Drag and drop functionality vastly improved in usability.

www/extras/wobject/Survey/dd.js

@@ -5,6 +5,8 @@ var Dom = YAHOO.util.Dom;
 var Event = YAHOO.util.Event;
 var DDM = YAHOO.util.DragDropMgr;
 
+var currentDest;
+
 Survey.DDList = function(id, sGroup, config) {
 
     Survey.DDList.superclass.constructor.call(this, id, sGroup, config);
@@ -61,30 +63,10 @@ YAHOO.extend(Survey.DDList, YAHOO.util.DDProxy, {
         a.animate();
     },
 
+    onInvalidDrop: function(e, id) {
+        Survey.Data.dragDrop(this.getEl());
+    },
     onDragDrop: function(e, id) {
-
-        // If there is one drop interaction, the li was dropped either on the list,
-        // or it was dropped on the current location of the source element.
-        if (DDM.interactionInfo.drop.length === 1) {
-
-            // The position of the cursor at the time of the drop (YAHOO.util.Point)
-            var pt = DDM.interactionInfo.point; 
-
-            // The region occupied by the source element at the time of the drop
-            var region = DDM.interactionInfo.sourceRegion; 
-
-            // Check to see if we are over the source element's location.  We will
-            // append to the bottom of the list once we are sure it was a drop in
-            // the negative space (the area of the list without any list items)
-            if (!region.intersect(pt)) {
-                var destEl = Dom.get(id);
-                var destDD = DDM.getDDById(id);
-                destEl.appendChild(this.getEl());
-                destDD.isEmpty = false;
-                DDM.refreshCache();
-            }
-
-        }
         Survey.Data.dragDrop(this.getEl());
     },
 
@@ -110,6 +92,8 @@ YAHOO.extend(Survey.DDList, YAHOO.util.DDProxy, {
         // We are only concerned with list items, we ignore the dragover
         // notifications for the list.
         if (destEl.nodeName.toLowerCase() == "li") {
+currentDest = destEl;
+console.log(destEl);
             var orig_p = srcEl.parentNode;
             var p = destEl.parentNode;