Commit a 'changeParams' method, along with test and example, to show how it would be possible to use WMS-T with changeParams. ChangeParams sets the new params, then recalls initTiles with the new params set.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@843 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2006-06-30 23:59:42 +00:00
parent c958f9f88a
commit 2117aa0539
4 changed files with 78 additions and 0 deletions
@@ -309,6 +309,16 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
    addTile:function(bounds,position) {
        // Should be implemented by subclasses
    },
+
+    /**
+     * changeParams is designed to allow you to change the 
+     * parameters of a layer after it's created.
+     * @param {Object} params Hash of new params to use
+     */
+    changeParams:function(params) {
+        this.params = Object.extend(this.params, OpenLayers.Util.upperCaseObject(params));
+        this._initTiles();
+    },
    
    /** 
     * @returns Degrees per Pixel
@@ -92,6 +92,17 @@ OpenLayers.Layer.WMS.Untiled.prototype =
            tile.draw();
        }
    },
+    
+    /**
+     * changeParams is designed to allow you to change the 
+     * parameters of a layer after it's created.
+     * @param {Object} params Hash of new params to use
+     */
+    changeParams:function(params) {
+        this.params = Object.extend(this.params, OpenLayers.Util.upperCaseObject(params));
+        this._initTiles();
+    },
+    
    /** @final @type String */
    CLASS_NAME: "OpenLayers.Layer.WMS.Untiled"
 });