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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         public static AltosFrequency[] load_common_frequencies() {
  97                 AltosFrequency[] frequencies = null;
  98                 boolean existing = false;
  99                 try {
 100                         existing = preferences.nodeExists(common_frequencies_node_name);
 101                 } catch (BackingStoreException be) {
 102                         existing = false;
 103                 }
 104                 if (existing) {
 105                         Preferences     node = preferences.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.get(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                 Preferences     node = preferences.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.put(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() {
 141                 preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
 142
 143                 /* Initialize logdir from preferences */
 144                 String logdir_string = preferences.get(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 = preferences.getBoolean(voicePreference, true);
 162
 163                 callsign = preferences.get(callsignPreference,"N0CALL");
 164
 165                 scanning_telemetry = preferences.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 166
 167                 launcher_serial = preferences.getInt(launcherSerialPreference, 0);
 168
 169                 launcher_channel = preferences.getInt(launcherChannelPreference, 0);
 170
 171                 String firmwaredir_string = preferences.get(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         }
 180
 181         static { init(); }
 182
 183         public static void flush_preferences() {
 184                 try {
 185                         preferences.flush();
 186                 } catch (BackingStoreException ee) {
 187 /*
 188                         if (component != null)
 189                                 JOptionPane.showMessageDialog(component,
 190                                                               preferences.absolutePath(),
 191                                                               "Cannot save prefernces",
 192                                                               JOptionPane.ERROR_MESSAGE);
 193                         else
 194 */
 195                                 System.err.printf("Cannot save preferences\n");
 196                 }
 197         }
 198
 199         public static void set_logdir(File new_logdir) {
 200                 logdir = new_logdir;
 201                 mapdir = new File(logdir, "maps");
 202                 if (!mapdir.exists())
 203                         mapdir.mkdirs();
 204                 synchronized (preferences) {
 205                         preferences.put(logdirPreference, logdir.getPath());
 206                         flush_preferences();
 207                 }
 208         }
 209
 210         public static File logdir() {
 211                 return logdir;
 212         }
 213
 214         public static File mapdir() {
 215                 return mapdir;
 216         }
 217
 218         public static void set_frequency(int serial, double new_frequency) {
 219                 frequencies.put(serial, new_frequency);
 220                 synchronized (preferences) {
 221                         preferences.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 222                         flush_preferences();
 223                 }
 224         }
 225
 226         public static double frequency(int serial) {
 227                 if (frequencies.containsKey(serial))
 228                         return frequencies.get(serial);
 229                 double frequency = preferences.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 230                 if (frequency == 0.0) {
 231                         int channel = preferences.getInt(String.format(channelPreferenceFormat, serial), 0);
 232                         frequency = AltosConvert.radio_channel_to_frequency(channel);
 233                 }
 234                 frequencies.put(serial, frequency);
 235                 return frequency;
 236         }
 237
 238         public static void set_telemetry(int serial, int new_telemetry) {
 239                 telemetries.put(serial, new_telemetry);
 240                 synchronized (preferences) {
 241                         preferences.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 242                         flush_preferences();
 243                 }
 244         }
 245
 246         public static int telemetry(int serial) {
 247                 if (telemetries.containsKey(serial))
 248                         return telemetries.get(serial);
 249                 int telemetry = preferences.getInt(String.format(telemetryPreferenceFormat, serial),
 250                                                    AltosLib.ao_telemetry_standard);
 251                 telemetries.put(serial, telemetry);
 252                 return telemetry;
 253         }
 254
 255         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 256                 scanning_telemetry = new_scanning_telemetry;
 257                 synchronized (preferences) {
 258                         preferences.putInt(scanningTelemetryPreference, scanning_telemetry);
 259                         flush_preferences();
 260                 }
 261         }
 262
 263         public static int scanning_telemetry() {
 264                 return scanning_telemetry;
 265         }
 266
 267         public static void set_voice(boolean new_voice) {
 268                 voice = new_voice;
 269                 synchronized (preferences) {
 270                         preferences.putBoolean(voicePreference, voice);
 271                         flush_preferences();
 272                 }
 273         }
 274
 275         public static boolean voice() {
 276                 return voice;
 277         }
 278
 279         public static void set_callsign(String new_callsign) {
 280                 callsign = new_callsign;
 281                 synchronized(preferences) {
 282                         preferences.put(callsignPreference, callsign);
 283                         flush_preferences();
 284                 }
 285         }
 286
 287         public static String callsign() {
 288                 return callsign;
 289         }
 290
 291         public static void set_firmwaredir(File new_firmwaredir) {
 292                 firmwaredir = new_firmwaredir;
 293                 synchronized (preferences) {
 294                         preferences.put(firmwaredirPreference, firmwaredir.getPath());
 295                         flush_preferences();
 296                 }
 297         }
 298
 299         public static File firmwaredir() {
 300                 return firmwaredir;
 301         }
 302
 303         public static void set_launcher_serial(int new_launcher_serial) {
 304                 launcher_serial = new_launcher_serial;
 305                 synchronized (preferences) {
 306                         preferences.putInt(launcherSerialPreference, launcher_serial);
 307                         flush_preferences();
 308                 }
 309         }
 310
 311         public static int launcher_serial() {
 312                 return launcher_serial;
 313         }
 314
 315         public static void set_launcher_channel(int new_launcher_channel) {
 316                 launcher_channel = new_launcher_channel;
 317                 synchronized (preferences) {
 318                         preferences.putInt(launcherChannelPreference, launcher_channel);
 319                         flush_preferences();
 320                 }
 321         }
 322
 323         public static int launcher_channel() {
 324                 return launcher_channel;
 325         }
 326
 327         public static Preferences bt_devices() {
 328                 return preferences.node("bt_devices");
 329         }
 330
 331         public static AltosFrequency[] common_frequencies() {
 332                 return common_frequencies;
 333         }
 334
 335         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 336                 common_frequencies = frequencies;
 337                 synchronized(preferences) {
 338                         save_common_frequencies(frequencies);
 339                         flush_preferences();
 340                 }
 341         }
 342
 343         public static void add_common_frequency(AltosFrequency frequency) {
 344                 AltosFrequency[]        new_frequencies = new AltosFrequency[common_frequencies.length + 1];
 345                 int                     i;
 346
 347                 for (i = 0; i < common_frequencies.length; i++) {
 348                         if (frequency.frequency == common_frequencies[i].frequency)
 349                                 return;
 350                         if (frequency.frequency < common_frequencies[i].frequency)
 351                                 break;
 352                         new_frequencies[i] = common_frequencies[i];
 353                 }
 354                 new_frequencies[i] = frequency;
 355                 for (; i < common_frequencies.length; i++)
 356                         new_frequencies[i+1] = common_frequencies[i];
 357                 set_common_frequencies(new_frequencies);
 358         }
 359 }