Example usage for javax.swing MenuSelectionManager getSelectedPath

Introduction

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

Prototype

public MenuElement[] getSelectedPath() 

Source Link

Document

Returns the path to the currently selected menu item

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) {
            }/*from  w  ww.  j a  va2  s  .  c  o m*/
        }
    });
}

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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) {
            }/*from w w  w.ja  va 2 s. co m*/
        }
    });

}

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From source file:ToggleSample.java

private MenuElement[] getPath() {
    MenuSelectionManager menuSelectionManager = MenuSelectionManager.defaultManager();
    MenuElement oldPath[] = menuSelectionManager.getSelectedPath();
    MenuElement newPath[];/*  ww w .j  a v a 2s  .  co m*/
    int oldPathLength = oldPath.length;
    if (oldPathLength == 0)
        return new MenuElement[0];
    Component parent = getParent();
    if (oldPath[oldPathLength - 1].getComponent() == parent) {
        // Going deeper under the parent menu
        newPath = new MenuElement[oldPathLength + 1];
        System.arraycopy(oldPath, 0, newPath, 0, oldPathLength);
        newPath[oldPathLength] = this;
    } else {
        // Sibling/child menu item currently selected
        int newPathPosition;
        for (newPathPosition = oldPath.length - 1; newPathPosition >= 0; newPathPosition--) {
            if (oldPath[newPathPosition].getComponent() == parent) {
                break;
            }
        }
        newPath = new MenuElement[newPathPosition + 2];
        System.arraycopy(oldPath, 0, newPath, 0, newPathPosition + 1);
        newPath[newPathPosition + 1] = this;
    }
    return newPath;
}

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From source file:JToggleButtonMenuItem.java

private void init() {
    updateUI();//from   w  w  w .j ava 2  s  . 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);
}

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From source file:ToggleSample.java

private void init() {
    updateUI();/* w w w . j  a v  a  2 s .  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, 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);
}

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