src/tim/prune/function/settings/SaveConfig.java

   1 package tim.prune.function.settings;
   2
   3 import java.awt.Rectangle;
   4 import java.io.File;
   5 import java.io.FileOutputStream;
   6 import java.io.IOException;
   7
   8 import javax.swing.JFileChooser;
   9
  10 import tim.prune.App;
  11 import tim.prune.GenericFunction;
  12 import tim.prune.I18nManager;
  13 import tim.prune.config.Config;
  14 import tim.prune.data.DoubleRange;
  15 import tim.prune.data.Track;
  16
  17 /**
  18  * Class to provide the function to save the config settings
  19  */
  20 public class SaveConfig extends GenericFunction
  21 {
  22         /**
  23          * Constructor
  24          * @param inApp application object for callback
  25          */
  26         public SaveConfig(App inApp)
  27         {
  28                 super(inApp);
  29         }
  30
  31         /** Get the name key */
  32         public String getNameKey() {
  33                 return "function.saveconfig";
  34         }
  35
  36         /**
  37          * Begin the function
  38          */
  39         public void begin()
  40         {
  41                 File configFile = Config.getConfigFile();
  42                 if (configFile == null) {configFile = Config.HOME_CONFIG_FILE;}
  43                 JFileChooser chooser = new JFileChooser(configFile.getAbsoluteFile().getParent());
  44                 chooser.setSelectedFile(configFile);
  45                 int response = chooser.showSaveDialog(_parentFrame);
  46                 if (response == JFileChooser.APPROVE_OPTION)
  47                 {
  48                         File saveFile = chooser.getSelectedFile();
  49                         saveConfig(saveFile);
  50                 }
  51         }
  52
  53         /**
  54          * Autosave the settings file without any prompts
  55          */
  56         public void silentSave()
  57         {
  58                 saveConfig(Config.getConfigFile());
  59         }
  60
  61         /**
  62          * Autosave has been turned on or off, so maybe need to save
  63          * @param inSaveOn true if autosave was switched on
  64          */
  65         public void autosaveSwitched(boolean inSaveOn)
  66         {
  67                 File configFile = Config.getConfigFile();
  68                 if (inSaveOn && configFile == null)
  69                 {
  70                         begin();
  71                 }
  72                 else if (!inSaveOn && configFile != null)
  73                 {
  74                         // TODO: Ask whether to save or not?
  75                         silentSave();
  76                 }
  77         }
  78
  79         /**
  80          * Actually save the config file
  81          * @param inSaveFile file to save to
  82          */
  83         private void saveConfig(File inSaveFile)
  84         {
  85                 // Set current window position in config
  86                 Rectangle currBounds = _app.getFrame().getBounds();
  87                 String windowBounds = "" + currBounds.x + "x" + currBounds.y + "x"
  88                         + currBounds.width + "x" + currBounds.height;
  89                 Config.setConfigString(Config.KEY_WINDOW_BOUNDS, windowBounds);
  90
  91                 final String latlonString = createLatLonStringForConfig();
  92                 if (latlonString != null)
  93                 {
  94                         Config.setConfigString(Config.KEY_LATLON_RANGE, latlonString);
  95                 }
  96
  97                 FileOutputStream outStream = null;
  98                 try
  99                 {
 100                         outStream = new FileOutputStream(inSaveFile);
 101                         Config.getAllConfig().store(outStream, "GpsPrune config file");
 102                 }
 103                 catch (IOException ioe) {
 104                         _app.showErrorMessageNoLookup(getNameKey(),
 105                                 I18nManager.getText("error.save.failed") + " : " + ioe.getMessage());
 106                 }
 107                 catch (NullPointerException npe) {} // no config file given
 108                 finally {
 109                         try {outStream.close();} catch (Exception e) {}
 110                 }
 111                 // Remember where it was saved to
 112                 Config.setConfigFile(inSaveFile);
 113         }
 114
 115         /**
 116          * @return semicolon-separated string containing the four values, or null
 117          */
 118         private String createLatLonStringForConfig()
 119         {
 120                 Track track = _app.getTrackInfo().getTrack();
 121                 if (track.getNumPoints() >= 2)
 122                 {
 123                         final DoubleRange latRange = track.getLatRange();
 124                         final DoubleRange lonRange = track.getLonRange();
 125                         if (latRange.getRange() > 0.0 && lonRange.getRange() > 0.0)
 126                         {
 127                                 StringBuffer buffer = new StringBuffer();
 128                                 buffer.append(Double.toString(latRange.getMinimum()));
 129                                 buffer.append(';');
 130                                 buffer.append(Double.toString(latRange.getMaximum()));
 131                                 buffer.append(';');
 132                                 buffer.append(Double.toString(lonRange.getMinimum()));
 133                                 buffer.append(';');
 134                                 buffer.append(Double.toString(lonRange.getMaximum()));
 135                                 return buffer.toString();
 136                         }
 137                 }
 138                 return null;
 139         }
 140 }