/**
* Fires a PropertyChangeEvent.
*
* @param propertyName The name of the property.
* @param oldValue The old value of the property.
* @param newValue The new value of the property.
*/
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
if (propertyListeners != null) {
propertyListeners.firePropertyChange(propertyName, oldValue, newValue);
}
}
/**
* Fires a PropertyChangeEvent.
*
* @param event The PropertyChangeEvent.
*/
protected void firePropertyChange(PropertyChangeEvent event) {
if (propertyListeners != null) {
propertyListeners.firePropertyChange(event);
}
}