| /* ListSelectionEvent.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; |
| |
| import javax.swing.ListSelectionModel; |
| |
| /** |
| * An event that indicates a change to a list selection, including the source |
| * of the change (a {@link ListSelectionModel}) and the range of items in the |
| * list that have potentially changed their selection status. |
| * |
| * @author Andrew Selkirk |
| * @author Ronald Veldema |
| */ |
| public class ListSelectionEvent extends EventObject |
| { |
| |
| /** |
| * The index of the first list item in the range of items that has |
| * potentially had its selection status modified. |
| */ |
| private int firstIndex = 0; |
| |
| /** |
| * The index of the last list item in the range of items that has |
| * potentially had its selection status modified. |
| */ |
| private int lastIndex = 0; |
| |
| /** A flag that indicates that this event is one in a series of events. */ |
| private boolean isAdjusting = false; |
| |
| /** |
| * Creates a new <code>ListSelectionEvent</code>. |
| * |
| * @param source the event source (<code>null</code> not permitted). |
| * @param firstIndex the first index. |
| * @param lastIndex the last index. |
| * @param isAdjusting a flag indicating that this event is one in a series |
| * of events updating a selection. |
| * |
| * @throws IllegalArgumentException if <code>source</code> is |
| * <code>null</code>. |
| */ |
| public ListSelectionEvent(Object source, int firstIndex, |
| int lastIndex, boolean isAdjusting) |
| { |
| super(source); |
| this.firstIndex = firstIndex; |
| this.lastIndex = lastIndex; |
| this.isAdjusting = isAdjusting; |
| } |
| |
| /** |
| * Returns the first index. |
| * |
| * @return The first index. |
| */ |
| public int getFirstIndex() |
| { |
| return firstIndex; |
| } |
| |
| /** |
| * Returns the last index. |
| * |
| * @return The last index. |
| */ |
| public int getLastIndex() |
| { |
| return lastIndex; |
| } |
| |
| /** |
| * Returns the flag that indicates that this event is one in a series of |
| * events updating a selection. |
| * |
| * @return A boolean. |
| */ |
| public boolean getValueIsAdjusting() |
| { |
| return isAdjusting; |
| } |
| |
| /** |
| * Returns a string representation of the event, typically used for debugging |
| * purposes. |
| * |
| * @return A string representation of the event. |
| */ |
| public String toString() |
| { |
| return this.getClass().toString() + "[ source=" + source.toString() |
| + " firstIndex= " + firstIndex + " lastIndex= " + lastIndex |
| + " isAdjusting= " + isAdjusting + " ]"; |
| } |
| |
| } |