git.gag.com Git - fw/altos/blob - ao-tools/altosui/AltosPreferences.java

   1 /*
   2  * Copyright © 2010 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package altosui;
  19 import java.io.*;
  20 import java.util.*;
  21 import java.text.*;
  22 import java.util.prefs.*;
  23 import java.util.concurrent.LinkedBlockingQueue;
  24 import java.awt.Component;
  25 import javax.swing.*;
  26 import javax.swing.filechooser.FileSystemView;
  27
  28 class AltosPreferences {
  29         static Preferences preferences;
  30
  31         /* logdir preference name */
  32         final static String logdirPreference = "LOGDIR";
  33
  34         /* channel preference name */
  35         final static String channelPreference = "CHANNEL";
  36
  37         /* voice preference name */
  38         final static String voicePreference = "VOICE";
  39
  40         /* callsign preference name */
  41         final static String callsignPreference = "CALLSIGN";
  42
  43         /* Default logdir is ~/TeleMetrum */
  44         final static String logdirName = "TeleMetrum";
  45
  46         /* UI Component to pop dialogs up */
  47         static Component component;
  48
  49         /* Log directory */
  50         static File logdir;
  51
  52         /* Telemetry channel */
  53         static int channel;
  54
  55         /* Voice preference */
  56         static boolean voice;
  57
  58         static String callsign;
  59
  60         public static void init(Component ui) {
  61                 preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
  62
  63                 component = ui;
  64
  65                 /* Initialize logdir from preferences */
  66                 String logdir_string = preferences.get(logdirPreference, null);
  67                 if (logdir_string != null)
  68                         logdir = new File(logdir_string);
  69                 else {
  70                         /* Use the file system view default directory */
  71                         logdir = new File(FileSystemView.getFileSystemView().getDefaultDirectory(), logdirName);
  72                         if (!logdir.exists())
  73                                 logdir.mkdirs();
  74                 }
  75
  76                 channel = preferences.getInt(channelPreference, 0);
  77
  78                 voice = preferences.getBoolean(voicePreference, true);
  79
  80                 callsign = preferences.get(callsignPreference,"N0CALL");
  81         }
  82
  83         static void flush_preferences() {
  84                 try {
  85                         preferences.flush();
  86                 } catch (BackingStoreException ee) {
  87                         JOptionPane.showMessageDialog(component,
  88                                                       preferences.absolutePath(),
  89                                                       "Cannot save prefernces",
  90                                                       JOptionPane.ERROR_MESSAGE);
  91                 }
  92         }
  93
  94         public static void set_logdir(File new_logdir) {
  95                 logdir = new_logdir;
  96                 synchronized (preferences) {
  97                         preferences.put(logdirPreference, logdir.getPath());
  98                         flush_preferences();
  99                 }
 100         }
 101
 102         private static boolean check_dir(File dir) {
 103                 if (!dir.exists()) {
 104                         if (!dir.mkdirs()) {
 105                                 JOptionPane.showMessageDialog(component,
 106                                                               dir.getName(),
 107                                                               "Cannot create directory",
 108                                                               JOptionPane.ERROR_MESSAGE);
 109                                 return false;
 110                         }
 111                 } else if (!dir.isDirectory()) {
 112                         JOptionPane.showMessageDialog(component,
 113                                                       dir.getName(),
 114                                                       "Is not a directory",
 115                                                       JOptionPane.ERROR_MESSAGE);
 116                         return false;
 117                 }
 118                 return true;
 119         }
 120
 121         /* Configure the log directory. This is where all telemetry and eeprom files
 122          * will be written to, and where replay will look for telemetry files
 123          */
 124         public static void ConfigureLog() {
 125                 JFileChooser    logdir_chooser = new JFileChooser(logdir.getParentFile());
 126
 127                 logdir_chooser.setDialogTitle("Configure Data Logging Directory");
 128                 logdir_chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
 129
 130                 if (logdir_chooser.showDialog(component, "Select Directory") == JFileChooser.APPROVE_OPTION) {
 131                         File dir = logdir_chooser.getSelectedFile();
 132                         if (check_dir(dir))
 133                                 set_logdir(dir);
 134                 }
 135         }
 136
 137         public static File logdir() {
 138                 return logdir;
 139         }
 140
 141         public static void set_channel(int new_channel) {
 142                 channel = new_channel;
 143                 synchronized (preferences) {
 144                         preferences.putInt(channelPreference, channel);
 145                         flush_preferences();
 146                 }
 147         }
 148
 149         public static int channel() {
 150                 return channel;
 151         }
 152
 153         public static void set_voice(boolean new_voice) {
 154                 voice = new_voice;
 155                 synchronized (preferences) {
 156                         preferences.putBoolean(voicePreference, voice);
 157                         flush_preferences();
 158                 }
 159         }
 160
 161         public static boolean voice() {
 162                 return voice;
 163         }
 164
 165         public static void set_callsign(String new_callsign) {
 166                 callsign = new_callsign;
 167                 synchronized(preferences) {
 168                         preferences.put(callsignPreference, callsign);
 169                         flush_preferences();
 170                 }
 171         }
 172
 173         public static String callsign() {
 174                 return callsign;
 175         }
 176 }