Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class BasicMenuItemUI - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
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javax.swing.plaf.basic
Class BasicMenuItemUI

java.lang.Object
  |
  +--javax.swing.plaf.ComponentUI
        |
        +--javax.swing.plaf.ButtonUI
              |
              +--javax.swing.plaf.MenuItemUI
                    |
                    +--javax.swing.plaf.basic.BasicMenuItemUI

Direct Known Subclasses:: BasicCheckBoxMenuItemUI, BasicMenuUI, BasicRadioButtonMenuItemUI

public class BasicMenuItemUI
extends MenuItemUI

BasicMenuItem implementation

Inner Class Summary

protected class BasicMenuItemUI.MouseInputHandler


Field Summary

protected Font acceleratorFont


protected Color acceleratorForeground


protected Color acceleratorSelectionForeground


protected Icon arrowIcon


protected Icon checkIcon


protected int defaultTextIconGap


protected Color disabledForeground


protected MenuDragMouseListener menuDragMouseListener


protected JMenuItem menuItem


protected MenuKeyListener menuKeyListener


protected MouseInputListener mouseInputListener


protected boolean oldBorderPainted


protected Color selectionBackground


protected Color selectionForeground


Constructor Summary

BasicMenuItemUI()


Method Summary

protected MenuDragMouseListener createMenuDragMouseListener(JComponent c)


protected MenuKeyListener createMenuKeyListener(JComponent c)


protected MouseInputListener createMouseInputListener(JComponent c)


static ComponentUI createUI(JComponent c)


Dimension getMaximumSize(JComponent c)


Dimension getMinimumSize(JComponent c)


MenuElement[] getPath()


protected Dimension getPreferredMenuItemSize(JComponent c, Icon checkIcon, Icon arrowIcon, int defaultTextIconGap)


Dimension getPreferredSize(JComponent c)


protected String getPropertyPrefix()


protected void installDefaults()


protected void installKeyboardActions()


protected void installListeners()


void installUI(JComponent c)


void paint(Graphics g, JComponent c)


protected void paintMenuItem(Graphics g, JComponent c, Icon checkIcon, Icon arrowIcon, Color background, Color foreground, int defaultTextIconGap)


protected void uninstallDefaults()


protected void uninstallKeyboardActions()


protected void uninstallListeners()


void uninstallUI(JComponent c)


void update(Graphics g, JComponent c)
          We draw the background in paintMenuItem() so override update (which fills the background of opaque components by default) to just call paint().

Methods inherited from class javax.swing.plaf.ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

menuItem

protected JMenuItem menuItem

selectionBackground

protected Color selectionBackground

selectionForeground

protected Color selectionForeground

disabledForeground

protected Color disabledForeground

acceleratorForeground

protected Color acceleratorForeground

acceleratorSelectionForeground

protected Color acceleratorSelectionForeground

defaultTextIconGap

protected int defaultTextIconGap

acceleratorFont

protected Font acceleratorFont

mouseInputListener

protected MouseInputListener mouseInputListener

menuDragMouseListener

protected MenuDragMouseListener menuDragMouseListener

menuKeyListener

protected MenuKeyListener menuKeyListener

arrowIcon

protected Icon arrowIcon

checkIcon

protected Icon checkIcon

oldBorderPainted

protected boolean oldBorderPainted

Constructor Detail

BasicMenuItemUI

public BasicMenuItemUI()

Method Detail

createUI

public static ComponentUI createUI(JComponent c)

installUI

public void installUI(JComponent c)

Overrides:: installUI in class ComponentUI

installDefaults

protected void installDefaults()

getPropertyPrefix

protected String getPropertyPrefix()

installListeners

protected void installListeners()

installKeyboardActions

protected void installKeyboardActions()

uninstallUI

public void uninstallUI(JComponent c)

Overrides:: uninstallUI in class ComponentUI

uninstallDefaults

protected void uninstallDefaults()

uninstallListeners

protected void uninstallListeners()

uninstallKeyboardActions

protected void uninstallKeyboardActions()

createMouseInputListener

protected MouseInputListener createMouseInputListener(JComponent c)

createMenuDragMouseListener

protected MenuDragMouseListener createMenuDragMouseListener(JComponent c)

createMenuKeyListener

protected MenuKeyListener createMenuKeyListener(JComponent c)

getMinimumSize

public Dimension getMinimumSize(JComponent c)

Overrides:: getMinimumSize in class ComponentUI

getPreferredSize

public Dimension getPreferredSize(JComponent c)

Overrides:: getPreferredSize in class ComponentUI

getMaximumSize

public Dimension getMaximumSize(JComponent c)

Overrides:: getMaximumSize in class ComponentUI

getPreferredMenuItemSize

protected Dimension getPreferredMenuItemSize(JComponent c,
                                             Icon checkIcon,
                                             Icon arrowIcon,
                                             int defaultTextIconGap)

update

public void update(Graphics g,
                   JComponent c)

We draw the background in paintMenuItem() so override update (which fills the background of opaque components by default) to just call paint().

Overrides:: update in class ComponentUI

paint

public void paint(Graphics g,
                  JComponent c)

Overrides:: paint in class ComponentUI

paintMenuItem

protected void paintMenuItem(Graphics g,
                             JComponent c,
                             Icon checkIcon,
                             Icon arrowIcon,
                             Color background,
                             Color foreground,
                             int defaultTextIconGap)

getPath

public MenuElement[] getPath()