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()

Source Link

Document

Creates a JComboBox with a default data model.

Usage

From source file:Main.java

public static void main(String[] args) {
    JComboBox<String> emptyBox = new JComboBox<String>();
    emptyBox.addActionListener(new ActionListener() {
        @Override/*from  w  w  w  . ja va 2 s .  co m*/
        public void actionPerformed(ActionEvent e) {
            Thread.dumpStack();
        }
    });
    emptyBox.addItem("test");
}

From source file:Main.java

public static void main(String[] args) {
    JComboBox<String> box = new JComboBox<>();
    box.addItem("One");
    box.addItem("Two");
    box.addItem("Three");

    box.addItemListener(new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {
                System.out.println(e.getItem());
            }/*from   w w  w.j a  va 2s . c  om*/
        }
    });
    JFrame frame = new JFrame();
    frame.getContentPane().add(box);
    frame.pack();
    frame.setVisible(true);
}

From source file:AddingItemToComboBox.java

License:asdf

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

    JComboBox jComboBox1 = new JComboBox();
    jComboBox1.addItem("asdf");
    Object cmboitem = jComboBox1.getSelectedItem();
    System.out.println(cmboitem);

    frame.add(jComboBox1);//from  ww  w .  j a  va2  s .  com

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

From source file:Main.java

public static void main(String[] args) {
    JComboBox c = new JComboBox();
    c.addPopupMenuListener(new PopupMenuListener() {

        @Override/*w  w w .java 2 s . c o m*/
        public void popupMenuCanceled(PopupMenuEvent e) {
            System.out.println(e.getSource());
        }

        @Override
        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
            System.out.println(e.getSource());
        }

        @Override
        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
            System.out.println(e.getSource());
        }
    });
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().setLayout(new FlowLayout());
    f.getContentPane().add(c);
    f.pack();
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JComboBox combo = new JComboBox();
    combo.setEditable(true);//from   www  .j  ava 2 s  . c o m
    for (int i = 0; i < 10; i++) {
        combo.addItem(i);
    }
    JLabel tip = new JLabel();
    tip.setText("Outside combobox");
    JPanel panel = new JPanel();
    panel.add(combo);
    panel.add(tip);
    panel.addMouseListener(new MouseAdapter() {
        @Override
        public void mouseEntered(MouseEvent e) {
            tip.setText("Outside combobox");
        }

        @Override
        public void mouseExited(MouseEvent e) {
            Component c = SwingUtilities.getDeepestComponentAt(e.getComponent(), e.getX(), e.getY());
            tip.setText(c != null && SwingUtilities.isDescendingFrom(c, combo) ? "Inside combo box"
                    : "Outside combobox");
        }
    });
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.add(panel);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setSize(450, 250);/*from w  ww  . ja  va 2s  . c om*/

    JTable table = new JTable(5, 5);

    TableColumn testColumn = table.getColumnModel().getColumn(0);

    JComboBox<String> comboBox = new JComboBox<>();
    comboBox.addItem("This");
    comboBox.addItem("is");
    comboBox.addItem("a");
    comboBox.addItem("Sample program");
    testColumn.setCellEditor(new DefaultCellEditor(comboBox));

    frame.add(table);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

From source file:Main.java

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

    p.setLayout(new GridLayout(2, 1));
    JList<String> lista = new JList<>(new String[] { "1", "2", "3", "4" });
    p.add(new JScrollPane(lista));
    JComboBox<String> combo = new JComboBox<>();
    for (int i = 0; i < 100; i++) {
        combo.addItem(Integer.toString(i));
        p.add(combo);/* w  ww  .  ja v  a 2 s  .  co m*/
    }

    JFrame f = new JFrame();
    f.getContentPane().add(p, BorderLayout.CENTER);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(200, 200);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JComboBox<Object> combo = new JComboBox<>();
    URL url = new Main().getClass().getResource("animated.gif");
    combo.setModel(new DefaultComboBoxModel(new Object[] { makeImageIcon(url, combo, 0) }));

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(combo);//from   w w w . ja v  a2  s  .c  o m
    f.setSize(320, 240);
    f.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();
    comboBox1.setModel(model);/*from  w ww. j  a  v  a2  s .  c o  m*/
    comboBox1.setMaximumRowCount(5);
    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:DateComboBoxRenderer.java

public static void main(String[] str) {
    JComboBox combo = new JComboBox();
    GregorianCalendar calendar = new GregorianCalendar();
    combo.addItem(calendar.getTime());//  www .j ava 2  s  . c om

    calendar.roll(GregorianCalendar.DAY_OF_MONTH, 1);
    combo.addItem(calendar.getTime());

    combo.setRenderer(new DateComboBoxRenderer());

    JFrame frame = new JFrame();

    JPanel panel = new JPanel();
    panel.add(new JLabel("Date Combo: "));
    panel.add(combo);

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