Example usage for javax.swing DefaultComboBoxModel addElement

Introduction

In this page you can find the example usage for javax.swing DefaultComboBoxModel addElement.

Prototype

public void addElement(E anObject) 

Source Link

Usage

From source file:Main.java

public static void main(String[] args) {
    Object[] items = new Object[] { "Dog", "Cat", "Other" };
    DefaultComboBoxModel dcbm = new DefaultComboBoxModel(items);
    JComboBox comboBox = new JComboBox(dcbm);
    comboBox.setPreferredSize(new Dimension(200, 20));
    comboBox.addItemListener(e -> {/*from  www .  ja  v  a  2 s .com*/
        Object selectedItem = comboBox.getSelectedItem();
        boolean editable = selectedItem instanceof String && ((String) selectedItem).equals("Other");
        comboBox.setEditable(editable);
    });
    comboBox.getEditor().addActionListener(e -> {
        Object newItem = comboBox.getEditor().getItem();
        DefaultComboBoxModel d = (DefaultComboBoxModel) comboBox.getModel();
        d.addElement(newItem);
        d.setSelectedItem(newItem);

    });

    JPanel content = new JPanel(new FlowLayout());
    content.add(new JLabel("Test:"));
    content.add(comboBox);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(content);
    frame.pack();
    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("E");

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

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);/*from  w  ww.j  a  v a2s.c  om*/
    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");
        }
    };
    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");

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

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);//from ww  w.  j a v  a 2  s.  co  m
    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");
            System.out.println(model.getIndexOf("A"));
        }
    };
    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");

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

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);//www .  jav a  2s .  c  o  m
    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");
            System.out.println(model.getSelectedItem());
        }
    };
    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");

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

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);//from   www . j  a v a2 s .c  o  m
    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");
            System.out.println(model.getSize());
        }
    };
    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");

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

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);//from www .  j  a  v  a2 s.  c  om
    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);
}

---

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");

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

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);//from www. j a v a2  s  .c  om
    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");
            System.out.println(model.getElementAt(1));
        }
    };
    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.removeElement("A");

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

    JComboBox<String> comboBox1 = new JComboBox<String>(model);
    comboBox1.setMaximumRowCount(5);/*from   ww  w  .j a  va2 s .co  m*/
    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);
}

---

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();/* w  w  w  . ja  v  a  2s. c  om*/

    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);
}

---

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);/* w  w w .jav  a 2 s.  c om*/
    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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