+++ /dev/null
-OpenLayers.Layer.WFS=OpenLayers.Class(OpenLayers.Layer.Vector,OpenLayers.Layer.Markers,{isBaseLayer:false,tile:null,ratio:2,DEFAULT_PARAMS:{service:"WFS",version:"1.0.0",request:"GetFeature"},featureClass:null,format:null,formatObject:null,formatOptions:null,vectorMode:true,encodeBBOX:false,extractAttributes:false,initialize:function(name,url,params,options){if(options==undefined){options={}}if(options.featureClass||!OpenLayers.Layer.Vector||!OpenLayers.Feature.Vector){this.vectorMode=false}OpenLayers.Util.extend(options,{'reportError':false});var newArguments=[];newArguments.push(name,options);OpenLayers.Layer.Vector.prototype.initialize.apply(this,newArguments);if(!this.renderer||!this.vectorMode){this.vectorMode=false;if(!options.featureClass){options.featureClass=OpenLayers.Feature.WFS}OpenLayers.Layer.Markers.prototype.initialize.apply(this,newArguments)}if(this.params&&this.params.typename&&!this.options.typename){this.options.typename=this.params.typename}if(!this.options.geometry_column){this.options.geometry_column="the_geom"}this.params=OpenLayers.Util.applyDefaults(params,OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS));this.url=url},destroy:function(){if(this.vectorMode){OpenLayers.Layer.Vector.prototype.destroy.apply(this,arguments)}else{OpenLayers.Layer.Markers.prototype.destroy.apply(this,arguments)}if(this.tile){this.tile.destroy()}this.tile=null;this.ratio=null;this.featureClass=null;this.format=null;if(this.formatObject&&this.formatObject.destroy){this.formatObject.destroy()}this.formatObject=null;this.formatOptions=null;this.vectorMode=null;this.encodeBBOX=null;this.extractAttributes=null},setMap:function(map){if(this.vectorMode){OpenLayers.Layer.Vector.prototype.setMap.apply(this,arguments);var options={'extractAttributes':this.extractAttributes};OpenLayers.Util.extend(options,this.formatOptions);if(this.map&&!this.projection.equals(this.map.getProjectionObject())){options.externalProjection=this.projection;options.internalProjection=this.map.getProjectionObject()}this.formatObject=this.format?new this.format(options):new OpenLayers.Format.GML(options)}else{OpenLayers.Layer.Markers.prototype.setMap.apply(this,arguments)}},moveTo:function(bounds,zoomChanged,dragging){if(this.vectorMode){OpenLayers.Layer.Vector.prototype.moveTo.apply(this,arguments)}else{OpenLayers.Layer.Markers.prototype.moveTo.apply(this,arguments)}if(dragging){return false}if(zoomChanged){if(this.vectorMode){this.renderer.clear()}}if(this.options.minZoomLevel){OpenLayers.Console.warn(OpenLayers.i18n('minZoomLevelError'));if(this.map.getZoom()<this.options.minZoomLevel){return null}}if(bounds==null){bounds=this.map.getExtent()}var firstRendering=(this.tile==null);var outOfBounds=(!firstRendering&&!this.tile.bounds.containsBounds(bounds));if(zoomChanged||firstRendering||(!dragging&&outOfBounds)){var center=bounds.getCenterLonLat();var tileWidth=bounds.getWidth()*this.ratio;var tileHeight=bounds.getHeight()*this.ratio;var tileBounds=new OpenLayers.Bounds(center.lon-(tileWidth/2),center.lat-(tileHeight/2),center.lon+(tileWidth/2),center.lat+(tileHeight/2));var tileSize=this.map.getSize();tileSize.w=tileSize.w*this.ratio;tileSize.h=tileSize.h*this.ratio;var ul=new OpenLayers.LonLat(tileBounds.left,tileBounds.top);var pos=this.map.getLayerPxFromLonLat(ul);var url=this.getFullRequestString();var params=null;var filter=this.params.filter||this.params.FILTER;if(filter){params={FILTER:filter}}else{params={BBOX:this.encodeBBOX?tileBounds.toBBOX():tileBounds.toArray()}}if(this.map&&!this.projection.equals(this.map.getProjectionObject())){var projectedBounds=tileBounds.clone();projectedBounds.transform(this.map.getProjectionObject(),this.projection);if(!filter){params.BBOX=this.encodeBBOX?projectedBounds.toBBOX():projectedBounds.toArray()}}url+="&"+OpenLayers.Util.getParameterString(params);if(!this.tile){this.tile=new OpenLayers.Tile.WFS(this,pos,tileBounds,url,tileSize);this.addTileMonitoringHooks(this.tile);this.tile.draw()}else{if(this.vectorMode){this.destroyFeatures();this.renderer.clear()}else{this.clearMarkers()}this.removeTileMonitoringHooks(this.tile);this.tile.destroy();this.tile=null;this.tile=new OpenLayers.Tile.WFS(this,pos,tileBounds,url,tileSize);this.addTileMonitoringHooks(this.tile);this.tile.draw()}}},addTileMonitoringHooks:function(tile){tile.onLoadStart=function(){if(this==this.layer.tile){this.layer.events.triggerEvent("loadstart")}};tile.events.register("loadstart",tile,tile.onLoadStart);tile.onLoadEnd=function(){if(this==this.layer.tile){this.layer.events.triggerEvent("tileloaded");this.layer.events.triggerEvent("loadend")}};tile.events.register("loadend",tile,tile.onLoadEnd);tile.events.register("unload",tile,tile.onLoadEnd)},removeTileMonitoringHooks:function(tile){tile.unload();tile.events.un({"loadstart":tile.onLoadStart,"loadend":tile.onLoadEnd,"unload":tile.onLoadEnd,scope:tile})},onMapResize:function(){if(this.vectorMode){OpenLayers.Layer.Vector.prototype.onMapResize.apply(this,arguments)}else{OpenLayers.Layer.Markers.prototype.onMapResize.apply(this,arguments)}},display:function(){if(this.vectorMode){OpenLayers.Layer.Vector.prototype.display.apply(this,arguments)}else{OpenLayers.Layer.Markers.prototype.display.apply(this,arguments)}},mergeNewParams:function(newParams){var upperParams=OpenLayers.Util.upperCaseObject(newParams);var newArguments=[upperParams];return OpenLayers.Layer.HTTPRequest.prototype.mergeNewParams.apply(this,newArguments)},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer.WFS(this.name,this.url,this.params,this.options)}if(this.vectorMode){obj=OpenLayers.Layer.Vector.prototype.clone.apply(this,[obj])}else{obj=OpenLayers.Layer.Markers.prototype.clone.apply(this,[obj])}return obj},getFullRequestString:function(newParams,altUrl){var projectionCode=this.projection.getCode()||this.map.getProjection();this.params.SRS=(projectionCode=="none")?null:projectionCode;return OpenLayers.Layer.Grid.prototype.getFullRequestString.apply(this,arguments)},commit:function(){if(!this.writer){var options={};if(this.map&&!this.projection.equals(this.map.getProjectionObject())){options.externalProjection=this.projection;options.internalProjection=this.map.getProjectionObject()}this.writer=new OpenLayers.Format.WFS(options,this)}var data=this.writer.write(this.features);OpenLayers.Request.POST({url:this.url,data:data,success:this.commitSuccess,failure:this.commitFailure,scope:this})},commitSuccess:function(request){var response=request.responseText;if(response.indexOf('SUCCESS')!=-1){this.commitReport(OpenLayers.i18n("commitSuccess",{'response':response}));for(var i=0;i<this.features.length;i++){this.features[i].state=null}}else if(response.indexOf('FAILED')!=-1||response.indexOf('Exception')!=-1){this.commitReport(OpenLayers.i18n("commitFailed",{'response':response}))}},commitFailure:function(request){},commitReport:function(string,response){OpenLayers.Console.userError(string)},refresh:function(){if(this.tile){if(this.vectorMode){this.renderer.clear();this.features.length=0}else{this.clearMarkers();this.markers.length=0}this.tile.draw()}},getDataExtent:function(){var extent;if(this.vectorMode){extent=OpenLayers.Layer.Vector.prototype.getDataExtent.apply(this)}else{extent=OpenLayers.Layer.Markers.prototype.getDataExtent.apply(this)}return extent},setOpacity:function(opacity){if(this.vectorMode){OpenLayers.Layer.Vector.prototype.setOpacity.apply(this,[opacity])}else{OpenLayers.Layer.Markers.prototype.setOpacity.apply(this,[opacity])}},CLASS_NAME:"OpenLayers.Layer.WFS"});
BGBM BDI Projects / geo.git / blobdiff