uk.org.toot.misc
Class ChangeSupport

java.lang.Object
  extended by uk.org.toot.misc.ChangeSupport
All Implemented Interfaces:
java.io.Serializable

public class ChangeSupport
extends java.lang.Object
implements java.io.Serializable

See Also:
Serialized Form

Constructor Summary
ChangeSupport(java.lang.Object source)
           
 
Method Summary
 void addChangeListener(javax.swing.event.ChangeListener listener)
          Add a ChangeListener to the listener list.
 void fireChange(javax.swing.event.ChangeEvent evt)
          Fire an existing ChangeEvent to any registered listeners.
 javax.swing.event.ChangeListener[] getChangeListeners()
          Returns an array of all the listeners that were added to the ChangeSupport object with addChangeListener().
 boolean hasListeners()
          Check if there are any listeners.
 void removeChangeListener(javax.swing.event.ChangeListener listener)
          Remove a ChangeListener from the listener list.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ChangeSupport

public ChangeSupport(java.lang.Object source)
Method Detail

addChangeListener

public void addChangeListener(javax.swing.event.ChangeListener listener)
Add a ChangeListener to the listener list.

Parameters:
listener - The ChangeListener to be added

removeChangeListener

public void removeChangeListener(javax.swing.event.ChangeListener listener)
Remove a ChangeListener from the listener list.

Parameters:
listener - The ChangeListener to be removed

getChangeListeners

public javax.swing.event.ChangeListener[] getChangeListeners()
Returns an array of all the listeners that were added to the ChangeSupport object with addChangeListener().

Returns:
all of the ChangeListeners added or an empty array if no listeners have been added
Since:
1.4

fireChange

public void fireChange(javax.swing.event.ChangeEvent evt)
Fire an existing ChangeEvent to any registered listeners.

Parameters:
evt - The ChangeEvent object.

hasListeners

public boolean hasListeners()
Check if there are any listeners.

Returns:
true if there are ore or more listeners


Copyright © 2004, 2005, 2006, 2007 Steve Taylor. All Rights Reserved.