/**
* 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);
}
}
/**
* Removes a PropertyChangeListener for a named property from this instance.
*
* @param name The name of the property.
* @param listener The PropertyChangeListener to be removed.
*/
public void removePropertyChangeListener(String name, PropertyChangeListener listener) {
if (propertyListeners != null) {
propertyListeners.removePropertyChangeListener(name, listener);
}
}
/**
* Fires a PropertyChangeEvent.
*
* @param event The PropertyChangeEvent.
*/
protected void firePropertyChange(PropertyChangeEvent event) {
if (propertyListeners != null) {
propertyListeners.firePropertyChange(event);
}
}
/**
* Removes a PropertyChangeListener from this instance.
*
* @param listener The PropertyChangeListener to be removed.
*/
public void removePropertyChangeListener(PropertyChangeListener listener) {
if (propertyListeners != null) {
propertyListeners.removePropertyChangeListener(listener);
}
}