* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altoslib_5;
+package org.altusmetrum.altoslib_10;
import java.io.*;
import java.util.*;
+import java.text.*;
public class AltosPreferences {
public static AltosPreferencesBackend backend = null;
/* log file format preference name */
public final static String logfilePreferenceFormat = "LOGFILE-%d";
+ /* state preference name */
+ public final static String statePreferenceHead = "STATE-";
+ public final static String statePreferenceFormat = "STATE-%d";
+ public final static String statePreferenceLatest = "STATE-LATEST";
+
/* voice preference name */
public final static String voicePreference = "VOICE";
public final static String frequency_count = "COUNT";
public final static String frequency_format = "FREQUENCY-%d";
public final static String description_format = "DESCRIPTION-%d";
+ public final static String frequenciesPreference = "FREQUENCIES";
/* Units preference */
public final static String unitsPreference = "IMPERIAL-UNITS";
+ /* Maps cache size preference name */
+ final static String mapCachePreference = "MAP-CACHE";
+
+ static LinkedList<AltosMapCacheListener> map_cache_listeners;
+
+ public static int map_cache = 9;
+
+ final static String mapTypePreference = "MAP-TYPE";
+ static int map_type;
+
public static AltosFrequency[] load_common_frequencies() {
+
AltosFrequency[] frequencies = null;
- boolean existing = false;
- existing = backend.nodeExists(common_frequencies_node_name);
- if (existing) {
- AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
- int count = node.getInt(frequency_count, 0);
+ frequencies = (AltosFrequency[]) backend.getSerializable(frequenciesPreference, null);
+
+ if (frequencies == null) {
+ if (backend.nodeExists(common_frequencies_node_name)) {
+ AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
+ int count = node.getInt(frequency_count, 0);
- frequencies = new AltosFrequency[count];
- for (int i = 0; i < count; i++) {
- double frequency;
- String description;
+ frequencies = new AltosFrequency[count];
+ for (int i = 0; i < count; i++) {
+ double frequency;
+ String description;
- frequency = node.getDouble(String.format(frequency_format, i), 0.0);
- description = node.getString(String.format(description_format, i), null);
- frequencies[i] = new AltosFrequency(frequency, description);
+ frequency = node.getDouble(String.format(frequency_format, i), 0.0);
+ description = node.getString(String.format(description_format, i), null);
+ frequencies[i] = new AltosFrequency(frequency, description);
+ }
}
- } else {
+ }
+
+ if (frequencies == null) {
frequencies = new AltosFrequency[10];
for (int i = 0; i < 10; i++) {
frequencies[i] = new AltosFrequency(434.550 + i * .1,
return frequencies;
}
- public static void save_common_frequencies(AltosFrequency[] frequencies) {
- 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.putString(String.format(description_format, i), frequencies[i].description);
- }
- }
public static int launcher_serial;
public static int launcher_channel;
public static void init(AltosPreferencesBackend in_backend) {
+
+ if (backend != null)
+ return;
+
backend = in_backend;
/* Initialize logdir from preferences */
common_frequencies = load_common_frequencies();
AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
+
+ map_cache = backend.getInt(mapCachePreference, 9);
+ map_cache_listeners = new LinkedList<AltosMapCacheListener>();
+ map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
}
public static void flush_preferences() {
}
}
+ public static void set_state(AltosState state) {
+
+ synchronized(backend) {
+ backend.putSerializable(String.format(statePreferenceFormat, state.serial), state);
+ backend.putInt(statePreferenceLatest, state.serial);
+ flush_preferences();
+ }
+ }
+
+ public static ArrayList<Integer> list_states() {
+ String[] keys = backend.keys();
+ ArrayList<Integer> states = new ArrayList<Integer>();
+
+ for (String key : keys) {
+ if (key.startsWith(statePreferenceHead)) {
+ try {
+ int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
+ states.add(serial);
+ } catch (ParseException pe) {
+ }
+ }
+ }
+ return states;
+ }
+
+ public static void remove_state(int serial) {
+ synchronized(backend) {
+ backend.remove(String.format(statePreferenceFormat, serial));
+ }
+ }
+
+ public static int latest_state() {
+ int latest = 0;
+ synchronized (backend) {
+ latest = backend.getInt(statePreferenceLatest, 0);
+ }
+ return latest;
+ }
+
+ public static AltosState state(int serial) {
+ synchronized(backend) {
+ try {
+ return (AltosState) backend.getSerializable(String.format(statePreferenceFormat, serial), null);
+ } catch (Exception e) {
+ return null;
+ }
+ }
+ }
+
public static void set_scanning_telemetry(int new_scanning_telemetry) {
synchronized (backend) {
scanning_telemetry = new_scanning_telemetry;
public static void set_common_frequencies(AltosFrequency[] frequencies) {
synchronized(backend) {
common_frequencies = frequencies;
- save_common_frequencies(frequencies);
+ backend.putSerializable(frequenciesPreference, frequencies);
flush_preferences();
}
}
units_listeners.remove(l);
}
}
+
+
+ public static void register_map_cache_listener(AltosMapCacheListener l) {
+ synchronized(backend) {
+ map_cache_listeners.add(l);
+ }
+ }
+
+ public static void unregister_map_cache_listener(AltosMapCacheListener l) {
+ synchronized (backend) {
+ map_cache_listeners.remove(l);
+ }
+ }
+
+ public static void set_map_cache(int new_map_cache) {
+ synchronized(backend) {
+ map_cache = new_map_cache;
+ backend.putInt(mapCachePreference, map_cache);
+ flush_preferences();
+ for (AltosMapCacheListener l: map_cache_listeners)
+ l.map_cache_changed(map_cache);
+ }
+ }
+
+ public static int map_cache() {
+ synchronized(backend) {
+ return map_cache;
+ }
+ }
+
+ static LinkedList<AltosMapTypeListener> map_type_listeners;
+
+ public static void set_map_type(int map_type) {
+ synchronized(backend) {
+ AltosPreferences.map_type = map_type;
+ backend.putInt(mapTypePreference, map_type);
+ flush_preferences();
+ }
+ if (map_type_listeners != null) {
+ for (AltosMapTypeListener l : map_type_listeners) {
+ l.map_type_changed(map_type);
+ }
+ }
+ }
+
+ public static int map_type() {
+ synchronized(backend) {
+ return map_type;
+ }
+ }
+
+ public static void register_map_type_listener(AltosMapTypeListener l) {
+ synchronized(backend) {
+ if (map_type_listeners == null)
+ map_type_listeners = new LinkedList<AltosMapTypeListener>();
+ map_type_listeners.add(l);
+ }
+ }
+
+ public static void unregister_map_type_listener(AltosMapTypeListener l) {
+ synchronized(backend) {
+ map_type_listeners.remove(l);
+ }
+ }
}