Example usage for javax.swing JComboBox JComboBox

Introduction

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

Prototype

public JComboBox(Vector<E> items)

Source Link

Document

Creates a JComboBox that contains the elements in the specified Vector.

Usage

From source file:Main.java

public static void main(final String args[]) {
    final String labels[] = { "A", "B", "C", "D", "E" };
    JFrame frame = new JFrame("Selecting JComboBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox comboBox = new JComboBox(labels);
    frame.add(comboBox, BorderLayout.SOUTH);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            System.out.println("Command: " + actionEvent.getActionCommand());
            ItemSelectable is = (ItemSelectable) actionEvent.getSource();
            System.out.println(", Selected: " + selectedString(is));
            System.out.println(", Selected: " + new Date(actionEvent.getWhen()));
        }/*from w ww  .  j  a v a2 s.c  om*/
    };
    comboBox.addActionListener(actionListener);
    frame.setSize(400, 200);
    frame.setVisible(true);

}

From source file:ComboBoxSample.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" };

    String title = (args.length == 0 ? "Example JComboBox" : args[0]);
    JFrame frame = new JFrame(title);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentpane = frame.getContentPane();

    JComboBox comboBox1 = new JComboBox(labels);
    comboBox1.setMaximumRowCount(5);/*from  w w  w  .j  av a2s .c o m*/
    contentpane.add(comboBox1, BorderLayout.NORTH);

    JComboBox comboBox2 = new JComboBox(labels);
    comboBox2.setEditable(true);
    contentpane.add(comboBox2, BorderLayout.SOUTH);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(final String args[]) {
    String labels[] = { "A", "B", "C", "D", "E" };
    final DefaultComboBoxModel model = new DefaultComboBoxModel(labels);

    JFrame frame = new JFrame("Shared Data");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel panel = new JPanel();
    JComboBox comboBox1 = new JComboBox(model);
    comboBox1.setMaximumRowCount(5);//from   ww  w.ja  v  a 2 s.co m
    comboBox1.setEditable(true);

    JComboBox comboBox2 = new JComboBox(model);
    comboBox2.setMaximumRowCount(5);
    comboBox2.setEditable(true);
    panel.add(comboBox1);
    panel.add(comboBox2);
    frame.add(panel, BorderLayout.NORTH);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    String[] ITEMS1 = { "one", "two", "three", "four", "five" };
    String[] ITEMS2 = { "Monday", "Tuesday", "Wednesday", "Thursday", "Friday" };

    JPanel northPanel = new JPanel();
    northPanel.add(new JCheckBox("Reminder"));
    northPanel.add(new JComboBox(ITEMS1));
    northPanel.add(new JComboBox(ITEMS2));

    JPanel p = new JPanel(new BorderLayout());

    p.add(northPanel, BorderLayout.NORTH);
    p.add(new JScrollPane(new JTextArea(8, 30)), BorderLayout.CENTER);

    JFrame frame = new JFrame();
    frame.getContentPane().add(p);//w  ww. j a va  2 s. c om
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String args[]) {
    JPanel JMainPanel = new JPanel(new BorderLayout());
    JPanel jp = new JPanel();
    JComboBox combo = new JComboBox(new String[] { "Item1", "Item2", "Item3" });
    JPanel jImage = new JPanel();
    JFrame jf = new JFrame();

    jp.add(combo);/*from w  ww . j a va  2 s .co m*/
    JMainPanel.add(jp, BorderLayout.WEST);
    JMainPanel.add(jImage, BorderLayout.CENTER);
    jp.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW)
            .put(KeyStroke.getKeyStroke(KeyEvent.VK_P, InputEvent.ALT_DOWN_MASK), "screenshot");
    jp.getActionMap().put("screenshot", new AbstractAction() {
        @Override
        public void actionPerformed(ActionEvent arg0) {
            final BufferedImage bf = new BufferedImage(400, 400, BufferedImage.TYPE_INT_RGB);
            javax.swing.SwingUtilities.invokeLater(new Runnable() {
                @Override
                public void run() {
                    jf.getRootPane().paint(bf.getGraphics());
                    jImage.getGraphics().drawImage(bf, 0, 0, jImage);
                }
            });
        }
    });
    jf.getContentPane().add(JMainPanel);
    jf.setSize(500, 500);
    jf.setVisible(true);
}

From source file:DualSample.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" };

    JFrame f = new JFrame("Sample Components");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JList list = new JList(labels);
    JScrollPane scrollPane = new JScrollPane(list);

    JComboBox comboBox = new JComboBox(labels);
    comboBox.setMaximumRowCount(4);// w  w  w  .  jav a 2  s .c  o m

    Container contentPane = f.getContentPane();
    contentPane.add(comboBox, BorderLayout.NORTH);
    contentPane.add(scrollPane, BorderLayout.CENTER);

    f.setSize(300, 200);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame window = new JFrame("Example");

    JPanel contentPane = new JPanel();

    contentPane.setLayout(new GridBagLayout());

    JComboBox comboBoxfields = new JComboBox(COMBO_BOX_ELEMENTS);

    comboBoxfields.setFont(new Font("sansserif", Font.TRUETYPE_FONT | Font.PLAIN, 15));
    comboBoxfields.setBorder(new SoftBevelBorder(BevelBorder.LOWERED));

    comboBoxfields.setMaximumRowCount(5);

    comboBoxfields.addActionListener(/*from   w w w  .  ja v  a  2 s  .  c o m*/
            e -> System.out.println("'" + comboBoxfields.getSelectedItem().toString() + "'" + " was selected"));

    contentPane.add(comboBoxfields);

    window.add(contentPane);
    window.setSize(500, 500);
    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    window.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String[] items = new String[] { "", "Apple", "Banana", "Carrot" };
    Color bgColor = UIManager.getColor("TextField.background");

    UIManager.put("ComboBox.selectionBackground", new ColorUIResource(bgColor));

    JComboBox<String> combo1 = new JComboBox<>(items);
    combo1.setPrototypeDisplayValue("XXXXXXXXXXXXXXX");
    combo1.setEditable(true);/*from  www  . j  a v  a 2  s  .  co  m*/
    combo1.setSelectedIndex(-1);

    JComboBox<String> combo2 = new JComboBox<>(items);
    combo2.setPrototypeDisplayValue("XXXXXXXXXXXXXXX");
    combo2.setEditable(false);
    combo2.setSelectedIndex(-1);
    combo2.setBackground(bgColor);

    JFrame frame = new JFrame();
    Container c = frame.getContentPane();
    c.setLayout(new FlowLayout());
    c.add(combo1);
    c.add(combo2);

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(200, 100);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

From source file:MainClass.java

public static void main(final String args[]) {
    final String labels[] = { "A", "B", "C", "D", "E" };
    JFrame frame = new JFrame("Popup JComboBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox comboBox = new JComboBox(labels);
    comboBox.setUI((ComboBoxUI) MyComboBoxUI.createUI(comboBox));
    frame.add(comboBox, BorderLayout.NORTH);

    frame.setSize(300, 200);//from w w  w . j  a v  a 2  s . c  o  m
    frame.setVisible(true);

}

From source file:PopupComboSample.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G" };
    JFrame frame = new JFrame("Popup JComboBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox comboBox = new JComboBox(labels);
    comboBox.setUI((ComboBoxUI) MyComboBoxUI.createUI(comboBox));
    frame.add(comboBox, BorderLayout.NORTH);

    frame.setSize(300, 200);//ww  w.j  ava2 s.c  om
    frame.setVisible(true);
}