Leaflet/dist/leaflet.js

/*
 Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
 (c) 2010-2013, Vladimir Agafonkin, CloudMade
*/
(function(t,e,i){var n,o;typeof exports!=i+""?n=exports:(o=t.L,n={},n.noConflict=function(){return t.L=o,this},t.L=n),n.version="0.6-dev",n.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]}}(),limitExecByInterval:function(t,e,n){var o,s;return function a(){var r=arguments;return o?(s=!0,i):(o=!0,setTimeout(function(){o=!1,s&&(a.apply(n,r),s=!1)},e),t.apply(n,r),i)}},falseFn:function(){return!1},formatNum:function(t,e){var i=Math.pow(10,e||5);return Math.round(t*i)/i},splitWords:function(t){return t.replace(/^\s+|\s+$/g,"").split(/\s+/)},setOptions:function(t,e){return t.options=n.extend({},t.options,e),t.options},getParamString:function(t,e){var i=[];for(var n in t)t.hasOwnProperty(n)&&i.push(encodeURIComponent(n)+"="+encodeURIComponent(t[n]));return(e&&-1!==e.indexOf("?")?"&":"?")+i.join("&")},template:function(t,e){return t.replace(/\{ *([\w_]+) *\}/g,function(t,i){var n=e[i];if(!e.hasOwnProperty(i))throw Error("No value provided for variable "+t);return n})},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;o.length>i&&!n;i++)n=t[o[i]+e];return n}function o(e){var i=+new Date,n=Math.max(0,16-(i-s));return s=i+n,t.setTimeout(e,n)}var s=0,a=t.requestAnimationFrame||e("RequestAnimationFrame")||o,r=t.cancelAnimationFrame||e("CancelAnimationFrame")||e("CancelRequestAnimationFrame")||function(e){t.clearTimeout(e)};n.Util.requestAnimFrame=function(e,s,r,h){return e=n.bind(e,s),r&&a===o?(e(),i):a.call(t,e,h)},n.Util.cancelAnimFrame=function(e){e&&r.call(t,e)}}(),n.extend=n.Util.extend,n.bind=n.Util.bind,n.stamp=n.Util.stamp,n.setOptions=n.Util.setOptions,n.Class=function(){},n.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 o=new i;o.constructor=e,e.prototype=o;for(var s in this)this.hasOwnProperty(s)&&"prototype"!==s&&(e[s]=this[s]);t.statics&&(n.extend(e,t.statics),delete t.statics),t.includes&&(n.Util.extend.apply(null,[o].concat(t.includes)),delete t.includes),t.options&&o.options&&(t.options=n.extend({},o.options,t.options)),n.extend(o,t),o._initHooks=[];var a=this;return e.__super__=a.prototype,o.callInitHooks=function(){if(!this._initHooksCalled){a.prototype.callInitHooks&&a.prototype.callInitHooks.call(this),this._initHooksCalled=!0;for(var t=0,e=o._initHooks.length;e>t;t++)o._initHooks[t].call(this)}},e},n.Class.include=function(t){n.extend(this.prototype,t)},n.Class.mergeOptions=function(t){n.extend(this.prototype.options,t)},n.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";n.Mixin={},n.Mixin.Events={addEventListener:function(t,e,i){var o,a,r,h,l,u,c,_,p=this[s]=this[s]||{};if("object"==typeof t){for(o in t)t.hasOwnProperty(o)&&this.addEventListener(o,t[o],e);return this}for(t=n.Util.splitWords(t),a=0,r=t.length;r>a;a++)h={action:e,context:i||this},l=i&&i._leaflet_id,l?(u=t[a]+"_idx",c=u+"_len",_=p[u]=p[u]||{},_[l]?_[l].push(h):(_[l]=[h],p[c]=(p[c]||0)+1)):(p[t[a]]=p[t[a]]||[],p[t[a]].push(h));return this},hasEventListeners:function(t){return s in this&&(t in this[s]&&this[s][t].length>0||this[s][t+"_idx_len"]>0)},removeEventListener:function(t,e,i){var o,a,r,h,l,u,c,_,p=this[s];if("object"==typeof t){for(o in t)t.hasOwnProperty(o)&&this.removeEventListener(o,t[o],e);return this}for(t=n.Util.splitWords(t),a=0,r=t.length;r>a;a++)if(this.hasEventListeners(t[a])){for(u=i&&
if(!(e>this.options.maxZoom||this.options.minZoom>e)){var o=new n.Point(Math.floor(t.min.x/i),Math.floor(t.min.y/i)),s=new n.Point(Math.floor(t.max.x/i),Math.floor(t.max.y/i)),a=new n.Bounds(o,s);this._addTilesFromCenterOut(a),(this.options.unloadInvisibleTiles||this.options.reuseTiles)&&this._removeOtherTiles(a)}}},_addTilesFromCenterOut:function(t){var i,o,s,a=[],r=t.getCenter();for(i=t.min.y;t.max.y>=i;i++)for(o=t.min.x;t.max.x>=o;o++)s=new n.Point(o,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,o=0;h>o;o++)this._addTile(a[o],l);this._tileContainer.appendChild(l)}},_tileShouldBeLoaded:function(t){if(t.x+":"+t.y in this._tiles)return!1;if(!this.options.continuousWorld){var e=this._getWrapTileNum();if(this.options.noWrap&&(0>t.x||t.x>=e)||0>t.y||t.y>=e)return!1}return!0},_removeOtherTiles:function(t){var e,i,n,o;for(o in this._tiles)this._tiles.hasOwnProperty(o)&&(e=o.split(":"),i=parseInt(e[0],10),n=parseInt(e[1],10),(t.min.x>i||i>t.max.x||t.min.y>n||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?(n.DomUtil.removeClass(e,"leaflet-tile-loaded"),this._unusedTiles.push(e)):e.parentNode===this._tileContainer&&this._tileContainer.removeChild(e),n.Browser.android||(e.src=n.Util.emptyImageUrl),delete this._tiles[t]},_addTile:function(t,e){var i=this._getTilePos(t),o=this._getTile();n.DomUtil.setPosition(o,i,n.Browser.chrome||n.Browser.android23),this._tiles[t.x+":"+t.y]=o,this._loadTile(o,t),o.parentNode!==this._tileContainer&&e.appendChild(o)},_getZoomForUrl:function(){var t=this.options,e=this._map.getZoom();return t.zoomReverse&&(e=t.maxZoom-e),e+t.zoomOffset},_getTilePos:function(t){var e=this._map.getPixelOrigin(),i=this.options.tileSize;return t.multiplyBy(i).subtract(e)},getTileUrl:function(t){return n.Util.template(this._url,n.extend({s:this._getSubdomain(t),z:t.z,x:t.x,y:t.y},this.options))},_getWrapTileNum:function(){return Math.pow(2,this._getZoomForUrl())},_adjustTilePoint:function(t){var e=this._getWrapTileNum();this.options.continuousWorld||this.options.noWrap||(t.x=(t.x%e+e)%e),this.options.tms&&(t.y=e-t.y-1),t.z=this._getZoomForUrl()},_getSubdomain:function(t){var e=(t.x+t.y)%this.options.subdomains.length;return this.options.subdomains[e]},_createTileProto:function(){var t=this._tileImg=n.DomUtil.create("img","leaflet-tile");t.style.width=t.style.height=this.options.tileSize+"px",t.galleryimg="no"},_getTile:function(){if(this.options.reuseTiles&&this._unusedTiles.length>0){var t=this._unusedTiles.pop();return this._resetTile(t),t}return this._createTile()},_resetTile:function(){},_createTile:function(){var t=this._tileImg.cloneNode(!1);return t.onselectstart=t.onmousemove=n.Util.falseFn,n.Browser.ielt9&&this.options.opacity!==i&&n.DomUtil.setOpacity(t,this.options.opacity),t},_loadTile:function(t,e){t._layer=this,t.onload=this._tileOnLoad,t.onerror=this._tileOnError,this._adjustTilePoint(e),t.src=this.getTileUrl(e)},_tileLoaded:function(){this._tilesToLoad--,this._tilesToLoad||(this.fire("load"),this._animated&&(clearTimeout(this._clearBgBufferTimer),this._clearBgBufferTimer=setTimeout(n.bind(this._clearBgBuffer,this),500)))},_tileOnLoad:function(){var t=this._layer;this.src!==n.Util.emptyImageUrl&&(n.DomUtil.addClass(this,"leaflet-tile-loaded"),t.fire("tileload",{tile:this,url:this.src})),t._tileLoaded()},_tileOnError:function(){var t=this._layer;t.fire("tileerror",{tile:this,url:this.src});var e=t.options.errorTileUrl;e&&(this.src=e),t._tileLoaded()}}),n.tileLayer=function(t,e){return new n.TileLayer(t,e)},n.TileLayer.WMS=n.TileLayer.extend({defaultWmsParams:{service:"WMS",request:"GetMap",version:"1.1.1",layers:"",styles:"",format:"image/jpeg",transparent:!1},initialize:function(t,e){this._url=t;var i=n.extend({},this.defaultWmsParams),o=e.tileSize||this.options.tileSize;i.width=i.height=e.detectRetina&&n.Browser.retina?2*o:o;for(
},pointToSegmentDistance:function(t,e,i){return Math.sqrt(this._sqClosestPointOnSegment(t,e,i,!0))},closestPointOnSegment:function(t,e,i){return this._sqClosestPointOnSegment(t,e,i)},_simplifyDP:function(t,e){var n=t.length,o=typeof Uint8Array!=i+""?Uint8Array:Array,s=new o(n);s[0]=s[n-1]=1,this._simplifyDPStep(t,s,e,0,n-1);var a,r=[];for(a=0;n>a;a++)s[a]&&r.push(t[a]);return r},_simplifyDPStep:function(t,e,i,n,o){var s,a,r,h=0;for(a=n+1;o-1>=a;a++)r=this._sqClosestPointOnSegment(t[a],t[n],t[o],!0),r>h&&(s=a,h=r);h>i&&(e[s]=1,this._simplifyDPStep(t,e,i,n,s),this._simplifyDPStep(t,e,i,s,o))},_reducePoints:function(t,e){for(var i=[t[0]],n=1,o=0,s=t.length;s>n;n++)this._sqDist(t[n],t[o])>e&&(i.push(t[n]),o=n);return s-1>o&&i.push(t[s-1]),i},clipSegment:function(t,e,i,n){var o,s,a,r=n?this._lastCode:this._getBitCode(t,i),h=this._getBitCode(e,i);for(this._lastCode=h;;){if(!(r|h))return[t,e];if(r&h)return!1;o=r||h,s=this._getEdgeIntersection(t,e,o,i),a=this._getBitCode(s,i),o===r?(t=s,r=a):(e=s,h=a)}},_getEdgeIntersection:function(t,e,o,s){var a=e.x-t.x,r=e.y-t.y,h=s.min,l=s.max;return 8&o?new n.Point(t.x+a*(l.y-t.y)/r,l.y):4&o?new n.Point(t.x+a*(h.y-t.y)/r,h.y):2&o?new n.Point(l.x,t.y+r*(l.x-t.x)/a):1&o?new n.Point(h.x,t.y+r*(h.x-t.x)/a):i},_getBitCode:function(t,e){var i=0;return t.x<e.min.x?i|=1:t.x>e.max.x&&(i|=2),t.y<e.min.y?i|=4:t.y>e.max.y&&(i|=8),i},_sqDist:function(t,e){var i=e.x-t.x,n=e.y-t.y;return i*i+n*n},_sqClosestPointOnSegment:function(t,e,i,o){var s,a=e.x,r=e.y,h=i.x-a,l=i.y-r,u=h*h+l*l;return u>0&&(s=((t.x-a)*h+(t.y-r)*l)/u,s>1?(a=i.x,r=i.y):s>0&&(a+=h*s,r+=l*s)),h=t.x-a,l=t.y-r,o?h*h+l*l:new n.Point(a,r)}},n.Polyline=n.Path.extend({initialize:function(t,e){n.Path.prototype.initialize.call(this,e),this._latlngs=this._convertLatLngs(t)},options:{smoothFactor:1,noClip:!1},projectLatlngs:function(){this._originalPoints=[];for(var t=0,e=this._latlngs.length;e>t;t++)this._originalPoints[t]=this._map.latLngToLayerPoint(this._latlngs[t])},getPathString:function(){for(var t=0,e=this._parts.length,i="";e>t;t++)i+=this._getPathPartStr(this._parts[t]);return i},getLatLngs:function(){return this._latlngs},setLatLngs:function(t){return this._latlngs=this._convertLatLngs(t),this.redraw()},addLatLng:function(t){return this._latlngs.push(n.latLng(t)),this.redraw()},spliceLatLngs:function(){var t=[].splice.apply(this._latlngs,arguments);return this._convertLatLngs(this._latlngs,!0),this.redraw(),t},closestLayerPoint:function(t){for(var e,i,o=1/0,s=this._parts,a=null,r=0,h=s.length;h>r;r++)for(var l=s[r],u=1,c=l.length;c>u;u++){e=l[u-1],i=l[u];var _=n.LineUtil._sqClosestPointOnSegment(t,e,i,!0);o>_&&(o=_,a=n.LineUtil._sqClosestPointOnSegment(t,e,i))}return a&&(a.distance=Math.sqrt(o)),a},getBounds:function(){var t,e,i=new n.LatLngBounds,o=this.getLatLngs();for(t=0,e=o.length;e>t;t++)i.extend(o[t]);return i},_convertLatLngs:function(t,e){var i,o,s=e?t:[];for(i=0,o=t.length;o>i;i++){if(n.Util.isArray(t[i])&&"number"!=typeof t[i][0])return;s[i]=n.latLng(t[i])}return s},_initEvents:function(){n.Path.prototype._initEvents.call(this)},_getPathPartStr:function(t){for(var e,i=n.Path.VML,o=0,s=t.length,a="";s>o;o++)e=t[o],i&&e._round(),a+=(o?"L":"M")+e.x+" "+e.y;return a},_clipPoints:function(){var t,e,o,s=this._originalPoints,a=s.length;if(this.options.noClip)return this._parts=[s],i;this._parts=[];var r=this._parts,h=this._map._pathViewport,l=n.LineUtil;for(t=0,e=0;a-1>t;t++)o=l.clipSegment(s[t],s[t+1],h,t),o&&(r[e]=r[e]||[],r[e].push(o[0]),(o[1]!==s[t+1]||t===a-2)&&(r[e].push(o[1]),e++))},_simplifyPoints:function(){for(var t=this._parts,e=n.LineUtil,i=0,o=t.length;o>i;i++)t[i]=e.simplify(t[i],this.options.smoothFactor)},_updatePath:function(){this._map&&(this._clipPoints(),this._simplifyPoints(),n.Path.prototype._updatePath.call(this))}}),n.polyline=function(t,e){return new n.Polyline(t,e)},n.PolyUtil={},n.PolyUtil.clipPolygon=function(t,e){var i,o,s,a,r,h,l,u,c,_=[1,4,2,8],p=n.LineUtil;for(o=0,l=t.length;l>o;o++)t[o]._code=p._getBitCode(t[o],e);for(a=0;4>a;a++){for(u=_[a],i=[],o=0,l=t.length,s=l-1;l>o;s=o++)r=t[o],h=t[s],r._code&u
},n.Map.include({addControl:function(t){return t.addTo(this),this},removeControl:function(t){return t.removeFrom(this),this},_initControlPos:function(){function t(t,s){var a=i+t+" "+i+s;e[t+s]=n.DomUtil.create("div",a,o)}var e=this._controlCorners={},i="leaflet-",o=this._controlContainer=n.DomUtil.create("div",i+"control-container",this._container);t("top","left"),t("top","right"),t("bottom","left"),t("bottom","right")}}),n.Control.Zoom=n.Control.extend({options:{position:"topleft"},onAdd:function(t){var e="leaflet-control-zoom",i=n.DomUtil.create("div",e+" leaflet-bar");return this._map=t,this._zoomInButton=this._createButton("+","Zoom in",e+"-in",i,this._zoomIn,this),this._zoomOutButton=this._createButton("-","Zoom out",e+"-out",i,this._zoomOut,this),t.on("zoomend zoomlevelschange",this._updateDisabled,this),i},onRemove:function(t){t.off("zoomend zoomlevelschange",this._updateDisabled,this)},_zoomIn:function(t){this._map.zoomIn(t.shiftKey?3:1)},_zoomOut:function(t){this._map.zoomOut(t.shiftKey?3:1)},_createButton:function(t,e,i,o,s,a){var r=n.DomUtil.create("a",i,o);r.innerHTML=t,r.href="#",r.title=e;var h=n.DomEvent.stopPropagation;return n.DomEvent.on(r,"click",h).on(r,"mousedown",h).on(r,"dblclick",h).on(r,"click",n.DomEvent.preventDefault).on(r,"click",s,a),r},_updateDisabled:function(){var t=this._map,e="leaflet-disabled";n.DomUtil.removeClass(this._zoomInButton,e),n.DomUtil.removeClass(this._zoomOutButton,e),t._zoom===t.getMinZoom()&&n.DomUtil.addClass(this._zoomOutButton,e),t._zoom===t.getMaxZoom()&&n.DomUtil.addClass(this._zoomInButton,e)}}),n.Map.mergeOptions({zoomControl:!0}),n.Map.addInitHook(function(){this.options.zoomControl&&(this.zoomControl=new n.Control.Zoom,this.addControl(this.zoomControl))}),n.control.zoom=function(t){return new n.Control.Zoom(t)},n.Control.Attribution=n.Control.extend({options:{position:"bottomright",prefix:'<a href="http://leafletjs.com" title="A JS library for interactive maps">Leaflet</a>'},initialize:function(t){n.setOptions(this,t),this._attributions={}},onAdd:function(t){return this._container=n.DomUtil.create("div","leaflet-control-attribution"),n.DomEvent.disableClickPropagation(this._container),t.on("layeradd",this._onLayerAdd,this).on("layerremove",this._onLayerRemove,this),this._update(),this._container},onRemove:function(t){t.off("layeradd",this._onLayerAdd).off("layerremove",this._onLayerRemove)},setPrefix:function(t){return this.options.prefix=t,this._update(),this},addAttribution:function(t){return t?(this._attributions[t]||(this._attributions[t]=0),this._attributions[t]++,this._update(),this):i},removeAttribution:function(t){return t?(this._attributions[t]&&(this._attributions[t]--,this._update()),this):i},_update:function(){if(this._map){var t=[];for(var e in this._attributions)this._attributions.hasOwnProperty(e)&&this._attributions[e]&&t.push(e);var i=[];this.options.prefix&&i.push(this.options.prefix),t.length&&i.push(t.join(", ")),this._container.innerHTML=i.join(" | ")}},_onLayerAdd:function(t){t.layer.getAttribution&&this.addAttribution(t.layer.getAttribution())},_onLayerRemove:function(t){t.layer.getAttribution&&this.removeAttribution(t.layer.getAttribution())}}),n.Map.mergeOptions({attributionControl:!0}),n.Map.addInitHook(function(){this.options.attributionControl&&(this.attributionControl=(new n.Control.Attribution).addTo(this))}),n.control.attribution=function(t){return new n.Control.Attribution(t)},n.Control.Scale=n.Control.extend({options:{position:"bottomleft",maxWidth:100,metric:!0,imperial:!0,updateWhenIdle:!1},onAdd:function(t){this._map=t;var e="leaflet-control-scale",i=n.DomUtil.create("div",e),o=this.options;return this._addScales(o,e,i),t.on(o.updateWhenIdle?"moveend":"move",this._update,this),t.whenReady(this._update,this),i},onRemove:function(t){t.off(this.options.updateWhenIdle?"moveend":"move",this._update,this)},_addScales:function(t,e,i){t.metric&&(this._mScale=n.DomUtil.create("div",e+"-line",i)),t.imperial&&(this._iScale=n.DomUtil.create("div",e+"-line",i))},_update:function(){var t=this._map.getBounds(),e=t.getCenter().lat,i=6378137*