2 * Copyright © 2010 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 import java.awt.event.*;
23 import javax.swing.filechooser.FileNameExtensionFilter;
24 import javax.swing.table.*;
28 import java.util.prefs.*;
29 import java.util.concurrent.LinkedBlockingQueue;
31 public class AltosChannelMenu extends JComboBox implements ActionListener {
33 LinkedList<ActionListener> listeners;
35 public void addActionListener(ActionListener l) {
39 public void actionPerformed(ActionEvent e) {
40 channel = getSelectedIndex();
42 ActionEvent newe = new ActionEvent(this, channel, e.getActionCommand());
44 ListIterator<ActionListener> i = listeners.listIterator();
47 ActionListener listener = i.next();
48 listener.actionPerformed(newe);
50 setMaximumSize(getPreferredSize());
53 public AltosChannelMenu(int current_channel) {
55 channel = current_channel;
57 listeners = new LinkedList<ActionListener>();
58 for (int c = 0; c <= 9; c++)
59 addItem(String.format("Channel %1d (%7.3fMHz)", c, 434.550 + c * 0.1));
60 setSelectedIndex(channel);
61 setMaximumRowCount(10);