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javax.swing
Class MenuSelectionManager

java.lang.Object
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 +--javax.swing.MenuSelectionManager

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public class MenuSelectionManager

extends Object

Safe:

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instance

private static final MenuSelectionManager instance

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selection

private Vector selection

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TRACE

private static final boolean TRACE

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VERBOSE

private static final boolean VERBOSE

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DEBUG

private static final boolean DEBUG

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changeEvent

protected transient ChangeEvent changeEvent

Only one ChangeEvent is needed per button model instance since the event's only state is the source property. The source of events generated is always "this".

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listenerList

protected EventListenerList listenerList

MenuSelectionManager

public MenuSelectionManager()

Enabled:

defaultManager

public static MenuSelectionManager defaultManager()

Suppressed: Returns the default menu selection manager.

Returns:

a MenuSelectionManager object

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setSelectedPath

public void setSelectedPath(MenuElement[] path)

Enabled: Change the selection in the menu hierarchy.

Parameters:

path - an array of MenuElement objects specifying the selected path

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getSelectedPath

public MenuElement[] getSelectedPath()

Enabled: Returns the path to the currently selected menu item

Returns:

an array of MenuElement objects representing the selected path

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clearSelectedPath

public void clearSelectedPath()

Enabled: Tell the menu selection to close and unselect all the menu components. Call this method when a choice has been made

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addChangeListener

public void addChangeListener(ChangeListener l)

Enabled: Adds a ChangeListener to the button.

Parameters:

l - the listener to add

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removeChangeListener

public void removeChangeListener(ChangeListener l)

Enabled: Removes a ChangeListener from the button.

Parameters:

l - the listener to remove

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getChangeListeners

public ChangeListener[] getChangeListeners()

Suppressed: Returns an array of all the ChangeListeners added to this MenuSelectionManager with addChangeListener().

Returns:

all of the ChangeListeners added or an empty array if no listeners have been added

Since:

1.4

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fireStateChanged

protected void fireStateChanged()

Notifies all listeners that have registered interest for notification on this event type. The event instance is created lazily.

See Also:

EventListenerList

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processMouseEvent

public void processMouseEvent(MouseEvent event)

Suppressed: When a MenuElement receives an event from a MouseListener, it should never process the event directly. Instead all MenuElements should call this method with the event.

Parameters:

event - a MouseEvent object

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printMenuElementArray

private void printMenuElementArray(MenuElement[] path)

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printMenuElementArray

private void printMenuElementArray(MenuElement[] path,
 boolean dumpStack)

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componentForPoint

public Component componentForPoint(Component source,
 Point sourcePoint)

Enabled: Returns the component in the currently selected path which contains sourcePoint.

Parameters:

source - The component in whose coordinate space sourcePoint is given

sourcePoint - The point which is being tested

Returns:

The component in the currently selected path which contains sourcePoint (relative to the source component's coordinate space. If sourcePoint is not inside a component on the currently selected path, null is returned.

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processKeyEvent

public void processKeyEvent(KeyEvent e)

Suppressed: When a MenuElement receives an event from a KeyListener, it should never process the event directly. Instead all MenuElements should call this method with the event.

Parameters:

e - a KeyEvent object

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isComponentPartOfCurrentMenu

public boolean isComponentPartOfCurrentMenu(Component c)

Enabled: Return true if c is part of the currently used menu

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isComponentPartOfCurrentMenu

private boolean isComponentPartOfCurrentMenu(MenuElement root,
 Component c)

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