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 || {});
         }
     },
 

tests/Control/WMSGetFeatureInfo.html

@@ -25,6 +25,50 @@
         t.eq(control.format.foo, "bar", "format options used")
     }
 
+    function test_clickCallBack_option(t) {
+        t.plan(9);
+
+        var control;
+
+        control = new OpenLayers.Control.WMSGetFeatureInfo({
+            hover: true
+        });
+        t.ok(control.handler instanceof OpenLayers.Handler.Hover,
+             'constructor creates hover handler');
+        t.ok(control.handler.callbacks["move"] === control.cancelHover,
+             'constructor registers proper "move" callback in handler');
+        t.ok(control.handler.callbacks["pause"] === control.getInfoForHover,
+             'constructor registers proper "pause" callback in handler');
+
+        control = new OpenLayers.Control.WMSGetFeatureInfo();
+        t.ok(control.handler instanceof OpenLayers.Handler.Click,
+             'constructor creates click handler');
+        t.ok(control.handler.callbacks["click"] === control.getInfoForClick,
+             'constructor registers proper "click" callback in handler');
+
+        control = new OpenLayers.Control.WMSGetFeatureInfo({
+            clickCallback: "rightclick"
+        });
+        t.ok(control.handler.callbacks["rightclick"] === control.getInfoForClick,
+             'constructor registers proper "rightclick" callback in handler');
+
+        control = new OpenLayers.Control.WMSGetFeatureInfo({
+            clickCallback: "dblclick",
+            handlerOptions: {
+                click: {
+                    "single": false,
+                    "double": true
+                }
+            }
+        });
+        t.ok(control.handler.callbacks["dblclick"] === control.getInfoForClick,
+             'constructor registers proper "dblclick" callback in handler');
+        t.eq(control.handler["single"], false,
+             'constructor sets "single" to false in handler');
+        t.eq(control.handler["double"], true,
+             'constructor sets "double" to true in handler');
+     }
+
     function test_destroy(t) {
         t.plan(2);
         var map = new OpenLayers.Map("map");