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


Java™ Platform
Standard Ed. 6

javax.swing.plaf.basic
Class DefaultMenuLayout

java.lang.Object
  extended by javax.swing.BoxLayout
      extended by javax.swing.plaf.basic.DefaultMenuLayout
All Implemented Interfaces:
LayoutManager, LayoutManager2, Serializable, UIResource

public class DefaultMenuLayout
extends BoxLayout
implements UIResource

The default layout manager for Popup menus and menubars. This class is an extension of BoxLayout which adds the UIResource tag so that plauggable L&Fs can distinguish it from user-installed layout managers on menus.


Field Summary
 
Fields inherited from class javax.swing.BoxLayout
LINE_AXIS, PAGE_AXIS, X_AXIS, Y_AXIS
 
Constructor Summary
DefaultMenuLayout(Container target, int axis)
           
 
Method Summary
 Dimension preferredLayoutSize(Container target)
          Returns the preferred dimensions for this layout, given the components in the specified target container.
 
Methods inherited from class javax.swing.BoxLayout
addLayoutComponent, addLayoutComponent, getAxis, getLayoutAlignmentX, getLayoutAlignmentY, getTarget, invalidateLayout, layoutContainer, maximumLayoutSize, minimumLayoutSize, removeLayoutComponent
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DefaultMenuLayout

public DefaultMenuLayout(Container target,
                         int axis)
Method Detail

preferredLayoutSize

public Dimension preferredLayoutSize(Container target)
Description copied from class: BoxLayout
Returns the preferred dimensions for this layout, given the components in the specified target container.

Specified by:
preferredLayoutSize in interface LayoutManager
Overrides:
preferredLayoutSize in class BoxLayout
Parameters:
target - the container that needs to be laid out
Returns:
the dimensions >= 0 && <= Integer.MAX_VALUE
See Also:
Container, BoxLayout.minimumLayoutSize(java.awt.Container), BoxLayout.maximumLayoutSize(java.awt.Container)

Java™ Platform
Standard Ed. 6

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

Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.