Java Action.putValue(String key, Object value)

Syntax

Action.putValue(String key, Object value) has the following syntax.

void putValue(String key,  Object value)

Example

In the following code shows how to use Action.putValue(String key, Object value) method.


import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
//  ww w  .  j a v  a  2s.  co  m
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");
    putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_A));
    
    putValue(Action.NAME, "Go to number ");
        putValue(Action.SHORT_DESCRIPTION, "Change the number to ");
        super.setEnabled(false);
        System.out.println(super.isEnabled());
  }

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