Demonstrating the AncestorListener

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Timer;
import java.util.TimerTask;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;

public class AncestorTest {
  public static void main(String args[]) {
    final JFrame frame = new JFrame();
    Container contentPane = frame.getContentPane();
    JButton b = new JButton("Hide for 5");
    ActionListener action = new ActionListener() {
      public void actionPerformed(ActionEvent actionEvent) {
        frame.setVisible(false);
        TimerTask task = new TimerTask() {
          public void run() {
            frame.setVisible(true);
          }
        };
        Timer timer = new Timer();
        timer.schedule(task, 5000);
      }
    };
    b.addActionListener(action);
    AncestorListener ancestor = new AncestorListener() {
      public void ancestorAdded(AncestorEvent e) {
        System.out.println("Added");
        dumpInfo(e);
      }

      public void ancestorMoved(AncestorEvent e) {
        System.out.println("Moved");
        dumpInfo(e);
      }

      public void ancestorRemoved(AncestorEvent e) {
        System.out.println("Removed");
        dumpInfo(e);
      }

      private void dumpInfo(AncestorEvent e) {
        System.out.println("\tAncestor: " + name(e.getAncestor()));
        System.out.println("\tAncestorParent: "
            + name(e.getAncestorParent()));
        System.out.println("\tComponent: " + name(e.getComponent()));
      }

      private String name(Container c) {
        return (c == null) ? null : c.getName();
      }
    };
    b.addAncestorListener(ancestor);
    contentPane.add(b, BorderLayout.NORTH);
    frame.setSize(300, 200);
    frame.show();
  }
}

1.	Demonstrating the WindowListener with a WindowAdapter
2.	Demonstrating the ActionListener
3.	Demonstrating the AdjustmentListener
4.	Demonstrating the ComponentListener
5.	Demonstrating the ContainerListener
6.	Demonstrating the FocusListener
7.	Demonstrating the HyperlinkListener
8.	Demonstrating the InternalFrameListener
9.	Demonstrating the ItemListener
10.	Demonstrating the KeyListener
11.	Demonstrating the MenuListener
12.	Demonstrating the MouseListener and MouseMotionListener
13.	Demonstrating the MouseWheelListener
14.	Demonstrating the PopupMenuListener
15.	Demonstrating the WindowListener
16.	Responding to Keystrokes

Demonstrating the AncestorListener : Various Event Listener « Swing JFC « Java

Related examples in the same category