svn copying WMS.js to WFS.js

git-svn-id: http://svn.openlayers.org/trunk/openlayers@154 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/WFS.js

@@ -0,0 +1,60 @@
+OpenLayers.Layer.WMS = Class.create();
+OpenLayers.Layer.WMS.prototype = 
+  Object.extend( new OpenLayers.Layer.Grid(), {
+
+    // hash
+    DEFAULT_PARAMS: {
+        service: "WMS",
+        version: "1.1.1",
+        request: "GetMap",
+        srs: "EPSG:4326",
+        styles: "",
+        exceptions: "application/vnd.ogc.se_inimage",
+        format: "image/jpeg"
+    },
+
+    /**
+    * @param {str} name
+    * @param {str} url
+    * @param {hash} params
+    */
+    initialize: function(name, url, params) {
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, arguments);
+        OpenLayers.Util.applyDefaults( this.params, this.DEFAULT_PARAMS );
+    },    
+    
+    /**
+    * @param
+    */
+    clone: function (name, params) {
+        var mergedParams = {}
+        Object.extend(mergedParams, this.params);
+        Object.extend(mergedParams, params);
+        var obj = new OpenLayers.Layer.WMS(name, this.url, mergedParams);
+        obj.setTileSize( this.tileSize );
+        return obj;
+    },
+
+    /**
+    * addTile creates a tile, initializes it (via 'draw' in this case), and 
+    * adds it to the layer div. THe tile itself is then returned so that info
+    * about it can be stored for later reuse.
+    * @param {OpenLayers.Bounds} bounds
+    */
+    addTile:function(bounds,position) {
+        url = this.getFullRequestString(
+                     {bbox:bounds.toBBOX(),
+                      width:this.tileSize.w,
+                      height:this.tileSize.h});
+        var tile = new OpenLayers.Tile.Image(bounds, url, this.tileSize);
+        tile.draw();
+        tile.setPosition(position);
+        this.div.appendChild(tile.img);
+        return tile;
+    },
+
+    _initTiles: function () {
+        this.div.innerHTML="";
+        OpenLayers.Layer.Grid.prototype._initTiles.apply(this, arguments);
+    }
+});