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

Main() {
    String[] items = { "Item1", "Item2" };
    comboBox = new JComboBox<>(items);
    Container c = getContentPane();
    c.setLayout(new FlowLayout());
    c.add(comboBox);//from w  ww . j  av a  2  s .  co  m
    comboBox.setUI(new MyUI());
}

From source file:Main.java

public Main() {
    String[] comboTypes = { "Numbers", "Alphabets", "Symbols" };
    JComboBox<String> comboTypesList = new JComboBox<>(comboTypes);
    comboTypesList.setSelectedIndex(2);/*www  .  j ava 2  s . co  m*/
    comboTypesList.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            JComboBox jcmbType = (JComboBox) e.getSource();
            String cmbType = (String) jcmbType.getSelectedItem();
            System.out.println(cmbType);
        }
    });
    setLayout(new BorderLayout());
    add(comboTypesList, BorderLayout.NORTH);
}

From source file:Main.java

public Main() {
    this.setDefaultCloseOperation(EXIT_ON_CLOSE);

    String[] sList = new String[] { "Spring", "Summer", "Fall", "Winter" };
    JComboBox<String> seasons = new JComboBox<>(sList);

    seasons.addItemListener((ItemEvent e) -> {
        Object item = e.getItem();
        if (e.getStateChange() == ItemEvent.SELECTED) {
            // Item has been selected
            System.out.println(item + "  has  been  selected");
        } else if (e.getStateChange() == ItemEvent.DESELECTED) {
            // Item has been deselected
            System.out.println(item + "  has  been  deselected");
        }//from   w  w w .j  ava 2s .c o  m
    });

    Container contentPane = this.getContentPane();
    contentPane.add(seasons, BorderLayout.CENTER);
}

From source file:Main.java

public Main() {
    String[] items = { "Item1", "Item2", "Item3", "Item4", "Item5" };
    JComboBox<String> comboBox = new JComboBox<>(items);
    add(comboBox);//from w  ww . j a va  2 s.c  o  m

    comboBox.addPopupMenuListener(new PopupMenuListener() {
        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
            JComboBox<String> comboBox = (JComboBox<String>) e.getSource();
            BasicComboPopup popup = (BasicComboPopup) comboBox.getAccessibleContext().getAccessibleChild(0);
            JList list = popup.getList();
            list.setSelectedIndex(2);
        }

        public void popupMenuCanceled(PopupMenuEvent e) {
        }

        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
        }

    });
}

From source file:Main.java

Main() {
    comboBox = new JComboBox<>(new String[] { "111", "222", "333" });
    JList<String> list = new JList<>(model = new DefaultListModel<>());
    add(comboBox, BorderLayout.SOUTH);
    add(new JScrollPane(list));

    addKeyBindings((JComponent) getContentPane());
    addKeyBindings(comboBox);// w w  w .j  a  v a2s  .c o m

    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    pack();
    setVisible(true);
}

From source file:Main.java

public Main() {
    Object[] items = { Color.red, Color.green, Color.blue };
    JComboBox comboBox = new JComboBox(items);
    comboBox.setRenderer(new ColorRenderer(comboBox));
    getContentPane().add(comboBox, BorderLayout.NORTH);
    add(new JTextField(), BorderLayout.SOUTH);
}

From source file:Main.java

Main() {
    JFrame f1 = new JFrame("Selection");
    Container f = new Container();
    f.setLayout(new FlowLayout());

    String s[] = { "Red", "Green", "Yellow", "Black" };
    c = new JComboBox(s);
    JPanel p = new JPanel();

    c.addItemListener(this);

    f1.add(p);// ww  w  . j a v a  2s.c  o m
    p.add(c);
    f1.setSize(500, 500);
    f1.setVisible(true);
}

From source file:Main.java

public Main() {
    comboBox = new JComboBox(new String[] { "Select Pet", "Bird", "Cat", "Dog", "Rabbit", "Pig", "Other" });
    add(comboBox, BorderLayout.PAGE_START);
    JFrame frame = new JFrame("Main");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(comboBox);/*from  w  ww. j  ava 2 s . c o m*/
    frame.pack();
    frame.setVisible(true);

    comboBox.showPopup();
    Object child = comboBox.getAccessibleContext().getAccessibleChild(0);
    BasicComboPopup popup = (BasicComboPopup) child;
    popup.setName("BasicComboPopup");
    JList list = popup.getList();
    Container c = SwingUtilities.getAncestorOfClass(JScrollPane.class, list);
    JScrollPane scrollPane = (JScrollPane) c;

    Window mainFrame = SwingUtilities.windowForComponent(comboBox);

    System.out.println(mainFrame.getName());
    Window popupWindow = SwingUtilities.windowForComponent(popup);
    System.out.println(popupWindow);
    Window popupWindowa = SwingUtilities.windowForComponent(c);
    System.out.println(popupWindowa);

    Window mainFrame1 = SwingUtilities.getWindowAncestor(comboBox);

    System.out.println(mainFrame1);
    Window popupWindow1 = SwingUtilities.getWindowAncestor(popup);
    System.out.println(popupWindow1);

    Component mainFrame2 = SwingUtilities.getRoot(comboBox);

    System.out.println(mainFrame2.getName());
    Component popupWindow2 = SwingUtilities.getRoot(popup);
    System.out.println(popupWindow2);

    if (popupWindow != mainFrame) {
        popupWindow.pack();
    }
}

From source file:Main.java

public Main() {
    String[] items = { "Select Item", "Color", "Shape", "Fruit" };
    mainComboBox = new JComboBox(items);
    mainComboBox.addActionListener(this);

    getContentPane().add(mainComboBox, BorderLayout.WEST);

    subComboBox = new JComboBox();
    getContentPane().add(subComboBox, BorderLayout.EAST);

    String[] subItems1 = { "Select Color", "Red", "Blue", "Green" };
    subItems.put(items[1], subItems1);//from  www .  j a va  2  s . c  om

    String[] subItems2 = { "Select Shape", "Circle", "Square", "Triangle" };
    subItems.put(items[2], subItems2);

    String[] subItems3 = { "Select Fruit", "Apple", "Orange", "Banana" };
    subItems.put(items[3], subItems3);
}

From source file:Main.java

public static JComboBox generateComboBoxFor(Object... objs) {
    Container c = search(objs, Container.class);
    ComboBoxModel model = null;//from   w  ww .j a  va  2  s  .  c  o  m
    Vector items = null;
    Object[] itms = null;
    Border border = search(objs, Border.class);
    Color color = search(objs, Color.class);
    ComboBoxUI ui = search(objs, ComboBoxUI.class);
    JComboBox combo = (model = search(objs, ComboBoxModel.class)) == null
            ? (items = search(objs, Vector.class)) == null ? new JComboBox(itms = search(objs, Object[].class))
                    : new JComboBox(items)
            : new JComboBox(model);
    if (border != null)
        combo.setBorder(border);
    if (ui != null)
        combo.setUI(ui);
    if (color != null)
        combo.setBackground(color);
    addJContainerListeners(combo, objs);
    addToContainer(c, combo);
    return combo;
}