Example usage for javax.swing JComboBox setMaximumRowCount

Introduction

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

Prototype

@BeanProperty(preferred = true, description = "The maximum number of rows the popup should have")
public void setMaximumRowCount(int count) 

Source Link

Document

Sets the maximum number of rows the JComboBox displays.

Usage

From source file:Main.java

public static void main(final String args[]) {
    final DefaultComboBoxModel<String> model = new DefaultComboBoxModel<String>();

    model.addElement("A");
    model.addElement("C");
    model.addElement("D");
    model.addElement("A");

    model.removeElement("A");

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);
    comboBox1.setEditable(true);/*from  ww  w  .  ja  v a  2s.c o  m*/
    frame.add(comboBox1, BorderLayout.NORTH);

    JList<String> jlist = new JList<String>(model);
    JScrollPane scrollPane = new JScrollPane(jlist);
    frame.add(scrollPane, BorderLayout.CENTER);

    JButton button = new JButton("Add");
    frame.add(button, BorderLayout.SOUTH);
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.addElement("a");
            model.insertElementAt("Z", 0);
        }
    };
    button.addActionListener(actionListener);

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

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From source file:Main.java

public static void main(final String args[]) {
    final DefaultComboBoxModel<String> model = new DefaultComboBoxModel<String>();

    model.addElement("A");
    model.addElement("C");
    model.addElement("D");
    model.addElement("A");

    model.removeAllElements();//from  w w  w.j a v  a 2 s .c o  m

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);
    comboBox1.setEditable(true);
    frame.add(comboBox1, BorderLayout.NORTH);

    JList<String> jlist = new JList<String>(model);
    JScrollPane scrollPane = new JScrollPane(jlist);
    frame.add(scrollPane, BorderLayout.CENTER);

    JButton button = new JButton("Add");
    frame.add(button, BorderLayout.SOUTH);
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.addElement("a");
            model.insertElementAt("Z", 0);
        }
    };
    button.addActionListener(actionListener);

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

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From source file:Main.java

public static void main(final String args[]) {
    final DefaultComboBoxModel<String> model = new DefaultComboBoxModel<String>();

    model.addElement("A");
    model.addElement("C");
    model.addElement("D");
    model.addElement("A");

    model.setSelectedItem("C");

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);
    comboBox1.setEditable(true);/*from  ww  w .ja v a 2 s. c  o m*/
    frame.add(comboBox1, BorderLayout.NORTH);

    JList<String> jlist = new JList<String>(model);
    JScrollPane scrollPane = new JScrollPane(jlist);
    frame.add(scrollPane, BorderLayout.CENTER);

    JButton button = new JButton("Add");
    frame.add(button, BorderLayout.SOUTH);
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.addElement("a");
            model.insertElementAt("Z", 0);
        }
    };
    button.addActionListener(actionListener);

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

---

From source file:Main.java

public static void main(final String args[]) {
    final DefaultComboBoxModel<String> model = new DefaultComboBoxModel<String>();

    model.addElement("A");
    model.addElement("C");
    model.addElement("D");
    model.addElement("A");

    model.removeElementAt(1);/*from  w ww  . j  av a2 s.c o m*/

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);
    comboBox1.setEditable(true);
    frame.add(comboBox1, BorderLayout.NORTH);

    JList<String> jlist = new JList<String>(model);
    JScrollPane scrollPane = new JScrollPane(jlist);
    frame.add(scrollPane, BorderLayout.CENTER);

    JButton button = new JButton("Add");
    frame.add(button, BorderLayout.SOUTH);
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.addElement("a");
            model.insertElementAt("Z", 0);
        }
    };
    button.addActionListener(actionListener);

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

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From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    Container contentPane = frame.getContentPane();
    ActionListener listener = new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            System.out.println("Command: " + e.getActionCommand());
            int modifiers = e.getModifiers();
            System.out.println("\tALT : " + checkMod(modifiers, ActionEvent.ALT_MASK));
            System.out.println("\tCTRL : " + checkMod(modifiers, ActionEvent.CTRL_MASK));
            System.out.println("\tMETA : " + checkMod(modifiers, ActionEvent.META_MASK));
            System.out.println("\tSHIFT: " + checkMod(modifiers, ActionEvent.SHIFT_MASK));
            Object source = e.getSource();
            if (source instanceof JComboBox) {
                JComboBox jb = (JComboBox) source;
                System.out.println("Combo: " + jb.getSelectedItem());
            }/*from   w w w. ja va2 s  .  com*/
        }

        private boolean checkMod(int modifiers, int mask) {
            return ((modifiers & mask) == mask);
        }
    };

    String flavors[] = { "Item 1", "Item 2", "Item 3" };
    JComboBox jc = new JComboBox(flavors);
    jc.setMaximumRowCount(4);
    jc.setEditable(true);
    jc.addActionListener(listener);
    contentPane.add(jc, BorderLayout.NORTH);

    JButton b = new JButton("Button!");
    b.addActionListener(listener);
    contentPane.add(b, BorderLayout.CENTER);

    JPanel panel = new JPanel();
    JLabel label = new JLabel("Label 1: ");
    JTextField text = new JTextField("Type your text", 15);
    text.addActionListener(listener);
    label.setDisplayedMnemonic(KeyEvent.VK_1);
    label.setLabelFor(text);
    panel.add(label);
    panel.add(text);
    contentPane.add(panel, BorderLayout.SOUTH);

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

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From source file:ActionTest.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    Container contentPane = frame.getContentPane();
    ActionListener listener = new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            System.out.println("Command: " + e.getActionCommand());
            System.out.println("Modifiers: ");
            int modifiers = e.getModifiers();
            System.out.println("\tALT : " + checkMod(modifiers, ActionEvent.ALT_MASK));
            System.out.println("\tCTRL : " + checkMod(modifiers, ActionEvent.CTRL_MASK));
            System.out.println("\tMETA : " + checkMod(modifiers, ActionEvent.META_MASK));
            System.out.println("\tSHIFT: " + checkMod(modifiers, ActionEvent.SHIFT_MASK));
            Object source = e.getSource();
            if (source instanceof JComboBox) {
                JComboBox jb = (JComboBox) source;
                System.out.println("Combo: " + jb.getSelectedItem());
            }/*  w w w  . j  av  a 2 s .c  om*/
        }

        private boolean checkMod(int modifiers, int mask) {
            return ((modifiers & mask) == mask);
        }
    };

    String flavors[] = { "Item 1", "Item 2", "Item 3" };
    JComboBox jc = new JComboBox(flavors);
    jc.setMaximumRowCount(4);
    jc.setEditable(true);
    jc.addActionListener(listener);
    contentPane.add(jc, BorderLayout.NORTH);

    JButton b = new JButton("Button!");
    b.addActionListener(listener);
    contentPane.add(b, BorderLayout.CENTER);

    JPanel panel = new JPanel();
    JLabel label = new JLabel("Label 1: ");
    JTextField text = new JTextField("Type your text", 15);
    text.addActionListener(listener);
    label.setDisplayedMnemonic(KeyEvent.VK_1);
    label.setLabelFor(text);
    panel.add(label);
    panel.add(text);
    contentPane.add(panel, BorderLayout.SOUTH);

    frame.pack();
    frame.show();
}

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From source file:PopupTest.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Popup Menu Listener");
    Container contentPane = frame.getContentPane();

    final String flavors[] = { "Item 1", "Item 2", "Item 3" };

    PopupMenuListener listener = new PopupMenuListener() {
        boolean initialized = false;

        public void popupMenuCanceled(PopupMenuEvent e) {
        }//from  ww  w .  j a  va 2  s . c  o  m

        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
        }

        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
            if (!initialized) {
                JComboBox combo = (JComboBox) e.getSource();
                ComboBoxModel model = new DefaultComboBoxModel(flavors);
                combo.setModel(model);
                initialized = true;
            }
        }
    };

    JComboBox jc = new JComboBox();
    jc.addPopupMenuListener(listener);
    jc.setMaximumRowCount(4);
    jc.setEditable(true);
    contentPane.add(jc, BorderLayout.NORTH);

    frame.pack();
    frame.show();
}

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From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Popup Menu Listener");
    Container contentPane = frame.getContentPane();

    final String flavors[] = { "Item 1", "Item 2", "Item 3" };

    PopupMenuListener listener = new PopupMenuListener() {
        boolean initialized = false;

        public void popupMenuCanceled(PopupMenuEvent e) {
        }//from ww w.ja  v  a 2s .  c  o m

        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
        }

        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
            if (!initialized) {
                JComboBox combo = (JComboBox) e.getSource();
                ComboBoxModel model = new DefaultComboBoxModel(flavors);
                combo.setModel(model);
                initialized = true;
            }
        }
    };

    JComboBox jc = new JComboBox();
    jc.addPopupMenuListener(listener);
    jc.setMaximumRowCount(4);
    jc.setEditable(true);
    contentPane.add(jc, BorderLayout.NORTH);

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

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From source file:ColorComboBox.java

public static void main(String args[]) {
    Color colors[] = { Color.black, Color.blue, Color.cyan, Color.darkGray, Color.gray, Color.green,
            Color.lightGray, Color.magenta, Color.orange, Color.pink, Color.red, Color.white, Color.yellow };
    JFrame frame = new JFrame("Color JComboBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    final JComboBox comboBox = new JComboBox(colors);
    comboBox.setMaximumRowCount(5);
    comboBox.setEditable(true);//ww w.  j  a  va 2 s  .  c  om
    comboBox.setRenderer(new ColorCellRenderer());
    Color color = (Color) comboBox.getSelectedItem();
    ComboBoxEditor editor = new ColorComboBoxEditor(color);
    comboBox.setEditor(editor);
    contentPane.add(comboBox, BorderLayout.NORTH);

    final JLabel label = new JLabel();
    label.setOpaque(true);
    label.setBackground((Color) comboBox.getSelectedItem());
    contentPane.add(label, BorderLayout.CENTER);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            Color selectedColor = (Color) comboBox.getSelectedItem();
            label.setBackground(selectedColor);
        }
    };
    comboBox.addActionListener(actionListener);

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

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From source file:ItemTest.java

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

    ItemListener listener = new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            System.out.println("Source: " + name(e.getSource()));
            System.out.println("Item: " + name(e.getItem()));
            int state = e.getStateChange();
            System.out.println("State: " + ((state == ItemEvent.SELECTED) ? "Selected" : "Deselected"));
        }//  w w  w.j a  v  a2 s.  c o m

        private String name(Object o) {
            if (o instanceof JComponent) {
                JComponent comp = (JComponent) o;
                return comp.getName();
            } else {
                return o.toString();
            }
        }
    };

    JPanel panel = new JPanel(new GridLayout(0, 1));
    ButtonGroup group = new ButtonGroup();
    JRadioButton option = new JRadioButton("French Fries", true);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    option = new JRadioButton("Onion Rings", false);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    option = new JRadioButton("Ice Cream", false);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    contentPane.add(panel, BorderLayout.NORTH);

    String flavors[] = { "Item 1", "Item 2", "Item 3" };
    JComboBox jc = new JComboBox(flavors);
    jc.setName("Combo");
    jc.addItemListener(listener);
    jc.setMaximumRowCount(4);
    contentPane.add(jc, BorderLayout.SOUTH);

    frame.pack();
    frame.show();
}

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