001 package sale.events;
002
003 import util.*;
004
005 /**
006 * Convenience adapter for the FormSheetListener interface. All the methods in the interface are
007 * implemented, but they are implemented with empty method bodies. So you can create subclasses where
008 * you only override the methods in which you are interested.
009 *
010 * @author Steffen Zschaler
011 * @version 2.0 27/05/1999
012 * @since v2.0
013 */
014 public abstract class FormSheetAdapter implements FormSheetListener, SerializableListener {
015
016 /**
017 * Event triggered whenever a new FormSheet was set on the Display.
018 *
019 * @param e the event object.
020 *
021 * @override Sometimes
022 */
023 public void formSheetSet(FormSheetEvent e) {}
024
025 /**
026 * Event triggered whenever a FormSheet was removed from the Display.
027 *
028 * @param e the event object.
029 *
030 * @override Sometimes
031 */
032 public void formSheetRemoved(FormSheetEvent e) {}
033 }