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:JComboBoxTest.java

public static void main(String[] args) {
    JFrame.setDefaultLookAndFeelDecorated(true);
    JFrame frame = new JFrame("JComboBox Test");
    frame.setLayout(new FlowLayout());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    String[] selections = { "green", "red", "orange", "dark blue" };
    JComboBox comboBox = new JComboBox(selections);
    comboBox.setSelectedIndex(1);/*  w  ww  .  j av a 2  s .com*/
    System.out.println(comboBox.getSelectedItem());
    frame.add(comboBox);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel(new BorderLayout());
    String[] values = new String[] { "One", "Two", "Three" };
    JComboBox<String> comboBox = new JComboBox<>(values);
    panel.add(comboBox, BorderLayout.NORTH);
    JTextArea textArea = new JTextArea(2, 2);
    panel.add(textArea, BorderLayout.CENTER);
    JButton button = new JButton("Action");
    button.addActionListener(new ActionListener() {
        @Override// ww w .j  av a  2  s.c om
        public void actionPerformed(ActionEvent e) {
            textArea.setText((String) comboBox.getSelectedItem());
            comboBox.setSelectedIndex(0);
        }
    });
    panel.add(button, BorderLayout.SOUTH);
    JFrame frame = new JFrame();
    frame.add(panel);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

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));
        }/*from ww  w . ja v a  2s. c o  m*/
    };
    comboBox.addActionListener(actionListener);
    frame.setSize(400, 200);
    frame.setVisible(true);

}

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));
        }/*  w w  w  . j ava  2  s.c  o  m*/
    };
    comboBox.addActionListener(actionListener);
    comboBox.removeActionListener(actionListener);
    frame.setSize(400, 200);
    frame.setVisible(true);

}

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);

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            int state = itemEvent.getStateChange();
            String stateString = ((state == ItemEvent.SELECTED) ? "Selected" : "Deselected");
            System.out.println("Item: " + itemEvent.getItem());
            System.out.println(", State: " + stateString);
            ItemSelectable is = itemEvent.getItemSelectable();
            System.out.println(", Selected: " + selectedString(is));
        }//w w  w .j a v  a 2 s.  co  m
    };
    comboBox.addItemListener(itemListener);
    frame.setSize(400, 200);
    frame.setVisible(true);

}

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("paramString:" + actionEvent.paramString());
        }/*from   w  w w .  j  a v a2 s . c  om*/
    };
    comboBox.addActionListener(actionListener);
    frame.setSize(400, 200);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    String[] fonts = ge.getAvailableFontFamilyNames();
    JComboBox<String> fontChooser = new JComboBox<>(fonts);
    fontChooser.setRenderer(new FontCellRenderer());
    JOptionPane.showMessageDialog(null, fontChooser);

}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();

    String[] list = { "Hello 1", "Hello 2", "Hello 3", "Hello 4" };
    DefaultComboBoxModel<String> model = new DefaultComboBoxModel<>(list);
    JComboBox<String> comboBox = new JComboBox<>(model);
    frame.add(comboBox, BorderLayout.NORTH);

    final JTextField textField = new JTextField(30);
    frame.add(textField, BorderLayout.SOUTH);
    frame.add(new JLabel("Type something, then press enter", JLabel.CENTER));

    textField.addActionListener(ae -> {
        String text = textField.getText();
        model.addElement(text);//from  ww w  .j  a  v  a  2 s  .c o m
        comboBox.setSelectedItem(text);
        textField.setText("");

    });

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

From source file:MainClass.java

public static void main(String args[]) {
    String rows[][] = { { "A", "a" }, { "B", "b" }, { "E", "e" } };
    String headers[] = { "Upper", "Lower" };

    JComboBox comboBox = new JComboBox(rows[0]);
    comboBox.setMaximumRowCount(4);/*from w w  w.jav  a  2  s .  c  o m*/

    TableCellEditor editor = new DefaultCellEditor(comboBox);

    JFrame frame = new JFrame("JTable Anatomy");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTable table = new JTable(new DefaultTableModel(rows, headers));

    table.getColumnModel().getColumn(1).setCellEditor(editor);

    JScrollPane scrollPane = new JScrollPane(table);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel gui = new JPanel(new GridLayout(0, 1, 5, 5));

    String[] speciesName = { "1", "2", "3" };
    String[][] breedName = { { "A", "P", "A" }, { "B", "P", "S" }, { "DDo", "A", "P" } };
    JComboBox<String> petSpecies = new JComboBox<>(speciesName);
    JComboBox<String> petBreed = new JComboBox<>();
    petSpecies.addItemListener(e -> {
        int ii = petSpecies.getSelectedIndex();
        ComboBoxModel cbm = new DefaultComboBoxModel(breedName[ii]);
        petBreed.setModel(cbm);/*  w ww .  j  a  v a2 s.  co m*/
        petBreed.requestFocusInWindow();
    });
    gui.add(petSpecies);
    gui.add(petBreed);

    JOptionPane.showMessageDialog(null, gui);
}