fix for WFS Layer getDataExtent always pulls from markers subclass, r=tschaub

(Closes #1725)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@8929 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/WFS.js

@@ -532,5 +532,24 @@ OpenLayers.Layer.WFS = OpenLayers.Class(
         }
     },
     
+    /** 
+     * APIMethod: getDataExtent
+     * Calculates the max extent which includes all of the layer data.
+     * 
+     * Returns:
+     * {<OpenLayers.Bounds>}
+     */
+    getDataExtent: function () {
+        var extent; 
+        //get all additions from superclasses
+        if (this.vectorMode) {
+            extent = OpenLayers.Layer.Vector.prototype.getDataExtent.apply(this);
+        } else {
+            extent = OpenLayers.Layer.Markers.prototype.getDataExtent.apply(this);
+        }    
+
+        return extent;
+    },
+
     CLASS_NAME: "OpenLayers.Layer.WFS"
 });

tests/Layer/WFS.html

@@ -15,6 +15,16 @@
 
     }
     
+    function test_Layer_WFS_getDataExtent(t) {
+        t.plan(1);
+
+        var layer = new OpenLayers.Layer.WFS(name, "url", {});
+        layer.addFeatures(new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(0, 0)));
+        layer.addFeatures(new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(0, 1)));
+        t.eq(layer.getDataExtent().toBBOX(), "0,0,0,1", "bbox is correctly pulled from vectors.");
+
+    }
+    
     function test_Layer_WFS_destroy(t) {
         t.plan(13);