com.jgoodies.looks.common
Class PopupMenuLayout

java.lang.Object
  javax.swing.BoxLayout
      com.jgoodies.looks.common.PopupMenuLayout

All Implemented Interfaces:

java.awt.LayoutManager, java.awt.LayoutManager2, java.io.Serializable, javax.swing.plaf.UIResource

public final class PopupMenuLayout
extends javax.swing.BoxLayout
implements javax.swing.plaf.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: 1.4 $

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

Method Summary

void	invalidateLayout(java.awt.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(java.awt.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(java.awt.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 java.awt.LayoutManager2

Overrides:

invalidateLayout in class javax.swing.BoxLayout

Parameters:

target - the affected container