Update java library versions
[fw/altos] / altosuilib / AltosDataChooser.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_9;
19
20 import javax.swing.*;
21 import javax.swing.filechooser.FileNameExtensionFilter;
22 import java.io.*;
23 import org.altusmetrum.altoslib_9.*;
24
25 public class AltosDataChooser extends JFileChooser {
26         JFrame  frame;
27         String  filename;
28         File    file;
29
30         public String filename() {
31                 return filename;
32         }
33
34         public File file() {
35                 return file;
36         }
37
38         public AltosStateIterable runDialog() {
39                 int     ret;
40
41                 ret = showOpenDialog(frame);
42                 if (ret == APPROVE_OPTION) {
43                         file = getSelectedFile();
44                         if (file == null)
45                                 return null;
46                         filename = file.getName();
47                         try {
48                                 if (filename.endsWith("eeprom")) {
49                                         FileInputStream in = new FileInputStream(file);
50                                         return new AltosEepromFile(in);
51                                 } else if (filename.endsWith("telem")) {
52                                         FileInputStream in = new FileInputStream(file);
53                                         return new AltosTelemetryFile(in);
54                                 } else {
55                                         throw new FileNotFoundException();
56                                 }
57                         } catch (FileNotFoundException fe) {
58                                 JOptionPane.showMessageDialog(frame,
59                                                               fe.getMessage(),
60                                                               "Cannot open file",
61                                                               JOptionPane.ERROR_MESSAGE);
62                         }
63                 }
64                 return null;
65         }
66
67         public AltosDataChooser(JFrame in_frame) {
68                 frame = in_frame;
69                 setDialogTitle("Select Flight Record File");
70                 setFileFilter(new FileNameExtensionFilter("On-board Log file",
71                                                           "eeprom"));
72                 setFileFilter(new FileNameExtensionFilter("Telemetry file",
73                                                           "telem"));
74                 setFileFilter(new FileNameExtensionFilter("Flight data file",
75                                                           "telem", "eeprom"));
76                 setCurrentDirectory(AltosUIPreferences.logdir());
77         }
78 }