Abort XMLHttpRequest on tile.destroy for WFS. The loadURL function now returns a request object. Thanks pgiraud for the fix. r=crschmidt (closes #964)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@5539 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Tile/WFS.js

@@ -28,6 +28,12 @@ OpenLayers.Tile.WFS = OpenLayers.Class(OpenLayers.Tile, {
      */
     url: null,
     
+    /** 
+     * Property: request 
+     * {OpenLayers.Ajax.Request} 
+     */ 
+    request: null,     
+    
     /** TBD 3.0 - reorder the parameters to the init function to put URL 
      *             as last, so we can continue to call tile.initialize() 
      *             without changing the arguments. 
@@ -57,6 +63,9 @@ OpenLayers.Tile.WFS = OpenLayers.Class(OpenLayers.Tile, {
         this.destroyAllFeatures();
         this.features = null;
         this.url = null;
+        if(this.request) {
+            this.request.transport.abort();
+        }
     },
 
     /** 
@@ -97,7 +106,7 @@ OpenLayers.Tile.WFS = OpenLayers.Class(OpenLayers.Tile, {
     * failure - {function}
     */
     loadFeaturesForRegion:function(success, failure) {
-        OpenLayers.loadURL(this.url, null, this, success);
+        this.request = OpenLayers.loadURL(this.url, null, this, success);
     },
     
     /**