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Java > Open Source Codes > org > lucane > applications > whiteboard > listeners > NetworkSelectionListener


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.whiteboard.listeners;
20
21 import java.io.IOException JavaDoc;
22
23 import org.lucane.applications.whiteboard.GraphGui;
24 import org.lucane.applications.whiteboard.WhiteBoard;
25 import org.lucane.applications.whiteboard.net.BoardClient;
26 import org.lucane.applications.whiteboard.operations.*;
27 import org.lucane.client.Client;
28 import org.lucane.client.widgets.DialogBox;
29
30 import org.jgraph.event.*;
31
32 public class NetworkSelectionListener implements GraphSelectionListener
33 {
34     private WhiteBoard plugin;
35     private GraphGui gui;
36     private BoardClient client;
37
38     public NetworkSelectionListener(WhiteBoard plugin, GraphGui gui, BoardClient client)
39     {
40         this.plugin = plugin;
41         this.gui = gui;
42         this.client = client;
43     }
44     
45     public void valueChanged(GraphSelectionEvent gse)
46     {
47         //ensure we are the source
48
if(!plugin.getGraph().isEnabled())
49             return;
50
51         SelectionChange op = new SelectionChange();
52         op.init(gui.getGraph().getSelectionCells());
53         send(op);
54     }
55         
56     private void send(GraphOperation op)
57     {
58         try {
59             client.broadcastOperation(Client.getInstance().getMyInfos().getName(), op);
60         } catch(IOException JavaDoc ioe) {
61             DialogBox.error(plugin.tr("err.unableToBroadcastOperation" + ioe));
62             ioe.printStackTrace();
63         }
64     }
65 }
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