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