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java.lang.Objectedu.uci.ics.jung.visualization.util.DefaultChangeEventSupport
public class DefaultChangeEventSupport
Basic implementation of ChangeEventSupport, using standard jdk classes
| Field Summary | |
|---|---|
protected ChangeEvent |
changeEvent
Only one ChangeEvent is needed
instance since the
event's only state is the source property. |
protected EventListenerList |
listenerList
holds the registered listeners |
| Constructor Summary | |
|---|---|
DefaultChangeEventSupport(Object eventSource)
|
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| Method Summary | |
|---|---|
void |
addChangeListener(ChangeListener l)
|
void |
fireStateChanged()
Notifies all listeners that have registered interest for notification on this event type. |
ChangeListener[] |
getChangeListeners()
Returns an array of all the ChangeListeners added
with addChangeListener(). |
void |
removeChangeListener(ChangeListener l)
Removes a ChangeListener. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected EventListenerList listenerList
protected transient ChangeEvent changeEvent
ChangeEvent is needed
instance since the
event's only state is the source property. The source of events
generated is always "this".
| Constructor Detail |
|---|
public DefaultChangeEventSupport(Object eventSource)
| Method Detail |
|---|
public void addChangeListener(ChangeListener l)
addChangeListener in interface ChangeEventSupportpublic void removeChangeListener(ChangeListener l)
ChangeEventSupport
removeChangeListener in interface ChangeEventSupportl - the listener to be removedpublic ChangeListener[] getChangeListeners()
ChangeEventSupportChangeListeners added
with addChangeListener().
getChangeListeners in interface ChangeEventSupportChangeListeners added or an empty
array if no listeners have been addedpublic void fireStateChanged()
fireStateChanged in interface ChangeEventSupportEventListenerList
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