Finish basic flight monitoring UI with voice using FreeTTS

[fw/altos] / ao-tools / altosui / AltosPreferences.java

diff --git a/ao-tools/altosui/AltosPreferences.java b/ao-tools/altosui/AltosPreferences.java
new file mode 100644 (file)
index 0000000..0296d93
--- /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;
+       }
+}