MetalMenuBarUI (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Java™ Platform
Standard Ed. 6

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javax.swing.plaf.metal
Class MetalMenuBarUI

java.lang.Object
  javax.swing.plaf.ComponentUI
      javax.swing.plaf.MenuBarUI
          javax.swing.plaf.basic.BasicMenuBarUI
              javax.swing.plaf.metal.MetalMenuBarUI

public class MetalMenuBarUI
extends BasicMenuBarUI
extends BasicMenuBarUI

Metal implementation of MenuBarUI. This class is responsible for providing the metal look and feel for JMenuBars.

Since:: 1.5
See Also:: MenuBarUI

Field Summary

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

changeListener, containerListener, menuBar

Constructor Summary

MetalMenuBarUI()


Method Summary

static ComponentUI createUI(JComponent x)
          Creates the ComponentUI implementation for the passed in component.

void installUI(JComponent c)
          Configures the specified component appropriate for the metal look and feel.

void uninstallUI(JComponent c)
          Reverses configuration which was done on the specified component during installUI.

void update(Graphics g, JComponent c)
          If necessary paints the background of the component, then invokes paint.

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

createChangeListener, createContainerListener, getMaximumSize, getMinimumSize, installDefaults, installKeyboardActions, installListeners, uninstallDefaults, uninstallKeyboardActions, uninstallListeners

Methods inherited from class javax.swing.plaf.ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getPreferredSize, paint

Methods inherited from class java.lang.Object

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

Fields inherited from class javax.swing.plaf.basic.BasicMenuBarUI
`changeListener, containerListener, menuBar`

Constructor Summary
`MetalMenuBarUI()`

Method Summary
`static ComponentUI`	`createUI(JComponent x)` Creates the `ComponentUI` implementation for the passed in component.
`void`	`installUI(JComponent c)` Configures the specified component appropriate for the metal look and feel.
`void`	`uninstallUI(JComponent c)` Reverses configuration which was done on the specified component during `installUI`.
`void`	`update(Graphics g, JComponent c)` If necessary paints the background of the component, then invokes `paint`.

Methods inherited from class javax.swing.plaf.basic.BasicMenuBarUI
`createChangeListener, createContainerListener, getMaximumSize, getMinimumSize, installDefaults, installKeyboardActions, installListeners, uninstallDefaults, uninstallKeyboardActions, uninstallListeners`

Methods inherited from class javax.swing.plaf.ComponentUI
`contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getPreferredSize, paint`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

MetalMenuBarUI

public MetalMenuBarUI()

Method Detail

createUI

public static ComponentUI createUI(JComponent x)

Creates the ComponentUI implementation for the passed in component.

Parameters:: x - JComponent to create the ComponentUI implementation for
Returns:: ComponentUI implementation for x
Throws:: NullPointerException - if x is null

installUI

public void installUI(JComponent c)

Configures the specified component appropriate for the metal look and feel.

Overrides:: installUI in class BasicMenuBarUI

Parameters:: c - the component where this UI delegate is being installed
Throws:: NullPointerException - if c is null.
See Also:: ComponentUI.uninstallUI(javax.swing.JComponent), JComponent.setUI(javax.swing.plaf.ComponentUI), JComponent.updateUI()

uninstallUI

public void uninstallUI(JComponent c)

Reverses configuration which was done on the specified component during installUI.

Overrides:: uninstallUI in class BasicMenuBarUI

Parameters:: c - the component where this UI delegate is being installed
Throws:: NullPointerException - if c is null.
See Also:: ComponentUI.installUI(javax.swing.JComponent), JComponent.updateUI()

update

public void update(Graphics g,
                   JComponent c)

If necessary paints the background of the component, then invokes paint.

Overrides:: update in class ComponentUI

Parameters:: g - Graphics to paint to; c - JComponent painting on
Throws:: NullPointerException - if g or c is null
Since:: 1.5
See Also:: ComponentUI.update(java.awt.Graphics, javax.swing.JComponent), ComponentUI.paint(java.awt.Graphics, javax.swing.JComponent)