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1
3 package org.jgroups.demos.wb;
4
5 import java.awt.*;
6 import java.awt.event.ActionEvent  ;
7 import java.awt.event.ActionListener ;
8 import org.jgroups.blocks.*;
9
10
11
12 public class SendDialog extends Dialog implements ActionListener {
13 private final TextArea msg=new TextArea("");
14 private final Font default_font=new Font("Helvetica",Font.PLAIN,12);
15 private RpcDispatcher disp=null;
16 private String groupname=null;
17 private Node dest=null;
18 private String sender=null;
19
20
21
22 public SendDialog(Frame parent, Node dest, String src, RpcDispatcher disp, String groupname) {
23 super(parent, "Send message to " + dest.lbl + " at " + dest.addr, true);
24
25 Panel p1=new Panel(), p2=new Panel();
26 Button send=new Button("Send"), send_all=new Button("Send to all");
27 Button cancel=new Button("Cancel");
28
29 this.disp=disp;
30 this.groupname=groupname;
31 this.dest=dest;
32 sender=src;
33
34 send.setFont(default_font);
35 send_all.setFont(default_font);
36 cancel.setFont(default_font);
37 msg.setFont(default_font);
38
39 p1.setLayout(new BorderLayout());
40 p1.add(msg);
41
42 p2.setLayout(new FlowLayout());
43 send.addActionListener(this);
44 send_all.addActionListener(this);
45 cancel.addActionListener(this);
46 p2.add(send); p2.add(send_all); p2.add(cancel);
47
48 add("Center", p1);
49 add("South", p2);
50
51 setSize(300, 150);
52
53 Point my_loc=parent.getLocation();
54 my_loc.x+=50;
55 my_loc.y+=150;
56 setLocation(my_loc);
57 show();
58 }
59
60
61
62 public String getMessage() {
63 String retval=msg.getText();
64 return retval.length() > 0 ? retval : null;
65 }
66
67
68 public void actionPerformed(ActionEvent e) {
69 String command=e.getActionCommand();
70 String retval=msg.getText();
71
72 if(retval == null || retval.length() < 1) {
73 dispose();
74 return;
75 }
76
77 try {
78 MethodCall call = new MethodCall("displayMessage", new Object [] {sender, retval},
79 new String [] {String .class.getName(), String .class.getName()});
80 if(command == "Send")
81 disp.callRemoteMethod(dest.addr, call, GroupRequest.GET_FIRST, 0);
82 else if(command == "Send to all")
83 disp.callRemoteMethods(null, call, GroupRequest.GET_ALL, 0);
84 }
85 catch(Exception ex) {
86 System.err.println(ex);
87 }
88
89 dispose();
90 return;
91 }
92
93
94 }
95 |
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