git.gag.com Git - fw/altos/blob - ao-tools/altosui/AltosChannelMenu.java

   1 /*
   2  * Copyright © 2010 Keith Packard <keithp@keithp.com>
   3  *
   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.
   7  *
   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.
  12  *
  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.
  16  */
  17
  18 package altosui;
  19
  20 import java.awt.*;
  21 import java.awt.event.*;
  22 import javax.swing.*;
  23 import javax.swing.filechooser.FileNameExtensionFilter;
  24 import javax.swing.table.*;
  25 import java.io.*;
  26 import java.util.*;
  27 import java.text.*;
  28 import java.util.prefs.*;
  29 import java.util.concurrent.LinkedBlockingQueue;
  30
  31 public class AltosChannelMenu extends JMenu implements ActionListener {
  32         ButtonGroup                     group;
  33         int                             channel;
  34         LinkedList<ActionListener>      listeners;
  35
  36         public void addActionListener(ActionListener l) {
  37                 listeners.add(l);
  38         }
  39
  40         public void actionPerformed(ActionEvent e) {
  41                 channel = Integer.parseInt(e.getActionCommand());
  42
  43                 ListIterator<ActionListener>    i = listeners.listIterator();
  44
  45                 ActionEvent newe = new ActionEvent(this, channel, e.getActionCommand());
  46                 while (i.hasNext()) {
  47                         ActionListener  listener = i.next();
  48                         listener.actionPerformed(newe);
  49                 }
  50         }
  51
  52         public AltosChannelMenu(int current_channel) {
  53                 super("Channel", true);
  54                 group = new ButtonGroup();
  55
  56                 channel = current_channel;
  57
  58                 listeners = new LinkedList<ActionListener>();
  59                 for (int c = 0; c <= 9; c++) {
  60                         JRadioButtonMenuItem radioitem = new JRadioButtonMenuItem(String.format("Channel %1d (%7.3fMHz)", c,
  61                                                                                                 434.550 + c * 0.1),
  62                                                              c == channel);
  63                         radioitem.setActionCommand(String.format("%d", c));
  64                         radioitem.addActionListener(this);
  65                         add(radioitem);
  66                         group.add(radioitem);
  67                 }
  68         }
  69
  70 }