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| import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class Fenetre extends JFrame{
private Panneau pan = new Panneau();
private JButton bouton = new JButton("Go");
private JButton bouton2 = new JButton("Stop");
private JPanel container = new JPanel();
private JLabel label = new JLabel("Le JLabel");
private int compteur = 0;
private boolean animated = true;
private boolean backX, backY;
private int x, y;
public Fenetre(){
this.setTitle("Animation");
this.setSize(300, 300);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setLocationRelativeTo(null);
container.setBackground(Color.white);
container.setLayout(new BorderLayout());
container.add(pan, BorderLayout.CENTER);
bouton.addActionListener(new BoutonListener());
bouton.setEnabled(false);
bouton2.addActionListener(new Bouton2Listener());
JPanel south = new JPanel();
south.add(bouton);
south.add(bouton2);
container.add(south, BorderLayout.SOUTH);
Font police = new Font("Tahoma", Font.BOLD, 16);
label.setFont(police);
label.setForeground(Color.blue);
label.setHorizontalAlignment(JLabel.CENTER);
container.add(label, BorderLayout.NORTH);
this.setContentPane(container);
this.setVisible(true);
go();
}
private void go(){
//Les coordonnées de départ de notre rond
x = pan.getPosX();
y = pan.getPosY();
//Dans cet exemple, j'utilise une boucle while
//Vous verrez qu'elle fonctionne très bien
while(this.animated){
if(x < 1)backX = false;
if(x > pan.getWidth()-50)backX = true;
if(y < 1)backY = false;
if(y > pan.getHeight()-50)backY = true;
if(!backX)pan.setPosX(++x);
else pan.setPosX(--x);
if(!backY) pan.setPosY(++y);
else pan.setPosY(--y);
pan.repaint();
try {
Thread.sleep(3);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
class BoutonListener implements ActionListener{
public void actionPerformed(ActionEvent arg0) {
animated = true;
bouton.setEnabled(false);
bouton2.setEnabled(true);
go();
}
}
class Bouton2Listener implements ActionListener{
public void actionPerformed(ActionEvent e) {
animated = false;
bouton.setEnabled(true);
bouton2.setEnabled(false);
}
}
} |
