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Java > Open Source Codes > org > lucane > applications > forum > gui > ForumSelectionListener


1 /*
2  * Lucane - a collaborative platform
3  * Copyright (C) 2004 Vincent Fiack <vfiack@mail15.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 package org.lucane.applications.forum.gui;
20
21 import java.util.ArrayList JavaDoc;
22
23 import javax.swing.event.ListSelectionEvent JavaDoc;
24 import javax.swing.event.ListSelectionListener JavaDoc;
25
26 import org.lucane.applications.forum.ForumPlugin;
27 import org.lucane.applications.forum.model.ForumInfo;
28 import org.lucane.client.widgets.DialogBox;
29
30 public class ForumSelectionListener implements ListSelectionListener JavaDoc
31 {
32     private MainWindow ui;
33     private ForumPlugin plugin;
34     private ForumInfo lastSelection = null;
35     
36     public ForumSelectionListener(ForumPlugin plugin, MainWindow ui)
37     {
38         this.plugin = plugin;
39         this.ui = ui;
40     }
41     
42     public void valueChanged(ListSelectionEvent JavaDoc lse)
43     {
44         ForumInfo forum = ui.getForumList().getSelectedForum();
45         if(forum.equals(lastSelection))
46             return;
47         
48         lastSelection = forum;
49         ui.refreshButtons(forum);
50
51         if(forum != null)
52         {
53             try {
54                 ArrayList JavaDoc messages = plugin.getMessageList(forum);
55                 ui.getMessages().setCellRenderer(new MessageRenderer(plugin, forum.getName()));
56                 ui.updateMessages(messages);
57                 plugin.updateLastRefreshTime(forum.getName());
58             } catch (Exception JavaDoc e) {
59                 DialogBox.error(plugin.tr("err.unableToGetMessages") + e);
60                 e.printStackTrace();
61             }
62         }
63     }
64 }
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