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

public class Fenetre extends JFrame{


	public Fenetre(){
		Boutons pan = new Boutons();
		this.setSize(450, 450);
   		this.setLocation(500, 500);
   		this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
		this.setContentPane(pan);

		addWindowListener(new WindowAdapter()
		{
			public void windowClosing(WindowEvent e)
			{
				if(fermerFenetre()==true){
					dispose();
					System.exit(0);
				}
				return;
			}
		});
	}

	private boolean fermerFenetre() {
	    JOptionPane option = new JOptionPane("Voulez-vous vraiment quitter ce programme ?", JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_OPTION);
	    JDialog confirmation = option.createDialog(this, "Confirmation de fermeture");

	    confirmation.setSize(400, 120);
	    confirmation.setVisible(true);
	    int result = (int) option.getValue();
	    confirmation.dispose();
	    return result == JOptionPane.YES_OPTION;
	}
}