Ticket #1220: preaddlayer.patch

lib/OpenLayers/Map.js

@@ -45 +45 @@
-     *  - other properties that come with browser events
-     *
-     * Supported map event types:
+     *  - *preaddlayer* triggered before a layer has been added.  The event
+     *      object will include a *layer* property that references the layer  
+     *      to be added.
-     *  - *addlayer* triggered after a layer has been added.  The event object
-     *      will include a *layer* property that references the added layer.
-     *  - *removelayer* triggered after a layer has been removed.  The event
@@ -731 +734 @@
-                return false;
-            }
-        }    
+
+        this.events.triggerEvent("preaddlayer", {layer: layer});
-        
-        layer.div.style.overflow = "";
-        this.setLayerZIndex(layer, this.layers.length);