*/
public static void updateDragListeners(Dockable dockable) {
if (dockable == null)
return;
DragManager dragListener = getDragListener(dockable);
if (dragListener == null) {
dragListener = new DragManager(dockable);
}
for (Iterator it = dockable.getDragSources().iterator(); it.hasNext();) {
Object obj = it.next();
if (obj instanceof Component) {