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| // importation des classes du package
// Abstract Windowing Toolkit
import java.awt.*;
// importation des classes du projet Swing
import javax.swing.*;
// importation des classes event
import java.awt.event.*;
public class myFrame extends JFrame implements WindowListener,ActionListener {
// Define global component
JMenuItem quitter = null;
// Define constructor
myFrame(){
// Set initial parameters
setSize(300,300);
setTitle("My first frame =)");
setLocationRelativeTo(null);
// Define item menu for Fichier Menu
JMenuItem quitter = new JMenuItem("Quitter");
quitter.addActionListener(this);
JMenu fichier = new JMenu("Fichier");
fichier.add(quitter);
// Define item menu for Apparence Menu
JMenuItem change = new JMenuItem("Changer");
change.addActionListener(this);
JMenu apparence = new JMenu("Apparence");
apparence.add(change);
// Define the menu Bar
JMenuBar mBar = new JMenuBar();
mBar.add(apparence);
mBar.add(fichier);
setJMenuBar(mBar);
// Add windowListener
addWindowListener(this);
// Display the frame
setVisible(true);
}
public static void main(String Argv[]){
myFrame exo1 = new myFrame();
}
// Redefine methods from ActionListener
public void actionPerformed(ActionEvent ae){
if (ae.getActionCommand() == "Quitter") {
ConfirmExit();
}
else if (ae.getActionCommand() == "Changer") {
ChooseFigure figure = new ChooseFigure(this,"Modifier la figure",true,200,100);
}
}
// Redefine methods from WindowListener
public void windowActivated(WindowEvent we){
}
public void windowClosed(WindowEvent we){
}
public void windowClosing(WindowEvent we){
ConfirmExit();
}
public void windowDeactivated(WindowEvent we){
}
public void windowDeiconified(WindowEvent we){
}
public void windowIconified(WindowEvent we){
}
public void windowOpened(WindowEvent we){
}
public void ConfirmExit() {
int choix;
choix = JOptionPane.showConfirmDialog(this,"Etes-vous sûr de vouloir quitter ?","Attention !",JOptionPane.OK_CANCEL_OPTION,JOptionPane.QUESTION_MESSAGE);
setVisible(true);
// Get the value selected by the user
if ( choix == JOptionPane.OK_OPTION)
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
else
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
}
// Define a class which display a Jdialog to choose Menu
public class ChooseFigure extends JDialog implements ItemListener {
JComboBox fig = null;
String choixFigure = null;
// Define constructor
ChooseFigure(JFrame owner, String titre, boolean affichage, int largueur, int hauteur) {
// Initialise JDialog
super(owner,titre,affichage);
setSize(largueur,hauteur);
setLocationRelativeTo(null);
setLayout(new FlowLayout());
// Define component
JLabel lblChoix = new JLabel("Choisissez votre figure:",JLabel.CENTER);
add(lblChoix);
String[] liste = {"", "Triangle", "Croix", "Rond", "Carré"};
JComboBox fig = new JComboBox(liste);
fig.addItemListener(this);
add(fig);
setVisible(true);
}
// Redefine methods from ActionListener
public void itemStateChanged(ItemEvent ie){
// Test selected figure and close the Dialog
if (fig.getSelectedIndex() == 1) {
choixFigure = "Triangle";
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
else if (fig.getSelectedIndex() == 2) {
choixFigure ="Croix";
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
else if (fig.getSelectedIndex() == 3) {
choixFigure ="Rond";
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
else {
choixFigure ="Carré";
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
// Method which permit to get the selected Figure
public String getSelectedFigure(){
return choixFigure;
}
}
} |
