001 /* ListDataListener.java -- 002 Copyright (C) 2002, 2005 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 package javax.swing.event; 039 040 import java.util.EventListener; 041 042 import javax.swing.ListModel; 043 044 /** 045 * A <code>ListDataListener</code> can register with a {@link ListModel} and 046 * receive notification of updates to the model. 047 * 048 * @author Andrew Selkirk 049 * @author Ronald Veldema 050 */ 051 public interface ListDataListener extends EventListener 052 { 053 054 /** 055 * Notifies the listener that the contents of the list have changed 056 * in some way. This method will be called if the change cannot be 057 * notified via the {@link #intervalAdded(ListDataEvent)} or the 058 * {@link #intervalRemoved(ListDataEvent)} methods. 059 * 060 * @param event the event. 061 */ 062 void contentsChanged(ListDataEvent event); 063 064 /** 065 * Notifies the listener that one or more items have been added to the 066 * list. The <code>event</code> argument can supply the indices for the 067 * range of items added. 068 * 069 * @param event the event. 070 */ 071 void intervalAdded(ListDataEvent event); 072 073 /** 074 * Notifies the listener that one or more items have been removed from 075 * the list. The <code>event</code> argument can supply the indices for 076 * the range of items removed. 077 * 078 * @param event the event. 079 */ 080 void intervalRemoved(ListDataEvent event); 081 082 }