changes to WMSGetFeatureInfo so requests can be sent on click,

rightclick, and dblclick, r=bartvde (closes #2528)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10117 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/WMSGetFeatureInfo.js

@@ -23,7 +23,7 @@
  *  - <OpenLayers.Control>
  */
 OpenLayers.Control.WMSGetFeatureInfo = OpenLayers.Class(OpenLayers.Control, {
-    
+
    /**
      * APIProperty: hover
      * {Boolean} Send GetFeatureInfo requests when mouse stops moving.
@@ -46,6 +46,13 @@ OpenLayers.Control.WMSGetFeatureInfo = OpenLayers.Class(OpenLayers.Control, {
      *     requests.
      */
     maxFeatures: 10,
+
+    /** APIProperty: clickCallback
+     *  {String} The click callback to register in the
+     *      {<OpenLayers.Handler.Click>} object created when the hover
+     *      option is set to false. Default is "click".
+     */
+    clickCallback: "click",
     
     /**
      * Property: layers
@@ -192,8 +199,10 @@ OpenLayers.Control.WMSGetFeatureInfo = OpenLayers.Class(OpenLayers.Control, {
                        'delay': 250
                    }));
         } else {
-            this.handler = new OpenLayers.Handler.Click(this,
-                {click: this.getInfoForClick}, this.handlerOptions.click || {});
+            var callbacks = {};
+            callbacks[this.clickCallback] = this.getInfoForClick;
+            this.handler = new OpenLayers.Handler.Click(
+                this, callbacks, this.handlerOptions.click || {});
         }
     },