private void initialGUI(Container content,
final DefaultModalGraphMouse<Integer, Number> graphMouse) {
Vector<Class<? extends Layout<Vertex, Edge>>> combos = getCombos();
final JComboBox jcb = new JComboBox(combos);
// use a renderer to shorten the layout name presentation
jcb.setRenderer(new DefaultListCellRenderer() {
private static final long serialVersionUID = 2886015296102490146L;
public Component getListCellRendererComponent(JList list,
Object value, int index, boolean isSelected,
boolean cellHasFocus) {