c6d53a311eaf37c8110d73b9e38c6e6251878208
[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; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
17  */
18
19 package org.altusmetrum.altosuilib_11;
20
21 import javax.swing.*;
22 import javax.swing.filechooser.FileNameExtensionFilter;
23 import java.io.*;
24 import org.altusmetrum.altoslib_11.*;
25
26 public class AltosDataChooser extends JFileChooser {
27         JFrame  frame;
28         String  filename;
29         File    file;
30
31         public String filename() {
32                 return filename;
33         }
34
35         public File file() {
36                 return file;
37         }
38
39         public AltosRecordSet runDialog() {
40                 int     ret;
41
42                 ret = showOpenDialog(frame);
43                 if (ret == APPROVE_OPTION) {
44                         file = getSelectedFile();
45                         if (file == null)
46                                 return null;
47                         filename = file.getName();
48                         try {
49                                 if (filename.endsWith("eeprom")) {
50                                         FileReader in = new FileReader(file);
51                                         return new AltosEepromFile(in);
52                                 } else if (filename.endsWith("telem")) {
53                                         FileInputStream in = new FileInputStream(file);
54                                         return new AltosTelemetryFile(in);
55                                 } else {
56                                         throw new FileNotFoundException();
57                                 }
58                         } catch (FileNotFoundException fe) {
59                                 JOptionPane.showMessageDialog(frame,
60                                                               fe.getMessage(),
61                                                               "Cannot open file",
62                                                               JOptionPane.ERROR_MESSAGE);
63                         } catch (IOException ie) {
64                                 JOptionPane.showMessageDialog(frame,
65                                                               ie.getMessage(),
66                                                               "Error reading file",
67                                                               JOptionPane.ERROR_MESSAGE);
68                         }
69                 }
70                 return null;
71         }
72
73         public AltosDataChooser(JFrame in_frame) {
74                 frame = in_frame;
75                 setDialogTitle("Select Flight Record File");
76                 setFileFilter(new FileNameExtensionFilter("On-board Log file",
77                                                           "eeprom"));
78                 setFileFilter(new FileNameExtensionFilter("Telemetry file",
79                                                           "telem"));
80                 setFileFilter(new FileNameExtensionFilter("Flight data file",
81                                                           "telem", "eeprom"));
82                 setCurrentDirectory(AltosUIPreferences.logdir());
83         }
84 }