, i, len;
+
+ // Types can be a map of types/handlers
+ if (typeof types === 'object') {
+ for (type in types) {
+ if (types.hasOwnProperty(type)) {
+ this.addEventListener(type, types[type], fn);
+ }
+ }
+
+ return this;
+ }
+
+ types = L.Util.splitWords(types);
+
+ for (i = 0, len = types.length; i < len; i++) {
+ events[types[i]] = events[types[i]] || [];
+ events[types[i]].push({
+ action: fn,
+ context: context || this
+ });
+ }
+
+ return this;
+ },
+
+ hasEventListeners: function (type) { // (String) -> Boolean
+ return (key in this) && (type in this[key]) && (this[key][type].length > 0);
+ },
+
+ removeEventListener: function (types, fn, context) { // (String[, Function, Object]) or (Object[, Object])
+ var events = this[key],
+ type, i, len, listeners, j;
+
+ if (typeof types === 'object') {
+ for (type in types) {
+ if (types.hasOwnProperty(type)) {
+ this.removeEventListener(type, types[type], fn);
+ }
+ }
+
+ return this;
+ }
+
+ types = L.Util.splitWords(types);
+
+ for (i = 0, len = types.length; i < len; i++) {
+
+ if (this.hasEventListeners(types[i])) {
+ listeners = events[types[i]];
+
+ for (j = listeners.length - 1; j >= 0; j--) {
+ if (
+ (!fn || listeners[j].action === fn) &&
+ (!context || (listeners[j].context === context))
+ ) {
+ listeners.splice(j, 1);
+ }
+ }
+ }
+ }
+
+ return this;
+ },
+
+ fireEvent: function (type, data) { // (String[, Object])
+ if (!this.hasEventListeners(type)) {
+ return this;
+ }
+
+ var event = L.extend({
+ type: type,
+ target: this
+ }, data);
+
+ var listeners = this[key][type].slice();
+
+ for (var i = 0, len = listeners.length; i < len; i++) {
+ listeners[i].action.call(listeners[i].context || this, event);
+ }
+
+ return this;
+ }
+};
+
+L.Mixin.Events.on = L.Mixin.Events.addEventListener;
+L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
+L.Mixin.Events.fire = L.Mixin.Events.fireEvent;
+
+
+(function () {
+
+ var ie = !!window.ActiveXObject,
+ // http://tanalin.com/en/articles/ie-version-js/
+ ie6 = ie && !window.XMLHttpRequest,
+ ie7 = ie && !document.querySelector,
+
+ // terrible browser detection to work around Safari / iOS / Android browser bugs
+ // see TileLayer._addTile and debug/hacks/jitter.html
+
+ ua = navigator.userAgent.toLowerCase(),
+ webkit = ua.indexOf("webkit") !== -1,
+ chrome = ua.indexOf("chrome") !== -1,
+ android = ua.indexOf("android") !== -1,
+ android23 = ua.search("android [23]") !== -1,
+
+ mobile = typeof orientation !== undefined + '',
+ msTouch = (window.navigator && window.navigator.msPointerEnabled && window.navigator.msMaxTouchPoints),
+ retina = (('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
+ ('matchMedia' in window && window.matchMedia("(min-resolution:144dpi)").matches)),
+
+ doc = document.documentElement,
+ ie3d = ie && ('transition' in doc.style),
+ webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()),
+ gecko3d = 'MozPerspective' in doc.style,
+ opera3d = 'OTransition' in doc.style,
+ any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d);
+
+
+ var touch = !window.L_NO_TOUCH && (function () {
+
+ var startName = 'ontouchstart';
+
+ // IE10+ (We simulate these into touch* events in L.DomEvent and L.DomEvent.MsTouch) or WebKit, etc.
+ if (msTouch || (startName in doc)) {
+ return true;
+ }
+
+ // Firefox/Gecko
+ var div = document.createElement('div'),
+ supported = false;
+
+ if (!div.setAttribute) {
+ return false;
+ }
+ div.setAttribute(startName, 'return;');
+
+ if (typeof div[startName] === 'function') {
+ supported = true;
+ }
+
+ div.removeAttribute(startName);
+ div = null;
+
+ return supported;
+ }());
+
+
+ L.Browser = {
+ ie6: ie6,
+ ie7: ie7,
+ webkit: webkit,
+
+ android: android,
+ android23: android23,
+
+ chrome: chrome,
+
+ ie3d: ie3d,
+ webkit3d: webkit3d,
+ gecko3d: gecko3d,
+ opera3d: opera3d,
+ any3d: any3d,
+
+ mobile: mobile,
+ mobileWebkit: mobile && webkit,
+ mobileWebkit3d: mobile && webkit3d,
+ mobileOpera: mobile && window.opera,
+
+ touch: touch,
+ msTouch: msTouch,
+
+ retina: retina
+ };
+
+}());
+
+
+/*
+ * L.Point represents a point with x and y coordinates.
+ */
+
+L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ round) {
+ this.x = (round ? Math.round(x) : x);
+ this.y = (round ? Math.round(y) : y);
+};
+
+L.Point.prototype = {
+
+ clone: function () {
+ return new L.Point(this.x, this.y);
+ },
+
+ // non-destructive, returns a new point
+ add: function (point) {
+ return this.clone()._add(L.point(point));
+ },
+
+ // destructive, used directly for performance in situations where it's safe to modify existing point
+ _add: function (point) {
+ this.x += point.x;
+ this.y += point.y;
+ return this;
+ },
+
+ subtract: function (point) {
+ return this.clone()._subtract(L.point(point));
+ },
+
+ _subtract: function (point) {
+ this.x -= point.x;
+ this.y -= point.y;
+ return this;
+ },
+
+ divideBy: function (num) {
+ return this.clone()._divideBy(num);
+ },
+
+ _divideBy: function (num) {
+ this.x /= num;
+ this.y /= num;
+ return this;
+ },
+
+ multiplyBy: function (num) {
+ return this.clone()._multiplyBy(num);
+ },
+
+ _multiplyBy: function (num) {
+ this.x *= num;
+ this.y *= num;
+ return this;
+ },
+
+ round: function () {
+ return this.clone()._round();
+ },
+
+ _round: function () {
+ this.x = Math.round(this.x);
+ this.y = Math.round(this.y);
+ return this;
+ },
+
+ floor: function () {
+ return this.clone()._floor();
+ },
+
+ _floor: function () {
+ this.x = Math.floor(this.x);
+ this.y = Math.floor(this.y);
+ return this;
+ },
+
+ distanceTo: function (point) {
+ point = L.point(point);
+
+ var x = point.x - this.x,
+ y = point.y - this.y;
+
+ return Math.sqrt(x * x + y * y);
+ },
+
+ toString: function () {
+ return 'Point(' +
+ L.Util.formatNum(this.x) + ', ' +
+ L.Util.formatNum(this.y) + ')';
+ }
+};
+
+L.point = function (x, y, round) {
+ if (x instanceof L.Point) {
+ return x;
+ }
+ if (x instanceof Array) {
+ return new L.Point(x[0], x[1]);
+ }
+ if (isNaN(x)) {
+ return x;
+ }
+ return new L.Point(x, y, round);
+};
+
+
+/*
+ * L.Bounds represents a rectangular area on the screen in pixel coordinates.
+ */
+
+L.Bounds = L.Class.extend({
+
+ initialize: function (a, b) { //(Point, Point) or Point[]
+ if (!a) { return; }
+
+ var points = b ? [a, b] : a;
+
+ for (var i = 0, len = points.length; i < len; i++) {
+ this.extend(points[i]);
+ }
+ },
+
+ // extend the bounds to contain the given point
+ extend: function (point) { // (Point)
+ point = L.point(point);
+
+ if (!this.min && !this.max) {
+ this.min = point.clone();
+ this.max = point.clone();
+ } else {
+ this.min.x = Math.min(point.x, this.min.x);
+ this.max.x = Math.max(point.x, this.max.x);
+ this.min.y = Math.min(point.y, this.min.y);
+ this.max.y = Math.max(point.y, this.max.y);
+ }
+ return this;
+ },
+
+ getCenter: function (round) { // (Boolean) -> Point
+ return new L.Point(
+ (this.min.x + this.max.x) / 2,
+ (this.min.y + this.max.y) / 2, round);
+ },
+
+ getBottomLeft: function () { // -> Point
+ return new L.Point(this.min.x, this.max.y);
+ },
+
+ getTopRight: function () { // -> Point
+ return new L.Point(this.max.x, this.min.y);
+ },
+
+ contains: function (obj) { // (Bounds) or (Point) -> Boolean
+ var min, max;
+
+ if (typeof obj[0] === 'number' || obj instanceof L.Point) {
+ obj = L.point(obj);
+ } else {
+ obj = L.bounds(obj);
+ }
+
+ if (obj instanceof L.Bounds) {
+ min = obj.min;
+ max = obj.max;
+ } else {
+ min = max = obj;
+ }
+
+ return (min.x >= this.min.x) &&
+ (max.x <= this.max.x) &&
+ (min.y >= this.min.y) &&
+ (max.y <= this.max.y);
+ },
+
+ intersects: function (bounds) { // (Bounds) -> Boolean
+ bounds = L.bounds(bounds);
+
+ var min = this.min,
+ max = this.max,
+ min2 = bounds.min,
+ max2 = bounds.max,
+ xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
+ yIntersects = (max2.y >= min.y) && (min2.y <= max.y);
+
+ return xIntersects && yIntersects;
+ },
+
+ isValid: function () {
+ return !!(this.min && this.max);
+ }
+});
+
+L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])
+ if (!a || a instanceof L.Bounds) {
+ return a;
+ }
+ return new L.Bounds(a, b);
+};
+
+
+/*
+ * L.Transformation is an utility class to perform simple point transformations through a 2d-matrix.
+ */
+
+L.Transformation = L.Class.extend({
+ initialize: function (/*Number*/ a, /*Number*/ b, /*Number*/ c, /*Number*/ d) {
+ this._a = a;
+ this._b = b;
+ this._c = c;
+ this._d = d;
+ },
+
+ transform: function (point, scale) {
+ return this._transform(point.clone(), scale);
+ },
+
+ // destructive transform (faster)
+ _transform: function (/*Point*/ point, /*Number*/ scale) /*-> Point*/ {
+ scale = scale || 1;
+ point.x = scale * (this._a * point.x + this._b);
+ point.y = scale * (this._c * point.y + this._d);
+ return point;
+ },
+
+ untransform: function (/*Point*/ point, /*Number*/ scale) /*-> Point*/ {
+ scale = scale || 1;
+ return new L.Point(
+ (point.x / scale - this._b) / this._a,
+ (point.y / scale - this._d) / this._c);
+ }
+});
+
+
+/*
+ * L.DomUtil contains various utility functions for working with DOM.
+ */
+
+L.DomUtil = {
+ get: function (id) {
+ return (typeof id === 'string' ? document.getElementById(id) : id);
+ },
+
+ getStyle: function (el, style) {
+
+ var value = el.style[style];
+
+ if (!value && el.currentStyle) {
+ value = el.currentStyle[style];
+ }
+
+ if ((!value || value === 'auto') && document.defaultView) {
+ var css = document.defaultView.getComputedStyle(el, null);
+ value = css ? css[style] : null;
+ }
+
+ return value === 'auto' ? null : value;
+ },
+
+ getViewportOffset: function (element) {
+
+ var top = 0,
+ left = 0,
+ el = element,
+ docBody = document.body,
+ pos,
+ ie7 = L.Browser.ie7;
+
+ do {
+ top += el.offsetTop || 0;
+ left += el.offsetLeft || 0;
+ pos = L.DomUtil.getStyle(el, 'position');
+
+ if (el.offsetParent === docBody && pos === 'absolute') { break; }
+
+ if (pos === 'fixed') {
+ top += docBody.scrollTop || 0;
+ left += docBody.scrollLeft || 0;
+ break;
+ }
+ el = el.offsetParent;
+
+ } while (el);
+
+ el = element;
+
+ do {
+ if (el === docBody) { break; }
+
+ top -= el.scrollTop || 0;
+ left -= el.scrollLeft || 0;
+
+ // webkit (and ie <= 7) handles RTL scrollLeft different to everyone else
+ // https://code.google.com/p/closure-library/source/browse/trunk/closure/goog/style/bidi.js
+ if (!L.DomUtil.documentIsLtr() && (L.Browser.webkit || ie7)) {
+ left += el.scrollWidth - el.clientWidth;
+
+ // ie7 shows the scrollbar by default and provides clientWidth counting it, so we
+ // need to add it back in if it is visible; scrollbar is on the left as we are RTL
+ if (ie7 && L.DomUtil.getStyle(el, 'overflow-y') !== 'hidden' &&
+ L.DomUtil.getStyle(el, 'overflow') !== 'hidden') {
+ left += 17;
+ }
+ }
+
+ el = el.parentNode;
+ } while (el);
+
+ return new L.Point(left, top);
+ },
+
+ documentIsLtr: function () {
+ if (!L.DomUtil._docIsLtrCached) {
+ L.DomUtil._docIsLtrCached = true;
+ L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === "ltr";
+ }
+ return L.DomUtil._docIsLtr;
+ },
+
+ create: function (tagName, className, container) {
+
+ var el = document.createElement(tagName);
+ el.className = className;
+
+ if (container) {
+ container.appendChild(el);
+ }
+
+ return el;
+ },
+
+ disableTextSelection: function () {
+ if (document.selection && document.selection.empty) {
+ document.selection.empty();
+ }
+ if (!this._onselectstart) {
+ this._onselectstart = document.onselectstart;
+ document.onselectstart = L.Util.falseFn;
+ }
+ },
+
+ enableTextSelection: function () {
+ if (document.onselectstart === L.Util.falseFn) {
+ document.onselectstart = this._onselectstart;
+ this._onselectstart = null;
+ }
+ },
+
+ hasClass: function (el, name) {
+ return (el.className.length > 0) &&
+ new RegExp("(^|\\s)" + name + "(\\s|$)").test(el.className);
+ },
+
+ addClass: function (el, name) {
+ if (!L.DomUtil.hasClass(el, name)) {
+ el.className += (el.className ? ' ' : '') + name;
+ }
+ },
+
+ removeClass: function (el, name) {
+
+ function replaceFn(w, match) {
+ if (match === name) { return ''; }
+ return w;
+ }
+
+ el.className = el.className
+ .replace(/(\S+)\s*/g, replaceFn)
+ .replace(/(^\s+|\s+$)/, '');
+ },
+
+ setOpacity: function (el, value) {
+
+ if ('opacity' in el.style) {
+ el.style.opacity = value;
+
+ } else if ('filter' in el.style) {
+
+ var filter = false,
+ filterName = 'DXImageTransform.Microsoft.Alpha';
+
+ // filters collection throws an error if we try to retrieve a filter that doesn't exist
+ try { filter = el.filters.item(filterName); } catch (e) {}
+
+ value = Math.round(value * 100);
+
+ if (filter) {
+ filter.Enabled = (value !== 100);
+ filter.Opacity = value;
+ } else {
+ el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
+ }
+ }
+ },
+
+ testProp: function (props) {
+
+ var style = document.documentElement.style;
+
+ for (var i = 0; i < props.length; i++) {
+ if (props[i] in style) {
+ return props[i];
+ }
+ }
+ return false;
+ },
+
+ getTranslateString: function (point) {
+ // on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate
+ // makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care
+ // (same speed either way), Opera 12 doesn't support translate3d
+
+ var is3d = L.Browser.webkit3d,
+ open = 'translate' + (is3d ? '3d' : '') + '(',
+ close = (is3d ? ',0' : '') + ')';
+
+ return open + point.x + 'px,' + point.y + 'px' + close;
+ },
+
+ getScaleString: function (scale, origin) {
+
+ var preTranslateStr = L.DomUtil.getTranslateString(origin.add(origin.multiplyBy(-1 * scale))),
+ scaleStr = ' scale(' + scale + ') ';
+
+ return preTranslateStr + scaleStr;
+ },
+
+ setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])
+
+ el._leaflet_pos = point;
+
+ if (!disable3D && L.Browser.any3d) {
+ el.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(point);
+
+ // workaround for Android 2/3 stability (https://github.com/CloudMade/Leaflet/issues/69)
+ if (L.Browser.mobileWebkit3d) {
+ el.style.WebkitBackfaceVisibility = 'hidden';
+ }
+ } else {
+ el.style.left = point.x + 'px';
+ el.style.top = point.y + 'px';
+ }
+ },
+
+ getPosition: function (el) {
+ // this method is only used for elements previously positioned using setPosition,
+ // so it's safe to cache the position for performance
+ return el._leaflet_pos;
+ }
+};
+
+
+// prefix style property names
+
+L.DomUtil.TRANSFORM = L.DomUtil.testProp(
+ ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);
+
+L.DomUtil.TRANSITION = L.DomUtil.testProp(
+ ['transition', 'webkitTransition', 'OTransition', 'MozTransition', 'msTransition']);
+
+L.DomUtil.TRANSITION_END =
+ L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ?
+ L.DomUtil.TRANSITION + 'End' : 'transitionend';
+
+
+/*
+ CM.LatLng represents a geographical point with latitude and longtitude coordinates.
+*/
+
+L.LatLng = function (rawLat, rawLng, noWrap) { // (Number, Number[, Boolean])
+ var lat = parseFloat(rawLat),
+ lng = parseFloat(rawLng);
+
+ if (isNaN(lat) || isNaN(lng)) {
+ throw new Error('Invalid LatLng object: (' + rawLat + ', ' + rawLng + ')');
+ }
+
+ if (noWrap !== true) {
+ lat = Math.max(Math.min(lat, 90), -90); // clamp latitude into -90..90
+ lng = (lng + 180) % 360 + ((lng < -180 || lng === 180) ? 180 : -180); // wrap longtitude into -180..180
+ }
+
+ this.lat = lat;
+ this.lng = lng;
+};
+
+L.extend(L.LatLng, {
+ DEG_TO_RAD: Math.PI / 180,
+ RAD_TO_DEG: 180 / Math.PI,
+ MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check
+});
+
+L.LatLng.prototype = {
+ equals: function (obj) { // (LatLng) -> Boolean
+ if (!obj) { return false; }
+
+ obj = L.latLng(obj);
+
+ var margin = Math.max(Math.abs(this.lat - obj.lat), Math.abs(this.lng - obj.lng));
+ return margin <= L.LatLng.MAX_MARGIN;
+ },
+
+ toString: function (precision) { // -> String
+ return 'LatLng(' +
+ L.Util.formatNum(this.lat, precision) + ', ' +
+ L.Util.formatNum(this.lng, precision) + ')';
+ },
+
+ // Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula
+ distanceTo: function (other) { // (LatLng) -> Number
+ other = L.latLng(other);
+
+ var R = 6378137, // earth radius in meters
+ d2r = L.LatLng.DEG_TO_RAD,
+ dLat = (other.lat - this.lat) * d2r,
+ dLon = (other.lng - this.lng) * d2r,
+ lat1 = this.lat * d2r,
+ lat2 = other.lat * d2r,
+ sin1 = Math.sin(dLat / 2),
+ sin2 = Math.sin(dLon / 2);
+
+ var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);
+
+ return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+ }
+};
+
+L.latLng = function (a, b, c) { // (LatLng) or ([Number, Number]) or (Number, Number, Boolean)
+ if (a instanceof L.LatLng) {
+ return a;
+ }
+ if (a instanceof Array) {
+ return new L.LatLng(a[0], a[1]);
+ }
+ if (isNaN(a)) {
+ return a;
+ }
+ return new L.LatLng(a, b, c);
+};
+
+
+
+/*
+ * L.LatLngBounds represents a rectangular area on the map in geographical coordinates.
+ */
+
+L.LatLngBounds = L.Class.extend({
+ initialize: function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])
+ if (!southWest) { return; }
+
+ var latlngs = northEast ? [southWest, northEast] : southWest;
+
+ for (var i = 0, len = latlngs.length; i < len; i++) {
+ this.extend(latlngs[i]);
+ }
+ },
+
+ // extend the bounds to contain the given point or bounds
+ extend: function (obj) { // (LatLng) or (LatLngBounds)
+ if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
+ obj = L.latLng(obj);
+ } else {
+ obj = L.latLngBounds(obj);
+ }
+
+ if (obj instanceof L.LatLng) {
+ if (!this._southWest && !this._northEast) {
+ this._southWest = new L.LatLng(obj.lat, obj.lng, true);
+ this._northEast = new L.LatLng(obj.lat, obj.lng, true);
+ } else {
+ this._southWest.lat = Math.min(obj.lat, this._southWest.lat);
+ this._southWest.lng = Math.min(obj.lng, this._southWest.lng);
+
+ this._northEast.lat = Math.max(obj.lat, this._northEast.lat);
+ this._northEast.lng = Math.max(obj.lng, this._northEast.lng);
+ }
+ } else if (obj instanceof L.LatLngBounds) {
+ this.extend(obj._southWest);
+ this.extend(obj._northEast);
+ }
+ return this;
+ },
+
+ // extend the bounds by a percentage
+ pad: function (bufferRatio) { // (Number) -> LatLngBounds
+ var sw = this._southWest,
+ ne = this._northEast,
+ heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,
+ widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;
+
+ return new L.LatLngBounds(
+ new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
+ new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
+ },
+
+ getCenter: function () { // -> LatLng
+ return new L.LatLng(
+ (this._southWest.lat + this._northEast.lat) / 2,
+ (this._southWest.lng + this._northEast.lng) / 2);
+ },
+
+ getSouthWest: function () {
+ return this._southWest;
+ },
+
+ getNorthEast: function () {
+ return this._northEast;
+ },
+
+ getNorthWest: function () {
+ return new L.LatLng(this._northEast.lat, this._southWest.lng, true);
+ },
+
+ getSouthEast: function () {
+ return new L.LatLng(this._southWest.lat, this._northEast.lng, true);
+ },
+
+ contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
+ if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
+ obj = L.latLng(obj);
+ } else {
+ obj = L.latLngBounds(obj);
+ }
+
+ var sw = this._southWest,
+ ne = this._northEast,
+ sw2, ne2;
+
+ if (obj instanceof L.LatLngBounds) {
+ sw2 = obj.getSouthWest();
+ ne2 = obj.getNorthEast();
+ } else {
+ sw2 = ne2 = obj;
+ }
+
+ return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
+ (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
+ },
+
+ intersects: function (bounds) { // (LatLngBounds)
+ bounds = L.latLngBounds(bounds);
+
+ var sw = this._southWest,
+ ne = this._northEast,
+ sw2 = bounds.getSouthWest(),
+ ne2 = bounds.getNorthEast(),
+
+ latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),
+ lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);
+
+ return latIntersects && lngIntersects;
+ },
+
+ toBBoxString: function () {
+ var sw = this._southWest,
+ ne = this._northEast;
+
+ return [sw.lng, sw.lat, ne.lng, ne.lat].join(',');
+ },
+
+ equals: function (bounds) { // (LatLngBounds)
+ if (!bounds) { return false; }
+
+ bounds = L.latLngBounds(bounds);
+
+ return this._southWest.equals(bounds.getSouthWest()) &&
+ this._northEast.equals(bounds.getNorthEast());
+ },
+
+ isValid: function () {
+ return !!(this._southWest && this._northEast);
+ }
+});
+
+//TODO International date line?
+
+L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng)
+ if (!a || a instanceof L.LatLngBounds) {
+ return a;
+ }
+ return new L.LatLngBounds(a, b);
+};
+
+
+/*
+ * L.Projection contains various geographical projections used by CRS classes.
+ */
+
+L.Projection = {};
+
+
+
+L.Projection.SphericalMercator = {
+ MAX_LATITUDE: 85.0511287798,
+
+ project: function (latlng) { // (LatLng) -> Point
+ var d = L.LatLng.DEG_TO_RAD,
+ max = this.MAX_LATITUDE,
+ lat = Math.max(Math.min(max, latlng.lat), -max),
+ x = latlng.lng * d,
+ y = lat * d;
+
+ y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));
+
+ return new L.Point(x, y);
+ },
+
+ unproject: function (point) { // (Point, Boolean) -> LatLng
+ var d = L.LatLng.RAD_TO_DEG,
+ lng = point.x * d,
+ lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d;
+
+ // TODO refactor LatLng wrapping
+ return new L.LatLng(lat, lng, true);
+ }
+};
+
+
+
+L.Projection.LonLat = {
+ project: function (latlng) {
+ return new L.Point(latlng.lng, latlng.lat);
+ },
+
+ unproject: function (point) {
+ return new L.LatLng(point.y, point.x, true);
+ }
+};
+
+
+
+L.CRS = {
+ latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point
+ var projectedPoint = this.projection.project(latlng),
+ scale = this.scale(zoom);
+
+ return this.transformation._transform(projectedPoint, scale);
+ },
+
+ pointToLatLng: function (point, zoom) { // (Point, Number[, Boolean]) -> LatLng
+ var scale = this.scale(zoom),
+ untransformedPoint = this.transformation.untransform(point, scale);
+
+ return this.projection.unproject(untransformedPoint);
+ },
+
+ project: function (latlng) {
+ return this.projection.project(latlng);
+ },
+
+ scale: function (zoom) {
+ return 256 * Math.pow(2, zoom);
+ }
+};
+
+
+
+L.CRS.Simple = L.extend({}, L.CRS, {
+ projection: L.Projection.LonLat,
+ transformation: new L.Transformation(1, 0, 1, 0)
+});
+
+
+
+L.CRS.EPSG3857 = L.extend({}, L.CRS, {
+ code: 'EPSG:3857',
+
+ projection: L.Projection.SphericalMercator,
+ transformation: new L.Transformation(0.5 / Math.PI, 0.5, -0.5 / Math.PI, 0.5),
+
+ project: function (latlng) { // (LatLng) -> Point
+ var projectedPoint = this.projection.project(latlng),
+ earthRadius = 6378137;
+ return projectedPoint.multiplyBy(earthRadius);
+ }
+});
+
+L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {
+ code: 'EPSG:900913'
+});
+
+
+
+L.CRS.EPSG4326 = L.extend({}, L.CRS, {
+ code: 'EPSG:4326',
+
+ projection: L.Projection.LonLat,
+ transformation: new L.Transformation(1 / 360, 0.5, -1 / 360, 0.5)
+});
+
+
+/*
+ * L.Map is the central class of the API - it is used to create a map.
+ */
+
+L.Map = L.Class.extend({
+
+ includes: L.Mixin.Events,
+
+ options: {
+ crs: L.CRS.EPSG3857,
+
+ /*
+ center: LatLng,
+ zoom: Number,
+ layers: Array,
+ */
+
+ fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android23,
+ trackResize: true,
+ markerZoomAnimation: L.DomUtil.TRANSITION && L.Browser.any3d
+ },
+
+ initialize: function (id, options) { // (HTMLElement or String, Object)
+ options = L.setOptions(this, options);
+
+ this._initContainer(id);
+ this._initLayout();
+ this._initHooks();
+ this._initEvents();
+
+ if (options.maxBounds) {
+ this.setMaxBounds(options.maxBounds);
+ }
+
+ if (options.center && options.zoom !== undefined) {
+ this.setView(L.latLng(options.center), options.zoom, true);
+ }
+
+ this._initLayers(options.layers);
+ },
+
+
+ // public methods that modify map state
+
+ // replaced by animation-powered implementation in Map.PanAnimation.js
+ setView: function (center, zoom) {
+ this._resetView(L.latLng(center), this._limitZoom(zoom));
+ return this;
+ },
+
+ setZoom: function (zoom) { // (Number)
+ return this.setView(this.getCenter(), zoom);
+ },
+
+ zoomIn: function (delta) {
+ return this.setZoom(this._zoom + (delta || 1));
+ },
+
+ zoomOut: function (delta) {
+ return this.setZoom(this._zoom - (delta || 1));
+ },
+
+ fitBounds: function (bounds) { // (LatLngBounds)
+ var zoom = this.getBoundsZoom(bounds);
+ return this.setView(L.latLngBounds(bounds).getCenter(), zoom);
+ },
+
+ fitWorld: function () {
+ var sw = new L.LatLng(-60, -170),
+ ne = new L.LatLng(85, 179);
+
+ return this.fitBounds(new L.LatLngBounds(sw, ne));
+ },
+
+ panTo: function (center) { // (LatLng)
+ return this.setView(center, this._zoom);
+ },
+
+ panBy: function (offset) { // (Point)
+ // replaced with animated panBy in Map.Animation.js
+ this.fire('movestart');
+
+ this._rawPanBy(L.point(offset));
+
+ this.fire('move');
+ return this.fire('moveend');
+ },
+
+ setMaxBounds: function (bounds) {
+ bounds = L.latLngBounds(bounds);
+
+ this.options.maxBounds = bounds;
+
+ if (!bounds) {
+ this._boundsMinZoom = null;
+ return this;
+ }
+
+ var minZoom = this.getBoundsZoom(bounds, true);
+
+ this._boundsMinZoom = minZoom;
+
+ if (this._loaded) {
+ if (this._zoom < minZoom) {
+ this.setView(bounds.getCenter(), minZoom);
+ } else {
+ this.panInsideBounds(bounds);
+ }
+ }
+
+ return this;
+ },
+
+ panInsideBounds: function (bounds) {
+ bounds = L.latLngBounds(bounds);
+
+ var viewBounds = this.getBounds(),
+ viewSw = this.project(viewBounds.getSouthWest()),
+ viewNe = this.project(viewBounds.getNorthEast()),
+ sw = this.project(bounds.getSouthWest()),
+ ne = this.project(bounds.getNorthEast()),
+ dx = 0,
+ dy = 0;
+
+ if (viewNe.y < ne.y) { // north
+ dy = ne.y - viewNe.y;
+ }
+ if (viewNe.x > ne.x) { // east
+ dx = ne.x - viewNe.x;
+ }
+ if (viewSw.y > sw.y) { // south
+ dy = sw.y - viewSw.y;
+ }
+ if (viewSw.x < sw.x) { // west
+ dx = sw.x - viewSw.x;
+ }
+
+ return this.panBy(new L.Point(dx, dy, true));
+ },
+
+ addLayer: function (layer) {
+ // TODO method is too big, refactor
+
+ var id = L.stamp(layer);
+
+ if (this._layers[id]) { return this; }
+
+ this._layers[id] = layer;
+
+ // TODO getMaxZoom, getMinZoom in ILayer (instead of options)
+ if (layer.options && !isNaN(layer.options.maxZoom)) {
+ this._layersMaxZoom = Math.max(this._layersMaxZoom || 0, layer.options.maxZoom);
+ }
+ if (layer.options && !isNaN(layer.options.minZoom)) {
+ this._layersMinZoom = Math.min(this._layersMinZoom || Infinity, layer.options.minZoom);
+ }
+
+ // TODO looks ugly, refactor!!!
+ if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
+ this._tileLayersNum++;
+ this._tileLayersToLoad++;
+ layer.on('load', this._onTileLayerLoad, this);
+ }
+
+ this.whenReady(function () {
+ layer.onAdd(this);
+ this.fire('layeradd', {layer: layer});
+ }, this);
+
+ return this;
+ },
+
+ removeLayer: function (layer) {
+ var id = L.stamp(layer);
+
+ if (!this._layers[id]) { return; }
+
+ layer.onRemove(this);
+
+ delete this._layers[id];
+
+ // TODO looks ugly, refactor
+ if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
+ this._tileLayersNum--;
+ this._tileLayersToLoad--;
+ layer.off('load', this._onTileLayerLoad, this);
+ }
+
+ return this.fire('layerremove', {layer: layer});
+ },
+
+ hasLayer: function (layer) {
+ var id = L.stamp(layer);
+ return this._layers.hasOwnProperty(id);
+ },
+
+ invalidateSize: function (animate) {
+ var oldSize = this.getSize();
+
+ this._sizeChanged = true;
+
+ if (this.options.maxBounds) {
+ this.setMaxBounds(this.options.maxBounds);
+ }
+
+ if (!this._loaded) { return this; }
+
+ var offset = oldSize._subtract(this.getSize())._divideBy(2)._round();
+
+ if (animate === true) {
+ this.panBy(offset);
+ } else {
+ this._rawPanBy(offset);
+
+ this.fire('move');
+
+ clearTimeout(this._sizeTimer);
+ this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
+ }
+ return this;
+ },
+
+ // TODO handler.addTo
+ addHandler: function (name, HandlerClass) {
+ if (!HandlerClass) { return; }
+
+ this[name] = new HandlerClass(this);
+
+ if (this.options[name]) {
+ this[name].enable();
+ }
+
+ return this;
+ },
+
+
+ // public methods for getting map state
+
+ getCenter: function () { // (Boolean) -> LatLng
+ return this.layerPointToLatLng(this._getCenterLayerPoint());
+ },
+
+ getZoom: function () {
+ return this._zoom;
+ },
+
+ getBounds: function () {
+ var bounds = this.getPixelBounds(),
+ sw = this.unproject(bounds.getBottomLeft()),
+ ne = this.unproject(bounds.getTopRight());
+
+ return new L.LatLngBounds(sw, ne);
+ },
+
+ getMinZoom: function () {
+ var z1 = this.options.minZoom || 0,
+ z2 = this._layersMinZoom || 0,
+ z3 = this._boundsMinZoom || 0;
+
+ return Math.max(z1, z2, z3);
+ },
+
+ getMaxZoom: function () {
+ var z1 = this.options.maxZoom === undefined ? Infinity : this.options.maxZoom,
+ z2 = this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom;
+
+ return Math.min(z1, z2);
+ },
+
+ getBoundsZoom: function (bounds, inside) { // (LatLngBounds, Boolean) -> Number
+ bounds = L.latLngBounds(bounds);
+
+ var size = this.getSize(),
+ zoom = this.options.minZoom || 0,
+ maxZoom = this.getMaxZoom(),
+ ne = bounds.getNorthEast(),
+ sw = bounds.getSouthWest(),
+ boundsSize,
+ nePoint,
+ swPoint,
+ zoomNotFound = true;
+
+ if (inside) {
+ zoom--;
+ }
+
+ do {
+ zoom++;
+ nePoint = this.project(ne, zoom);
+ swPoint = this.project(sw, zoom);
+
+ boundsSize = new L.Point(
+ Math.abs(nePoint.x - swPoint.x),
+ Math.abs(swPoint.y - nePoint.y));
+
+ if (!inside) {
+ zoomNotFound = boundsSize.x <= size.x && boundsSize.y <= size.y;
+ } else {
+ zoomNotFound = boundsSize.x < size.x || boundsSize.y < size.y;
+ }
+ } while (zoomNotFound && zoom <= maxZoom);
+
+ if (zoomNotFound && inside) {
+ return null;
+ }
+
+ return inside ? zoom : zoom - 1;
+ },
+
+ getSize: function () {
+ if (!this._size || this._sizeChanged) {
+ this._size = new L.Point(
+ this._container.clientWidth,
+ this._container.clientHeight);
+
+ this._sizeChanged = false;
+ }
+ return this._size.clone();
+ },
+
+ getPixelBounds: function () {
+ var topLeftPoint = this._getTopLeftPoint();
+ return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize()));
+ },
+
+ getPixelOrigin: function () {
+ return this._initialTopLeftPoint;
+ },
+
+ getPanes: function () {
+ return this._panes;
+ },
+
+ getContainer: function () {
+ return this._container;
+ },
+
+
+ // TODO replace with universal implementation after refactoring projections
+
+ getZoomScale: function (toZoom) {
+ var crs = this.options.crs;
+ return crs.scale(toZoom) / crs.scale(this._zoom);
+ },
+
+ getScaleZoom: function (scale) {
+ return this._zoom + (Math.log(scale) / Math.LN2);
+ },
+
+
+ // conversion methods
+
+ project: function (latlng, zoom) { // (LatLng[, Number]) -> Point
+ zoom = zoom === undefined ? this._zoom : zoom;
+ return this.options.crs.latLngToPoint(L.latLng(latlng), zoom);
+ },
+
+ unproject: function (point, zoom) { // (Point[, Number]) -> LatLng
+ zoom = zoom === undefined ? this._zoom : zoom;
+ return this.options.crs.pointToLatLng(L.point(point), zoom);
+ },
+
+ layerPointToLatLng: function (point) { // (Point)
+ var projectedPoint = L.point(point).add(this._initialTopLeftPoint);
+ return this.unproject(projectedPoint);
+ },
+
+ latLngToLayerPoint: function (latlng) { // (LatLng)
+ var projectedPoint = this.project(L.latLng(latlng))._round();
+ return projectedPoint._subtract(this._initialTopLeftPoint);
+ },
+
+ containerPointToLayerPoint: function (point) { // (Point)
+ return L.point(point).subtract(this._getMapPanePos());
+ },
+
+ layerPointToContainerPoint: function (point) { // (Point)
+ return L.point(point).add(this._getMapPanePos());
+ },
+
+ containerPointToLatLng: function (point) {
+ var layerPoint = this.containerPointToLayerPoint(L.point(point));
+ return this.layerPointToLatLng(layerPoint);
+ },
+
+ latLngToContainerPoint: function (latlng) {
+ return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng)));
+ },
+
+ mouseEventToContainerPoint: function (e) { // (MouseEvent)
+ return L.DomEvent.getMousePosition(e, this._container);
+ },
+
+ mouseEventToLayerPoint: function (e) { // (MouseEvent)
+ return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e));
+ },
+
+ mouseEventToLatLng: function (e) { // (MouseEvent)
+ return this.layerPointToLatLng(this.mouseEventToLayerPoint(e));
+ },
+
+
+ // map initialization methods
+
+ _initContainer: function (id) {
+ var container = this._container = L.DomUtil.get(id);
+
+ if (container._leaflet) {
+ throw new Error("Map container is already initialized.");
+ }
+
+ container._leaflet = true;
+ },
+
+ _initLayout: function () {
+ var container = this._container;
+
+ container.innerHTML = '';
+ L.DomUtil.addClass(container, 'leaflet-container');
+
+ if (L.Browser.touch) {
+ L.DomUtil.addClass(container, 'leaflet-touch');
+ }
+
+ if (this.options.fadeAnimation) {
+ L.DomUtil.addClass(container, 'leaflet-fade-anim');
+ }
+
+ var position = L.DomUtil.getStyle(container, 'position');
+
+ if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') {
+ container.style.position = 'relative';
+ }
+
+ this._initPanes();
+
+ if (this._initControlPos) {
+ this._initControlPos();
+ }
+ },
+
+ _initPanes: function () {
+ var panes = this._panes = {};
+
+ this._mapPane = panes.mapPane = this._createPane('leaflet-map-pane', this._container);
+
+ this._tilePane = panes.tilePane = this._createPane('leaflet-tile-pane', this._mapPane);
+ panes.objectsPane = this._createPane('leaflet-objects-pane', this._mapPane);
+ panes.shadowPane = this._createPane('leaflet-shadow-pane');
+ panes.overlayPane = this._createPane('leaflet-overlay-pane');
+ panes.markerPane = this._createPane('leaflet-marker-pane');
+ panes.popupPane = this._createPane('leaflet-popup-pane');
+
+ var zoomHide = ' leaflet-zoom-hide';
+
+ if (!this.options.markerZoomAnimation) {
+ L.DomUtil.addClass(panes.markerPane, zoomHide);
+ L.DomUtil.addClass(panes.shadowPane, zoomHide);
+ L.DomUtil.addClass(panes.popupPane, zoomHide);
+ }
+ },
+
+ _createPane: function (className, container) {
+ return L.DomUtil.create('div', className, container || this._panes.objectsPane);
+ },
+
+ _initializers: [],
+
+ _initHooks: function () {
+ var i, len;
+ for (i = 0, len = this._initializers.length; i < len; i++) {
+ this._initializers[i].call(this);
+ }
+ },
+
+ _initLayers: function (layers) {
+ layers = layers ? (layers instanceof Array ? layers : [layers]) : [];
+
+ this._layers = {};
+ this._tileLayersNum = 0;
+
+ var i, len;
+
+ for (i = 0, len = layers.length; i < len; i++) {
+ this.addLayer(layers[i]);
+ }
+ },
+
+
+ // private methods that modify map state
+
+ _resetView: function (center, zoom, preserveMapOffset, afterZoomAnim) {
+
+ var zoomChanged = (this._zoom !== zoom);
+
+ if (!afterZoomAnim) {
+ this.fire('movestart');
+
+ if (zoomChanged) {
+ this.fire('zoomstart');
+ }
+ }
+
+ this._zoom = zoom;
+
+ this._initialTopLeftPoint = this._getNewTopLeftPoint(center);
+
+ if (!preserveMapOffset) {
+ L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));
+ } else {
+ this._initialTopLeftPoint._add(this._getMapPanePos());
+ }
+
+ this._tileLayersToLoad = this._tileLayersNum;
+
+ var loading = !this._loaded;
+ this._loaded = true;
+
+ this.fire('viewreset', {hard: !preserveMapOffset});
+
+ this.fire('move');
+
+ if (zoomChanged || afterZoomAnim) {
+ this.fire('zoomend');
+ }
+
+ this.fire('moveend', {hard: !preserveMapOffset});
+
+ if (loading) {
+ this.fire('load');
+ }
+ },
+
+ _rawPanBy: function (offset) {
+ L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
+ },
+
+
+ // map events
+
+ _initEvents: function () {
+ if (!L.DomEvent) { return; }
+
+ L.DomEvent.on(this._container, 'click', this._onMouseClick, this);
+
+ var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter',
+ 'mouseleave', 'mousemove', 'contextmenu'],
+ i, len;
+
+ for (i = 0, len = events.length; i < len; i++) {
+ L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);
+ }
+
+ if (this.options.trackResize) {
+ L.DomEvent.on(window, 'resize', this._onResize, this);
+ }
+ },
+
+ _onResize: function () {
+ L.Util.cancelAnimFrame(this._resizeRequest);
+ this._resizeRequest = L.Util.requestAnimFrame(
+ this.invalidateSize, this, false, this._container);
+ },
+
+ _onMouseClick: function (e) {
+ if (!this._loaded || (this.dragging && this.dragging.moved())) { return; }
+
+ this.fire('preclick');
+ this._fireMouseEvent(e);
+ },
+
+ _fireMouseEvent: function (e) {
+ if (!this._loaded) { return; }
+
+ var type = e.type;
+
+ type = (type === 'mouseenter' ? 'mouseover' : (type === 'mouseleave' ? 'mouseout' : type));
+
+ if (!this.hasEventListeners(type)) { return; }
+
+ if (type === 'contextmenu') {
+ L.DomEvent.preventDefault(e);
+ }
+
+ var containerPoint = this.mouseEventToContainerPoint(e),
+ layerPoint = this.containerPointToLayerPoint(containerPoint),
+ latlng = this.layerPointToLatLng(layerPoint);
+
+ this.fire(type, {
+ latlng: latlng,
+ layerPoint: layerPoint,
+ containerPoint: containerPoint,
+ originalEvent: e
+ });
+ },
+
+ _onTileLayerLoad: function () {
+ // TODO super-ugly, refactor!!!
+ // clear scaled tiles after all new tiles are loaded (for performance)
+ this._tileLayersToLoad--;
+ if (this._tileLayersNum && !this._tileLayersToLoad && this._tileBg) {
+ clearTimeout(this._clearTileBgTimer);
+ this._clearTileBgTimer = setTimeout(L.bind(this._clearTileBg, this), 500);
+ }
+ },
+
+ whenReady: function (callback, context) {
+ if (this._loaded) {
+ callback.call(context || this, this);
+ } else {
+ this.on('load', callback, context);
+ }
+ return this;
+ },
+
+
+ // private methods for getting map state
+
+ _getMapPanePos: function () {
+ return L.DomUtil.getPosition(this._mapPane);
+ },
+
+ _getTopLeftPoint: function () {
+ if (!this._loaded) {
+ throw new Error('Set map center and zoom first.');
+ }
+
+ return this._initialTopLeftPoint.subtract(this._getMapPanePos());
+ },
+
+ _getNewTopLeftPoint: function (center, zoom) {
+ var viewHalf = this.getSize()._divideBy(2);
+ // TODO round on display, not calculation to increase precision?
+ return this.project(center, zoom)._subtract(viewHalf)._round();
+ },
+
+ _latLngToNewLayerPoint: function (latlng, newZoom, newCenter) {
+ var topLeft = this._getNewTopLeftPoint(newCenter, newZoom).add(this._getMapPanePos());
+ return this.project(latlng, newZoom)._subtract(topLeft);
+ },
+
+ _getCenterLayerPoint: function () {
+ return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
+ },
+
+ _getCenterOffset: function (center) {
+ return this.latLngToLayerPoint(center).subtract(this._getCenterLayerPoint());
+ },
+
+ _limitZoom: function (zoom) {
+ var min = this.getMinZoom(),
+ max = this.getMaxZoom();
+
+ return Math.max(min, Math.min(max, zoom));
+ }
+});
+
+L.Map.addInitHook = function (fn) {
+ var args = Array.prototype.slice.call(arguments, 1);
+
+ var init = typeof fn === 'function' ? fn : function () {
+ this[fn].apply(this, args);
+ };
+
+ this.prototype._initializers.push(init);
+};
+
+L.map = function (id, options) {
+ return new L.Map(id, options);
+};
+
+
+
+L.Projection.Mercator = {
+ MAX_LATITUDE: 85.0840591556,
+
+ R_MINOR: 6356752.3142,
+ R_MAJOR: 6378137,
+
+ project: function (latlng) { // (LatLng) -> Point
+ var d = L.LatLng.DEG_TO_RAD,
+ max = this.MAX_LATITUDE,
+ lat = Math.max(Math.min(max, latlng.lat), -max),
+ r = this.R_MAJOR,
+ r2 = this.R_MINOR,
+ x = latlng.lng * d * r,
+ y = lat * d,
+ tmp = r2 / r,
+ eccent = Math.sqrt(1.0 - tmp * tmp),
+ con = eccent * Math.sin(y);
+
+ con = Math.pow((1 - con) / (1 + con), eccent * 0.5);
+
+ var ts = Math.tan(0.5 * ((Math.PI * 0.5) - y)) / con;
+ y = -r2 * Math.log(ts);
+
+ return new L.Point(x, y);
+ },
+
+ unproject: function (point) { // (Point, Boolean) -> LatLng
+ var d = L.LatLng.RAD_TO_DEG,
+ r = this.R_MAJOR,
+ r2 = this.R_MINOR,
+ lng = point.x * d / r,
+ tmp = r2 / r,
+ eccent = Math.sqrt(1 - (tmp * tmp)),
+ ts = Math.exp(- point.y / r2),
+ phi = (Math.PI / 2) - 2 * Math.atan(ts),
+ numIter = 15,
+ tol = 1e-7,
+ i = numIter,
+ dphi = 0.1,
+ con;
+
+ while ((Math.abs(dphi) > tol) && (--i > 0)) {
+ con = eccent * Math.sin(phi);
+ dphi = (Math.PI / 2) - 2 * Math.atan(ts *
+ Math.pow((1.0 - con) / (1.0 + con), 0.5 * eccent)) - phi;
+ phi += dphi;
+ }
+
+ return new L.LatLng(phi * d, lng, true);
+ }
+};
+
+
+
+L.CRS.EPSG3395 = L.extend({}, L.CRS, {
+ code: 'EPSG:3395',
+
+ projection: L.Projection.Mercator,
+
+ transformation: (function () {
+ var m = L.Projection.Mercator,
+ r = m.R_MAJOR,
+ r2 = m.R_MINOR;
+
+ return new L.Transformation(0.5 / (Math.PI * r), 0.5, -0.5 / (Math.PI * r2), 0.5);
+ }())
+});
+
+
+/*
+ * L.TileLayer is used for standard xyz-numbered tile layers.
+ */
+
+L.TileLayer = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ options: {
+ minZoom: 0,
+ maxZoom: 18,
+ tileSize: 256,
+ subdomains: 'abc',
+ errorTileUrl: '',
+ attribution: '',
+ zoomOffset: 0,
+ opacity: 1,
+ /* (undefined works too)
+ zIndex: null,
+ tms: false,
+ continuousWorld: false,
+ noWrap: false,
+ zoomReverse: false,
+ detectRetina: false,
+ reuseTiles: false,
+ */
+ unloadInvisibleTiles: L.Browser.mobile,
+ updateWhenIdle: L.Browser.mobile
+ },
+
+ initialize: function (url, options) {
+ options = L.setOptions(this, options);
+
+ // detecting retina displays, adjusting tileSize and zoom levels
+ if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) {
+
+ options.tileSize = Math.floor(options.tileSize / 2);
+ options.zoomOffset++;
+
+ if (options.minZoom > 0) {
+ options.minZoom--;
+ }
+ this.options.maxZoom--;
+ }
+
+ this._url = url;
+
+ var subdomains = this.options.subdomains;
+
+ if (typeof subdomains === 'string') {
+ this.options.subdomains = subdomains.split('');
+ }
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ // create a container div for tiles
+ this._initContainer();
+
+ // create an image to clone for tiles
+ this._createTileProto();
+
+ // set up events
+ map.on({
+ 'viewreset': this._resetCallback,
+ 'moveend': this._update
+ }, this);
+
+ if (!this.options.updateWhenIdle) {
+ this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this);
+ map.on('move', this._limitedUpdate, this);
+ }
+
+ this._reset();
+ this._update();
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ onRemove: function (map) {
+ map._panes.tilePane.removeChild(this._container);
+
+ map.off({
+ 'viewreset': this._resetCallback,
+ 'moveend': this._update
+ }, this);
+
+ if (!this.options.updateWhenIdle) {
+ map.off('move', this._limitedUpdate, this);
+ }
+
+ this._container = null;
+ this._map = null;
+ },
+
+ bringToFront: function () {
+ var pane = this._map._panes.tilePane;
+
+ if (this._container) {
+ pane.appendChild(this._container);
+ this._setAutoZIndex(pane, Math.max);
+ }
+
+ return this;
+ },
+
+ bringToBack: function () {
+ var pane = this._map._panes.tilePane;
+
+ if (this._container) {
+ pane.insertBefore(this._container, pane.firstChild);
+ this._setAutoZIndex(pane, Math.min);
+ }
+
+ return this;
+ },
+
+ getAttribution: function () {
+ return this.options.attribution;
+ },
+
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+
+ if (this._map) {
+ this._updateOpacity();
+ }
+
+ return this;
+ },
+
+ setZIndex: function (zIndex) {
+ this.options.zIndex = zIndex;
+ this._updateZIndex();
+
+ return this;
+ },
+
+ setUrl: function (url, noRedraw) {
+ this._url = url;
+
+ if (!noRedraw) {
+ this.redraw();
+ }
+
+ return this;
+ },
+
+ redraw: function () {
+ if (this._map) {
+ this._map._panes.tilePane.empty = false;
+ this._reset(true);
+ this._update();
+ }
+ return this;
+ },
+
+ _updateZIndex: function () {
+ if (this._container && this.options.zIndex !== undefined) {
+ this._container.style.zIndex = this.options.zIndex;
+ }
+ },
+
+ _setAutoZIndex: function (pane, compare) {
+
+ var layers = pane.getElementsByClassName('leaflet-layer'),
+ edgeZIndex = -compare(Infinity, -Infinity), // -Ifinity for max, Infinity for min
+ zIndex, i, len;
+
+ for (i = 0, len = layers.length; i < len; i++) {
+
+ if (layers[i] !== this._container) {
+ zIndex = parseInt(layers[i].style.zIndex, 10);
+
+ if (!isNaN(zIndex)) {
+ edgeZIndex = compare(edgeZIndex, zIndex);
+ }
+ }
+ }
+
+ this.options.zIndex = this._container.style.zIndex =
+ (isFinite(edgeZIndex) ? edgeZIndex : 0) + compare(1, -1);
+ },
+
+ _updateOpacity: function () {
+ L.DomUtil.setOpacity(this._container, this.options.opacity);
+
+ // stupid webkit hack to force redrawing of tiles
+ var i,
+ tiles = this._tiles;
+
+ if (L.Browser.webkit) {
+ for (i in tiles) {
+ if (tiles.hasOwnProperty(i)) {
+ tiles[i].style.webkitTransform += ' translate(0,0)';
+ }
+ }
+ }
+ },
+
+ _initContainer: function () {
+ var tilePane = this._map._panes.tilePane;
+
+ if (!this._container || tilePane.empty) {
+ this._container = L.DomUtil.create('div', 'leaflet-layer');
+
+ this._updateZIndex();
+
+ tilePane.appendChild(this._container);
+
+ if (this.options.opacity < 1) {
+ this._updateOpacity();
+ }
+ }
+ },
+
+ _resetCallback: function (e) {
+ this._reset(e.hard);
+ },
+
+ _reset: function (clearOldContainer) {
+ var tiles = this._tiles;
+
+ for (var key in tiles) {
+ if (tiles.hasOwnProperty(key)) {
+ this.fire('tileunload', {tile: tiles[key]});
+ }
+ }
+
+ this._tiles = {};
+ this._tilesToLoad = 0;
+
+ if (this.options.reuseTiles) {
+ this._unusedTiles = [];
+ }
+
+ if (clearOldContainer && this._container) {
+ this._container.innerHTML = "";
+ }
+
+ this._initContainer();
+ },
+
+ _update: function (e) {
+
+ if (!this._map) { return; }
+
+ var bounds = this._map.getPixelBounds(),
+ zoom = this._map.getZoom(),
+ tileSize = this.options.tileSize;
+
+ if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
+ return;
+ }
+
+ var nwTilePoint = new L.Point(
+ Math.floor(bounds.min.x / tileSize),
+ Math.floor(bounds.min.y / tileSize)),
+
+ seTilePoint = new L.Point(
+ Math.floor(bounds.max.x / tileSize),
+ Math.floor(bounds.max.y / tileSize)),
+
+ tileBounds = new L.Bounds(nwTilePoint, seTilePoint);
+
+ this._addTilesFromCenterOut(tileBounds);
+
+ if (this.options.unloadInvisibleTiles || this.options.reuseTiles) {
+ this._removeOtherTiles(tileBounds);
+ }
+ },
+
+ _addTilesFromCenterOut: function (bounds) {
+ var queue = [],
+ center = bounds.getCenter();
+
+ var j, i, point;
+
+ for (j = bounds.min.y; j <= bounds.max.y; j++) {
+ for (i = bounds.min.x; i <= bounds.max.x; i++) {
+ point = new L.Point(i, j);
+
+ if (this._tileShouldBeLoaded(point)) {
+ queue.push(point);
+ }
+ }
+ }
+
+ var tilesToLoad = queue.length;
+
+ if (tilesToLoad === 0) { return; }
+
+ // load tiles in order of their distance to center
+ queue.sort(function (a, b) {
+ return a.distanceTo(center) - b.distanceTo(center);
+ });
+
+ var fragment = document.createDocumentFragment();
+
+ // if its the first batch of tiles to load
+ if (!this._tilesToLoad) {
+ this.fire('loading');
+ }
+
+ this._tilesToLoad += tilesToLoad;
+
+ for (i = 0; i < tilesToLoad; i++) {
+ this._addTile(queue[i], fragment);
+ }
+
+ this._container.appendChild(fragment);
+ },
+
+ _tileShouldBeLoaded: function (tilePoint) {
+ if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) {
+ return false; // already loaded
+ }
+
+ if (!this.options.continuousWorld) {
+ var limit = this._getWrapTileNum();
+
+ if (this.options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit) ||
+ tilePoint.y < 0 || tilePoint.y >= limit) {
+ return false; // exceeds world bounds
+ }
+ }
+
+ return true;
+ },
+
+ _removeOtherTiles: function (bounds) {
+ var kArr, x, y, key;
+
+ for (key in this._tiles) {
+ if (this._tiles.hasOwnProperty(key)) {
+ kArr = key.split(':');
+ x = parseInt(kArr[0], 10);
+ y = parseInt(kArr[1], 10);
+
+ // remove tile if it's out of bounds
+ if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) {
+ this._removeTile(key);
+ }
+ }
+ }
+ },
+
+ _removeTile: function (key) {
+ var tile = this._tiles[key];
+
+ this.fire("tileunload", {tile: tile, url: tile.src});
+
+ if (this.options.reuseTiles) {
+ L.DomUtil.removeClass(tile, 'leaflet-tile-loaded');
+ this._unusedTiles.push(tile);
+
+ } else if (tile.parentNode === this._container) {
+ this._container.removeChild(tile);
+ }
+
+ // for https://github.com/CloudMade/Leaflet/issues/137
+ if (!L.Browser.android) {
+ tile.src = L.Util.emptyImageUrl;
+ }
+
+ delete this._tiles[key];
+ },
+
+ _addTile: function (tilePoint, container) {
+ var tilePos = this._getTilePos(tilePoint);
+
+ // get unused tile - or create a new tile
+ var tile = this._getTile();
+
+ /*
+ Chrome 20 layouts much faster with top/left (verify with timeline, frames)
+ Android 4 browser has display issues with top/left and requires transform instead
+ Android 3 browser not tested
+ Android 2 browser requires top/left or tiles disappear on load or first drag
+ (reappear after zoom) https://github.com/CloudMade/Leaflet/issues/866
+ (other browsers don't currently care) - see debug/hacks/jitter.html for an example
+ */
+ L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome || L.Browser.android23);
+
+ this._tiles[tilePoint.x + ':' + tilePoint.y] = tile;
+
+ this._loadTile(tile, tilePoint);
+
+ if (tile.parentNode !== this._container) {
+ container.appendChild(tile);
+ }
+ },
+
+ _getZoomForUrl: function () {
+
+ var options = this.options,
+ zoom = this._map.getZoom();
+
+ if (options.zoomReverse) {
+ zoom = options.maxZoom - zoom;
+ }
+
+ return zoom + options.zoomOffset;
+ },
+
+ _getTilePos: function (tilePoint) {
+ var origin = this._map.getPixelOrigin(),
+ tileSize = this.options.tileSize;
+
+ return tilePoint.multiplyBy(tileSize).subtract(origin);
+ },
+
+ // image-specific code (override to implement e.g. Canvas or SVG tile layer)
+
+ getTileUrl: function (tilePoint) {
+ this._adjustTilePoint(tilePoint);
+
+ return L.Util.template(this._url, L.extend({
+ s: this._getSubdomain(tilePoint),
+ z: this._getZoomForUrl(),
+ x: tilePoint.x,
+ y: tilePoint.y
+ }, this.options));
+ },
+
+ _getWrapTileNum: function () {
+ // TODO refactor, limit is not valid for non-standard projections
+ return Math.pow(2, this._getZoomForUrl());
+ },
+
+ _adjustTilePoint: function (tilePoint) {
+
+ var limit = this._getWrapTileNum();
+
+ // wrap tile coordinates
+ if (!this.options.continuousWorld && !this.options.noWrap) {
+ tilePoint.x = ((tilePoint.x % limit) + limit) % limit;
+ }
+
+ if (this.options.tms) {
+ tilePoint.y = limit - tilePoint.y - 1;
+ }
+ },
+
+ _getSubdomain: function (tilePoint) {
+ var index = (tilePoint.x + tilePoint.y) % this.options.subdomains.length;
+ return this.options.subdomains[index];
+ },
+
+ _createTileProto: function () {
+ var img = this._tileImg = L.DomUtil.create('img', 'leaflet-tile');
+ img.style.width = img.style.height = this.options.tileSize + 'px';
+ img.galleryimg = 'no';
+ },
+
+ _getTile: function () {
+ if (this.options.reuseTiles && this._unusedTiles.length > 0) {
+ var tile = this._unusedTiles.pop();
+ this._resetTile(tile);
+ return tile;
+ }
+ return this._createTile();
+ },
+
+ _resetTile: function (tile) {
+ // Override if data stored on a tile needs to be cleaned up before reuse
+ },
+
+ _createTile: function () {
+ var tile = this._tileImg.cloneNode(false);
+ tile.onselectstart = tile.onmousemove = L.Util.falseFn;
+ return tile;
+ },
+
+ _loadTile: function (tile, tilePoint) {
+ tile._layer = this;
+ tile.onload = this._tileOnLoad;
+ tile.onerror = this._tileOnError;
+
+ tile.src = this.getTileUrl(tilePoint);
+ },
+
+ _tileLoaded: function () {
+ this._tilesToLoad--;
+ if (!this._tilesToLoad) {
+ this.fire('load');
+ }
+ },
+
+ _tileOnLoad: function (e) {
+ var layer = this._layer;
+
+ //Only if we are loading an actual image
+ if (this.src !== L.Util.emptyImageUrl) {
+ L.DomUtil.addClass(this, 'leaflet-tile-loaded');
+
+ layer.fire('tileload', {
+ tile: this,
+ url: this.src
+ });
+ }
+
+ layer._tileLoaded();
+ },
+
+ _tileOnError: function (e) {
+ var layer = this._layer;
+
+ layer.fire('tileerror', {
+ tile: this,
+ url: this.src
+ });
+
+ var newUrl = layer.options.errorTileUrl;
+ if (newUrl) {
+ this.src = newUrl;
+ }
+
+ layer._tileLoaded();
+ }
+});
+
+L.tileLayer = function (url, options) {
+ return new L.TileLayer(url, options);
+};
+
+
+L.TileLayer.WMS = L.TileLayer.extend({
+
+ defaultWmsParams: {
+ service: 'WMS',
+ request: 'GetMap',
+ version: '1.1.1',
+ layers: '',
+ styles: '',
+ format: 'image/jpeg',
+ transparent: false
+ },
+
+ initialize: function (url, options) { // (String, Object)
+
+ this._url = url;
+
+ var wmsParams = L.extend({}, this.defaultWmsParams);
+
+ if (options.detectRetina && L.Browser.retina) {
+ wmsParams.width = wmsParams.height = this.options.tileSize * 2;
+ } else {
+ wmsParams.width = wmsParams.height = this.options.tileSize;
+ }
+
+ for (var i in options) {
+ // all keys that are not TileLayer options go to WMS params
+ if (!this.options.hasOwnProperty(i)) {
+ wmsParams[i] = options[i];
+ }
+ }
+
+ this.wmsParams = wmsParams;
+
+ L.setOptions(this, options);
+ },
+
+ onAdd: function (map) {
+
+ var projectionKey = parseFloat(this.wmsParams.version) >= 1.3 ? 'crs' : 'srs';
+ this.wmsParams[projectionKey] = map.options.crs.code;
+
+ L.TileLayer.prototype.onAdd.call(this, map);
+ },
+
+ getTileUrl: function (tilePoint, zoom) { // (Point, Number) -> String
+
+ var map = this._map,
+ crs = map.options.crs,
+ tileSize = this.options.tileSize,
+
+ nwPoint = tilePoint.multiplyBy(tileSize),
+ sePoint = nwPoint.add(new L.Point(tileSize, tileSize)),
+
+ nw = crs.project(map.unproject(nwPoint, zoom)),
+ se = crs.project(map.unproject(sePoint, zoom)),
+
+ bbox = [nw.x, se.y, se.x, nw.y].join(','),
+
+ url = L.Util.template(this._url, {s: this._getSubdomain(tilePoint)});
+
+ return url + L.Util.getParamString(this.wmsParams) + "&bbox=" + bbox;
+ },
+
+ setParams: function (params, noRedraw) {
+
+ L.extend(this.wmsParams, params);
+
+ if (!noRedraw) {
+ this.redraw();
+ }
+
+ return this;
+ }
+});
+
+L.tileLayer.wms = function (url, options) {
+ return new L.TileLayer.WMS(url, options);
+};
+
+
+L.TileLayer.Canvas = L.TileLayer.extend({
+ options: {
+ async: false
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+ },
+
+ redraw: function () {
+ var tiles = this._tiles;
+
+ for (var i in tiles) {
+ if (tiles.hasOwnProperty(i)) {
+ this._redrawTile(tiles[i]);
+ }
+ }
+ },
+
+ _redrawTile: function (tile) {
+ this.drawTile(tile, tile._tilePoint, this._map._zoom);
+ },
+
+ _createTileProto: function () {
+ var proto = this._canvasProto = L.DomUtil.create('canvas', 'leaflet-tile');
+ proto.width = proto.height = this.options.tileSize;
+ },
+
+ _createTile: function () {
+ var tile = this._canvasProto.cloneNode(false);
+ tile.onselectstart = tile.onmousemove = L.Util.falseFn;
+ return tile;
+ },
+
+ _loadTile: function (tile, tilePoint) {
+ tile._layer = this;
+ tile._tilePoint = tilePoint;
+
+ this._redrawTile(tile);
+
+ if (!this.options.async) {
+ this.tileDrawn(tile);
+ }
+ },
+
+ drawTile: function (tile, tilePoint) {
+ // override with rendering code
+ },
+
+ tileDrawn: function (tile) {
+ this._tileOnLoad.call(tile);
+ }
+});
+
+
+L.tileLayer.canvas = function (options) {
+ return new L.TileLayer.Canvas(options);
+};
+
+
+L.ImageOverlay = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ options: {
+ opacity: 1
+ },
+
+ initialize: function (url, bounds, options) { // (String, LatLngBounds, Object)
+ this._url = url;
+ this._bounds = L.latLngBounds(bounds);
+
+ L.setOptions(this, options);
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ if (!this._image) {
+ this._initImage();
+ }
+
+ map._panes.overlayPane.appendChild(this._image);
+
+ map.on('viewreset', this._reset, this);
+
+ if (map.options.zoomAnimation && L.Browser.any3d) {
+ map.on('zoomanim', this._animateZoom, this);
+ }
+
+ this._reset();
+ },
+
+ onRemove: function (map) {
+ map.getPanes().overlayPane.removeChild(this._image);
+
+ map.off('viewreset', this._reset, this);
+
+ if (map.options.zoomAnimation) {
+ map.off('zoomanim', this._animateZoom, this);
+ }
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+ this._updateOpacity();
+ return this;
+ },
+
+ // TODO remove bringToFront/bringToBack duplication from TileLayer/Path
+ bringToFront: function () {
+ if (this._image) {
+ this._map._panes.overlayPane.appendChild(this._image);
+ }
+ return this;
+ },
+
+ bringToBack: function () {
+ var pane = this._map._panes.overlayPane;
+ if (this._image) {
+ pane.insertBefore(this._image, pane.firstChild);
+ }
+ return this;
+ },
+
+ _initImage: function () {
+ this._image = L.DomUtil.create('img', 'leaflet-image-layer');
+
+ if (this._map.options.zoomAnimation && L.Browser.any3d) {
+ L.DomUtil.addClass(this._image, 'leaflet-zoom-animated');
+ } else {
+ L.DomUtil.addClass(this._image, 'leaflet-zoom-hide');
+ }
+
+ this._updateOpacity();
+
+ //TODO createImage util method to remove duplication
+ L.extend(this._image, {
+ galleryimg: 'no',
+ onselectstart: L.Util.falseFn,
+ onmousemove: L.Util.falseFn,
+ onload: L.bind(this._onImageLoad, this),
+ src: this._url
+ });
+ },
+
+ _animateZoom: function (e) {
+ var map = this._map,
+ image = this._image,
+ scale = map.getZoomScale(e.zoom),
+ nw = this._bounds.getNorthWest(),
+ se = this._bounds.getSouthEast(),
+
+ topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center),
+ size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft),
+ currentSize = map.latLngToLayerPoint(se)._subtract(map.latLngToLayerPoint(nw)),
+ origin = topLeft._add(size._subtract(currentSize)._divideBy(2));
+
+ image.style[L.DomUtil.TRANSFORM] =
+ L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') ';
+ },
+
+ _reset: function () {
+ var image = this._image,
+ topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
+ size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);
+
+ L.DomUtil.setPosition(image, topLeft);
+
+ image.style.width = size.x + 'px';
+ image.style.height = size.y + 'px';
+ },
+
+ _onImageLoad: function () {
+ this.fire('load');
+ },
+
+ _updateOpacity: function () {
+ L.DomUtil.setOpacity(this._image, this.options.opacity);
+ }
+});
+
+L.imageOverlay = function (url, bounds, options) {
+ return new L.ImageOverlay(url, bounds, options);
+};
+
+
+L.Icon = L.Class.extend({
+ options: {
+ /*
+ iconUrl: (String) (required)
+ iconSize: (Point) (can be set through CSS)
+ iconAnchor: (Point) (centered by default, can be set in CSS with negative margins)
+ popupAnchor: (Point) (if not specified, popup opens in the anchor point)
+ shadowUrl: (Point) (no shadow by default)
+ shadowSize: (Point)
+ shadowAnchor: (Point)
+ */
+ className: ''
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+ },
+
+ createIcon: function () {
+ return this._createIcon('icon');
+ },
+
+ createShadow: function () {
+ return this._createIcon('shadow');
+ },
+
+ _createIcon: function (name) {
+ var src = this._getIconUrl(name);
+
+ if (!src) {
+ if (name === 'icon') {
+ throw new Error("iconUrl not set in Icon options (see the docs).");
+ }
+ return null;
+ }
+
+ var img = this._createImg(src);
+ this._setIconStyles(img, name);
+
+ return img;
+ },
+
+ _setIconStyles: function (img, name) {
+ var options = this.options,
+ size = L.point(options[name + 'Size']),
+ anchor;
+
+ if (name === 'shadow') {
+ anchor = L.point(options.shadowAnchor || options.iconAnchor);
+ } else {
+ anchor = L.point(options.iconAnchor);
+ }
+
+ if (!anchor && size) {
+ anchor = size.divideBy(2, true);
+ }
+
+ img.className = 'leaflet-marker-' + name + ' ' + options.className;
+
+ if (anchor) {
+ img.style.marginLeft = (-anchor.x) + 'px';
+ img.style.marginTop = (-anchor.y) + 'px';
+ }
+
+ if (size) {
+ img.style.width = size.x + 'px';
+ img.style.height = size.y + 'px';
+ }
+ },
+
+ _createImg: function (src) {
+ var el;
+
+ if (!L.Browser.ie6) {
+ el = document.createElement('img');
+ el.src = src;
+ } else {
+ el = document.createElement('div');
+ el.style.filter =
+ 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';
+ }
+ return el;
+ },
+
+ _getIconUrl: function (name) {
+ return this.options[name + 'Url'];
+ }
+});
+
+L.icon = function (options) {
+ return new L.Icon(options);
+};
+
+
+
+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';
+ }
+ }
+}());
+
+
+/*
+ * L.Marker is used to display clickable/draggable icons on the map.
+ */
+
+L.Marker = L.Class.extend({
+
+ includes: L.Mixin.Events,
+
+ options: {
+ icon: new L.Icon.Default(),
+ title: '',
+ clickable: true,
+ draggable: false,
+ zIndexOffset: 0,
+ opacity: 1,
+ riseOnHover: false,
+ riseOffset: 250
+ },
+
+ initialize: function (latlng, options) {
+ L.setOptions(this, options);
+ this._latlng = L.latLng(latlng);
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ map.on('viewreset', this.update, this);
+
+ this._initIcon();
+ this.update();
+
+ if (map.options.zoomAnimation && map.options.markerZoomAnimation) {
+ map.on('zoomanim', this._animateZoom, this);
+ }
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ onRemove: function (map) {
+ this._removeIcon();
+
+ this.fire('remove');
+
+ map.off({
+ 'viewreset': this.update,
+ 'zoomanim': this._animateZoom
+ }, this);
+
+ this._map = null;
+ },
+
+ getLatLng: function () {
+ return this._latlng;
+ },
+
+ setLatLng: function (latlng) {
+ this._latlng = L.latLng(latlng);
+
+ this.update();
+
+ this.fire('move', { latlng: this._latlng });
+ },
+
+ setZIndexOffset: function (offset) {
+ this.options.zIndexOffset = offset;
+ this.update();
+ },
+
+ setIcon: function (icon) {
+ if (this._map) {
+ this._removeIcon();
+ }
+
+ this.options.icon = icon;
+
+ if (this._map) {
+ this._initIcon();
+ this.update();
+ }
+ },
+
+ update: function () {
+ if (!this._icon) { return; }
+
+ var pos = this._map.latLngToLayerPoint(this._latlng).round();
+ this._setPos(pos);
+ },
+
+ _initIcon: function () {
+ var options = this.options,
+ map = this._map,
+ animation = (map.options.zoomAnimation && map.options.markerZoomAnimation),
+ classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide',
+ needOpacityUpdate = false;
+
+ if (!this._icon) {
+ this._icon = options.icon.createIcon();
+
+ if (options.title) {
+ this._icon.title = options.title;
+ }
+
+ this._initInteraction();
+ needOpacityUpdate = (this.options.opacity < 1);
+
+ L.DomUtil.addClass(this._icon, classToAdd);
+
+ if (options.riseOnHover) {
+ L.DomEvent
+ .on(this._icon, 'mouseover', this._bringToFront, this)
+ .on(this._icon, 'mouseout', this._resetZIndex, this);
+ }
+ }
+
+ if (!this._shadow) {
+ this._shadow = options.icon.createShadow();
+
+ if (this._shadow) {
+ L.DomUtil.addClass(this._shadow, classToAdd);
+ needOpacityUpdate = (this.options.opacity < 1);
+ }
+ }
+
+ if (needOpacityUpdate) {
+ this._updateOpacity();
+ }
+
+ var panes = this._map._panes;
+
+ panes.markerPane.appendChild(this._icon);
+
+ if (this._shadow) {
+ panes.shadowPane.appendChild(this._shadow);
+ }
+ },
+
+ _removeIcon: function () {
+ var panes = this._map._panes;
+
+ if (this.options.riseOnHover) {
+ L.DomEvent
+ .off(this._icon, 'mouseover', this._bringToFront)
+ .off(this._icon, 'mouseout', this._resetZIndex);
+ }
+
+ panes.markerPane.removeChild(this._icon);
+
+ if (this._shadow) {
+ panes.shadowPane.removeChild(this._shadow);
+ }
+
+ this._icon = this._shadow = null;
+ },
+
+ _setPos: function (pos) {
+ L.DomUtil.setPosition(this._icon, pos);
+
+ if (this._shadow) {
+ L.DomUtil.setPosition(this._shadow, pos);
+ }
+
+ this._zIndex = pos.y + this.options.zIndexOffset;
+
+ this._resetZIndex();
+ },
+
+ _updateZIndex: function (offset) {
+ this._icon.style.zIndex = this._zIndex + offset;
+ },
+
+ _animateZoom: function (opt) {
+ var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);
+
+ this._setPos(pos);
+ },
+
+ _initInteraction: function () {
+ if (!this.options.clickable) {
+ return;
+ }
+
+ var icon = this._icon,
+ events = ['dblclick', 'mousedown', 'mouseover', 'mouseout'];
+
+ L.DomUtil.addClass(icon, 'leaflet-clickable');
+ L.DomEvent.on(icon, 'click', this._onMouseClick, this);
+
+ for (var i = 0; i < events.length; i++) {
+ L.DomEvent.on(icon, events[i], this._fireMouseEvent, this);
+ }
+
+ if (L.Handler.MarkerDrag) {
+ this.dragging = new L.Handler.MarkerDrag(this);
+
+ if (this.options.draggable) {
+ this.dragging.enable();
+ }
+ }
+ },
+
+ _onMouseClick: function (e) {
+ var wasDragged = this.dragging && this.dragging.moved();
+ if (this.hasEventListeners(e.type) || wasDragged) {
+ L.DomEvent.stopPropagation(e);
+ }
+ if (wasDragged) { return; }
+ if (this._map.dragging && this._map.dragging.moved()) { return; }
+ this.fire(e.type, {
+ originalEvent: e
+ });
+ },
+
+ _fireMouseEvent: function (e) {
+ this.fire(e.type, {
+ originalEvent: e
+ });
+ if (e.type !== 'mousedown') {
+ L.DomEvent.stopPropagation(e);
+ }
+ },
+
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+ if (this._map) {
+ this._updateOpacity();
+ }
+ },
+
+ _updateOpacity: function () {
+ L.DomUtil.setOpacity(this._icon, this.options.opacity);
+ if (this._shadow) {
+ L.DomUtil.setOpacity(this._shadow, this.options.opacity);
+ }
+ },
+
+ _bringToFront: function () {
+ this._updateZIndex(this.options.riseOffset);
+ },
+
+ _resetZIndex: function () {
+ this._updateZIndex(0);
+ }
+});
+
+L.marker = function (latlng, options) {
+ return new L.Marker(latlng, options);
+};
+
+
+L.DivIcon = 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);
+};
+
+
+
+L.Map.mergeOptions({
+ closePopupOnClick: true
+});
+
+L.Popup = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ options: {
+ minWidth: 50,
+ maxWidth: 300,
+ maxHeight: null,
+ autoPan: true,
+ closeButton: true,
+ offset: new L.Point(0, 6),
+ autoPanPadding: new L.Point(5, 5),
+ className: ''
+ },
+
+ initialize: function (options, source) {
+ L.setOptions(this, options);
+
+ this._source = source;
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ if (!this._container) {
+ this._initLayout();
+ }
+ this._updateContent();
+
+ var animFade = map.options.fadeAnimation;
+
+ if (animFade) {
+ L.DomUtil.setOpacity(this._container, 0);
+ }
+ map._panes.popupPane.appendChild(this._container);
+
+ map.on('viewreset', this._updatePosition, this);
+
+ if (L.Browser.any3d) {
+ map.on('zoomanim', this._zoomAnimation, this);
+ }
+
+ if (map.options.closePopupOnClick) {
+ map.on('preclick', this._close, this);
+ }
+
+ this._update();
+
+ if (animFade) {
+ L.DomUtil.setOpacity(this._container, 1);
+ }
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ openOn: function (map) {
+ map.openPopup(this);
+ return this;
+ },
+
+ onRemove: function (map) {
+ map._panes.popupPane.removeChild(this._container);
+
+ L.Util.falseFn(this._container.offsetWidth); // force reflow
+
+ map.off({
+ viewreset: this._updatePosition,
+ preclick: this._close,
+ zoomanim: this._zoomAnimation
+ }, this);
+
+ if (map.options.fadeAnimation) {
+ L.DomUtil.setOpacity(this._container, 0);
+ }
+
+ this._map = null;
+ },
+
+ setLatLng: function (latlng) {
+ this._latlng = L.latLng(latlng);
+ this._update();
+ return this;
+ },
+
+ setContent: function (content) {
+ this._content = content;
+ this._update();
+ return this;
+ },
+
+ _close: function () {
+ var map = this._map;
+
+ if (map) {
+ map._popup = null;
+
+ map
+ .removeLayer(this)
+ .fire('popupclose', {popup: this});
+ }
+ },
+
+ _initLayout: function () {
+ var prefix = 'leaflet-popup',
+ containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-animated',
+ container = this._container = L.DomUtil.create('div', containerClass),
+ closeButton;
+
+ if (this.options.closeButton) {
+ closeButton = this._closeButton =
+ L.DomUtil.create('a', prefix + '-close-button', container);
+ closeButton.href = '#close';
+ closeButton.innerHTML = '×';
+
+ L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);
+ }
+
+ var wrapper = this._wrapper =
+ L.DomUtil.create('div', prefix + '-content-wrapper', container);
+ L.DomEvent.disableClickPropagation(wrapper);
+
+ this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);
+ L.DomEvent.on(this._contentNode, 'mousewheel', L.DomEvent.stopPropagation);
+
+ this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);
+ this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);
+ },
+
+ _update: function () {
+ if (!this._map) { return; }
+
+ this._container.style.visibility = 'hidden';
+
+ this._updateContent();
+ this._updateLayout();
+ this._updatePosition();
+
+ this._container.style.visibility = '';
+
+ this._adjustPan();
+ },
+
+ _updateContent: function () {
+ if (!this._content) { return; }
+
+ if (typeof this._content === 'string') {
+ this._contentNode.innerHTML = this._content;
+ } else {
+ while (this._contentNode.hasChildNodes()) {
+ this._contentNode.removeChild(this._contentNode.firstChild);
+ }
+ this._contentNode.appendChild(this._content);
+ }
+ this.fire('contentupdate');
+ },
+
+ _updateLayout: function () {
+ var container = this._contentNode,
+ style = container.style;
+
+ style.width = '';
+ style.whiteSpace = 'nowrap';
+
+ var width = container.offsetWidth;
+ width = Math.min(width, this.options.maxWidth);
+ width = Math.max(width, this.options.minWidth);
+
+ style.width = (width + 1) + 'px';
+ style.whiteSpace = '';
+
+ style.height = '';
+
+ var height = container.offsetHeight,
+ maxHeight = this.options.maxHeight,
+ scrolledClass = 'leaflet-popup-scrolled';
+
+ if (maxHeight && height > maxHeight) {
+ style.height = maxHeight + 'px';
+ L.DomUtil.addClass(container, scrolledClass);
+ } else {
+ L.DomUtil.removeClass(container, scrolledClass);
+ }
+
+ this._containerWidth = this._container.offsetWidth;
+ },
+
+ _updatePosition: function () {
+ if (!this._map) { return; }
+
+ var pos = this._map.latLngToLayerPoint(this._latlng),
+ is3d = L.Browser.any3d,
+ offset = this.options.offset;
+
+ if (is3d) {
+ L.DomUtil.setPosition(this._container, pos);
+ }
+
+ this._containerBottom = -offset.y - (is3d ? 0 : pos.y);
+ this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (is3d ? 0 : pos.x);
+
+ //Bottom position the popup in case the height of the popup changes (images loading etc)
+ this._container.style.bottom = this._containerBottom + 'px';
+ this._container.style.left = this._containerLeft + 'px';
+ },
+
+ _zoomAnimation: function (opt) {
+ var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);
+
+ L.DomUtil.setPosition(this._container, pos);
+ },
+
+ _adjustPan: function () {
+ if (!this.options.autoPan) { return; }
+
+ var map = this._map,
+ containerHeight = this._container.offsetHeight,
+ containerWidth = this._containerWidth,
+
+ layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);
+
+ if (L.Browser.any3d) {
+ layerPos._add(L.DomUtil.getPosition(this._container));
+ }
+
+ var containerPos = map.layerPointToContainerPoint(layerPos),
+ padding = this.options.autoPanPadding,
+ size = map.getSize(),
+ dx = 0,
+ dy = 0;
+
+ if (containerPos.x < 0) {
+ dx = containerPos.x - padding.x;
+ }
+ if (containerPos.x + containerWidth > size.x) {
+ dx = containerPos.x + containerWidth - size.x + padding.x;
+ }
+ if (containerPos.y < 0) {
+ dy = containerPos.y - padding.y;
+ }
+ if (containerPos.y + containerHeight > size.y) {
+ dy = containerPos.y + containerHeight - size.y + padding.y;
+ }
+
+ if (dx || dy) {
+ map.panBy(new L.Point(dx, dy));
+ }
+ },
+
+ _onCloseButtonClick: function (e) {
+ this._close();
+ L.DomEvent.stop(e);
+ }
+});
+
+L.popup = function (options, source) {
+ return new L.Popup(options, source);
+};
+
+
+/*
+ * Popup extension to L.Marker, adding openPopup & bindPopup methods.
+ */
+
+L.Marker.include({
+ openPopup: function () {
+ if (this._popup && this._map) {
+ this._popup.setLatLng(this._latlng);
+ this._map.openPopup(this._popup);
+ }
+
+ return this;
+ },
+
+ closePopup: function () {
+ if (this._popup) {
+ this._popup._close();
+ }
+ return this;
+ },
+
+ bindPopup: function (content, options) {
+ var anchor = L.point(this.options.icon.options.popupAnchor) || new L.Point(0, 0);
+
+ anchor = anchor.add(L.Popup.prototype.options.offset);
+
+ if (options && options.offset) {
+ anchor = anchor.add(options.offset);
+ }
+
+ options = L.extend({offset: anchor}, options);
+
+ if (!this._popup) {
+ this
+ .on('click', this.openPopup, this)
+ .on('remove', this.closePopup, this)
+ .on('move', this._movePopup, this);
+ }
+
+ this._popup = new L.Popup(options, this)
+ .setContent(content);
+
+ return this;
+ },
+
+ unbindPopup: function () {
+ if (this._popup) {
+ this._popup = null;
+ this
+ .off('click', this.openPopup)
+ .off('remove', this.closePopup)
+ .off('move', this._movePopup);
+ }
+ return this;
+ },
+
+ _movePopup: function (e) {
+ this._popup.setLatLng(e.latlng);
+ }
+});
+
+
+
+L.Map.include({
+ openPopup: function (popup) {
+ this.closePopup();
+
+ this._popup = popup;
+
+ return this
+ .addLayer(popup)
+ .fire('popupopen', {popup: this._popup});
+ },
+
+ closePopup: function () {
+ if (this._popup) {
+ this._popup._close();
+ }
+ return this;
+ }
+});
+
+
+/*
+ * L.LayerGroup is a class to combine several layers so you can manipulate the group (e.g. add/remove it) as one layer.
+ */
+
+L.LayerGroup = L.Class.extend({
+ initialize: function (layers) {
+ this._layers = {};
+
+ var i, len;
+
+ if (layers) {
+ for (i = 0, len = layers.length; i < len; i++) {
+ this.addLayer(layers[i]);
+ }
+ }
+ },
+
+ addLayer: function (layer) {
+ var id = L.stamp(layer);
+
+ this._layers[id] = layer;
+
+ if (this._map) {
+ this._map.addLayer(layer);
+ }
+
+ return this;
+ },
+
+ removeLayer: function (layer) {
+ var id = L.stamp(layer);
+
+ delete this._layers[id];
+
+ if (this._map) {
+ this._map.removeLayer(layer);
+ }
+
+ return this;
+ },
+
+ clearLayers: function () {
+ this.eachLayer(this.removeLayer, this);
+ return this;
+ },
+
+ invoke: function (methodName) {
+ var args = Array.prototype.slice.call(arguments, 1),
+ i, layer;
+
+ for (i in this._layers) {
+ if (this._layers.hasOwnProperty(i)) {
+ layer = this._layers[i];
+
+ if (layer[methodName]) {
+ layer[methodName].apply(layer, args);
+ }
+ }
+ }
+
+ return this;
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+ this.eachLayer(map.addLayer, map);
+ },
+
+ onRemove: function (map) {
+ this.eachLayer(map.removeLayer, map);
+ this._map = null;
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ eachLayer: function (method, context) {
+ for (var i in this._layers) {
+ if (this._layers.hasOwnProperty(i)) {
+ method.call(context, this._layers[i]);
+ }
+ }
+ }
+});
+
+L.layerGroup = function (layers) {
+ return new L.LayerGroup(layers);
+};
+
+
+/*
+ * L.FeatureGroup extends L.LayerGroup by introducing mouse events and bindPopup method shared between a group of layers.
+ */
+
+L.FeatureGroup = L.LayerGroup.extend({
+ includes: L.Mixin.Events,
+
+ statics: {
+ EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu'
+ },
+
+ addLayer: function (layer) {
+ if (this._layers[L.stamp(layer)]) {
+ return this;
+ }
+
+ layer.on(L.FeatureGroup.EVENTS, this._propagateEvent, this);
+
+ L.LayerGroup.prototype.addLayer.call(this, layer);
+
+ if (this._popupContent && layer.bindPopup) {
+ layer.bindPopup(this._popupContent);
+ }
+
+ return this.fire('layeradd', {layer: layer});
+ },
+
+ removeLayer: function (layer) {
+ layer.off(L.FeatureGroup.EVENTS, this._propagateEvent, this);
+
+ L.LayerGroup.prototype.removeLayer.call(this, layer);
+
+
+ if (this._popupContent) {
+ this.invoke('unbindPopup');
+ }
+
+ return this.fire('layerremove', {layer: layer});
+ },
+
+ bindPopup: function (content) {
+ this._popupContent = content;
+ return this.invoke('bindPopup', content);
+ },
+
+ setStyle: function (style) {
+ return this.invoke('setStyle', style);
+ },
+
+ bringToFront: function () {
+ return this.invoke('bringToFront');
+ },
+
+ bringToBack: function () {
+ return this.invoke('bringToBack');
+ },
+
+ getBounds: function () {
+ var bounds = new L.LatLngBounds();
+
+ this.eachLayer(function (layer) {
+ bounds.extend(layer instanceof L.Marker ? layer.getLatLng() : layer.getBounds());
+ });
+
+ return bounds;
+ },
+
+ _propagateEvent: function (e) {
+ e.layer = e.target;
+ e.target = this;
+
+ this.fire(e.type, e);
+ }
+});
+
+L.featureGroup = function (layers) {
+ return new L.FeatureGroup(layers);
+};
+
+
+/*
+ * L.Path is a base class for rendering vector paths on a map. Inherited by Polyline, Circle, etc.
+ */
+
+L.Path = L.Class.extend({
+ includes: [L.Mixin.Events],
+
+ statics: {
+ // how much to extend the clip area around the map view
+ // (relative to its size, e.g. 0.5 is half the screen in each direction)
+ // set it so that SVG element doesn't exceed 1280px (vectors flicker on dragend if it is)
+ CLIP_PADDING: L.Browser.mobile ?
+ Math.max(0, Math.min(0.5,
+ (1280 / Math.max(window.innerWidth, window.innerHeight) - 1) / 2)) : 0.5
+ },
+
+ options: {
+ stroke: true,
+ color: '#0033ff',
+ dashArray: null,
+ weight: 5,
+ opacity: 0.5,
+
+ fill: false,
+ fillColor: null, //same as color by default
+ fillOpacity: 0.2,
+
+ clickable: true
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+ },
+
+ onAdd: function (map) {
+ this._map = map;
+
+ if (!this._container) {
+ this._initElements();
+ this._initEvents();
+ }
+
+ this.projectLatlngs();
+ this._updatePath();
+
+ if (this._container) {
+ this._map._pathRoot.appendChild(this._container);
+ }
+
+ map.on({
+ 'viewreset': this.projectLatlngs,
+ 'moveend': this._updatePath
+ }, this);
+ },
+
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ onRemove: function (map) {
+ map._pathRoot.removeChild(this._container);
+
+ this._map = null;
+
+ if (L.Browser.vml) {
+ this._container = null;
+ this._stroke = null;
+ this._fill = null;
+ }
+
+ this.fire('remove');
+
+ map.off({
+ 'viewreset': this.projectLatlngs,
+ 'moveend': this._updatePath
+ }, this);
+ },
+
+ projectLatlngs: function () {
+ // do all projection stuff here
+ },
+
+ setStyle: function (style) {
+ L.setOptions(this, style);
+
+ if (this._container) {
+ this._updateStyle();
+ }
+
+ return this;
+ },
+
+ redraw: function () {
+ if (this._map) {
+ this.projectLatlngs();
+ this._updatePath();
+ }
+ return this;
+ }
+});
+
+L.Map.include({
+ _updatePathViewport: function () {
+ var p = L.Path.CLIP_PADDING,
+ size = this.getSize(),
+ panePos = L.DomUtil.getPosition(this._mapPane),
+ min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)._round()),
+ max = min.add(size.multiplyBy(1 + p * 2)._round());
+
+ this._pathViewport = new L.Bounds(min, max);
+ }
+});
+
+
+L.Path.SVG_NS = 'http://www.w3.org/2000/svg';
+
+L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect);
+
+L.Path = L.Path.extend({
+ statics: {
+ SVG: L.Browser.svg
+ },
+
+ bringToFront: function () {
+ var root = this._map._pathRoot,
+ path = this._container;
+
+ if (path && root.lastChild !== path) {
+ root.appendChild(path);
+ }
+ return this;
+ },
+
+ bringToBack: function () {
+ var root = this._map._pathRoot,
+ path = this._container,
+ first = root.firstChild;
+
+ if (path && first !== path) {
+ root.insertBefore(path, first);
+ }
+ return this;
+ },
+
+ getPathString: function () {
+ // form path string here
+ },
+
+ _createElement: function (name) {
+ return document.createElementNS(L.Path.SVG_NS, name);
+ },
+
+ _initElements: function () {
+ this._map._initPathRoot();
+ this._initPath();
+ this._initStyle();
+ },
+
+ _initPath: function () {
+ this._container = this._createElement('g');
+
+ this._path = this._createElement('path');
+ this._container.appendChild(this._path);
+ },
+
+ _initStyle: function () {
+ if (this.options.stroke) {
+ this._path.setAttribute('stroke-linejoin', 'round');
+ this._path.setAttribute('stroke-linecap', 'round');
+ }
+ if (this.options.fill) {
+ this._path.setAttribute('fill-rule', 'evenodd');
+ }
+ this._updateStyle();
+ },
+
+ _updateStyle: function () {
+ if (this.options.stroke) {
+ this._path.setAttribute('stroke', this.options.color);
+ this._path.setAttribute('stroke-opacity', this.options.opacity);
+ this._path.setAttribute('stroke-width', this.options.weight);
+ if (this.options.dashArray) {
+ this._path.setAttribute('stroke-dasharray', this.options.dashArray);
+ } else {
+ this._path.removeAttribute('stroke-dasharray');
+ }
+ } else {
+ this._path.setAttribute('stroke', 'none');
+ }
+ if (this.options.fill) {
+ this._path.setAttribute('fill', this.options.fillColor || this.options.color);
+ this._path.setAttribute('fill-opacity', this.options.fillOpacity);
+ } else {
+ this._path.setAttribute('fill', 'none');
+ }
+ },
+
+ _updatePath: function () {
+ var str = this.getPathString();
+ if (!str) {
+ // fix webkit empty string parsing bug
+ str = 'M0 0';
+ }
+ this._path.setAttribute('d', str);
+ },
+
+ // TODO remove duplication with L.Map
+ _initEvents: function () {
+ if (this.options.clickable) {
+ if (L.Browser.svg || !L.Browser.vml) {
+ this._path.setAttribute('class', 'leaflet-clickable');
+ }
+
+ L.DomEvent.on(this._container, 'click', this._onMouseClick, this);
+
+ var events = ['dblclick', 'mousedown', 'mouseover',
+ 'mouseout', 'mousemove', 'contextmenu'];
+ for (var i = 0; i < events.length; i++) {
+ L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);
+ }
+ }
+ },
+
+ _onMouseClick: function (e) {
+ if (this._map.dragging && this._map.dragging.moved()) { return; }
+
+ this._fireMouseEvent(e);
+ },
+
+ _fireMouseEvent: function (e) {
+ if (!this.hasEventListeners(e.type)) { return; }
+
+ var map = this._map,
+ containerPoint = map.mouseEventToContainerPoint(e),
+ layerPoint = map.containerPointToLayerPoint(containerPoint),
+ latlng = map.layerPointToLatLng(layerPoint);
+
+ this.fire(e.type, {
+ latlng: latlng,
+ layerPoint: layerPoint,
+ containerPoint: containerPoint,
+ originalEvent: e
+ });
+
+ if (e.type === 'contextmenu') {
+ L.DomEvent.preventDefault(e);
+ }
+ if (e.type !== 'mousemove') {
+ L.DomEvent.stopPropagation(e);
+ }
+ }
+});
+
+L.Map.include({
+ _initPathRoot: function () {
+ if (!this._pathRoot) {
+ this._pathRoot = L.Path.prototype._createElement('svg');
+ this._panes.overlayPane.appendChild(this._pathRoot);
+
+ if (this.options.zoomAnimation && L.Browser.any3d) {
+ this._pathRoot.setAttribute('class', ' leaflet-zoom-animated');
+
+ this.on({
+ 'zoomanim': this._animatePathZoom,
+ 'zoomend': this._endPathZoom
+ });
+ } else {
+ this._pathRoot.setAttribute('class', ' leaflet-zoom-hide');
+ }
+
+ this.on('moveend', this._updateSvgViewport);
+ this._updateSvgViewport();
+ }
+ },
+
+ _animatePathZoom: function (opt) {
+ var scale = this.getZoomScale(opt.zoom),
+ offset = this._getCenterOffset(opt.center),
+ translate = offset.multiplyBy(-scale)._add(this._pathViewport.min);
+
+ this._pathRoot.style[L.DomUtil.TRANSFORM] =
+ L.DomUtil.getTranslateString(translate) + ' scale(' + scale + ') ';
+
+ this._pathZooming = true;
+ },
+
+ _endPathZoom: function () {
+ this._pathZooming = false;
+ },
+
+ _updateSvgViewport: function () {
+
+ if (this._pathZooming) {
+ // Do not update SVGs while a zoom animation is going on otherwise the animation will break.
+ // When the zoom animation ends we will be updated again anyway
+ // This fixes the case where you do a momentum move and zoom while the move is still ongoing.
+ return;
+ }
+
+ this._updatePathViewport();
+
+ var vp = this._pathViewport,
+ min = vp.min,
+ max = vp.max,
+ width = max.x - min.x,
+ height = max.y - min.y,
+ root = this._pathRoot,
+ pane = this._panes.overlayPane;
+
+ // Hack to make flicker on drag end on mobile webkit less irritating
+ if (L.Browser.mobileWebkit) {
+ pane.removeChild(root);
+ }
+
+ L.DomUtil.setPosition(root, min);
+ root.setAttribute('width', width);
+ root.setAttribute('height', height);
+ root.setAttribute('viewBox', [min.x, min.y, width, height].join(' '));
+
+ if (L.Browser.mobileWebkit) {
+ pane.appendChild(root);
+ }
+ }
+});
+
+
+/*
+ * Popup extension to L.Path (polylines, polygons, circles), adding bindPopup method.
+ */
+
+L.Path.include({
+
+ bindPopup: function (content, options) {
+
+ if (!this._popup || options) {
+ this._popup = new L.Popup(options, this);
+ }
+
+ this._popup.setContent(content);
+
+ if (!this._popupHandlersAdded) {
+ this
+ .on('click', this._openPopup, this)
+ .on('remove', this.closePopup, this);
+
+ this._popupHandlersAdded = true;
+ }
+
+ return this;
+ },
+
+ unbindPopup: function () {
+ if (this._popup) {
+ this._popup = null;
+ this
+ .off('click', this.openPopup)
+ .off('remove', this.closePopup);
+
+ this._popupHandlersAdded = false;
+ }
+ return this;
+ },
+
+ openPopup: function (latlng) {
+
+ if (this._popup) {
+ // open the popup from one of the path's points if not specified
+ latlng = latlng || this._latlng ||
+ this._latlngs[Math.floor(this._latlngs.length / 2)];
+
+ this._openPopup({latlng: latlng});
+ }
+
+ return this;
+ },
+
+ closePopup: function () {
+ if (this._popup) {
+ this._popup._close();
+ }
+ return this;
+ },
+
+ _openPopup: function (e) {
+ this._popup.setLatLng(e.latlng);
+ this._map.openPopup(this._popup);
+ }
+});
+
+
+/*
+ * Vector rendering for IE6-8 through VML.
+ * Thanks to Dmitry Baranovsky and his Raphael library for inspiration!
+ */
+
+L.Browser.vml = !L.Browser.svg && (function () {
+ try {
+ var div = document.createElement('div');
+ div.innerHTML = '<v:shape adj="1"/>';
+
+ var shape = div.firstChild;
+ shape.style.behavior = 'url(#default#VML)';
+
+ return shape && (typeof shape.adj === 'object');
+
+ } catch (e) {
+ return false;
+ }
+}());
+
+L.Path = L.Browser.svg || !L.Browser.vml ? L.Path : L.Path.extend({
+ statics: {
+ VML: true,
+ CLIP_PADDING: 0.02
+ },
+
+ _createElement: (function () {
+ try {
+ document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');
+ return function (name) {
+ return document.createElement('<lvml:' + name + ' class="lvml">');
+ };
+ } catch (e) {
+ return function (name) {
+ return document.createElement(
+ '<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');
+ };
+ }
+ }()),
+
+ _initPath: function () {
+ var container = this._container = this._createElement('shape');
+ L.DomUtil.addClass(container, 'leaflet-vml-shape');
+ if (this.options.clickable) {
+ L.DomUtil.addClass(container, 'leaflet-clickable');
+ }
+ container.coordsize = '1 1';
+
+ this._path = this._createElement('path');
+ container.appendChild(this._path);
+
+ this._map._pathRoot.appendChild(container);
+ },
+
+ _initStyle: function () {
+ this._updateStyle();
+ },
+
+ _updateStyle: function () {
+ var stroke = this._stroke,
+ fill = this._fill,
+ options = this.options,
+ container = this._container;
+
+ container.stroked = options.stroke;
+ container.filled = options.fill;
+
+ if (options.stroke) {
+ if (!stroke) {
+ stroke = this._stroke = this._createElement('stroke');
+ stroke.endcap = 'round';
+ container.appendChild(stroke);
+ }
+ stroke.weight = options.weight + 'px';
+ stroke.color = options.color;
+ stroke.opacity = options.opacity;
+ if (options.dashArray) {
+ stroke.dashStyle = options.dashArray.replace(/ *, */g, ' ');
+ } else {
+ stroke.dashStyle = '';
+ }
+ } else if (stroke) {
+ container.removeChild(stroke);
+ this._stroke = null;
+ }
+
+ if (options.fill) {
+ if (!fill) {
+ fill = this._fill = this._createElement('fill');
+ container.appendChild(fill);
+ }
+ fill.color = options.fillColor || options.color;
+ fill.opacity = options.fillOpacity;
+ } else if (fill) {
+ container.removeChild(fill);
+ this._fill = null;
+ }
+ },
+
+ _updatePath: function () {
+ var style = this._container.style;
+
+ style.display = 'none';
+ this._path.v = this.getPathString() + ' '; // the space fixes IE empty path string bug
+ style.display = '';
+ }
+});
+
+L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : {
+ _initPathRoot: function () {
+ if (this._pathRoot) { return; }
+
+ var root = this._pathRoot = document.createElement('div');
+ root.className = 'leaflet-vml-container';
+ this._panes.overlayPane.appendChild(root);
+
+ this.on('moveend', this._updatePathViewport);
+ this._updatePathViewport();
+ }
+});
+
+
+/*
+ * Vector rendering for all browsers that support canvas.
+ */
+
+L.Browser.canvas = (function () {
+ return !!document.createElement('canvas').getContext;
+}());
+
+L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path : L.Path.extend({
+ statics: {
+ //CLIP_PADDING: 0.02, // not sure if there's a need to set it to a small value
+ CANVAS: true,
+ SVG: false
+ },
+
+ redraw: function () {
+ if (this._map) {
+ this.projectLatlngs();
+ this._requestUpdate();
+ }
+ return this;
+ },
+
+ setStyle: function (style) {
+ L.setOptions(this, style);
+
+ if (this._map) {
+ this._updateStyle();
+ this._requestUpdate();
+ }
+ return this;
+ },
+
+ onRemove: function (map) {
+ map
+ .off('viewreset', this.projectLatlngs, this)
+ .off('moveend', this._updatePath, this);
+
+ this._requestUpdate();
+
+ this._map = null;
+ },
+
+ _requestUpdate: function () {
+ if (this._map && !L.Path._updateRequest) {
+ L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map);
+ }
+ },
+
+ _fireMapMoveEnd: function () {
+ L.Path._updateRequest = null;
+ this.fire('moveend');
+ },
+
+ _initElements: function () {
+ this._map._initPathRoot();
+ this._ctx = this._map._canvasCtx;
+ },
+
+ _updateStyle: function () {
+ var options = this.options;
+
+ if (options.stroke) {
+ this._ctx.lineWidth = options.weight;
+ this._ctx.strokeStyle = options.color;
+ }
+ if (options.fill) {
+ this._ctx.fillStyle = options.fillColor || options.color;
+ }
+ },
+
+ _drawPath: function () {
+ var i, j, len, len2, point, drawMethod;
+
+ this._ctx.beginPath();
+
+ for (i = 0, len = this._parts.length; i < len; i++) {
+ for (j = 0, len2 = this._parts[i].length; j < len2; j++) {
+ point = this._parts[i][j];
+ drawMethod = (j === 0 ? 'move' : 'line') + 'To';
+
+ this._ctx[drawMethod](point.x, point.y);
+ }
+ // TODO refactor ugly hack
+ if (this instanceof L.Polygon) {
+ this._ctx.closePath();
+ }
+ }
+ },
+
+ _checkIfEmpty: function () {
+ return !this._parts.length;
+ },
+
+ _updatePath: function () {
+ if (this._checkIfEmpty()) { return; }
+
+ var ctx = this._ctx,
+ options = this.options;
+
+ this._drawPath();
+ ctx.save();
+ this._updateStyle();
+
+ if (options.fill) {
+ if (options.fillOpacity < 1) {
+ ctx.globalAlpha = options.fillOpacity;
+ }
+ ctx.fill();
+ }
+
+ if (options.stroke) {
+ if (options.opacity < 1) {
+ ctx.globalAlpha = options.opacity;
+ }
+ ctx.stroke();
+ }
+
+ ctx.restore();
+
+ // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature
+ },
+
+ _initEvents: function () {
+ if (this.options.clickable) {
+ // TODO hand cursor
+ // TODO mouseover, mouseout, dblclick
+ this._map.on('click', this._onClick, this);
+ }
+ },
+
+ _onClick: function (e) {
+ if (this._containsPoint(e.layerPoint)) {
+ this.fire('click', e);
+ }
+ }
+});
+
+L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {} : {
+ _initPathRoot: function () {
+ var root = this._pathRoot,
+ ctx;
+
+ if (!root) {
+ root = this._pathRoot = document.createElement("canvas");
+ root.style.position = 'absolute';
+ ctx = this._canvasCtx = root.getContext('2d');
+
+ ctx.lineCap = "round";
+ ctx.lineJoin = "round";
+
+ this._panes.overlayPane.appendChild(root);
+
+ if (this.options.zoomAnimation) {
+ this._pathRoot.className = 'leaflet-zoom-animated';
+ this.on('zoomanim', this._animatePathZoom);
+ this.on('zoomend', this._endPathZoom);
+ }
+ this.on('moveend', this._updateCanvasViewport);
+ this._updateCanvasViewport();
+ }
+ },
+
+ _updateCanvasViewport: function () {
+ // don't redraw while zooming. See _updateSvgViewport for more details
+ if (this._pathZooming) { return; }
+ this._updatePathViewport();
+
+ var vp = this._pathViewport,
+ min = vp.min,
+ size = vp.max.subtract(min),
+ root = this._pathRoot;
+
+ //TODO check if this works properly on mobile webkit
+ L.DomUtil.setPosition(root, min);
+ root.width = size.x;
+ root.height = size.y;
+ root.getContext('2d').translate(-min.x, -min.y);
+ }
+});
+
+
+/*
+ * L.LineUtil contains different utility functions for line segments
+ * and polylines (clipping, simplification, distances, etc.)
+ */
+
+L.LineUtil = {
+
+ // Simplify polyline with vertex reduction and Douglas-Peucker simplification.
+ // Improves rendering performance dramatically by lessening the number of points to draw.
+
+ simplify: function (/*Point[]*/ points, /*Number*/ tolerance) {
+ if (!tolerance || !points.length) {
+ return points.slice();
+ }
+
+ var sqTolerance = tolerance * tolerance;
+
+ // stage 1: vertex reduction
+ points = this._reducePoints(points, sqTolerance);
+
+ // stage 2: Douglas-Peucker simplification
+ points = this._simplifyDP(points, sqTolerance);
+
+ return points;
+ },
+
+ // distance from a point to a segment between two points
+ pointToSegmentDistance: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
+ return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true));
+ },
+
+ closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
+ return this._sqClosestPointOnSegment(p, p1, p2);
+ },
+
+ // Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm
+ _simplifyDP: function (points, sqTolerance) {
+
+ var len = points.length,
+ ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,
+ markers = new ArrayConstructor(len);
+
+ markers[0] = markers[len - 1] = 1;
+
+ this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1);
+
+ var i,
+ newPoints = [];
+
+ for (i = 0; i < len; i++) {
+ if (markers[i]) {
+ newPoints.push(points[i]);
+ }
+ }
+
+ return newPoints;
+ },
+
+ _simplifyDPStep: function (points, markers, sqTolerance, first, last) {
+
+ var maxSqDist = 0,
+ index, i, sqDist;
+
+ for (i = first + 1; i <= last - 1; i++) {
+ sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);
+
+ if (sqDist > maxSqDist) {
+ index = i;
+ maxSqDist = sqDist;
+ }
+ }
+
+ if (maxSqDist > sqTolerance) {
+ markers[index] = 1;
+
+ this._simplifyDPStep(points, markers, sqTolerance, first, index);
+ this._simplifyDPStep(points, markers, sqTolerance, index, last);
+ }
+ },
+
+ // reduce points that are too close to each other to a single point
+ _reducePoints: function (points, sqTolerance) {
+ var reducedPoints = [points[0]];
+
+ for (var i = 1, prev = 0, len = points.length; i < len; i++) {
+ if (this._sqDist(points[i], points[prev]) > sqTolerance) {
+ reducedPoints.push(points[i]);
+ prev = i;
+ }
+ }
+ if (prev < len - 1) {
+ reducedPoints.push(points[len - 1]);
+ }
+ return reducedPoints;
+ },
+
+ /*jshint bitwise:false */ // temporarily allow bitwise oprations
+
+ // Cohen-Sutherland line clipping algorithm.
+ // Used to avoid rendering parts of a polyline that are not currently visible.
+
+ clipSegment: function (a, b, bounds, useLastCode) {
+ var min = bounds.min,
+ max = bounds.max,
+
+ codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
+ codeB = this._getBitCode(b, bounds),
+
+ codeOut, p, newCode;
+
+ // save 2nd code to avoid calculating it on the next segment
+ this._lastCode = codeB;
+
+ while (true) {
+ // if a,b is inside the clip window (trivial accept)
+ if (!(codeA | codeB)) {
+ return [a, b];
+ // if a,b is outside the clip window (trivial reject)
+ } else if (codeA & codeB) {
+ return false;
+ // other cases
+ } else {
+ codeOut = codeA || codeB,
+ p = this._getEdgeIntersection(a, b, codeOut, bounds),
+ newCode = this._getBitCode(p, bounds);
+
+ if (codeOut === codeA) {
+ a = p;
+ codeA = newCode;
+ } else {
+ b = p;
+ codeB = newCode;
+ }
+ }
+ }
+ },
+
+ _getEdgeIntersection: function (a, b, code, bounds) {
+ var dx = b.x - a.x,
+ dy = b.y - a.y,
+ min = bounds.min,
+ max = bounds.max;
+
+ if (code & 8) { // top
+ return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y);
+ } else if (code & 4) { // bottom
+ return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y);
+ } else if (code & 2) { // right
+ return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx);
+ } else if (code & 1) { // left
+ return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx);
+ }
+ },
+
+ _getBitCode: function (/*Point*/ p, bounds) {
+ var code = 0;
+
+ if (p.x < bounds.min.x) { // left
+ code |= 1;
+ } else if (p.x > bounds.max.x) { // right
+ code |= 2;
+ }
+ if (p.y < bounds.min.y) { // bottom
+ code |= 4;
+ } else if (p.y > bounds.max.y) { // top
+ code |= 8;
+ }
+
+ return code;
+ },
+
+ /*jshint bitwise:true */
+
+ // square distance (to avoid unnecessary Math.sqrt calls)
+ _sqDist: function (p1, p2) {
+ var dx = p2.x - p1.x,
+ dy = p2.y - p1.y;
+ return dx * dx + dy * dy;
+ },
+
+ // return closest point on segment or distance to that point
+ _sqClosestPointOnSegment: function (p, p1, p2, sqDist) {
+ var x = p1.x,
+ y = p1.y,
+ dx = p2.x - x,
+ dy = p2.y - y,
+ dot = dx * dx + dy * dy,
+ t;
+
+ if (dot > 0) {
+ t = ((p.x - x) * dx + (p.y - y) * dy) / dot;
+
+ if (t > 1) {
+ x = p2.x;
+ y = p2.y;
+ } else if (t > 0) {
+ x += dx * t;
+ y += dy * t;
+ }
+ }
+
+ dx = p.x - x;
+ dy = p.y - y;
+
+ return sqDist ? dx * dx + dy * dy : new L.Point(x, y);
+ }
+};
+
+
+L.Polyline = L.Path.extend({
+ initialize: function (latlngs, options) {
+ L.Path.prototype.initialize.call(this, options);
+
+ this._latlngs = this._convertLatLngs(latlngs);
+
+ // TODO refactor: move to Polyline.Edit.js
+ if (L.Handler.PolyEdit) {
+ this.editing = new L.Handler.PolyEdit(this);
+
+ if (this.options.editable) {
+ this.editing.enable();
+ }
+ }
+ },
+
+ options: {
+ // how much to simplify the polyline on each zoom level
+ // more = better performance and smoother look, less = more accurate
+ smoothFactor: 1.0,
+ noClip: false
+ },
+
+ projectLatlngs: function () {
+ this._originalPoints = [];
+
+ for (var i = 0, len = this._latlngs.length; i < len; i++) {
+ this._originalPoints[i] = this._map.latLngToLayerPoint(this._latlngs[i]);
+ }
+ },
+
+ getPathString: function () {
+ for (var i = 0, len = this._parts.length, str = ''; i < len; i++) {
+ str += this._getPathPartStr(this._parts[i]);
+ }
+ return str;
+ },
+
+ getLatLngs: function () {
+ return this._latlngs;
+ },
+
+ setLatLngs: function (latlngs) {
+ this._latlngs = this._convertLatLngs(latlngs);
+ return this.redraw();
+ },
+
+ addLatLng: function (latlng) {
+ this._latlngs.push(L.latLng(latlng));
+ return this.redraw();
+ },
+
+ spliceLatLngs: function (index, howMany) {
+ var removed = [].splice.apply(this._latlngs, arguments);
+ this._convertLatLngs(this._latlngs);
+ this.redraw();
+ return removed;
+ },
+
+ closestLayerPoint: function (p) {
+ var minDistance = Infinity, parts = this._parts, p1, p2, minPoint = null;
+
+ for (var j = 0, jLen = parts.length; j < jLen; j++) {
+ var points = parts[j];
+ for (var i = 1, len = points.length; i < len; i++) {
+ p1 = points[i - 1];
+ p2 = points[i];
+ var sqDist = L.LineUtil._sqClosestPointOnSegment(p, p1, p2, true);
+ if (sqDist < minDistance) {
+ minDistance = sqDist;
+ minPoint = L.LineUtil._sqClosestPointOnSegment(p, p1, p2);
+ }
+ }
+ }
+ if (minPoint) {
+ minPoint.distance = Math.sqrt(minDistance);
+ }
+ return minPoint;
+ },
+
+ getBounds: function () {
+ var bounds = new L.LatLngBounds(),
+ latLngs = this.getLatLngs(),
+ i, len;
+
+ for (i = 0, len = latLngs.length; i < len; i++) {
+ bounds.extend(latLngs[i]);
+ }
+
+ return bounds;
+ },
+
+ // TODO refactor: move to Polyline.Edit.js
+ onAdd: function (map) {
+ L.Path.prototype.onAdd.call(this, map);
+
+ if (this.editing && this.editing.enabled()) {
+ this.editing.addHooks();
+ }
+ },
+
+ onRemove: function (map) {
+ if (this.editing && this.editing.enabled()) {
+ this.editing.removeHooks();
+ }
+
+ L.Path.prototype.onRemove.call(this, map);
+ },
+
+ _convertLatLngs: function (latlngs) {
+ var i, len;
+ for (i = 0, len = latlngs.length; i < len; i++) {
+ if (latlngs[i] instanceof Array && typeof latlngs[i][0] !== 'number') {
+ return;
+ }
+ latlngs[i] = L.latLng(latlngs[i]);
+ }
+ return latlngs;
+ },
+
+ _initEvents: function () {
+ L.Path.prototype._initEvents.call(this);
+ },
+
+ _getPathPartStr: function (points) {
+ var round = L.Path.VML;
+
+ for (var j = 0, len2 = points.length, str = '', p; j < len2; j++) {
+ p = points[j];
+ if (round) {
+ p._round();
+ }
+ str += (j ? 'L' : 'M') + p.x + ' ' + p.y;
+ }
+ return str;
+ },
+
+ _clipPoints: function () {
+ var points = this._originalPoints,
+ len = points.length,
+ i, k, segment;
+
+ if (this.options.noClip) {
+ this._parts = [points];
+ return;
+ }
+
+ this._parts = [];
+
+ var parts = this._parts,
+ vp = this._map._pathViewport,
+ lu = L.LineUtil;
+
+ for (i = 0, k = 0; i < len - 1; i++) {
+ segment = lu.clipSegment(points[i], points[i + 1], vp, i);
+ if (!segment) {
+ continue;
+ }
+
+ parts[k] = parts[k] || [];
+ parts[k].push(segment[0]);
+
+ // if segment goes out of screen, or it's the last one, it's the end of the line part
+ if ((segment[1] !== points[i + 1]) || (i === len - 2)) {
+ parts[k].push(segment[1]);
+ k++;
+ }
+ }
+ },
+
+ // simplify each clipped part of the polyline
+ _simplifyPoints: function () {
+ var parts = this._parts,
+ lu = L.LineUtil;
+
+ for (var i = 0, len = parts.length; i < len; i++) {
+ parts[i] = lu.simplify(parts[i], this.options.smoothFactor);
+ }
+ },
+
+ _updatePath: function () {
+ if (!this._map) { return; }
+
+ this._clipPoints();
+ this._simplifyPoints();
+
+ L.Path.prototype._updatePath.call(this);
+ }
+});
+
+L.polyline = function (latlngs, options) {
+ return new L.Polyline(latlngs, options);
+};
+
+
+/*
+ * L.PolyUtil contains utilify functions for polygons (clipping, etc.).
+ */
+
+/*jshint bitwise:false */ // allow bitwise oprations here
+
+L.PolyUtil = {};
+
+/*
+ * Sutherland-Hodgeman polygon clipping algorithm.
+ * Used to avoid rendering parts of a polygon that are not currently visible.
+ */
+L.PolyUtil.clipPolygon = function (points, bounds) {
+ var min = bounds.min,
+ max = bounds.max,
+ clippedPoints,
+ edges = [1, 4, 2, 8],
+ i, j, k,
+ a, b,
+ len, edge, p,
+ lu = L.LineUtil;
+
+ for (i = 0, len = points.length; i < len; i++) {
+ points[i]._code = lu._getBitCode(points[i], bounds);
+ }
+
+ // for each edge (left, bottom, right, top)
+ for (k = 0; k < 4; k++) {
+ edge = edges[k];
+ clippedPoints = [];
+
+ for (i = 0, len = points.length, j = len - 1; i < len; j = i++) {
+ a = points[i];
+ b = points[j];
+
+ // if a is inside the clip window
+ if (!(a._code & edge)) {
+ // if b is outside the clip window (a->b goes out of screen)
+ if (b._code & edge) {
+ p = lu._getEdgeIntersection(b, a, edge, bounds);
+ p._code = lu._getBitCode(p, bounds);
+ clippedPoints.push(p);
+ }
+ clippedPoints.push(a);
+
+ // else if b is inside the clip window (a->b enters the screen)
+ } else if (!(b._code & edge)) {
+ p = lu._getEdgeIntersection(b, a, edge, bounds);
+ p._code = lu._getBitCode(p, bounds);
+ clippedPoints.push(p);
+ }
+ }
+ points = clippedPoints;
+ }
+
+ return points;
+};
+
+/*jshint bitwise:true */
+
+
+/*
+ * L.Polygon is used to display polygons on a map.
+ */
+
+L.Polygon = L.Polyline.extend({
+ options: {
+ fill: true
+ },
+
+ initialize: function (latlngs, options) {
+ L.Polyline.prototype.initialize.call(this, latlngs, options);
+
+ if (latlngs && (latlngs[0] instanceof Array) && (typeof latlngs[0][0] !== 'number')) {
+ this._latlngs = this._convertLatLngs(latlngs[0]);
+ this._holes = latlngs.slice(1);
+ }
+ },
+
+ projectLatlngs: function () {
+ L.Polyline.prototype.projectLatlngs.call(this);
+
+ // project polygon holes points
+ // TODO move this logic to Polyline to get rid of duplication
+ this._holePoints = [];
+
+ if (!this._holes) { return; }
+
+ var i, j, len, len2, hole;
+
+ for (i = 0, len = this._holes.length; i < len; i++) {
+ this._holePoints[i] = [];
+
+ for (j = 0, len2 = this._holes[i].length; j < len2; j++) {
+ this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]);
+ }
+ }
+ },
+
+ _clipPoints: function () {
+ var points = this._originalPoints,
+ newParts = [];
+
+ this._parts = [points].concat(this._holePoints);
+
+ if (this.options.noClip) { return; }
+
+ for (var i = 0, len = this._parts.length; i < len; i++) {
+ var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport);
+ if (clipped.length) {
+ newParts.push(clipped);
+ }
+ }
+
+ this._parts = newParts;
+ },
+
+ _getPathPartStr: function (points) {
+ var str = L.Polyline.prototype._getPathPartStr.call(this, points);
+ return str + (L.Browser.svg ? 'z' : 'x');
+ }
+});
+
+L.polygon = function (latlngs, options) {
+ return new L.Polygon(latlngs, options);
+};
+
+
+/*
+ * Contains L.MultiPolyline and L.MultiPolygon layers.
+ */
+
+(function () {
+ function createMulti(Klass) {
+
+ return L.FeatureGroup.extend({
+
+ initialize: function (latlngs, options) {
+ this._layers = {};
+ this._options = options;
+ this.setLatLngs(latlngs);
+ },
+
+ setLatLngs: function (latlngs) {
+ var i = 0,
+ len = latlngs.length;
+
+ this.eachLayer(function (layer) {
+ if (i < len) {
+ layer.setLatLngs(latlngs[i++]);
+ } else {
+ this.removeLayer(layer);
+ }
+ }, this);
+
+ while (i < len) {
+ this.addLayer(new Klass(latlngs[i++], this._options));
+ }
+
+ return this;
+ }
+ });
+ }
+
+ L.MultiPolyline = createMulti(L.Polyline);
+ L.MultiPolygon = createMulti(L.Polygon);
+
+ L.multiPolyline = function (latlngs, options) {
+ return new L.MultiPolyline(latlngs, options);
+ };
+
+ L.multiPolygon = function (latlngs, options) {
+ return new L.MultiPolygon(latlngs, options);
+ };
+}());
+
+
+/*
+ * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds
+ */
+
+L.Rectangle = L.Polygon.extend({
+ initialize: function (latLngBounds, options) {
+ L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);
+ },
+
+ setBounds: function (latLngBounds) {
+ this.setLatLngs(this._boundsToLatLngs(latLngBounds));
+ },
+
+ _boundsToLatLngs: function (latLngBounds) {
+ latLngBounds = L.latLngBounds(latLngBounds);
+ return [
+ latLngBounds.getSouthWest(),
+ latLngBounds.getNorthWest(),
+ latLngBounds.getNorthEast(),
+ latLngBounds.getSouthEast(),
+ latLngBounds.getSouthWest()
+ ];
+ }
+});
+
+L.rectangle = function (latLngBounds, options) {
+ return new L.Rectangle(latLngBounds, options);
+};
+
+
+/*
+ * L.Circle is a circle overlay (with a certain radius in meters).
+ */
+
+L.Circle = L.Path.extend({
+ initialize: function (latlng, radius, options) {
+ L.Path.prototype.initialize.call(this, options);
+
+ this._latlng = L.latLng(latlng);
+ this._mRadius = radius;
+ },
+
+ options: {
+ fill: true
+ },
+
+ setLatLng: function (latlng) {
+ this._latlng = L.latLng(latlng);
+ return this.redraw();
+ },
+
+ setRadius: function (radius) {
+ this._mRadius = radius;
+ return this.redraw();
+ },
+
+ projectLatlngs: function () {
+ var lngRadius = this._getLngRadius(),
+ latlng2 = new L.LatLng(this._latlng.lat, this._latlng.lng - lngRadius, true),
+ point2 = this._map.latLngToLayerPoint(latlng2);
+
+ this._point = this._map.latLngToLayerPoint(this._latlng);
+ this._radius = Math.max(Math.round(this._point.x - point2.x), 1);
+ },
+
+ getBounds: function () {
+ var lngRadius = this._getLngRadius(),
+ latRadius = (this._mRadius / 40075017) * 360,
+ latlng = this._latlng,
+ sw = new L.LatLng(latlng.lat - latRadius, latlng.lng - lngRadius),
+ ne = new L.LatLng(latlng.lat + latRadius, latlng.lng + lngRadius);
+
+ return new L.LatLngBounds(sw, ne);
+ },
+
+ getLatLng: function () {
+ return this._latlng;
+ },
+
+ getPathString: function () {
+ var p = this._point,
+ r = this._radius;
+
+ if (this._checkIfEmpty()) {
+ return '';
+ }
+
+ if (L.Browser.svg) {
+ return "M" + p.x + "," + (p.y - r) +
+ "A" + r + "," + r + ",0,1,1," +
+ (p.x - 0.1) + "," + (p.y - r) + " z";
+ } else {
+ p._round();
+ r = Math.round(r);
+ return "AL " + p.x + "," + p.y + " " + r + "," + r + " 0," + (65535 * 360);
+ }
+ },
+
+ getRadius: function () {
+ return this._mRadius;
+ },
+
+ // TODO Earth hardcoded, move into projection code!
+
+ _getLatRadius: function () {
+ return (this._mRadius / 40075017) * 360;
+ },
+
+ _getLngRadius: function () {
+ return this._getLatRadius() / Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat);
+ },
+
+ _checkIfEmpty: function () {
+ if (!this._map) {
+ return false;
+ }
+ var vp = this._map._pathViewport,
+ r = this._radius,
+ p = this._point;
+
+ return p.x - r > vp.max.x || p.y - r > vp.max.y ||
+ p.x + r < vp.min.x || p.y + r < vp.min.y;
+ }
+});
+
+L.circle = function (latlng, radius, options) {
+ return new L.Circle(latlng, radius, options);
+};
+
+
+/*
+ * L.CircleMarker is a circle overlay with a permanent pixel radius.
+ */
+
+L.CircleMarker = L.Circle.extend({
+ options: {
+ radius: 10,
+ weight: 2
+ },
+
+ initialize: function (latlng, options) {
+ L.Circle.prototype.initialize.call(this, latlng, null, options);
+ this._radius = this.options.radius;
+ },
+
+ projectLatlngs: function () {
+ this._point = this._map.latLngToLayerPoint(this._latlng);
+ },
+
+ setRadius: function (radius) {
+ this._radius = radius;
+ return this.redraw();
+ }
+});
+
+L.circleMarker = function (latlng, options) {
+ return new L.CircleMarker(latlng, options);
+};
+
+
+
+L.Polyline.include(!L.Path.CANVAS ? {} : {
+ _containsPoint: function (p, closed) {
+ var i, j, k, len, len2, dist, part,
+ w = this.options.weight / 2;
+
+ if (L.Browser.touch) {
+ w += 10; // polyline click tolerance on touch devices
+ }
+
+ for (i = 0, len = this._parts.length; i < len; i++) {
+ part = this._parts[i];
+ for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
+ if (!closed && (j === 0)) {
+ continue;
+ }
+
+ dist = L.LineUtil.pointToSegmentDistance(p, part[k], part[j]);
+
+ if (dist <= w) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+});
+
+
+
+L.Polygon.include(!L.Path.CANVAS ? {} : {
+ _containsPoint: function (p) {
+ var inside = false,
+ part, p1, p2,
+ i, j, k,
+ len, len2;
+
+ // TODO optimization: check if within bounds first
+
+ if (L.Polyline.prototype._containsPoint.call(this, p, true)) {
+ // click on polygon border
+ return true;
+ }
+
+ // ray casting algorithm for detecting if point is in polygon
+
+ for (i = 0, len = this._parts.length; i < len; i++) {
+ part = this._parts[i];
+
+ for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
+ p1 = part[j];
+ p2 = part[k];
+
+ if (((p1.y > p.y) !== (p2.y > p.y)) &&
+ (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) {
+ inside = !inside;
+ }
+ }
+ }
+
+ return inside;
+ }
+});
+
+
+/*
+ * Circle canvas specific drawing parts.
+ */
+
+L.Circle.include(!L.Path.CANVAS ? {} : {
+ _drawPath: function () {
+ var p = this._point;
+ this._ctx.beginPath();
+ this._ctx.arc(p.x, p.y, this._radius, 0, Math.PI * 2, false);
+ },
+
+ _containsPoint: function (p) {
+ var center = this._point,
+ w2 = this.options.stroke ? this.options.weight / 2 : 0;
+
+ return (p.distanceTo(center) <= this._radius + w2);
+ }
+});
+
+
+L.GeoJSON = L.FeatureGroup.extend({
+ initialize: function (geojson, options) {
+ L.setOptions(this, options);
+
+ this._layers = {};
+
+ if (geojson) {
+ this.addData(geojson);
+ }
+ },
+
+ addData: function (geojson) {
+ var features = geojson instanceof Array ? geojson : geojson.features,
+ i, len;
+
+ if (features) {
+ for (i = 0, len = features.length; i < len; i++) {
+ this.addData(features[i]);
+ }
+ return this;
+ }
+
+ var options = this.options;
+
+ if (options.filter && !options.filter(geojson)) { return; }
+
+ var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer);
+ layer.feature = geojson;
+
+ this.resetStyle(layer);
+
+ if (options.onEachFeature) {
+ options.onEachFeature(geojson, layer);
+ }
+
+ return this.addLayer(layer);
+ },
+
+ resetStyle: function (layer) {
+ var style = this.options.style;
+ if (style) {
+ this._setLayerStyle(layer, style);
+ }
+ },
+
+ setStyle: function (style) {
+ this.eachLayer(function (layer) {
+ this._setLayerStyle(layer, style);
+ }, this);
+ },
+
+ _setLayerStyle: function (layer, style) {
+ if (typeof style === 'function') {
+ style = style(layer.feature);
+ }
+ if (layer.setStyle) {
+ layer.setStyle(style);
+ }
+ }
+});
+
+L.extend(L.GeoJSON, {
+ geometryToLayer: function (geojson, pointToLayer) {
+ var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
+ coords = geometry.coordinates,
+ layers = [],
+ latlng, latlngs, i, len, layer;
+
+ switch (geometry.type) {
+ case 'Point':
+ latlng = this.coordsToLatLng(coords);
+ return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
+
+ case 'MultiPoint':
+ for (i = 0, len = coords.length; i < len; i++) {
+ latlng = this.coordsToLatLng(coords[i]);
+ layer = pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
+ layers.push(layer);
+ }
+ return new L.FeatureGroup(layers);
+
+ case 'LineString':
+ latlngs = this.coordsToLatLngs(coords);
+ return new L.Polyline(latlngs);
+
+ case 'Polygon':
+ latlngs = this.coordsToLatLngs(coords, 1);
+ return new L.Polygon(latlngs);
+
+ case 'MultiLineString':
+ latlngs = this.coordsToLatLngs(coords, 1);
+ return new L.MultiPolyline(latlngs);
+
+ case "MultiPolygon":
+ latlngs = this.coordsToLatLngs(coords, 2);
+ return new L.MultiPolygon(latlngs);
+
+ case "GeometryCollection":
+ for (i = 0, len = geometry.geometries.length; i < len; i++) {
+ layer = this.geometryToLayer(geometry.geometries[i], pointToLayer);
+ layers.push(layer);
+ }
+ return new L.FeatureGroup(layers);
+
+ default:
+ throw new Error('Invalid GeoJSON object.');
+ }
+ },
+
+ coordsToLatLng: function (coords, reverse) { // (Array, Boolean) -> LatLng
+ var lat = parseFloat(coords[reverse ? 0 : 1]),
+ lng = parseFloat(coords[reverse ? 1 : 0]);
+
+ return new L.LatLng(lat, lng, true);
+ },
+
+ coordsToLatLngs: function (coords, levelsDeep, reverse) { // (Array, Number, Boolean) -> Array
+ var latlng,
+ latlngs = [],
+ i, len;
+
+ for (i = 0, len = coords.length; i < len; i++) {
+ latlng = levelsDeep ?
+ this.coordsToLatLngs(coords[i], levelsDeep - 1, reverse) :
+ this.coordsToLatLng(coords[i], reverse);
+
+ latlngs.push(latlng);
+ }
+
+ return latlngs;
+ }
+});
+
+L.geoJson = function (geojson, options) {
+ return new L.GeoJSON(geojson, options);
+};
+
+
+/*
+ * L.DomEvent contains functions for working with DOM events.
+ */
+
+L.DomEvent = {
+ /* inpired by John Resig, Dean Edwards and YUI addEvent implementations */
+ addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object])
+
+ var id = L.stamp(fn),
+ key = '_leaflet_' + type + id,
+ handler, originalHandler, newType;
+
+ if (obj[key]) { return this; }
+
+ handler = function (e) {
+ return fn.call(context || obj, e || L.DomEvent._getEvent());
+ };
+
+ if (L.Browser.msTouch && type.indexOf('touch') === 0) {
+ return this.addMsTouchListener(obj, type, handler, id);
+ } else if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
+ return this.addDoubleTapListener(obj, handler, id);
+
+ } else if ('addEventListener' in obj) {
+
+ if (type === 'mousewheel') {
+ obj.addEventListener('DOMMouseScroll', handler, false);
+ obj.addEventListener(type, handler, false);
+
+ } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
+
+ originalHandler = handler;
+ newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout');
+
+ handler = function (e) {
+ if (!L.DomEvent._checkMouse(obj, e)) { return; }
+ return originalHandler(e);
+ };
+
+ obj.addEventListener(newType, handler, false);
+
+ } else {
+ obj.addEventListener(type, handler, false);
+ }
+
+ } else if ('attachEvent' in obj) {
+ obj.attachEvent("on" + type, handler);
+ }
+
+ obj[key] = handler;
+
+ return this;
+ },
+
+ removeListener: function (obj, type, fn) { // (HTMLElement, String, Function)
+
+ var id = L.stamp(fn),
+ key = '_leaflet_' + type + id,
+ handler = obj[key];
+
+ if (!handler) { return; }
+
+ if (L.Browser.msTouch && type.indexOf('touch') === 0) {
+ this.removeMsTouchListener(obj, type, id);
+ } else if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) {
+ this.removeDoubleTapListener(obj, id);
+
+ } else if ('removeEventListener' in obj) {
+
+ if (type === 'mousewheel') {
+ obj.removeEventListener('DOMMouseScroll', handler, false);
+ obj.removeEventListener(type, handler, false);
+
+ } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
+ obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false);
+ } else {
+ obj.removeEventListener(type, handler, false);
+ }
+ } else if ('detachEvent' in obj) {
+ obj.detachEvent("on" + type, handler);
+ }
+
+ obj[key] = null;
+
+ return this;
+ },
+
+ stopPropagation: function (e) {
+
+ if (e.stopPropagation) {
+ e.stopPropagation();
+ } else {
+ e.cancelBubble = true;
+ }
+ return this;
+ },
+
+ disableClickPropagation: function (el) {
+
+ var stop = L.DomEvent.stopPropagation;
+
+ return L.DomEvent
+ .addListener(el, L.Draggable.START, stop)
+ .addListener(el, 'click', stop)
+ .addListener(el, 'dblclick', stop);
+ },
+
+ preventDefault: function (e) {
+
+ if (e.preventDefault) {
+ e.preventDefault();
+ } else {
+ e.returnValue = false;
+ }
+ return this;
+ },
+
+ stop: function (e) {
+ return L.DomEvent.preventDefault(e).stopPropagation(e);
+ },
+
+ getMousePosition: function (e, container) {
+
+ var body = document.body,
+ docEl = document.documentElement,
+ x = e.pageX ? e.pageX : e.clientX + body.scrollLeft + docEl.scrollLeft,
+ y = e.pageY ? e.pageY : e.clientY + body.scrollTop + docEl.scrollTop,
+ pos = new L.Point(x, y);
+
+ return (container ? pos._subtract(L.DomUtil.getViewportOffset(container)) : pos);
+ },
+
+ getWheelDelta: function (e) {
+
+ var delta = 0;
+
+ if (e.wheelDelta) {
+ delta = e.wheelDelta / 120;
+ }
+ if (e.detail) {
+ delta = -e.detail / 3;
+ }
+ return delta;
+ },
+
+ // check if element really left/entered the event target (for mouseenter/mouseleave)
+ _checkMouse: function (el, e) {
+
+ var related = e.relatedTarget;
+
+ if (!related) { return true; }
+
+ try {
+ while (related && (related !== el)) {
+ related = related.parentNode;
+ }
+ } catch (err) {
+ return false;
+ }
+ return (related !== el);
+ },
+
+ /*jshint noarg:false */
+ _getEvent: function () { // evil magic for IE
+
+ var e = window.event;
+ if (!e) {
+ var caller = arguments.callee.caller;
+ while (caller) {
+ e = caller['arguments'][0];
+ if (e && window.Event === e.constructor) {
+ break;
+ }
+ caller = caller.caller;
+ }
+ }
+ return e;
+ }
+ /*jshint noarg:false */
+};
+
+L.DomEvent.on = L.DomEvent.addListener;
+L.DomEvent.off = L.DomEvent.removeListener;
+
+
+/*
+ * L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too.
+ */
+
+L.Draggable = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ statics: {
+ START: L.Browser.touch ? 'touchstart' : 'mousedown',
+ END: L.Browser.touch ? 'touchend' : 'mouseup',
+ MOVE: L.Browser.touch ? 'touchmove' : 'mousemove',
+ TAP_TOLERANCE: 15
+ },
+
+ initialize: function (element, dragStartTarget, longPress) {
+ this._element = element;
+ this._dragStartTarget = dragStartTarget || element;
+ this._longPress = longPress && !L.Browser.msTouch;
+ },
+
+ enable: function () {
+ if (this._enabled) { return; }
+
+ L.DomEvent.on(this._dragStartTarget, L.Draggable.START, this._onDown, this);
+ this._enabled = true;
+ },
+
+ disable: function () {
+ if (!this._enabled) { return; }
+
+ L.DomEvent.off(this._dragStartTarget, L.Draggable.START, this._onDown);
+ this._enabled = false;
+ this._moved = false;
+ },
+
+ _onDown: function (e) {
+ if ((!L.Browser.touch && e.shiftKey) ||
+ ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
+
+ L.DomEvent.preventDefault(e);
+ L.DomEvent.stopPropagation(e);
+
+ if (L.Draggable._disabled) { return; }
+
+ this._simulateClick = true;
+
+ if (e.touches && e.touches.length > 1) {
+ this._simulateClick = false;
+ clearTimeout(this._longPressTimeout);
+ return;
+ }
+
+ var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
+ el = first.target;
+
+ if (L.Browser.touch && el.tagName.toLowerCase() === 'a') {
+ L.DomUtil.addClass(el, 'leaflet-active');
+ }
+
+ this._moved = false;
+ if (this._moving) { return; }
+
+ this._startPoint = new L.Point(first.clientX, first.clientY);
+ this._startPos = this._newPos = L.DomUtil.getPosition(this._element);
+
+ //Touch contextmenu event emulation
+ if (e.touches && e.touches.length === 1 && L.Browser.touch && this._longPress) {
+ this._longPressTimeout = setTimeout(L.bind(function () {
+ var dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
+
+ if (dist < L.Draggable.TAP_TOLERANCE) {
+ this._simulateClick = false;
+ this._onUp();
+ this._simulateEvent('contextmenu', first);
+ }
+ }, this), 1000);
+ }
+
+ L.DomEvent.on(document, L.Draggable.MOVE, this._onMove, this);
+ L.DomEvent.on(document, L.Draggable.END, this._onUp, this);
+ },
+
+ _onMove: function (e) {
+ if (e.touches && e.touches.length > 1) { return; }
+
+ var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
+ newPoint = new L.Point(first.clientX, first.clientY),
+ diffVec = newPoint.subtract(this._startPoint);
+
+ if (!diffVec.x && !diffVec.y) { return; }
+
+ L.DomEvent.preventDefault(e);
+
+ if (!this._moved) {
+ this.fire('dragstart');
+ this._moved = true;
+
+ this._startPos = L.DomUtil.getPosition(this._element).subtract(diffVec);
+
+ if (!L.Browser.touch) {
+ L.DomUtil.disableTextSelection();
+ this._setMovingCursor();
+ }
+ }
+
+ this._newPos = this._startPos.add(diffVec);
+ this._moving = true;
+
+ L.Util.cancelAnimFrame(this._animRequest);
+ this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true, this._dragStartTarget);
+ },
+
+ _updatePosition: function () {
+ this.fire('predrag');
+ L.DomUtil.setPosition(this._element, this._newPos);
+ this.fire('drag');
+ },
+
+ _onUp: function (e) {
+ var simulateClickTouch;
+ clearTimeout(this._longPressTimeout);
+ if (this._simulateClick && e.changedTouches) {
+ var first = e.changedTouches[0],
+ el = first.target,
+ dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
+
+ if (el.tagName.toLowerCase() === 'a') {
+ L.DomUtil.removeClass(el, 'leaflet-active');
+ }
+
+ if (dist < L.Draggable.TAP_TOLERANCE) {
+ simulateClickTouch = first;
+ }
+ }
+
+ if (!L.Browser.touch) {
+ L.DomUtil.enableTextSelection();
+ this._restoreCursor();
+ }
+
+ L.DomEvent.off(document, L.Draggable.MOVE, this._onMove);
+ L.DomEvent.off(document, L.Draggable.END, this._onUp);
+
+ if (this._moved) {
+ // ensure drag is not fired after dragend
+ L.Util.cancelAnimFrame(this._animRequest);
+
+ this.fire('dragend');
+ }
+ this._moving = false;
+
+ if (simulateClickTouch) {
+ this._moved = false;
+ this._simulateEvent('click', simulateClickTouch);
+ }
+ },
+
+ _setMovingCursor: function () {
+ L.DomUtil.addClass(document.body, 'leaflet-dragging');
+ },
+
+ _restoreCursor: function () {
+ L.DomUtil.removeClass(document.body, 'leaflet-dragging');
+ },
+
+ _simulateEvent: function (type, e) {
+ var simulatedEvent = document.createEvent('MouseEvents');
+
+ simulatedEvent.initMouseEvent(
+ type, true, true, window, 1,
+ e.screenX, e.screenY,
+ e.clientX, e.clientY,
+ false, false, false, false, 0, null);
+
+ e.target.dispatchEvent(simulatedEvent);
+ }
+});
+
+
+/*
+ * 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: Infinity, // px/s
+ inertiaThreshold: L.Browser.touch ? 32 : 18, // ms
+ easeLinearity: 0.25,
+
+ longPress: true,
+
+ // TODO refactor, move to CRS
+ worldCopyJump: true
+});
+
+L.Map.Drag = L.Handler.extend({
+ addHooks: function () {
+ if (!this._draggable) {
+ var map = this._map;
+
+ this._draggable = new L.Draggable(map._mapPane, map._container, map.options.longPress);
+
+ this._draggable.on({
+ 'dragstart': this._onDragStart,
+ 'drag': this._onDrag,
+ 'dragend': this._onDragEnd
+ }, this);
+
+ if (map.options.worldCopyJump) {
+ this._draggable.on('predrag', this._onPreDrag, 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];
+
+ 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(options.easeLinearity / duration),
+ speed = speedVector.distanceTo(new L.Point(0, 0)),
+
+ limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
+ limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),
+
+ decelerationDuration = limitedSpeed / (options.inertiaDeceleration * options.easeLinearity),
+ offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();
+
+ L.Util.requestAnimFrame(function () {
+ map.panBy(offset, decelerationDuration, options.easeLinearity);
+ });
+ }
+
+ 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 by L.Map to enable mouse scroll wheel zoom on the map.
+ */
+
+L.Map.mergeOptions({
+ scrollWheelZoom: !L.Browser.touch || L.Browser.msTouch
+});
+
+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.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.extend(L.DomEvent, {
+
+ _touchstart: L.Browser.msTouch ? 'MSPointerDown' : 'touchstart',
+ _touchend: L.Browser.msTouch ? 'MSPointerUp' : 'touchend',
+
+ // inspired by Zepto touch code by Thomas Fuchs
+ addDoubleTapListener: function (obj, handler, id) {
+ var last,
+ doubleTap = false,
+ delay = 250,
+ touch,
+ pre = '_leaflet_',
+ touchstart = this._touchstart,
+ touchend = this._touchend,
+ trackedTouches = [];
+
+ function onTouchStart(e) {
+ var count;
+ if (L.Browser.msTouch) {
+ trackedTouches.push(e.pointerId);
+ count = trackedTouches.length;
+ } else {
+ count = e.touches.length;
+ }
+ if (count > 1) {
+ return;
+ }
+
+ var now = Date.now(),
+ delta = now - (last || now);
+
+ touch = e.touches ? e.touches[0] : e;
+ doubleTap = (delta > 0 && delta <= delay);
+ last = now;
+ }
+ function onTouchEnd(e) {
+ if (L.Browser.msTouch) {
+ var idx = trackedTouches.indexOf(e.pointerId);
+ if (idx === -1) {
+ return;
+ }
+ trackedTouches.splice(idx, 1);
+ }
+
+ if (doubleTap) {
+ if (L.Browser.msTouch) {
+ //Work around .type being readonly with MSPointer* events
+ var newTouch = { },
+ prop;
+ for (var i in touch) {
+ if (true) { //Make JSHint happy, we want to copy all properties
+ prop = touch[i];
+ if (typeof prop === 'function') {
+ newTouch[i] = prop.bind(touch);
+ } else {
+ newTouch[i] = prop;
+ }
+ }
+ }
+ touch = newTouch;
+ }
+ touch.type = 'dblclick';
+ handler(touch);
+ last = null;
+ }
+ }
+ obj[pre + touchstart + id] = onTouchStart;
+ obj[pre + touchend + id] = onTouchEnd;
+
+ //On msTouch we need to listen on the document otherwise a drag starting on the map and moving off screen will not come through to us
+ // so we will lose track of how many touches are ongoing
+ var endElement = L.Browser.msTouch ? document.documentElement : obj;
+
+ obj.addEventListener(touchstart, onTouchStart, false);
+ endElement.addEventListener(touchend, onTouchEnd, false);
+ if (L.Browser.msTouch) {
+ endElement.addEventListener('MSPointerCancel', onTouchEnd, false);
+ }
+ return this;
+ },
+
+ removeDoubleTapListener: function (obj, id) {
+ var pre = '_leaflet_';
+ obj.removeEventListener(this._touchstart, obj[pre + this._touchstart + id], false);
+ (L.Browser.msTouch ? document.documentElement : obj).removeEventListener(this._touchend, obj[pre + this._touchend + id], false);
+ if (L.Browser.msTouch) {
+ document.documentElement.removeEventListener('MSPointerCancel', obj[pre + this._touchend + id], false);
+ }
+ return this;
+ }
+});
+
+
+L.extend(L.DomEvent, {
+
+ _msTouches: [],
+ _msDocumentListener: false,
+
+ // Provides a touch events wrapper for msPointer events.
+ // Based on changes by veproza https://github.com/CloudMade/Leaflet/pull/1019
+
+ addMsTouchListener: function (obj, type, handler, id) {
+
+ switch (type) {
+ case 'touchstart':
+ return this.addMsTouchListenerStart(obj, type, handler, id);
+ case 'touchend':
+ return this.addMsTouchListenerEnd(obj, type, handler, id);
+ case 'touchmove':
+ return this.addMsTouchListenerMove(obj, type, handler, id);
+ default:
+ throw 'Unknown touch event type';
+ }
+ },
+
+ addMsTouchListenerStart: function (obj, type, handler, id) {
+ var pre = '_leaflet_',
+ touches = this._msTouches;
+
+ var cb = function (e) {
+
+ var alreadyInArray = false;
+ for (var i = 0; i < touches.length; i++) {
+ if (touches[i].pointerId === e.pointerId) {
+ alreadyInArray = true;
+ break;
+ }
+ }
+ if (!alreadyInArray) {
+ touches.push(e);
+ }
+
+ e.touches = touches.slice();
+ e.changedTouches = [e];
+
+ handler(e);
+ };
+
+ obj[pre + 'touchstart' + id] = cb;
+ obj.addEventListener('MSPointerDown', cb, false);
+
+ // need to also listen for end events to keep the _msTouches list accurate
+ // this needs to be on the body and never go away
+ if (!this._msDocumentListener) {
+ var internalCb = function (e) {
+ for (var i = 0; i < touches.length; i++) {
+ if (touches[i].pointerId === e.pointerId) {
+ touches.splice(i, 1);
+ break;
+ }
+ }
+ };
+ //We listen on the documentElement as any drags that end by moving the touch off the screen get fired there
+ document.documentElement.addEventListener('MSPointerUp', internalCb, false);
+ document.documentElement.addEventListener('MSPointerCancel', internalCb, false);
+
+ this._msDocumentListener = true;
+ }
+
+ return this;
+ },
+
+ addMsTouchListenerMove: function (obj, type, handler, id) {
+ var pre = '_leaflet_',
+ touches = this._msTouches;
+
+ function cb(e) {
+
+ // don't fire touch moves when mouse isn't down
+ if (e.pointerType === e.MSPOINTER_TYPE_MOUSE && e.buttons === 0) { return; }
+
+ for (var i = 0; i < touches.length; i++) {
+ if (touches[i].pointerId === e.pointerId) {
+ touches[i] = e;
+ break;
+ }
+ }
+
+ e.touches = touches.slice();
+ e.changedTouches = [e];
+
+ handler(e);
+ }
+
+ obj[pre + 'touchmove' + id] = cb;
+ obj.addEventListener('MSPointerMove', cb, false);
+
+ return this;
+ },
+
+ addMsTouchListenerEnd: function (obj, type, handler, id) {
+ var pre = '_leaflet_',
+ touches = this._msTouches;
+
+ var cb = function (e) {
+ for (var i = 0; i < touches.length; i++) {
+ if (touches[i].pointerId === e.pointerId) {
+ touches.splice(i, 1);
+ break;
+ }
+ }
+
+ e.touches = touches.slice();
+ e.changedTouches = [e];
+
+ handler(e);
+ };
+
+ obj[pre + 'touchend' + id] = cb;
+ obj.addEventListener('MSPointerUp', cb, false);
+ obj.addEventListener('MSPointerCancel', cb, false);
+
+ return this;
+ },
+
+ removeMsTouchListener: function (obj, type, id) {
+ var pre = '_leaflet_',
+ cb = obj[pre + type + id];
+
+ switch (type) {
+ case 'touchstart':
+ obj.removeEventListener('MSPointerDown', cb, false);
+ break;
+ case 'touchmove':
+ obj.removeEventListener('MSPointerMove', cb, false);
+ break;
+ case 'touchend':
+ obj.removeEventListener('MSPointerUp', cb, false);
+ obj.removeEventListener('MSPointerCancel', cb, false);
+ break;
+ }
+
+ return this;
+ }
+});
+
+
+/*
+ * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers.
+ */
+
+L.Map.mergeOptions({
+ touchZoom: L.Browser.touch && !L.Browser.android23
+});
+
+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.max(0, Math.abs(offset.x) - 4)) + 'px';
+ box.style.height = (Math.max(0, Math.abs(offset.y) - 4)) + 'px';
+ },
+
+ _onMouseUp: function (e) {
+ this._pane.removeChild(this._box);
+ this._container.style.cursor = '';
+
+ L.DomUtil.enableTextSelection();
+
+ L.DomEvent
+ .off(document, 'mousemove', this._onMouseMove)
+ .off(document, 'mouseup', this._onMouseUp);
+
+ var map = this._map,
+ layerPoint = map.mouseEventToLayerPoint(e),
+
+ 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) {
+ var marker = this._marker,
+ shadow = marker._shadow,
+ iconPos = L.DomUtil.getPosition(marker._icon),
+ latlng = marker._map.layerPointToLatLng(iconPos);
+
+ // update shadow position
+ if (shadow) {
+ L.DomUtil.setPosition(shadow, iconPos);
+ }
+
+ marker._latlng = latlng;
+
+ marker
+ .fire('move', {latlng: latlng})
+ .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.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.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) {
+ // we want to remove the marker on click, but if latlng count < 3, polyline would be invalid
+ if (this._poly._latlngs.length < 3) { return; }
+
+ var marker = e.target,
+ i = marker._index;
+
+ // remove the marker
+ this._markerGroup.removeLayer(marker);
+ this._markers.splice(i, 1);
+ this._poly.spliceLatLngs(i, 1);
+ this._updateIndexes(i, -1);
+
+ // update prev/next links of adjacent markers
+ this._updatePrevNext(marker._prev, marker._next);
+
+ // remove ghost markers near the removed marker
+ if (marker._middleLeft) {
+ this._markerGroup.removeLayer(marker._middleLeft);
+ }
+ if (marker._middleRight) {
+ this._markerGroup.removeLayer(marker._middleRight);
+ }
+
+ // create a ghost marker in place of the removed one
+ 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._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));
+ }
+});
+
+
+
+L.Control = L.Class.extend({
+ options: {
+ position: 'topright'
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+ },
+
+ getPosition: function () {
+ return this.options.position;
+ },
+
+ setPosition: function (position) {
+ var map = this._map;
+
+ if (map) {
+ map.removeControl(this);
+ }
+
+ this.options.position = position;
+
+ if (map) {
+ map.addControl(this);
+ }
+
+ return this;
+ },
+
+ addTo: function (map) {
+ this._map = map;
+
+ var container = this._container = this.onAdd(map),
+ pos = this.getPosition(),
+ corner = map._controlCorners[pos];
+
+ L.DomUtil.addClass(container, 'leaflet-control');
+
+ if (pos.indexOf('bottom') !== -1) {
+ corner.insertBefore(container, corner.firstChild);
+ } else {
+ corner.appendChild(container);
+ }
+
+ return this;
+ },
+
+ removeFrom: function (map) {
+ var pos = this.getPosition(),
+ corner = map._controlCorners[pos];
+
+ corner.removeChild(this._container);
+ this._map = null;
+
+ if (this.onRemove) {
+ this.onRemove(map);
+ }
+
+ return this;
+ }
+});
+
+L.control = function (options) {
+ return new L.Control(options);
+};
+
+
+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({
+ options: {
+ position: 'topleft'
+ },
+
+ onAdd: function (map) {
+ var className = 'leaflet-control-zoom',
+ container = L.DomUtil.create('div', className);
+
+ this._map = map;
+
+ this._createButton('Zoom in', className + '-in', container, this._zoomIn, this);
+ this._createButton('Zoom out', className + '-out', container, this._zoomOut, this);
+
+ return container;
+ },
+
+ _zoomIn: function (e) {
+ this._map.zoomIn(e.shiftKey ? 3 : 1);
+ },
+
+ _zoomOut: function (e) {
+ this._map.zoomOut(e.shiftKey ? 3 : 1);
+ },
+
+ _createButton: function (title, className, container, fn, context) {
+ var link = L.DomUtil.create('a', className, container);
+ link.href = '#';
+ link.title = title;
+
+ L.DomEvent
+ .on(link, 'click', L.DomEvent.stopPropagation)
+ .on(link, 'mousedown', L.DomEvent.stopPropagation)
+ .on(link, 'dblclick', L.DomEvent.stopPropagation)
+ .on(link, 'click', L.DomEvent.preventDefault)
+ .on(link, 'click', fn, context);
+
+ return link;
+ }
+});
+
+L.Map.mergeOptions({
+ zoomControl: true
+});
+
+L.Map.addInitHook(function () {
+ if (this.options.zoomControl) {
+ this.zoomControl = new L.Control.Zoom();
+ this.addControl(this.zoomControl);
+ }
+});
+
+L.control.zoom = function (options) {
+ return new L.Control.Zoom(options);
+};
+
+
+
+L.Control.Attribution = L.Control.extend({
+ options: {
+ position: 'bottomright',
+ prefix: 'Powered by <a href="http://leafletjs.com">Leaflet</a>'
+ },
+
+ initialize: function (options) {
+ L.setOptions(this, options);
+
+ this._attributions = {};
+ },
+
+ onAdd: function (map) {
+ this._container = L.DomUtil.create('div', 'leaflet-control-attribution');
+ L.DomEvent.disableClickPropagation(this._container);
+
+ map
+ .on('layeradd', this._onLayerAdd, this)
+ .on('layerremove', this._onLayerRemove, this);
+
+ this._update();
+
+ return this._container;
+ },
+
+ onRemove: function (map) {
+ map
+ .off('layeradd', this._onLayerAdd)
+ .off('layerremove', this._onLayerRemove);
+
+ },
+
+ setPrefix: function (prefix) {
+ this.options.prefix = prefix;
+ this._update();
+ return this;
+ },
+
+ addAttribution: function (text) {
+ if (!text) { return; }
+
+ if (!this._attributions[text]) {
+ this._attributions[text] = 0;
+ }
+ this._attributions[text]++;
+
+ this._update();
+
+ return this;
+ },
+
+ removeAttribution: function (text) {
+ if (!text) { return; }
+
+ this._attributions[text]--;
+ this._update();
+
+ return this;
+ },
+
+ _update: function () {
+ if (!this._map) { return; }
+
+ var attribs = [];
+
+ for (var i in this._attributions) {
+ if (this._attributions.hasOwnProperty(i) && this._attributions[i]) {
+ attribs.push(i);
+ }
+ }
+
+ var prefixAndAttribs = [];
+
+ if (this.options.prefix) {
+ prefixAndAttribs.push(this.options.prefix);
+ }
+ if (attribs.length) {
+ prefixAndAttribs.push(attribs.join(', '));
+ }
+
+ this._container.innerHTML = prefixAndAttribs.join(' — ');
+ },
+
+ _onLayerAdd: function (e) {
+ if (e.layer.getAttribution) {
+ this.addAttribution(e.layer.getAttribution());
+ }
+ },
+
+ _onLayerRemove: function (e) {
+ if (e.layer.getAttribution) {
+ this.removeAttribution(e.layer.getAttribution());
+ }
+ }
+});
+
+L.Map.mergeOptions({
+ attributionControl: true
+});
+
+L.Map.addInitHook(function () {
+ if (this.options.attributionControl) {
+ this.attributionControl = (new L.Control.Attribution()).addTo(this);
+ }
+});
+
+L.control.attribution = function (options) {
+ return new L.Control.Attribution(options);
+};
+
+
+L.Control.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);
+ map.whenReady(this._update, this);
+
+ return container;
+ },
+
+ onRemove: function (map) {
+ map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
+ },
+
+ _addScales: function (options, className, container) {
+ if (options.metric) {
+ this._mScale = 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);
+};
+
+
+L.Control.Layers = L.Control.extend({
+ options: {
+ collapsed: true,
+ position: 'topright',
+ autoZIndex: true
+ },
+
+ initialize: function (baseLayers, overlays, options) {
+ L.setOptions(this, options);
+
+ this._layers = {};
+ this._lastZIndex = 0;
+ this._handlingClick = false;
+
+ for (var i in baseLayers) {
+ if (baseLayers.hasOwnProperty(i)) {
+ this._addLayer(baseLayers[i], i);
+ }
+ }
+
+ for (i in overlays) {
+ if (overlays.hasOwnProperty(i)) {
+ this._addLayer(overlays[i], i, true);
+ }
+ }
+ },
+
+ onAdd: function (map) {
+ this._initLayout();
+ this._update();
+
+ map
+ .on('layeradd', this._update, this)
+ .on('layerremove', this._update, this);
+
+ return this._container;
+ },
+
+ onRemove: function (map) {
+ map
+ .off('layeradd', this._update)
+ .off('layerremove', this._update);
+ },
+
+ addBaseLayer: function (layer, name) {
+ this._addLayer(layer, name);
+ this._update();
+ return this;
+ },
+
+ addOverlay: function (layer, name) {
+ this._addLayer(layer, name, true);
+ this._update();
+ return this;
+ },
+
+ removeLayer: function (layer) {
+ var id = L.stamp(layer);
+ delete this._layers[id];
+ this._update();
+ return this;
+ },
+
+ _initLayout: function () {
+ var className = 'leaflet-control-layers',
+ container = this._container = L.DomUtil.create('div', className);
+
+ if (!L.Browser.touch) {
+ L.DomEvent.disableClickPropagation(container);
+ } else {
+ L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation);
+ }
+
+ var form = this._form = L.DomUtil.create('form', className + '-list');
+
+ if (this.options.collapsed) {
+ L.DomEvent
+ .on(container, 'mouseover', this._expand, this)
+ .on(container, 'mouseout', this._collapse, this);
+
+ var link = this._layersLink = L.DomUtil.create('a', className + '-toggle', container);
+ link.href = '#';
+ link.title = 'Layers';
+
+ if (L.Browser.touch) {
+ L.DomEvent
+ .on(link, 'click', L.DomEvent.stopPropagation)
+ .on(link, 'click', L.DomEvent.preventDefault)
+ .on(link, 'click', this._expand, this);
+ }
+ else {
+ L.DomEvent.on(link, 'focus', this._expand, this);
+ }
+
+ this._map.on('movestart', this._collapse, this);
+ // TODO keyboard accessibility
+ } else {
+ this._expand();
+ }
+
+ this._baseLayersList = L.DomUtil.create('div', className + '-base', form);
+ this._separator = L.DomUtil.create('div', className + '-separator', form);
+ this._overlaysList = L.DomUtil.create('div', className + '-overlays', form);
+
+ container.appendChild(form);
+ },
+
+ _addLayer: function (layer, name, overlay) {
+ var id = L.stamp(layer);
+
+ this._layers[id] = {
+ layer: layer,
+ name: name,
+ overlay: overlay
+ };
+
+ if (this.options.autoZIndex && layer.setZIndex) {
+ this._lastZIndex++;
+ layer.setZIndex(this._lastZIndex);
+ }
+ },
+
+ _update: function () {
+ if (!this._container || this._handlingClick) {
+ return;
+ }
+
+ this._baseLayersList.innerHTML = '';
+ this._overlaysList.innerHTML = '';
+
+ var baseLayersPresent = false,
+ overlaysPresent = false;
+
+ for (var i in this._layers) {
+ if (this._layers.hasOwnProperty(i)) {
+ var obj = this._layers[i];
+ this._addItem(obj);
+ overlaysPresent = overlaysPresent || obj.overlay;
+ baseLayersPresent = baseLayersPresent || !obj.overlay;
+ }
+ }
+
+ this._separator.style.display = (overlaysPresent && baseLayersPresent ? '' : 'none');
+ },
+
+ // IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe)
+ _createRadioElement: function (name, checked) {
+
+ var radioHtml = '<input type="radio" class="leaflet-control-layers-selector" name="' + name + '"';
+ if (checked) {
+ radioHtml += ' checked="checked"';
+ }
+ radioHtml += '/>';
+
+ var radioFragment = document.createElement('div');
+ radioFragment.innerHTML = radioHtml;
+
+ return radioFragment.firstChild;
+ },
+
+ _addItem: function (obj) {
+ var label = document.createElement('label'),
+ input,
+ checked = this._map.hasLayer(obj.layer);
+
+ if (obj.overlay) {
+ input = document.createElement('input');
+ input.type = 'checkbox';
+ input.className = 'leaflet-control-layers-selector';
+ input.defaultChecked = checked;
+ } else {
+ input = this._createRadioElement('leaflet-base-layers', checked);
+ }
+
+ input.layerId = L.stamp(obj.layer);
+
+ L.DomEvent.on(input, 'click', this._onInputClick, this);
+
+ var name = document.createElement('span');
+ name.innerHTML = ' ' + obj.name;
+
+ label.appendChild(input);
+ label.appendChild(name);
+
+ var container = obj.overlay ? this._overlaysList : this._baseLayersList;
+ container.appendChild(label);
+ },
+
+ _onInputClick: function () {
+ var i, input, obj,
+ inputs = this._form.getElementsByTagName('input'),
+ inputsLen = inputs.length,
+ baseLayer;
+
+ this._handlingClick = true;
+
+ for (i = 0; i < inputsLen; i++) {
+ input = inputs[i];
+ obj = this._layers[input.layerId];
+
+ if (input.checked && !this._map.hasLayer(obj.layer)) {
+ this._map.addLayer(obj.layer);
+ if (!obj.overlay) {
+ baseLayer = obj.layer;
+ }
+ } else if (!input.checked && this._map.hasLayer(obj.layer)) {
+ this._map.removeLayer(obj.layer);
+ }
+ }
+
+ if (baseLayer) {
+ this._map.fire('baselayerchange', {layer: baseLayer});
+ }
+
+ this._handlingClick = false;
+ },
+
+ _expand: function () {
+ L.DomUtil.addClass(this._container, 'leaflet-control-layers-expanded');
+ },
+
+ _collapse: function () {
+ this._container.className = this._container.className.replace(' leaflet-control-layers-expanded', '');
+ }
+});
+
+L.control.layers = function (baseLayers, overlays, options) {
+ return new L.Control.Layers(baseLayers, overlays, options);
+};
+
+
+/*
+ * L.PosAnimation is used by Leaflet internally for pan animations.
+ */
+
+L.PosAnimation = L.Class.extend({
+ includes: L.Mixin.Events,
+
+ run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
+ this.stop();
+
+ this._el = el;
+ this._inProgress = true;
+
+ this.fire('start');
+
+ el.style[L.DomUtil.TRANSITION] = 'all ' + (duration || 0.25) +
+ 's cubic-bezier(0,0,' + (easeLinearity || 0.5) + ',1)';
+
+ L.DomEvent.on(el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);
+ L.DomUtil.setPosition(el, newPos);
+
+ // toggle reflow, Chrome flickers for some reason if you don't do this
+ L.Util.falseFn(el.offsetWidth);
+
+ // there's no native way to track value updates of tranisitioned properties, so we imitate this
+ this._stepTimer = setInterval(L.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();
+ L.Util.falseFn(this._el.offsetWidth); // force reflow in case we are about to start a new animation
+ },
+
+ // 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, easeLinearity) {
+ 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, easeLinearity);
+
+ 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, easeLinearity) { // (HTMLElement, Point[, Number, Number])
+ this.stop();
+
+ this._el = el;
+ this._inProgress = true;
+ this._duration = duration || 0.25;
+ this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2);
+
+ this._startPos = 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._easeOut(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');
+ },
+
+ _easeOut: function (t) {
+ return 1 - Math.pow(1 - t, this._easeOutPower);
+ }
+});
+
+
+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);
+
+ 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 = '';
+ }
+ }
+});
+
+
+/*
+ * Provides L.Map with convenient shortcuts for W3C geolocation.
+ */
+
+L.Map.include({
+ _defaultLocateOptions: {
+ watch: false,
+ setView: false,
+ maxZoom: Infinity,
+ timeout: 10000,
+ maximumAge: 0,
+ enableHighAccuracy: false
+ },
+
+ locate: function (/*Object*/ options) {
+
+ options = this._locationOptions = L.extend(this._defaultLocateOptions, options);
+
+ if (!navigator.geolocation) {
+ this._handleGeolocationError({
+ code: 0,
+ message: "Geolocation not supported."
+ });
+ return this;
+ }
+
+ var onResponse = L.bind(this._handleGeolocationResponse, this),
+ onError = L.bind(this._handleGeolocationError, this);
+
+ if (options.watch) {
+ this._locationWatchId =
+ navigator.geolocation.watchPosition(onResponse, onError, options);
+ } else {
+ navigator.geolocation.getCurrentPosition(onResponse, onError, options);
+ }
+ return this;
+ },
+
+ stopLocate: function () {
+ if (navigator.geolocation) {
+ navigator.geolocation.clearWatch(this._locationWatchId);
+ }
+ return this;
+ },
+
+ _handleGeolocationError: function (error) {
+ var c = error.code,
+ message = error.message ||
+ (c === 1 ? "permission denied" :
+ (c === 2 ? "position unavailable" : "timeout"));
+
+ if (this._locationOptions.setView && !this._loaded) {
+ this.fitWorld();
+ }
+
+ this.fire('locationerror', {
+ code: c,
+ message: "Geolocation error: " + message + "."
+ });
+ },
+
+ _handleGeolocationResponse: function (pos) {
+ var latAccuracy = 180 * pos.coords.accuracy / 4e7,
+ lngAccuracy = latAccuracy * 2,
+
+ lat = pos.coords.latitude,
+ lng = pos.coords.longitude,
+ latlng = new L.LatLng(lat, lng),
+
+ sw = new L.LatLng(lat - latAccuracy, lng - lngAccuracy),
+ ne = new L.LatLng(lat + latAccuracy, lng + lngAccuracy),
+ bounds = new L.LatLngBounds(sw, ne),
+
+ options = this._locationOptions;
+
+ if (options.setView) {
+ var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom);
+ this.setView(latlng, zoom);
+ }
+
+ this.fire('locationfound', {
+ latlng: latlng,
+ bounds: bounds,
+ accuracy: pos.coords.accuracy
+ });
+ }
+});
+
+
+
+
+}(this));
projects / rails.git / commitdiff
