modify Grid to use HTTPRequest, update WMS & WFS with their necessary specifications -- capitalizing all parameters and adding SRS param from getProjection()

git-svn-id: http://svn.openlayers.org/trunk/openlayers@888 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/WFS.js

@@ -117,6 +117,38 @@ OpenLayers.Layer.WFS.prototype =
     },
 
 
+
+    /**
+     * Catch changeParams and uppercase the new params to be merged in
+     *  before calling changeParams on the super class.
+     * 
+     * Once params have been changed, we will need to re-init our tiles
+     * 
+     * @param {Object} params Hash of new params to use
+     */
+    mergeNewParams:function(params) {
+        var upperParams = OpenLayers.Util.upperCaseObject(params);
+        var newArguments = [upperParams];
+        OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(this, newArguments);
+
+        this._initTiles();
+    },
+
+    /** combine the layer's url with its params and these newParams. 
+    *   
+    *    Add the SRS parameter from getProjection() -- this is probably
+    *     more eloquently done via a setProjection() method, but this 
+    *     works for now and always.
+    * 
+    * @param {Object} newParams
+    * 
+    * @type String
+    */
+    getFullRequestString:function(newParams) {
+        this.params.SRS = this.map.getProjection();
+        return OpenLayers.Layer.Grid.prototype.getFullRequestString.apply(
+                                                    this, arguments);
+    },
     /** @final @type String */
     CLASS_NAME: "OpenLayers.Layer.WFS"
 }