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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Compteur extends JPanel implements ActionListener{
static int valeur = 0;
static JLabel type;
static JLabel nombre;
static JButton increment;
public Compteur(String titre){
type = new JLabel(titre, JLabel.CENTER);
nombre = new JLabel(Integer.toString(valeur), JLabel.CENTER);
nombre.setFont(new Font("Monospaced", Font.BOLD , 60));
increment = new JButton("++");
increment.addActionListener(this);
setLayout(new GridBagLayout());
ajout(type,0,0,2,1,0,0,GridBagConstraints.NONE,GridBagConstraints.CENTER);
ajout(nombre,0,1,2,2,0,0,GridBagConstraints.BOTH,GridBagConstraints.CENTER);
ajout(increment,0,3,2,1,0,0,GridBagConstraints.NONE,GridBagConstraints.CENTER);
}
private void ajout(Component composant,
int gridx, int gridy, int gridwidth, int gridheight,
int weightx, int weighty, int fill, int anchor) {
GridBagConstraints contrainte = new GridBagConstraints();
contrainte.gridx = gridx;
contrainte.gridy = gridy;
contrainte.gridwidth = gridwidth;
contrainte.gridheight = gridheight;
contrainte.weightx = weightx;
contrainte.weighty = weighty;
contrainte.fill = fill;
contrainte.anchor = anchor;
add(composant, contrainte);
}
public void actionPerformed(ActionEvent e) {
nombre.setText(Integer.toString(++valeur));
}
public static void main(String[] args) {
JFrame frame = new JFrame("A");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new FlowLayout());
frame.add(new Compteur("Moutons"));
frame.add(new Compteur("Loups"));
frame.pack();
frame.setVisible(true);
}
} |
