001/* ListDataListener.java -- 002 Copyright (C) 2002, 2005 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038package javax.swing.event; 039 040import java.util.EventListener; 041 042import 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 */ 051public 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}