001/* ---------------------------------------------------------------------------- 002 The Kiwi Toolkit - A Java Class Library 003 Copyright (C) 1998-2004 Mark A. Lindner 004 005 This library is free software; you can redistribute it and/or 006 modify it under the terms of the GNU General Public License as 007 published by the Free Software Foundation; either version 2 of the 008 License, or (at your option) any later version. 009 010 This library is distributed in the hope that it will be useful, 011 but WITHOUT ANY WARRANTY; without even the implied warranty of 012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 General Public License for more details. 014 015 You should have received a copy of the GNU General Public License 016 along with this library; if not, write to the Free Software 017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 018 02111-1307, USA. 019 020 The author may be contacted at: mark_a_lindner@yahoo.com 021 ---------------------------------------------------------------------------- 022 $Log: PropertyChangeSource.java,v $ 023 Revision 1.5 2004/05/05 22:16:57 markl 024 comment block updates 025 026 Revision 1.4 2003/01/19 09:34:09 markl 027 Javadoc & comment header updates. 028 029 Revision 1.3 2001/03/12 01:38:49 markl 030 Source code cleanup. 031 032 Revision 1.2 1999/01/10 03:29:53 markl 033 added GPL header & RCS tag 034 ---------------------------------------------------------------------------- 035*/ 036 037package kiwi.event; 038 039import java.beans.*; 040 041/** Interface that must be implemented by objects that are sources of 042 * <code>PropertyChangeEvent</code>s. 043 * 044 * @see java.beans.PropertyChangeEvent 045 * 046 * @author Mark Lindner 047 */ 048 049public interface PropertyChangeSource 050 { 051 052 /** Register a new property change listener. 053 * 054 * @param listener The <code>PropertyChangeListener</code> to be added to 055 * this object's list of listeners. 056 */ 057 058 public void addPropertyChangeListener(PropertyChangeListener listener); 059 060 /** Unregister a property change listener. 061 * 062 * @param listener The <code>PropertyChangeListener</code> to be removed 063 * from this object's list of listeners. 064 */ 065 066 public void removePropertyChangeListener(PropertyChangeListener listener); 067 } 068 069/* end of source file */