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

    // Add an item to the start of the list
    cb.insertItemAt("item0", 0);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    String[] items = { "item1", "item2" };
    JComboBox cb = new JComboBox(items);

    cb.insertItemAt("item0.5", 1);
}

From source file:Main.java

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

    // Determine if the menu is visible
    boolean isVisible = cb.isPopupVisible();

}

From source file:Main.java

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

    Object obj = cb.getSelectedItem();

    cb.setSelectedItem("item2");
    obj = cb.getSelectedItem();/*from  w ww.ja v a  2  s.  c  o m*/

    cb.setSelectedItem("item3");
    obj = cb.getSelectedItem();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String[] items = { "item1", "item2", "item3" };
    JComboBox cb = new JComboBox(items);

    // Get number of items
    int num = cb.getItemCount();

    // Get items/*from w  ww.  java2s.c o m*/
    for (int i = 0; i < num; i++) {
        Object item = cb.getItemAt(i);
    }
}

From source file:Main.java

public static void main(String argv[]) throws Exception {
    JComboBox<Item> comboBox = new JComboBox<Item>(
            new Item[] { new Item("Major", "red"), new Item("Critical", "dark"), new Item("Minor", "green") });
    comboBox.addActionListener(e -> {
        JComboBox<Item> combo = (JComboBox<Item>) e.getSource();
        Item item = (Item) combo.getSelectedItem();
        System.out.println(item.getColor());
    });/*  w w w.  java  2 s.  c om*/
    JFrame frame = new JFrame();
    frame.add(comboBox);
    frame.pack();
    frame.setVisible(true);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

From source file:Main.java

public static void main(String[] args) {
    JComboBox<Country> countryBox = new JComboBox<Country>(Country.values());
    JOptionPane.showMessageDialog(null, new JScrollPane(countryBox));
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    // Create a read-only combobox
    String[] items = { "item1", "item2" };
    JComboBox cb = new JComboBox(items);

    cb.setEditable(true);//from ww w . j  a v  a2 s . c  o  m
    cb.setSelectedItem("item3");
    Object obj = cb.getSelectedItem();

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    // Create a read-only combobox
    String[] items = { "item1", "item2" };
    JComboBox readOnlyCB = new JComboBox(items);

    // Create an editable combobox
    items = new String[] { "item1", "item2" };
    JComboBox editableCB = new JComboBox(items);
    editableCB.setEditable(true);/* w w w  .jav a  2 s  .  c o  m*/

}

From source file:Main.java

public static void main(String[] args) {
    Object[] options = { "Option 1", "Option 2", "Option 3", "None of the above" };
    JComboBox optionControl = new JComboBox(options);
    optionControl.setSelectedIndex(3);//from  w ww.  j  a va2  s . c  om
    JOptionPane.showMessageDialog(null, optionControl, "Option", JOptionPane.QUESTION_MESSAGE);
    System.out.println(optionControl.getSelectedItem());

    String graphSelection = (String) JOptionPane.showInputDialog(null, "Choose from the following options...",
            "Choose From DropDown", JOptionPane.QUESTION_MESSAGE, null, options, options[3]);
    System.out.println(graphSelection);

    JOptionPane.showMessageDialog(null, optionControl, "Option", JOptionPane.QUESTION_MESSAGE);
}