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- /*! Esri-Leaflet - v0.0.1-beta.4 - 2014-03-09
- * Copyright (c) 2014 Environmental Systems Research Institute, Inc.
- * Apache License*/
- L.esri={_callback:{}},L.esri.Support={CORS:!!(window.XMLHttpRequest&&"withCredentials"in new XMLHttpRequest)},L.esri.RequestHandlers={CORS:function(a,b,c,d){var e=new XMLHttpRequest;b.f="json",e.onreadystatechange=function(){var a;if(4===e.readyState){try{a=JSON.parse(e.responseText)}catch(b){a={error:"Could not parse response as JSON."}}d?c.call(d,a):c(a)}},e.open("GET",a+"?"+L.esri.Util.serialize(b),!0),e.send(null)},JSONP:function(a,b,c,d){var e="c"+(1e9*Math.random()).toString(36).replace(".","_");b.f="json",b.callback="L.esri._callback."+e;var f=L.DomUtil.create("script",null,document.body);f.type="text/javascript",f.src=a+"?"+L.esri.Util.serialize(b),f.id=e,L.esri._callback[e]=function(a){d?c.call(d,a):c(a),document.body.removeChild(f),delete L.esri._callback[e]}}},L.esri.get=L.esri.Support.CORS?L.esri.RequestHandlers.CORS:L.esri.RequestHandlers.JSONP,L.esri.Mixins={},L.esri.Mixins.featureGrid={_activeRequests:0,_initializeFeatureGrid:function(a){this._map=a,this._previousCells=[],this.center=this._map.getCenter(),this.origin=this._map.project(this.center),this._moveHandler=L.esri.Util.debounce(function(a){"zoomend"===a.type&&(this.origin=this._map.project(this.center),this._previousCells=[]),this._requestFeatures(a.target.getBounds())},this.options.debounce,this),a.on("zoomend resize move",this._moveHandler,this),this._requestFeatures(a.getBounds())},_destroyFeatureGrid:function(a){a.off("zoomend resize move",this._moveHandler,this)},_requestFeatures:function(a){var b=this._cellsWithin(a);b&&b.length>0&&this.fire("loading",{bounds:a});for(var c=0;c<b.length;c++)this._makeRequest(b[c],b,a)},_makeRequest:function(a,b,c){this._activeRequests++;var d={geometryType:"esriGeometryEnvelope",geometry:JSON.stringify(L.esri.Util.boundsToExtent(a.bounds)),outFields:this.options.fields.join(","),outSR:4326,inSR:4326,where:this.options.where};this.options.token&&(d.token=this.options.token),L.esri.get(this.url+"query",d,function(a){this._activeRequests--,this._activeRequests<=0&&this.fire("load",{bounds:c}),!a.error||499!==a.error.code&&498!==a.error.code?this._render(a):this._authenticating||(this._authenticating=!0,this.fire("authenticationrequired",{retry:L.Util.bind(function(a){this._authenticating=!1,this.options.token=a,this._previousCells=[],this._requestFeatures(this._map.getBounds())},this)}))},this)},_cellsWithin:function(a){var b=this._map.getSize(),c=this._map.project(this._map.getCenter());Math.min(this.options.cellSize/b.x,this.options.cellSize/b.y);for(var d=a.pad(.1),e=[],f=this._map.project(d.getNorthWest()),g=this._map.project(d.getSouthEast()),h=f.subtract(c).divideBy(this.options.cellSize),i=g.subtract(c).divideBy(this.options.cellSize),j=Math.round((this.origin.x-c.x)/this.options.cellSize),k=Math.round((this.origin.y-c.y)/this.options.cellSize),l=L.esri.Util.roundAwayFromZero(h.x)-j,m=L.esri.Util.roundAwayFromZero(i.x)-j,n=L.esri.Util.roundAwayFromZero(h.y)-k,o=L.esri.Util.roundAwayFromZero(i.y)-k,p=l;m>p;p++)for(var q=n;o>q;q++){var r="cell:"+p+":"+q,s=L.esri.Util.indexOf(this._previousCells,r)>=0;if(!s||!this.options.deduplicate){var t=this._cellExtent(p,q),u=t.getCenter(),v=u.distanceTo(t.getNorthWest()),w=u.distanceTo(this.center),x={row:p,col:q,id:r,center:u,bounds:t,distance:w,radius:v};e.push(x),this._previousCells.push(r)}}return e.sort(function(a,b){return a.distance-b.distance}),e},_cellExtent:function(a,b){var c=this._cellPoint(a,b),d=this._cellPoint(a+1,b+1),e=this._map.unproject(c),f=this._map.unproject(d);return L.latLngBounds(e,f)},_cellPoint:function(a,b){var c=this.origin.x+a*this.options.cellSize,d=this.origin.y+b*this.options.cellSize;return[c,d]}},L.esri.Mixins.identifiableLayer={identify:function(a,b,c){var d={sr:"4326",mapExtent:JSON.stringify(L.esri.Util.boundsToExtent(this._map.getBounds())),tolerance:5,geometryType:"esriGeometryPoint",imageDisplay:this._map._size.x+","+this._map._size.y+",96",geometry:JSON.stringify({x:a.lng,y:a.lat,spatialReference:{wkid:4326}})};this.options.layers&&(d.layers=this.options.layers);var e;"function"==typeof b&&"undefined"==typeof c?(c=b,e=d):"objec
- * The MIT License (MIT)
- *
- * Copyright (c) 2013 Sanborn Map Company, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- L.esri.DynamicMapLayer=L.Class.extend({includes:L.esri.Mixins.identifiableLayer,options:{opacity:1,position:"front"},_defaultLayerParams:{format:"png24",transparent:!0,f:"image",bboxSR:3875,imageSR:3875,layers:"",layerDefs:""},initialize:function(a,b){this.url=L.esri.Util.cleanUrl(a),this._layerParams=L.Util.extend({},this._defaultLayerParams);for(var c in b)b.hasOwnProperty(c)&&this._defaultLayerParams.hasOwnProperty(c)&&(this._layerParams[c]=b[c]);this._parseLayers(),this._parseLayerDefs(),L.Util.setOptions(this,b),this._getMetadata(),this._layerParams.transparent||(this.options.opacity=1)},onAdd:function(a){if(this._map=a,this._moveHandler=L.esri.Util.debounce(this._update,150,this),a.on("moveend",this._moveHandler,this),a.options.crs&&a.options.crs.code){var b=a.options.crs.code.split(":")[1];this._layerParams.bboxSR=b,this._layerParams.imageSR=b}this._update()},onRemove:function(a){this._currentImage&&this._map.removeLayer(this._currentImage),a.off("moveend",this._moveHandler,this)},addTo:function(a){return a.addLayer(this),this},setOpacity:function(a){this.options.opacity=a,this._currentImage.setOpacity(a)},bringToFront:function(){return this.options.position="front",this._currentImage.bringToFront(),this},bringToBack:function(){return this.options.position="back",this._currentImage.bringToBack(),this},_parseLayers:function(){if("undefined"==typeof this._layerParams.layers)return delete this._layerParams.layerOption,void 0;var a=this._layerParams.layerOption||null,b=this._layerParams.layers||null,c="show",d=["show","hide","include","exclude"];if(delete this._layerParams.layerOption,a)-1!==d.indexOf(a)&&(c=a),this._layerParams.layers=c+":"+b;else if(b instanceof Array)this._layerParams.layers=c+":"+b.join(",");else if("string"==typeof b){var e=b.match(":");e&&(b=b.split(e[0]),Number(b[1].split(",")[0])&&(-1!==d.indexOf(b[0])&&(c=b[0]),b=b[1])),this._layerParams.layers=c+":"+b}},_parseLayerDefs:function(){if("undefined"!=typeof this._layerParams.layerDefs){var a=this._layerParams.layerDefs,b=[];if(a instanceof Array)for(var c=a.length,d=0;c>d;d++)a[d]&&b.push(d+":"+a[d]);else{if("object"!=typeof a)return delete this._layerParams.layerDefs,void 0;for(var e in a)a.hasOwnProperty(e)&&b.push(e+":"+a[e])}this._layerParams.layerDefs=b.join(";")}},_getImageUrl:function(){var a=this._map.getBounds(),b=this._map.getSize(),c=this._map.options.crs.project(a._northEast),d=this._map.options.crs.project(a._southWest);this._layerParams.bbox=[d.x,d.y,c.x,c.y].join(","),this._layerParams.size=b.x+","+b.y,this.options.token&&(this._layerParams.token=this.options.token);var e=this.url+"export"+L.Util.getParamString(this._layerParams);return e},_update:function(){if(!(this._animatingZoom||this._map._panTransition&&this._map._panTransition._inProgress)){var a=this._map.getZoom();if(!(a>this.options.maxZoom||a<this.options.minZoom)){var b=this._map.getBounds();b._southWest.wrap(),b._northEast.wrap();var c=new L.ImageOverlay(this._getImageUrl(),b,{opacity:0}).addTo(this._map);c.on("load",function(a){var c=a.target,d=this._currentImage;c._bounds.equals(b)?(this._currentImage=c,"front"===this.options.position?this._currentImage.bringToFront():this._currentImage.bringToBack(),this._currentImage.setOpacity(this.options.opacity),d&&this._map.removeLayer(d)):this._map.removeLayer(c)},this),this.fire("loading",{bounds:b})}}}}),L.esri.DynamicMapLayer.include(L.Mixin.Events),L.esri.DynamicMapLayer.include(L.esri.Mixins.metadata),L.esri.dynamicMapLayer=function(a,b){return new L.esri.DynamicMapLayer(a,b)};
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