Example usage for javax.swing JButton addActionListener

Introduction

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

Prototype

public void addActionListener(ActionListener l)

Source Link

Document

Adds an ActionListener to the button.

Usage

From source file:ButtonListener.java

public static void main(String[] a) {
    JFrame frame = new JFrame("Popup JComboBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JButton source = new JButton("Ring the bell!");
    source.addActionListener(new ButtonListener());
    frame.add(source, BorderLayout.SOUTH);

    source.addActionListener(new ButtonListener());

    frame.setSize(300, 200);/*from  w  w  w.j av  a 2  s. com*/
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    String[][] data = { { "Data", "Data" } };
    String[] col = { "Col", "Col" };
    final DefaultTableModel model = new DefaultTableModel(data, col);
    JTable table = new JTable(model);
    JButton addRow = new JButton("Add Empty Row");
    addRow.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            model.addRow(new Object[] {});
        }/*from   w  w  w  .  ja  va  2  s . com*/
    });
    JPanel panel = new JPanel(new BorderLayout());
    panel.add(new JScrollPane(table));
    panel.add(addRow, BorderLayout.SOUTH);
    JOptionPane.showMessageDialog(null, panel);
}

From source file:Main.java

public static void main(String[] args) {
    String[] items = new String[] { "One", "Two", "Three", "Four" };
    JList<String> list = new JList<>(items);
    JFrame f = new JFrame();
    f.add(list, BorderLayout.CENTER);
    JButton btn = new JButton("Get selected");
    btn.addActionListener(new ActionListener() {
        @Override//from w ww.  jav  a  2 s.com
        public void actionPerformed(ActionEvent e) {
            JOptionPane.showConfirmDialog(f, "You Selected : " + list.getSelectedValue(), "Display",
                    JOptionPane.PLAIN_MESSAGE);
        }
    });

    f.add(btn, BorderLayout.SOUTH);
    f.pack();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:Main.java

public static final void main(String[] args) {
    JFrame frame = new JFrame();
    JTabbedPane tabbedPane = new JTabbedPane();

    frame.add(tabbedPane);/*from   w  ww  . j  a  v a  2s . c  o m*/

    JButton addButton = new JButton("Add tab");
    addButton.addActionListener(e -> {
        JPanel newTabComponent = new JPanel();
        int tabCount = tabbedPane.getTabCount();
        newTabComponent.add(new JLabel("I'm tab " + tabCount));
        tabbedPane.addTab("Tab " + tabCount, newTabComponent);
    });
    frame.add(addButton, BorderLayout.SOUTH);
    addButton.doClick();

    frame.setSize(800, 300);
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.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());
            }//from  w ww.  j a  va  2s . c o 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);
    JPanel panel = new JPanel();
    final JButton button = new JButton("Select files...");
    button.addActionListener(e -> {
        final JFileChooser chooser = new JFileChooser();
        chooser.setCurrentDirectory(chooser.getFileSystemView().getParentDirectory(new File("C:\\")));
        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        chooser.showDialog(button, "Select file");
    });//from ww w. j  a  v a 2s.  c o  m
    panel.add(button);
    frame.add(panel);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel(new BorderLayout());
    String[] values = new String[] { "One", "Two", "Three" };
    JComboBox<String> comboBox = new JComboBox<>(values);
    panel.add(comboBox, BorderLayout.NORTH);
    JTextArea textArea = new JTextArea(2, 2);
    panel.add(textArea, BorderLayout.CENTER);
    JButton button = new JButton("Action");
    button.addActionListener(new ActionListener() {
        @Override/*from  w  ww  .  j a  v a  2s  .c  o m*/
        public void actionPerformed(ActionEvent e) {
            textArea.setText((String) comboBox.getSelectedItem());
            comboBox.setSelectedIndex(0);
        }
    });
    panel.add(button, BorderLayout.SOUTH);
    JFrame frame = new JFrame();
    frame.add(panel);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    MaskFormatter formatter = new MaskFormatter("###-##-####");
    JFormattedTextField tf = new JFormattedTextField(formatter);
    JPanel panel = new JPanel(new BorderLayout());
    panel.add(tf, BorderLayout.NORTH);
    JButton clickBtn = new JButton("Click me!");
    clickBtn.addActionListener(e -> {
        if (!tf.getText().matches(formatter.getMask())) {
            System.err.println("Your Input does not match the pattern!");
        } else {// w w  w .j  ava2s  .c  o  m
            System.out.println(tf.getText());
        }
    });
    panel.add(clickBtn, BorderLayout.SOUTH);
    JFrame f = new JFrame();

    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(panel, BorderLayout.CENTER);
    f.setSize(800, 600);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setSize(300, 300);/*www. j  a  va  2s. c om*/

    JPanel panel = new JPanel(new GridLayout(3, 1));
    JLabel label = new JLabel();
    JTextField tf = new JTextField();
    JButton b = new JButton("calc sting width");
    b.addActionListener(e -> {
        FontMetrics fm = label.getFontMetrics(label.getFont());
        String text = tf.getText();
        int textWidth = fm.stringWidth(text);
        label.setText("text width for \"" + text + "\": " + textWidth);
    });
    panel.add(label);
    panel.add(tf);
    panel.add(b);
    frame.setContentPane(panel);
    frame.setVisible(true);
}

From source file:JFileChooserTest.java

public static void main(String[] args) {
    JFrame.setDefaultLookAndFeelDecorated(true);
    JDialog.setDefaultLookAndFeelDecorated(true);
    JFrame frame = new JFrame("JComboBox Test");
    frame.setLayout(new FlowLayout());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JButton button = new JButton("Select File");
    button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ae) {
            JFileChooser fileChooser = new JFileChooser();
            int returnValue = fileChooser.showOpenDialog(null);
            if (returnValue == JFileChooser.APPROVE_OPTION) {
                File selectedFile = fileChooser.getSelectedFile();
                System.out.println(selectedFile.getName());
            }// w  w w  .  j ava  2 s.  c o m
        }
    });
    frame.add(button);
    frame.pack();
    frame.setVisible(true);
}