protected void fireViewDestroyingEvent(DrawingView view) {
final Object[] listeners = listenerList.getListenerList();
ViewChangeListener vsl = null;
for (int i = listeners.length - 2; i >= 0; i -= 2) {
if (listeners[i] == ViewChangeListener.class) {
vsl = (ViewChangeListener) listeners[i + 1];
vsl.viewDestroying(view);
}
}
}
