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Recover properly from a failed notes load

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Patch OpenLayers so that it doesn't consider an area as loaded if
the HTTP request fails, so that it will try and load the area when
you zoom back in again.
This commit is contained in:
Tom Hughes 2012-10-16 13:09:52 +01:00
parent c0ee3f65bb
commit 9f560df39d
1 changed files with 2 additions and 2 deletions
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4
vendor/assets/openlayers/OpenLayers.js vendored
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@ -944,8 +944,8 @@ var invalid=!this.bounds||!this.bounds.containsBounds(mapBounds);if(!invalid&&th
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");}
this.layer.events.triggerEvent("loadstart");this.response=this.layer.protocol.read(OpenLayers.Util.applyDefaults({filter:this.createFilter(),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();var features=resp.features;if(features&&features.length>0){var remote=this.layer.projection;var local=this.layer.map.getProjectionObject();if(!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);}
return filter;},merge:function(resp){this.layer.destroyFeatures();if(resp.code==OpenLayers.Protocol.Response.SUCCESS){var features=resp.features;if(features&&features.length>0){var remote=this.layer.projection;var local=this.layer.map.getProjectionObject();if(!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");},CLASS_NAME:"OpenLayers.Strategy.BBOX"});OpenLayers.Handler.Feature=OpenLayers.Class(OpenLayers.Handler,{EVENTMAP:{'click':{'in':'click','out':'clickout'},'mousemove':{'in':'over','out':'out'},'dblclick':{'in':'dblclick','out':null},'mousedown':{'in':null,'out':null},'mouseup':{'in':null,'out':null},'touchstart':{'in':'click','out':'clickout'}},feature:null,lastFeature:null,down:null,up:null,touch:false,clickTolerance:4,geometryTypes:null,stopClick:true,stopDown:true,stopUp:false,initialize:function(control,layer,callbacks,options){OpenLayers.Handler.prototype.initialize.apply(this,[control,callbacks,options]);this.layer=layer;},touchstart:function(evt){if(!this.touch){this.touch=true;this.map.events.un({mousedown:this.mousedown,mouseup:this.mouseup,mousemove:this.mousemove,click:this.click,dblclick:this.dblclick,scope:this});}
return OpenLayers.Event.isMultiTouch(evt)?true:this.mousedown(evt);},touchmove:function(evt){OpenLayers.Event.stop(evt);},mousedown:function(evt){if(OpenLayers.Event.isLeftClick(evt)||OpenLayers.Event.isSingleTouch(evt)){this.down=evt.xy;}
return this.handle(evt)?!this.stopDown:true;},mouseup:function(evt){this.up=evt.xy;return this.handle(evt)?!this.stopUp:true;},click:function(evt){return this.handle(evt)?!this.stopClick:true;},mousemove:function(evt){if(!this.callbacks['over']&&!this.callbacks['out']){return true;}