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         /* Default logdir is ~/TeleMetrum */
  41         final static String logdirName = "TeleMetrum";
  42
  43         /* UI Component to pop dialogs up */
  44         static Component component;
  45
  46         /* Log directory */
  47         static File logdir;
  48
  49         /* Telemetry channel */
  50         static int channel;
  51
  52         /* Voice preference */
  53         static boolean voice;
  54
  55         public static void init(Component ui) {
  56                 preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
  57
  58                 component = ui;
  59
  60                 /* Initialize logdir from preferences */
  61                 String logdir_string = preferences.get(logdirPreference, null);
  62                 if (logdir_string != null)
  63                         logdir = new File(logdir_string);
  64                 else {
  65                         /* Use the file system view default directory */
  66                         logdir = new File(FileSystemView.getFileSystemView().getDefaultDirectory(), logdirName);
  67                         if (!logdir.exists())
  68                                 logdir.mkdirs();
  69                 }
  70
  71                 channel = preferences.getInt(channelPreference, 0);
  72
  73                 voice = preferences.getBoolean(voicePreference, true);
  74         }
  75
  76         static void flush_preferences() {
  77                 try {
  78                         preferences.flush();
  79                 } catch (BackingStoreException ee) {
  80                         JOptionPane.showMessageDialog(component,
  81                                                       preferences.absolutePath(),
  82                                                       "Cannot save prefernces",
  83                                                       JOptionPane.ERROR_MESSAGE);
  84                 }
  85         }
  86
  87         public static void set_logdir(File new_logdir) {
  88                 logdir = new_logdir;
  89                 synchronized (preferences) {
  90                         preferences.put(logdirPreference, logdir.getPath());
  91                         flush_preferences();
  92                 }
  93         }
  94
  95         private static boolean check_dir(File dir) {
  96                 if (!dir.exists()) {
  97                         if (!dir.mkdirs()) {
  98                                 JOptionPane.showMessageDialog(component,
  99                                                               dir.getName(),
 100                                                               "Cannot create directory",
 101                                                               JOptionPane.ERROR_MESSAGE);
 102                                 return false;
 103                         }
 104                 } else if (!dir.isDirectory()) {
 105                         JOptionPane.showMessageDialog(component,
 106                                                       dir.getName(),
 107                                                       "Is not a directory",
 108                                                       JOptionPane.ERROR_MESSAGE);
 109                         return false;
 110                 }
 111                 return true;
 112         }
 113
 114         /* Configure the log directory. This is where all telemetry and eeprom files
 115          * will be written to, and where replay will look for telemetry files
 116          */
 117         public static void ConfigureLog() {
 118                 JFileChooser    logdir_chooser = new JFileChooser(logdir.getParentFile());
 119
 120                 logdir_chooser.setDialogTitle("Configure Data Logging Directory");
 121                 logdir_chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
 122
 123                 if (logdir_chooser.showDialog(component, "Select Directory") == JFileChooser.APPROVE_OPTION) {
 124                         File dir = logdir_chooser.getSelectedFile();
 125                         if (check_dir(dir))
 126                                 set_logdir(dir);
 127                 }
 128         }
 129
 130         public static File logdir() {
 131                 return logdir;
 132         }
 133
 134         public static void set_channel(int new_channel) {
 135                 channel = new_channel;
 136                 synchronized (preferences) {
 137                         preferences.putInt(channelPreference, channel);
 138                         flush_preferences();
 139                 }
 140         }
 141
 142         public static int channel() {
 143                 return channel;
 144         }
 145
 146         public static void set_voice(boolean new_voice) {
 147                 voice = new_voice;
 148                 synchronized (preferences) {
 149                         preferences.putBoolean(voicePreference, voice);
 150                         flush_preferences();
 151                 }
 152         }
 153
 154         public static boolean voice() {
 155                 return voice;
 156         }
 157 }