com.jgoodies.looks.common
Class PopupMenuLayout

java.lang.Object
  extended by javax.swing.BoxLayout
      extended by com.jgoodies.looks.common.PopupMenuLayout
All Implemented Interfaces:
LayoutManager, LayoutManager2, Serializable, UIResource

public final class PopupMenuLayout
extends BoxLayout
implements UIResource

The JGoodies implementation of a layout manager for Popup menus. In comparison to the JDK's implementation it flushes the values of the client properties maxTextWidth and maxAccWidth in the method invalidateLayout(Container) and not in the method BoxLayout.preferredLayoutSize(Container).

Version:
$Revision: 1.2 $
Author:
Andrej Golovnin
See Also:
Serialized Form

Field Summary
 
Fields inherited from class javax.swing.BoxLayout
LINE_AXIS, PAGE_AXIS, X_AXIS, Y_AXIS
 
Constructor Summary
PopupMenuLayout(Container target, int axis)
          Creates a layout manager that will lay out components along the given axis.
 
Method Summary
 void invalidateLayout(Container target)
          Indicates that a child has changed its layout related information, and thus any cached calculations should be flushed.
 
Methods inherited from class javax.swing.BoxLayout
addLayoutComponent, addLayoutComponent, getAxis, getLayoutAlignmentX, getLayoutAlignmentY, getTarget, layoutContainer, maximumLayoutSize, minimumLayoutSize, preferredLayoutSize, removeLayoutComponent
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PopupMenuLayout

public PopupMenuLayout(Container target,
                       int axis)
Creates a layout manager that will lay out components along the given axis.

Parameters:
target - the container that needs to be laid out
axis - the axis to lay out components along
Method Detail

invalidateLayout

public void invalidateLayout(Container target)
Indicates that a child has changed its layout related information, and thus any cached calculations should be flushed.

In case the target is an instance of JPopupMenu it flushes the values of the client properties maxTextWidth and maxAccWidth.

Specified by:
invalidateLayout in interface LayoutManager2
Overrides:
invalidateLayout in class BoxLayout
Parameters:
target - the affected container


Copyright © 2001-2007 JGoodies Karsten Lentzsch. All Rights Reserved.