altos: Make sure pyro remains valid during delay
[fw/altos] / altosuilib / AltosLights.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 org.altusmetrum.altosuilib_3;
19
20 import java.awt.*;
21 import javax.swing.*;
22
23 public class AltosLights extends JComponent {
24
25         GridBagLayout   gridbag;
26
27         AltosLed        red, green;
28
29         ImageIcon create_icon(String path, String description) {
30                 java.net.URL imgURL = AltosUILib.class.getResource(path);
31                 if (imgURL != null)
32                         return new ImageIcon(imgURL, description);
33                 System.err.printf("Cannot find icon \"%s\"\n", path);
34                 return null;
35         }
36
37         public void set (boolean on) {
38                 if (on) {
39                         red.set(false);
40                         green.set(true);
41                 } else {
42                         red.set(true);
43                         green.set(false);
44                 }
45         }
46
47         public AltosLights() {
48                 GridBagConstraints c;
49                 gridbag = new GridBagLayout();
50                 setLayout(gridbag);
51
52                 c = new GridBagConstraints();
53                 red = new AltosLed("/redled.png", "/grayled.png");
54                 c.gridx = 0; c.gridy = 0;
55                 c.insets = new Insets (0, 5, 0, 5);
56                 gridbag.setConstraints(red, c);
57                 add(red);
58                 red.set(true);
59                 green = new AltosLed("/greenled.png", "/grayled.png");
60                 c.gridx = 1; c.gridy = 0;
61                 gridbag.setConstraints(green, c);
62                 add(green);
63                 green.set(false);
64         }
65 }