altosui: Add dialogs to configure 'common' frequencies

[fw/altos] / altosui / AltosPreferences.java

diff --git a/altosui/AltosPreferences.java b/altosui/AltosPreferences.java
index c8dee743f2318950efc834da3a917d92aa5d0ddd..e92b9532466fa2e11e00dc03291c9425139264da 100644 (file)
--- a/altosui/AltosPreferences.java
+++ b/altosui/AltosPreferences.java
@@ -64,6 +64,9 @@ class AltosPreferences {
        /* Channel (map serial to channel) */
        static Hashtable<Integer, Integer> channels;
 
        /* Channel (map serial to channel) */
        static Hashtable<Integer, Integer> channels;
 

+       /* Frequency (map serial to frequency) */
+       static Hashtable<Integer, Double> frequencies;
+

        /* Telemetry (map serial to telemetry format) */
        static Hashtable<Integer, Integer> telemetries;
 
        /* Telemetry (map serial to telemetry format) */
        static Hashtable<Integer, Integer> telemetries;
 


@@ -79,6 +82,55 @@ class AltosPreferences {
        /* Serial debug */
        static boolean serial_debug;
 
        /* Serial debug */
        static boolean serial_debug;
 

+       /* List of frequencies */
+       final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
+       static AltosFrequency[] common_frequencies;
+
+       final static String     frequency_count = "COUNT";
+       final static String     frequency_format = "FREQUENCY-%d";
+       final static String     description_format = "DESCRIPTION-%d";
+
+       static AltosFrequency[] load_common_frequencies() {
+               AltosFrequency[] frequencies = null;
+               boolean existing = false;
+               try {
+                       existing = preferences.nodeExists(common_frequencies_node_name);
+               } catch (BackingStoreException be) {
+                       existing = false;
+               }
+               if (existing) {
+                       Preferences     node = preferences.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;
+
+                               frequency = node.getDouble(String.format(frequency_format, i), 0.0);
+                               description = node.get(String.format(description_format, i), null);
+                               frequencies[i] = new AltosFrequency(frequency, description);
+                       }
+               } else {
+                       frequencies = new AltosFrequency[10];
+                       for (int i = 0; i < 10; i++) {
+                               frequencies[i] = new AltosFrequency(434.550 + i * .1,
+                                                                          String.format("Channel %d", i));
+                       }
+               }
+               return frequencies;
+       }
+
+       static void save_common_frequencies(AltosFrequency[] frequencies) {
+               Preferences     node = preferences.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);
+               }
+       }
+

        public static void init() {
                preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
 
        public static void init() {
                preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
 


@@ -112,6 +164,8 @@ class AltosPreferences {
 
                serial_debug = preferences.getBoolean(serialDebugPreference, false);
                AltosSerial.set_debug(serial_debug);
 
                serial_debug = preferences.getBoolean(serialDebugPreference, false);
                AltosSerial.set_debug(serial_debug);

+
+               common_frequencies = load_common_frequencies();

        }
 
        static { init(); }
        }
 
        static { init(); }


@@ -273,4 +327,16 @@ class AltosPreferences {
        public static Preferences bt_devices() {
                return preferences.node("bt_devices");
        }
        public static Preferences bt_devices() {
                return preferences.node("bt_devices");
        }

+
+       public static AltosFrequency[] common_frequencies() {
+               return common_frequencies;
+       }
+
+       public static void set_common_frequencies(AltosFrequency[] frequencies) {
+               common_frequencies = frequencies;
+               synchronized(preferences) {
+                       save_common_frequencies(frequencies);
+                       flush_preferences();
+               }
+       }

 }
 }