BasicMenuUI.ChangeHandler (Java SE 11 & JDK 11 )

java.lang.Object
- javax.swing.plaf.basic.BasicMenuUI.ChangeHandler

All Implemented Interfaces:

EventListener, ChangeListener

Enclosing class:

BasicMenuUI
```
public class BasicMenuUI.ChangeHandler
extends Object
implements ChangeListener
```
As of Java 2 platform 1.4, this previously undocumented class is now obsolete. KeyBindings are now managed by the popup menu.

Field Summary

Fields
Modifier and Type	Field	Description
`boolean`	`isSelected`	`true` if an item of popup menu is selected.
`JMenu`	`menu`	The instance of `JMenu`.
`BasicMenuUI`	`ui`	The instance of `BasicMenuUI`.
`Component`	`wasFocused`	The component that was focused.

Constructor Summary

Constructors
Constructor Description

ChangeHandler(JMenu m, BasicMenuUI ui)
Constructs a new instance of ChangeHandler.

Method Summary
- Methods declared in class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods declared in interface javax.swing.event.ChangeListener
  stateChanged

- Field Detail
  - menu
```
public JMenu menu
```
    The instance of JMenu.
  - ui
```
public BasicMenuUI ui
```
    The instance of BasicMenuUI.
  - isSelected
```
public boolean isSelected
```
    true if an item of popup menu is selected.
  - wasFocused
```
public Component wasFocused
```
    The component that was focused.
- Constructor Detail
  - ChangeHandler
```
public ChangeHandler(JMenu m,
                     BasicMenuUI ui)
```
    Constructs a new instance of ChangeHandler.
    
    Parameters:
    
    m - an instance of JMenu
    
    ui - an instance of BasicMenuUI