add support for WFS hit count (1.1) in WFST Format, r=ahocevar (closes #2131)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10268 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Format/WFST/v1_1_0.js

@@ -33,6 +33,12 @@ OpenLayers.Format.WFST.v1_1_0 = OpenLayers.Class(
      * Constructor: OpenLayers.Format.WFST.v1_1_0
      * A class for parsing and generating WFS v1.1.0 transactions.
      *
+     * To read additional information like hit count (numberOfFeatures) from
+     * the  FeatureCollection, call the <OpenLayers.Format.WFST.v1.read> method
+     * with {output: "object"} as 2nd argument. Note that it is possible to
+     * just request the hit count from a WFS 1.1.0 server with the
+     * resultType="hits" request parameter.
+     *
      * Parameters:
      * options - {Object} Optional object whose properties will be set on the
      *     instance.
@@ -59,6 +65,12 @@ OpenLayers.Format.WFST.v1_1_0 = OpenLayers.Class(
      */
     readers: {
         "wfs": OpenLayers.Util.applyDefaults({
+            "FeatureCollection": function(node, obj) {
+                obj.numberOfFeatures = parseInt(node.getAttribute(
+                    "numberOfFeatures"));
+                OpenLayers.Format.WFST.v1.prototype.readers["wfs"]["FeatureCollection"].apply(
+                    this, arguments);
+            },
             "TransactionResponse": function(node, obj) {
                 obj.insertIds = [];
                 obj.success = false;