Example usage for java.awt.event ItemListener ItemListener

List of usage examples for java.awt.event ItemListener ItemListener

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Introduction

In this page you can find the example usage for java.awt.event ItemListener ItemListener.

Prototype

ItemListener

Source Link

Usage

From source file:JToggleButtonEvents.java

public static void main(String[] args) {
    JToggleButton jtb = new JToggleButton("Press Me");

    jtb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            System.out.println("ActionEvent!");
        }//from  ww  w  . ja  va 2 s .c  om
    });
    jtb.addItemListener(new ItemListener() {
        public void itemStateChanged(ItemEvent ev) {
            System.out.println("ItemEvent!");
        }
    });
    jtb.addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent ev) {
            System.out.println("ChangeEvent!");
        }
    });
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container c = f.getContentPane();
    c.setLayout(new FlowLayout());
    c.add(jtb);
    f.pack();
    f.setVisible(true);
}

From source file:Main.java

public static void main(String args[]) {
    String ITEMS[] = { "Black", "Blue", "Green", "Orange", "Purple", "Red", "White" };
    JList jList = new JList(ITEMS);
    jList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    JScrollPane scroll = new JScrollPane(jList);
    scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
    scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);

    JCheckBox chkEnable = new JCheckBox("Enable", true);
    chkEnable.addItemListener(new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            jList.setEnabled(chkEnable.isSelected());
        }//from w w w  . j  a va  2 s . c  o  m
    });

    JFrame f = new JFrame("Colors");
    Container contentPane = f.getContentPane();
    contentPane.setLayout(new BorderLayout());
    contentPane.add(scroll, BorderLayout.CENTER);
    contentPane.add(chkEnable, BorderLayout.NORTH);

    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(180, 220);
    f.setLocationRelativeTo(null);
    f.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]);
        }//w w  w  . j  a v  a 2 s.  c  om
    };
    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(final String args[]) {
    JFrame frame = new JFrame("MenuSample Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar menuBar = new JMenuBar();

    // File Menu, F - Mnemonic
    JMenu fileMenu = new JMenu("File");
    fileMenu.setMnemonic(KeyEvent.VK_F);
    menuBar.add(fileMenu);//from  w  ww .  j  a v a2  s  .  com

    // File->New, N - Mnemonic
    JMenuItem newMenuItem = new JMenuItem("New", KeyEvent.VK_N);
    fileMenu.add(newMenuItem);

    JCheckBoxMenuItem caseMenuItem = new JCheckBoxMenuItem("Case Sensitive");
    caseMenuItem.setMnemonic(KeyEvent.VK_C);
    fileMenu.add(caseMenuItem);

    ItemListener iListener = new ItemListener() {
        public void itemStateChanged(ItemEvent event) {
            Icon girlIcon = new ImageIcon("g.jpg");
            Icon boyIcon = new ImageIcon("b.jpg");
            AbstractButton aButton = (AbstractButton) event.getSource();
            int state = event.getStateChange();
            String newLabel;
            Icon newIcon;
            if (state == ItemEvent.SELECTED) {
                newLabel = "Girl";
                newIcon = girlIcon;
            } else {
                newLabel = "Boy";
                newIcon = boyIcon;
            }
            aButton.setText(newLabel);
            aButton.setIcon(newIcon);
        }
    };

    caseMenuItem.addItemListener(iListener);
    frame.setJMenuBar(menuBar);
    frame.setSize(350, 250);
    frame.setVisible(true);
}

From source file:JCheckBoxMenuItemActionListener.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("MenuSample Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar menuBar = new JMenuBar();

    // File Menu, F - Mnemonic
    JMenu fileMenu = new JMenu("File");
    fileMenu.setMnemonic(KeyEvent.VK_F);
    menuBar.add(fileMenu);/*w  ww  . j ava 2s . c  o m*/

    // File->New, N - Mnemonic
    JMenuItem newMenuItem = new JMenuItem("New", KeyEvent.VK_N);
    fileMenu.add(newMenuItem);

    JCheckBoxMenuItem caseMenuItem = new JCheckBoxMenuItem("Case Sensitive");
    caseMenuItem.setMnemonic(KeyEvent.VK_C);
    fileMenu.add(caseMenuItem);

    ItemListener iListener = new ItemListener() {
        public void itemStateChanged(ItemEvent event) {
            Icon girlIcon = new ImageIcon("girl-r.jpg");
            Icon boyIcon = new ImageIcon("boy-r.jpg");
            AbstractButton aButton = (AbstractButton) event.getSource();
            int state = event.getStateChange();
            String newLabel;
            Icon newIcon;
            if (state == ItemEvent.SELECTED) {
                newLabel = "Girl";
                newIcon = girlIcon;
            } else {
                newLabel = "Boy";
                newIcon = boyIcon;
            }
            aButton.setText(newLabel);
            aButton.setIcon(newIcon);
        }
    };

    caseMenuItem.addItemListener(iListener);
    frame.setJMenuBar(menuBar);
    frame.setSize(350, 250);
    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" };

    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]);
        }//from  w w  w .ja v  a2 s  . c  om
    };
    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:RadioButtonSample.java

public static void main(String args[]) {

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            AbstractButton aButton = (AbstractButton) actionEvent.getSource();
            boolean selected = aButton.getModel().isSelected();
            System.out.println(actionEvent.getActionCommand() + " - selected? " + selected);
        }/*www  .ja  va2 s.c  om*/
    };

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            AbstractButton aButton = (AbstractButton) itemEvent.getSource();
            int state = itemEvent.getStateChange();
            String selected = ((state == ItemEvent.SELECTED) ? "selected" : "not selected");
            System.out.println(aButton.getText() + " - selected? " + selected);
        }
    };

    JFrame frame = new JFrame("Radio Menu Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar menuBar = new JMenuBar();
    JMenu menu = new JMenu("Menu");
    ButtonGroup buttonGroup = new ButtonGroup();
    menu.setMnemonic(KeyEvent.VK_M);

    JRadioButtonMenuItem emptyMenuItem = new JRadioButtonMenuItem();
    emptyMenuItem.setActionCommand("Empty");
    emptyMenuItem.addActionListener(actionListener);
    buttonGroup.add(emptyMenuItem);
    menu.add(emptyMenuItem);

    JRadioButtonMenuItem oneMenuItem = new JRadioButtonMenuItem("Partridge");
    oneMenuItem.addActionListener(actionListener);
    buttonGroup.add(oneMenuItem);
    menu.add(oneMenuItem);

    JRadioButtonMenuItem twoMenuItem = new JRadioButtonMenuItem("Turtle Doves", true);
    twoMenuItem.addActionListener(actionListener);
    buttonGroup.add(twoMenuItem);
    menu.add(twoMenuItem);

    JRadioButtonMenuItem threeMenuItem = new JRadioButtonMenuItem("French Hens", threeIcon);
    threeMenuItem.addItemListener(itemListener);
    buttonGroup.add(threeMenuItem);
    menu.add(threeMenuItem);

    JRadioButtonMenuItem fourMenuItem = new JRadioButtonMenuItem("Calling Birds", fourIcon, true);
    fourMenuItem.addActionListener(actionListener);
    buttonGroup.add(fourMenuItem);
    menu.add(fourMenuItem);

    JRadioButtonMenuItem fiveMenuItem = new JRadioButtonMenuItem(fiveIcon);
    fiveMenuItem.addActionListener(actionListener);
    fiveMenuItem.setActionCommand("Rings");
    buttonGroup.add(fiveMenuItem);
    menu.add(fiveMenuItem);

    JRadioButtonMenuItem sixMenuItem = new JRadioButtonMenuItem(sixIcon, true);
    sixMenuItem.addActionListener(actionListener);
    sixMenuItem.setActionCommand("Geese");
    buttonGroup.add(sixMenuItem);
    menu.add(sixMenuItem);

    menuBar.add(menu);
    frame.setJMenuBar(menuBar);
    frame.setSize(350, 250);
    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  . ja v a2 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:CheckBoxSample.java

public static void main(String args[]) {

    ActionListener aListener = new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            AbstractButton aButton = (AbstractButton) event.getSource();
            boolean selected = aButton.getModel().isSelected();
            String newLabel;/*from ww w  .  jav  a 2 s .  c o m*/
            Icon newIcon;
            if (selected) {
                newLabel = "Girl";
                newIcon = girlIcon;
            } else {
                newLabel = "Boy";
                newIcon = boyIcon;
            }
            aButton.setText(newLabel);
            aButton.setIcon(newIcon);
        }
    };

    ItemListener iListener = new ItemListener() {
        public void itemStateChanged(ItemEvent event) {
            AbstractButton aButton = (AbstractButton) event.getSource();
            int state = event.getStateChange();
            String newLabel;
            Icon newIcon;
            if (state == ItemEvent.SELECTED) {
                newLabel = "Girl";
                newIcon = girlIcon;
            } else {
                newLabel = "Boy";
                newIcon = boyIcon;
            }
            aButton.setText(newLabel);
            aButton.setIcon(newIcon);
        }
    };

    JFrame frame = new JFrame("CheckBox Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar bar = new JMenuBar();
    JMenu menu = new JMenu("Menu");
    menu.setMnemonic(KeyEvent.VK_M);
    JCheckBoxMenuItem one = new JCheckBoxMenuItem();
    menu.add(one);
    JCheckBoxMenuItem two = new JCheckBoxMenuItem("Boy");
    menu.add(two);
    JCheckBoxMenuItem three = new JCheckBoxMenuItem(boyIcon);
    menu.add(three);
    JCheckBoxMenuItem four = new JCheckBoxMenuItem("Girl", true);
    menu.add(four);
    JCheckBoxMenuItem five = new JCheckBoxMenuItem("Boy", boyIcon);
    five.addItemListener(iListener);
    menu.add(five);
    Icon stateIcon = new DiamondAbstractButtonStateIcon(Color.black);

    UIManager.put("CheckBoxMenuItem.checkIcon", stateIcon);
    JCheckBoxMenuItem six = new JCheckBoxMenuItem("Girl", girlIcon, true);
    six.addActionListener(aListener);
    menu.add(six);

    bar.add(menu);
    frame.setJMenuBar(bar);
    frame.setSize(350, 250);
    frame.setVisible(true);
}

From source file:MainClass.java

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

    JToggleButton toggleButton = new JToggleButton("Selected");

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            AbstractButton abstractButton = (AbstractButton) actionEvent.getSource();
            boolean selected = abstractButton.getModel().isSelected();
            System.out.println("Action - selected=" + selected + "\n");
        }/*from www  .  ja  v  a2  s.c  o  m*/
    };

    ChangeListener changeListener = new ChangeListener() {
        public void stateChanged(ChangeEvent changeEvent) {
            AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
            ButtonModel buttonModel = abstractButton.getModel();
            boolean armed = buttonModel.isArmed();
            boolean pressed = buttonModel.isPressed();
            boolean selected = buttonModel.isSelected();
            System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
        }
    };

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            int state = itemEvent.getStateChange();
            if (state == ItemEvent.SELECTED) {
                System.out.println("Selected");
            } else {
                System.out.println("Deselected");
            }
        }
    };

    toggleButton.addActionListener(actionListener);
    toggleButton.addChangeListener(changeListener);
    toggleButton.addItemListener(itemListener);
    frame.add(toggleButton, BorderLayout.NORTH);

    JToggleButton toggleButton2 = new JToggleButton("Focused");
    frame.add(toggleButton2, BorderLayout.CENTER);

    JToggleButton toggleButton3 = new JToggleButton("Not Selected");
    frame.add(toggleButton3, BorderLayout.SOUTH);

    frame.setSize(300, 125);
    frame.setVisible(true);
}