graphMouse.addItemListener(magnifyViewSupport.getGraphMouse().getModeListener());
ButtonGroup graphRadio = new ButtonGroup();
JRadioButton graphButton = new JRadioButton("Graph");
graphButton.setSelected(true);
graphButton.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
if(e.getStateChange() == ItemEvent.SELECTED) {
visualizationModel.setGraphLayout(graphLayout);
vv.getRenderContext().setVertexShapeTransformer(ovals);