/* Copyright (c) 2010, CloudMade Leaflet is a BSD-licensed JavaScript library for map display and interaction. Check out the source on GitHub: http://github.com/CloudMade/Leaflet/ */ var L={VERSION:"0.0.2",ROOT_URL:function(){for(var a=document.getElementsByTagName("script"),b=0,c=a.length;b0},removeEventListener:function(a,b,c){if(!this.hasEventListeners(a))return this;for(var d=0,e=this._leaflet_events,f=e[a].length;d1)){if(a.touches&&a.touches.length==1)a=a.touches[0];this._dragStartPos=L.DomUtil.getPosition(this._element);this._startX=a.clientX;this._startY=a.clientY;this._disableTextSelection();this._setMovingCursor();L.DomEvent.addListener(document,L.Draggable.MOVE,this._onMove,this);L.DomEvent.addListener(document, L.Draggable.END,this._onUp,this)}}},_onMove:function(a){L.DomEvent.preventDefault(a);if(!(a.touches&&a.touches.length>1)){if(a.touches&&a.touches.length==1)a=a.touches[0];this._newPos=this._dragStartPos.add(new L.Point(a.clientX-this._startX,a.clientY-this._startY));this._updatePosition();if(!this._moved){this.fire("dragstart");this._moved=true}this.fire("drag")}},_updatePosition:function(){L.DomUtil.setPosition(this._element,this._newPos)},_onUp:function(){this._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._moved=false}},_setMovingCursor:function(){this._bodyCursor=document.body.style.cursor;document.body.style.cursor="move"},_restoreCursor:function(){document.body.style.cursor=this._bodyCursor},_disableTextSelection:function(){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}});L.LatLng=L.Class.extend({statics:{DEG_TO_RAD:Math.PI/180,RAD_TO_DEG:180/Math.PI,MAX_MARGIN:1.0E-9},initialize:function(a,b,c){if(c!==true){a=Math.max(Math.min(a,90),-90);b=(b+180)%360+(b<-180?180:-180)}this.lat=a;this.lng=b},equals:function(a){if(!(a instanceof L.LatLng))return false;return Math.max(Math.abs(this.lat-a.lat),Math.abs(this.lng-a.lng))<=L.LatLng.MAX_MARGIN},toString:function(){return"LatLng( "+L.Util.formatNum(this.lat,5)+", "+L.Util.formatNum(this.lng,5)+" )"}});L.LatLngBounds=L.Class.extend({initialize:function(a,b){for(var c=a instanceof Array?a:[a,b],d=0,e=c.length;d= b.lat&&a.lat<=c.lat&&d.lng>=b.lng&&a.lng<=c.lng}});L.Projection={};L.Projection.Mercator={MAX_LATITUDE:function(){var a=Math.exp(2*Math.PI);return Math.asin((a-1)/(a+1))*L.LatLng.RAD_TO_DEG}(),project:function(a){var b=L.LatLng.DEG_TO_RAD,c=L.Projection.Mercator.MAX_LATITUDE,d=a.lng*b;a=Math.max(Math.min(c,a.lat),-c)*b;a=Math.log(Math.tan(Math.PI/4+a/2));return new L.Point(d,a)},unproject:function(a,b){var c=L.LatLng.DEG_TO_RAD,d=a.x/c;return new L.LatLng((2*Math.atan(Math.exp(a.y))-Math.PI/2)/c,d,b)}};L.Point=function(a,b,c){this.x=c?Math.round(a):a;this.y=c?Math.round(b):b}; L.Point.prototype={add:function(a){return new L.Point(this.x+a.x,this.y+a.y)},subtract:function(a){return new L.Point(this.x-a.x,this.y-a.y)},divideBy:function(a,b){return new L.Point(this.x/a,this.y/a,b)},multiplyBy:function(a){return new L.Point(this.x*a,this.y*a)},distanceTo:function(a){var b=a.x-this.x;a=a.y-this.y;return Math.sqrt(b*b+a*a)},round:function(){return new L.Point(Math.round(this.x),Math.round(this.y))},toString:function(){return"Point( "+this.x+", "+this.y+" )"}};L.Bounds=L.Class.extend({initialize:function(a,b){for(var c=a instanceof Array?a:[a,b],d=0,e=c.length;d= this.min.x&&a.max.x<=this.max.x&&a.min.y>=this.min.y&&a.max.y<=this.max.y}});L.Transformation=L.Class.extend({initialize:function(a,b,c,d){this._a=a;this._b=b;this._c=c;this._d=d},transform:function(a,b){b=b||1;return new L.Point(b*(this._a*a.x+this._b),b*(this._c*a.y+this._d))},untransform:function(a,b){b=b||1;return new L.Point((a.x/b-this._b)/this._a,(a.y/b-this._d)/this._c)}});L.TileLayer=L.Class.extend({includes:L.Mixin.Events,options:{tileSize:256,minZoom:0,maxZoom:18,subdomains:"abc",copyright:"",unloadInvisibleTiles:L.Browser.mobileWebkit,updateWhenIdle:L.Browser.mobileWebkit},initialize:function(a,b){L.Util.extend(this.options,b);this._url=a;if(typeof this.options.subdomains=="string")this.options.subdomains=this.options.subdomains.split("")},onAdd:function(a){this._map=a;this._container=document.createElement("div");this._container.className="leaflet-layer";this._map.getPanes().tilePane.appendChild(this._container); this._tileImg=document.createElement("img");L.Util.extend(this._tileImg,{className:"leaflet-tile",galleryimg:"no"});a=this.options.tileSize;L.Util.extend(this._tileImg.style,{width:a+"px",height:a+"px",visibility:"hidden"});this._map.on("viewreset",this._reset,this);if(this.options.updateWhenIdle)this._map.on("moveend",this._update,this);else{this._update=L.Util.limitExecByInterval(this._update,100,this);this._map.on("move",this._update,this)}this._reset();this._update()},_reset:function(){this._tiles= {};this._container.innerHTML=""},_update:function(){var a=this._map.getPixelBounds(),b=this.options.tileSize,c=new L.Point(Math.floor(a.min.x/b),Math.floor(a.min.y/b));a=new L.Point(Math.floor(a.max.x/b),Math.floor(a.max.y/b));this._loadTiles(c,a);this.options.unloadInvisibleTiles&&this._unloadOtherTiles(c,a)},getTileUrl:function(a,b){return this._url.replace("{s}",this.options.subdomains[(a.x+a.y)%this.options.subdomains.length]).replace("{z}",b).replace("{x}",a.x).replace("{y}",a.y)},_loadTiles:function(a, b){for(var c=a.y;c<=b.y;c++)for(var d=a.x;d<=b.x;d++)d+":"+c in this._tiles||this._loadTile(new L.Point(d,c))},_unloadOtherTiles:function(a,b){var c,d,e;for(e in this._tiles){kArr=e.split(":");c=parseInt(kArr[0]);d=parseInt(kArr[1]);if(cb.x||db.y){this._container.removeChild(this._tiles[e]);delete this._tiles[e]}}},_loadTile:function(a){var b=this._map.getPixelOrigin();b=a.multiplyBy(this.options.tileSize).subtract(b);var c=this._map.getZoom(),d=1<= d)){d=this._tileImg.cloneNode(false);this._tiles[a.x+":"+a.y]=d;L.DomUtil.setPosition(d,b);d.onload=this._tileOnLoad;d.onselectstart=d.onmousemove=L.Util.falseFn;d._leaflet_layer=this;d.src=this.getTileUrl(a,c);this._container.appendChild(d)}},_tileOnLoad:function(){this.style.visibility="visible";this.className+=" leaflet-tile-loaded";this._leaflet_layer.fire("tileload",{tile:this})}});L.ImageOverlay=L.Class.extend({includes:L.Mixin.Events,initialize:function(a,b){this._url=a;this._bounds=b},onAdd:function(a){this._map=a;this._image=document.createElement("img");this._image.style.visibility="hidden";this._image.style.position="absolute";L.Util.extend(this._image,{className:"leaflet-image-layer",galleryimg:"no",onselectstart:L.Util.falseFn,onmousemove:L.Util.falseFn,onload:this._onImageLoad,src:this._url});this._map.getPanes().overlayPane.appendChild(this._image);this._map.on("viewreset", this._reset,this);this._reset()},_reset:function(){var a=this._map.latLngToLayerPoint(this._bounds.getNorthWest()),b=this._map.latLngToLayerPoint(this._bounds.getSouthEast()).subtract(a);L.DomUtil.setPosition(this._image,a);this._image.style.width=b.x+"px";this._image.style.height=b.y+"px"},_onImageLoad:function(){this.style.visibility=""}});L.Handler=L.Class.extend({initialize:function(a,b){this._map=a;b&&this.enable()},enabled:function(){return!!this._enabled}});L.Handler.MapDrag=L.Handler.extend({enable:function(){if(!this._enabled){if(!this._draggable){this._draggable=new L.Draggable(this._map._mapPane,this._map._container);var a=this._map.getSize();if(a.x*a.y>=7E5&&L.Browser.gecko)this._draggable._updatePosition=L.Util.deferExecByInterval(this._draggable._updatePosition,0,this._draggable);this._draggable.on("dragstart",this._onDragStart,this);this._draggable.on("drag",this._onDrag,this);this._draggable.on("dragend",this._onDragEnd,this)}this._draggable.enable(); this._enabled=true}},disable:function(){if(this._enabled){this._draggable.disable();this._enabled=false}},_onDragStart:function(){this._map.fire("movestart");this._map.fire("dragstart")},_onDrag:function(){this._map.fire("move");this._map.fire("drag")},_onDragEnd:function(){this._map.fire("moveend");this._map.fire("dragend")}});L.Handler.TouchZoom=L.Handler.extend({enable:function(){if(!(!L.Browser.mobileWebkit||this._enabled)){L.DomEvent.addListener(this._map._container,"touchstart",this._onTouchStart,this);this._enabled=true}},disable:function(){if(this._enabled){L.DomEvent.removeListener(this._map._container,"touchstart",this._onTouchStart,this);this._enabled=false}},_onTouchStart:function(a){if(!(!a.touches||a.touches.length!=2)){var b=this._map.mouseEventToLayerPoint(a.touches[0]),c=this._map.mouseEventToLayerPoint(a.touches[1]), d=this._map.containerPointToLayerPoint(this._map.getSize().divideBy(2));this._startCenter=b.add(c).divideBy(2,true);this._startDist=b.distanceTo(c);this._startTransform=this._map._mapPane.style.webkitTransform;this._centerOffset=d.subtract(this._startCenter);L.DomEvent.addListener(document,"touchmove",this._onTouchMove,this);L.DomEvent.addListener(document,"touchend",this._onTouchEnd,this);L.DomEvent.preventDefault(a)}},_onTouchMove:function(a){if(!(!a.touches||a.touches.length!=2)){var b=this._map.mouseEventToLayerPoint(a.touches[0]), c=this._map.mouseEventToLayerPoint(a.touches[1]);this._scale=b.distanceTo(c)/this._startDist;this._delta=b.add(c).divideBy(2,true).subtract(this._startCenter);this._map._mapPane.style.webkitTransform=[this._startTransform,L.DomUtil.getTranslateString(this._delta),L.DomUtil.getTranslateString(this._startCenter),"scale("+this._scale+")",L.DomUtil.getTranslateString(this._startCenter.multiplyBy(-1))].join(" ");L.DomEvent.preventDefault(a)}},_onTouchEnd:function(a){if(!(!a.touches||a.touches.length>= 2||!this._scale)){a=this._map.getZoom()+Math.round(Math.log(this._scale)/Math.LN2);var b=this._centerOffset.subtract(this._delta).divideBy(this._scale);b=this._map.unproject(this._map.getPixelOrigin().add(this._startCenter).add(b));map.setView(b,a,true);this._scale=null;L.DomEvent.removeListener(document,"touchmove",this._onTouchMove);L.DomEvent.removeListener(document,"touchend",this._onTouchEnd)}}});L.Handler.ScrollWheelZoom=L.Handler.extend({enable:function(){if(!this._enabled){L.DomEvent.addListener(this._map._container,"mousewheel",this._onWheelScroll,this);this._delta=0;this._enabled=true}},disable:function(){if(this._enabled){L.DomEvent.removeListener(this._map._container,"mousewheel",this._onWheelScroll);this._enabled=false}},_onWheelScroll:function(a){this._delta+=L.DomEvent.getWheelDelta(a);this._lastMousePos=this._map.mouseEventToContainerPoint(a);clearTimeout(this._timer);this._timer= setTimeout(L.Util.bind(this._performZoom,this),50);L.DomEvent.preventDefault(a)},_performZoom:function(){var a=Math.round(this._delta);if(a){var b=this._getCenterForScrollWheelZoom(this._lastMousePos,a);a=this._map.getZoom()+a;this._map.setView(b,a);this._delta=0}},_getCenterForScrollWheelZoom:function(a,b){var c=this._map.getPixelBounds().getCenter(),d=this._map.getSize().divideBy(2);d=a.subtract(d).multiplyBy(1-Math.pow(2,-b));return this._map.unproject(c.add(d))}});L.Handler.DoubleClickZoom=L.Handler.extend({enable:function(){if(!this._enabled){this._map.on("dblclick",this._onDoubleClick,this._map);this._enabled=true}},disable:function(){if(this._enabled){this._map.off("dblclick",this._onDoubleClick,this._map);this._enabled=false}},_onDoubleClick:function(a){this.setView(a.position,this._zoom+1)}});L.Map=L.Class.extend({includes:L.Mixin.Events,options:{projection:L.Projection.Mercator,transformation:new L.Transformation(0.5/Math.PI,0.5,-0.5/Math.PI,0.5),scaling:function(a){return 256*(1<