Add a moveend event to layer. By registering to that event (instead of that at

the map level) strategies need to check that the layer is in range and active
before fetching new features. r=ahocevar (closes #1678)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@7874 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer.js

@@ -74,8 +74,12 @@ OpenLayers.Layer = OpenLayers.Class({
      *  - *loadend* Triggered when layer loading ends.
      *  - *loadcancel* Triggered when layer loading is canceled.
      *  - *visibilitychanged* Triggered when layer visibility is changed.
+     *  - *moveend* Triggered when layer is moved, object passed as
+     *      argument has a zoomChanged boolean property which tells that the
+     *      zoom has changed.
      */
-    EVENT_TYPES: ["loadstart", "loadend", "loadcancel", "visibilitychanged"],
+    EVENT_TYPES: ["loadstart", "loadend", "loadcancel", "visibilitychanged",
+                  "moveend"],
         
     /**
      * APIProperty: events

lib/OpenLayers/Map.js

@@ -1567,6 +1567,9 @@ OpenLayers.Map = OpenLayers.Class({
                     }
                     if (inRange && layer.visibility) {
                         layer.moveTo(bounds, zoomChanged, dragging);
+                        layer.events.triggerEvent("moveend",
+                            {"zoomChanged": zoomChanged}
+                        );
                     }
                 }                
             }