git.gag.com Git - fw/altos/blob - ao-tools/altosui/AltosPreferences.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 import java.io.*;
  20 import java.util.*;
  21 import java.text.*;
  22 import java.util.prefs.*;
  23 import java.util.concurrent.LinkedBlockingQueue;
  24 import java.awt.Component;
  25 import javax.swing.*;
  26 import javax.swing.filechooser.FileSystemView;
  27
  28 class AltosPreferences {
  29         static Preferences preferences;
  30
  31         /* logdir preference name */
  32         final static String logdirPreference = "LOGDIR";
  33
  34         /* channel preference name */
  35         final static String channelPreferenceFormat = "CHANNEL-%d";
  36
  37         /* voice preference name */
  38         final static String voicePreference = "VOICE";
  39
  40         /* callsign preference name */
  41         final static String callsignPreference = "CALLSIGN";
  42
  43         /* firmware directory preference name */
  44         final static String firmwaredirPreference = "FIRMWARE";
  45
  46         /* Default logdir is ~/TeleMetrum */
  47         final static String logdirName = "TeleMetrum";
  48
  49         /* UI Component to pop dialogs up */
  50         static Component component;
  51
  52         /* Log directory */
  53         static File logdir;
  54
  55         /* Channel (map serial to channel) */
  56         static Hashtable<Integer, Integer> channels;
  57
  58         /* Voice preference */
  59         static boolean voice;
  60
  61         /* Callsign preference */
  62         static String callsign;
  63
  64         /* Firmware directory */
  65         static File firmwaredir;
  66
  67         public static void init(Component ui) {
  68                 preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
  69
  70                 component = ui;
  71
  72                 /* Initialize logdir from preferences */
  73                 String logdir_string = preferences.get(logdirPreference, null);
  74                 if (logdir_string != null)
  75                         logdir = new File(logdir_string);
  76                 else {
  77                         /* Use the file system view default directory */
  78                         logdir = new File(FileSystemView.getFileSystemView().getDefaultDirectory(), logdirName);
  79                         if (!logdir.exists())
  80                                 logdir.mkdirs();
  81                 }
  82
  83                 channels = new Hashtable<Integer,Integer>();
  84
  85                 voice = preferences.getBoolean(voicePreference, true);
  86
  87                 callsign = preferences.get(callsignPreference,"N0CALL");
  88
  89                 String firmwaredir_string = preferences.get(firmwaredirPreference, null);
  90                 if (firmwaredir_string != null)
  91                         firmwaredir = new File(firmwaredir_string);
  92                 else
  93                         firmwaredir = null;
  94         }
  95
  96         static void flush_preferences() {
  97                 try {
  98                         preferences.flush();
  99                 } catch (BackingStoreException ee) {
 100                         JOptionPane.showMessageDialog(component,
 101                                                       preferences.absolutePath(),
 102                                                       "Cannot save prefernces",
 103                                                       JOptionPane.ERROR_MESSAGE);
 104                 }
 105         }
 106
 107         public static void set_logdir(File new_logdir) {
 108                 logdir = new_logdir;
 109                 synchronized (preferences) {
 110                         preferences.put(logdirPreference, logdir.getPath());
 111                         flush_preferences();
 112                 }
 113         }
 114
 115         private static boolean check_dir(File dir) {
 116                 if (!dir.exists()) {
 117                         if (!dir.mkdirs()) {
 118                                 JOptionPane.showMessageDialog(component,
 119                                                               dir.getName(),
 120                                                               "Cannot create directory",
 121                                                               JOptionPane.ERROR_MESSAGE);
 122                                 return false;
 123                         }
 124                 } else if (!dir.isDirectory()) {
 125                         JOptionPane.showMessageDialog(component,
 126                                                       dir.getName(),
 127                                                       "Is not a directory",
 128                                                       JOptionPane.ERROR_MESSAGE);
 129                         return false;
 130                 }
 131                 return true;
 132         }
 133
 134         /* Configure the log directory. This is where all telemetry and eeprom files
 135          * will be written to, and where replay will look for telemetry files
 136          */
 137         public static void ConfigureLog() {
 138                 JFileChooser    logdir_chooser = new JFileChooser(logdir.getParentFile());
 139
 140                 logdir_chooser.setDialogTitle("Configure Data Logging Directory");
 141                 logdir_chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
 142
 143                 if (logdir_chooser.showDialog(component, "Select Directory") == JFileChooser.APPROVE_OPTION) {
 144                         File dir = logdir_chooser.getSelectedFile();
 145                         if (check_dir(dir))
 146                                 set_logdir(dir);
 147                 }
 148         }
 149
 150         public static File logdir() {
 151                 return logdir;
 152         }
 153
 154         public static void set_channel(int serial, int new_channel) {
 155                 channels.put(serial, new_channel);
 156                 synchronized (preferences) {
 157                         preferences.putInt(String.format(channelPreferenceFormat, serial), new_channel);
 158                         flush_preferences();
 159                 }
 160         }
 161
 162         public static int channel(int serial) {
 163                 if (channels.containsKey(serial))
 164                         return channels.get(serial);
 165                 int channel = preferences.getInt(String.format(channelPreferenceFormat, serial), 0);
 166                 channels.put(serial, channel);
 167                 return channel;
 168         }
 169
 170         public static void set_voice(boolean new_voice) {
 171                 voice = new_voice;
 172                 synchronized (preferences) {
 173                         preferences.putBoolean(voicePreference, voice);
 174                         flush_preferences();
 175                 }
 176         }
 177
 178         public static boolean voice() {
 179                 return voice;
 180         }
 181
 182         public static void set_callsign(String new_callsign) {
 183                 callsign = new_callsign;
 184                 synchronized(preferences) {
 185                         preferences.put(callsignPreference, callsign);
 186                         flush_preferences();
 187                 }
 188         }
 189
 190         public static String callsign() {
 191                 return callsign;
 192         }
 193
 194         public static void set_firmwaredir(File new_firmwaredir) {
 195                 firmwaredir = new_firmwaredir;
 196                 synchronized (preferences) {
 197                         preferences.put(firmwaredirPreference, firmwaredir.getPath());
 198                         flush_preferences();
 199                 }
 200         }
 201
 202         public static File firmwaredir() {
 203                 return firmwaredir;
 204         }
 205 }