Example usage for javax.swing JButton addChangeListener

Introduction

In this page you can find the example usage for javax.swing JButton addChangeListener.

Prototype

public void addChangeListener(ChangeListener l) 

Source Link

Document

Adds a ChangeListener to the button.

Usage

From source file:Main.java

public static void main(String[] args) {
    JButton button = new JButton("ok");
    button.addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent e) {
            DefaultButtonModel model = (DefaultButtonModel) button.getModel();
            if (model.isEnabled())
                System.out.println("Enabled: true");
            else/*from  ww w. j  av  a2  s  .c o m*/
                System.out.println("Enabled: false");

            if (model.isArmed())
                System.out.println("Armed: true");
            else
                System.out.println("Armed: false");

            if (model.isPressed())
                System.out.println("Pressed: true");
            else
                System.out.println("Pressed: false");
        }
    });
    JOptionPane.showMessageDialog(null, button);
}

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From source file:ButtonModel.java

public static void main(String[] args) {
    final JButton ok = new JButton("ok");

    JCheckBox cb = new JCheckBox("Enabled", true);

    ok.setBounds(40, 30, 80, 25);//from  w  w  w . j  ava 2  s .  co  m
    ok.addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent e) {
            DefaultButtonModel model = (DefaultButtonModel) ok.getModel();
            if (model.isEnabled())
                System.out.println("Enabled: true");
            else
                System.out.println("Enabled: false");

            if (model.isArmed())
                System.out.println("Armed: true");
            else
                System.out.println("Armed: false");

            if (model.isPressed())
                System.out.println("Pressed: true");
            else
                System.out.println("Pressed: false");
        }

    });

    cb.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            if (ok.isEnabled())
                ok.setEnabled(false);
            else
                ok.setEnabled(true);
        }
    });

    JFrame f = new JFrame();
    f.setLayout(new FlowLayout());
    f.add(ok);
    f.add(cb);
    f.setSize(350, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

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From source file:MainClass.java

public static void main(String[] args) {
    JButton jb = new JButton("Press Me");

    jb.addItemListener(new ItemListener() {
        public void itemStateChanged(ItemEvent ev) {
            System.out.println("ItemEvent!");
        }/*from  ww  w  . j  a  v a2  s. co  m*/
    });

    jb.addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent ev) {
            System.out.println("ChangeEvent!");
        }
    });

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(jb);
    f.pack();
    f.setVisible(true);
}

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From source file:SelectingButton.java

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");
        }//w  w  w  .  j ava 2  s.com
    };

    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);
}

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