Class BasicMenuUI.ChangeHandler
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
| 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
| Constructor | Description |
|---|---|
ChangeHandler |
Constructs a new instance of ChangeHandler. |
Method Summary
| Modifier and Type | Method | Description |
|---|---|---|
void |
stateChanged |
Invoked when the target of the listener has changed its state. |
Methods declared in class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | Modifier and Type | Method | Description |
|---|---|---|
protected Object |
clone() |
Creates and returns a copy of this object. |
boolean |
equals |
Indicates whether some other object is "equal to" this one. |
protected void |
finalize() |
Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release. |
final Class |
getClass() |
Returns the runtime class of this Object. |
int |
hashCode() |
Returns a hash code value for this object. |
final void |
notify() |
Wakes up a single thread that is waiting on this object's monitor. |
final void |
notifyAll() |
Wakes up all threads that are waiting on this object's monitor. |
String |
toString() |
Returns a string representation of the object. |
final void |
wait() |
Causes the current thread to wait until it is awakened, typically by being notified or interrupted. |
final void |
wait |
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed. |
final void |
wait |
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed. |
Field Details
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 Details
ChangeHandler
public ChangeHandler(JMenu m, BasicMenuUI ui)
Constructs a new instance of
ChangeHandler.- Parameters:
-
m- an instance ofJMenu -
ui- an instance ofBasicMenuUI
Method Details
stateChanged
public void stateChanged(ChangeEvent e)
Description copied from interface:
ChangeListenerInvoked when the target of the listener has changed its state.
- Specified by:
-
stateChangedin interfaceChangeListener - Parameters:
-
e- a ChangeEvent object
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