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| import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;
public class Test {
public static void main(String[] args) {
JFrame frame = new JFrame();
final JTextField texte = new JTextField("Coucou");
final JButton bouton = new JButton("Enable/Disable JTextField");
bouton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(texte.isEnabled()){
texte.setEnabled(false);
texte.setBackground(Color.LIGHT_GRAY);
texte.setText("Disable");
}else{
texte.setEnabled(true);
texte.setBackground(Color.GRAY);
texte.setText("Enable");
}
}
});
frame.add(texte, BorderLayout.NORTH);
frame.add(bouton, BorderLayout.CENTER);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
} |
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