import java.io.*;
import java.util.*;
-import java.util.prefs.*;
-import javax.swing.filechooser.FileSystemView;
public class AltosPreferences {
- public static Preferences preferences;
+ public static AltosPreferencesBackend backend = null;
/* logdir preference name */
public final static String logdirPreference = "LOGDIR";
public static AltosFrequency[] load_common_frequencies() {
AltosFrequency[] frequencies = null;
boolean existing = false;
- try {
- existing = preferences.nodeExists(common_frequencies_node_name);
- } catch (BackingStoreException be) {
- existing = false;
- }
+ existing = backend.nodeExists(common_frequencies_node_name);
+
if (existing) {
- Preferences node = preferences.node(common_frequencies_node_name);
+ AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
int count = node.getInt(frequency_count, 0);
frequencies = new AltosFrequency[count];
String description;
frequency = node.getDouble(String.format(frequency_format, i), 0.0);
- description = node.get(String.format(description_format, i), null);
+ description = node.getString(String.format(description_format, i), null);
frequencies[i] = new AltosFrequency(frequency, description);
}
} else {
}
public static void save_common_frequencies(AltosFrequency[] frequencies) {
- Preferences node = preferences.node(common_frequencies_node_name);
+ AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
node.putInt(frequency_count, frequencies.length);
for (int i = 0; i < frequencies.length; i++) {
node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
- node.put(String.format(description_format, i), frequencies[i].description);
+ node.putString(String.format(description_format, i), frequencies[i].description);
}
}
public static int launcher_serial;
public static int launcher_channel;
- public static void init() {
- preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
+ public static void init(AltosPreferencesBackend in_backend) {
+ backend = in_backend;
/* Initialize logdir from preferences */
- String logdir_string = preferences.get(logdirPreference, null);
+ String logdir_string = backend.getString(logdirPreference, null);
if (logdir_string != null)
logdir = new File(logdir_string);
else {
- /* Use the file system view default directory */
- logdir = new File(FileSystemView.getFileSystemView().getDefaultDirectory(), logdirName);
+ logdir = new File(backend.homeDirectory(), logdirName);
if (!logdir.exists())
logdir.mkdirs();
}
telemetries = new Hashtable<Integer,Integer>();
- voice = preferences.getBoolean(voicePreference, true);
+ voice = backend.getBoolean(voicePreference, true);
- callsign = preferences.get(callsignPreference,"N0CALL");
+ callsign = backend.getString(callsignPreference,"N0CALL");
- scanning_telemetry = preferences.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
+ scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
- launcher_serial = preferences.getInt(launcherSerialPreference, 0);
+ launcher_serial = backend.getInt(launcherSerialPreference, 0);
- launcher_channel = preferences.getInt(launcherChannelPreference, 0);
+ launcher_channel = backend.getInt(launcherChannelPreference, 0);
- String firmwaredir_string = preferences.get(firmwaredirPreference, null);
+ String firmwaredir_string = backend.getString(firmwaredirPreference, null);
if (firmwaredir_string != null)
firmwaredir = new File(firmwaredir_string);
else
common_frequencies = load_common_frequencies();
- AltosConvert.imperial_units = preferences.getBoolean(unitsPreference, false);
+ AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
}
- static { init(); }
-
public static void flush_preferences() {
- try {
- preferences.flush();
- } catch (BackingStoreException ee) {
-/*
- if (component != null)
- JOptionPane.showMessageDialog(component,
- preferences.absolutePath(),
- "Cannot save prefernces",
- JOptionPane.ERROR_MESSAGE);
- else
-*/
- System.err.printf("Cannot save preferences\n");
- }
+ backend.flush();
}
public static void set_logdir(File new_logdir) {
- synchronized (preferences) {
+ synchronized (backend) {
logdir = new_logdir;
mapdir = new File(logdir, "maps");
if (!mapdir.exists())
mapdir.mkdirs();
- preferences.put(logdirPreference, logdir.getPath());
+ backend.putString(logdirPreference, logdir.getPath());
flush_preferences();
}
}
public static File logdir() {
- synchronized (preferences) {
+ synchronized (backend) {
return logdir;
}
}
public static File mapdir() {
- synchronized (preferences) {
+ synchronized (backend) {
return mapdir;
}
}
public static void set_frequency(int serial, double new_frequency) {
- synchronized (preferences) {
+ synchronized (backend) {
frequencies.put(serial, new_frequency);
- preferences.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
+ backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
flush_preferences();
}
}
public static double frequency(int serial) {
- synchronized (preferences) {
+ synchronized (backend) {
if (frequencies.containsKey(serial))
return frequencies.get(serial);
- double frequency = preferences.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
+ double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
if (frequency == 0.0) {
- int channel = preferences.getInt(String.format(channelPreferenceFormat, serial), 0);
+ int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
frequency = AltosConvert.radio_channel_to_frequency(channel);
}
frequencies.put(serial, frequency);
}
public static void set_telemetry(int serial, int new_telemetry) {
- synchronized (preferences) {
+ synchronized (backend) {
telemetries.put(serial, new_telemetry);
- preferences.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
+ backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
flush_preferences();
}
}
public static int telemetry(int serial) {
- synchronized (preferences) {
+ synchronized (backend) {
if (telemetries.containsKey(serial))
return telemetries.get(serial);
- int telemetry = preferences.getInt(String.format(telemetryPreferenceFormat, serial),
- AltosLib.ao_telemetry_standard);
+ int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
+ AltosLib.ao_telemetry_standard);
telemetries.put(serial, telemetry);
return telemetry;
}
}
public static void set_scanning_telemetry(int new_scanning_telemetry) {
- synchronized (preferences) {
+ synchronized (backend) {
scanning_telemetry = new_scanning_telemetry;
- preferences.putInt(scanningTelemetryPreference, scanning_telemetry);
+ backend.putInt(scanningTelemetryPreference, scanning_telemetry);
flush_preferences();
}
}
public static int scanning_telemetry() {
- synchronized (preferences) {
+ synchronized (backend) {
return scanning_telemetry;
}
}
public static void set_voice(boolean new_voice) {
- synchronized (preferences) {
+ synchronized (backend) {
voice = new_voice;
- preferences.putBoolean(voicePreference, voice);
+ backend.putBoolean(voicePreference, voice);
flush_preferences();
}
}
public static boolean voice() {
- synchronized (preferences) {
+ synchronized (backend) {
return voice;
}
}
public static void set_callsign(String new_callsign) {
- synchronized(preferences) {
+ synchronized(backend) {
callsign = new_callsign;
- preferences.put(callsignPreference, callsign);
+ backend.putString(callsignPreference, callsign);
flush_preferences();
}
}
public static String callsign() {
- synchronized(preferences) {
+ synchronized(backend) {
return callsign;
}
}
public static void set_firmwaredir(File new_firmwaredir) {
- synchronized (preferences) {
+ synchronized (backend) {
firmwaredir = new_firmwaredir;
- preferences.put(firmwaredirPreference, firmwaredir.getPath());
+ backend.putString(firmwaredirPreference, firmwaredir.getPath());
flush_preferences();
}
}
public static File firmwaredir() {
- synchronized (preferences) {
+ synchronized (backend) {
return firmwaredir;
}
}
public static void set_launcher_serial(int new_launcher_serial) {
- synchronized (preferences) {
+ synchronized (backend) {
launcher_serial = new_launcher_serial;
- preferences.putInt(launcherSerialPreference, launcher_serial);
+ backend.putInt(launcherSerialPreference, launcher_serial);
flush_preferences();
}
}
public static int launcher_serial() {
- synchronized (preferences) {
+ synchronized (backend) {
return launcher_serial;
}
}
public static void set_launcher_channel(int new_launcher_channel) {
- synchronized (preferences) {
+ synchronized (backend) {
launcher_channel = new_launcher_channel;
- preferences.putInt(launcherChannelPreference, launcher_channel);
+ backend.putInt(launcherChannelPreference, launcher_channel);
flush_preferences();
}
}
public static int launcher_channel() {
- synchronized (preferences) {
+ synchronized (backend) {
return launcher_channel;
}
}
- public static Preferences bt_devices() {
- synchronized (preferences) {
- return preferences.node("bt_devices");
+ public static AltosPreferencesBackend bt_devices() {
+ synchronized (backend) {
+ return backend.node("bt_devices");
}
}
public static AltosFrequency[] common_frequencies() {
- synchronized (preferences) {
+ synchronized (backend) {
return common_frequencies;
}
}
public static void set_common_frequencies(AltosFrequency[] frequencies) {
- synchronized(preferences) {
+ synchronized(backend) {
common_frequencies = frequencies;
save_common_frequencies(frequencies);
flush_preferences();
set_common_frequencies(new_frequencies);
}
+ static LinkedList<AltosUnitsListener> units_listeners;
+
public static boolean imperial_units() {
- synchronized(preferences) {
+ synchronized(backend) {
return AltosConvert.imperial_units;
}
}
public static void set_imperial_units(boolean imperial_units) {
- synchronized (preferences) {
+ synchronized (backend) {
AltosConvert.imperial_units = imperial_units;
- preferences.putBoolean(unitsPreference, imperial_units);
+ backend.putBoolean(unitsPreference, imperial_units);
flush_preferences();
}
+ if (units_listeners != null) {
+ for (AltosUnitsListener l : units_listeners) {
+ l.units_changed(imperial_units);
+ }
+ }
+ }
+
+ public static void register_units_listener(AltosUnitsListener l) {
+ synchronized(backend) {
+ if (units_listeners == null)
+ units_listeners = new LinkedList<AltosUnitsListener>();
+ units_listeners.add(l);
+ }
+ }
+
+ public static void unregister_units_listener(AltosUnitsListener l) {
+ synchronized(backend) {
+ units_listeners.remove(l);
+ }
}
}