1 files changed, 365 insertions, 0 deletions
diff --git a/altoslib/src/org/altusmetrum/AltosLib/AltosPreferences.java b/altoslib/src/org/altusmetrum/AltosLib/AltosPreferences.java
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+++ b/altoslib/src/org/altusmetrum/AltosLib/AltosPreferences.java
@@ -0,0 +1,365 @@
+/*
+ * Copyright © 2010 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.AltosLib;
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+import java.util.prefs.*;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.awt.Component;
+import javax.swing.*;
+import javax.swing.filechooser.FileSystemView;
+
+public class AltosPreferences {
+	public static Preferences preferences;
+
+	/* logdir preference name */
+	public final static String logdirPreference = "LOGDIR";
+
+	/* channel preference name */
+	public final static String channelPreferenceFormat = "CHANNEL-%d";
+
+	/* frequency preference name */
+	public final static String frequencyPreferenceFormat = "FREQUENCY-%d";
+
+	/* telemetry format preference name */
+	public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
+
+	/* voice preference name */
+	public final static String voicePreference = "VOICE";
+
+	/* callsign preference name */
+	public final static String callsignPreference = "CALLSIGN";
+
+	/* firmware directory preference name */
+	public final static String firmwaredirPreference = "FIRMWARE";
+
+	/* serial debug preference name */
+	public final static String serialDebugPreference = "SERIAL-DEBUG";
+
+	/* scanning telemetry preferences name */
+	public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
+
+	/* Launcher serial preference name */
+	public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
+
+	/* Launcher channel preference name */
+	public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
+	
+	/* Default logdir is ~/TeleMetrum */
+	public final static String logdirName = "TeleMetrum";
+
+	/* Log directory */
+	public static File logdir;
+
+	/* Map directory -- hangs of logdir */
+	public static File mapdir;
+
+	/* Frequency (map serial to frequency) */
+	public static Hashtable<Integer, Double> frequencies;
+
+	/* Telemetry (map serial to telemetry format) */
+	public static Hashtable<Integer, Integer> telemetries;
+
+	/* Voice preference */
+	public static boolean voice;
+
+	/* Callsign preference */
+	public static String callsign;
+
+	/* Firmware directory */
+	public static File firmwaredir;
+
+	/* Scanning telemetry */
+	public static int scanning_telemetry;
+
+	/* List of frequencies */
+	public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
+	public static AltosFrequency[] common_frequencies;
+
+	public final static String	frequency_count = "COUNT";
+	public final static String	frequency_format = "FREQUENCY-%d";
+	public final static String	description_format = "DESCRIPTION-%d";
+
+	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;
+		}
+		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;
+	}
+
+	public 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 int launcher_serial;
+
+	public static int launcher_channel;
+
+	public static void init() {
+		preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
+
+		/* Initialize logdir from preferences */
+		String logdir_string = preferences.get(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);
+			if (!logdir.exists())
+				logdir.mkdirs();
+		}
+		mapdir = new File(logdir, "maps");
+		if (!mapdir.exists())
+			mapdir.mkdirs();
+
+		frequencies = new Hashtable<Integer, Double>();
+
+		telemetries = new Hashtable<Integer,Integer>();
+
+		voice = preferences.getBoolean(voicePreference, true);
+
+		callsign = preferences.get(callsignPreference,"N0CALL");
+
+		scanning_telemetry = preferences.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
+
+		launcher_serial = preferences.getInt(launcherSerialPreference, 0);
+
+		launcher_channel = preferences.getInt(launcherChannelPreference, 0);
+
+		String firmwaredir_string = preferences.get(firmwaredirPreference, null);
+		if (firmwaredir_string != null)
+			firmwaredir = new File(firmwaredir_string);
+		else
+			firmwaredir = null;
+
+		common_frequencies = load_common_frequencies();
+
+	}
+
+	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");
+		}
+	}
+
+	public static void set_logdir(File new_logdir) {
+		logdir = new_logdir;
+		mapdir = new File(logdir, "maps");
+		if (!mapdir.exists())
+			mapdir.mkdirs();
+		synchronized (preferences) {
+			preferences.put(logdirPreference, logdir.getPath());
+			flush_preferences();
+		}
+	}
+
+	public static File logdir() {
+		return logdir;
+	}
+
+	public static File mapdir() {
+		return mapdir;
+	}
+
+	public static void set_frequency(int serial, double new_frequency) {
+		frequencies.put(serial, new_frequency);
+		synchronized (preferences) {
+			preferences.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
+			flush_preferences();
+		}
+	}
+
+	public static double frequency(int serial) {
+		if (frequencies.containsKey(serial))
+			return frequencies.get(serial);
+		double frequency = preferences.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
+		if (frequency == 0.0) {
+			int channel = preferences.getInt(String.format(channelPreferenceFormat, serial), 0);
+			frequency = AltosConvert.radio_channel_to_frequency(channel);
+		}
+		frequencies.put(serial, frequency);
+		return frequency;
+	}
+
+	public static void set_telemetry(int serial, int new_telemetry) {
+		telemetries.put(serial, new_telemetry);
+		synchronized (preferences) {
+			preferences.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
+			flush_preferences();
+		}
+	}
+
+	public static int telemetry(int serial) {
+		if (telemetries.containsKey(serial))
+			return telemetries.get(serial);
+		int telemetry = preferences.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) {
+		scanning_telemetry = new_scanning_telemetry;
+		synchronized (preferences) {
+			preferences.putInt(scanningTelemetryPreference, scanning_telemetry);
+			flush_preferences();
+		}
+	}
+
+	public static int scanning_telemetry() {
+		return scanning_telemetry;
+	}
+
+	public static void set_voice(boolean new_voice) {
+		voice = new_voice;
+		synchronized (preferences) {
+			preferences.putBoolean(voicePreference, voice);
+			flush_preferences();
+		}
+	}
+
+	public static boolean voice() {
+		return voice;
+	}
+
+	public static void set_callsign(String new_callsign) {
+		callsign = new_callsign;
+		synchronized(preferences) {
+			preferences.put(callsignPreference, callsign);
+			flush_preferences();
+		}
+	}
+
+	public static String callsign() {
+		return callsign;
+	}
+
+	public static void set_firmwaredir(File new_firmwaredir) {
+		firmwaredir = new_firmwaredir;
+		synchronized (preferences) {
+			preferences.put(firmwaredirPreference, firmwaredir.getPath());
+			flush_preferences();
+		}
+	}
+
+	public static File firmwaredir() {
+		return firmwaredir;
+	}
+
+	public static void set_launcher_serial(int new_launcher_serial) {
+		launcher_serial = new_launcher_serial;
+		System.out.printf("set launcher serial to %d\n", new_launcher_serial);
+		synchronized (preferences) {
+			preferences.putInt(launcherSerialPreference, launcher_serial);
+			flush_preferences();
+		}
+	}
+
+	public static int launcher_serial() {
+		return launcher_serial;
+	}
+
+	public static void set_launcher_channel(int new_launcher_channel) {
+		launcher_channel = new_launcher_channel;
+		System.out.printf("set launcher channel to %d\n", new_launcher_channel);
+		synchronized (preferences) {
+			preferences.putInt(launcherChannelPreference, launcher_channel);
+			flush_preferences();
+		}
+	}
+
+	public static int launcher_channel() {
+		return launcher_channel;
+	}
+	
+	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();
+		}
+	}
+
+	public static void add_common_frequency(AltosFrequency frequency) {
+		AltosFrequency[]	new_frequencies = new AltosFrequency[common_frequencies.length + 1];
+		int			i;
+
+		for (i = 0; i < common_frequencies.length; i++) {
+			if (frequency.frequency == common_frequencies[i].frequency)
+				return;
+			if (frequency.frequency < common_frequencies[i].frequency)
+				break;
+			new_frequencies[i] = common_frequencies[i];
+		}
+		new_frequencies[i] = frequency;
+		for (; i < common_frequencies.length; i++)
+			new_frequencies[i+1] = common_frequencies[i];
+		set_common_frequencies(new_frequencies);
+	}
+}