public void go() throws Exception {
if (!no_channel && !use_state) {
channel.connect(groupname);
}
mainFrame = new JFrame();
mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel = new DrawPanel(use_state);
panel.setBackground(background_color);
sub_panel = new JPanel();
mainFrame.getContentPane().add("Center", panel);
clear_button = new JButton("Clear");
clear_button.setFont(default_font);
clear_button.addActionListener(this);
leave_button = new JButton("Leave");
leave_button.setFont(default_font);
leave_button.addActionListener(this);
sub_panel.add("South", clear_button);
sub_panel.add("South", leave_button);
mainFrame.getContentPane().add("South", sub_panel);
mainFrame.setBackground(background_color);
clear_button.setForeground(Color.blue);
leave_button.setForeground(Color.blue);
mainFrame.pack();
mainFrame.setLocation(15, 25);
mainFrame.setBounds(new Rectangle(250, 250));
if (!no_channel && use_state) {
channel.connect(groupname, null, null, state_timeout);
}
mainFrame.setVisible(true);
setTitle();
}
public void start(String props) throws Exception {
channel = new JChannel(props);
channel.setReceiver(this);
channel.connect("ViewDemo");
while (true) {
Util.sleep(10000);
}
}