SelectingButton.java Source code

Introduction

Here is the source code for SelectingButton.java

Source

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

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

public class SelectingButton {
    public static void main(String args[]) {
        JFrame frame = new JFrame("Selecting Button");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JButton theButton = new JButton("Button");

        ActionListener aListener = new ActionListener() {
            public void actionPerformed(ActionEvent event) {
                AbstractButton aButton = (AbstractButton) event.getSource();
                boolean selected = aButton.getModel().isSelected();
                System.out.println("Action - selected=" + selected + "\n");
            }
        };

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

        theButton.addActionListener(aListener);
        theButton.addChangeListener(cListener);
        Container contentPane = frame.getContentPane();
        contentPane.add(theButton, BorderLayout.CENTER);
        frame.setSize(300, 200);
        frame.setVisible(true);
    }
}