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1
19 package org.lucane.applications.whiteboard;
20
21 import java.io.IOException  ;
22
23 import org.jgraph.graph.DefaultGraphModel;
24 import org.jgraph.graph.GraphModel;
25 import org.lucane.applications.whiteboard.graph.MyGraph;
26 import org.lucane.applications.whiteboard.net.BoardClient;
27 import org.lucane.applications.whiteboard.net.BoardServer;
28 import org.lucane.client.Client;
29 import org.lucane.client.Communicator;
30 import org.lucane.client.Plugin;
31 import org.lucane.client.StandalonePlugin;
32 import org.lucane.client.widgets.DialogBox;
33 import org.lucane.common.*;
34 import org.lucane.common.net.ObjectConnection;
35
36 public class WhiteBoard extends StandalonePlugin
37 {
38 private ConnectInfo[] friends;
39 private ConnectInfo host;
40 private BoardClient client;
41 private GraphGui gui;
42 private int boardPort;
43 private boolean server;
44
45
46 public WhiteBoard()
47 {
48 }
50
51 public Plugin newInstance(ConnectInfo[] friends)
52 {
53 return new WhiteBoard(friends);
54 }
55
56 public WhiteBoard(ConnectInfo[] friends)
57 {
58 this.friends = friends;
59 }
60
61 public void load(ObjectConnection friend, ConnectInfo who, String data)
62 {
63 friend.close();
64 this.host = who;
65 this.client = new BoardClient(who.getHostName(), Integer.parseInt(data));
66 }
67
68 public void start()
69 {
70 this.server = true;
71
72 int boardPort = 0;
73 try {
74 boardPort = startServer();
75 } catch(IOException ioe) {
76 DialogBox.error(tr("err.unableToStartServer") + ioe);
77 return;
78 }
79 this.boardPort = boardPort;
80
81 ConnectInfo my = Client.getInstance().getMyInfos(true);
82 this.client = new BoardClient(my.getHostName(), boardPort);
83 startClient();
84
85 sendInvitations(friends);
86 }
87
88 public void follow()
89 {
90 this.server = false;
91
92 String msg = tr("msg.joinBoardSession").replaceAll("%1", host.getName());
93 if(DialogBox.question(getTitle(), msg))
94 startClient();
95 }
96
97 public boolean isServer()
98 {
99 return this.server;
100 }
101
102 private int startServer()
103 throws IOException
104 {
105 BoardServer server = new BoardServer(this);
106 server.listen();
107
108 Logging.getLogger().fine("board server started");
109 return server.getPort();
110 }
111
112 private void startClient()
113 {
114 gui = new GraphGui(this, client);
115 this.client.setGui(gui);
116
117 try {
118 this.client.start();
119 this.client.joinBoard(Client.getInstance().getMyInfos().getName());
120 Logging.getLogger().fine("board client started");
121
122 gui.showWindow(this, getTitle());
123 } catch (Exception e) {
124 DialogBox.error(tr("err.unableToStartClient") + e);
125 }
126 }
127
128 public void sendInvitations(ConnectInfo[] friends)
129 {
130 for(int i=0;i<friends.length;i++)
131 Communicator.getInstance().sendMessageTo(friends[i], getName(), String.valueOf(boardPort));
132 }
133
134 public BoardClient getClient()
135 {
136 return this.client;
137 }
138
139 public MyGraph getGraph()
140 {
141 return this.gui.getGraph();
142 }
143
144 public DefaultGraphModel getGraphModel()
145 {
146 return this.gui.getModel();
147 }
148
149 public void setGraphModel(GraphModel model)
150 {
151
152 try {
153 this.gui.setModel(model);
154 this.client.broadcastModel(Client.getInstance().getMyInfos().getName(), this.gui.getModel());
155 } catch(IOException ioe) {
156 DialogBox.error(tr("err.unableToBroadcastOperation") + ioe);
157 }
158 }
159 }
160 |
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