/*
  * (non-Javadoc)
  *
  * @see org.jgraph.graph.GraphModel#remove(java.lang.Object[])
  */
 public void remove(Object[] cells) {
   if (cells != null) {
     try {
       processRemove(cells, true);
       super.remove(cells);
     } catch (Exception e) {
       e.printStackTrace();
     }
   } else {
     super.remove(cells);
   }
 }