Giving the drag handler a stopDown property. Set this to true in the constructor options to let mousedown events propagate. r=crschmidt (closes #1247)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@5697 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/Drag.js

@@ -36,6 +36,13 @@ OpenLayers.Handler.Drag = OpenLayers.Class(OpenLayers.Handler, {
      */
     started: false,
     
+    /**
+     * Property: stopDown
+     * {Boolean} Stop propagation of mousedown events from getting to listeners
+     *     on the same element.  Default is true.
+     */
+    stopDown: true,
+
     /** 
      * Property: dragging 
      * {Boolean} 
@@ -164,7 +171,7 @@ OpenLayers.Handler.Drag = OpenLayers.Class(OpenLayers.Handler, {
                 document.onselectstart = function() {return false;};
             }
             
-            propagate = false;
+            propagate = !this.stopDown;
         } else {
             this.started = false;
             this.start = null;