Example usage for javax.swing JButton JButton

Introduction

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

Prototype

public JButton(Action a)

Source Link

Document

Creates a button where properties are taken from the Action supplied.

Usage

From source file:MainClass.java

public static void main(String args[]) {
    JFrame f = new JFrame("JOptionPane Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JButton button = new JButton("Ask");
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            Component source = (Component) actionEvent.getSource();
            Object response = JOptionPane.showInputDialog(source, "Choose One?", "JOptionPane Sample",
                    JOptionPane.QUESTION_MESSAGE, null, new String[] { "A", "B", "C" }, "B");
            System.out.println("Response: " + response);
        }/* w ww .jav  a 2 s.  c o m*/
    };
    button.addActionListener(actionListener);
    f.add(button, BorderLayout.CENTER);
    f.setSize(300, 200);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    final JButton ok = new JButton("ok");
    JCheckBox cb = new JCheckBox("Enabled", true);
    cb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            if (ok.isEnabled())
                ok.setEnabled(false);/*from  w  w w .j  av a  2s.  c  o m*/
            else
                ok.setEnabled(true);
        }
    });

    ButtonModel model = new DefaultButtonModel() {
        public void setEnabled(boolean b) {
            if (b)
                System.out.println("Pressed: true");
            else
                System.out.println("Pressed: false");

            super.setEnabled(b);
        }

        public void setArmed(boolean b) {
            if (b)
                System.out.println("Armed: true");
            else
                System.out.println("Armed: false");

            super.setArmed(b);
        }

        public void setPressed(boolean b) {
            if (b)
                System.out.println("Pressed: true");
            else
                System.out.println("Pressed: false");

            super.setPressed(b);
        }

    };

    ok.setModel(model);

    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);
}

From source file:ActionListenerTest3.java

public static void main(String[] args) {
    JFrame.setDefaultLookAndFeelDecorated(true);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JButton button = new JButton("Select File");
    button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            JFileChooser fileChooser = new JFileChooser();
            int returnVal = fileChooser.showOpenDialog(null);
            if (returnVal == JFileChooser.APPROVE_OPTION) {
                System.out.println(fileChooser.getSelectedFile().getName());
            }//w  w w.j a  va  2  s.co m
        }
    });

    frame.add(button);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final JButton button = new JButton("Click me");
    button.addActionListener(e -> {/*from w  w  w  .j a v a  2  s  .co  m*/
        JFileChooser chooser = new JFileChooser();
        chooser.setSelectedFile(new File(chooser.getCurrentDirectory(), "save.dat"));
        final JTextField textField = getTexField(chooser);
        if (textField == null) {
            return;
        }
        String text = textField.getText();
        if (text == null) {
            return;
        }
        int index = text.lastIndexOf('.');
        if (index == -1) {
            return;
        }
        textField.setSelectionStart(0);
        textField.setSelectionEnd(index);

        chooser.showSaveDialog(button);

    });
    frame.add(button);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String args[]) {
    JFrame f = new JFrame("JColorChooser Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final JButton button = new JButton("Pick to Change Background");

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            Color initialBackground = button.getBackground();
            Color background = JColorChooser.showDialog(null, "JColorChooser Sample", initialBackground);
            if (background != null) {
                button.setBackground(background);
            }/* ww  w.  j  a  v  a2s .  com*/
        }
    };
    button.addActionListener(actionListener);
    f.add(button, BorderLayout.CENTER);
    f.setSize(300, 200);
    f.setVisible(true);
}

From source file:FocusCycleSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Focus Cycle Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLayout(new GridLayout(3, 3));
    for (int i = 0; i < 3; i++) {
        JButton button = new JButton("" + i);
        frame.add(button);/*from w  w w.  j  av a2s.c o m*/
    }
    JPanel panel = new JPanel();
    panel.setFocusCycleRoot(true);
    panel.setFocusTraversalPolicyProvider(true);
    panel.setLayout(new GridLayout(1, 3));
    for (int i = 0; i < 3; i++) {
        JButton button = new JButton("" + (i + 3));
        panel.add(button);
    }
    frame.add(panel);
    for (int i = 0; i < 3; i++) {
        JButton button = new JButton("" + (i + 6));
        frame.add(button);
    }
    frame.setSize(300, 200);
    frame.setVisible(true);
}

From source file:SimpleGridBag.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    JPanel p = new JPanel();

    p.setLayout(new GridBagLayout());
    p.add(new JButton("Java"));
    p.add(new JButton("Source"));
    p.add(new JButton("and"));
    p.add(new JButton("Support."));

    WindowListener wndCloser = new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);/*from   ww w  .  ja v  a2  s.  co  m*/
        }
    };
    f.addWindowListener(wndCloser);

    f.getContentPane().add(p);
    f.setSize(600, 200);
    f.show();
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame("BorderLayout Test");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container container = frame.getContentPane();

    // Add a button to each of the five areas of the BorderLayout
    container.add(new JButton("North"), BorderLayout.NORTH);
    container.add(new JButton("South"), BorderLayout.SOUTH);
    container.add(new JButton("East"), BorderLayout.EAST);
    container.add(new JButton("West"), BorderLayout.WEST);
    container.add(new JButton("Center"), BorderLayout.CENTER);

    frame.pack();//from   ww w . j a  v  a 2s  .co m
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame("BoxLayout with Glue");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Container contentPane = frame.getContentPane();
    Box hBox = Box.createHorizontalBox();
    hBox.add(new JButton("First"));
    hBox.add(new JButton("Previous"));
    hBox.add(Box.createHorizontalGlue());
    hBox.add(new JButton("Next"));
    hBox.add(new JButton("Last"));

    contentPane.add(hBox, BorderLayout.SOUTH);
    frame.pack();//from   w w  w.  ja v a 2s  .c  o  m
    frame.setVisible(true);
}

From source file:EventObject.java

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

    ok.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            Calendar cal = Calendar.getInstance();
            cal.setTimeInMillis(event.getWhen());
            Locale locale = Locale.getDefault();
            String s = DateFormat.getTimeInstance(DateFormat.SHORT, locale).format(new Date());

            if (event.getID() == ActionEvent.ACTION_PERFORMED)
                System.out.println(" Event Id: ACTION_PERFORMED");

            System.out.println(" Time: " + s);

            String source = event.getSource().getClass().getName();
            System.out.println(" Source: " + source);

            int mod = event.getModifiers();
            if ((mod & ActionEvent.ALT_MASK) > 0)
                System.out.println("Alt ");

            if ((mod & ActionEvent.SHIFT_MASK) > 0)
                System.out.println("Shift ");

            if ((mod & ActionEvent.META_MASK) > 0)
                System.out.println("Meta ");

            if ((mod & ActionEvent.CTRL_MASK) > 0)
                System.out.println("Ctrl ");

        }//from w  w w .  j  a  v  a2 s.c o m
    });

    f.add(ok);

    f.setSize(420, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}