javax.swing.plaf.basic

Class BasicPopupMenuUI

public class BasicPopupMenuUI extends PopupMenuUI

UI Delegate for JPopupMenu

Field Summary
protected JPopupMenu	popupMenu

Constructor Summary
	BasicPopupMenuUI() Creates a new BasicPopupMenuUI object.

Method Summary
static ComponentUI	createUI(JComponent x) Factory method to create a BasicPopupMenuUI for the given {@link JComponent}, which should be a {@link JMenuItem}.
Dimension	getMaximumSize(JComponent c) This method returns the minimum size of the JPopupMenu.
Dimension	getMinimumSize(JComponent c) This method returns the minimum size of the JPopupMenu.
Dimension	getPreferredSize(JComponent c) This method returns the preferred size of the JPopupMenu.
void	installDefaults() This method installs the defaults that are defined in the Basic look and feel for this {@link JPopupMenu}.
protected void	installKeyboardActions() This method installs the keyboard actions for this {@link JPopupMenu}.
protected void	installListeners() This method installs the listeners for the {@link JMenuItem}.
void	installUI(JComponent c) Installs and initializes all fields for this UI delegate.
boolean	isPopupTrigger(MouseEvent e) Return true if given mouse event is a platform popup trigger, and false otherwise
protected void	uninstallDefaults() This method uninstalls the defaults and sets any objects created during install to null
protected void	uninstallKeyboardActions() Uninstalls any keyboard actions.
protected void	uninstallListeners() Unregisters all the listeners that this UI delegate was using.
void	uninstallUI(JComponent c) Performs the opposite of installUI.

Constructor Detail

BasicPopupMenuUI

public BasicPopupMenuUI()

Creates a new BasicPopupMenuUI object.

Method Detail

createUI

public static ComponentUI createUI(JComponent x)

Factory method to create a BasicPopupMenuUI for the given {@link JComponent}, which should be a {@link JMenuItem}.

Parameters: x The {@link JComponent} a UI is being created for.

Returns: A BasicPopupMenuUI for the {@link JComponent}.

getMaximumSize

public Dimension getMaximumSize(JComponent c)

This method returns the minimum size of the JPopupMenu.

Parameters: c The JComponent to find a size for.

Returns: The minimum size.

getMinimumSize

public Dimension getMinimumSize(JComponent c)

This method returns the minimum size of the JPopupMenu.

Parameters: c The JComponent to find a size for.

Returns: The minimum size.

getPreferredSize

public Dimension getPreferredSize(JComponent c)

This method returns the preferred size of the JPopupMenu.

Parameters: c The JComponent to find a size for.

Returns: The preferred size.

installDefaults

public void installDefaults()

This method installs the defaults that are defined in the Basic look and feel for this {@link JPopupMenu}.

installKeyboardActions

protected void installKeyboardActions()

This method installs the keyboard actions for this {@link JPopupMenu}.

installListeners

protected void installListeners()

This method installs the listeners for the {@link JMenuItem}.

installUI

public void installUI(JComponent c)

Installs and initializes all fields for this UI delegate. Any properties of the UI that need to be initialized and/or set to defaults will be done now. It will also install any listeners necessary.

Parameters: c The {@link JComponent} that is having this UI installed.

isPopupTrigger

public boolean isPopupTrigger(MouseEvent e)

Return true if given mouse event is a platform popup trigger, and false otherwise

Parameters: e MouseEvent that is to be checked for popup trigger event

Returns: true if given mouse event is a platform popup trigger, and false otherwise

uninstallDefaults

protected void uninstallDefaults()

This method uninstalls the defaults and sets any objects created during install to null

uninstallKeyboardActions

protected void uninstallKeyboardActions()

Uninstalls any keyboard actions.

uninstallListeners

protected void uninstallListeners()

Unregisters all the listeners that this UI delegate was using.

Performs the opposite of installUI. Any properties or resources that need to be cleaned up will be done now. It will also uninstall any listeners it has. In addition, any properties of this UI will be nulled.

Parameters: c The {@link JComponent} that is having this UI uninstalled.