| /* ListDataEvent.java -- |
| Copyright (C) 2002, 2006, Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.event; |
| |
| import java.util.EventObject; |
| |
| /** |
| * An event that contains information about a modification to the content of |
| * a list. |
| * |
| * @author Andrew Selkirk |
| * @author Ronald Veldema |
| */ |
| public class ListDataEvent extends EventObject |
| { |
| private static final long serialVersionUID = 2510353260071004774L; |
| |
| /** An event type indicating that the list content has been modified. */ |
| public static final int CONTENTS_CHANGED = 0; |
| |
| /** An event type indicating that an interval has been added to the list. */ |
| public static final int INTERVAL_ADDED = 1; |
| |
| /** |
| * An event type indicating that an interval has been removed from the |
| * list. |
| */ |
| public static final int INTERVAL_REMOVED = 2; |
| |
| private int type; |
| private int index0; |
| private int index1; |
| |
| /** |
| * Creates a <code>ListDataEvent</code> object. |
| * |
| * @param source the source of the event (<code>null</code> not permitted). |
| * @param type the type of the event (should be one of |
| * {@link #CONTENTS_CHANGED}, {@link #INTERVAL_ADDED} or |
| * {@link #INTERVAL_REMOVED}, although this is not enforced). |
| * @param index0 the index for one end of the modified range of list |
| * elements. |
| * @param index1 the index for the other end of the modified range of list |
| * elements. |
| */ |
| public ListDataEvent(Object source, int type, int index0, int index1) |
| { |
| super(source); |
| this.type = type; |
| this.index0 = Math.min(index0, index1); |
| this.index1 = Math.max(index0, index1); |
| } |
| |
| /** |
| * Returns the index of the first item in the range of modified list items. |
| * |
| * @return The index of the first item in the range of modified list items. |
| */ |
| public int getIndex0() |
| { |
| return index0; |
| } |
| |
| /** |
| * Returns the index of the last item in the range of modified list items. |
| * |
| * @return The index of the last item in the range of modified list items. |
| */ |
| public int getIndex1() |
| { |
| return index1; |
| } |
| |
| /** |
| * Returns a code representing the type of this event, which is usually one |
| * of {@link #CONTENTS_CHANGED}, {@link #INTERVAL_ADDED} or |
| * {@link #INTERVAL_REMOVED}. |
| * |
| * @return The event type. |
| */ |
| public int getType() |
| { |
| return type; |
| } |
| |
| /** |
| * Returns a string representing the state of this event. |
| * |
| * @return A string. |
| */ |
| public String toString() |
| { |
| return getClass().getName() + "[type=" + type + ",index0=" + index0 |
| + ",index1=" + index1 + "]"; |
| } |
| } |