javax.swing.plaf.basic

Class BasicMenuUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.ButtonUI

javax.swing.plaf.MenuItemUI

javax.swing.plaf.basic.BasicMenuItemUI

javax.swing.plaf.basic.BasicMenuUI

已知直接子类：

SynthMenuUI

public class BasicMenuUI
extends BasicMenuItemUI

默认的L和F实现menuui。此实现是一个“组合”视图/控制器。

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	BasicMenuUI.ChangeHandler 作为java 2平台1.4，这个以前无证类现在已经过时了。
protected class	BasicMenuUI.MouseInputHandler 实例化并通过菜单项用来从鼠标事件处理当前菜单选择。

Field Summary

Fields

Modifier and Type	Field and Description
protected ChangeListener	changeListener
protected MenuListener	menuListener

Fields inherited from class javax.swing.plaf.basic.BasicMenuItemUI

acceleratorDelimiter, acceleratorFont, acceleratorForeground, acceleratorSelectionForeground, arrowIcon, checkIcon, defaultTextIconGap, disabledForeground, menuDragMouseListener, menuItem, menuKeyListener, mouseInputListener, oldBorderPainted, propertyChangeListener, selectionBackground, selectionForeground

构造方法摘要

构造方法

Constructor and Description
BasicMenuUI()

方法摘要

Modifier and Type	Method and Description
protected ChangeListener	createChangeListener(JComponent c)
protected MenuDragMouseListener	createMenuDragMouseListener(JComponent c)
protected MenuKeyListener	createMenuKeyListener(JComponent c)
protected MenuListener	createMenuListener(JComponent c)
protected MouseInputListener	createMouseInputListener(JComponent c)
protected PropertyChangeListener	createPropertyChangeListener(JComponent c) 创建一个 PropertyChangeListener将被添加到菜单项。
static ComponentUI	createUI(JComponent x)
Dimension	getMaximumSize(JComponent c) 返回指定组件的最大大小适合的外观和感觉。
protected String	getPropertyPrefix()
protected void	installDefaults()
protected void	installKeyboardActions()
protected void	installListeners()
protected void	setupPostTimer(JMenu menu)
protected void	uninstallDefaults()
protected void	uninstallKeyboardActions()
protected void	uninstallListeners()

Methods inherited from class javax.swing.plaf.basic.BasicMenuItemUI

doClick, getMinimumSize, getPath, getPreferredMenuItemSize, getPreferredSize, installComponents, installUI, paint, paintBackground, paintMenuItem, paintText, uninstallComponents, uninstallUI, update

Methods inherited from class javax.swing.plaf.ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior

Methods inherited from class java.lang.Object

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

Field Detail

changeListener

protected ChangeListener changeListener

menuListener

protected MenuListener menuListener

Constructor Detail

BasicMenuUI

public BasicMenuUI()

方法详细信息

createUI

public static ComponentUI createUI(JComponent x)

installDefaults

protected void installDefaults()

重写：

installDefaults 方法重写，继承类 BasicMenuItemUI

getPropertyPrefix

protected String getPropertyPrefix()

重写：

getPropertyPrefix 方法重写，继承类 BasicMenuItemUI

installListeners

protected void installListeners()

重写：

installListeners 方法重写，继承类 BasicMenuItemUI

installKeyboardActions

protected void installKeyboardActions()

重写：

installKeyboardActions 方法重写，继承类 BasicMenuItemUI

uninstallKeyboardActions

protected void uninstallKeyboardActions()

重写：

uninstallKeyboardActions 方法重写，继承类 BasicMenuItemUI

createMouseInputListener

protected MouseInputListener createMouseInputListener(JComponent c)

重写：

createMouseInputListener 方法重写，继承类 BasicMenuItemUI

createMenuListener

protected MenuListener createMenuListener(JComponent c)

createChangeListener

protected ChangeListener createChangeListener(JComponent c)

createPropertyChangeListener

protected PropertyChangeListener createPropertyChangeListener(JComponent c)

从阶级复制的描述： BasicMenuItemUI

创建一个 PropertyChangeListener将被添加到菜单项。如果此方法返回的空值，则不会添加到菜单项中。

重写：

createPropertyChangeListener 方法重写，继承类 BasicMenuItemUI

结果

一个 PropertyChangeListener或空的实例

uninstallDefaults

protected void uninstallDefaults()

重写：

uninstallDefaults 方法重写，继承类 BasicMenuItemUI

uninstallListeners

protected void uninstallListeners()

重写：

uninstallListeners 方法重写，继承类 BasicMenuItemUI

createMenuDragMouseListener

protected MenuDragMouseListener createMenuDragMouseListener(JComponent c)

重写：

createMenuDragMouseListener 方法重写，继承类 BasicMenuItemUI

createMenuKeyListener

protected MenuKeyListener createMenuKeyListener(JComponent c)

重写：

createMenuKeyListener 方法重写，继承类 BasicMenuItemUI

getMaximumSize

public Dimension getMaximumSize(JComponent c)

从阶级复制的描述： ComponentUI

返回指定组件的最大大小适合的外观和感觉。如果 null返回，最大规模将由组件的布局管理器的计算（这是与一个特定的布局管理器安装任何组件的首选方法）。此方法的默认实现调用 getPreferredSize和返回值。

重写：

getMaximumSize 方法重写，继承类 BasicMenuItemUI

参数

c -其最大尺寸被查询的成分；这种说法常常被忽视，但可能如果UI对象是无状态的，共享由多个组件

结果

一个 Dimension对象或 null

另请参见：

JComponent.getMaximumSize()， LayoutManager2.maximumLayoutSize(java.awt.Container)

setupPostTimer

protected void setupPostTimer(JMenu menu)