Example usage for javax.swing MenuSelectionManager defaultManager

List of usage examples for javax.swing MenuSelectionManager defaultManager

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  6. defaultManager

Introduction

In this page you can find the example usage for javax.swing MenuSelectionManager defaultManager.

Prototype

public static MenuSelectionManager defaultManager()

Source Link

Document

Returns the default menu selection manager.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    MenuSelectionManager.defaultManager().addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent evt) {
            MenuSelectionManager msm = (MenuSelectionManager) evt.getSource();
            MenuElement[] path = msm.getSelectedPath();
            if (path.length == 0) {
            }/*ww  w . j  av a 2s .c  o m*/
        }
    });
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    MenuSelectionManager.defaultManager().addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent evt) {
            MenuSelectionManager msm = (MenuSelectionManager) evt.getSource();
            MenuElement[] path = msm.getSelectedPath();
            if (path.length == 0) {
            }//w  w w  . j  ava2s  .c o m
        }
    });

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    MenuElement[] path = MenuSelectionManager.defaultManager().getSelectedPath();

    if (path.length == 0) {
        System.out.println("No menus are opened or menu items selected");
    }/*w w w .  ja  v  a 2  s .c om*/
    for (int i = 0; i < path.length; i++) {
        Component c = path[i].getComponent();

        if (c instanceof JMenuItem) {
            JMenuItem mi = (JMenuItem) c;
            String label = mi.getText();
        }
    }
}

From source file:ContructMenuMenuSelectionManager.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 www .j  ava 2 s.  c  o  m*/

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

    newMenuItem.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            MenuElement[] eles = MenuSelectionManager.defaultManager().getSelectedPath();
            for (MenuElement ele : eles) {
                System.out.println(ele);

            }
            MenuSelectionManager.defaultManager().clearSelectedPath();
        }
    });

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

From source file:MenuX.java

public static void main(String args[]) {
    ActionListener actionListener = new MenuActionListener();
    MenuKeyListener menuKeyListener = new MyMenuKeyListener();
    ChangeListener cListener = new MyChangeListener();
    MenuListener menuListener = new MyMenuListener();
    MenuSelectionManager manager = MenuSelectionManager.defaultManager();
    manager.addChangeListener(cListener);
    JFrame frame = new JFrame("MenuSample Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar bar = new VerticalMenuBar();
    //    JMenuBar bar = new JMenuBar();

    // File Menu, F - Mnemonic
    JMenu file = new JMenu("File");
    file.setMnemonic(KeyEvent.VK_F);
    file.addChangeListener(cListener);//from   ww w .j a  v a  2  s  . c  o  m
    file.addMenuListener(menuListener);
    file.addMenuKeyListener(menuKeyListener);
    JPopupMenu popupMenu = file.getPopupMenu();
    popupMenu.setLayout(new GridLayout(3, 3));
    bar.add(file);

    // File->New, N - Mnemonic
    JMenuItem newItem = new JMenuItem("New", KeyEvent.VK_N);
    newItem.addActionListener(actionListener);
    newItem.addChangeListener(cListener);
    newItem.addMenuKeyListener(menuKeyListener);
    file.add(newItem);

    // File->Open, O - Mnemonic
    JMenuItem openItem = new JMenuItem("Open", KeyEvent.VK_O);
    openItem.addActionListener(actionListener);
    openItem.addChangeListener(cListener);
    openItem.addMenuKeyListener(menuKeyListener);
    file.add(openItem);

    // File->Close, C - Mnemonic
    JMenuItem closeItem = new JMenuItem("Close", KeyEvent.VK_C);
    closeItem.addActionListener(actionListener);
    closeItem.addChangeListener(cListener);
    closeItem.addMenuKeyListener(menuKeyListener);
    file.add(closeItem);

    // Separator
    file.addSeparator();

    // File->Save, S - Mnemonic
    JMenuItem saveItem = new JMenuItem("Save", KeyEvent.VK_S);
    saveItem.addActionListener(actionListener);
    saveItem.addChangeListener(cListener);
    saveItem.addMenuKeyListener(menuKeyListener);
    file.add(saveItem);

    // Separator
    file.addSeparator();

    // File->Exit, X - Mnemonic
    JMenuItem exitItem = new JMenuItem("Exit", KeyEvent.VK_X);
    exitItem.addActionListener(actionListener);
    exitItem.addChangeListener(cListener);
    exitItem.addMenuKeyListener(menuKeyListener);
    file.add(exitItem);

    // Edit Menu, E - Mnemonic
    JMenu edit = new JMenu("Edit");
    edit.setMnemonic(KeyEvent.VK_E);
    edit.addChangeListener(cListener);
    edit.addMenuListener(menuListener);
    edit.addMenuKeyListener(menuKeyListener);
    bar.add(edit);

    // Edit->Cut, T - Mnemonic, CTRL-X - Accelerator
    JMenuItem cutItem = new JMenuItem("Cut", KeyEvent.VK_T);
    cutItem.addActionListener(actionListener);
    cutItem.addChangeListener(cListener);
    cutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, Event.CTRL_MASK));
    cutItem.addMenuKeyListener(menuKeyListener);
    edit.add(cutItem);

    // Edit->Copy, C - Mnemonic, CTRL-C - Accelerator
    JMenuItem copyItem = new JMenuItem("Copy", KeyEvent.VK_C);
    copyItem.addActionListener(actionListener);
    copyItem.addChangeListener(cListener);
    copyItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, Event.CTRL_MASK));
    copyItem.addMenuKeyListener(menuKeyListener);
    copyItem.setEnabled(false);
    edit.add(copyItem);

    // Edit->Paste, P - Mnemonic, CTRL-V - Accelerator, Disabled
    JMenuItem pasteItem = new JMenuItem("Paste", KeyEvent.VK_P);
    pasteItem.addActionListener(actionListener);
    pasteItem.addChangeListener(cListener);
    pasteItem.addMenuKeyListener(menuKeyListener);
    pasteItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, Event.CTRL_MASK));
    pasteItem.setEnabled(false);
    edit.add(pasteItem);

    // Separator
    edit.addSeparator();

    // Edit->Find, F - Mnemonic, F3 - Accelerator
    JMenuItem findItem = new JMenuItem("Find", KeyEvent.VK_F);
    findItem.addActionListener(actionListener);
    findItem.addChangeListener(cListener);
    findItem.addMenuKeyListener(menuKeyListener);
    findItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F3, 0));
    edit.add(findItem);

    // Edit->Options Submenu, O - Mnemonic, at.gif - Icon Image File
    JMenu findOptions = new JMenu("Options");
    findOptions.addChangeListener(cListener);
    findOptions.addMenuListener(menuListener);
    findOptions.addMenuKeyListener(menuKeyListener);
    Icon atIcon = new ImageIcon("at.gif");
    findOptions.setIcon(atIcon);
    findOptions.setMnemonic(KeyEvent.VK_O);

    // ButtonGrou for radio buttons
    ButtonGroup directionGroup = new ButtonGroup();

    // Edit->Options->Forward, F - Mnemonic, in group
    JRadioButtonMenuItem forward = new JRadioButtonMenuItem("Forward", true);
    forward.addActionListener(actionListener);
    forward.addChangeListener(cListener);
    forward.addMenuKeyListener(menuKeyListener);
    forward.setMnemonic(KeyEvent.VK_F);
    findOptions.add(forward);
    directionGroup.add(forward);

    // Edit->Options->Backward, B - Mnemonic, in group
    JRadioButtonMenuItem backward = new JRadioButtonMenuItem("Backward");
    backward.addActionListener(actionListener);
    backward.addChangeListener(cListener);
    backward.addMenuKeyListener(menuKeyListener);
    backward.setMnemonic(KeyEvent.VK_B);
    findOptions.add(backward);
    directionGroup.add(backward);

    // Separator
    findOptions.addSeparator();

    // Edit->Options->Case Sensitive, C - Mnemonic
    JCheckBoxMenuItem caseItem = new JCheckBoxMenuItem("Case Sensitive");
    caseItem.addActionListener(actionListener);
    caseItem.addChangeListener(cListener);
    caseItem.addMenuKeyListener(menuKeyListener);
    caseItem.setMnemonic(KeyEvent.VK_C);
    findOptions.add(caseItem);
    edit.add(findOptions);

    frame.setJMenuBar(bar);
    //    frame.getContentPane().add(bar, BorderLayout.EAST);
    frame.setSize(350, 250);
    frame.setVisible(true);
}

From source file:MenuY.java

public static void main(String args[]) {
    ActionListener actionListener = new MenuActionListener();
    MenuKeyListener menuKeyListener = new MyMenuKeyListener();
    ChangeListener cListener = new MyChangeListener();
    MenuListener menuListener = new MyMenuListener();
    MenuSelectionManager manager = MenuSelectionManager.defaultManager();
    manager.addChangeListener(cListener);
    JFrame frame = new JFrame("MenuSample Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar bar = new VerticalMenuBar();
    //    JMenuBar bar = new JMenuBar();

    // File Menu, F - Mnemonic
    JMenu file = new JMenu("File");
    file.setMnemonic(KeyEvent.VK_F);
    file.addChangeListener(cListener);/*  w w  w.  j a v a2  s.  com*/
    file.addMenuListener(menuListener);
    file.addMenuKeyListener(menuKeyListener);
    JPopupMenu popupMenu = file.getPopupMenu();
    popupMenu.setLayout(new GridLayout(3, 3));
    bar.add(file);

    // File->New, N - Mnemonic
    JMenuItem newItem = new JMenuItem("New", KeyEvent.VK_N);
    newItem.addActionListener(actionListener);
    newItem.addChangeListener(cListener);
    newItem.addMenuKeyListener(menuKeyListener);
    file.add(newItem);

    // File->Open, O - Mnemonic
    JMenuItem openItem = new JMenuItem("Open", KeyEvent.VK_O);
    openItem.addActionListener(actionListener);
    openItem.addChangeListener(cListener);
    openItem.addMenuKeyListener(menuKeyListener);
    file.add(openItem);

    // File->Close, C - Mnemonic
    JMenuItem closeItem = new JMenuItem("Close", KeyEvent.VK_C);
    closeItem.addActionListener(actionListener);
    closeItem.addChangeListener(cListener);
    closeItem.addMenuKeyListener(menuKeyListener);
    file.add(closeItem);

    // Separator
    file.addSeparator();

    // File->Save, S - Mnemonic
    JMenuItem saveItem = new JMenuItem("Save", KeyEvent.VK_S);
    saveItem.addActionListener(actionListener);
    saveItem.addChangeListener(cListener);
    saveItem.addMenuKeyListener(menuKeyListener);
    file.add(saveItem);

    // Separator
    file.addSeparator();

    // File->Exit, X - Mnemonic
    JMenuItem exitItem = new JMenuItem("Exit", KeyEvent.VK_X);
    exitItem.addActionListener(actionListener);
    exitItem.addChangeListener(cListener);
    exitItem.addMenuKeyListener(menuKeyListener);
    file.add(exitItem);

    // Edit Menu, E - Mnemonic
    JMenu edit = new JMenu("Edit");
    edit.setMnemonic(KeyEvent.VK_E);
    edit.addChangeListener(cListener);
    edit.addMenuListener(menuListener);
    edit.addMenuKeyListener(menuKeyListener);
    bar.add(edit);

    // Edit->Cut, T - Mnemonic, CTRL-X - Accelerator
    JMenuItem cutItem = new JMenuItem("Cut", KeyEvent.VK_T);
    cutItem.addActionListener(actionListener);
    cutItem.addChangeListener(cListener);
    cutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, Event.CTRL_MASK));
    cutItem.addMenuKeyListener(menuKeyListener);
    edit.add(cutItem);

    // Edit->Copy, C - Mnemonic, CTRL-C - Accelerator
    JMenuItem copyItem = new JMenuItem("Copy", KeyEvent.VK_C);
    copyItem.addActionListener(actionListener);
    copyItem.addChangeListener(cListener);
    copyItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, Event.CTRL_MASK));
    copyItem.addMenuKeyListener(menuKeyListener);
    copyItem.setEnabled(false);
    edit.add(copyItem);

    // Edit->Paste, P - Mnemonic, CTRL-V - Accelerator, Disabled
    JMenuItem pasteItem = new JMenuItem("Paste", KeyEvent.VK_P);
    pasteItem.addActionListener(actionListener);
    pasteItem.addChangeListener(cListener);
    pasteItem.addMenuKeyListener(menuKeyListener);
    pasteItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, Event.CTRL_MASK));
    pasteItem.setEnabled(false);
    edit.add(pasteItem);

    // Separator
    edit.addSeparator();

    // Edit->Find, F - Mnemonic, F3 - Accelerator
    JMenuItem findItem = new JMenuItem("Find", KeyEvent.VK_F);
    findItem.addActionListener(actionListener);
    findItem.addChangeListener(cListener);
    findItem.addMenuKeyListener(menuKeyListener);
    findItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F3, 0));
    edit.add(findItem);

    // Edit->Options Submenu, O - Mnemonic, at.gif - Icon Image File
    Icon atIcon = new ImageIcon("at.gif");
    Action findAction = new AbstractAction("Options", atIcon) {
        ActionListener actionListener = new MenuActionListener();

        public void actionPerformed(ActionEvent e) {
            actionListener.actionPerformed(e);
        }
    };
    findAction.putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_O));
    JMenuItem jMenuItem = new JMenuItem(findAction);

    JMenu findOptions = new JMenu(findAction);
    findOptions.addChangeListener(cListener);
    findOptions.addMenuListener(menuListener);
    findOptions.addMenuKeyListener(menuKeyListener);

    // ButtonGrou for radio buttons
    ButtonGroup directionGroup = new ButtonGroup();

    // Edit->Options->Forward, F - Mnemonic, in group
    JRadioButtonMenuItem forward = new JRadioButtonMenuItem("Forward", true);
    forward.addActionListener(actionListener);
    forward.addChangeListener(cListener);
    forward.addMenuKeyListener(menuKeyListener);
    forward.setMnemonic(KeyEvent.VK_F);
    findOptions.add(forward);
    directionGroup.add(forward);

    // Edit->Options->Backward, B - Mnemonic, in group
    JRadioButtonMenuItem backward = new JRadioButtonMenuItem("Backward");
    backward.addActionListener(actionListener);
    backward.addChangeListener(cListener);
    backward.addMenuKeyListener(menuKeyListener);
    backward.setMnemonic(KeyEvent.VK_B);
    findOptions.add(backward);
    directionGroup.add(backward);

    // Separator
    findOptions.addSeparator();

    // Edit->Options->Case Sensitive, C - Mnemonic
    JCheckBoxMenuItem caseItem = new JCheckBoxMenuItem("Case Sensitive");
    caseItem.addActionListener(actionListener);
    caseItem.addChangeListener(cListener);
    caseItem.addMenuKeyListener(menuKeyListener);
    caseItem.setMnemonic(KeyEvent.VK_C);
    findOptions.add(caseItem);
    edit.add(findOptions);

    frame.setJMenuBar(bar);
    //    frame.getContentPane().add(bar, BorderLayout.EAST);
    frame.setSize(350, 250);
    frame.setVisible(true);
}

From source file:JToggleButtonMenuItem.java

private void init() {
    updateUI();/*from w  w w.  ja  v a2s. c  om*/
    setRequestFocusEnabled(false);
    // Borrows heavily from BasicMenuUI
    MouseInputListener mouseInputListener = new MouseInputListener() {
        // If mouse released over this menu item, activate it
        public void mouseReleased(MouseEvent mouseEvent) {
            MenuSelectionManager menuSelectionManager = MenuSelectionManager.defaultManager();
            Point point = mouseEvent.getPoint();
            if ((point.x >= 0) && (point.x < getWidth()) && (point.y >= 0) && (point.y < getHeight())) {
                menuSelectionManager.clearSelectedPath();
                // Component automatically handles "selection" at this point
                // doClick(0); // not necessary
            } else {
                menuSelectionManager.processMouseEvent(mouseEvent);
            }
        }

        // If mouse moves over menu item, add to selection path, so it becomes
        // armed
        public void mouseEntered(MouseEvent mouseEvent) {
            MenuSelectionManager menuSelectionManager = MenuSelectionManager.defaultManager();
            menuSelectionManager.setSelectedPath(getPath());
        }

        // When mouse moves away from menu item, disarm it and select something
        // else
        public void mouseExited(MouseEvent mouseEvent) {
            MenuSelectionManager menuSelectionManager = MenuSelectionManager.defaultManager();
            MenuElement path[] = menuSelectionManager.getSelectedPath();
            if (path.length > 1) {
                MenuElement newPath[] = new MenuElement[path.length - 1];
                for (int i = 0, c = path.length - 1; i < c; i++) {
                    newPath[i] = path[i];
                }
                menuSelectionManager.setSelectedPath(newPath);
            }
        }

        // Pass along drag events
        public void mouseDragged(MouseEvent mouseEvent) {
            MenuSelectionManager.defaultManager().processMouseEvent(mouseEvent);
        }

        public void mouseClicked(MouseEvent mouseEvent) {
        }

        public void mousePressed(MouseEvent mouseEvent) {
        }

        public void mouseMoved(MouseEvent mouseEvent) {
        }
    };
    addMouseListener(mouseInputListener);
    addMouseMotionListener(mouseInputListener);
}

From source file:ToggleSample.java

private void init() {
    updateUI();/*www .  jav  a2 s . c  o  m*/
    setRequestFocusEnabled(false);
    // Borrows heavily from BasicMenuUI
    MouseInputListener mouseInputListener = new MouseInputListener() {
        // If mouse released over this menu item, activate it
        public void mouseReleased(MouseEvent mouseEvent) {
            MenuSelectionManager menuSelectionManager = MenuSelectionManager.defaultManager();
            Point point = mouseEvent.getPoint();
            if ((point.x >= 0) && (point.x < getWidth()) && (point.y >= 0) && (point.y < getHeight())) {
                menuSelectionManager.clearSelectedPath();
                // component automatically handles "selection" at this point
                // doClick(0); // not necessary
            } else {
                menuSelectionManager.processMouseEvent(mouseEvent);
            }
        }

        // If mouse moves over menu item, add to selection path, so it
        // becomes armed
        public void mouseEntered(MouseEvent mouseEvent) {
            MenuSelectionManager menuSelectionManager = MenuSelectionManager.defaultManager();
            menuSelectionManager.setSelectedPath(getPath());
        }

        // When mouse moves away from menu item, disaarm it and select
        // something else
        public void mouseExited(MouseEvent mouseEvent) {
            MenuSelectionManager menuSelectionManager = MenuSelectionManager.defaultManager();
            MenuElement path[] = menuSelectionManager.getSelectedPath();
            if (path.length > 1) {
                MenuElement newPath[] = new MenuElement[path.length - 1];
                for (int i = 0, c = path.length - 1; i < c; i++) {
                    newPath[i] = path[i];
                }
                menuSelectionManager.setSelectedPath(newPath);
            }
        }

        // Pass along drag events
        public void mouseDragged(MouseEvent mouseEvent) {
            MenuSelectionManager.defaultManager().processMouseEvent(mouseEvent);
        }

        public void mouseClicked(MouseEvent mouseEvent) {
        }

        public void mousePressed(MouseEvent mouseEvent) {
        }

        public void mouseMoved(MouseEvent mouseEvent) {
        }
    };
    addMouseListener(mouseInputListener);
    addMouseMotionListener(mouseInputListener);
}

From source file:components.MenuSelectionManagerDemo.java

public JMenuBar createMenuBar() {
    JMenuBar menuBar;//from  w  w  w  .j a  v a  2 s .  c  o  m
    JMenu menu, submenu;
    JMenuItem menuItem;
    JRadioButtonMenuItem rbMenuItem;
    JCheckBoxMenuItem cbMenuItem;

    //Create the menu bar.
    menuBar = new JMenuBar();

    //Build the first menu.
    menu = new JMenu("A Menu");
    menu.setMnemonic(KeyEvent.VK_A);
    menu.getAccessibleContext().setAccessibleDescription("The only menu in this program that has menu items");
    menuBar.add(menu);

    //a group of JMenuItems
    menuItem = new JMenuItem("A text-only menu item", KeyEvent.VK_T);
    //menuItem.setMnemonic(KeyEvent.VK_T); //used constructor instead
    menuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_1, ActionEvent.ALT_MASK));
    menuItem.getAccessibleContext().setAccessibleDescription("This doesn't really do anything");
    menuItem.addActionListener(this);
    menu.add(menuItem);

    ImageIcon icon = createImageIcon("images/middle.gif");
    menuItem = new JMenuItem("Both text and icon", icon);
    menuItem.setMnemonic(KeyEvent.VK_B);
    menuItem.addActionListener(this);
    menu.add(menuItem);

    menuItem = new JMenuItem(icon);
    menuItem.setMnemonic(KeyEvent.VK_D);
    menuItem.addActionListener(this);
    menu.add(menuItem);

    //a group of radio button menu items
    menu.addSeparator();
    ButtonGroup group = new ButtonGroup();

    rbMenuItem = new JRadioButtonMenuItem("A radio button menu item");
    rbMenuItem.setSelected(true);
    rbMenuItem.setMnemonic(KeyEvent.VK_R);
    group.add(rbMenuItem);
    rbMenuItem.addActionListener(this);
    menu.add(rbMenuItem);

    rbMenuItem = new JRadioButtonMenuItem("Another one");
    rbMenuItem.setMnemonic(KeyEvent.VK_O);
    group.add(rbMenuItem);
    rbMenuItem.addActionListener(this);
    menu.add(rbMenuItem);

    //a group of check box menu items
    menu.addSeparator();
    cbMenuItem = new JCheckBoxMenuItem("A check box menu item");
    cbMenuItem.setMnemonic(KeyEvent.VK_C);
    cbMenuItem.addItemListener(this);
    menu.add(cbMenuItem);

    cbMenuItem = new JCheckBoxMenuItem("Another one");
    cbMenuItem.setMnemonic(KeyEvent.VK_H);
    cbMenuItem.addItemListener(this);
    menu.add(cbMenuItem);

    //a submenu
    menu.addSeparator();
    submenu = new JMenu("A submenu");
    submenu.setMnemonic(KeyEvent.VK_S);

    menuItem = new JMenuItem("An item in the submenu");
    menuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_2, ActionEvent.ALT_MASK));
    menuItem.addActionListener(this);
    submenu.add(menuItem);

    menuItem = new JMenuItem("Another item");
    menuItem.addActionListener(this);
    submenu.add(menuItem);
    menu.add(submenu);

    //Build second menu in the menu bar.
    menu = new JMenu("Another Menu");
    menu.setMnemonic(KeyEvent.VK_N);
    menu.getAccessibleContext().setAccessibleDescription("This menu does nothing");
    menuBar.add(menu);

    Timer timer = new Timer(ONE_SECOND, new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            MenuElement[] path = MenuSelectionManager.defaultManager().getSelectedPath();
            for (int i = 0; i < path.length; i++) {
                if (path[i].getComponent() instanceof javax.swing.JMenuItem) {
                    JMenuItem mi = (JMenuItem) path[i].getComponent();
                    if ("".equals(mi.getText())) {
                        output.append("ICON-ONLY MENU ITEM > ");
                    } else {
                        output.append(mi.getText() + " > ");
                    }
                }
            }
            if (path.length > 0)
                output.append(newline);
        }
    });
    timer.start();
    return menuBar;
}

From source file:MenuSelectionManagerDemo.java

public JMenuBar createMenuBar() {
    JMenuBar menuBar;//from ww w  .  ja  v a 2  s  .c o  m
    JMenu menu, submenu;
    JMenuItem menuItem;
    JRadioButtonMenuItem rbMenuItem;
    JCheckBoxMenuItem cbMenuItem;

    //Create the menu bar.
    menuBar = new JMenuBar();

    //Build the first menu.
    menu = new JMenu("A Menu");
    menu.setMnemonic(KeyEvent.VK_A);
    menu.getAccessibleContext().setAccessibleDescription("The only menu in this program that has menu items");
    menuBar.add(menu);

    //a group of JMenuItems
    menuItem = new JMenuItem("A text-only menu item", KeyEvent.VK_T);
    //menuItem.setMnemonic(KeyEvent.VK_T); //used constructor instead
    menuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_1, ActionEvent.ALT_MASK));
    menuItem.getAccessibleContext().setAccessibleDescription("This doesn't really do anything");
    menuItem.addActionListener(this);
    menu.add(menuItem);

    ImageIcon icon = createImageIcon("1.gif");
    menuItem = new JMenuItem("Both text and icon", icon);
    menuItem.setMnemonic(KeyEvent.VK_B);
    menuItem.addActionListener(this);
    menu.add(menuItem);

    menuItem = new JMenuItem(icon);
    menuItem.setMnemonic(KeyEvent.VK_D);
    menuItem.addActionListener(this);
    menu.add(menuItem);

    //a group of radio button menu items
    menu.addSeparator();
    ButtonGroup group = new ButtonGroup();

    rbMenuItem = new JRadioButtonMenuItem("A radio button menu item");
    rbMenuItem.setSelected(true);
    rbMenuItem.setMnemonic(KeyEvent.VK_R);
    group.add(rbMenuItem);
    rbMenuItem.addActionListener(this);
    menu.add(rbMenuItem);

    rbMenuItem = new JRadioButtonMenuItem("Another one");
    rbMenuItem.setMnemonic(KeyEvent.VK_O);
    group.add(rbMenuItem);
    rbMenuItem.addActionListener(this);
    menu.add(rbMenuItem);

    //a group of check box menu items
    menu.addSeparator();
    cbMenuItem = new JCheckBoxMenuItem("A check box menu item");
    cbMenuItem.setMnemonic(KeyEvent.VK_C);
    cbMenuItem.addItemListener(this);
    menu.add(cbMenuItem);

    cbMenuItem = new JCheckBoxMenuItem("Another one");
    cbMenuItem.setMnemonic(KeyEvent.VK_H);
    cbMenuItem.addItemListener(this);
    menu.add(cbMenuItem);

    //a submenu
    menu.addSeparator();
    submenu = new JMenu("A submenu");
    submenu.setMnemonic(KeyEvent.VK_S);

    menuItem = new JMenuItem("An item in the submenu");
    menuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_2, ActionEvent.ALT_MASK));
    menuItem.addActionListener(this);
    submenu.add(menuItem);

    menuItem = new JMenuItem("Another item");
    menuItem.addActionListener(this);
    submenu.add(menuItem);
    menu.add(submenu);

    //Build second menu in the menu bar.
    menu = new JMenu("Another Menu");
    menu.setMnemonic(KeyEvent.VK_N);
    menu.getAccessibleContext().setAccessibleDescription("This menu does nothing");
    menuBar.add(menu);

    Timer timer = new Timer(ONE_SECOND, new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            MenuElement[] path = MenuSelectionManager.defaultManager().getSelectedPath();
            for (int i = 0; i < path.length; i++) {
                if (path[i].getComponent() instanceof javax.swing.JMenuItem) {
                    JMenuItem mi = (JMenuItem) path[i].getComponent();
                    if ("".equals(mi.getText())) {
                        output.append("ICON-ONLY MENU ITEM > ");
                    } else {
                        output.append(mi.getText() + " > ");
                    }
                }
            }
            if (path.length > 0)
                output.append(newline);
        }
    });
    timer.start();
    return menuBar;
}