org.escot
Class ChangeSupport

java.lang.Object
  |
  +--org.escot.ChangeSupport

public class ChangeSupport

extends Object

A convenience class to support objects which generate ChangeEvents.

Field Summary

protected Vector

mListeners

Constructor Summary

ChangeSupport()

Method Summary

void	addChangeListener(ChangeListener lis) Registers a listener to receive ChangeEvents.
void	fireChangeEvent(Object source) Notifies the listeners that a change has occurred.
void	fireChangeEvent(Object source, ChangeEvent ev) Notifies the listeners that a change has occurred, providing the ChangeEvent to distribute.
void	removeChangeListener(ChangeListener lis) Unregisters a listener receiving ChangeEvents.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mListeners

protected Vector mListeners

Constructor Detail

ChangeSupport

public ChangeSupport()

Method Detail

addChangeListener

public void addChangeListener(ChangeListener lis)

Registers a listener to receive ChangeEvents.

removeChangeListener

public void removeChangeListener(ChangeListener lis)

Unregisters a listener receiving ChangeEvents.

fireChangeEvent

public void fireChangeEvent(Object source,
                            ChangeEvent ev)

Notifies the listeners that a change has occurred, providing the ChangeEvent to distribute.

Parameters:

source - the source of the ChangeEvent.

ev - the event

fireChangeEvent

public void fireChangeEvent(Object source)

Notifies the listeners that a change has occurred.

Parameters:

source - the source of the ChangeEvent.