Example usage for javax.swing JComboBox addItem

Introduction

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

Prototype

public void addItem(E item)

Source Link

Document

Adds an item to the item list.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String[] items = { "item1", "item2" };
    JComboBox cb = new JComboBox(items);

    cb.addItem("item3");
}

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 w  ww  .  j  a v  a  2  s .  c  o m

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

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 ww  w.  j a va  2  s  . c om*/
        }
    });
    JFrame frame = new JFrame();
    frame.getContentPane().add(box);
    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 .j av a 2 s  .c  o  m

    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 w w . j av  a2 s .c o  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:DateComboBoxRenderer.java

public static void main(String[] str) {
    JComboBox combo = new JComboBox();
    GregorianCalendar calendar = new GregorianCalendar();
    combo.addItem(calendar.getTime());

    calendar.roll(GregorianCalendar.DAY_OF_MONTH, 1);
    combo.addItem(calendar.getTime());/*from   www .j  a  v  a2  s. com*/

    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);
}

From source file:Main.java

public static void main(String[] args) {
    JComboBox combo = new JComboBox();
    combo.setEditable(true);//  ww  w. ja v a  2s  . com
    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) {
    JComboBox<String> emptyBox = new JComboBox<String>();
    emptyBox.addActionListener(new ActionListener() {
        @Override/*ww w. j a va2 s .  co m*/
        public void actionPerformed(ActionEvent e) {
            Thread.dumpStack();
        }
    });
    emptyBox.addItem("test");
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JComboBox<String> comboBox = new JComboBox<>(new String[] { "Something", "Stuff", "Beep" });
    JButton add = new JButton("Add item");
    add.addActionListener(new ActionListener() {

        @Override// w  ww  .jav a 2 s  .  c  o  m
        public void actionPerformed(ActionEvent e) {
            comboBox.addItem("Item");
        }
    });
    frame.add(comboBox);
    frame.add(add, BorderLayout.SOUTH);
    frame.pack();
    frame.setVisible(true);
}

From source file:ColorComboRenderer.java

public static void main(String[] a) {
    JComboBox cbColor = new JComboBox();
    int[] values = new int[] { 0, 128, 192, 255 };
    for (int r = 0; r < values.length; r++)
        for (int g = 0; g < values.length; g++)
            for (int b = 0; b < values.length; b++) {
                Color c = new Color(values[r], values[g], values[b]);
                cbColor.addItem(c);
            }/*from w w  w .j  a  v a 2  s.  co m*/
    cbColor.setRenderer(new ColorComboRenderer());

    JFrame f = new JFrame();
    f.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);
        }
    });
    f.getContentPane().add(cbColor);
    f.pack();
    f.setSize(new Dimension(300, 80));
    f.show();

}