Listening to JToggleButton Events with a ChangeListener : JToggleButton « Swing « Java Tutorial






Listen to the changes for its armed, pressed, and selected properties

Listening to JToggleButton Events with a ChangeListener
import java.awt.BorderLayout;

import javax.swing.AbstractButton;
import javax.swing.ButtonModel;
import javax.swing.JFrame;
import javax.swing.JToggleButton;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class JToggleButtonChangeListener {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Selecting Toggle");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JToggleButton toggleButton = new JToggleButton("Toggle Button");

    ChangeListener changeListener = new ChangeListener() {
      public void stateChanged(ChangeEvent changeEvent) {
        AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
        ButtonModel buttonModel = abstractButton.getModel();
        boolean armed = buttonModel.isArmed();
        boolean pressed = buttonModel.isPressed();
        boolean selected = buttonModel.isSelected();
        System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
      }
    };

    // Attach Listeners
    toggleButton.addChangeListener(changeListener);
    frame.add(toggleButton, BorderLayout.NORTH);
    frame.setSize(300, 125);
    frame.setVisible(true);
  }
}








14.8.JToggleButton
14.8.1.Creating JToggleButton Components
14.8.2.JToggleButton is a button that has two states. Pressed and not pressed.
14.8.3.Listening to JToggleButton Events with an ActionListenerListening to JToggleButton Events with an ActionListener
14.8.4.Listening to JToggleButton Events with an ItemListenerListening to JToggleButton Events with an ItemListener
14.8.5.Listening to JToggleButton Events with a ChangeListenerListening to JToggleButton Events with a ChangeListener
14.8.6.The event sequence for JToggleButton: ActionListener, ItemListener and ChangeListenerThe event sequence for JToggleButton: ActionListener, ItemListener and ChangeListener
14.8.7.Customizing JToggleButton Look and Feel
14.8.8.This class represents the toggle buttons used in toolbars.