1/*
2
3  OpenLayers.js -- OpenLayers Map Viewer Library
4
5  Copyright (c) 2006-2015 by OpenLayers Contributors
6  Published under the 2-clause BSD license.
7  See https://raw.githubusercontent.com/openlayers/ol2/master/license.txt for the full text of the license, and https://raw.githubusercontent.com/openlayers/ol2/master/authors.txt for full list of contributors.
8
9  Includes compressed code under the following licenses:
10
11  (For uncompressed versions of the code used, please see the
12  OpenLayers Github repository: <https://github.com/openlayers/ol2>)
13
14*/
15
16/**
17 * Contains XMLHttpRequest.js <http://code.google.com/p/xmlhttprequest/>
18 * Copyright 2007 Sergey Ilinsky (http://www.ilinsky.com)
19 *
20 * Licensed under the Apache License, Version 2.0 (the "License");
21 * you may not use this file except in compliance with the License.
22 * You may obtain a copy of the License at
23 * http://www.apache.org/licenses/LICENSE-2.0
24 */
25
26/**
27 * OpenLayers.Util.pagePosition is based on Yahoo's getXY method, which is
28 * Copyright (c) 2006, Yahoo! Inc.
29 * All rights reserved.
30 *
31 * Redistribution and use of this software in source and binary forms, with or
32 * without modification, are permitted provided that the following conditions
33 * are met:
34 *
35 * * Redistributions of source code must retain the above copyright notice,
36 *   this list of conditions and the following disclaimer.
37 *
38 * * Redistributions in binary form must reproduce the above copyright notice,
39 *   this list of conditions and the following disclaimer in the documentation
40 *   and/or other materials provided with the distribution.
41 *
42 * * Neither the name of Yahoo! Inc. nor the names of its contributors may be
43 *   used to endorse or promote products derived from this software without
44 *   specific prior written permission of Yahoo! Inc.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
50 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
56 * POSSIBILITY OF SUCH DAMAGE.
57 */
58/** global: OpenLayers */
59OpenLayers.Layer.ArcGIS93Rest=OpenLayers.Class(OpenLayers.Layer.Grid,{DEFAULT_PARAMS:{format:"png"},isBaseLayer:true,initialize:function(name,url,params,options){var newArguments=[];params=OpenLayers.Util.upperCaseObject(params);newArguments.push(name,url,params,options);OpenLayers.Layer.Grid.prototype.initialize.apply(this,newArguments);OpenLayers.Util.applyDefaults(this.params,OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS));if(this.params.TRANSPARENT&&this.params.TRANSPARENT.toString().toLowerCase()=="true"){if((options==null)||(!options.isBaseLayer)){this.isBaseLayer=false}if(this.params.FORMAT=="jpg"){this.params.FORMAT=OpenLayers.Util.alphaHack()?"gif":"png"}}},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer.ArcGIS93Rest(this.name,this.url,this.params,this.getOptions())}obj=OpenLayers.Layer.Grid.prototype.clone.apply(this,[obj]);return obj},getURL:function(bounds){bounds=this.adjustBounds(bounds);var projWords=this.projection.getCode().split(":");var srid=projWords[projWords.length-1];var imageSize=this.getImageSize(bounds);var newParams={BBOX:bounds.toBBOX(),SIZE:imageSize.w+","+imageSize.h,F:"image",BBOXSR:srid,IMAGESR:srid};if(this.layerDefs){var layerDefStrList=[];var layerID;for(layerID in this.layerDefs){if(this.layerDefs.hasOwnProperty(layerID)){if(this.layerDefs[layerID]){layerDefStrList.push(layerID);layerDefStrList.push(":");layerDefStrList.push(this.layerDefs[layerID]);layerDefStrList.push(";")}}}if(layerDefStrList.length>0){newParams.LAYERDEFS=layerDefStrList.join("")}}var requestString=this.getFullRequestString(newParams);return requestString},setLayerFilter:function(id,queryDef){if(!this.layerDefs){this.layerDefs={}}if(queryDef){this.layerDefs[id]=queryDef}else{delete this.layerDefs[id]}},clearLayerFilter:function(id){if(id){delete this.layerDefs[id]}else{delete this.layerDefs}},mergeNewParams:function(newParams){var upperParams=OpenLayers.Util.upperCaseObject(newParams);var newArguments=[upperParams];return OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(this,newArguments)},CLASS_NAME:"OpenLayers.Layer.ArcGIS93Rest"});OpenLayers.Layer.WMS=OpenLayers.Class(OpenLayers.Layer.Grid,{DEFAULT_PARAMS:{service:"WMS",version:"1.1.1",request:"GetMap",styles:"",format:"image/jpeg"},isBaseLayer:true,encodeBBOX:false,noMagic:false,yx:{},initialize:function(name,url,params,options){var newArguments=[];params=OpenLayers.Util.upperCaseObject(params);if(parseFloat(params.VERSION)>=1.3&&!params.EXCEPTIONS){params.EXCEPTIONS="INIMAGE"}newArguments.push(name,url,params,options);OpenLayers.Layer.Grid.prototype.initialize.apply(this,newArguments);OpenLayers.Util.applyDefaults(this.params,OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS));if(!this.noMagic&&this.params.TRANSPARENT&&this.params.TRANSPARENT.toString().toLowerCase()=="true"){if((options==null)||(!options.isBaseLayer)){this.isBaseLayer=false}if(this.params.FORMAT=="image/jpeg"){this.params.FORMAT=OpenLayers.Util.alphaHack()?"image/gif":"image/png"}}},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer.WMS(this.name,this.url,this.params,this.getOptions())}obj=OpenLayers.Layer.Grid.prototype.clone.apply(this,[obj]);return obj},reverseAxisOrder:function(){var projCode=this.projection.getCode();return parseFloat(this.params.VERSION)>=1.3&&!!(this.yx[projCode]||(OpenLayers.Projection.defaults[projCode]&&OpenLayers.Projection.defaults[projCode].yx))},getURL:function(bounds){bounds=this.adjustBounds(bounds);var imageSize=this.getImageSize(bounds);var newParams={};var reverseAxisOrder=this.reverseAxisOrder();newParams.BBOX=this.encodeBBOX?bounds.toBBOX(null,reverseAxisOrder):bounds.toArray(reverseAxisOrder);newParams.WIDTH=imageSize.w;newParams.HEIGHT=imageSize.h;var requestString=this.getFullRequestString(newParams);return requestString},mergeNewParams:function(newParams){var upperParams=OpenLayers.Util.upperCaseObject(newParams);var newArguments=[upperParams];return OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(this,newArguments)},getFullRequestString:function(newParams,altUrl){var mapProjection=this.map.getProjectionObject();var projectionCode=this.projection&&this.projection.equals(mapProjection)?this.projection.getCode():mapProjection.getCode();var value=(projectionCode=="none")?null:projectionCode;if(parseFloat(this.params.VERSION)>=1.3){this.params.CRS=value}else{this.params.SRS=value}if(typeof this.params.TRANSPARENT=="boolean"){newParams.TRANSPARENT=this.params.TRANSPARENT?"TRUE":"FALSE"}return OpenLayers.Layer.Grid.prototype.getFullRequestString.apply(this,arguments)},CLASS_NAME:"OpenLayers.Layer.WMS"});OpenLayers.Filter=OpenLayers.Class({initialize:function(options){OpenLayers.Util.extend(this,options)},destroy:function(){},evaluate:function(context){return true},clone:function(){return null},toString:function(){var string;if(OpenLayers.Format&&OpenLayers.Format.CQL){string=OpenLayers.Format.CQL.prototype.write(this)}else{string=Object.prototype.toString.call(this)}return string},CLASS_NAME:"OpenLayers.Filter"});OpenLayers.Filter.Spatial=OpenLayers.Class(OpenLayers.Filter,{type:null,property:null,value:null,distance:null,distanceUnits:null,evaluate:function(feature){var intersect=false;switch(this.type){case OpenLayers.Filter.Spatial.BBOX:case OpenLayers.Filter.Spatial.INTERSECTS:if(feature.geometry){var geom=this.value;if(this.value.CLASS_NAME=="OpenLayers.Bounds"){geom=this.value.toGeometry()}if(feature.geometry.intersects(geom)){intersect=true}}break;default:throw new Error("evaluate is not implemented for this filter type.")}return intersect},clone:function(){var options=OpenLayers.Util.applyDefaults({value:this.value&&this.value.clone&&this.value.clone()},this);return new OpenLayers.Filter.Spatial(options)},CLASS_NAME:"OpenLayers.Filter.Spatial"});OpenLayers.Filter.Spatial.BBOX="BBOX";OpenLayers.Filter.Spatial.INTERSECTS="INTERSECTS";OpenLayers.Filter.Spatial.DWITHIN="DWITHIN";OpenLayers.Filter.Spatial.WITHIN="WITHIN";OpenLayers.Filter.Spatial.CONTAINS="CONTAINS";OpenLayers.Strategy.BBOX=OpenLayers.Class(OpenLayers.Strategy,{bounds:null,resolution:null,ratio:2,resFactor:null,response:null,activate:function(){var activated=OpenLayers.Strategy.prototype.activate.call(this);if(activated){this.layer.events.on({moveend:this.update,refresh:this.update,visibilitychanged:this.update,scope:this});this.update()}return activated},deactivate:function(){var deactivated=OpenLayers.Strategy.prototype.deactivate.call(this);if(deactivated){this.layer.events.un({moveend:this.update,refresh:this.update,visibilitychanged:this.update,scope:this})}return deactivated},update:function(options){var mapBounds=this.getMapBounds();if(mapBounds!==null&&((options&&options.force)||(this.layer.visibility&&this.layer.calculateInRange()&&this.invalidBounds(mapBounds)))){this.calculateBounds(mapBounds);this.resolution=this.layer.map.getResolution();this.triggerRead(options)}},getMapBounds:function(){if(this.layer.map===null){return null}var bounds=this.layer.map.getExtent();if(bounds&&this.layer.projection&&!this.layer.projection.equals(this.layer.map.getProjectionObject())){bounds=bounds.clone().transform(this.layer.map.getProjectionObject(),this.layer.projection)}return bounds},invalidBounds:function(mapBounds){if(!mapBounds){mapBounds=this.getMapBounds()}var invalid=!this.bounds||!this.bounds.containsBounds(mapBounds);if(!invalid&&this.resFactor){var ratio=this.resolution/this.layer.map.getResolution();invalid=(ratio>=this.resFactor||ratio<=(1/this.resFactor))}return invalid},calculateBounds:function(mapBounds){if(!mapBounds){mapBounds=this.getMapBounds()}var center=mapBounds.getCenterLonLat();var dataWidth=mapBounds.getWidth()*this.ratio;var dataHeight=mapBounds.getHeight()*this.ratio;this.bounds=new OpenLayers.Bounds(center.lon-(dataWidth/2),center.lat-(dataHeight/2),center.lon+(dataWidth/2),center.lat+(dataHeight/2))},triggerRead:function(options){if(this.response&&!(options&&options.noAbort===true)){this.layer.protocol.abort(this.response);this.layer.events.triggerEvent("loadend")}var evt={filter:this.createFilter()};this.layer.events.triggerEvent("loadstart",evt);this.response=this.layer.protocol.read(OpenLayers.Util.applyDefaults({filter:evt.filter,callback:this.merge,scope:this},options))},createFilter:function(){var filter=new OpenLayers.Filter.Spatial({type:OpenLayers.Filter.Spatial.BBOX,value:this.bounds,projection:this.layer.projection});if(this.layer.filter){filter=new OpenLayers.Filter.Logical({type:OpenLayers.Filter.Logical.AND,filters:[this.layer.filter,filter]})}return filter},merge:function(resp){this.layer.destroyFeatures();if(resp.success()){var features=resp.features;if(features&&features.length>0){var remote=this.layer.projection;var local=this.layer.map.getProjectionObject();if(remote&&local&&!local.equals(remote)){var geom;for(var i=0,len=features.length;i<len;++i){geom=features[i].geometry;if(geom){geom.transform(remote,local)}}}this.layer.addFeatures(features)}}else{this.bounds=null}this.response=null;this.layer.events.triggerEvent("loadend",{response:resp})},CLASS_NAME:"OpenLayers.Strategy.BBOX"});