tim/prune/save/FileSaver.java

   1 package tim.prune.save;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.CardLayout;
   5 import java.awt.Component;
   6 import java.awt.Dimension;
   7 import java.awt.FlowLayout;
   8 import java.awt.GridLayout;
   9 import java.awt.event.ActionEvent;
  10 import java.awt.event.ActionListener;
  11 import java.io.File;
  12 import java.io.FileWriter;
  13 import java.io.IOException;
  14
  15 import javax.swing.BorderFactory;
  16 import javax.swing.Box;
  17 import javax.swing.BoxLayout;
  18 import javax.swing.ButtonGroup;
  19 import javax.swing.JButton;
  20 import javax.swing.JCheckBox;
  21 import javax.swing.JDialog;
  22 import javax.swing.JFileChooser;
  23 import javax.swing.JFrame;
  24 import javax.swing.JLabel;
  25 import javax.swing.JOptionPane;
  26 import javax.swing.JPanel;
  27 import javax.swing.JRadioButton;
  28 import javax.swing.JScrollPane;
  29 import javax.swing.JTable;
  30 import javax.swing.JTextField;
  31 import javax.swing.ListSelectionModel;
  32 import javax.swing.table.TableModel;
  33
  34 import tim.prune.App;
  35 import tim.prune.Config;
  36 import tim.prune.I18nManager;
  37 import tim.prune.UpdateMessageBroker;
  38 import tim.prune.data.Altitude;
  39 import tim.prune.data.Coordinate;
  40 import tim.prune.data.DataPoint;
  41 import tim.prune.data.Field;
  42 import tim.prune.data.FieldList;
  43 import tim.prune.data.Timestamp;
  44 import tim.prune.data.Track;
  45 import tim.prune.load.GenericFileFilter;
  46 import tim.prune.load.OneCharDocument;
  47
  48 /**
  49  * Class to manage the saving of track data
  50  * into a user-specified file
  51  */
  52 public class FileSaver
  53 {
  54         private App _app = null;
  55         private JFrame _parentFrame = null;
  56         private Track _track = null;
  57         private JDialog _dialog = null;
  58         private JFileChooser _fileChooser = null;
  59         private JPanel _cards = null;
  60         private JButton _nextButton = null, _backButton = null;
  61         private JTable _table = null;
  62         private FieldSelectionTableModel _model = null;
  63         private JButton _moveUpButton = null, _moveDownButton = null;
  64         private UpDownToggler _toggler = null;
  65         private JRadioButton[] _delimiterRadios = null;
  66         private JTextField _otherDelimiterText = null;
  67         private JCheckBox _headerRowCheckbox = null;
  68         private PointTypeSelector _pointTypeSelector = null;
  69         private JRadioButton[] _coordUnitsRadios = null;
  70         private JRadioButton[] _altitudeUnitsRadios = null;
  71         private JRadioButton[] _timestampUnitsRadios = null;
  72
  73         private static final int[] FORMAT_COORDS = {Coordinate.FORMAT_NONE, Coordinate.FORMAT_DEG_MIN_SEC,
  74                 Coordinate.FORMAT_DEG_MIN, Coordinate.FORMAT_DEG};
  75         private static final Altitude.Format[] FORMAT_ALTS = {Altitude.Format.NO_FORMAT, Altitude.Format.METRES, Altitude.Format.FEET};
  76         private static final int[] FORMAT_TIMES = {Timestamp.FORMAT_ORIGINAL, Timestamp.FORMAT_LOCALE, Timestamp.FORMAT_ISO_8601};
  77
  78
  79         /**
  80          * Constructor
  81          * @param inApp application object to inform of success
  82          * @param inParentFrame parent frame
  83          * @param inTrack track object to save
  84          */
  85         public FileSaver(App inApp, JFrame inParentFrame, Track inTrack)
  86         {
  87                 _app = inApp;
  88                 _parentFrame = inParentFrame;
  89                 _track = inTrack;
  90         }
  91
  92
  93         /**
  94          * Show the save file dialog
  95          * @param inDefaultDelimiter default delimiter to use
  96          */
  97         public void showDialog(char inDefaultDelimiter)
  98         {
  99                 if (_dialog == null)
 100                 {
 101                         _dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.saveoptions.title"), true);
 102                         _dialog.setLocationRelativeTo(_parentFrame);
 103                         _dialog.getContentPane().add(makeDialogComponents());
 104                         _dialog.pack();
 105                 }
 106                 // Check field list
 107                 FieldList fieldList = _track.getFieldList();
 108                 int numFields = fieldList.getNumFields();
 109                 _model = new FieldSelectionTableModel(numFields);
 110                 for (int i=0; i<numFields; i++)
 111                 {
 112                         Field field = fieldList.getField(i);
 113                         FieldInfo info = new FieldInfo(field, _track.hasData(field));
 114                         _model.addFieldInfo(info, i);
 115                 }
 116                 // Initialise dialog and show it
 117                 initDialog(_model, inDefaultDelimiter);
 118                 _dialog.setVisible(true);
 119         }
 120
 121
 122         /**
 123          * Make the dialog components
 124          * @return the GUI components for the save dialog
 125          */
 126         private Component makeDialogComponents()
 127         {
 128                 JPanel panel = new JPanel();
 129                 panel.setLayout(new BorderLayout());
 130                 _cards = new JPanel();
 131                 _cards.setLayout(new CardLayout());
 132                 panel.add(_cards, BorderLayout.CENTER);
 133
 134                 // Make first card for field selection and delimiter
 135                 JPanel firstCard = new JPanel();
 136                 firstCard.setLayout(new BoxLayout(firstCard, BoxLayout.Y_AXIS));
 137                 JPanel tablePanel = new JPanel();
 138                 tablePanel.setLayout(new BorderLayout());
 139                 _table = new JTable();
 140                 _table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 141                 // Enclose table in a scrollpane to prevent other components getting lost
 142                 JScrollPane scrollPane = new JScrollPane(_table);
 143                 _table.setPreferredScrollableViewportSize(new Dimension(300, 150));
 144                 tablePanel.add(scrollPane, BorderLayout.CENTER);
 145
 146                 // Make a panel to hold the table and up/down buttons
 147                 JPanel fieldsPanel = new JPanel();
 148                 fieldsPanel.setLayout(new BorderLayout());
 149                 fieldsPanel.add(tablePanel, BorderLayout.CENTER);
 150                 JPanel updownPanel = new JPanel();
 151                 updownPanel.setLayout(new BoxLayout(updownPanel, BoxLayout.Y_AXIS));
 152                 _moveUpButton = new JButton(I18nManager.getText("button.moveup"));
 153                 _moveUpButton.addActionListener(new ActionListener() {
 154                         public void actionPerformed(ActionEvent e)
 155                         {
 156                                 int row = _table.getSelectedRow();
 157                                 if (row > 0)
 158                                 {
 159                                         _model.swapItems(row, row - 1);
 160                                         _table.setRowSelectionInterval(row - 1, row - 1);
 161                                 }
 162                         }
 163                 });
 164                 _moveUpButton.setEnabled(false);
 165                 updownPanel.add(_moveUpButton);
 166                 _moveDownButton = new JButton(I18nManager.getText("button.movedown"));
 167                 _moveDownButton.addActionListener(new ActionListener() {
 168                         public void actionPerformed(ActionEvent e)
 169                         {
 170                                 int row = _table.getSelectedRow();
 171                                 if (row > -1 && row < (_model.getRowCount() - 1))
 172                                 {
 173                                         _model.swapItems(row, row + 1);
 174                                         _table.setRowSelectionInterval(row + 1, row + 1);
 175                                 }
 176                         }
 177                 });
 178                 _moveDownButton.setEnabled(false);
 179                 updownPanel.add(_moveDownButton);
 180                 fieldsPanel.add(updownPanel, BorderLayout.EAST);
 181                 // enable/disable buttons based on table row selection
 182                 _toggler = new UpDownToggler(_moveUpButton, _moveDownButton);
 183                 _table.getSelectionModel().addListSelectionListener(_toggler);
 184
 185                 // Add fields panel and the delimiter panel to first card in pack
 186                 JLabel saveOptionsLabel = new JLabel(I18nManager.getText("dialog.save.fieldstosave"));
 187                 saveOptionsLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 188                 firstCard.add(saveOptionsLabel);
 189                 fieldsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 190                 firstCard.add(fieldsPanel);
 191                 firstCard.add(Box.createRigidArea(new Dimension(0,10)));
 192
 193                 // delimiter panel
 194                 JLabel delimLabel = new JLabel(I18nManager.getText("dialog.delimiter.label"));
 195                 delimLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 196                 firstCard.add(delimLabel);
 197                 JPanel delimsPanel = new JPanel();
 198                 delimsPanel.setLayout(new GridLayout(0, 2));
 199                 delimsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 200                 // radio buttons
 201                 _delimiterRadios = new JRadioButton[5];
 202                 _delimiterRadios[0] = new JRadioButton(I18nManager.getText("dialog.delimiter.comma"));
 203                 delimsPanel.add(_delimiterRadios[0]);
 204                 _delimiterRadios[1] = new JRadioButton(I18nManager.getText("dialog.delimiter.tab"));
 205                 delimsPanel.add(_delimiterRadios[1]);
 206                 _delimiterRadios[2] = new JRadioButton(I18nManager.getText("dialog.delimiter.semicolon"));
 207                 delimsPanel.add(_delimiterRadios[2]);
 208                 _delimiterRadios[3] = new JRadioButton(I18nManager.getText("dialog.delimiter.space"));
 209                 delimsPanel.add(_delimiterRadios[3]);
 210                 JPanel otherPanel = new JPanel();
 211                 otherPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
 212                 _delimiterRadios[4] = new JRadioButton(I18nManager.getText("dialog.delimiter.other"));
 213                 otherPanel.add(_delimiterRadios[4]);
 214                 _otherDelimiterText = new JTextField(new OneCharDocument(), null, 2);
 215                 otherPanel.add(_otherDelimiterText);
 216                 // Group radio buttons
 217                 ButtonGroup delimGroup = new ButtonGroup();
 218                 for (int i=0; i<_delimiterRadios.length; i++)
 219                 {
 220                         delimGroup.add(_delimiterRadios[i]);
 221                 }
 222                 delimsPanel.add(otherPanel);
 223                 firstCard.add(delimsPanel);
 224
 225                 // header checkbox
 226                 firstCard.add(Box.createRigidArea(new Dimension(0,10)));
 227                 _headerRowCheckbox = new JCheckBox(I18nManager.getText("dialog.save.headerrow"), true);
 228                 firstCard.add(_headerRowCheckbox);
 229                 _cards.add(firstCard, "card1");
 230
 231                 // Second card
 232                 JPanel secondCard = new JPanel();
 233                 secondCard.setLayout(new BorderLayout());
 234                 JPanel secondCardHolder = new JPanel();
 235                 secondCardHolder.setLayout(new BoxLayout(secondCardHolder, BoxLayout.Y_AXIS));
 236                 // point type selector
 237                 secondCardHolder.add(Box.createRigidArea(new Dimension(0,10)));
 238                 _pointTypeSelector = new PointTypeSelector();
 239                 _pointTypeSelector.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 240                 secondCardHolder.add(_pointTypeSelector);
 241                 JLabel coordLabel = new JLabel(I18nManager.getText("dialog.save.coordinateunits"));
 242                 coordLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 243                 secondCardHolder.add(coordLabel);
 244                 JPanel coordsUnitsPanel = new JPanel();
 245                 coordsUnitsPanel.setBorder(BorderFactory.createEtchedBorder());
 246                 coordsUnitsPanel.setLayout(new GridLayout(0, 2));
 247                 _coordUnitsRadios = new JRadioButton[4];
 248                 _coordUnitsRadios[0] = new JRadioButton(I18nManager.getText("units.original"));
 249                 _coordUnitsRadios[1] = new JRadioButton(I18nManager.getText("units.degminsec"));
 250                 _coordUnitsRadios[2] = new JRadioButton(I18nManager.getText("units.degmin"));
 251                 _coordUnitsRadios[3] = new JRadioButton(I18nManager.getText("units.deg"));
 252                 ButtonGroup coordGroup = new ButtonGroup();
 253                 for (int i=0; i<4; i++)
 254                 {
 255                         coordGroup.add(_coordUnitsRadios[i]);
 256                         coordsUnitsPanel.add(_coordUnitsRadios[i]);
 257                         _coordUnitsRadios[i].setSelected(i==0);
 258                 }
 259                 coordsUnitsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 260                 secondCardHolder.add(coordsUnitsPanel);
 261                 secondCardHolder.add(Box.createRigidArea(new Dimension(0,7)));
 262                 // altitude units
 263                 JLabel altUnitsLabel = new JLabel(I18nManager.getText("dialog.save.altitudeunits"));
 264                 altUnitsLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 265                 secondCardHolder.add(altUnitsLabel);
 266                 JPanel altUnitsPanel = new JPanel();
 267                 altUnitsPanel.setBorder(BorderFactory.createEtchedBorder());
 268                 altUnitsPanel.setLayout(new GridLayout(0, 2));
 269                 _altitudeUnitsRadios = new JRadioButton[3];
 270                 _altitudeUnitsRadios[0] = new JRadioButton(I18nManager.getText("units.original"));
 271                 _altitudeUnitsRadios[1] = new JRadioButton(I18nManager.getText("units.metres"));
 272                 _altitudeUnitsRadios[2] = new JRadioButton(I18nManager.getText("units.feet"));
 273                 ButtonGroup altGroup = new ButtonGroup();
 274                 for (int i=0; i<3; i++)
 275                 {
 276                         altGroup.add(_altitudeUnitsRadios[i]);
 277                         altUnitsPanel.add(_altitudeUnitsRadios[i]);
 278                         _altitudeUnitsRadios[i].setSelected(i==0);
 279                 }
 280                 altUnitsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 281                 secondCardHolder.add(altUnitsPanel);
 282                 secondCardHolder.add(Box.createRigidArea(new Dimension(0,7)));
 283                 // Selection of format of timestamps
 284                 JLabel timestampLabel = new JLabel(I18nManager.getText("dialog.save.timestampformat"));
 285                 timestampLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 286                 secondCardHolder.add(timestampLabel);
 287                 JPanel timestampPanel = new JPanel();
 288                 timestampPanel.setBorder(BorderFactory.createEtchedBorder());
 289                 timestampPanel.setLayout(new GridLayout(0, 2));
 290                 _timestampUnitsRadios = new JRadioButton[3];
 291                 _timestampUnitsRadios[0] = new JRadioButton(I18nManager.getText("units.original"));
 292                 _timestampUnitsRadios[1] = new JRadioButton(I18nManager.getText("units.default"));
 293                 _timestampUnitsRadios[2] = new JRadioButton(I18nManager.getText("units.iso8601"));
 294                 ButtonGroup timeGroup = new ButtonGroup();
 295                 for (int i=0; i<3; i++)
 296                 {
 297                         timeGroup.add(_timestampUnitsRadios[i]);
 298                         timestampPanel.add(_timestampUnitsRadios[i]);
 299                         _timestampUnitsRadios[i].setSelected(i==0);
 300                 }
 301                 timestampPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 302                 secondCardHolder.add(timestampPanel);
 303                 secondCard.add(secondCardHolder, BorderLayout.NORTH);
 304                 _cards.add(secondCard, "card2");
 305
 306                 // Put together with ok/cancel buttons on the bottom
 307                 JPanel buttonPanel = new JPanel();
 308                 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 309                 _backButton = new JButton(I18nManager.getText("button.back"));
 310                 _backButton.addActionListener(new ActionListener() {
 311                         public void actionPerformed(ActionEvent e)
 312                         {
 313                                 CardLayout cl = (CardLayout) _cards.getLayout();
 314                                 cl.previous(_cards);
 315                                 _backButton.setEnabled(false);
 316                                 _nextButton.setEnabled(true);
 317                         }
 318                 });
 319                 _backButton.setEnabled(false);
 320                 buttonPanel.add(_backButton);
 321                 _nextButton = new JButton(I18nManager.getText("button.next"));
 322                 _nextButton.setEnabled(true);
 323                 _nextButton.addActionListener(new ActionListener() {
 324                         public void actionPerformed(ActionEvent e)
 325                         {
 326                                 CardLayout cl = (CardLayout) _cards.getLayout();
 327                                 cl.next(_cards);
 328                                 _backButton.setEnabled(true);
 329                                 _nextButton.setEnabled(false);
 330                         }
 331                 });
 332                 buttonPanel.add(_nextButton);
 333                 JButton okButton = new JButton(I18nManager.getText("button.finish"));
 334                 okButton.addActionListener(new ActionListener() {
 335                         public void actionPerformed(ActionEvent e)
 336                         {
 337                                 if (saveToFile())
 338                                 {
 339                                         _dialog.dispose();
 340                                 }
 341                         }
 342                 });
 343                 buttonPanel.add(okButton);
 344                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 345                 cancelButton.addActionListener(new ActionListener() {
 346                         public void actionPerformed(ActionEvent e)
 347                         {
 348                                 _dialog.dispose();
 349                         }
 350                 });
 351                 buttonPanel.add(cancelButton);
 352                 panel.add(buttonPanel, BorderLayout.SOUTH);
 353                 return panel;
 354         }
 355
 356         /**
 357          * Initialize the dialog with the given details
 358          * @param inModel table model
 359          * @param inDefaultDelimiter default delimiter character
 360          */
 361         private void initDialog(TableModel inModel, char inDefaultDelimiter)
 362         {
 363                 // set table model
 364                 _table.setModel(inModel);
 365                 // reset toggler
 366                 _toggler.setListSize(inModel.getRowCount());
 367                 // choose last-used delimiter as default
 368                 switch (inDefaultDelimiter)
 369                 {
 370                         case ','  : _delimiterRadios[0].setSelected(true); break;
 371                         case '\t' : _delimiterRadios[1].setSelected(true); break;
 372                         case ';'  : _delimiterRadios[2].setSelected(true); break;
 373                         case ' '  : _delimiterRadios[3].setSelected(true); break;
 374                         default   : _delimiterRadios[4].setSelected(true);
 375                                                 _otherDelimiterText.setText("" + inDefaultDelimiter);
 376                 }
 377                 _pointTypeSelector.init(_app.getTrackInfo());
 378                 // set card and enable buttons
 379                 CardLayout cl = (CardLayout) _cards.getLayout();
 380                 cl.first(_cards);
 381                 _nextButton.setEnabled(true);
 382                 _backButton.setEnabled(false);
 383         }
 384
 385
 386         /**
 387          * Save the track to file with the chosen options
 388          * @return true if successful or cancelled, false if failed
 389          */
 390         private boolean saveToFile()
 391         {
 392                 // TODO: Shorten method
 393                 if (!_pointTypeSelector.getAnythingSelected()) {return false;}
 394                 boolean saveOK = true;
 395                 FileWriter writer = null;
 396                 if (_fileChooser == null)
 397                 {
 398                         _fileChooser = new JFileChooser();
 399                         _fileChooser.setDialogType(JFileChooser.SAVE_DIALOG);
 400                         _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.txt", new String[] {"txt", "text"}));
 401                         _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.gpx", new String[] {"gpx"}));
 402                         _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.kml", new String[] {"kml"}));
 403                         _fileChooser.setAcceptAllFileFilterUsed(true);
 404                         // start from directory in config which should be set
 405                         String configDir = Config.getConfigString(Config.KEY_TRACK_DIR);
 406                         if (configDir == null) {configDir = Config.getConfigString(Config.KEY_PHOTO_DIR);}
 407                         if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
 408                 }
 409                 if (_fileChooser.showSaveDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
 410                 {
 411                         File saveFile = _fileChooser.getSelectedFile();
 412                         String lineSeparator = System.getProperty("line.separator");
 413                         // Get coordinate format and altitude format
 414                         int coordFormat = Coordinate.FORMAT_NONE;
 415                         for (int i=0; i<_coordUnitsRadios.length; i++)
 416                                 if (_coordUnitsRadios[i].isSelected())
 417                                         coordFormat = FORMAT_COORDS[i];
 418                         Altitude.Format altitudeFormat = Altitude.Format.NO_FORMAT;
 419                         for (int i=0; i<_altitudeUnitsRadios.length; i++)
 420                         {
 421                                 if (_altitudeUnitsRadios[i].isSelected())
 422                                 {
 423                                         altitudeFormat = FORMAT_ALTS[i];
 424                                 }
 425                         }
 426                         // Get timestamp formats
 427                         int timestampFormat = Timestamp.FORMAT_ORIGINAL;
 428                         for (int i=0; i<_timestampUnitsRadios.length; i++)
 429                         {
 430                                 if (_timestampUnitsRadios[i].isSelected())
 431                                 {
 432                                         timestampFormat = FORMAT_TIMES[i];
 433                                 }
 434                         }
 435
 436                         // Check if file exists, and confirm overwrite if necessary
 437                         Object[] buttonTexts = {I18nManager.getText("button.overwrite"), I18nManager.getText("button.cancel")};
 438                         if (!saveFile.exists() || JOptionPane.showOptionDialog(_parentFrame,
 439                                         I18nManager.getText("dialog.save.overwrite.text"),
 440                                         I18nManager.getText("dialog.save.overwrite.title"), JOptionPane.YES_NO_OPTION,
 441                                         JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1])
 442                                 == JOptionPane.YES_OPTION)
 443                         {
 444                                 try
 445                                 {
 446                                         // Create output file
 447                                         writer = new FileWriter(saveFile);
 448                                         // Determine delimiter character to use
 449                                         char delimiter = getDelimiter();
 450                                         FieldInfo info = null;
 451                                         Field field = null;
 452
 453                                         StringBuffer buffer = null;
 454                                         int numFields = _model.getRowCount();
 455                                         boolean firstField = true;
 456                                         // Write header row if required
 457                                         if (_headerRowCheckbox.isSelected())
 458                                         {
 459                                                 buffer = new StringBuffer();
 460                                                 for (int f=0; f<numFields; f++)
 461                                                 {
 462                                                         info = _model.getFieldInfo(f);
 463                                                         if (info.isSelected())
 464                                                         {
 465                                                                 if (!firstField)
 466                                                                 {
 467                                                                         // output field separator
 468                                                                         buffer.append(delimiter);
 469                                                                 }
 470                                                                 field = info.getField();
 471                                                                 buffer.append(field.getName());
 472                                                                 firstField = false;
 473                                                         }
 474                                                 }
 475                                                 writer.write(buffer.toString());
 476                                                 writer.write(lineSeparator);
 477                                         }
 478
 479                                         // Loop over points outputting each in turn to buffer
 480                                         final int numPoints = _track.getNumPoints();
 481                                         int numSaved = 0;
 482                                         for (int p=0; p<numPoints; p++)
 483                                         {
 484                                                 DataPoint point = _track.getPoint(p);
 485                                                 boolean savePoint = ((point.isWaypoint() && _pointTypeSelector.getWaypointsSelected())
 486                                                         || (!point.isWaypoint() && point.getPhoto()==null && _pointTypeSelector.getTrackpointsSelected())
 487                                                         || (!point.isWaypoint() && point.getPhoto()!=null && _pointTypeSelector.getPhotopointsSelected()));
 488                                                 if (!savePoint) {continue;}
 489                                                 numSaved++;
 490                                                 firstField = true;
 491                                                 buffer = new StringBuffer();
 492                                                 for (int f=0; f<numFields; f++)
 493                                                 {
 494                                                         info = _model.getFieldInfo(f);
 495                                                         if (info.isSelected())
 496                                                         {
 497                                                                 if (!firstField)
 498                                                                 {
 499                                                                         // output field separator
 500                                                                         buffer.append(delimiter);
 501                                                                 }
 502                                                                 field = info.getField();
 503                                                                 // Output field according to type
 504                                                                 if (field == Field.LATITUDE)
 505                                                                 {
 506                                                                         buffer.append(point.getLatitude().output(coordFormat));
 507                                                                 }
 508                                                                 else if (field == Field.LONGITUDE)
 509                                                                 {
 510                                                                         buffer.append(point.getLongitude().output(coordFormat));
 511                                                                 }
 512                                                                 else if (field == Field.ALTITUDE)
 513                                                                 {
 514                                                                         try
 515                                                                         {
 516                                                                                 buffer.append(point.getAltitude().getStringValue(altitudeFormat));
 517                                                                         }
 518                                                                         catch (NullPointerException npe) {}
 519                                                                 }
 520                                                                 else if (field == Field.TIMESTAMP)
 521                                                                 {
 522                                                                         if (point.hasTimestamp())
 523                                                                         {
 524                                                                                 if (timestampFormat == Timestamp.FORMAT_ORIGINAL) {
 525                                                                                         // output original string
 526                                                                                         buffer.append(point.getFieldValue(Field.TIMESTAMP));
 527                                                                                 }
 528                                                                                 else {
 529                                                                                         // format value accordingly
 530                                                                                         buffer.append(point.getTimestamp().getText(timestampFormat));
 531                                                                                 }
 532                                                                         }
 533                                                                 }
 534                                                                 else
 535                                                                 {
 536                                                                         String value = point.getFieldValue(field);
 537                                                                         if (value != null)
 538                                                                         {
 539                                                                                 buffer.append(value);
 540                                                                         }
 541                                                                 }
 542                                                                 firstField = false;
 543                                                         }
 544                                                 }
 545                                                 // Output to file
 546                                                 writer.write(buffer.toString());
 547                                                 writer.write(lineSeparator);
 548                                         }
 549                                         // Store directory in config for later
 550                                         Config.setConfigString(Config.KEY_TRACK_DIR, saveFile.getParentFile().getAbsolutePath());
 551                                         // Save successful
 552                                         UpdateMessageBroker.informSubscribers(I18nManager.getText("confirm.save.ok1")
 553                                                  + " " + numSaved + " " + I18nManager.getText("confirm.save.ok2")
 554                                                  + " " + saveFile.getAbsolutePath());
 555                                         _app.informDataSaved();
 556                                 }
 557                                 catch (IOException ioe)
 558                                 {
 559                                         saveOK = false;
 560                                         _app.showErrorMessageNoLookup("error.save.dialogtitle",
 561                                                 I18nManager.getText("error.save.failed") + " : " + ioe.getMessage());
 562                                 }
 563                                 finally
 564                                 {
 565                                         // try to close file if it's open
 566                                         try {
 567                                                 if (writer != null) {
 568                                                         writer.close();
 569                                                 }
 570                                         }
 571                                         catch (Exception e) {}
 572                                 }
 573                         }
 574                         else
 575                         {
 576                                 // Overwrite file confirm cancelled
 577                                 saveOK = false;
 578                         }
 579                 }
 580                 return saveOK;
 581         }
 582
 583
 584         /**
 585          * @return the selected delimiter character
 586          */
 587         private char getDelimiter()
 588         {
 589                 // Check the preset 4 delimiters
 590                 final char[] delimiters = {',', '\t', ';', ' '};
 591                 for (int i=0; i<4; i++)
 592                 {
 593                         if (_delimiterRadios[i].isSelected())
 594                         {
 595                                 return delimiters[i];
 596                         }
 597                 }
 598                 // Wasn't any of those so must be 'other'
 599                 return _otherDelimiterText.getText().charAt(0);
 600         }
 601 }