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   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.AltosLib;
  19
  20 import java.io.*;
  21 import java.util.*;
  22 import java.util.prefs.*;
  23 import javax.swing.filechooser.FileSystemView;
  24
  25 public class AltosPreferences {
  26         public static Preferences preferences;
  27
  28         /* logdir preference name */
  29         public final static String logdirPreference = "LOGDIR";
  30
  31         /* channel preference name */
  32         public final static String channelPreferenceFormat = "CHANNEL-%d";
  33
  34         /* frequency preference name */
  35         public final static String frequencyPreferenceFormat = "FREQUENCY-%d";
  36
  37         /* telemetry format preference name */
  38         public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
  39
  40         /* voice preference name */
  41         public final static String voicePreference = "VOICE";
  42
  43         /* callsign preference name */
  44         public final static String callsignPreference = "CALLSIGN";
  45
  46         /* firmware directory preference name */
  47         public final static String firmwaredirPreference = "FIRMWARE";
  48
  49         /* serial debug preference name */
  50         public final static String serialDebugPreference = "SERIAL-DEBUG";
  51
  52         /* scanning telemetry preferences name */
  53         public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
  54
  55         /* Launcher serial preference name */
  56         public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
  57
  58         /* Launcher channel preference name */
  59         public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
  60
  61         /* Default logdir is ~/TeleMetrum */
  62         public final static String logdirName = "TeleMetrum";
  63
  64         /* Log directory */
  65         public static File logdir;
  66
  67         /* Map directory -- hangs of logdir */
  68         public static File mapdir;
  69
  70         /* Frequency (map serial to frequency) */
  71         public static Hashtable<Integer, Double> frequencies;
  72
  73         /* Telemetry (map serial to telemetry format) */
  74         public static Hashtable<Integer, Integer> telemetries;
  75
  76         /* Voice preference */
  77         public static boolean voice;
  78
  79         /* Callsign preference */
  80         public static String callsign;
  81
  82         /* Firmware directory */
  83         public static File firmwaredir;
  84
  85         /* Scanning telemetry */
  86         public static int scanning_telemetry;
  87
  88         /* List of frequencies */
  89         public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
  90         public static AltosFrequency[] common_frequencies;
  91
  92         public final static String      frequency_count = "COUNT";
  93         public final static String      frequency_format = "FREQUENCY-%d";
  94         public final static String      description_format = "DESCRIPTION-%d";
  95
  96         /* Units preference */
  97
  98         public final static String      unitsPreference = "IMPERIAL-UNITS";
  99
 100         public static AltosFrequency[] load_common_frequencies() {
 101                 AltosFrequency[] frequencies = null;
 102                 boolean existing = false;
 103                 try {
 104                         existing = preferences.nodeExists(common_frequencies_node_name);
 105                 } catch (BackingStoreException be) {
 106                         existing = false;
 107                 }
 108                 if (existing) {
 109                         Preferences     node = preferences.node(common_frequencies_node_name);
 110                         int             count = node.getInt(frequency_count, 0);
 111
 112                         frequencies = new AltosFrequency[count];
 113                         for (int i = 0; i < count; i++) {
 114                                 double  frequency;
 115                                 String  description;
 116
 117                                 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 118                                 description = node.get(String.format(description_format, i), null);
 119                                 frequencies[i] = new AltosFrequency(frequency, description);
 120                         }
 121                 } else {
 122                         frequencies = new AltosFrequency[10];
 123                         for (int i = 0; i < 10; i++) {
 124                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 125                                                                            String.format("Channel %d", i));
 126                         }
 127                 }
 128                 return frequencies;
 129         }
 130
 131         public static void save_common_frequencies(AltosFrequency[] frequencies) {
 132                 Preferences     node = preferences.node(common_frequencies_node_name);
 133
 134                 node.putInt(frequency_count, frequencies.length);
 135                 for (int i = 0; i < frequencies.length; i++) {
 136                         node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
 137                         node.put(String.format(description_format, i), frequencies[i].description);
 138                 }
 139         }
 140         public static int launcher_serial;
 141
 142         public static int launcher_channel;
 143
 144         public static void init() {
 145                 preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
 146
 147                 /* Initialize logdir from preferences */
 148                 String logdir_string = preferences.get(logdirPreference, null);
 149                 if (logdir_string != null)
 150                         logdir = new File(logdir_string);
 151                 else {
 152                         /* Use the file system view default directory */
 153                         logdir = new File(FileSystemView.getFileSystemView().getDefaultDirectory(), logdirName);
 154                         if (!logdir.exists())
 155                                 logdir.mkdirs();
 156                 }
 157                 mapdir = new File(logdir, "maps");
 158                 if (!mapdir.exists())
 159                         mapdir.mkdirs();
 160
 161                 frequencies = new Hashtable<Integer, Double>();
 162
 163                 telemetries = new Hashtable<Integer,Integer>();
 164
 165                 voice = preferences.getBoolean(voicePreference, true);
 166
 167                 callsign = preferences.get(callsignPreference,"N0CALL");
 168
 169                 scanning_telemetry = preferences.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 170
 171                 launcher_serial = preferences.getInt(launcherSerialPreference, 0);
 172
 173                 launcher_channel = preferences.getInt(launcherChannelPreference, 0);
 174
 175                 String firmwaredir_string = preferences.get(firmwaredirPreference, null);
 176                 if (firmwaredir_string != null)
 177                         firmwaredir = new File(firmwaredir_string);
 178                 else
 179                         firmwaredir = null;
 180
 181                 common_frequencies = load_common_frequencies();
 182
 183                 AltosConvert.imperial_units = preferences.getBoolean(unitsPreference, false);
 184         }
 185
 186         static { init(); }
 187
 188         public static void flush_preferences() {
 189                 try {
 190                         preferences.flush();
 191                 } catch (BackingStoreException ee) {
 192 /*
 193                         if (component != null)
 194                                 JOptionPane.showMessageDialog(component,
 195                                                               preferences.absolutePath(),
 196                                                               "Cannot save prefernces",
 197                                                               JOptionPane.ERROR_MESSAGE);
 198                         else
 199 */
 200                                 System.err.printf("Cannot save preferences\n");
 201                 }
 202         }
 203
 204         public static void set_logdir(File new_logdir) {
 205                 synchronized (preferences) {
 206                         logdir = new_logdir;
 207                         mapdir = new File(logdir, "maps");
 208                         if (!mapdir.exists())
 209                                 mapdir.mkdirs();
 210                         preferences.put(logdirPreference, logdir.getPath());
 211                         flush_preferences();
 212                 }
 213         }
 214
 215         public static File logdir() {
 216                 synchronized (preferences) {
 217                         return logdir;
 218                 }
 219         }
 220
 221         public static File mapdir() {
 222                 synchronized (preferences) {
 223                         return mapdir;
 224                 }
 225         }
 226
 227         public static void set_frequency(int serial, double new_frequency) {
 228                 synchronized (preferences) {
 229                         frequencies.put(serial, new_frequency);
 230                         preferences.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 231                         flush_preferences();
 232                 }
 233         }
 234
 235         public static double frequency(int serial) {
 236                 synchronized (preferences) {
 237                         if (frequencies.containsKey(serial))
 238                                 return frequencies.get(serial);
 239                         double frequency = preferences.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 240                         if (frequency == 0.0) {
 241                                 int channel = preferences.getInt(String.format(channelPreferenceFormat, serial), 0);
 242                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 243                         }
 244                         frequencies.put(serial, frequency);
 245                         return frequency;
 246                 }
 247         }
 248
 249         public static void set_telemetry(int serial, int new_telemetry) {
 250                 synchronized (preferences) {
 251                         telemetries.put(serial, new_telemetry);
 252                         preferences.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 253                         flush_preferences();
 254                 }
 255         }
 256
 257         public static int telemetry(int serial) {
 258                 synchronized (preferences) {
 259                         if (telemetries.containsKey(serial))
 260                                 return telemetries.get(serial);
 261                         int telemetry = preferences.getInt(String.format(telemetryPreferenceFormat, serial),
 262                                                            AltosLib.ao_telemetry_standard);
 263                         telemetries.put(serial, telemetry);
 264                         return telemetry;
 265                 }
 266         }
 267
 268         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 269                 synchronized (preferences) {
 270                         scanning_telemetry = new_scanning_telemetry;
 271                         preferences.putInt(scanningTelemetryPreference, scanning_telemetry);
 272                         flush_preferences();
 273                 }
 274         }
 275
 276         public static int scanning_telemetry() {
 277                 synchronized (preferences) {
 278                         return scanning_telemetry;
 279                 }
 280         }
 281
 282         public static void set_voice(boolean new_voice) {
 283                 synchronized (preferences) {
 284                         voice = new_voice;
 285                         preferences.putBoolean(voicePreference, voice);
 286                         flush_preferences();
 287                 }
 288         }
 289
 290         public static boolean voice() {
 291                 synchronized (preferences) {
 292                         return voice;
 293                 }
 294         }
 295
 296         public static void set_callsign(String new_callsign) {
 297                 synchronized(preferences) {
 298                         callsign = new_callsign;
 299                         preferences.put(callsignPreference, callsign);
 300                         flush_preferences();
 301                 }
 302         }
 303
 304         public static String callsign() {
 305                 synchronized(preferences) {
 306                         return callsign;
 307                 }
 308         }
 309
 310         public static void set_firmwaredir(File new_firmwaredir) {
 311                 synchronized (preferences) {
 312                         firmwaredir = new_firmwaredir;
 313                         preferences.put(firmwaredirPreference, firmwaredir.getPath());
 314                         flush_preferences();
 315                 }
 316         }
 317
 318         public static File firmwaredir() {
 319                 synchronized (preferences) {
 320                         return firmwaredir;
 321                 }
 322         }
 323
 324         public static void set_launcher_serial(int new_launcher_serial) {
 325                 synchronized (preferences) {
 326                         launcher_serial = new_launcher_serial;
 327                         preferences.putInt(launcherSerialPreference, launcher_serial);
 328                         flush_preferences();
 329                 }
 330         }
 331
 332         public static int launcher_serial() {
 333                 synchronized (preferences) {
 334                         return launcher_serial;
 335                 }
 336         }
 337
 338         public static void set_launcher_channel(int new_launcher_channel) {
 339                 synchronized (preferences) {
 340                         launcher_channel = new_launcher_channel;
 341                         preferences.putInt(launcherChannelPreference, launcher_channel);
 342                         flush_preferences();
 343                 }
 344         }
 345
 346         public static int launcher_channel() {
 347                 synchronized (preferences) {
 348                         return launcher_channel;
 349                 }
 350         }
 351
 352         public static Preferences bt_devices() {
 353                 synchronized (preferences) {
 354                         return preferences.node("bt_devices");
 355                 }
 356         }
 357
 358         public static AltosFrequency[] common_frequencies() {
 359                 synchronized (preferences) {
 360                         return common_frequencies;
 361                 }
 362         }
 363
 364         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 365                 synchronized(preferences) {
 366                         common_frequencies = frequencies;
 367                         save_common_frequencies(frequencies);
 368                         flush_preferences();
 369                 }
 370         }
 371
 372         public static void add_common_frequency(AltosFrequency frequency) {
 373                 AltosFrequency[]        old_frequencies = common_frequencies();
 374                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 375                 int                     i;
 376
 377                 for (i = 0; i < old_frequencies.length; i++) {
 378                         if (frequency.frequency == old_frequencies[i].frequency)
 379                                 return;
 380                         if (frequency.frequency < old_frequencies[i].frequency)
 381                                 break;
 382                         new_frequencies[i] = old_frequencies[i];
 383                 }
 384                 new_frequencies[i] = frequency;
 385                 for (; i < old_frequencies.length; i++)
 386                         new_frequencies[i+1] = old_frequencies[i];
 387                 set_common_frequencies(new_frequencies);
 388         }
 389
 390         public static boolean imperial_units() {
 391                 synchronized(preferences) {
 392                         return AltosConvert.imperial_units;
 393                 }
 394         }
 395
 396         public static void set_imperial_units(boolean imperial_units) {
 397                 synchronized (preferences) {
 398                         AltosConvert.imperial_units = imperial_units;
 399                         preferences.putBoolean(unitsPreference, imperial_units);
 400                         flush_preferences();
 401                 }
 402         }
 403 }