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MetalSeparatorUI (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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javax.swing.plaf.metal
Class MetalSeparatorUI

java.lang.Object
  |
  +--javax.swing.plaf.ComponentUI
        |
        +--javax.swing.plaf.SeparatorUI
              |
              +--javax.swing.plaf.basic.BasicSeparatorUI
                    |
                    +--javax.swing.plaf.metal.MetalSeparatorUI

Direct Known Subclasses:

MetalPopupMenuSeparatorUI

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public class MetalSeparatorUI

extends BasicSeparatorUI

A Metal L&F implementation of SeparatorUI. This implementation is a "combined" view/controller.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans^TM has been added to the java.beans package. Please see XMLEncoder.

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Field Summary

 

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

highlight, shadow

 

Constructor Summary

MetalSeparatorUI()

 

Method Summary
static ComponentUI	createUI(JComponent c)           Returns an instance of the UI delegate for the specified component.
Dimension	getPreferredSize(JComponent c)           Returns the specified component's preferred size appropriate for the look and feel.
protected  void	installDefaults(JSeparator s)
void	paint(Graphics g, JComponent c)           Paints the specified component appropriate for the look and feel.

 

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

getMaximumSize, getMinimumSize, installListeners, installUI, uninstallDefaults, uninstallListeners, uninstallUI

 

Methods inherited from class javax.swing.plaf.ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, update

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

MetalSeparatorUI

public MetalSeparatorUI()

Method Detail

createUI

public static ComponentUI createUI(JComponent c)

Description copied from class: ComponentUI

Returns an instance of the UI delegate for the specified component. Each subclass must provide its own static createUI method that returns an instance of that UI delegate subclass. If the UI delegate subclass is stateless, it may return an instance that is shared by multiple components. If the UI delegate is stateful, then it should return a new instance per component. The default implementation of this method throws an error, as it should never be invoked.

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installDefaults

protected void installDefaults(JSeparator s)

Overrides:

installDefaults in class BasicSeparatorUI

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paint

public void paint(Graphics g,
                  JComponent c)

Description copied from class: ComponentUI

Paints the specified component appropriate for the look and feel. This method is invoked from the ComponentUI.update method when the specified component is being painted. Subclasses should override this method and use the specified Graphics object to render the content of the component.

Overrides:

paint in class BasicSeparatorUI

Parameters:

g - the Graphics context in which to paint

c - the component being painted; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components

See Also:

ComponentUI.update(java.awt.Graphics, javax.swing.JComponent)

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getPreferredSize

public Dimension getPreferredSize(JComponent c)

Description copied from class: ComponentUI

Returns the specified component's preferred size appropriate for the look and feel. If null is returned, the preferred size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method returns null.

Overrides:

getPreferredSize in class BasicSeparatorUI

Parameters:

c - the component whose preferred size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components

See Also:

JComponent.getPreferredSize(), LayoutManager.preferredLayoutSize(java.awt.Container)

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.