Hi,

in the Drag & Drop event Handler, there is a variant for gecko browsers 
which is supposed to work around a gecko bug (I don't know the 
internals). The workaround, however, makes it impossible to drag nodes 
WITHIN a treeVirtual. This patch fixes this. I don't know the side 
effects of this, but I hope this patch can be committed to 
/frontend/framework/source/class/qx/event/handler/DragAndDropHandler.js.

Thanks,
Christian

Index: 
F:/xampp/htdocs/qooxdoo-trunk/frontend/framework/source/class/qx/event/handler/DragAndDropHandler.js
===================================================================
--- 
F:/xampp/htdocs/qooxdoo-trunk/frontend/framework/source/class/qx/event/handler/DragAndDropHandler.js
    
(revision 9009)
+++ 
F:/xampp/htdocs/qooxdoo-trunk/frontend/framework/source/class/qx/event/handler/DragAndDropHandler.js
    
(working copy)
@@ -259,7 +259,7 @@
           vCurrent = 
qx.event.handler.EventHandler.getTargetObject(null, vCurrent);
         }
 
-        while (vCurrent != null && vCurrent != 
this.__dragCache.sourceWidget)
+        while (vCurrent != null )
         {
           if (!vCurrent.supportsDrop(this.__dragCache)) {
             return null;


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