static Handle createHandle(
     GraphicalEditPart owner, int direction, DragTracker tracker, Cursor cursor) {
   ResizeHandle handle = new ResizeHandle(owner, direction);
   handle.setCursor(cursor);
   handle.setDragTracker(tracker);
   return handle;
 }
 static Handle createHandle(GraphicalEditPart owner, int direction) {
   ResizeHandle handle = new ResizeHandle(owner, direction);
   handle.setCursor(SharedCursors.SIZEALL);
   handle.setDragTracker(new DragEditPartsTracker(owner));
   return handle;
 }