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.I18nManager;
  36 import tim.prune.UpdateMessageBroker;
  37 import tim.prune.config.Config;
  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.RecentFile;
  44 import tim.prune.data.Timestamp;
  45 import tim.prune.data.Track;
  46 import tim.prune.load.GenericFileFilter;
  47 import tim.prune.load.OneCharDocument;
  48
  49 /**
  50  * Class to manage the saving of track data
  51  * as text into a user-specified file
  52  */
  53 public class FileSaver
  54 {
  55         private App _app = null;
  56         private JFrame _parentFrame = 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          */
  84         public FileSaver(App inApp, JFrame inParentFrame)
  85         {
  86                 _app = inApp;
  87                 _parentFrame = inParentFrame;
  88         }
  89
  90
  91         /**
  92          * Show the save file dialog
  93          * @param inDefaultDelimiter default delimiter to use
  94          */
  95         public void showDialog(char inDefaultDelimiter)
  96         {
  97                 if (_dialog == null)
  98                 {
  99                         _dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.saveoptions.title"), true);
 100                         _dialog.setLocationRelativeTo(_parentFrame);
 101                         _dialog.getContentPane().add(makeDialogComponents());
 102                         _dialog.pack();
 103                 }
 104                 // Check field list
 105                 Track track = _app.getTrackInfo().getTrack();
 106                 FieldList fieldList = track.getFieldList();
 107                 int numFields = fieldList.getNumFields();
 108                 _model = new FieldSelectionTableModel(numFields);
 109                 for (int i=0; i<numFields; i++)
 110                 {
 111                         Field field = fieldList.getField(i);
 112                         FieldInfo info = new FieldInfo(field, track.hasData(field));
 113                         _model.addFieldInfo(info, i);
 114                 }
 115                 // Initialise dialog and show it
 116                 initDialog(_model, inDefaultDelimiter);
 117                 _dialog.setVisible(true);
 118         }
 119
 120
 121         /**
 122          * Make the dialog components
 123          * @return the GUI components for the save dialog
 124          */
 125         private Component makeDialogComponents()
 126         {
 127                 JPanel panel = new JPanel();
 128                 panel.setLayout(new BorderLayout());
 129                 _cards = new JPanel();
 130                 _cards.setLayout(new CardLayout());
 131                 panel.add(_cards, BorderLayout.CENTER);
 132
 133                 // Make first card for field selection and delimiter
 134                 JPanel firstCard = new JPanel();
 135                 firstCard.setLayout(new BoxLayout(firstCard, BoxLayout.Y_AXIS));
 136                 JPanel tablePanel = new JPanel();
 137                 tablePanel.setLayout(new BorderLayout());
 138                 _table = new JTable();
 139                 _table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 140                 // Enclose table in a scrollpane to prevent other components getting lost
 141                 JScrollPane scrollPane = new JScrollPane(_table);
 142                 _table.setPreferredScrollableViewportSize(new Dimension(300, 150));
 143                 tablePanel.add(scrollPane, BorderLayout.CENTER);
 144
 145                 // Make a panel to hold the table and up/down buttons
 146                 JPanel fieldsPanel = new JPanel();
 147                 fieldsPanel.setLayout(new BorderLayout());
 148                 fieldsPanel.add(tablePanel, BorderLayout.CENTER);
 149                 JPanel updownPanel = new JPanel();
 150                 updownPanel.setLayout(new BoxLayout(updownPanel, BoxLayout.Y_AXIS));
 151                 _moveUpButton = new JButton(I18nManager.getText("button.moveup"));
 152                 _moveUpButton.addActionListener(new ActionListener() {
 153                         public void actionPerformed(ActionEvent e)
 154                         {
 155                                 int row = _table.getSelectedRow();
 156                                 if (row > 0)
 157                                 {
 158                                         _model.swapItems(row, row - 1);
 159                                         _table.setRowSelectionInterval(row - 1, row - 1);
 160                                 }
 161                         }
 162                 });
 163                 _moveUpButton.setEnabled(false);
 164                 updownPanel.add(_moveUpButton);
 165                 _moveDownButton = new JButton(I18nManager.getText("button.movedown"));
 166                 _moveDownButton.addActionListener(new ActionListener() {
 167                         public void actionPerformed(ActionEvent e)
 168                         {
 169                                 int row = _table.getSelectedRow();
 170                                 if (row > -1 && row < (_model.getRowCount() - 1))
 171                                 {
 172                                         _model.swapItems(row, row + 1);
 173                                         _table.setRowSelectionInterval(row + 1, row + 1);
 174                                 }
 175                         }
 176                 });
 177                 _moveDownButton.setEnabled(false);
 178                 updownPanel.add(_moveDownButton);
 179                 fieldsPanel.add(updownPanel, BorderLayout.EAST);
 180                 // enable/disable buttons based on table row selection
 181                 _toggler = new UpDownToggler(_moveUpButton, _moveDownButton);
 182                 _table.getSelectionModel().addListSelectionListener(_toggler);
 183
 184                 // Add fields panel and the delimiter panel to first card in pack
 185                 JLabel saveOptionsLabel = new JLabel(I18nManager.getText("dialog.save.fieldstosave"));
 186                 saveOptionsLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 187                 firstCard.add(saveOptionsLabel);
 188                 fieldsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 189                 firstCard.add(fieldsPanel);
 190                 firstCard.add(Box.createRigidArea(new Dimension(0,10)));
 191
 192                 // delimiter panel
 193                 JLabel delimLabel = new JLabel(I18nManager.getText("dialog.delimiter.label"));
 194                 delimLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 195                 firstCard.add(delimLabel);
 196                 JPanel delimsPanel = new JPanel();
 197                 delimsPanel.setLayout(new GridLayout(0, 2));
 198                 delimsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 199                 // radio buttons
 200                 _delimiterRadios = new JRadioButton[5];
 201                 _delimiterRadios[0] = new JRadioButton(I18nManager.getText("dialog.delimiter.comma"));
 202                 delimsPanel.add(_delimiterRadios[0]);
 203                 _delimiterRadios[1] = new JRadioButton(I18nManager.getText("dialog.delimiter.tab"));
 204                 delimsPanel.add(_delimiterRadios[1]);
 205                 _delimiterRadios[2] = new JRadioButton(I18nManager.getText("dialog.delimiter.semicolon"));
 206                 delimsPanel.add(_delimiterRadios[2]);
 207                 _delimiterRadios[3] = new JRadioButton(I18nManager.getText("dialog.delimiter.space"));
 208                 delimsPanel.add(_delimiterRadios[3]);
 209                 JPanel otherPanel = new JPanel();
 210                 otherPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
 211                 _delimiterRadios[4] = new JRadioButton(I18nManager.getText("dialog.delimiter.other"));
 212                 otherPanel.add(_delimiterRadios[4]);
 213                 _otherDelimiterText = new JTextField(new OneCharDocument(), null, 2);
 214                 otherPanel.add(_otherDelimiterText);
 215                 // Group radio buttons
 216                 ButtonGroup delimGroup = new ButtonGroup();
 217                 for (int i=0; i<_delimiterRadios.length; i++)
 218                 {
 219                         delimGroup.add(_delimiterRadios[i]);
 220                 }
 221                 delimsPanel.add(otherPanel);
 222                 firstCard.add(delimsPanel);
 223
 224                 // header checkbox
 225                 firstCard.add(Box.createRigidArea(new Dimension(0,10)));
 226                 _headerRowCheckbox = new JCheckBox(I18nManager.getText("dialog.save.headerrow"), true);
 227                 firstCard.add(_headerRowCheckbox);
 228                 _cards.add(firstCard, "card1");
 229
 230                 // Second card
 231                 JPanel secondCard = new JPanel();
 232                 secondCard.setLayout(new BorderLayout());
 233                 JPanel secondCardHolder = new JPanel();
 234                 secondCardHolder.setLayout(new BoxLayout(secondCardHolder, BoxLayout.Y_AXIS));
 235                 // point type selector
 236                 secondCardHolder.add(Box.createRigidArea(new Dimension(0,10)));
 237                 _pointTypeSelector = new PointTypeSelector();
 238                 _pointTypeSelector.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 239                 secondCardHolder.add(_pointTypeSelector);
 240                 JLabel coordLabel = new JLabel(I18nManager.getText("dialog.save.coordinateunits"));
 241                 coordLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 242                 secondCardHolder.add(coordLabel);
 243                 JPanel coordsUnitsPanel = new JPanel();
 244                 coordsUnitsPanel.setBorder(BorderFactory.createEtchedBorder());
 245                 coordsUnitsPanel.setLayout(new GridLayout(0, 2));
 246                 _coordUnitsRadios = new JRadioButton[4];
 247                 _coordUnitsRadios[0] = new JRadioButton(I18nManager.getText("units.original"));
 248                 _coordUnitsRadios[1] = new JRadioButton(I18nManager.getText("units.degminsec"));
 249                 _coordUnitsRadios[2] = new JRadioButton(I18nManager.getText("units.degmin"));
 250                 _coordUnitsRadios[3] = new JRadioButton(I18nManager.getText("units.deg"));
 251                 ButtonGroup coordGroup = new ButtonGroup();
 252                 for (int i=0; i<4; i++)
 253                 {
 254                         coordGroup.add(_coordUnitsRadios[i]);
 255                         coordsUnitsPanel.add(_coordUnitsRadios[i]);
 256                         _coordUnitsRadios[i].setSelected(i==0);
 257                 }
 258                 coordsUnitsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 259                 secondCardHolder.add(coordsUnitsPanel);
 260                 secondCardHolder.add(Box.createRigidArea(new Dimension(0,7)));
 261                 // altitude units
 262                 JLabel altUnitsLabel = new JLabel(I18nManager.getText("dialog.save.altitudeunits"));
 263                 altUnitsLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 264                 secondCardHolder.add(altUnitsLabel);
 265                 JPanel altUnitsPanel = new JPanel();
 266                 altUnitsPanel.setBorder(BorderFactory.createEtchedBorder());
 267                 altUnitsPanel.setLayout(new GridLayout(0, 2));
 268                 _altitudeUnitsRadios = new JRadioButton[3];
 269                 _altitudeUnitsRadios[0] = new JRadioButton(I18nManager.getText("units.original"));
 270                 _altitudeUnitsRadios[1] = new JRadioButton(I18nManager.getText("units.metres"));
 271                 _altitudeUnitsRadios[2] = new JRadioButton(I18nManager.getText("units.feet"));
 272                 ButtonGroup altGroup = new ButtonGroup();
 273                 for (int i=0; i<3; i++)
 274                 {
 275                         altGroup.add(_altitudeUnitsRadios[i]);
 276                         altUnitsPanel.add(_altitudeUnitsRadios[i]);
 277                         _altitudeUnitsRadios[i].setSelected(i==0);
 278                 }
 279                 altUnitsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 280                 secondCardHolder.add(altUnitsPanel);
 281                 secondCardHolder.add(Box.createRigidArea(new Dimension(0,7)));
 282                 // Selection of format of timestamps
 283                 JLabel timestampLabel = new JLabel(I18nManager.getText("dialog.save.timestampformat"));
 284                 timestampLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
 285                 secondCardHolder.add(timestampLabel);
 286                 JPanel timestampPanel = new JPanel();
 287                 timestampPanel.setBorder(BorderFactory.createEtchedBorder());
 288                 timestampPanel.setLayout(new GridLayout(0, 2));
 289                 _timestampUnitsRadios = new JRadioButton[3];
 290                 _timestampUnitsRadios[0] = new JRadioButton(I18nManager.getText("units.original"));
 291                 _timestampUnitsRadios[1] = new JRadioButton(I18nManager.getText("units.default"));
 292                 _timestampUnitsRadios[2] = new JRadioButton(I18nManager.getText("units.iso8601"));
 293                 ButtonGroup timeGroup = new ButtonGroup();
 294                 for (int i=0; i<3; i++)
 295                 {
 296                         timeGroup.add(_timestampUnitsRadios[i]);
 297                         timestampPanel.add(_timestampUnitsRadios[i]);
 298                         _timestampUnitsRadios[i].setSelected(i==0);
 299                 }
 300                 timestampPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
 301                 secondCardHolder.add(timestampPanel);
 302                 secondCard.add(secondCardHolder, BorderLayout.NORTH);
 303                 _cards.add(secondCard, "card2");
 304
 305                 // Put together with ok/cancel buttons on the bottom
 306                 JPanel buttonPanel = new JPanel();
 307                 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 308                 _backButton = new JButton(I18nManager.getText("button.back"));
 309                 _backButton.addActionListener(new ActionListener() {
 310                         public void actionPerformed(ActionEvent e)
 311                         {
 312                                 CardLayout cl = (CardLayout) _cards.getLayout();
 313                                 cl.previous(_cards);
 314                                 _backButton.setEnabled(false);
 315                                 _nextButton.setEnabled(true);
 316                         }
 317                 });
 318                 _backButton.setEnabled(false);
 319                 buttonPanel.add(_backButton);
 320                 _nextButton = new JButton(I18nManager.getText("button.next"));
 321                 _nextButton.setEnabled(true);
 322                 _nextButton.addActionListener(new ActionListener() {
 323                         public void actionPerformed(ActionEvent e)
 324                         {
 325                                 CardLayout cl = (CardLayout) _cards.getLayout();
 326                                 cl.next(_cards);
 327                                 _backButton.setEnabled(true);
 328                                 _nextButton.setEnabled(false);
 329                         }
 330                 });
 331                 buttonPanel.add(_nextButton);
 332                 JButton okButton = new JButton(I18nManager.getText("button.finish"));
 333                 okButton.addActionListener(new ActionListener() {
 334                         public void actionPerformed(ActionEvent e)
 335                         {
 336                                 if (saveToFile())
 337                                 {
 338                                         _dialog.dispose();
 339                                 }
 340                         }
 341                 });
 342                 buttonPanel.add(okButton);
 343                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 344                 cancelButton.addActionListener(new ActionListener() {
 345                         public void actionPerformed(ActionEvent e)
 346                         {
 347                                 _dialog.dispose();
 348                         }
 349                 });
 350                 buttonPanel.add(cancelButton);
 351                 panel.add(buttonPanel, BorderLayout.SOUTH);
 352                 return panel;
 353         }
 354
 355         /**
 356          * Initialize the dialog with the given details
 357          * @param inModel table model
 358          * @param inDefaultDelimiter default delimiter character
 359          */
 360         private void initDialog(TableModel inModel, char inDefaultDelimiter)
 361         {
 362                 // set table model
 363                 _table.setModel(inModel);
 364                 // reset toggler
 365                 _toggler.setListSize(inModel.getRowCount());
 366                 // choose last-used delimiter as default
 367                 switch (inDefaultDelimiter)
 368                 {
 369                         case ','  : _delimiterRadios[0].setSelected(true); break;
 370                         case '\t' : _delimiterRadios[1].setSelected(true); break;
 371                         case ';'  : _delimiterRadios[2].setSelected(true); break;
 372                         case ' '  : _delimiterRadios[3].setSelected(true); break;
 373                         default   : _delimiterRadios[4].setSelected(true);
 374                                                 _otherDelimiterText.setText("" + inDefaultDelimiter);
 375                 }
 376                 _pointTypeSelector.init(_app.getTrackInfo());
 377                 // set card and enable buttons
 378                 CardLayout cl = (CardLayout) _cards.getLayout();
 379                 cl.first(_cards);
 380                 _nextButton.setEnabled(true);
 381                 _backButton.setEnabled(false);
 382         }
 383
 384
 385         /**
 386          * Start the save process by choosing the file to save to
 387          * @return true if successful or cancelled, false if failed
 388          */
 389         private boolean saveToFile()
 390         {
 391                 if (!_pointTypeSelector.getAnythingSelected()) {
 392                         JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("dialog.save.notypesselected"),
 393                                 I18nManager.getText("dialog.saveoptions.title"), JOptionPane.WARNING_MESSAGE);
 394                         return false;
 395                 }
 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.setAcceptAllFileFilterUsed(true);
 402                         // start from directory in config which should be set
 403                         String configDir = Config.getConfigString(Config.KEY_TRACK_DIR);
 404                         if (configDir == null) {configDir = Config.getConfigString(Config.KEY_PHOTO_DIR);}
 405                         if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
 406                 }
 407                 if (_fileChooser.showSaveDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
 408                 {
 409                         return saveToFile(_fileChooser.getSelectedFile());
 410                 }
 411                 return true; // cancelled
 412         }
 413
 414
 415         /**
 416          * Save the track to the specified file using the chosen options
 417          * @param inSaveFile file to save to
 418          * @return true if save successful, false if failed
 419          */
 420         private boolean saveToFile(File inSaveFile)
 421         {
 422                 // TODO: Shorten method
 423                 FileWriter writer = null;
 424                 final String lineSeparator = System.getProperty("line.separator");
 425                 boolean saveOK = true;
 426                 // Get coordinate format and altitude format
 427                 int coordFormat = Coordinate.FORMAT_NONE;
 428                 for (int i=0; i<_coordUnitsRadios.length; i++)
 429                         if (_coordUnitsRadios[i].isSelected())
 430                                 coordFormat = FORMAT_COORDS[i];
 431                 Altitude.Format altitudeFormat = Altitude.Format.NO_FORMAT;
 432                 for (int i=0; i<_altitudeUnitsRadios.length; i++)
 433                 {
 434                         if (_altitudeUnitsRadios[i].isSelected()) {
 435                                 altitudeFormat = FORMAT_ALTS[i];
 436                         }
 437                 }
 438                 // Get timestamp format
 439                 int timestampFormat = Timestamp.FORMAT_ORIGINAL;
 440                 for (int i=0; i<_timestampUnitsRadios.length; i++)
 441                 {
 442                         if (_timestampUnitsRadios[i].isSelected()) {
 443                                 timestampFormat = FORMAT_TIMES[i];
 444                         }
 445                 }
 446
 447                 // Correct chosen filename if necessary
 448                 final File saveFile = (isFilenameOk(inSaveFile)?inSaveFile:new File(inSaveFile.getAbsolutePath() + ".txt"));
 449
 450                 // Check if file exists, and confirm overwrite if necessary
 451                 Object[] buttonTexts = {I18nManager.getText("button.overwrite"), I18nManager.getText("button.cancel")};
 452                 if (!saveFile.exists() || JOptionPane.showOptionDialog(_parentFrame,
 453                                 I18nManager.getText("dialog.save.overwrite.text"),
 454                                 I18nManager.getText("dialog.save.overwrite.title"), JOptionPane.YES_NO_OPTION,
 455                                 JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1])
 456                         == JOptionPane.YES_OPTION)
 457                 {
 458                         try
 459                         {
 460                                 // Create output file
 461                                 writer = new FileWriter(saveFile);
 462                                 // Determine delimiter character to use
 463                                 final char delimiter = getDelimiter();
 464                                 FieldInfo info = null;
 465
 466                                 StringBuffer buffer = null;
 467                                 int numFields = _model.getRowCount();
 468                                 boolean firstField = true;
 469                                 // Write header row if required
 470                                 if (_headerRowCheckbox.isSelected())
 471                                 {
 472                                         buffer = new StringBuffer();
 473                                         for (int f=0; f<numFields; f++)
 474                                         {
 475                                                 info = _model.getFieldInfo(f);
 476                                                 if (info.isSelected())
 477                                                 {
 478                                                         // output field separator
 479                                                         if (!firstField) {
 480                                                                 buffer.append(delimiter);
 481                                                         }
 482                                                         buffer.append(info.getField().getName());
 483                                                         firstField = false;
 484                                                 }
 485                                         }
 486                                         writer.write(buffer.toString());
 487                                         writer.write(lineSeparator);
 488                                 }
 489
 490                                 // Examine selection
 491                                 int selStart = -1, selEnd = -1;
 492                                 if (_pointTypeSelector.getJustSelection()) {
 493                                         selStart = _app.getTrackInfo().getSelection().getStart();
 494                                         selEnd = _app.getTrackInfo().getSelection().getEnd();
 495                                 }
 496                                 // Loop over points outputting each in turn to buffer
 497                                 Track track = _app.getTrackInfo().getTrack();
 498                                 final int numPoints = track.getNumPoints();
 499                                 int numSaved = 0;
 500                                 for (int p=0; p<numPoints; p++)
 501                                 {
 502                                         DataPoint point = track.getPoint(p);
 503                                         boolean savePoint = ((point.isWaypoint() && _pointTypeSelector.getWaypointsSelected())
 504                                                 || (!point.isWaypoint() && !point.hasMedia() && _pointTypeSelector.getTrackpointsSelected())
 505                                                 || (!point.isWaypoint() && point.getPhoto()!=null && _pointTypeSelector.getPhotopointsSelected())
 506                                                 || (!point.isWaypoint() && point.getAudio()!=null && _pointTypeSelector.getAudiopointsSelected()))
 507                                                 && (!_pointTypeSelector.getJustSelection() || (p>=selStart && p<=selEnd));
 508                                         if (!savePoint) {continue;}
 509                                         numSaved++;
 510                                         firstField = true;
 511                                         buffer = new StringBuffer();
 512                                         for (int f=0; f<numFields; f++)
 513                                         {
 514                                                 info = _model.getFieldInfo(f);
 515                                                 if (info.isSelected())
 516                                                 {
 517                                                         // output field separator
 518                                                         if (!firstField) {
 519                                                                 buffer.append(delimiter);
 520                                                         }
 521                                                         saveField(buffer, point, info.getField(), coordFormat, altitudeFormat, timestampFormat);
 522                                                         firstField = false;
 523                                                 }
 524                                         }
 525                                         // Output to file
 526                                         writer.write(buffer.toString());
 527                                         writer.write(lineSeparator);
 528                                 }
 529                                 // Store directory in config for later
 530                                 Config.setConfigString(Config.KEY_TRACK_DIR, saveFile.getParentFile().getAbsolutePath());
 531                                 // Add to recent file list
 532                                 Config.getRecentFileList().addFile(new RecentFile(inSaveFile, true));
 533                                 // Save successful
 534                                 UpdateMessageBroker.informSubscribers();
 535                                 UpdateMessageBroker.informSubscribers(I18nManager.getText("confirm.save.ok1")
 536                                          + " " + numSaved + " " + I18nManager.getText("confirm.save.ok2")
 537                                          + " " + saveFile.getAbsolutePath());
 538                                 _app.informDataSaved();
 539                         }
 540                         catch (IOException ioe)
 541                         {
 542                                 saveOK = false;
 543                                 _app.showErrorMessageNoLookup("error.save.dialogtitle",
 544                                         I18nManager.getText("error.save.failed") + " : " + ioe.getMessage());
 545                         }
 546                         finally
 547                         {
 548                                 // try to close file if it's open
 549                                 try {
 550                                         writer.close();
 551                                 }
 552                                 catch (Exception e) {}
 553                         }
 554                 }
 555                 else
 556                 {
 557                         // Overwrite file confirm cancelled
 558                         saveOK = false;
 559                 }
 560                 return saveOK;
 561         }
 562
 563
 564         /**
 565          * Format the given field and append to the given buffer for saving
 566          * @param inBuffer buffer to append to
 567          * @param inPoint point object
 568          * @param inField field object
 569          * @param inCoordFormat coordinate format
 570          * @param inAltitudeFormat altitude format
 571          * @param inTimestampFormat timestamp format
 572          */
 573         private void saveField(StringBuffer inBuffer, DataPoint inPoint, Field inField,
 574                 int inCoordFormat, Altitude.Format inAltitudeFormat, int inTimestampFormat)
 575         {
 576                 // Output field according to type
 577                 if (inField == Field.LATITUDE)
 578                 {
 579                         inBuffer.append(inPoint.getLatitude().output(inCoordFormat));
 580                 }
 581                 else if (inField == Field.LONGITUDE)
 582                 {
 583                         inBuffer.append(inPoint.getLongitude().output(inCoordFormat));
 584                 }
 585                 else if (inField == Field.ALTITUDE)
 586                 {
 587                         try
 588                         {
 589                                 inBuffer.append(inPoint.getAltitude().getStringValue(inAltitudeFormat));
 590                         }
 591                         catch (NullPointerException npe) {}
 592                 }
 593                 else if (inField == Field.TIMESTAMP)
 594                 {
 595                         if (inPoint.hasTimestamp())
 596                         {
 597                                 if (inTimestampFormat == Timestamp.FORMAT_ORIGINAL) {
 598                                         // output original string
 599                                         inBuffer.append(inPoint.getTimestamp().getText(Timestamp.FORMAT_ORIGINAL));
 600                                 }
 601                                 else {
 602                                         // format value accordingly
 603                                         inBuffer.append(inPoint.getTimestamp().getText(inTimestampFormat));
 604                                 }
 605                         }
 606                 }
 607                 else
 608                 {
 609                         String value = inPoint.getFieldValue(inField);
 610                         if (value != null)
 611                         {
 612                                 inBuffer.append(value);
 613                         }
 614                 }
 615         }
 616
 617
 618         /**
 619          * @return the selected delimiter character
 620          */
 621         private char getDelimiter()
 622         {
 623                 // Check the preset 4 delimiters
 624                 final char[] delimiters = {',', '\t', ';', ' '};
 625                 for (int i=0; i<4; i++)
 626                 {
 627                         if (_delimiterRadios[i].isSelected())
 628                         {
 629                                 return delimiters[i];
 630                         }
 631                 }
 632                 // Wasn't any of those so must be 'other'
 633                 return _otherDelimiterText.getText().charAt(0);
 634         }
 635
 636
 637         /**
 638          * Check the selected filename to see if it is acceptable
 639          * @param inFile chosen file to save
 640          * @return true if filename is ok
 641          */
 642         private static boolean isFilenameOk(File inFile)
 643         {
 644                 String filename = inFile.getName().toLowerCase();
 645                 return (filename.length() <4 || (!filename.endsWith(".gpx")
 646                         && !filename.endsWith(".kml") && !filename.endsWith(".kmz") && !filename.endsWith(".zip")));
 647         }
 648 }