int zoneNumber = 0;
int zoneIndex = 0;
final Widget dropTarget = context.finalDropController.getDropTarget();
if (dropTarget instanceof DropZonePanel)
{
final DropZonePanel dropPanel = (DropZonePanel) dropTarget;
zoneNumber = dropPanel.getZoneNumber();
zoneIndex = dropPanel.getVisibleGadgetPosition(gadgetZone);
}
gadgetZone.setDropZone(dropTarget);
GadgetModel.getInstance().reorder(