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## com.jgoodies.looks.common
Class PopupMenuLayout

    java.lang.Object
      javax.swing.BoxLayout
          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

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