Leaflet/dist/leaflet.js

/*
 Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
 (c) 2010-2013, Vladimir Agafonkin
 (c) 2010-2011, CloudMade
*/
!function(t,e,i){var n=t.L,o={};o.version="0.6","object"==typeof module&&"object"==typeof module.exports?module.exports=o:"function"==typeof define&&define.amd&&define(o),o.noConflict=function(){return t.L=n,this},t.L=o,o.Util={extend:function(t){var e,i,n,o,s=Array.prototype.slice.call(arguments,1);for(i=0,n=s.length;n>i;i++){o=s[i]||{};for(e in o)o.hasOwnProperty(e)&&(t[e]=o[e])}return t},bind:function(t,e){var i=arguments.length>2?Array.prototype.slice.call(arguments,2):null;return function(){return t.apply(e,i||arguments)}},stamp:function(){var t=0,e="_leaflet_id";return function(i){return i[e]=i[e]||++t,i[e]}}(),invokeEach:function(t,e,i){var n,o;if("object"==typeof t){o=Array.prototype.slice.call(arguments,3);for(n in t)e.apply(i,[n,t[n]].concat(o));return!0}return!1},limitExecByInterval:function(t,e,i){var n,o;return function s(){var a=arguments;return n?(o=!0,void 0):(n=!0,setTimeout(function(){n=!1,o&&(s.apply(i,a),o=!1)},e),t.apply(i,a),void 0)}},falseFn:function(){return!1},formatNum:function(t,e){var i=Math.pow(10,e||5);return Math.round(t*i)/i},trim:function(t){return t.trim?t.trim():t.replace(/^\s+|\s+$/g,"")},splitWords:function(t){return o.Util.trim(t).split(/\s+/)},setOptions:function(t,e){return t.options=o.extend({},t.options,e),t.options},getParamString:function(t,e,i){var n=[];for(var o in t)n.push(encodeURIComponent(i?o.toUpperCase():o)+"="+encodeURIComponent(t[o]));return(e&&-1!==e.indexOf("?")?"&":"?")+n.join("&")},template:function(t,e){return t.replace(/\{ *([\w_]+) *\}/g,function(t,n){var o=e[n];if(o===i)throw new Error("No value provided for variable "+t);return"function"==typeof o&&(o=o(e)),o})},isArray:function(t){return"[object Array]"===Object.prototype.toString.call(t)},emptyImageUrl:"data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs="},function(){function e(e){var i,n,o=["webkit","moz","o","ms"];for(i=0;i<o.length&&!n;i++)n=t[o[i]+e];return n}function i(e){var i=+new Date,o=Math.max(0,16-(i-n));return n=i+o,t.setTimeout(e,o)}var n=0,s=t.requestAnimationFrame||e("RequestAnimationFrame")||i,a=t.cancelAnimationFrame||e("CancelAnimationFrame")||e("CancelRequestAnimationFrame")||function(e){t.clearTimeout(e)};o.Util.requestAnimFrame=function(e,n,a,r){return e=o.bind(e,n),a&&s===i?(e(),void 0):s.call(t,e,r)},o.Util.cancelAnimFrame=function(e){e&&a.call(t,e)}}(),o.extend=o.Util.extend,o.bind=o.Util.bind,o.stamp=o.Util.stamp,o.setOptions=o.Util.setOptions,o.Class=function(){},o.Class.extend=function(t){var e=function(){this.initialize&&this.initialize.apply(this,arguments),this._initHooks&&this.callInitHooks()},i=function(){};i.prototype=this.prototype;var n=new i;n.constructor=e,e.prototype=n;for(var s in this)this.hasOwnProperty(s)&&"prototype"!==s&&(e[s]=this[s]);t.statics&&(o.extend(e,t.statics),delete t.statics),t.includes&&(o.Util.extend.apply(null,[n].concat(t.includes)),delete t.includes),t.options&&n.options&&(t.options=o.extend({},n.options,t.options)),o.extend(n,t),n._initHooks=[];var a=this;return e.__super__=a.prototype,n.callInitHooks=function(){if(!this._initHooksCalled){a.prototype.callInitHooks&&a.prototype.callInitHooks.call(this),this._initHooksCalled=!0;for(var t=0,e=n._initHooks.length;e>t;t++)n._initHooks[t].call(this)}},e},o.Class.include=function(t){o.extend(this.prototype,t)},o.Class.mergeOptions=function(t){o.extend(this.prototype.options,t)},o.Class.addInitHook=function(t){var e=Array.prototype.slice.call(arguments,1),i="function"==typeof t?t:function(){this[t].apply(this,e)};this.prototype._initHooks=this.prototype._initHooks||[],this.prototype._initHooks.push(i)};var s="_leaflet_events";o.Mixin={},o.Mixin.Events={addEventListener:function(t,e,i){if(o.Util.invokeEach(t,this.addEventListener,this,e,i))return this;var n,a,r,h,l,u,c,d=this[s]=this[s]||{},_=i&&o.stamp(i);for(t=o.Util.splitWords(t),n=0,a=t.length;a>n;n++)r={action:e,context:i||this},h=t[n],i?(l=h+"_idx",u=l+"_len",c=d[l]=d[l]||{},c[_]||(c[_]=[],d[u]=(d[u]||0)+1),c[_].push(r)):(d[h]=d[h]||[],d[h].push(r));return this},hasEventListeners:function(t){var e=this[s];return!!e&&(t in e&&e[t].length>0||t+
},addTo:function(t){return t.addLayer(this),this},onRemove:function(t){this._container.parentNode.removeChild(this._container),t.off({viewreset:this._reset,moveend:this._update},this),this._animated&&t.off({zoomanim:this._animateZoom,zoomend:this._endZoomAnim},this),this.options.updateWhenIdle||t.off("move",this._limitedUpdate,this),this._container=null,this._map=null},bringToFront:function(){var t=this._map._panes.tilePane;return this._container&&(t.appendChild(this._container),this._setAutoZIndex(t,Math.max)),this},bringToBack:function(){var t=this._map._panes.tilePane;return this._container&&(t.insertBefore(this._container,t.firstChild),this._setAutoZIndex(t,Math.min)),this},getAttribution:function(){return this.options.attribution},getContainer:function(){return this._container},setOpacity:function(t){return this.options.opacity=t,this._map&&this._updateOpacity(),this},setZIndex:function(t){return this.options.zIndex=t,this._updateZIndex(),this},setUrl:function(t,e){return this._url=t,e||this.redraw(),this},redraw:function(){return this._map&&(this._reset({hard:!0}),this._update()),this},_updateZIndex:function(){this._container&&this.options.zIndex!==i&&(this._container.style.zIndex=this.options.zIndex)},_setAutoZIndex:function(t,e){var i,n,o,s=t.children,a=-e(1/0,-1/0);for(n=0,o=s.length;o>n;n++)s[n]!==this._container&&(i=parseInt(s[n].style.zIndex,10),isNaN(i)||(a=e(a,i)));this.options.zIndex=this._container.style.zIndex=(isFinite(a)?a:0)+e(1,-1)},_updateOpacity:function(){var t,e=this._tiles;if(o.Browser.ielt9)for(t in e)o.DomUtil.setOpacity(e[t],this.options.opacity);else o.DomUtil.setOpacity(this._container,this.options.opacity)},_initContainer:function(){var t=this._map._panes.tilePane;if(!this._container){if(this._container=o.DomUtil.create("div","leaflet-layer"),this._updateZIndex(),this._animated){var e="leaflet-tile-container leaflet-zoom-animated";this._bgBuffer=o.DomUtil.create("div",e,this._container),this._bgBuffer.style.zIndex=1,this._tileContainer=o.DomUtil.create("div",e,this._container),this._tileContainer.style.zIndex=2}else this._tileContainer=this._container;t.appendChild(this._container),this.options.opacity<1&&this._updateOpacity()}},_reset:function(t){for(var e in this._tiles)this.fire("tileunload",{tile:this._tiles[e]});this._tiles={},this._tilesToLoad=0,this.options.reuseTiles&&(this._unusedTiles=[]),this._tileContainer.innerHTML="",this._animated&&t&&t.hard&&this._clearBgBuffer(),this._initContainer()},_update:function(){if(this._map){var t=this._map.getPixelBounds(),e=this._map.getZoom(),i=this.options.tileSize;if(!(e>this.options.maxZoom||e<this.options.minZoom)){var n=o.bounds(t.min.divideBy(i)._floor(),t.max.divideBy(i)._floor());this._addTilesFromCenterOut(n),(this.options.unloadInvisibleTiles||this.options.reuseTiles)&&this._removeOtherTiles(n)}}},_addTilesFromCenterOut:function(t){var i,n,s,a=[],r=t.getCenter();for(i=t.min.y;i<=t.max.y;i++)for(n=t.min.x;n<=t.max.x;n++)s=new o.Point(n,i),this._tileShouldBeLoaded(s)&&a.push(s);var h=a.length;if(0!==h){a.sort(function(t,e){return t.distanceTo(r)-e.distanceTo(r)});var l=e.createDocumentFragment();for(this._tilesToLoad||this.fire("loading"),this._tilesToLoad+=h,n=0;h>n;n++)this._addTile(a[n],l);this._tileContainer.appendChild(l)}},_tileShouldBeLoaded:function(t){if(t.x+":"+t.y in this._tiles)return!1;var e=this.options;if(!e.continuousWorld){var i=this._getWrapTileNum();if(e.noWrap&&(t.x<0||t.x>=i)||t.y<0||t.y>=i)return!1}if(e.bounds){var n=e.tileSize,o=t.multiplyBy(n),s=o.add([n,n]),a=this._map.unproject(o),r=this._map.unproject(s);if(e.continuousWorld||e.noWrap||(a=a.wrap(),r=r.wrap()),!e.bounds.intersects([a,r]))return!1}return!0},_removeOtherTiles:function(t){var e,i,n,o;for(o in this._tiles)e=o.split(":"),i=parseInt(e[0],10),n=parseInt(e[1],10),(i<t.min.x||i>t.max.x||n<t.min.y||n>t.max.y)&&this._removeTile(o)},_removeTile:function(t){var e=this._tiles[t];this.fire("tileunload",{tile:e,url:e.src}),this.options.reuseTiles?(o.DomUtil.removeClass(e,"leaflet-tile-loaded"),this._unusedTiles.push(e)):e.parentNode===this._tileContainer&&thi
},_initStyle:function(){this._updateStyle()},_updateStyle:function(){var t=this._stroke,e=this._fill,i=this.options,n=this._container;n.stroked=i.stroke,n.filled=i.fill,i.stroke?(t||(t=this._stroke=this._createElement("stroke"),t.endcap="round",n.appendChild(t)),t.weight=i.weight+"px",t.color=i.color,t.opacity=i.opacity,t.dashStyle=i.dashArray?i.dashArray instanceof Array?i.dashArray.join(" "):i.dashArray.replace(/( *, *)/g," "):""):t&&(n.removeChild(t),this._stroke=null),i.fill?(e||(e=this._fill=this._createElement("fill"),n.appendChild(e)),e.color=i.fillColor||i.color,e.opacity=i.fillOpacity):e&&(n.removeChild(e),this._fill=null)},_updatePath:function(){var t=this._container.style;t.display="none",this._path.v=this.getPathString()+" ",t.display=""}}),o.Map.include(o.Browser.svg||!o.Browser.vml?{}:{_initPathRoot:function(){if(!this._pathRoot){var t=this._pathRoot=e.createElement("div");t.className="leaflet-vml-container",this._panes.overlayPane.appendChild(t),this.on("moveend",this._updatePathViewport),this._updatePathViewport()}}}),o.Browser.canvas=function(){return!!e.createElement("canvas").getContext}(),o.Path=o.Path.SVG&&!t.L_PREFER_CANVAS||!o.Browser.canvas?o.Path:o.Path.extend({statics:{CANVAS:!0,SVG:!1},redraw:function(){return this._map&&(this.projectLatlngs(),this._requestUpdate()),this},setStyle:function(t){return o.setOptions(this,t),this._map&&(this._updateStyle(),this._requestUpdate()),this},onRemove:function(t){t.off("viewreset",this.projectLatlngs,this).off("moveend",this._updatePath,this),this.options.clickable&&(this._map.off("click",this._onClick,this),this._map.off("mousemove",this._onMouseMove,this)),this._requestUpdate(),this._map=null},_requestUpdate:function(){this._map&&!o.Path._updateRequest&&(o.Path._updateRequest=o.Util.requestAnimFrame(this._fireMapMoveEnd,this._map))},_fireMapMoveEnd:function(){o.Path._updateRequest=null,this.fire("moveend")},_initElements:function(){this._map._initPathRoot(),this._ctx=this._map._canvasCtx},_updateStyle:function(){var t=this.options;t.stroke&&(this._ctx.lineWidth=t.weight,this._ctx.strokeStyle=t.color),t.fill&&(this._ctx.fillStyle=t.fillColor||t.color)},_drawPath:function(){var t,e,i,n,s,a;for(this._ctx.beginPath(),t=0,i=this._parts.length;i>t;t++){for(e=0,n=this._parts[t].length;n>e;e++)s=this._parts[t][e],a=(0===e?"move":"line")+"To",this._ctx[a](s.x,s.y);this instanceof o.Polygon&&this._ctx.closePath()}},_checkIfEmpty:function(){return!this._parts.length},_updatePath:function(){if(!this._checkIfEmpty()){var t=this._ctx,e=this.options;this._drawPath(),t.save(),this._updateStyle(),e.fill&&(t.globalAlpha=e.fillOpacity,t.fill()),e.stroke&&(t.globalAlpha=e.opacity,t.stroke()),t.restore()}},_initEvents:function(){this.options.clickable&&(this._map.on("mousemove",this._onMouseMove,this),this._map.on("click",this._onClick,this))},_onClick:function(t){this._containsPoint(t.layerPoint)&&this.fire("click",t)},_onMouseMove:function(t){this._map&&!this._map._animatingZoom&&(this._containsPoint(t.layerPoint)?(this._ctx.canvas.style.cursor="pointer",this._mouseInside=!0,this.fire("mouseover",t)):this._mouseInside&&(this._ctx.canvas.style.cursor="",this._mouseInside=!1,this.fire("mouseout",t)))}}),o.Map.include(o.Path.SVG&&!t.L_PREFER_CANVAS||!o.Browser.canvas?{}:{_initPathRoot:function(){var t,i=this._pathRoot;i||(i=this._pathRoot=e.createElement("canvas"),i.style.position="absolute",t=this._canvasCtx=i.getContext("2d"),t.lineCap="round",t.lineJoin="round",this._panes.overlayPane.appendChild(i),this.options.zoomAnimation&&(this._pathRoot.className="leaflet-zoom-animated",this.on("zoomanim",this._animatePathZoom),this.on("zoomend",this._endPathZoom)),this.on("moveend",this._updateCanvasViewport),this._updateCanvasViewport())},_updateCanvasViewport:function(){if(!this._pathZooming){this._updatePathViewport();var t=this._pathViewport,e=t.min,i=t.max.subtract(e),n=this._pathRoot;o.DomUtil.setPosition(n,e),n.width=i.x,n.height=i.y,n.getContext("2d").translate(-e.x,-e.y)}}}),o.LineUtil={simplify:function(t,e){if(!e||!t.length)return t.slice();var i=e*e;return t=this._reduce
},this),1e3),o.DomEvent.on(e,"touchmove",this._onMove,this).on(e,"touchend",this._onUp,this)}},_onUp:function(t){if(clearTimeout(this._holdTimeout),o.DomEvent.off(e,"touchmove",this._onMove,this).off(e,"touchend",this._onUp,this),this._fireClick&&t&&t.changedTouches){var i=t.changedTouches[0],n=i.target;"a"===n.tagName.toLowerCase()&&o.DomUtil.removeClass(n,"leaflet-active"),this._isTapValid()&&this._simulateEvent("click",i)}},_isTapValid:function(){return this._newPos.distanceTo(this._startPos)<=this._map.options.tapTolerance},_onMove:function(t){var e=t.touches[0];this._newPos=new o.Point(e.clientX,e.clientY)},_simulateEvent:function(i,n){var o=e.createEvent("MouseEvents");o._simulated=!0,n.target._simulatedClick=!0,o.initMouseEvent(i,!0,!0,t,1,n.screenX,n.screenY,n.clientX,n.clientY,!1,!1,!1,!1,0,null),n.target.dispatchEvent(o)}}),o.Browser.touch&&!o.Browser.msTouch&&o.Map.addInitHook("addHandler","tap",o.Map.Tap),o.Map.mergeOptions({boxZoom:!0}),o.Map.BoxZoom=o.Handler.extend({initialize:function(t){this._map=t,this._container=t._container,this._pane=t._panes.overlayPane},addHooks:function(){o.DomEvent.on(this._container,"mousedown",this._onMouseDown,this)},removeHooks:function(){o.DomEvent.off(this._container,"mousedown",this._onMouseDown)},_onMouseDown:function(t){return!t.shiftKey||1!==t.which&&1!==t.button?!1:(o.DomUtil.disableTextSelection(),o.DomUtil.disableImageDrag(),this._startLayerPoint=this._map.mouseEventToLayerPoint(t),this._box=o.DomUtil.create("div","leaflet-zoom-box",this._pane),o.DomUtil.setPosition(this._box,this._startLayerPoint),this._container.style.cursor="crosshair",o.DomEvent.on(e,"mousemove",this._onMouseMove,this).on(e,"mouseup",this._onMouseUp,this).on(e,"keydown",this._onKeyDown,this),this._map.fire("boxzoomstart"),void 0)},_onMouseMove:function(t){var e=this._startLayerPoint,i=this._box,n=this._map.mouseEventToLayerPoint(t),s=n.subtract(e),a=new o.Point(Math.min(n.x,e.x),Math.min(n.y,e.y));o.DomUtil.setPosition(i,a),i.style.width=Math.max(0,Math.abs(s.x)-4)+"px",i.style.height=Math.max(0,Math.abs(s.y)-4)+"px"},_finish:function(){this._pane.removeChild(this._box),this._container.style.cursor="",o.DomUtil.enableTextSelection(),o.DomUtil.enableImageDrag(),o.DomEvent.off(e,"mousemove",this._onMouseMove).off(e,"mouseup",this._onMouseUp).off(e,"keydown",this._onKeyDown)},_onMouseUp:function(t){this._finish();var e=this._map,i=e.mouseEventToLayerPoint(t);if(!this._startLayerPoint.equals(i)){var n=new o.LatLngBounds(e.layerPointToLatLng(this._startLayerPoint),e.layerPointToLatLng(i));e.fitBounds(n),e.fire("boxzoomend",{boxZoomBounds:n})}},_onKeyDown:function(t){27===t.keyCode&&this._finish()}}),o.Map.addInitHook("addHandler","boxZoom",o.Map.BoxZoom),o.Map.mergeOptions({keyboard:!0,keyboardPanOffset:80,keyboardZoomOffset:1}),o.Map.Keyboard=o.Handler.extend({keyCodes:{left:[37],right:[39],down:[40],up:[38],zoomIn:[187,107,61],zoomOut:[189,109,173]},initialize:function(t){this._map=t,this._setPanOffset(t.options.keyboardPanOffset),this._setZoomOffset(t.options.keyboardZoomOffset)},addHooks:function(){var t=this._map._container;-1===t.tabIndex&&(t.tabIndex="0"),o.DomEvent.on(t,"focus",this._onFocus,this).on(t,"blur",this._onBlur,this).on(t,"mousedown",this._onMouseDown,this),this._map.on("focus",this._addHooks,this).on("blur",this._removeHooks,this)},removeHooks:function(){this._removeHooks();var t=this._map._container;o.DomEvent.off(t,"focus",this._onFocus,this).off(t,"blur",this._onBlur,this).off(t,"mousedown",this._onMouseDown,this),this._map.off("focus",this._addHooks,this).off("blur",this._removeHooks,this)},_onMouseDown:function(){if(!this._focused){var i=e.body,n=e.documentElement,o=i.scrollTop||n.scrollTop,s=i.scrollTop||n.scrollLeft;this._map._container.focus(),t.scrollTo(s,o)}},_onFocus:function(){this._focused=!0,this._map.fire("focus")},_onBlur:function(){this._focused=!1,this._map.fire("blur")},_setPanOffset:function(t){var e,i,n=this._panKeys={},o=this.keyCodes;for(e=0,i=o.left.length;i>e;e++)n[o.left[e]]=[-1*t,0];for(e=0,i=o.right.length;i>e;e++)n[o.right[e]]=[t,0];for(e=0,i=o.down.le