import javax.swing.*;
import java.awt.*;
import java.awt.event.*;


public class LesMenus extends JFrame {

    JLabel statusline;
    JTextArea textArea;

    public static void main(String argv[]) {
	LesMenus toplevel = new LesMenus();
	// initialiser la disposition et rendre visible
	toplevel.pack();
	toplevel.show();
    }

    public LesMenus() {
	setTitle("Les Menus");
	Container contentPane = getContentPane();
	//NB: Layout par defaut de contentPane: BorderLayout 

	// creer la barre de menu
	JMenuBar menubar = new JMenuBar();
	contentPane.add(BorderLayout.NORTH, menubar);

	// creer et ajouter les menus au MenuBar
	menubar.add(CreerFileMenu());
	menubar.add(CreerEditMenu());

	// Zone de texte (au "centre" de la fenêtre principale)
	textArea = new JTextArea(10, 25);
	textArea.setBackground(Color.white);
	contentPane.add(BorderLayout.CENTER, textArea);
	
	// "status line"
	statusline = new JLabel("Ready");
	contentPane.add(BorderLayout.SOUTH, statusline);
    }


    JMenu CreerFileMenu() {
	JMenu menu = new JMenu("File");
	JMenuItem 
	    open = new JMenuItem("Open"),
	    save = new JMenuItem("Save"),
	    exit = new JMenuItem("Exit");
	menu.add(open);
	menu.add(save);
	menu.addSeparator();
	menu.add(exit);

	ActionListener al = new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    String actionCommand = e.getActionCommand();
		    statusline.setText(actionCommand);
		}
	    };
	
	// associer cet ActionListener aux MenuItems
	open.addActionListener(al);
	save.addActionListener(al);

	exit.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    System.exit(0);
		}
	    });
			       
	return menu;
    }


    JMenu CreerEditMenu() {
	JMenu menu = new JMenu("Edit");
	JMenuItem 
	    undo  = new JMenuItem("Undo"),
	    cut   = new JMenuItem("Cut"),
	    copy  = new JMenuItem("Copy"),
	    paste = new JMenuItem("Paste");
	menu.add(undo);
	menu.addSeparator();
	menu.add(cut);
	menu.add(copy);
	menu.add(paste);

	ActionListener al = new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    String actionCommand = e.getActionCommand();
		    statusline.setText(actionCommand);
		}
	    };
	
	// associer cet ActionListener aux MenuItems
	undo.addActionListener(al);
	cut.addActionListener(al);
	copy.addActionListener(al);
	paste.addActionListener(al);
	return menu;
    }
}