Menu avec swing

package hacktrack.menus;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;

public class MenuDemo extends JFrame {
	private Container c;
	private JTabbedPane tabbedPane;
	private JPanel jp1, jp2, jp3;

	public MenuDemo() {
		super("Menu Demo");
		init();
	}

	private void init() {
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		c = getContentPane();
		c.setLayout(new BorderLayout());
		tabbedPane = new JTabbedPane();
		tabbedPane.setPreferredSize(new Dimension(640, 480));
		jp1 = new JPanel();
		jp1.add(new JLabel("Panel 1"));
		tabbedPane.add("Tabbed panel 1", jp1);
		jp2 = new JPanel();
		jp2.add(new JLabel("Panel 2"));
		tabbedPane.add("Tabbed panel 2", jp2);
		jp3 = new JPanel();
		jp3.add(new JLabel("Panel 3"));
		tabbedPane.add("Tabbed panel 3", jp3);
		c.add(tabbedPane, BorderLayout.CENTER);

		JMenuBar menuBar = new JMenuBar();
		JMenu demoMenu = new JMenu("Cliquez moi...");
		
		JMenuItem jm1 =  createMenu("Activer le panel 1", jp1);
		demoMenu.add(jm1);
		
		JMenuItem jm2 =  createMenu("Activer le panel 2", jp2);
		demoMenu.add(jm2);
		JMenuItem jm3=createMenu("Activer le panel 3", jp3);
		demoMenu.add(jm3);
		
		menuBar.add(demoMenu);
		
		setJMenuBar(menuBar);
	}

	private JMenuItem createMenu(String title, JPanel panelToActivate) {
		TabSelectAction action = new TabSelectAction(title, panelToActivate);
		JMenuItem menuForPanel = new JMenuItem(action);
		menuForPanel.setPreferredSize(new Dimension(160, 20));
		return menuForPanel;
	}

	class TabSelectAction extends AbstractAction {
		private JPanel panelToActivate;

		public TabSelectAction(String title, JPanel panelToActivate) {
			super(title);
			this.panelToActivate = panelToActivate;
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			tabbedPane.setSelectedComponent(panelToActivate);
			tabbedPane.repaint();
		}
	}

	public static void main(String[] args) {
		MenuDemo demo = new MenuDemo();
		demo.pack();
		demo.setVisible(true);
	}
}