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:MyComboBoxUI.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D" };
    JFrame frame = new JFrame("Popup JComboBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox comboBox = new JComboBox(labels);
    comboBox.setUI((ComboBoxUI) MyComboBoxUI.createUI(comboBox));
    frame.add(comboBox, BorderLayout.NORTH);

    JComboBox comboBox2 = new JComboBox(labels);
    frame.add(comboBox2, BorderLayout.SOUTH);

    frame.setSize(300, 100);/* w w  w . j a v a 2  s.c  om*/
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    JToolBar toolbar = new JToolBar();
    ImageIcon icon = new ImageIcon("icon.gif");
    Action action = new AbstractAction("Button Label", icon) {
        public void actionPerformed(ActionEvent evt) {
        }//from  ww w  .j ava 2  s  . c o  m
    };

    JButton c1 = new JButton(action);
    c1.setText(null);
    c1.setMargin(new Insets(0, 0, 0, 0));
    toolbar.add(c1);

    JToggleButton c2 = new JToggleButton(action);
    c2.setText(null);
    c2.setMargin(new Insets(0, 0, 0, 0));
    toolbar.add(c2);

    JComboBox c3 = new JComboBox(new String[] { "A", "B", "C" });
    c3.setPrototypeDisplayValue("XXXXXXXX"); // Set a desired width
    c3.setMaximumSize(c3.getMinimumSize());
    toolbar.add(c3);
}

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From source file:MainClass.java

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

    final int modeKey[] = { JTable.AUTO_RESIZE_ALL_COLUMNS, JTable.AUTO_RESIZE_LAST_COLUMN,
            JTable.AUTO_RESIZE_NEXT_COLUMN, JTable.AUTO_RESIZE_OFF, JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS };

    final JTable table = new JTable(rows, headers);
    JScrollPane scrollPane = new JScrollPane(table);

    String modes[] = { "Resize All Columns", "Resize Last Column", "Resize Next Column", "Resize Off",
            "Resize Subsequent Columns" };

    final JComboBox resizeModeComboBox = new JComboBox(modes);
    int defaultMode = 4;
    table.setAutoResizeMode(modeKey[defaultMode]);
    resizeModeComboBox.setSelectedIndex(defaultMode);
    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            int index = resizeModeComboBox.getSelectedIndex();
            table.setAutoResizeMode(modeKey[index]);
        }// ww  w.  j a  va 2 s .  c o  m
    };
    resizeModeComboBox.addItemListener(itemListener);

    JFrame frame = new JFrame("Resizing Table");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.add(resizeModeComboBox, BorderLayout.NORTH);
    frame.add(scrollPane, BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    Vector<Double> doubleVector = new Vector<Double>();
    Vector<Integer> integerVector = new Vector<Integer>();
    Vector<Boolean> booleanVector = new Vector<Boolean>();
    Vector<Icon> iconVector = new Vector<Icon>();
    Icon icon1 = ((UIManager.getIcon("OptionPane.errorIcon")));
    Icon icon2 = (UIManager.getIcon("OptionPane.informationIcon"));
    Icon icon3 = (UIManager.getIcon("OptionPane.warningIcon"));
    Icon icon4 = (UIManager.getIcon("OptionPane.questionIcon"));

    doubleVector.addElement(1.001);// www .j av a 2 s.c  o  m
    doubleVector.addElement(10.00);
    doubleVector.addElement(0.95);
    doubleVector.addElement(4.2);
    JComboBox comboBoxDouble = new JComboBox(doubleVector);
    integerVector.addElement(1);
    integerVector.addElement(2);
    integerVector.addElement(3);
    integerVector.addElement(4);
    JComboBox comboBoxInteger = new JComboBox(integerVector);
    booleanVector.add(Boolean.TRUE);
    booleanVector.add(Boolean.FALSE);
    JComboBox comboBoxBoolean = new JComboBox(booleanVector);
    iconVector.addElement(icon1);
    iconVector.addElement(icon2);
    iconVector.addElement(icon3);
    iconVector.addElement(icon4);
    JComboBox comboBoxIcon = new JComboBox(iconVector);
    JFrame frame = new JFrame();
    frame.setLayout(new GridLayout(2, 2, 5, 5));
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(comboBoxDouble);
    frame.add(comboBoxInteger);
    frame.add(comboBoxBoolean);
    frame.add(comboBoxIcon);
    frame.pack();
    frame.setVisible(true);
}

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From source file:TableSample2.java

public static void main(String args[]) {
    Object rows[][] = { { "one", "ichi - \u4E00", "un" }, { "two", "ni - \u4E8C", "deux" },
            { "three", "san - \u4E09", "trois" }, { "four", "shi - \u56DB", "quatre" },
            { "five", "go - \u4E94", "cinq" }, { "six", "roku - \u516D", "treiza" },
            { "seven", "shichi - \u4E03", "sept" }, { "eight", "hachi - \u516B", "huit" },
            { "nine", "kyu - \u4E5D", "neuf" }, { "ten", "ju - \u5341", "dix" } };
    Object options[] = { "un", "deux", "trois", "quatre", "cinq", "treiza", "sept", "huit", "neuf", "dix" };
    JComboBox comboBox = new JComboBox(options);
    comboBox.setMaximumRowCount(4);/* ww  w  .  ja  va 2s.c o m*/
    TableCellEditor editor = new DefaultCellEditor(comboBox);

    Object headers[] = { "English", "Japanese", "French" };
    JFrame frame = new JFrame("JTable Anatomy");
    class CustomTableModel extends DefaultTableModel {
        public CustomTableModel(Object rowData[][], Object columnNames[]) {
            super(rowData, columnNames);
        }

        public Class getColumnClass(int col) {
            Vector v = (Vector) dataVector.elementAt(0);
            return v.elementAt(col).getClass();
        }

        public boolean isCellEditable(int row, int col) {
            return true;
        }
    }
    JTable table = new JTable(new DefaultTableModel(rows, headers));

    //    ColumnModelUtilities.removeHeaders(table.getColumnModel());
    table.getColumnModel().getColumn(2).setCellEditor(editor);

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

---

From source file:ResizeTable.java

public static void main(String args[]) {

    final Object rowData[][] = { { "1", "one", "I" }, { "2", "two", "II" }, { "3", "three", "III" } };
    final String columnNames[] = { "#", "English", "Roman" };

    final JTable table = new JTable(rowData, columnNames);
    JScrollPane scrollPane = new JScrollPane(table);

    String modes[] = { "Resize All Columns", "Resize Last Column", "Resize Next Column", "Resize Off",
            "Resize Subsequent Columns" };

    final int modeKey[] = { JTable.AUTO_RESIZE_ALL_COLUMNS, JTable.AUTO_RESIZE_LAST_COLUMN,
            JTable.AUTO_RESIZE_NEXT_COLUMN, JTable.AUTO_RESIZE_OFF, JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS };

    JComboBox resizeModeComboBox = new JComboBox(modes);

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            JComboBox source = (JComboBox) e.getSource();
            int index = source.getSelectedIndex();
            table.setAutoResizeMode(modeKey[index]);
        }//from w w w  .j a v a  2 s . co  m
    };
    resizeModeComboBox.addItemListener(itemListener);

    JFrame frame = new JFrame("Resizing Table");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.add(resizeModeComboBox, BorderLayout.NORTH);
    frame.add(scrollPane, BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);

}

---

From source file:SelectingComboSample.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "J", "I" };
    JFrame frame = new JFrame("Selecting JComboBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    JComboBox comboBox = new JComboBox(labels);
    contentPane.add(comboBox, BorderLayout.SOUTH);

    final JTextArea textArea = new JTextArea();
    textArea.setEditable(false);/*from   w  ww .  j a va 2  s. c o m*/
    JScrollPane sp = new JScrollPane(textArea);
    contentPane.add(sp, BorderLayout.CENTER);

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            int state = itemEvent.getStateChange();
            String stateString = ((state == ItemEvent.SELECTED) ? "Selected" : "Deselected");
            pw.print("Item: " + itemEvent.getItem());
            pw.print(", State: " + stateString);
            ItemSelectable is = itemEvent.getItemSelectable();
            pw.print(", Selected: " + selectedString(is));
            pw.println();
            textArea.append(sw.toString());
        }
    };
    comboBox.addItemListener(itemListener);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            pw.print("Command: " + actionEvent.getActionCommand());
            ItemSelectable is = (ItemSelectable) actionEvent.getSource();
            pw.print(", Selected: " + selectedString(is));
            pw.println();
            textArea.append(sw.toString());
        }
    };
    comboBox.addActionListener(actionListener);

    frame.setSize(400, 200);
    frame.setVisible(true);
}

---

From source file:MyComboBoxModel.java

public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComboBox cbox = new JComboBox(new MyComboBoxModel());
    cbox.setMaximumRowCount(5);//from  w  w w. jav  a  2 s.co m
    frame.add(cbox);

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

---

From source file:EditableTable.java

public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    String[] columnTitles = { "First Name", "Last Name", "Weight (lb)", "Blood Group", "Age>20yrs" };
    Object[][] dataEntries = { { "Saravan", "Pantham", new Integer(50), "B", new Boolean(false) },
            { "Eric", "", new Integer(180), "O", new Boolean(true) },
            { "John", "", new Integer(120), "AB", new Boolean(false) },
            { "Mathew", "", new Integer(140), "A", new Boolean(true) }, };
    TableModel model = new EditableTableModel(columnTitles, dataEntries);
    JTable table = new JTable(model);
    table.createDefaultColumnsFromModel();

    String[] bloodGroups = { "A", "B", "AB", "O" };
    JComboBox comboBox = new JComboBox(bloodGroups);
    table.getColumnModel().getColumn(3).setCellEditor(new DefaultCellEditor(comboBox));

    frame.add(new JScrollPane(table));

    frame.setSize(300, 200);/*from   w  ww  .jav a 2 s  . c o  m*/
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    ScriptEngine engine = new ScriptEngineManager().getEngineByExtension("js");

    String[] ops = { "+", "-", "*", "/" };

    JPanel gui = new JPanel(new BorderLayout(2, 2));
    JPanel labels = new JPanel(new GridLayout(0, 1));
    gui.add(labels, BorderLayout.WEST);
    labels.add(new JLabel("a"));
    labels.add(new JLabel("operand"));
    labels.add(new JLabel("b"));
    labels.add(new JLabel("="));

    JPanel controls = new JPanel(new GridLayout(0, 1));
    gui.add(controls, BorderLayout.CENTER);
    JTextField a = new JTextField(10);
    controls.add(a);//from   w  w w.j  a v  a 2s.c o m
    JComboBox operand = new JComboBox(ops);
    controls.add(operand);
    JTextField b = new JTextField(10);
    controls.add(b);
    JTextField output = new JTextField(10);
    controls.add(output);

    ActionListener al = new ActionListener() {
        public void actionPerformed(ActionEvent ae) {
            String expression = a.getText() + operand.getSelectedItem() + b.getText();
            try {
                Object result = engine.eval(expression);
                if (result == null) {
                    output.setText("Output was 'null'");
                } else {
                    output.setText(result.toString());
                }
            } catch (ScriptException se) {
                output.setText(se.getMessage());
            }
        }
    };

    operand.addActionListener(al);
    a.addActionListener(al);
    b.addActionListener(al);

    JOptionPane.showMessageDialog(null, gui);
}

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