1 files changed, 117 insertions, 0 deletions
diff --git a/ao-tools/altosui/AltosPreferences.java b/ao-tools/altosui/AltosPreferences.java
new file mode 100644
index 00000000..0296d935
--- /dev/null
+++ b/ao-tools/altosui/AltosPreferences.java
@@ -0,0 +1,117 @@
+/*
+ * 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 altosui;
+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;
+
+class AltosPreferences {
+	static Preferences preferences;
+
+	/* logdir preference name */
+	final static String logdirPreference = "LOGDIR";
+
+	/* Default logdir is ~/TeleMetrum */
+	final static String logdirName = "TeleMetrum";
+
+	/* UI Component to pop dialogs up */
+	static Component component;
+
+	/* Log directory */
+	static File logdir;
+
+	public static void init(Component ui) {
+		preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
+
+		component = ui;
+
+		/* 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();
+		}
+	}
+
+	static void flush_preferences() {
+		try {
+			preferences.flush();
+		} catch (BackingStoreException ee) {
+			JOptionPane.showMessageDialog(component,
+						      preferences.absolutePath(),
+						      "Cannot save prefernces",
+						      JOptionPane.ERROR_MESSAGE);
+		}
+	}
+
+	public static void set_logdir(File new_logdir) {
+		logdir = new_logdir;
+		synchronized (preferences) {
+			preferences.put(logdirPreference, logdir.getPath());
+			flush_preferences();
+		}
+	}
+
+	private static boolean check_dir(File dir) {
+		if (!dir.exists()) {
+			if (!dir.mkdirs()) {
+				JOptionPane.showMessageDialog(component,
+							      dir.getName(),
+							      "Cannot create directory",
+							      JOptionPane.ERROR_MESSAGE);
+				return false;
+			}
+		} else if (!dir.isDirectory()) {
+			JOptionPane.showMessageDialog(component,
+						      dir.getName(),
+						      "Is not a directory",
+						      JOptionPane.ERROR_MESSAGE);
+			return false;
+		}
+		return true;
+	}
+
+	/* Configure the log directory. This is where all telemetry and eeprom files
+	 * will be written to, and where replay will look for telemetry files
+	 */
+	public static void ConfigureLog() {
+		JFileChooser	logdir_chooser = new JFileChooser(logdir.getParentFile());
+
+		logdir_chooser.setDialogTitle("Configure Data Logging Directory");
+		logdir_chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+
+		if (logdir_chooser.showDialog(component, "Select Directory") == JFileChooser.APPROVE_OPTION) {
+			File dir = logdir_chooser.getSelectedFile();
+			if (check_dir(dir))
+				set_logdir(dir);
+		}
+	}
+
+	public static File logdir() {
+		return logdir;
+	}
+}