2 files changed, 99 insertions, 15 deletions

diff --git a/altosui/AltosUIPreferences.java b/altosui/AltosUIPreferences.java
index a026d123..03e8e129 100644
--- a/altosui/AltosUIPreferences.java
+++ b/altosui/AltosUIPreferences.java
@@ -48,12 +48,12 @@ public class AltosUIPreferences extends AltosPreferences {
 	public static void init() {
 		font_listeners = new LinkedList<AltosFontListener>();
 
-		font_size = preferences.getInt(fontSizePreference, Altos.font_size_medium);
+		font_size = backend.getInt(fontSizePreference, Altos.font_size_medium);
 		Altos.set_fonts(font_size);
-		look_and_feel = preferences.get(lookAndFeelPreference, UIManager.getSystemLookAndFeelClassName());
+		look_and_feel = backend.getString(lookAndFeelPreference, UIManager.getSystemLookAndFeelClassName());
 
 		ui_listeners = new LinkedList<AltosUIListener>();
-		serial_debug = preferences.getBoolean(serialDebugPreference, false);
+		serial_debug = backend.getBoolean(serialDebugPreference, false);
 		AltosLink.set_debug(serial_debug);
 	}
 
@@ -107,9 +107,9 @@ public class AltosUIPreferences extends AltosPreferences {
 	}
 
 	public static void set_font_size(int new_font_size) {
-		synchronized (preferences) {
+		synchronized (backend) {
 			font_size = new_font_size;
-			preferences.putInt(fontSizePreference, font_size);
+			backend.putInt(fontSizePreference, font_size);
 			flush_preferences();
 			Altos.set_fonts(font_size);
 			for (AltosFontListener l : font_listeners)
@@ -118,13 +118,13 @@ public class AltosUIPreferences extends AltosPreferences {
 	}
 
 	public static void register_font_listener(AltosFontListener l) {
-		synchronized (preferences) {
+		synchronized (backend) {
 			font_listeners.add(l);
 		}
 	}
 
 	public static void unregister_font_listener(AltosFontListener l) {
-		synchronized (preferences) {
+		synchronized (backend) {
 			font_listeners.remove(l);
 		}
 	}
@@ -134,9 +134,9 @@ public class AltosUIPreferences extends AltosPreferences {
 			UIManager.setLookAndFeel(new_look_and_feel);
 		} catch (Exception e) {
 		}
-		synchronized(preferences) {
+		synchronized(backend) {
 			look_and_feel = new_look_and_feel;
-			preferences.put(lookAndFeelPreference, look_and_feel);
+			backend.putString(lookAndFeelPreference, look_and_feel);
 			flush_preferences();
 			for (AltosUIListener l : ui_listeners)
 				l.ui_changed(look_and_feel);
@@ -150,21 +150,21 @@ public class AltosUIPreferences extends AltosPreferences {
 	}
 
 	public static void register_ui_listener(AltosUIListener l) {
-		synchronized(preferences) {
+		synchronized(backend) {
 			ui_listeners.add(l);
 		}
 	}
 
 	public static void unregister_ui_listener(AltosUIListener l) {
-		synchronized (preferences) {
+		synchronized (backend) {
 			ui_listeners.remove(l);
 		}
 	}
 	public static void set_serial_debug(boolean new_serial_debug) {
-		AltosLink.set_debug(new_serial_debug);
-		synchronized (preferences) {
+		AltosLink.set_debug(serial_debug);
+		synchronized (backend) {
 			serial_debug = new_serial_debug;
-			preferences.putBoolean(serialDebugPreference, serial_debug);
+			backend.putBoolean(serialDebugPreference, serial_debug);
 			flush_preferences();
 		}
 	}
@@ -175,4 +175,4 @@ public class AltosUIPreferences extends AltosPreferences {
 		}
 	}
 
-}
\ No newline at end of file
+}
diff --git a/altosui/AltosUIPreferencesBackend.java b/altosui/AltosUIPreferencesBackend.java
new file mode 100644
index 00000000..16844f37
--- /dev/null
+++ b/altosui/AltosUIPreferencesBackend.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright © 2012 Mike Beattie <mike@ethernal.org>
+ *
+ * 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 altosui;
+
+import java.text.*;
+import java.util.prefs.*;
+import org.altusmetrum.AltosLib.*;
+
+public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
+
+	private Preferences _preferences = null;
+	
+	public AltosUIPreferencesBackend() {
+		_preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
+	}
+
+	public AltosUIPreferencesBackend(Preferences in_preferences) {
+		_preferences = in_preferences;
+	}
+
+	public String  getString(String key, String def) {
+		return _preferences.get(key, def)
+	}
+	public void    putString(String key, String value) {
+		_preferences.put(key, value);
+	}
+
+	public int     getInt(String key, int def) {
+		return _preferences.getInt(key, def);
+	}
+	public void    putInt(String key, int value) {
+		_preferences.putInt(key, value);
+	}
+
+	public double  getDouble(String key, double def) {
+		return _preferences.getDouble(key, def);
+	}
+	public void    putDouble(String key, double value) {
+		_preferences.putDouble(key, value);
+	}
+
+	public boolean getBoolean(String key, boolean def) {
+		return _preferences.getBoolean(key, def);
+	}
+	public void    putBoolean(String key, boolean value) {
+		_preferences.putBoolean(key, value);
+	}
+
+	public boolean nodeExists(String key) {
+		try {
+			return _preferences.nodeExists(key);
+		} catch (BackingStoreException be) {
+			return false;
+		}
+	}
+
+	public AltosPreferencesBackend node(String key) {
+		return new AltosUIPreferencesBackend(_preferences.node(key));
+	}
+
+	public void    flush() {
+		try {
+			_preferences.flush();
+		} catch (BackingStoreException ee) {
+			System.err.printf("Cannot save preferences\n");
+		}
+	}
+
+}
\ No newline at end of file