* @param model the <code>GraphModel</code> to use as the data model
* @param view the <code>GraphLayoutCache</code> to use as the view
*/
public JmtJGraph(GraphModel model, GraphLayoutCache view, BasicMarqueeHandler mh, Mediator m) {
setMediator(m);
selectionModel = new DefaultGraphSelectionModel(this);
setLayout(null);
marquee = mh;
if (view == null) {
view = createDefaultGraphView(this);
}