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: 1.8 $

See Also:

Serialized Form

Field Summary
- Fields inherited from class javax.swing.BoxLayout
  LINE_AXIS, PAGE_AXIS, X_AXIS, Y_AXIS

Constructor Summary

Constructors
Constructor Description

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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