import java.awt.event.*; public class observateurFenetre implements WindowListener{ private plateau plat; public observateurFenetre(plateau plat0){ this.plat=plat0; } public void windowActivated(WindowEvent evenement){ } // premier plan public void windowClosed(WindowEvent evenement){ } // après fermeture public void windowClosing(WindowEvent evenement){ this.plat.save(); } // avant fermeture public void windowDeactivated(WindowEvent evenement){ } // arrière-plan public void windowDeiconified(WindowEvent evenement){ } // restauration public void windowIconified(WindowEvent evenement){ } // minimisation public void windowOpened(WindowEvent evenement){ } // après ouverture }