/** TabbedPaneDemo Constructor */
  public TabbedPaneDemo(SwingSet2 swingset) {
    // Set the title for this demo, and an icon used to represent this
    // demo inside the SwingSet2 app.
    super(swingset, "TabbedPaneDemo", "toolbar/JTabbedPane.gif");

    // create tab position controls
    JPanel tabControls = new JPanel();
    tabControls.add(new JLabel(getString("TabbedPaneDemo.label")));
    top = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.top")));
    left = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.left")));
    bottom = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.bottom")));
    right = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.right")));
    getDemoPanel().add(tabControls, BorderLayout.NORTH);

    group = new ButtonGroup();
    group.add(top);
    group.add(bottom);
    group.add(left);
    group.add(right);

    top.setSelected(true);

    top.addActionListener(this);
    bottom.addActionListener(this);
    left.addActionListener(this);
    right.addActionListener(this);

    // create tab
    tabbedpane = new JTabbedPane();
    getDemoPanel().add(tabbedpane, BorderLayout.CENTER);

    String name = getString("TabbedPaneDemo.laine");
    JLabel pix = new JLabel(createImageIcon("tabbedpane/laine.jpg", name));
    tabbedpane.add(name, pix);

    name = getString("TabbedPaneDemo.ewan");
    pix = new JLabel(createImageIcon("tabbedpane/ewan.jpg", name));
    tabbedpane.add(name, pix);

    name = getString("TabbedPaneDemo.hania");
    pix = new JLabel(createImageIcon("tabbedpane/hania.jpg", name));
    tabbedpane.add(name, pix);

    name = getString("TabbedPaneDemo.bounce");
    spin = new HeadSpin();
    tabbedpane.add(name, spin);

    tabbedpane
        .getModel()
        .addChangeListener(
            new ChangeListener() {
              public void stateChanged(ChangeEvent e) {
                SingleSelectionModel model = (SingleSelectionModel) e.getSource();
                if (model.getSelectedIndex() == tabbedpane.getTabCount() - 1) {
                  spin.go();
                }
              }
            });
  }
 public void actionPerformed(ActionEvent e) {
   if (e.getSource() == top) {
     tabbedpane.setTabPlacement(JTabbedPane.TOP);
   } else if (e.getSource() == left) {
     tabbedpane.setTabPlacement(JTabbedPane.LEFT);
   } else if (e.getSource() == bottom) {
     tabbedpane.setTabPlacement(JTabbedPane.BOTTOM);
   } else if (e.getSource() == right) {
     tabbedpane.setTabPlacement(JTabbedPane.RIGHT);
   }
 }