--- a/hdalab/lib/leaflet/leaflet-src.js Fri Feb 24 18:38:00 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,5637 +0,0 @@
-/*
- Copyright (c) 2010-2011, CloudMade, Vladimir Agafonkin
- Leaflet is a modern open-source JavaScript library for interactive maps.
- http://leaflet.cloudmade.com
-*/
-
-(function (root) {
- root.L = {
- VERSION: '0.3',
-
- ROOT_URL: root.L_ROOT_URL || (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) {
- if (matches[1] === 'include') {
- return '../../dist/';
- }
- return src.replace(leafletRe, '') + '/';
- }
- }
- return '';
- }()),
-
- noConflict: function () {
- root.L = this._originalL;
- return this;
- },
-
- _originalL: root.L
- };
-}(this));
-
-
-/*
- * L.Util is a namespace for various utility functions.
- */
-
-L.Util = {
- extend: function (/*Object*/ dest) /*-> Object*/ { // merge src properties into dest
- var sources = Array.prototype.slice.call(arguments, 1);
- for (var j = 0, len = sources.length, src; j < len; j++) {
- src = sources[j] || {};
- for (var i in src) {
- if (src.hasOwnProperty(i)) {
- dest[i] = src[i];
- }
- }
- }
- return dest;
- },
-
- bind: function (/*Function*/ fn, /*Object*/ obj) /*-> Object*/ {
- return function () {
- return fn.apply(obj, arguments);
- };
- },
-
- stamp: (function () {
- var lastId = 0, key = '_leaflet_id';
- return function (/*Object*/ obj) {
- obj[key] = obj[key] || ++lastId;
- return obj[key];
- };
- }()),
-
- requestAnimFrame: (function () {
- function timeoutDefer(callback) {
- window.setTimeout(callback, 1000 / 60);
- }
-
- var requestFn = window.requestAnimationFrame ||
- window.webkitRequestAnimationFrame ||
- window.mozRequestAnimationFrame ||
- window.oRequestAnimationFrame ||
- window.msRequestAnimationFrame ||
- timeoutDefer;
-
- return function (callback, context, immediate, contextEl) {
- callback = context ? L.Util.bind(callback, context) : callback;
- if (immediate && requestFn === timeoutDefer) {
- callback();
- } else {
- requestFn(callback, contextEl);
- }
- };
- }()),
-
- limitExecByInterval: function (fn, time, context) {
- var lock, execOnUnlock, args;
- function exec() {
- lock = false;
- if (execOnUnlock) {
- args.callee.apply(context, args);
- execOnUnlock = false;
- }
- }
- return function () {
- args = arguments;
- if (!lock) {
- lock = true;
- setTimeout(exec, time);
- fn.apply(context, args);
- } else {
- execOnUnlock = true;
- }
- };
- },
-
- falseFn: function () {
- return false;
- },
-
- formatNum: function (num, digits) {
- var pow = Math.pow(10, digits || 5);
- return Math.round(num * pow) / pow;
- },
-
- setOptions: function (obj, options) {
- obj.options = L.Util.extend({}, obj.options, 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;
- });
- }
-};
-
-
-/*
- * 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;
-
- // add superclass access
- NewClass.superclass = this.prototype;
-
- // add class name
- //proto.className = props;
-
- //inherit parent's statics
- for (var i in this) {
- if (this.hasOwnProperty(i) && i !== 'prototype' && i !== 'superclass') {
- NewClass[i] = this[i];
- }
- }
-
- // mix static properties into the class
- if (props.statics) {
- L.Util.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.Util.extend({}, proto.options, props.options);
- }
-
- // mix given properties into the prototype
- L.Util.extend(proto, props);
-
- // allow inheriting further
- NewClass.extend = L.Class.extend;
-
- // method for adding properties to prototype
- NewClass.include = function (props) {
- L.Util.extend(this.prototype, props);
- };
-
- return NewClass;
-};
-
-
-/*
- * L.Mixin.Events adds custom events functionality to Leaflet classes
- */
-
-L.Mixin = {};
-
-L.Mixin.Events = {
- addEventListener: function (/*String*/ type, /*Function*/ fn, /*(optional) Object*/ context) {
- var events = this._leaflet_events = this._leaflet_events || {};
- events[type] = events[type] || [];
- events[type].push({
- action: fn,
- context: context || this
- });
- return this;
- },
-
- hasEventListeners: function (/*String*/ type) /*-> Boolean*/ {
- var k = '_leaflet_events';
- return (k in this) && (type in this[k]) && (this[k][type].length > 0);
- },
-
- removeEventListener: function (/*String*/ type, /*Function*/ fn, /*(optional) Object*/ context) {
- if (!this.hasEventListeners(type)) {
- return this;
- }
-
- for (var i = 0, events = this._leaflet_events, len = events[type].length; i < len; i++) {
- if (
- (events[type][i].action === fn) &&
- (!context || (events[type][i].context === context))
- ) {
- events[type].splice(i, 1);
- return this;
- }
- }
- return this;
- },
-
- fireEvent: function (/*String*/ type, /*(optional) Object*/ data) {
- if (!this.hasEventListeners(type)) {
- return this;
- }
-
- var event = L.Util.extend({
- type: type,
- target: this
- }, data);
-
- var listeners = this._leaflet_events[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 ua = navigator.userAgent.toLowerCase(),
- ie = !!window.ActiveXObject,
- webkit = ua.indexOf("webkit") !== -1,
- mobile = typeof orientation !== 'undefined' ? true : false,
- android = ua.indexOf("android") !== -1,
- opera = window.opera;
-
- L.Browser = {
- ie: ie,
- ie6: ie && !window.XMLHttpRequest,
-
- webkit: webkit,
- webkit3d: webkit && ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()),
-
- gecko: ua.indexOf("gecko") !== -1,
-
- opera: opera,
-
- android: android,
- mobileWebkit: mobile && webkit,
- mobileOpera: mobile && opera,
-
- mobile: mobile,
- touch: (function () {
- var touchSupported = false,
- startName = 'ontouchstart';
-
- // WebKit, etc
- if (startName in document.documentElement) {
- return true;
- }
-
- // Firefox/Gecko
- var e = document.createElement('div');
-
- // If no support for basic event stuff, unlikely to have touch support
- if (!e.setAttribute || !e.removeAttribute) {
- return false;
- }
-
- e.setAttribute(startName, 'return;');
- if (typeof e[startName] === 'function') {
- touchSupported = true;
- }
-
- e.removeAttribute(startName);
- e = null;
-
- return touchSupported;
- }())
- };
-}());
-
-
-/*
- * 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 = {
- add: function (point) {
- return this.clone()._add(point);
- },
-
- _add: function (point) {
- this.x += point.x;
- this.y += point.y;
- return this;
- },
-
- subtract: function (point) {
- return this.clone()._subtract(point);
- },
-
- // destructive subtract (faster)
- _subtract: function (point) {
- this.x -= point.x;
- this.y -= point.y;
- return this;
- },
-
- divideBy: function (num, round) {
- return new L.Point(this.x / num, this.y / num, round);
- },
-
- multiplyBy: function (num) {
- return new L.Point(this.x * num, this.y * num);
- },
-
- distanceTo: function (point) {
- var x = point.x - this.x,
- y = point.y - this.y;
- return Math.sqrt(x * x + y * y);
- },
-
- round: function () {
- return this.clone()._round();
- },
-
- // destructive round
- _round: function () {
- this.x = Math.round(this.x);
- this.y = Math.round(this.y);
- return this;
- },
-
- clone: function () {
- return new L.Point(this.x, this.y);
- },
-
- toString: function () {
- return 'Point(' +
- L.Util.formatNum(this.x) + ', ' +
- L.Util.formatNum(this.y) + ')';
- }
-};
-
-
-/*
- * L.Bounds represents a rectangular area on the screen in pixel coordinates.
- */
-
-L.Bounds = L.Class.extend({
- initialize: function (min, max) { //(Point, Point) or Point[]
- if (!min) {
- return;
- }
- var points = (min instanceof Array ? min : [min, max]);
- 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) {
- if (!this.min && !this.max) {
- this.min = new L.Point(point.x, point.y);
- this.max = new L.Point(point.x, point.y);
- } 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);
- }
- },
-
- getCenter: function (round)/*->Point*/ {
- return new L.Point(
- (this.min.x + this.max.x) / 2,
- (this.min.y + this.max.y) / 2, round);
- },
-
- contains: function (/*Bounds or Point*/ obj)/*->Boolean*/ {
- var min, max;
-
- 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) {
- var min = this.min,
- max = this.max,
- min2 = bounds.min,
- max2 = bounds.max;
-
- var xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
- yIntersects = (max2.y >= min.y) && (min2.y <= max.y);
-
- return xIntersects && yIntersects;
- }
-
-});
-
-
-/*
- * 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') {
- 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;
-
- do {
- top += el.offsetTop || 0;
- left += el.offsetLeft || 0;
-
- if (el.offsetParent === docBody &&
- L.DomUtil.getStyle(el, 'position') === 'absolute') {
- break;
- }
- el = el.offsetParent;
- } while (el);
-
- el = element;
-
- do {
- if (el === docBody) {
- break;
- }
-
- top -= el.scrollTop || 0;
- left -= el.scrollLeft || 0;
-
- el = el.parentNode;
- } while (el);
-
- return new L.Point(left, top);
- },
-
- 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 () {
- 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) {
- el.className = el.className.replace(/(\S+)\s*/g, function (w, match) {
- if (match === name) {
- return '';
- }
- return w;
- }).replace(/^\s+/, '');
- },
-
- setOpacity: function (el, value) {
- if (L.Browser.ie) {
- el.style.filter = 'alpha(opacity=' + Math.round(value * 100) + ')';
- } else {
- el.style.opacity = value;
- }
- },
-
- //TODO refactor away this ugly translate/position mess
-
- 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) {
- return L.DomUtil.TRANSLATE_OPEN +
- point.x + 'px,' + point.y + 'px' +
- L.DomUtil.TRANSLATE_CLOSE;
- },
-
- getScaleString: function (scale, origin) {
- var preTranslateStr = L.DomUtil.getTranslateString(origin),
- scaleStr = ' scale(' + scale + ') ',
- postTranslateStr = L.DomUtil.getTranslateString(origin.multiplyBy(-1));
-
- return preTranslateStr + scaleStr + postTranslateStr;
- },
-
- setPosition: function (el, point) {
- el._leaflet_pos = point;
- if (L.Browser.webkit) {
- el.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(point);
- } else {
- el.style.left = point.x + 'px';
- el.style.top = point.y + 'px';
- }
- },
-
- getPosition: function (el) {
- return el._leaflet_pos;
- }
-};
-
-L.Util.extend(L.DomUtil, {
- TRANSITION: L.DomUtil.testProp(['transition', 'webkitTransition', 'OTransition', 'MozTransition', 'msTransition']),
- TRANSFORM: L.DomUtil.testProp(['transformProperty', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']),
-
- TRANSLATE_OPEN: 'translate' + (L.Browser.webkit3d ? '3d(' : '('),
- TRANSLATE_CLOSE: L.Browser.webkit3d ? ',0)' : ')'
-});
-
-
-/*
- CM.LatLng represents a geographical point with latitude and longtitude coordinates.
-*/
-
-L.LatLng = function (/*Number*/ rawLat, /*Number*/ rawLng, /*Boolean*/ noWrap) {
- 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
- }
-
- //TODO change to lat() & lng()
- this.lat = lat;
- this.lng = lng;
-};
-
-L.Util.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 (/*LatLng*/ obj) {
- if (!(obj instanceof L.LatLng)) {
- return false;
- }
-
- var margin = Math.max(Math.abs(this.lat - obj.lat), Math.abs(this.lng - obj.lng));
- return margin <= L.LatLng.MAX_MARGIN;
- },
-
- toString: function () {
- return 'LatLng(' +
- L.Util.formatNum(this.lat) + ', ' +
- L.Util.formatNum(this.lng) + ')';
- },
-
- // Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula
- distanceTo: function (/*LatLng*/ other)/*->Double*/ {
- 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.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 = (southWest instanceof Array ? southWest : [southWest, northEast]);
- for (var i = 0, len = latlngs.length; i < len; i++) {
- this.extend(latlngs[i]);
- }
- },
-
- // extend the bounds to contain the given point
- extend: function (/*LatLng*/ latlng) {
- if (!this._southWest && !this._northEast) {
- this._southWest = new L.LatLng(latlng.lat, latlng.lng, true);
- this._northEast = new L.LatLng(latlng.lat, latlng.lng, true);
- } else {
- this._southWest.lat = Math.min(latlng.lat, this._southWest.lat);
- this._southWest.lng = Math.min(latlng.lng, this._southWest.lng);
- this._northEast.lat = Math.max(latlng.lat, this._northEast.lat);
- this._northEast.lng = Math.max(latlng.lng, this._northEast.lng);
- }
- },
-
- 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 (/*LatLngBounds or LatLng*/ obj) /*-> Boolean*/ {
- 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 (/*LatLngBounds*/ bounds) {
- var sw = this._southWest,
- ne = this._northEast,
- sw2 = bounds.getSouthWest(),
- ne2 = bounds.getNorthEast();
-
- var 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(',');
- }
-});
-
-//TODO International date line?
-
-
-/*
- * 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*/ unbounded) /*-> LatLng*/ {
- var d = L.LatLng.RAD_TO_DEG,
- lng = point.x * d,
- lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d;
-
- return new L.LatLng(lat, lng, unbounded);
- }
-};
-
-
-
-L.Projection.LonLat = {
- project: function (latlng) {
- return new L.Point(latlng.lng, latlng.lat);
- },
-
- unproject: function (point, unbounded) {
- return new L.LatLng(point.y, point.x, unbounded);
- }
-};
-
-
-
-L.CRS = {
- latLngToPoint: function (/*LatLng*/ latlng, /*Number*/ scale)/*-> Point*/ {
- var projectedPoint = this.projection.project(latlng);
- return this.transformation._transform(projectedPoint, scale);
- },
-
- pointToLatLng: function (/*Point*/ point, /*Number*/ scale, /*(optional) Boolean*/ unbounded)/*-> LatLng*/ {
- var untransformedPoint = this.transformation.untransform(point, scale);
- return this.projection.unproject(untransformedPoint, unbounded);
- //TODO get rid of 'unbounded' everywhere
- },
-
- project: function (latlng) {
- return this.projection.project(latlng);
- }
-};
-
-
-
-L.CRS.EPSG3857 = L.Util.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.Util.extend({}, L.CRS.EPSG3857, {
- code: 'EPSG:900913'
-});
-
-
-
-L.CRS.EPSG4326 = L.Util.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: {
- // projection
- crs: L.CRS.EPSG3857 || L.CRS.EPSG4326,
- scale: function (zoom) {
- return 256 * Math.pow(2, zoom);
- },
-
- // state
- center: null,
- zoom: null,
- layers: [],
-
- // interaction
- dragging: true,
- touchZoom: L.Browser.touch && !L.Browser.android,
- scrollWheelZoom: !L.Browser.touch,
- doubleClickZoom: true,
- boxZoom: true,
-
- // controls
- zoomControl: true,
- attributionControl: true,
-
- // animation
- fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android,
- zoomAnimation: L.DomUtil.TRANSITION && !L.Browser.android && !L.Browser.mobileOpera,
-
- // misc
- trackResize: true,
- closePopupOnClick: true,
- worldCopyJump: true
- },
-
-
- // constructor
-
- initialize: function (id, options) { // (HTMLElement or String, Object)
- L.Util.setOptions(this, options);
-
- this._container = L.DomUtil.get(id);
-
- if (this._container._leaflet) {
- throw new Error("Map container is already initialized.");
- }
- this._container._leaflet = true;
-
- this._initLayout();
-
- if (L.DomEvent) {
- this._initEvents();
- if (L.Handler) {
- this._initInteraction();
- }
- if (L.Control) {
- this._initControls();
- }
- }
-
- if (this.options.maxBounds) {
- this.setMaxBounds(this.options.maxBounds);
- }
-
- var center = this.options.center,
- zoom = this.options.zoom;
-
- if (center !== null && zoom !== null) {
- this.setView(center, zoom, true);
- }
-
- var layers = this.options.layers;
- layers = (layers instanceof Array ? layers : [layers]);
- this._tileLayersNum = 0;
- this._initLayers(layers);
- },
-
-
- // public methods that modify map state
-
- // replaced by animation-powered implementation in Map.PanAnimation.js
- setView: function (center, zoom) {
- // reset the map view
- this._resetView(center, this._limitZoom(zoom));
- return this;
- },
-
- setZoom: function (zoom) { // (Number)
- return this.setView(this.getCenter(), zoom);
- },
-
- zoomIn: function () {
- return this.setZoom(this._zoom + 1);
- },
-
- zoomOut: function () {
- return this.setZoom(this._zoom - 1);
- },
-
- fitBounds: function (bounds) { // (LatLngBounds)
- var zoom = this.getBoundsZoom(bounds);
- return this.setView(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(offset);
-
- this.fire('move');
- this.fire('moveend');
-
- return this;
- },
-
- setMaxBounds: function (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) {
- 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, insertAtTheTop) {
- var id = L.Util.stamp(layer);
-
- if (this._layers[id]) {
- return this;
- }
-
- this._layers[id] = layer;
-
- 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 getMaxZoom, getMinZoom in ILayer (instead of options)
-
- if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
- this._tileLayersNum++;
- layer.on('load', this._onTileLayerLoad, this);
- }
- if (this.attributionControl && layer.getAttribution) {
- this.attributionControl.addAttribution(layer.getAttribution());
- }
-
- var onMapLoad = function () {
- layer.onAdd(this, insertAtTheTop);
- this.fire('layeradd', {layer: layer});
- };
-
- if (this._loaded) {
- onMapLoad.call(this);
- } else {
- this.on('load', onMapLoad, this);
- }
-
- return this;
- },
-
- removeLayer: function (layer) {
- var id = L.Util.stamp(layer);
-
- if (this._layers[id]) {
- layer.onRemove(this);
- delete this._layers[id];
-
- if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
- this._tileLayersNum--;
- layer.off('load', this._onTileLayerLoad, this);
- }
- if (this.attributionControl && layer.getAttribution) {
- this.attributionControl.removeAttribution(layer.getAttribution());
- }
-
- this.fire('layerremove', {layer: layer});
- }
- return this;
- },
-
- hasLayer: function (layer) {
- var id = L.Util.stamp(layer);
- return this._layers.hasOwnProperty(id);
- },
-
- invalidateSize: function () {
- var oldSize = this.getSize();
-
- this._sizeChanged = true;
-
- if (this.options.maxBounds) {
- this.setMaxBounds(this.options.maxBounds);
- }
-
- if (!this._loaded) {
- return this;
- }
-
- this._rawPanBy(oldSize.subtract(this.getSize()).divideBy(2, true));
-
- this.fire('move');
-
- clearTimeout(this._sizeTimer);
- this._sizeTimer = setTimeout(L.Util.bind(function () {
- this.fire('moveend');
- }, this), 200);
-
- return this;
- },
-
-
- // public methods for getting map state
-
- getCenter: function (unbounded) { // (Boolean)
- var viewHalf = this.getSize().divideBy(2),
- centerPoint = this._getTopLeftPoint().add(viewHalf);
- return this.unproject(centerPoint, this._zoom, unbounded);
- },
-
- getZoom: function () {
- return this._zoom;
- },
-
- getBounds: function () {
- var bounds = this.getPixelBounds(),
- sw = this.unproject(new L.Point(bounds.min.x, bounds.max.y), this._zoom, true),
- ne = this.unproject(new L.Point(bounds.max.x, bounds.min.y), this._zoom, true);
- 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 = isNaN(this.options.maxZoom) ? Infinity : this.options.maxZoom,
- z2 = this._layersMaxZoom || Infinity;
-
- return Math.min(z1, z2);
- },
-
- getBoundsZoom: function (bounds, inside) { // (LatLngBounds)
- 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(nePoint.x - swPoint.x, 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;
- },
-
- getPixelBounds: function () {
- var topLeftPoint = this._getTopLeftPoint(),
- size = this.getSize();
- return new L.Bounds(topLeftPoint, topLeftPoint.add(size));
- },
-
- getPixelOrigin: function () {
- return this._initialTopLeftPoint;
- },
-
- getPanes: function () {
- return this._panes;
- },
-
-
- // conversion methods
-
- 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));
- },
-
- containerPointToLayerPoint: function (point) { // (Point)
- return point.subtract(L.DomUtil.getPosition(this._mapPane));
- },
-
- layerPointToContainerPoint: function (point) { // (Point)
- return point.add(L.DomUtil.getPosition(this._mapPane));
- },
-
- layerPointToLatLng: function (point) { // (Point)
- return this.unproject(point.add(this._initialTopLeftPoint));
- },
-
- latLngToLayerPoint: function (latlng) { // (LatLng)
- return this.project(latlng)._round()._subtract(this._initialTopLeftPoint);
- },
-
- project: function (latlng, zoom) { // (LatLng[, Number]) -> Point
- zoom = (typeof zoom === 'undefined' ? this._zoom : zoom);
- return this.options.crs.latLngToPoint(latlng, this.options.scale(zoom));
- },
-
- unproject: function (point, zoom, unbounded) { // (Point[, Number, Boolean]) -> LatLng
- zoom = (typeof zoom === 'undefined' ? this._zoom : zoom);
- return this.options.crs.pointToLatLng(point, this.options.scale(zoom), unbounded);
- },
-
-
- // private methods that modify map state
-
- _initLayout: function () {
- var container = this._container;
-
- container.innerHTML = '';
-
- container.className += ' leaflet-container';
-
- if (this.options.fadeAnimation) {
- container.className += ' leaflet-fade-anim';
- }
-
- var position = L.DomUtil.getStyle(container, 'position');
- if (position !== 'absolute' && position !== 'relative') {
- 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);
- this._objectsPane = 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');
- },
-
- _createPane: function (className, container) {
- return L.DomUtil.create('div', className, container || this._objectsPane);
- },
-
- _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 {
- var offset = L.DomUtil.getPosition(this._mapPane);
- this._initialTopLeftPoint._add(offset);
- }
-
- this._tileLayersToLoad = this._tileLayersNum;
- this.fire('viewreset', {hard: !preserveMapOffset});
-
- this.fire('move');
- if (zoomChanged || afterZoomAnim) {
- this.fire('zoomend');
- }
- this.fire('moveend');
-
- if (!this._loaded) {
- this._loaded = true;
- this.fire('load');
- }
- },
-
- _initLayers: function (layers) {
- this._layers = {};
-
- var i, len;
-
- for (i = 0, len = layers.length; i < len; i++) {
- this.addLayer(layers[i]);
- }
- },
-
- _initControls: function () {
- if (this.options.zoomControl) {
- this.addControl(new L.Control.Zoom());
- }
- if (this.options.attributionControl) {
- this.attributionControl = new L.Control.Attribution();
- this.addControl(this.attributionControl);
- }
- },
-
- _rawPanBy: function (offset) {
- var mapPaneOffset = L.DomUtil.getPosition(this._mapPane);
- L.DomUtil.setPosition(this._mapPane, mapPaneOffset.subtract(offset));
- },
-
-
- // map events
-
- _initEvents: function () {
- L.DomEvent.addListener(this._container, 'click', this._onMouseClick, this);
-
- var events = ['dblclick', 'mousedown', 'mouseenter', 'mouseleave', 'mousemove', 'contextmenu'];
-
- var i, len;
-
- for (i = 0, len = events.length; i < len; i++) {
- L.DomEvent.addListener(this._container, events[i], this._fireMouseEvent, this);
- }
-
- if (this.options.trackResize) {
- L.DomEvent.addListener(window, 'resize', this._onResize, this);
- }
- },
-
- _onResize: function () {
- L.Util.requestAnimFrame(this.invalidateSize, this, false, this._container);
- },
-
- _onMouseClick: function (e) {
- if (!this._loaded || (this.dragging && this.dragging.moved())) {
- return;
- }
-
- this.fire('pre' + e.type);
- 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);
- }
-
- this.fire(type, {
- latlng: this.mouseEventToLatLng(e),
- layerPoint: this.mouseEventToLayerPoint(e)
- });
- },
-
- _initInteraction: function () {
- var handlers = {
- dragging: L.Map.Drag,
- touchZoom: L.Map.TouchZoom,
- doubleClickZoom: L.Map.DoubleClickZoom,
- scrollWheelZoom: L.Map.ScrollWheelZoom,
- boxZoom: L.Map.BoxZoom
- };
-
- var i;
- for (i in handlers) {
- if (handlers.hasOwnProperty(i) && handlers[i]) {
- this[i] = new handlers[i](this);
- if (this.options[i]) {
- this[i].enable();
- }
- // TODO move enabling to handler contructor
- }
- }
- },
-
- _onTileLayerLoad: function () {
- // 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.Util.bind(this._clearTileBg, this), 500);
- }
- },
-
-
- // private methods for getting map state
-
- _getTopLeftPoint: function () {
- if (!this._loaded) {
- throw new Error('Set map center and zoom first.');
- }
-
- var offset = L.DomUtil.getPosition(this._mapPane);
- return this._initialTopLeftPoint.subtract(offset);
- },
-
- _getNewTopLeftPoint: function (center) {
- var viewHalf = this.getSize().divideBy(2);
- return this.project(center).subtract(viewHalf).round();
- },
-
- _limitZoom: function (zoom) {
- var min = this.getMinZoom();
- var max = this.getMaxZoom();
- return Math.max(min, Math.min(max, zoom));
- }
-});
-
-
-
-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*/ unbounded) /*-> 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, unbounded);
- }
-};
-
-
-
-L.CRS.EPSG3395 = L.Util.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: '',
- opacity: 1,
- scheme: 'xyz',
- continuousWorld: false,
- noWrap: false,
- zoomOffset: 0,
- zoomReverse: false,
-
- unloadInvisibleTiles: L.Browser.mobile,
- updateWhenIdle: L.Browser.mobile
- },
-
- initialize: function (url, options, urlParams) {
- L.Util.setOptions(this, options);
-
- this._url = url;
- this._urlParams = urlParams;
-
- if (typeof this.options.subdomains === 'string') {
- this.options.subdomains = this.options.subdomains.split('');
- }
- },
-
- onAdd: function (map, insertAtTheBottom) {
- this._map = map;
- this._insertAtTheBottom = insertAtTheBottom;
-
- // 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, this);
-
- if (this.options.updateWhenIdle) {
- map.on('moveend', this._update, this);
- } else {
- this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this);
- map.on('move', this._limitedUpdate, this);
- }
-
- this._reset();
- this._update();
- },
-
- onRemove: function (map) {
- this._map.getPanes().tilePane.removeChild(this._container);
- this._container = null;
-
- this._map.off('viewreset', this._resetCallback, this);
-
- if (this.options.updateWhenIdle) {
- this._map.off('moveend', this._update, this);
- } else {
- this._map.off('move', this._limitedUpdate, this);
- }
- },
-
- getAttribution: function () {
- return this.options.attribution;
- },
-
- setOpacity: function (opacity) {
- this.options.opacity = opacity;
-
- this._setOpacity(opacity);
-
- // stupid webkit hack to force redrawing of tiles
- if (L.Browser.webkit) {
- for (var i in this._tiles) {
- if (this._tiles.hasOwnProperty(i)) {
- this._tiles[i].style.webkitTransform += ' translate(0,0)';
- }
- }
- }
- },
-
- _setOpacity: function (opacity) {
- if (opacity < 1) {
- L.DomUtil.setOpacity(this._container, opacity);
- }
- },
-
- _initContainer: function () {
- var tilePane = this._map.getPanes().tilePane,
- first = tilePane.firstChild;
-
- if (!this._container || tilePane.empty) {
- this._container = L.DomUtil.create('div', 'leaflet-layer');
-
- if (this._insertAtTheBottom && first) {
- tilePane.insertBefore(this._container, first);
- } else {
- tilePane.appendChild(this._container);
- }
-
- this._setOpacity(this.options.opacity);
- }
- },
-
- _resetCallback: function (e) {
- this._reset(e.hard);
- },
-
- _reset: function (clearOldContainer) {
- var key;
- for (key in this._tiles) {
- if (this._tiles.hasOwnProperty(key)) {
- this.fire("tileunload", {tile: this._tiles[key]});
- }
- }
- this._tiles = {};
-
- if (this.options.reuseTiles) {
- this._unusedTiles = [];
- }
-
- if (clearOldContainer && this._container) {
- this._container.innerHTML = "";
- }
- this._initContainer();
- },
-
- _update: function () {
- var bounds = this._map.getPixelBounds(),
- tileSize = this.options.tileSize;
-
- 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();
-
- for (var j = bounds.min.y; j <= bounds.max.y; j++) {
- for (var i = bounds.min.x; i <= bounds.max.x; i++) {
- if ((i + ':' + j) in this._tiles) {
- continue;
- }
- queue.push(new L.Point(i, j));
- }
- }
-
- // 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();
-
- this._tilesToLoad = queue.length;
- for (var k = 0, len = this._tilesToLoad; k < len; k++) {
- this._addTile(queue[k], fragment);
- }
-
- this._container.appendChild(fragment);
- },
-
- _removeOtherTiles: function (bounds) {
- var kArr, x, y, key, tile;
-
- 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) {
-
- tile = this._tiles[key];
- this.fire("tileunload", {tile: tile, url: tile.src});
-
- // evil, don't do this! crashes Android 3, produces load errors, doesn't solve memory leaks
- // this._tiles[key].src = '';
-
- if (tile.parentNode === this._container) {
- this._container.removeChild(tile);
- }
- if (this.options.reuseTiles) {
- this._unusedTiles.push(this._tiles[key]);
- }
- delete this._tiles[key];
- }
- }
- }
- },
-
- _addTile: function (tilePoint, container) {
- var tilePos = this._getTilePos(tilePoint),
- zoom = this._map.getZoom(),
- key = tilePoint.x + ':' + tilePoint.y,
- tileLimit = Math.pow(2, this._getOffsetZoom(zoom));
-
- // wrap tile coordinates
- if (!this.options.continuousWorld) {
- if (!this.options.noWrap) {
- tilePoint.x = ((tilePoint.x % tileLimit) + tileLimit) % tileLimit;
- } else if (tilePoint.x < 0 || tilePoint.x >= tileLimit) {
- this._tilesToLoad--;
- return;
- }
-
- if (tilePoint.y < 0 || tilePoint.y >= tileLimit) {
- this._tilesToLoad--;
- return;
- }
- }
-
- // get unused tile - or create a new tile
- var tile = this._getTile();
- L.DomUtil.setPosition(tile, tilePos);
-
- this._tiles[key] = tile;
-
- if (this.options.scheme === 'tms') {
- tilePoint.y = tileLimit - tilePoint.y - 1;
- }
-
- this._loadTile(tile, tilePoint, zoom);
-
- container.appendChild(tile);
- },
-
- _getOffsetZoom: function (zoom) {
- zoom = this.options.zoomReverse ? this.options.maxZoom - zoom : zoom;
- return zoom + this.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, zoom) {
- var subdomains = this.options.subdomains,
- s = this.options.subdomains[(tilePoint.x + tilePoint.y) % subdomains.length];
-
- return L.Util.template(this._url, L.Util.extend({
- s: s,
- z: this._getOffsetZoom(zoom),
- x: tilePoint.x,
- y: tilePoint.y
- }, this._urlParams));
- },
-
- _createTileProto: function () {
- this._tileImg = L.DomUtil.create('img', 'leaflet-tile');
- this._tileImg.galleryimg = 'no';
-
- var tileSize = this.options.tileSize;
- this._tileImg.style.width = tileSize + 'px';
- this._tileImg.style.height = tileSize + 'px';
- },
-
- _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, zoom) {
- tile._layer = this;
- tile.onload = this._tileOnLoad;
- tile.onerror = this._tileOnError;
- tile.src = this.getTileUrl(tilePoint, zoom);
- },
-
- _tileOnLoad: function (e) {
- var layer = this._layer;
-
- this.className += ' leaflet-tile-loaded';
-
- layer.fire('tileload', {tile: this, url: this.src});
-
- layer._tilesToLoad--;
- if (!layer._tilesToLoad) {
- layer.fire('load');
- }
- },
-
- _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;
- }
- }
-});
-
-
-L.TileLayer.WMS = L.TileLayer.extend({
- defaultWmsParams: {
- service: 'WMS',
- request: 'GetMap',
- version: '1.1.1',
- layers: '',
- styles: '',
- format: 'image/jpeg',
- transparent: false
- },
-
- initialize: function (/*String*/ url, /*Object*/ options) {
- this._url = url;
-
- this.wmsParams = L.Util.extend({}, this.defaultWmsParams);
- this.wmsParams.width = this.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)) {
- this.wmsParams[i] = options[i];
- }
- }
-
- L.Util.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 (/*Point*/ tilePoint, /*Number*/ zoom)/*-> String*/ {
- var tileSize = this.options.tileSize,
- nwPoint = tilePoint.multiplyBy(tileSize),
- sePoint = nwPoint.add(new L.Point(tileSize, tileSize)),
- nwMap = this._map.unproject(nwPoint, this._zoom, true),
- seMap = this._map.unproject(sePoint, this._zoom, true),
- nw = this._map.options.crs.project(nwMap),
- se = this._map.options.crs.project(seMap),
- bbox = [nw.x, se.y, se.x, nw.y].join(',');
-
- return this._url + L.Util.getParamString(this.wmsParams) + "&bbox=" + bbox;
- }
-});
-
-
-L.TileLayer.Canvas = L.TileLayer.extend({
- options: {
- async: false
- },
-
- initialize: function (options) {
- L.Util.setOptions(this, options);
- },
-
- redraw: function () {
- for (var i in this._tiles) {
- var tile = this._tiles[i];
- this._redrawTile(tile);
- }
- },
-
- _redrawTile: function (tile) {
- this.drawTile(tile, tile._tilePoint, tile._zoom);
- },
-
- _createTileProto: function () {
- this._canvasProto = L.DomUtil.create('canvas', 'leaflet-tile');
-
- var tileSize = this.options.tileSize;
- this._canvasProto.width = tileSize;
- this._canvasProto.height = tileSize;
- },
-
- _createTile: function () {
- var tile = this._canvasProto.cloneNode(false);
- tile.onselectstart = tile.onmousemove = L.Util.falseFn;
- return tile;
- },
-
- _loadTile: function (tile, tilePoint, zoom) {
- tile._layer = this;
- tile._tilePoint = tilePoint;
- tile._zoom = zoom;
-
- this.drawTile(tile, tilePoint, zoom);
-
- if (!this.options.async) {
- this.tileDrawn(tile);
- }
- },
-
- drawTile: function (tile, tilePoint, zoom) {
- // override with rendering code
- },
-
- tileDrawn: function (tile) {
- this._tileOnLoad.call(tile);
- }
-});
-
-
-L.ImageOverlay = L.Class.extend({
- includes: L.Mixin.Events,
-
- initialize: function (/*String*/ url, /*LatLngBounds*/ bounds) {
- this._url = url;
- this._bounds = bounds;
- },
-
- onAdd: function (map) {
- this._map = map;
-
- if (!this._image) {
- this._initImage();
- }
-
- map.getPanes().overlayPane.appendChild(this._image);
-
- map.on('viewreset', this._reset, this);
- this._reset();
- },
-
- onRemove: function (map) {
- map.getPanes().overlayPane.removeChild(this._image);
- map.off('viewreset', this._reset, this);
- },
-
- _initImage: function () {
- this._image = L.DomUtil.create('img', 'leaflet-image-layer');
-
- this._image.style.visibility = 'hidden';
- //TODO opacity option
-
- //TODO createImage util method to remove duplication
- L.Util.extend(this._image, {
- galleryimg: 'no',
- onselectstart: L.Util.falseFn,
- onmousemove: L.Util.falseFn,
- onload: L.Util.bind(this._onImageLoad, this),
- src: this._url
- });
- },
-
- _reset: function () {
- var topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
- bottomRight = this._map.latLngToLayerPoint(this._bounds.getSouthEast()),
- size = bottomRight.subtract(topLeft);
-
- L.DomUtil.setPosition(this._image, topLeft);
-
- this._image.style.width = size.x + 'px';
- this._image.style.height = size.y + 'px';
- },
-
- _onImageLoad: function () {
- this._image.style.visibility = '';
- this.fire('load');
- }
-});
-
-
-L.Icon = L.Class.extend({
- iconUrl: L.ROOT_URL + 'images/marker.png',
- shadowUrl: L.ROOT_URL + 'images/marker-shadow.png',
-
- iconSize: new L.Point(25, 41),
- shadowSize: new L.Point(41, 41),
-
- iconAnchor: new L.Point(13, 41),
- popupAnchor: new L.Point(0, -33),
-
- initialize: function (iconUrl) {
- if (iconUrl) {
- this.iconUrl = iconUrl;
- }
- },
-
- createIcon: function () {
- return this._createIcon('icon');
- },
-
- createShadow: function () {
- return this._createIcon('shadow');
- },
-
- _createIcon: function (name) {
- var size = this[name + 'Size'],
- src = this[name + 'Url'];
- if (!src && name === 'shadow') {
- return null;
- }
-
- var img;
- if (!src) {
- img = this._createDiv();
- }
- else {
- img = this._createImg(src);
- }
-
- img.className = 'leaflet-marker-' + name;
-
- img.style.marginLeft = (-this.iconAnchor.x) + 'px';
- img.style.marginTop = (-this.iconAnchor.y) + 'px';
-
- if (size) {
- img.style.width = size.x + 'px';
- img.style.height = size.y + 'px';
- }
-
- return img;
- },
-
- _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;
- },
-
- _createDiv: function () {
- return document.createElement('div');
- }
-});
-
-
-/*
- * 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(),
- title: '',
- clickable: true,
- draggable: false,
- zIndexOffset: 0
- },
-
- initialize: function (latlng, options) {
- L.Util.setOptions(this, options);
- this._latlng = latlng;
- },
-
- onAdd: function (map) {
- this._map = map;
-
- this._initIcon();
-
- map.on('viewreset', this._reset, this);
- this._reset();
- },
-
- onRemove: function (map) {
- this._removeIcon();
-
- // TODO move to Marker.Popup.js
- if (this.closePopup) {
- this.closePopup();
- }
-
- this._map = null;
-
- map.off('viewreset', this._reset, this);
- },
-
- getLatLng: function () {
- return this._latlng;
- },
-
- setLatLng: function (latlng) {
- this._latlng = latlng;
- if (this._icon) {
- this._reset();
-
- if (this._popup) {
- this._popup.setLatLng(this._latlng);
- }
- }
- },
-
- setIcon: function (icon) {
- if (this._map) {
- this._removeIcon();
- }
-
- this.options.icon = icon;
-
- if (this._map) {
- this._initIcon();
- this._reset();
- }
- },
-
- _initIcon: function () {
- if (!this._icon) {
- this._icon = this.options.icon.createIcon();
-
- if (this.options.title) {
- this._icon.title = this.options.title;
- }
-
- this._initInteraction();
- }
- if (!this._shadow) {
- this._shadow = this.options.icon.createShadow();
- }
-
- this._map._panes.markerPane.appendChild(this._icon);
- if (this._shadow) {
- this._map._panes.shadowPane.appendChild(this._shadow);
- }
- },
-
- _removeIcon: function () {
- this._map._panes.markerPane.removeChild(this._icon);
- if (this._shadow) {
- this._map._panes.shadowPane.removeChild(this._shadow);
- }
- this._icon = this._shadow = null;
- },
-
- _reset: function () {
- var pos = this._map.latLngToLayerPoint(this._latlng).round();
-
- L.DomUtil.setPosition(this._icon, pos);
- if (this._shadow) {
- L.DomUtil.setPosition(this._shadow, pos);
- }
-
- this._icon.style.zIndex = pos.y + this.options.zIndexOffset;
- },
-
- _initInteraction: function () {
- if (this.options.clickable) {
- this._icon.className += ' leaflet-clickable';
-
- L.DomEvent.addListener(this._icon, 'click', this._onMouseClick, this);
-
- var events = ['dblclick', 'mousedown', 'mouseover', 'mouseout'];
- for (var i = 0; i < events.length; i++) {
- L.DomEvent.addListener(this._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) {
- L.DomEvent.stopPropagation(e);
- if (this.dragging && this.dragging.moved()) { return; }
- this.fire(e.type);
- },
-
- _fireMouseEvent: function (e) {
- this.fire(e.type);
- L.DomEvent.stopPropagation(e);
- }
-});
-
-
-
-L.Popup = L.Class.extend({
- includes: L.Mixin.Events,
-
- options: {
- minWidth: 50,
- maxWidth: 300,
- autoPan: true,
- closeButton: true,
- offset: new L.Point(0, 2),
- autoPanPadding: new L.Point(5, 5),
- className: ''
- },
-
- initialize: function (options, source) {
- L.Util.setOptions(this, options);
-
- this._source = source;
- },
-
- onAdd: function (map) {
- this._map = map;
- if (!this._container) {
- this._initLayout();
- }
- this._updateContent();
-
- this._container.style.opacity = '0';
-
- this._map._panes.popupPane.appendChild(this._container);
- this._map.on('viewreset', this._updatePosition, this);
-
- if (this._map.options.closePopupOnClick) {
- this._map.on('preclick', this._close, this);
- }
-
- this._update();
-
- this._container.style.opacity = '1'; //TODO fix ugly opacity hack
-
- this._opened = true;
- },
-
- onRemove: function (map) {
- map._panes.popupPane.removeChild(this._container);
- L.Util.falseFn(this._container.offsetWidth);
-
- map.off('viewreset', this._updatePosition, this);
- map.off('click', this._close, this);
-
- this._container.style.opacity = '0';
-
- this._opened = false;
- },
-
- setLatLng: function (latlng) {
- this._latlng = latlng;
- if (this._opened) {
- this._update();
- }
- return this;
- },
-
- setContent: function (content) {
- this._content = content;
- if (this._opened) {
- this._update();
- }
- return this;
- },
-
- _close: function () {
- if (this._opened) {
- this._map.closePopup();
- }
- },
-
- _initLayout: function () {
- this._container = L.DomUtil.create('div', 'leaflet-popup ' + this.options.className);
-
- if (this.options.closeButton) {
- this._closeButton = L.DomUtil.create('a', 'leaflet-popup-close-button', this._container);
- this._closeButton.href = '#close';
- L.DomEvent.addListener(this._closeButton, 'click', this._onCloseButtonClick, this);
- }
-
- this._wrapper = L.DomUtil.create('div', 'leaflet-popup-content-wrapper', this._container);
- L.DomEvent.disableClickPropagation(this._wrapper);
- this._contentNode = L.DomUtil.create('div', 'leaflet-popup-content', this._wrapper);
-
- this._tipContainer = L.DomUtil.create('div', 'leaflet-popup-tip-container', this._container);
- this._tip = L.DomUtil.create('div', 'leaflet-popup-tip', this._tipContainer);
- },
-
- _update: function () {
- 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 {
- this._contentNode.innerHTML = '';
- this._contentNode.appendChild(this._content);
- }
- },
-
- _updateLayout: function () {
- this._container.style.width = '';
- this._container.style.whiteSpace = 'nowrap';
-
- var width = this._container.offsetWidth;
-
- this._container.style.width = (width > this.options.maxWidth ?
- this.options.maxWidth : (width < this.options.minWidth ? this.options.minWidth : width)) + 'px';
- this._container.style.whiteSpace = '';
-
- this._containerWidth = this._container.offsetWidth;
- },
-
- _updatePosition: function () {
- var pos = this._map.latLngToLayerPoint(this._latlng);
-
- this._containerBottom = -pos.y - this.options.offset.y;
- this._containerLeft = pos.x - Math.round(this._containerWidth / 2) + this.options.offset.x;
-
- this._container.style.bottom = this._containerBottom + 'px';
- this._container.style.left = this._containerLeft + 'px';
- },
-
- _adjustPan: function () {
- if (!this.options.autoPan) {
- return;
- }
-
- var containerHeight = this._container.offsetHeight,
- layerPos = new L.Point(
- this._containerLeft,
- -containerHeight - this._containerBottom),
- containerPos = this._map.layerPointToContainerPoint(layerPos),
- adjustOffset = new L.Point(0, 0),
- padding = this.options.autoPanPadding,
- size = this._map.getSize();
-
- if (containerPos.x < 0) {
- adjustOffset.x = containerPos.x - padding.x;
- }
- if (containerPos.x + this._containerWidth > size.x) {
- adjustOffset.x = containerPos.x + this._containerWidth - size.x + padding.x;
- }
- if (containerPos.y < 0) {
- adjustOffset.y = containerPos.y - padding.y;
- }
- if (containerPos.y + containerHeight > size.y) {
- adjustOffset.y = containerPos.y + containerHeight - size.y + padding.y;
- }
-
- if (adjustOffset.x || adjustOffset.y) {
- this._map.panBy(adjustOffset);
- }
- },
-
- _onCloseButtonClick: function (e) {
- this._close();
- L.DomEvent.stop(e);
- }
-});
-
-
-/*
- * Popup extension to L.Marker, adding openPopup & bindPopup methods.
- */
-
-L.Marker.include({
- openPopup: function () {
- this._popup.setLatLng(this._latlng);
- if (this._map) {
- this._map.openPopup(this._popup);
- }
-
- return this;
- },
-
- closePopup: function () {
- if (this._popup) {
- this._popup._close();
- }
- return this;
- },
-
- bindPopup: function (content, options) {
- options = L.Util.extend({offset: this.options.icon.popupAnchor}, options);
-
- if (!this._popup) {
- this.on('click', this.openPopup, this);
- }
-
- this._popup = new L.Popup(options, this);
- this._popup.setContent(content);
-
- return this;
- },
-
- unbindPopup: function () {
- if (this._popup) {
- this._popup = null;
- this.off('click', this.openPopup);
- }
- return this;
- }
-});
-
-
-
-L.Map.include({
- openPopup: function (popup) {
- this.closePopup();
- this._popup = popup;
- this.addLayer(popup);
- this.fire('popupopen', { popup: this._popup });
-
- return this;
- },
-
- closePopup: function () {
- if (this._popup) {
- this.removeLayer(this._popup);
- this.fire('popupclose', { popup: this._popup });
- this._popup = null;
- }
- 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 = {};
-
- if (layers) {
- for (var i = 0, len = layers.length; i < len; i++) {
- this.addLayer(layers[i]);
- }
- }
- },
-
- addLayer: function (layer) {
- var id = L.Util.stamp(layer);
- this._layers[id] = layer;
-
- if (this._map) {
- this._map.addLayer(layer);
- }
- return this;
- },
-
- removeLayer: function (layer) {
- var id = L.Util.stamp(layer);
- delete this._layers[id];
-
- if (this._map) {
- this._map.removeLayer(layer);
- }
- return this;
- },
-
- clearLayers: function () {
- this._iterateLayers(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._iterateLayers(map.addLayer, map);
- },
-
- onRemove: function (map) {
- this._iterateLayers(map.removeLayer, map);
- delete this._map;
- },
-
- _iterateLayers: function (method, context) {
- for (var i in this._layers) {
- if (this._layers.hasOwnProperty(i)) {
- method.call(context, this._layers[i]);
- }
- }
- }
-});
-
-
-/*
- * 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,
-
- addLayer: function (layer) {
- this._initEvents(layer);
- L.LayerGroup.prototype.addLayer.call(this, layer);
-
- if (this._popupContent && layer.bindPopup) {
- layer.bindPopup(this._popupContent);
- }
- },
-
- bindPopup: function (content) {
- this._popupContent = content;
-
- return this.invoke('bindPopup', content);
- },
-
- setStyle: function (style) {
- return this.invoke('setStyle', style);
- },
-
- _events: ['click', 'dblclick', 'mouseover', 'mouseout'],
-
- _initEvents: function (layer) {
- for (var i = 0, len = this._events.length; i < len; i++) {
- layer.on(this._events[i], this._propagateEvent, this);
- }
- },
-
- _propagateEvent: function (e) {
- e.layer = e.target;
- e.target = this;
- this.fire(e.type, e);
- }
-});
-
-
-/*
- * L.Path is a base class for rendering vector paths on a map. It's 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)
- CLIP_PADDING: 0.5
- },
-
- options: {
- stroke: true,
- color: '#0033ff',
- weight: 5,
- opacity: 0.5,
-
- fill: false,
- fillColor: null, //same as color by default
- fillOpacity: 0.2,
-
- clickable: true,
-
- // TODO remove this, as all paths now update on moveend
- updateOnMoveEnd: true
- },
-
- initialize: function (options) {
- L.Util.setOptions(this, options);
- },
-
- onAdd: function (map) {
- this._map = map;
-
- this._initElements();
- this._initEvents();
- this.projectLatlngs();
- this._updatePath();
-
- map.on('viewreset', this.projectLatlngs, this);
-
- this._updateTrigger = this.options.updateOnMoveEnd ? 'moveend' : 'viewreset';
- map.on(this._updateTrigger, this._updatePath, this);
- },
-
- onRemove: function (map) {
- this._map = null;
-
- map._pathRoot.removeChild(this._container);
-
- map.off('viewreset', this.projectLatlngs, this);
- map.off(this._updateTrigger, this._updatePath, this);
- },
-
- projectLatlngs: function () {
- // do all projection stuff here
- },
-
- setStyle: function (style) {
- L.Util.setOptions(this, style);
- if (this._container) {
- this._updateStyle();
- }
- return this;
- },
-
- _redraw: function () {
- if (this._map) {
- this.projectLatlngs();
- this._updatePath();
- }
- }
-});
-
-L.Map.include({
- _updatePathViewport: function () {
- var p = L.Path.CLIP_PADDING,
- size = this.getSize(),
- //TODO this._map._getMapPanePos()
- panePos = L.DomUtil.getPosition(this._mapPane),
- min = panePos.multiplyBy(-1).subtract(size.multiplyBy(p)),
- max = min.add(size.multiplyBy(1 + p * 2));
-
- 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,
- _createElement: function (name) {
- return document.createElementNS(L.Path.SVG_NS, name);
- }
- },
-
- getPathString: function () {
- // form path string here
- },
-
- _initElements: function () {
- this._map._initPathRoot();
- this._initPath();
- this._initStyle();
- },
-
- _initPath: function () {
- this._container = L.Path._createElement('g');
-
- this._path = L.Path._createElement('path');
- this._container.appendChild(this._path);
-
- this._map._pathRoot.appendChild(this._container);
- },
-
- _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');
- } else {
- this._path.setAttribute('fill', 'none');
- }
- this._updateStyle();
- },
-
- _updateStyle: function () {
- if (this.options.stroke) {
- this._path.setAttribute('stroke', this.options.color);
- this._path.setAttribute('stroke-opacity', this.options.opacity);
- this._path.setAttribute('stroke-width', this.options.weight);
- }
- if (this.options.fill) {
- this._path.setAttribute('fill', this.options.fillColor || this.options.color);
- this._path.setAttribute('fill-opacity', this.options.fillOpacity);
- }
- },
-
- _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.vml) {
- this._path.setAttribute('class', 'leaflet-clickable');
- }
-
- L.DomEvent.addListener(this._container, 'click', this._onMouseClick, this);
-
- var events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'mousemove'];
- for (var i = 0; i < events.length; i++) {
- L.DomEvent.addListener(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;
- }
- this.fire(e.type, {
- latlng: this._map.mouseEventToLatLng(e),
- layerPoint: this._map.mouseEventToLayerPoint(e)
- });
- L.DomEvent.stopPropagation(e);
- }
-});
-
-L.Map.include({
- _initPathRoot: function () {
- if (!this._pathRoot) {
- this._pathRoot = L.Path._createElement('svg');
- this._panes.overlayPane.appendChild(this._pathRoot);
-
- this.on('moveend', this._updateSvgViewport);
- this._updateSvgViewport();
- }
- },
-
- _updateSvgViewport: function () {
- 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
- // Unfortunately I haven't found a good workaround for this yet
- if (L.Browser.webkit) {
- 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.webkit) {
- pane.appendChild(root);
- }
- }
-});
-
-
-/*
- * Popup extension to L.Path (polylines, polygons, circles), adding bindPopup method.
- */
-
-L.Path.include({
- bindPopup: function (content, options) {
- if (!this._popup || this._popup.options !== options) {
- this._popup = new L.Popup(options, this);
- }
- this._popup.setContent(content);
-
- if (!this._openPopupAdded) {
- this.on('click', this._openPopup, this);
- this._openPopupAdded = true;
- }
-
- 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 = (function () {
- var d = document.createElement('div'), s;
- d.innerHTML = '<v:shape adj="1"/>';
- s = d.firstChild;
- s.style.behavior = 'url(#default#VML)';
-
- return (s && (typeof s.adj === 'object'));
-}());
-
-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 () {
- this._container = L.Path._createElement('shape');
- this._container.className += ' leaflet-vml-shape' +
- (this.options.clickable ? ' leaflet-clickable' : '');
- this._container.coordsize = '1 1';
-
- this._path = L.Path._createElement('path');
- this._container.appendChild(this._path);
-
- this._map._pathRoot.appendChild(this._container);
- },
-
- _initStyle: function () {
- if (this.options.stroke) {
- this._stroke = L.Path._createElement('stroke');
- this._stroke.endcap = 'round';
- this._container.appendChild(this._stroke);
- } else {
- this._container.stroked = false;
- }
- if (this.options.fill) {
- this._container.filled = true;
- this._fill = L.Path._createElement('fill');
- this._container.appendChild(this._fill);
- } else {
- this._container.filled = false;
- }
- this._updateStyle();
- },
-
- _updateStyle: function () {
- if (this.options.stroke) {
- this._stroke.weight = this.options.weight + 'px';
- this._stroke.color = this.options.color;
- this._stroke.opacity = this.options.opacity;
- }
- if (this.options.fill) {
- this._fill.color = this.options.fillColor || this.options.color;
- this._fill.opacity = this.options.fillOpacity;
- }
- },
-
- _updatePath: function () {
- this._container.style.display = 'none';
- this._path.v = this.getPathString() + ' '; // the space fixes IE empty path string bug
- this._container.style.display = '';
- }
-});
-
-L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : {
- _initPathRoot: function () {
- if (!this._pathRoot) {
- this._pathRoot = document.createElement('div');
- this._pathRoot.className = 'leaflet-vml-container';
- this._panes.overlayPane.appendChild(this._pathRoot);
-
- this.on('moveend', this._updatePathViewport);
- this._updatePathViewport();
- }
- }
-});
-
-
-/*
- * 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;
-
- var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
- codeB = this._getBitCode(b, bounds);
-
- // 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 {
- var 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 = latlngs;
- },
-
- options: {
- // how much to simplify the polyline on each zoom level
- // more = better performance and smoother look, less = more accurate
- smoothFactor: 1.0,
- noClip: false,
-
- updateOnMoveEnd: true
- },
-
- 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 = latlngs;
- this._redraw();
- return this;
- },
-
- addLatLng: function (latlng) {
- this._latlngs.push(latlng);
- this._redraw();
- return this;
- },
-
- spliceLatLngs: function (index, howMany) {
- var removed = [].splice.apply(this._latlngs, arguments);
- 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 point = L.LineUtil._sqClosestPointOnSegment(p, p1, p2);
- if (point._sqDist < minDistance) {
- minDistance = point._sqDist;
- minPoint = point;
- }
- }
- }
- if (minPoint) {
- minPoint.distance = Math.sqrt(minDistance);
- }
- return minPoint;
- },
-
- getBounds: function () {
- var b = new L.LatLngBounds();
- var latLngs = this.getLatLngs();
- for (var i = 0, len = latLngs.length; i < len; i++) {
- b.extend(latLngs[i]);
- }
- return b;
- },
-
- _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 () {
- this._clipPoints();
- this._simplifyPoints();
-
- L.Path.prototype._updatePath.call(this);
- }
-});
-
-
-/*
- * 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)) {
- this._latlngs = 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;
- }
-
- for (var i = 0, len = this._holes.length, hole; i < len; i++) {
- this._holePoints[i] = [];
-
- for (var 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) {
- continue;
- }
- 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');
- }
-});
-
-
-/*
- * 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._iterateLayers(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));
- }
- }
- });
- }
-
- L.MultiPolyline = createMulti(L.Polyline);
- L.MultiPolygon = createMulti(L.Polygon);
-}());
-
-
-/*
- * 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 = latlng;
- this._mRadius = radius;
- },
-
- options: {
- fill: true
- },
-
- setLatLng: function (latlng) {
- this._latlng = latlng;
- this._redraw();
- return this;
- },
-
- setRadius: function (radius) {
- this._mRadius = radius;
- this._redraw();
- return this;
- },
-
- projectLatlngs: function () {
- var equatorLength = 40075017,
- hLength = equatorLength * Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat);
-
- var lngSpan = (this._mRadius / hLength) * 360,
- latlng2 = new L.LatLng(this._latlng.lat, this._latlng.lng - lngSpan, true),
- point2 = this._map.latLngToLayerPoint(latlng2);
-
- this._point = this._map.latLngToLayerPoint(this._latlng);
- this._radius = Math.round(this._point.x - point2.x);
- },
-
- 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);
- }
- },
-
- _checkIfEmpty: function () {
- 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.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;
- this._redraw();
- return this;
- }
-});
-
-
-/*
- * 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
- },
-
- options: {
- updateOnMoveEnd: true
- },
-
- _initElements: function () {
- this._map._initPathRoot();
- this._ctx = this._map._canvasCtx;
- },
-
- _updateStyle: function () {
- if (this.options.stroke) {
- this._ctx.lineWidth = this.options.weight;
- this._ctx.strokeStyle = this.options.color;
- }
- if (this.options.fill) {
- this._ctx.fillStyle = this.options.fillColor || this.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;
- }
-
- this._drawPath();
-
- this._ctx.save();
-
- this._updateStyle();
-
- var opacity = this.options.opacity,
- fillOpacity = this.options.fillOpacity;
-
- if (this.options.fill) {
- if (fillOpacity < 1) {
- this._ctx.globalAlpha = fillOpacity;
- }
- this._ctx.fill();
- }
-
- if (this.options.stroke) {
- if (opacity < 1) {
- this._ctx.globalAlpha = opacity;
- }
- this._ctx.stroke();
- }
-
- this._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);
- }
- },
-
- onRemove: function (map) {
- map.off('viewreset', this._projectLatlngs, this);
- map.off(this._updateTrigger, this._updatePath, this);
- map.fire(this._updateTrigger);
- }
-});
-
-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);
-
- this.on('moveend', this._updateCanvasViewport);
- this._updateCanvasViewport();
- }
- },
-
- _updateCanvasViewport: function () {
- this._updatePathViewport();
-
- var vp = this._pathViewport,
- min = vp.min,
- size = vp.max.subtract(min),
- root = this._pathRoot;
-
- //TODO check if it's 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.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);
- },
-
- _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.Util.setOptions(this, options);
- this._geojson = geojson;
- this._layers = {};
-
- if (geojson) {
- this.addGeoJSON(geojson);
- }
- },
-
- addGeoJSON: function (geojson) {
- if (geojson.features) {
- for (var i = 0, len = geojson.features.length; i < len; i++) {
- this.addGeoJSON(geojson.features[i]);
- }
- return;
- }
-
- var isFeature = (geojson.type === 'Feature'),
- geometry = (isFeature ? geojson.geometry : geojson),
- layer = L.GeoJSON.geometryToLayer(geometry, this.options.pointToLayer);
-
- this.fire('featureparse', {
- layer: layer,
- properties: geojson.properties,
- geometryType: geometry.type,
- bbox: geojson.bbox,
- id: geojson.id
- });
-
- this.addLayer(layer);
- }
-});
-
-L.Util.extend(L.GeoJSON, {
- geometryToLayer: function (geometry, pointToLayer) {
- var coords = geometry.coordinates,
- latlng, latlngs,
- i, len,
- layer,
- layers = [];
-
- switch (geometry.type) {
- case 'Point':
- latlng = this.coordsToLatLng(coords);
- return pointToLayer ? pointToLayer(latlng) : new L.Marker(latlng);
-
- case 'MultiPoint':
- for (i = 0, len = coords.length; i < len; i++) {
- latlng = this.coordsToLatLng(coords[i]);
- layer = pointToLayer ? pointToLayer(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 (/*Array*/ coords, /*Boolean*/ reverse)/*: LatLng*/ {
- var lat = parseFloat(coords[reverse ? 0 : 1]),
- lng = parseFloat(coords[reverse ? 1 : 0]);
- return new L.LatLng(lat, lng, true);
- },
-
- coordsToLatLngs: function (/*Array*/ coords, /*Number*/ levelsDeep, /*Boolean*/ reverse)/*: Array*/ {
- var latlng, latlngs = [],
- i, len = coords.length;
-
- for (i = 0; i < len; i++) {
- latlng = levelsDeep ?
- this.coordsToLatLngs(coords[i], levelsDeep - 1, reverse) :
- this.coordsToLatLng(coords[i], reverse);
- latlngs.push(latlng);
- }
- return latlngs;
- }
-});
-
-
-/*
- * L.DomEvent contains functions for working with DOM events.
- */
-
-L.DomEvent = {
- /* inpired by John Resig, Dean Edwards and YUI addEvent implementations */
- addListener: function (/*HTMLElement*/ obj, /*String*/ type, /*Function*/ fn, /*Object*/ context) {
- var id = L.Util.stamp(fn),
- key = '_leaflet_' + type + id;
-
- if (obj[key]) {
- return;
- }
-
- var handler = function (e) {
- return fn.call(context || obj, e || L.DomEvent._getEvent());
- };
-
- if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
- 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')) {
- var 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;
- },
-
- removeListener: function (/*HTMLElement*/ obj, /*String*/ type, /*Function*/ fn) {
- var id = L.Util.stamp(fn),
- key = '_leaflet_' + type + id,
- handler = obj[key];
-
- if (!handler) {
- return;
- }
-
- 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;
- },
-
- _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 */ // evil magic for IE
- _getEvent: function () {
- 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 */
-
- stopPropagation: function (/*Event*/ e) {
- if (e.stopPropagation) {
- e.stopPropagation();
- } else {
- e.cancelBubble = true;
- }
- },
-
- disableClickPropagation: function (/*HTMLElement*/ el) {
- L.DomEvent.addListener(el, L.Draggable.START, L.DomEvent.stopPropagation);
- L.DomEvent.addListener(el, 'click', L.DomEvent.stopPropagation);
- L.DomEvent.addListener(el, 'dblclick', L.DomEvent.stopPropagation);
- },
-
- preventDefault: function (/*Event*/ e) {
- if (e.preventDefault) {
- e.preventDefault();
- } else {
- e.returnValue = false;
- }
- },
-
- stop: function (e) {
- L.DomEvent.preventDefault(e);
- L.DomEvent.stopPropagation(e);
- },
-
- getMousePosition: function (e, container) {
- var x = e.pageX ? e.pageX : e.clientX +
- document.body.scrollLeft + document.documentElement.scrollLeft,
- y = e.pageY ? e.pageY : e.clientY +
- document.body.scrollTop + document.documentElement.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;
- }
-};
-
-
-
-/*
- * 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) {
- this._element = element;
- this._dragStartTarget = dragStartTarget || element;
- },
-
- enable: function () {
- if (this._enabled) {
- return;
- }
- L.DomEvent.addListener(this._dragStartTarget, L.Draggable.START, this._onDown, this);
- this._enabled = true;
- },
-
- disable: function () {
- if (!this._enabled) {
- return;
- }
- L.DomEvent.removeListener(this._dragStartTarget, L.Draggable.START, this._onDown);
- this._enabled = false;
- },
-
- _onDown: function (e) {
- if ((!L.Browser.touch && e.shiftKey) || ((e.which !== 1) && (e.button !== 1) && !e.touches)) {
- return;
- }
-
- if (e.touches && e.touches.length > 1) {
- return;
- }
-
- var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
- el = first.target;
-
- L.DomEvent.preventDefault(e);
-
- if (L.Browser.touch && el.tagName.toLowerCase() === 'a') {
- el.className += ' leaflet-active';
- }
-
- this._moved = false;
- if (this._moving) {
- return;
- }
-
- if (!L.Browser.touch) {
- L.DomUtil.disableTextSelection();
- this._setMovingCursor();
- }
-
- this._startPos = this._newPos = L.DomUtil.getPosition(this._element);
- this._startPoint = new L.Point(first.clientX, first.clientY);
-
- L.DomEvent.addListener(document, L.Draggable.MOVE, this._onMove, this);
- L.DomEvent.addListener(document, L.Draggable.END, this._onUp, this);
- },
-
- _onMove: function (e) {
- if (e.touches && e.touches.length > 1) {
- return;
- }
-
- L.DomEvent.preventDefault(e);
-
- var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e);
-
- if (!this._moved) {
- this.fire('dragstart');
- this._moved = true;
- }
- this._moving = true;
-
- var newPoint = new L.Point(first.clientX, first.clientY);
- this._newPos = this._startPos.add(newPoint).subtract(this._startPoint);
-
- 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) {
- if (e.changedTouches) {
- var first = e.changedTouches[0],
- el = first.target,
- dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
-
- if (el.tagName.toLowerCase() === 'a') {
- el.className = el.className.replace(' leaflet-active', '');
- }
-
- if (dist < L.Draggable.TAP_TOLERANCE) {
- this._simulateEvent('click', first);
- }
- }
-
- if (!L.Browser.touch) {
- L.DomUtil.enableTextSelection();
- this._restoreCursor();
- }
-
- L.DomEvent.removeListener(document, L.Draggable.MOVE, this._onMove);
- L.DomEvent.removeListener(document, L.Draggable.END, this._onUp);
-
- if (this._moved) {
- this.fire('dragend');
- }
- this._moving = false;
- },
-
- _setMovingCursor: function () {
- this._bodyCursor = document.body.style.cursor;
- document.body.style.cursor = 'move';
- },
-
- _restoreCursor: function () {
- document.body.style.cursor = this._bodyCursor;
- },
-
- _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.Drag = L.Handler.extend({
- addHooks: function () {
- if (!this._draggable) {
- this._draggable = new L.Draggable(this._map._mapPane, this._map._container);
-
- this._draggable
- .on('dragstart', this._onDragStart, this)
- .on('drag', this._onDrag, this)
- .on('dragend', this._onDragEnd, this);
-
- var options = this._map.options;
-
- if (options.worldCopyJump && !options.continuousWorld) {
- this._draggable.on('predrag', this._onPreDrag, this);
- this._map.on('viewreset', this._onViewReset, this);
- }
- }
- this._draggable.enable();
- },
-
- removeHooks: function () {
- this._draggable.disable();
- },
-
- moved: function () {
- return this._draggable && this._draggable._moved;
- },
-
- _onDragStart: function () {
- this._map
- .fire('movestart')
- .fire('dragstart');
- },
-
- _onDrag: function () {
- 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);
- },
-
- _onPreDrag: function () {
- var map = this._map,
- worldWidth = map.options.scale(map.getZoom()),
- halfWidth = Math.round(worldWidth / 2),
- dx = this._initialWorldOffset.x,
- 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;
-
- map
- .fire('moveend')
- .fire('dragend');
-
- if (map.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.Handler.DoubleClickZoom is used internally by L.Map to add double-click zooming.
- */
-
-L.Map.DoubleClickZoom = L.Handler.extend({
- addHooks: function () {
- this._map.on('dblclick', this._onDoubleClick);
- // TODO remove 3d argument?
- },
-
- removeHooks: function () {
- this._map.off('dblclick', this._onDoubleClick);
- },
-
- _onDoubleClick: function (e) {
- this.setView(e.latlng, this._zoom + 1);
- }
-});
-
-
-/*
- * L.Handler.ScrollWheelZoom is used internally by L.Map to enable mouse scroll wheel zooming on the map.
- */
-
-L.Map.ScrollWheelZoom = L.Handler.extend({
- addHooks: function () {
- L.DomEvent.addListener(this._map._container, 'mousewheel', this._onWheelScroll, this);
- this._delta = 0;
- },
-
- removeHooks: function () {
- L.DomEvent.removeListener(this._map._container, 'mousewheel', this._onWheelScroll);
- },
-
- _onWheelScroll: function (e) {
- var delta = L.DomEvent.getWheelDelta(e);
- this._delta += delta;
- this._lastMousePos = this._map.mouseEventToContainerPoint(e);
-
- clearTimeout(this._timer);
- this._timer = setTimeout(L.Util.bind(this._performZoom, this), 50);
-
- L.DomEvent.preventDefault(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;
-
- if (!delta) {
- return;
- }
-
- var newCenter = this._getCenterForScrollWheelZoom(this._lastMousePos, delta),
- newZoom = zoom + delta;
-
- map.setView(newCenter, newZoom);
- },
-
- _getCenterForScrollWheelZoom: function (mousePos, delta) {
- var map = this._map,
- centerPoint = map.getPixelBounds().getCenter(),
- viewHalf = map.getSize().divideBy(2),
- centerOffset = mousePos.subtract(viewHalf).multiplyBy(1 - Math.pow(2, -delta)),
- newCenterPoint = centerPoint.add(centerOffset);
-
- return map.unproject(newCenterPoint, map._zoom, true);
- }
-});
-
-
-L.Util.extend(L.DomEvent, {
- // inspired by Zepto touch code by Thomas Fuchs
- addDoubleTapListener: function (obj, handler, id) {
- var last,
- doubleTap = false,
- delay = 250,
- touch,
- pre = '_leaflet_',
- touchstart = 'touchstart',
- touchend = 'touchend';
-
- function onTouchStart(e) {
- if (e.touches.length !== 1) {
- return;
- }
-
- var now = Date.now(),
- delta = now - (last || now);
-
- touch = e.touches[0];
- doubleTap = (delta > 0 && delta <= delay);
- last = now;
- }
- function onTouchEnd(e) {
- if (doubleTap) {
- touch.type = 'dblclick';
- handler(touch);
- last = null;
- }
- }
- obj[pre + touchstart + id] = onTouchStart;
- obj[pre + touchend + id] = onTouchEnd;
-
- obj.addEventListener(touchstart, onTouchStart, false);
- obj.addEventListener(touchend, onTouchEnd, false);
- },
-
- removeDoubleTapListener: function (obj, id) {
- var pre = '_leaflet_';
- obj.removeEventListener(obj, obj[pre + 'touchstart' + id], false);
- obj.removeEventListener(obj, obj[pre + 'touchend' + id], false);
- }
-});
-
-
-/*
- * L.Handler.TouchZoom is used internally by L.Map to add touch-zooming on Webkit-powered mobile browsers.
- */
-
-L.Map.TouchZoom = L.Handler.extend({
- addHooks: function () {
- L.DomEvent.addListener(this._map._container, 'touchstart', this._onTouchStart, this);
- },
-
- removeHooks: function () {
- L.DomEvent.removeListener(this._map._container, 'touchstart', this._onTouchStart, this);
- },
-
- _onTouchStart: function (e) {
- if (!e.touches || e.touches.length !== 2 || this._map._animatingZoom) {
- return;
- }
-
- var p1 = this._map.mouseEventToLayerPoint(e.touches[0]),
- p2 = this._map.mouseEventToLayerPoint(e.touches[1]),
- viewCenter = this._map.containerPointToLayerPoint(this._map.getSize().divideBy(2));
-
- this._startCenter = p1.add(p2).divideBy(2, true);
- this._startDist = p1.distanceTo(p2);
- //this._startTransform = this._map._mapPane.style.webkitTransform;
-
- this._moved = false;
- this._zooming = true;
-
- this._centerOffset = viewCenter.subtract(this._startCenter);
-
- L.DomEvent.addListener(document, 'touchmove', this._onTouchMove, this);
- L.DomEvent.addListener(document, 'touchend', this._onTouchEnd, this);
-
- L.DomEvent.preventDefault(e);
- },
-
- _onTouchMove: function (e) {
- if (!e.touches || e.touches.length !== 2) {
- return;
- }
-
- if (!this._moved) {
- this._map._mapPane.className += ' leaflet-zoom-anim';
-
- this._map
- .fire('zoomstart')
- .fire('movestart')
- ._prepareTileBg();
-
- this._moved = true;
- }
-
- var p1 = this._map.mouseEventToLayerPoint(e.touches[0]),
- p2 = this._map.mouseEventToLayerPoint(e.touches[1]);
-
- this._scale = p1.distanceTo(p2) / this._startDist;
- this._delta = p1.add(p2).divideBy(2, true).subtract(this._startCenter);
-
- // 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
-
- this._map._tileBg.style.webkitTransform = [
- L.DomUtil.getTranslateString(this._delta),
- L.DomUtil.getScaleString(this._scale, this._startCenter)
- ].join(" ");
-
- L.DomEvent.preventDefault(e);
- },
-
- _onTouchEnd: function (e) {
- if (!this._moved || !this._zooming) {
- return;
- }
- this._zooming = false;
-
- var oldZoom = this._map.getZoom(),
- floatZoomDelta = Math.log(this._scale) / Math.LN2,
- roundZoomDelta = (floatZoomDelta > 0 ? Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)),
- zoom = this._map._limitZoom(oldZoom + roundZoomDelta),
- zoomDelta = zoom - oldZoom,
- centerOffset = this._centerOffset.subtract(this._delta).divideBy(this._scale),
- centerPoint = this._map.getPixelOrigin().add(this._startCenter).add(centerOffset),
- center = this._map.unproject(centerPoint);
-
- L.DomEvent.removeListener(document, 'touchmove', this._onTouchMove);
- L.DomEvent.removeListener(document, 'touchend', this._onTouchEnd);
-
- var finalScale = Math.pow(2, zoomDelta);
-
- this._map._runAnimation(center, zoom, finalScale / this._scale, this._startCenter.add(centerOffset));
- }
-});
-
-
-/*
- * L.Handler.ShiftDragZoom is used internally by L.Map to add shift-drag zoom (zoom to a selected bounding box).
- */
-
-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.addListener(this._container, 'mousedown', this._onMouseDown, this);
- },
-
- removeHooks: function () {
- L.DomEvent.removeListener(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 move cursor to styles
- this._container.style.cursor = 'crosshair';
-
- L.DomEvent.addListener(document, 'mousemove', this._onMouseMove, this);
- L.DomEvent.addListener(document, 'mouseup', this._onMouseUp, this);
-
- L.DomEvent.preventDefault(e);
- },
-
- _onMouseMove: function (e) {
- var layerPoint = this._map.mouseEventToLayerPoint(e),
- dx = layerPoint.x - this._startLayerPoint.x,
- dy = layerPoint.y - this._startLayerPoint.y;
-
- var newX = Math.min(layerPoint.x, this._startLayerPoint.x),
- newY = Math.min(layerPoint.y, this._startLayerPoint.y),
- newPos = new L.Point(newX, newY);
-
- L.DomUtil.setPosition(this._box, newPos);
-
- this._box.style.width = (Math.abs(dx) - 4) + 'px';
- this._box.style.height = (Math.abs(dy) - 4) + 'px';
- },
-
- _onMouseUp: function (e) {
- this._pane.removeChild(this._box);
- this._container.style.cursor = '';
-
- L.DomUtil.enableTextSelection();
-
- L.DomEvent.removeListener(document, 'mousemove', this._onMouseMove);
- L.DomEvent.removeListener(document, 'mouseup', this._onMouseUp);
-
- var layerPoint = this._map.mouseEventToLayerPoint(e);
-
- var bounds = new L.LatLngBounds(
- this._map.layerPointToLatLng(this._startLayerPoint),
- this._map.layerPointToLatLng(layerPoint));
-
- this._map.fitBounds(bounds);
- }
-});
-
-
-/*
- * 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);
-
- this._draggable
- .on('dragstart', this._onDragStart, this)
- .on('drag', this._onDrag, this)
- .on('dragend', this._onDragEnd, this);
- }
- this._draggable.enable();
- },
-
- removeHooks: function () {
- this._draggable.disable();
- },
-
- moved: function () {
- return this._draggable && this._draggable._moved;
- },
-
- _onDragStart: function (e) {
- this._marker
- .closePopup()
- .fire('movestart')
- .fire('dragstart');
- },
-
- _onDrag: function (e) {
- // update shadow position
- var iconPos = L.DomUtil.getPosition(this._marker._icon);
- if (this._marker._shadow) {
- L.DomUtil.setPosition(this._marker._shadow, iconPos);
- }
-
- this._marker._latlng = this._marker._map.layerPointToLatLng(iconPos);
-
- this._marker
- .fire('move')
- .fire('drag');
- },
-
- _onDragEnd: function () {
- this._marker
- .fire('moveend')
- .fire('dragend');
- }
-});
-
-
-
-L.Control = {};
-
-L.Control.Position = {
- TOP_LEFT: 'topLeft',
- TOP_RIGHT: 'topRight',
- BOTTOM_LEFT: 'bottomLeft',
- BOTTOM_RIGHT: 'bottomRight'
-};
-
-
-L.Map.include({
- addControl: function (control) {
- control.onAdd(this);
-
- var pos = control.getPosition(),
- corner = this._controlCorners[pos],
- container = control.getContainer();
-
- L.DomUtil.addClass(container, 'leaflet-control');
-
- if (pos.indexOf('bottom') !== -1) {
- corner.insertBefore(container, corner.firstChild);
- } else {
- corner.appendChild(container);
- }
- return this;
- },
-
- removeControl: function (control) {
- var pos = control.getPosition(),
- corner = this._controlCorners[pos],
- container = control.getContainer();
-
- corner.removeChild(container);
-
- if (control.onRemove) {
- control.onRemove(this);
- }
- return this;
- },
-
- _initControlPos: function () {
- var corners = this._controlCorners = {},
- classPart = 'leaflet-',
- top = classPart + 'top',
- bottom = classPart + 'bottom',
- left = classPart + 'left',
- right = classPart + 'right',
- controlContainer = L.DomUtil.create('div', classPart + 'control-container', this._container);
-
- if (L.Browser.touch) {
- controlContainer.className += ' ' + classPart + 'big-buttons';
- }
-
- corners.topLeft = L.DomUtil.create('div', top + ' ' + left, controlContainer);
- corners.topRight = L.DomUtil.create('div', top + ' ' + right, controlContainer);
- corners.bottomLeft = L.DomUtil.create('div', bottom + ' ' + left, controlContainer);
- corners.bottomRight = L.DomUtil.create('div', bottom + ' ' + right, controlContainer);
- }
-});
-
-
-
-L.Control.Zoom = L.Class.extend({
- onAdd: function (map) {
- this._map = map;
- this._container = L.DomUtil.create('div', 'leaflet-control-zoom');
-
- this._zoomInButton = this._createButton(
- 'Zoom in', 'leaflet-control-zoom-in', this._map.zoomIn, this._map);
- this._zoomOutButton = this._createButton(
- 'Zoom out', 'leaflet-control-zoom-out', this._map.zoomOut, this._map);
-
- this._container.appendChild(this._zoomInButton);
- this._container.appendChild(this._zoomOutButton);
- },
-
- getContainer: function () {
- return this._container;
- },
-
- getPosition: function () {
- return L.Control.Position.TOP_LEFT;
- },
-
- _createButton: function (title, className, fn, context) {
- var link = document.createElement('a');
- link.href = '#';
- link.title = title;
- link.className = className;
-
- L.DomEvent.disableClickPropagation(link);
- L.DomEvent.addListener(link, 'click', L.DomEvent.preventDefault);
- L.DomEvent.addListener(link, 'click', fn, context);
-
- return link;
- }
-});
-
-
-L.Control.Attribution = L.Class.extend({
- initialize: function (prefix) {
- this._prefix = prefix || 'Powered by <a href="http://leaflet.cloudmade.com">Leaflet</a>';
- this._attributions = {};
- },
-
- onAdd: function (map) {
- this._container = L.DomUtil.create('div', 'leaflet-control-attribution');
- L.DomEvent.disableClickPropagation(this._container);
- this._map = map;
- this._update();
- },
-
- getPosition: function () {
- return L.Control.Position.BOTTOM_RIGHT;
- },
-
- getContainer: function () {
- return this._container;
- },
-
- setPrefix: function (prefix) {
- this._prefix = prefix;
- this._update();
- },
-
- addAttribution: function (text) {
- if (!text) {
- return;
- }
- this._attributions[text] = true;
- this._update();
- },
-
- removeAttribution: function (text) {
- if (!text) {
- return;
- }
- delete this._attributions[text];
- this._update();
- },
-
- _update: function () {
- if (!this._map) {
- return;
- }
-
- var attribs = [];
-
- for (var i in this._attributions) {
- if (this._attributions.hasOwnProperty(i)) {
- attribs.push(i);
- }
- }
-
- var prefixAndAttribs = [];
- if (this._prefix) {
- prefixAndAttribs.push(this._prefix);
- }
- if (attribs.length) {
- prefixAndAttribs.push(attribs.join(', '));
- }
-
- this._container.innerHTML = prefixAndAttribs.join(' — ');
- }
-});
-
-
-
-L.Control.Layers = L.Class.extend({
- options: {
- collapsed: !L.Browser.touch
- },
-
- initialize: function (baseLayers, overlays, options) {
- L.Util.setOptions(this, options);
-
- this._layers = {};
-
- 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._map = map;
-
- this._initLayout();
- this._update();
- },
-
- getContainer: function () {
- return this._container;
- },
-
- getPosition: function () {
- return L.Control.Position.TOP_RIGHT;
- },
-
- 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.Util.stamp(layer);
- delete this._layers[id];
- this._update();
- return this;
- },
-
- _initLayout: function () {
- this._container = L.DomUtil.create('div', 'leaflet-control-layers');
- L.DomEvent.disableClickPropagation(this._container);
-
- this._form = L.DomUtil.create('form', 'leaflet-control-layers-list');
-
- if (this.options.collapsed) {
- L.DomEvent.addListener(this._container, 'mouseover', this._expand, this);
- L.DomEvent.addListener(this._container, 'mouseout', this._collapse, this);
-
- var link = this._layersLink = L.DomUtil.create('a', 'leaflet-control-layers-toggle');
- link.href = '#';
- link.title = 'Layers';
-
- L.DomEvent.addListener(link, 'focus', this._expand, this);
- L.DomEvent.addListener(this._map, L.Draggable.START, this._collapse, this);
- // TODO keyboard accessibility
-
- this._container.appendChild(link);
- } else {
- this._expand();
- }
-
- this._baseLayersList = L.DomUtil.create('div', 'leaflet-control-layers-base', this._form);
- this._separator = L.DomUtil.create('div', 'leaflet-control-layers-separator', this._form);
- this._overlaysList = L.DomUtil.create('div', 'leaflet-control-layers-overlays', this._form);
-
- this._container.appendChild(this._form);
- },
-
- _addLayer: function (layer, name, overlay) {
- var id = L.Util.stamp(layer);
- this._layers[id] = {
- layer: layer,
- name: name,
- overlay: overlay
- };
- },
-
- _update: function () {
- if (!this._container) {
- 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');
- },
-
- _addItem: function (obj, onclick) {
- var label = document.createElement('label');
-
- var input = document.createElement('input');
- if (!obj.overlay) {
- input.name = 'leaflet-base-layers';
- }
- input.type = obj.overlay ? 'checkbox' : 'radio';
- input.checked = this._map.hasLayer(obj.layer);
- input.layerId = L.Util.stamp(obj.layer);
-
- L.DomEvent.addListener(input, 'click', this._onInputClick, this);
-
- var name = document.createTextNode(' ' + 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;
-
- for (i = 0; i < inputsLen; i++) {
- input = inputs[i];
- obj = this._layers[input.layerId];
-
- if (input.checked) {
- this._map.addLayer(obj.layer, !obj.overlay);
- } else {
- this._map.removeLayer(obj.layer);
- }
- }
- },
-
- _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.Transition = L.Class.extend({
- includes: L.Mixin.Events,
-
- statics: {
- CUSTOM_PROPS_SETTERS: {
- position: L.DomUtil.setPosition
- //TODO transform custom attr
- },
-
- implemented: function () {
- return L.Transition.NATIVE || L.Transition.TIMER;
- }
- },
-
- options: {
- easing: 'ease',
- duration: 0.5
- },
-
- _setProperty: function (prop, value) {
- var setters = L.Transition.CUSTOM_PROPS_SETTERS;
- if (prop in setters) {
- setters[prop](this._el, value);
- } else {
- this._el.style[prop] = value;
- }
- }
-});
-
-
-/*
- * L.Transition native implementation that powers Leaflet animation
- * in browsers that support CSS3 Transitions
- */
-
-L.Transition = L.Transition.extend({
- statics: (function () {
- var transition = L.DomUtil.TRANSITION,
- transitionEnd = (transition === 'webkitTransition' || transition === 'OTransition' ?
- transition + 'End' : 'transitionend');
-
- return {
- NATIVE: !!transition,
-
- TRANSITION: transition,
- PROPERTY: transition + 'Property',
- DURATION: transition + 'Duration',
- EASING: transition + 'TimingFunction',
- END: transitionEnd,
-
- // transition-property value to use with each particular custom property
- CUSTOM_PROPS_PROPERTIES: {
- position: L.Browser.webkit ? L.DomUtil.TRANSFORM : 'top, left'
- }
- };
- }()),
-
- options: {
- fakeStepInterval: 100
- },
-
- initialize: function (/*HTMLElement*/ el, /*Object*/ options) {
- this._el = el;
- L.Util.setOptions(this, options);
-
- L.DomEvent.addListener(el, L.Transition.END, this._onTransitionEnd, this);
- this._onFakeStep = L.Util.bind(this._onFakeStep, this);
- },
-
- run: function (/*Object*/ props) {
- var prop,
- propsList = [],
- customProp = L.Transition.CUSTOM_PROPS_PROPERTIES;
-
- for (prop in props) {
- if (props.hasOwnProperty(prop)) {
- prop = customProp[prop] ? customProp[prop] : prop;
- prop = this._dasherize(prop);
- propsList.push(prop);
- }
- }
-
- this._el.style[L.Transition.DURATION] = this.options.duration + 's';
- this._el.style[L.Transition.EASING] = this.options.easing;
- this._el.style[L.Transition.PROPERTY] = propsList.join(', ');
-
- for (prop in props) {
- if (props.hasOwnProperty(prop)) {
- this._setProperty(prop, props[prop]);
- }
- }
-
- this._inProgress = true;
-
- this.fire('start');
-
- if (L.Transition.NATIVE) {
- clearInterval(this._timer);
- this._timer = setInterval(this._onFakeStep, this.options.fakeStepInterval);
- } else {
- this._onTransitionEnd();
- }
- },
-
- _dasherize: (function () {
- var re = /([A-Z])/g;
-
- function replaceFn(w) {
- return '-' + w.toLowerCase();
- }
-
- return function (str) {
- return str.replace(re, replaceFn);
- };
- }()),
-
- _onFakeStep: function () {
- this.fire('step');
- },
-
- _onTransitionEnd: function () {
- if (this._inProgress) {
- this._inProgress = false;
- clearInterval(this._timer);
-
- this._el.style[L.Transition.PROPERTY] = 'none';
-
- this.fire('step');
- this.fire('end');
- }
- }
-});
-
-
-/*
- * L.Transition fallback implementation that powers Leaflet animation
- * in browsers that don't support CSS3 Transitions
- */
-
-L.Transition = L.Transition.NATIVE ? L.Transition : L.Transition.extend({
- statics: {
- getTime: Date.now || function () {
- return +new Date();
- },
-
- TIMER: true,
-
- EASINGS: {
- 'ease': [0.25, 0.1, 0.25, 1.0],
- 'linear': [0.0, 0.0, 1.0, 1.0],
- 'ease-in': [0.42, 0, 1.0, 1.0],
- 'ease-out': [0, 0, 0.58, 1.0],
- 'ease-in-out': [0.42, 0, 0.58, 1.0]
- },
-
- CUSTOM_PROPS_GETTERS: {
- position: L.DomUtil.getPosition
- },
-
- //used to get units from strings like "10.5px" (->px)
- UNIT_RE: /^[\d\.]+(\D*)$/
- },
-
- options: {
- fps: 50
- },
-
- initialize: function (el, options) {
- this._el = el;
- L.Util.extend(this.options, options);
-
- var easings = L.Transition.EASINGS[this.options.easing] || L.Transition.EASINGS.ease;
-
- this._p1 = new L.Point(0, 0);
- this._p2 = new L.Point(easings[0], easings[1]);
- this._p3 = new L.Point(easings[2], easings[3]);
- this._p4 = new L.Point(1, 1);
-
- this._step = L.Util.bind(this._step, this);
- this._interval = Math.round(1000 / this.options.fps);
- },
-
- run: function (props) {
- this._props = {};
-
- var getters = L.Transition.CUSTOM_PROPS_GETTERS,
- re = L.Transition.UNIT_RE;
-
- this.fire('start');
-
- for (var prop in props) {
- if (props.hasOwnProperty(prop)) {
- var p = {};
- if (prop in getters) {
- p.from = getters[prop](this._el);
- } else {
- var matches = this._el.style[prop].match(re);
- p.from = parseFloat(matches[0]);
- p.unit = matches[1];
- }
- p.to = props[prop];
- this._props[prop] = p;
- }
- }
-
- clearInterval(this._timer);
- this._timer = setInterval(this._step, this._interval);
- this._startTime = L.Transition.getTime();
- },
-
- _step: function () {
- var time = L.Transition.getTime(),
- elapsed = time - this._startTime,
- duration = this.options.duration * 1000;
-
- if (elapsed < duration) {
- this._runFrame(this._cubicBezier(elapsed / duration));
- } else {
- this._runFrame(1);
- this._complete();
- }
- },
-
- _runFrame: function (percentComplete) {
- var setters = L.Transition.CUSTOM_PROPS_SETTERS,
- prop, p, value;
-
- for (prop in this._props) {
- if (this._props.hasOwnProperty(prop)) {
- p = this._props[prop];
- if (prop in setters) {
- value = p.to.subtract(p.from).multiplyBy(percentComplete).add(p.from);
- setters[prop](this._el, value);
- } else {
- this._el.style[prop] =
- ((p.to - p.from) * percentComplete + p.from) + p.unit;
- }
- }
- }
- this.fire('step');
- },
-
- _complete: function () {
- clearInterval(this._timer);
- this.fire('end');
- },
-
- _cubicBezier: function (t) {
- var a = Math.pow(1 - t, 3),
- b = 3 * Math.pow(1 - t, 2) * t,
- c = 3 * (1 - t) * Math.pow(t, 2),
- d = Math.pow(t, 3),
- p1 = this._p1.multiplyBy(a),
- p2 = this._p2.multiplyBy(b),
- p3 = this._p3.multiplyBy(c),
- p4 = this._p4.multiplyBy(d);
-
- return p1.add(p2).add(p3).add(p4).y;
- }
-});
-
-
-L.Map.include(!(L.Transition && L.Transition.implemented()) ? {} : {
- setView: function (center, zoom, forceReset) {
- zoom = this._limitZoom(zoom);
- var zoomChanged = (this._zoom !== zoom);
-
- if (this._loaded && !forceReset && this._layers) {
- // difference between the new and current centers in pixels
- var offset = this._getNewTopLeftPoint(center).subtract(this._getTopLeftPoint());
-
- center = new L.LatLng(center.lat, center.lng);
-
- var done = (zoomChanged ?
- !!this._zoomToIfCenterInView && this._zoomToIfCenterInView(center, zoom, offset) :
- this._panByIfClose(offset));
-
- // exit if animated pan or zoom started
- if (done) {
- return this;
- }
- }
-
- // reset the map view
- this._resetView(center, zoom);
-
- return this;
- },
-
- panBy: function (offset) {
- if (!(offset.x || offset.y)) {
- return this;
- }
-
- if (!this._panTransition) {
- this._panTransition = new L.Transition(this._mapPane, {duration: 0.3});
-
- this._panTransition.on('step', this._onPanTransitionStep, this);
- this._panTransition.on('end', this._onPanTransitionEnd, this);
- }
- this.fire('movestart');
-
- this._panTransition.run({
- position: L.DomUtil.getPosition(this._mapPane).subtract(offset)
- });
-
- return this;
- },
-
- _onPanTransitionStep: function () {
- this.fire('move');
- },
-
- _onPanTransitionEnd: function () {
- this.fire('moveend');
- },
-
- _panByIfClose: function (offset) {
- 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.Map.include(!L.DomUtil.TRANSITION ? {} : {
- _zoomToIfCenterInView: function (center, zoom, centerOffset) {
-
- if (this._animatingZoom) {
- return true;
- }
- if (!this.options.zoomAnimation) {
- return false;
- }
-
- var zoomDelta = zoom - this._zoom,
- scale = Math.pow(2, zoomDelta),
- offset = centerOffset.divideBy(1 - 1 / scale);
-
- //if offset does not exceed half of the view
- if (!this._offsetIsWithinView(offset, 1)) {
- return false;
- }
-
- this._mapPane.className += ' leaflet-zoom-anim';
-
- this
- .fire('movestart')
- .fire('zoomstart');
-
- var centerPoint = this.containerPointToLayerPoint(this.getSize().divideBy(2)),
- origin = centerPoint.add(offset);
-
- this._prepareTileBg();
-
- this._runAnimation(center, zoom, scale, origin);
-
- return true;
- },
-
-
- _runAnimation: function (center, zoom, scale, origin) {
- this._animatingZoom = true;
-
- this._animateToCenter = center;
- this._animateToZoom = zoom;
-
- var transform = L.DomUtil.TRANSFORM;
-
- //dumb FireFox hack, I have no idea why this magic zero translate fixes the scale transition problem
- if (L.Browser.gecko || window.opera) {
- this._tileBg.style[transform] += ' translate(0,0)';
- }
-
- var scaleStr;
-
- // Android doesn't like translate/scale chains, transformOrigin + scale works better but
- // it breaks touch zoom which Anroid doesn't support anyway, so that's a really ugly hack
- // TODO work around this prettier
- if (L.Browser.android) {
- this._tileBg.style[transform + 'Origin'] = origin.x + 'px ' + origin.y + 'px';
- scaleStr = 'scale(' + scale + ')';
- } else {
- scaleStr = L.DomUtil.getScaleString(scale, origin);
- }
-
- L.Util.falseFn(this._tileBg.offsetWidth); //hack to make sure transform is updated before running animation
-
- var options = {};
- options[transform] = this._tileBg.style[transform] + ' ' + scaleStr;
- this._tileBg.transition.run(options);
- },
-
- _prepareTileBg: function () {
- if (!this._tileBg) {
- this._tileBg = this._createPane('leaflet-tile-pane', this._mapPane);
- this._tileBg.style.zIndex = 1;
- }
-
- var tilePane = this._tilePane,
- tileBg = this._tileBg;
-
- // prepare the background pane to become the main tile pane
- //tileBg.innerHTML = '';
- tileBg.style[L.DomUtil.TRANSFORM] = '';
- tileBg.style.visibility = 'hidden';
-
- // tells tile layers to reinitialize their containers
- tileBg.empty = true;
- tilePane.empty = false;
-
- this._tilePane = this._panes.tilePane = tileBg;
- this._tileBg = tilePane;
-
- if (!this._tileBg.transition) {
- this._tileBg.transition = new L.Transition(this._tileBg, {duration: 0.3, easing: 'cubic-bezier(0.25,0.1,0.25,0.75)'});
- this._tileBg.transition.on('end', this._onZoomTransitionEnd, this);
- }
-
- this._stopLoadingBgTiles();
- },
-
- // stops loading all tiles in the background layer
- _stopLoadingBgTiles: function () {
- var tiles = [].slice.call(this._tileBg.getElementsByTagName('img'));
-
- for (var i = 0, len = tiles.length; i < len; i++) {
- if (!tiles[i].complete) {
- // tiles[i].src = '' - evil, doesn't cancel the request!
- tiles[i].parentNode.removeChild(tiles[i]);
- tiles[i] = null;
- }
- }
- },
-
- _onZoomTransitionEnd: function () {
- this._restoreTileFront();
-
- L.Util.falseFn(this._tileBg.offsetWidth);
- this._resetView(this._animateToCenter, this._animateToZoom, true, true);
-
- this._mapPane.className = this._mapPane.className.replace(' leaflet-zoom-anim', ''); //TODO toggleClass util
- this._animatingZoom = 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({
- locate: function (/*Object*/ options) {
-
- this._locationOptions = options = L.Util.extend({
- watch: false,
- setView: false,
- maxZoom: Infinity,
- timeout: 10000,
- maximumAge: 0,
- enableHighAccuracy: false
- }, options);
-
- if (!navigator.geolocation) {
- return this.fire('locationerror', {
- code: 0,
- message: "Geolocation not supported."
- });
- }
-
- var onResponse = L.Util.bind(this._handleGeolocationResponse, this),
- onError = L.Util.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);
- }
- },
-
- locateAndSetView: function (maxZoom, options) {
- options = L.Util.extend({
- maxZoom: maxZoom || Infinity,
- setView: true
- }, options);
- return this.locate(options);
- },
-
- _handleGeolocationError: function (error) {
- var c = error.code,
- 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);
-
- var sw = new L.LatLng(lat - latAccuracy, lng - lngAccuracy),
- ne = new L.LatLng(lat + latAccuracy, lng + lngAccuracy),
- bounds = new L.LatLngBounds(sw, ne);
-
- if (this._locationOptions.setView) {
- var zoom = Math.min(this.getBoundsZoom(bounds), this._locationOptions.maxZoom);
- this.setView(latlng, zoom);
- }
-
- this.fire('locationfound', {
- latlng: latlng,
- bounds: bounds,
- accuracy: pos.coords.accuracy
- });
- }
-});
-
-