Java Swing Tutorial - Java Action .addPropertyChangeListener (PropertyChangeListener listener)

Syntax

Action.addPropertyChangeListener(PropertyChangeListener listener) has the following syntax.

void addPropertyChangeListener(PropertyChangeListener listener)

Example

In the following code shows how to use Action.addPropertyChangeListener(PropertyChangeListener listener) method.

// www  .ja v  a  2  s .com
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JFrame;

public class Main {
  public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Action action = new ShowAction();
    JButton button = new JButton(action);

    frame.add(button, BorderLayout.CENTER);
    frame.setSize(350, 150);
    frame.setVisible(true);
  }
}

class ShowAction extends AbstractAction {
  public ShowAction() {
    super("About");
    PropertyChangeListener lis = new PropertyChangeListener(){
      @Override
      public void propertyChange(PropertyChangeEvent e) {
        System.out.println(e);
      }      
    };
    addPropertyChangeListener(lis);
    
    putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_A));
    putValue(Action.NAME, "Go to number ");
    putValue(Action.LONG_DESCRIPTION, "Change the number to ");
 
    removePropertyChangeListener(lis);
    
  }

  public void actionPerformed(ActionEvent actionEvent) {
    System.out.println("About Swing");
  }
}