1 package tim.prune.load;
3 import java.awt.BorderLayout;
4 import java.awt.Component;
5 import java.awt.Dimension;
6 import java.awt.FlowLayout;
7 import java.awt.GridLayout;
8 import java.awt.event.ActionEvent;
9 import java.awt.event.ActionListener;
10 import java.awt.event.WindowAdapter;
11 import java.awt.event.WindowEvent;
14 import javax.swing.event.DocumentEvent;
15 import javax.swing.event.DocumentListener;
16 import javax.swing.event.ListSelectionEvent;
17 import javax.swing.event.ListSelectionListener;
18 import javax.swing.table.TableCellEditor;
23 import tim.prune.I18nManager;
24 import tim.prune.data.Field;
25 import tim.prune.data.PointCreateOptions;
26 import tim.prune.data.SourceInfo;
27 import tim.prune.data.Unit;
28 import tim.prune.data.UnitSetLibrary;
29 import tim.prune.gui.GuiGridLayout;
30 import tim.prune.gui.WizardLayout;
34 * Class to handle loading of text files including GUI options,
35 * and passing loaded data back to App object
37 public class TextFileLoader
39 private File _file = null;
40 private App _app = null;
41 private JFrame _parentFrame = null;
42 private JDialog _dialog = null;
43 private WizardLayout _wizard = null;
44 private JButton _backButton = null, _nextButton = null;
45 private JButton _finishButton = null;
46 private JButton _moveUpButton = null, _moveDownButton = null;
47 private JRadioButton[] _delimiterRadios = null;
48 private JTextField _otherDelimiterText = null;
49 private JLabel _statusLabel = null;
50 private DelimiterInfo[] _delimiterInfos = null;
51 private FileCacher _fileCacher = null;
52 private JList<String> _snippetBox = null;
53 private FileExtractTableModel _fileExtractTableModel = null;
54 private JTable _fieldTable;
55 private FieldSelectionTableModel _fieldTableModel = null;
56 private JComboBox<String> _altitudeUnitsDropdown = null;
57 private JComboBox<String> _hSpeedUnitsDropdown = null;
58 private JComboBox<String> _vSpeedUnitsDropdown = null;
59 private JRadioButton _vSpeedUpwardsRadio = null;
60 private ComponentHider _componentHider = null;
61 private int _selectedField = -1;
62 private char _currentDelimiter = ',';
64 // previously selected values
65 private char _lastUsedDelimiter = ',';
66 private Field[] _lastSelectedFields = null;
67 private Unit _lastAltitudeUnit = null;
70 private static final int SNIPPET_SIZE = 6;
71 private static final int MAX_SNIPPET_WIDTH = 80;
72 private static final char[] DELIMITERS = {',', '\t', ';', ' '};
76 * Inner class to listen for delimiter change operations
78 private class DelimListener implements ActionListener, DocumentListener
80 public void actionPerformed(ActionEvent e)
82 informDelimiterSelected();
84 public void changedUpdate(DocumentEvent e)
86 informDelimiterSelected();
88 public void insertUpdate(DocumentEvent e)
90 informDelimiterSelected();
92 public void removeUpdate(DocumentEvent e)
94 informDelimiterSelected();
101 * @param inApp Application object to inform of track load
102 * @param inParentFrame parent frame to reference for dialogs
104 public TextFileLoader(App inApp, JFrame inParentFrame)
107 _parentFrame = inParentFrame;
112 * Open the selected file and show the GUI dialog to select load options
113 * @param inFile file to open
115 public void openFile(File inFile)
118 if (preCheckFile(_file))
120 _dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.openoptions.title"), true);
121 _dialog.setLocationRelativeTo(_parentFrame);
122 _dialog.setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
123 // add closing listener
124 _dialog.addWindowListener(new WindowAdapter() {
125 public void windowClosing(WindowEvent e) {
127 _app.informNoDataLoaded();
130 _dialog.getContentPane().add(makeDialogComponents());
132 // select best separator according to row counts (more is better)
133 int bestDelim = getBestOption(_delimiterInfos[0].getNumWinningRecords(),
134 _delimiterInfos[1].getNumWinningRecords(), _delimiterInfos[2].getNumWinningRecords(),
135 _delimiterInfos[3].getNumWinningRecords());
137 _delimiterRadios[bestDelim].setSelected(true);
139 _delimiterRadios[_delimiterRadios.length-1].setSelected(true);
140 informDelimiterSelected();
142 _dialog.setVisible(true);
146 // Didn't pass pre-check
147 _app.showErrorMessageNoLookup("error.load.dialogtitle",
148 I18nManager.getText("error.load.noread") + ": " + inFile.getName());
149 _app.informNoDataLoaded();
155 * Check the given file for readability and funny characters,
156 * and count the fields for the various separators
157 * @param inFile file to check
159 private boolean preCheckFile(File inFile)
161 // Check file exists and is readable
162 if (inFile == null || !inFile.exists() || !inFile.canRead())
166 // Use a FileCacher to read the file into an array
167 _fileCacher = new FileCacher(inFile);
169 // Check each line of the file
170 String[] fileContents = _fileCacher.getContents();
171 if (fileContents == null) {
172 return false; // nothing cached, might be binary
174 boolean fileOK = true;
175 _delimiterInfos = new DelimiterInfo[5];
176 for (int i=0; i<4; i++) _delimiterInfos[i] = new DelimiterInfo(DELIMITERS[i]);
178 String currLine = null;
179 String[] splitFields = null;
180 int commaFields = 0, semicolonFields = 0, tabFields = 0, spaceFields = 0;
181 for (int lineNum=0; lineNum<fileContents.length && fileOK; lineNum++)
183 currLine = fileContents[lineNum];
184 // check for invalid characters
185 if (currLine.indexOf('\0') >= 0) {fileOK = false;}
187 splitFields = currLine.split(",");
188 commaFields = splitFields.length;
189 if (commaFields > 1) _delimiterInfos[0].incrementNumRecords();
190 _delimiterInfos[0].updateMaxFields(commaFields);
192 splitFields = currLine.split("\t");
193 tabFields = splitFields.length;
194 if (tabFields > 1) _delimiterInfos[1].incrementNumRecords();
195 _delimiterInfos[1].updateMaxFields(tabFields);
196 // check for semicolons
197 splitFields = currLine.split(";");
198 semicolonFields = splitFields.length;
199 if (semicolonFields > 1) _delimiterInfos[2].incrementNumRecords();
200 _delimiterInfos[2].updateMaxFields(semicolonFields);
202 splitFields = currLine.split(" ");
203 spaceFields = splitFields.length;
204 if (spaceFields > 1) _delimiterInfos[3].incrementNumRecords();
205 _delimiterInfos[3].updateMaxFields(spaceFields);
206 // increment counters
207 int bestScorer = getBestOption(commaFields, tabFields, semicolonFields, spaceFields);
209 _delimiterInfos[bestScorer].incrementNumWinningRecords();
216 * Get the index of the best one in the list
217 * @return the index of the maximum of the four given values
219 private static int getBestOption(int inOpt0, int inOpt1, int inOpt2, int inOpt3)
223 if (inOpt0 > maxScore) {bestIndex = 0; maxScore = inOpt0;}
224 if (inOpt1 > maxScore) {bestIndex = 1; maxScore = inOpt1;}
225 if (inOpt2 > maxScore) {bestIndex = 2; maxScore = inOpt2;}
226 if (inOpt3 > maxScore) {bestIndex = 3; maxScore = inOpt3;}
232 * Make the components for the open options dialog
233 * @return Component for all options
235 private Component makeDialogComponents()
237 JPanel wholePanel = new JPanel();
238 wholePanel.setLayout(new BorderLayout());
240 // add buttons to south
241 JPanel buttonPanel = new JPanel();
242 buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
243 _backButton = new JButton(I18nManager.getText("button.back"));
244 _backButton.addActionListener(new ActionListener() {
245 public void actionPerformed(ActionEvent e)
247 _wizard.showPreviousCard();
248 _nextButton.setEnabled(!_wizard.isLastCard());
249 _backButton.setEnabled(!_wizard.isFirstCard());
250 _finishButton.setEnabled(false);
253 _backButton.setEnabled(false);
254 buttonPanel.add(_backButton);
255 _nextButton = new JButton(I18nManager.getText("button.next"));
256 _nextButton.addActionListener(new ActionListener() {
257 public void actionPerformed(ActionEvent e)
259 prepareNextPanel(); // Maybe it needs to be initialized based on previous panels
260 _wizard.showNextCard();
261 _nextButton.setEnabled(!_wizard.isLastCard() && isCurrentCardValid());
262 _backButton.setEnabled(!_wizard.isFirstCard());
263 _finishButton.setEnabled(_wizard.isLastCard() && isCurrentCardValid());
266 buttonPanel.add(_nextButton);
267 _finishButton = new JButton(I18nManager.getText("button.finish"));
268 _finishButton.addActionListener(new ActionListener() {
269 public void actionPerformed(ActionEvent e)
274 _finishButton.setEnabled(false);
275 buttonPanel.add(_finishButton);
276 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
277 cancelButton.addActionListener(new ActionListener() {
278 public void actionPerformed(ActionEvent e)
281 _app.informNoDataLoaded();
284 buttonPanel.add(cancelButton);
285 wholePanel.add(buttonPanel, BorderLayout.SOUTH);
287 // Make the card panel in the centre
288 JPanel cardPanel = new JPanel();
289 _wizard = new WizardLayout(cardPanel);
290 JPanel firstCard = new JPanel();
291 firstCard.setLayout(new BorderLayout());
292 firstCard.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
294 JPanel delimsPanel = new JPanel();
295 delimsPanel.setLayout(new GridLayout(0, 2));
296 delimsPanel.add(new JLabel(I18nManager.getText("dialog.delimiter.label")));
297 delimsPanel.add(new JLabel("")); // blank label to go to next grid row
299 _delimiterRadios = new JRadioButton[5];
300 _delimiterRadios[0] = new JRadioButton(I18nManager.getText("dialog.delimiter.comma"));
301 delimsPanel.add(_delimiterRadios[0]);
302 _delimiterRadios[1] = new JRadioButton(I18nManager.getText("dialog.delimiter.tab"));
303 delimsPanel.add(_delimiterRadios[1]);
304 _delimiterRadios[2] = new JRadioButton(I18nManager.getText("dialog.delimiter.semicolon"));
305 delimsPanel.add(_delimiterRadios[2]);
306 _delimiterRadios[3] = new JRadioButton(I18nManager.getText("dialog.delimiter.space"));
307 delimsPanel.add(_delimiterRadios[3]);
308 JPanel otherPanel = new JPanel();
309 otherPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
310 _delimiterRadios[4] = new JRadioButton(I18nManager.getText("dialog.delimiter.other"));
311 otherPanel.add(_delimiterRadios[4]);
312 _otherDelimiterText = new JTextField(new OneCharDocument(), null, 2);
313 otherPanel.add(_otherDelimiterText);
314 // Group radio buttons
315 ButtonGroup delimGroup = new ButtonGroup();
316 DelimListener delimListener = new DelimListener();
317 for (int i=0; i<_delimiterRadios.length; i++)
319 delimGroup.add(_delimiterRadios[i]);
320 _delimiterRadios[i].addActionListener(delimListener);
322 _otherDelimiterText.getDocument().addDocumentListener(delimListener);
323 delimsPanel.add(new JLabel(""));
324 delimsPanel.add(otherPanel);
325 _statusLabel = new JLabel("");
326 delimsPanel.add(_statusLabel);
327 firstCard.add(delimsPanel, BorderLayout.SOUTH);
328 // load snippet to show first few lines
329 _snippetBox = new JList<String>(_fileCacher.getSnippet(SNIPPET_SIZE, MAX_SNIPPET_WIDTH));
330 _snippetBox.setEnabled(false);
331 firstCard.add(makeLabelledPanel("dialog.openoptions.filesnippet", _snippetBox), BorderLayout.CENTER);
333 // Second screen, for field order selection
334 JPanel secondCard = new JPanel();
335 secondCard.setLayout(new BorderLayout());
336 secondCard.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
337 // table for file contents
338 _fileExtractTableModel = new FileExtractTableModel();
339 JTable extractTable = new JTable(_fileExtractTableModel);
340 JScrollPane tableScrollPane = new JScrollPane(extractTable);
341 extractTable.setPreferredScrollableViewportSize(new Dimension(350, 80));
342 extractTable.getTableHeader().setReorderingAllowed(false);
343 secondCard.add(makeLabelledPanel("dialog.openoptions.filesnippet", tableScrollPane), BorderLayout.NORTH);
344 JPanel innerPanel2 = new JPanel();
345 innerPanel2.setLayout(new BorderLayout());
346 innerPanel2.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
348 _fieldTable = new JTable(new FieldSelectionTableModel());
349 _fieldTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
350 // add listener for selected table row
351 _fieldTable.getSelectionModel().addListSelectionListener(
352 new ListSelectionListener() {
353 public void valueChanged(ListSelectionEvent e) {
354 ListSelectionModel lsm = (ListSelectionModel) e.getSource();
355 if (lsm.isSelectionEmpty()) {
356 //no rows are selected
359 selectField(lsm.getMinSelectionIndex());
363 JScrollPane lowerTablePane = new JScrollPane(_fieldTable);
364 lowerTablePane.setPreferredSize(new Dimension(300, 100));
365 innerPanel2.add(lowerTablePane, BorderLayout.CENTER);
367 JPanel innerPanel3 = new JPanel();
368 innerPanel3.setLayout(new BoxLayout(innerPanel3, BoxLayout.Y_AXIS));
369 _moveUpButton = new JButton(I18nManager.getText("button.moveup"));
370 _moveUpButton.addActionListener(new ActionListener() {
371 public void actionPerformed(ActionEvent e)
373 int currRow = _fieldTable.getSelectedRow();
374 closeTableComboBox(currRow);
375 _fieldTableModel.moveUp(currRow);
376 _fieldTable.setRowSelectionInterval(currRow-1, currRow-1);
379 innerPanel3.add(_moveUpButton);
380 _moveDownButton = new JButton(I18nManager.getText("button.movedown"));
381 _moveDownButton.addActionListener(new ActionListener() {
382 public void actionPerformed(ActionEvent e)
384 int currRow = _fieldTable.getSelectedRow();
385 closeTableComboBox(currRow);
386 _fieldTableModel.moveDown(currRow);
387 _fieldTable.setRowSelectionInterval(currRow+1, currRow+1);
390 innerPanel3.add(_moveDownButton);
391 innerPanel3.add(Box.createVerticalStrut(60));
392 JButton guessButton = new JButton(I18nManager.getText("button.guessfields"));
393 guessButton.addActionListener(new ActionListener() {
394 public void actionPerformed(ActionEvent e)
396 _lastSelectedFields = null;
397 prepareSecondPanel();
400 innerPanel3.add(guessButton);
402 innerPanel2.add(innerPanel3, BorderLayout.EAST);
403 secondCard.add(innerPanel2, BorderLayout.CENTER);
405 // Third card, for units selection of altitude and speeds
406 JPanel thirdCard = new JPanel();
407 thirdCard.setLayout(new BorderLayout(10, 10));
408 JPanel holderPanel = new JPanel();
409 holderPanel.setLayout(new BoxLayout(holderPanel, BoxLayout.Y_AXIS));
411 JPanel altUnitsPanel = new JPanel();
412 GuiGridLayout altGrid = new GuiGridLayout(altUnitsPanel);
413 altUnitsPanel.setBorder(BorderFactory.createTitledBorder(I18nManager.getText("fieldname.altitude")));
414 JLabel altLabel = new JLabel(I18nManager.getText("dialog.openoptions.altitudeunits") + ": ");
415 altGrid.add(altLabel);
416 String[] altUnits = {I18nManager.getText("units.metres"), I18nManager.getText("units.feet")};
417 _altitudeUnitsDropdown = new JComboBox<String>(altUnits);
418 altGrid.add(_altitudeUnitsDropdown);
419 holderPanel.add(altUnitsPanel);
421 JPanel speedPanel = new JPanel();
422 GuiGridLayout speedGrid = new GuiGridLayout(speedPanel);
423 speedPanel.setBorder(BorderFactory.createTitledBorder(I18nManager.getText("fieldname.speed")));
424 JLabel speedLabel = new JLabel(I18nManager.getText("dialog.openoptions.speedunits") + ": ");
425 speedGrid.add(speedLabel);
426 _hSpeedUnitsDropdown = new JComboBox<String>();
427 for (Unit spUnit : UnitSetLibrary.ALL_SPEED_UNITS) {
428 _hSpeedUnitsDropdown.addItem(I18nManager.getText(spUnit.getNameKey()));
430 speedGrid.add(_hSpeedUnitsDropdown);
431 holderPanel.add(speedPanel);
433 JPanel vSpeedPanel = new JPanel();
434 GuiGridLayout vSpeedGrid = new GuiGridLayout(vSpeedPanel);
435 vSpeedPanel.setBorder(BorderFactory.createTitledBorder(I18nManager.getText("fieldname.verticalspeed")));
436 JLabel vSpeedLabel = new JLabel(I18nManager.getText("dialog.openoptions.vertspeedunits") + ": ");
437 vSpeedGrid.add(vSpeedLabel);
438 _vSpeedUnitsDropdown = new JComboBox<String>();
439 for (Unit spUnit : UnitSetLibrary.ALL_SPEED_UNITS) {
440 _vSpeedUnitsDropdown.addItem(I18nManager.getText(spUnit.getNameKey()));
442 vSpeedGrid.add(_vSpeedUnitsDropdown);
443 final String vSpeedLabelText = I18nManager.getText("dialog.openoptions.vspeed.intro");
444 if (!vSpeedLabelText.isEmpty()) {
445 vSpeedGrid.add(new JLabel(vSpeedLabelText));
446 vSpeedGrid.add(new JLabel(""));
448 _vSpeedUpwardsRadio = new JRadioButton(I18nManager.getText("dialog.openoptions.vspeed.positiveup"));
449 JRadioButton vSpeedDownwardsRadio = new JRadioButton(I18nManager.getText("dialog.openoptions.vspeed.positivedown"));
450 ButtonGroup vSpeedDirGroup = new ButtonGroup();
451 vSpeedDirGroup.add(_vSpeedUpwardsRadio); vSpeedDirGroup.add(vSpeedDownwardsRadio);
452 vSpeedGrid.add(_vSpeedUpwardsRadio); vSpeedGrid.add(vSpeedDownwardsRadio);
453 _vSpeedUpwardsRadio.setSelected(true);
454 holderPanel.add(vSpeedPanel);
455 thirdCard.add(holderPanel, BorderLayout.NORTH);
457 // Make a hider to show and hide the components according to the selected fields
458 _componentHider = new ComponentHider();
459 _componentHider.addComponent(altLabel, Field.ALTITUDE);
460 _componentHider.addComponent(_altitudeUnitsDropdown, Field.ALTITUDE);
461 _componentHider.addComponent(speedLabel, Field.SPEED);
462 _componentHider.addComponent(_hSpeedUnitsDropdown, Field.SPEED);
463 _componentHider.addComponent(vSpeedLabel, Field.VERTICAL_SPEED);
464 _componentHider.addComponent(_vSpeedUnitsDropdown, Field.VERTICAL_SPEED);
465 _componentHider.addComponent(_vSpeedUpwardsRadio, Field.VERTICAL_SPEED);
466 _componentHider.addComponent(vSpeedDownwardsRadio, Field.VERTICAL_SPEED);
468 // Add cards to the wizard
469 _wizard.addCard(firstCard);
470 _wizard.addCard(secondCard);
471 _wizard.addCard(thirdCard);
473 wholePanel.add(cardPanel, BorderLayout.CENTER);
479 * Close the combo box on the selected row of the field table
480 * @param inRow currently selected row number
482 private void closeTableComboBox(int inRow)
484 TableCellEditor editor = _fieldTable.getCellEditor(inRow, 1);
487 editor.stopCellEditing();
493 * change the status based on selection of a delimiter
495 protected void informDelimiterSelected()
498 // Loop through radios to see which one is selected
499 for (int i=0; i<(_delimiterRadios.length-1); i++)
501 if (_delimiterRadios[i].isSelected())
503 // Set label text to describe records and fields
504 int numRecords = _delimiterInfos[i].getNumRecords();
507 _statusLabel.setText(I18nManager.getText("dialog.openoptions.deliminfo.norecords"));
511 fields = _delimiterInfos[i].getMaxFields();
512 _statusLabel.setText("" + numRecords + " " + I18nManager.getText("dialog.openoptions.deliminfo.records")
513 + " " + fields + " " + I18nManager.getText("dialog.openoptions.deliminfo.fields"));
517 // Don't show label if "other" delimiter is chosen (as records, fields are unknown)
518 if (_delimiterRadios[_delimiterRadios.length-1].isSelected())
520 _statusLabel.setText("");
522 // enable/disable next button
523 _nextButton.setEnabled((_delimiterRadios[4].isSelected() == false && fields > 1)
524 || _otherDelimiterText.getText().length() == 1);
529 * Get the delimiter info from the first step
530 * @return delimiter information object for the selected delimiter
532 public DelimiterInfo getSelectedDelimiterInfo()
534 for (int i=0; i<4; i++)
535 if (_delimiterRadios[i].isSelected()) return _delimiterInfos[i];
536 // must be "other" - build info if necessary
537 if (_delimiterInfos[4] == null)
538 _delimiterInfos[4] = new DelimiterInfo(_otherDelimiterText.getText().charAt(0));
539 return _delimiterInfos[4];
544 * Prepare the next panel to be shown, if necessary
546 private void prepareNextPanel()
548 int currPanel = _wizard.getCurrentCardIndex();
549 if (currPanel == 0) {
550 prepareSecondPanel();
552 else if (currPanel == 1)
554 Field[] selectedFields = _fieldTableModel.getFieldArray();
555 // Enable / disable controls based on whether altitude / speed / vspeed fields were chosen on second panel
556 _componentHider.enableComponents(Field.ALTITUDE, doesFieldArrayContain(selectedFields, Field.ALTITUDE));
557 _componentHider.enableComponents(Field.SPEED, doesFieldArrayContain(selectedFields, Field.SPEED));
558 _componentHider.enableComponents(Field.VERTICAL_SPEED, doesFieldArrayContain(selectedFields, Field.VERTICAL_SPEED));
559 // TODO: Also check ranges of altitudes, speeds, vert speeds to show them in the third panel
564 * Use the delimiter selected to determine the fields in the file
565 * and prepare the second panel accordingly
567 private void prepareSecondPanel()
569 DelimiterInfo info = getSelectedDelimiterInfo();
570 FileSplitter splitter = new FileSplitter(_fileCacher);
571 // Check info makes sense - num fields > 0, num records > 0
572 // set "Finished" button to disabled if not ok
573 // Add data to GUI elements
574 String[][] tableData = splitter.splitFieldData(info.getDelimiter());
575 // possible to ignore blank columns here
576 _currentDelimiter = info.getDelimiter();
577 _fileExtractTableModel.updateData(tableData);
578 _fieldTableModel = new FieldSelectionTableModel();
580 // Check number of fields and use last ones if count matches
581 Field[] startFieldArray = null;
582 if (_lastSelectedFields != null && splitter.getNumColumns() == _lastSelectedFields.length)
584 startFieldArray = _lastSelectedFields;
588 // Take first full row of file and use it to guess fields
589 startFieldArray = FieldGuesser.guessFields(splitter.getFirstFullRow());
592 _fieldTableModel.updateData(startFieldArray);
593 _fieldTable.setModel(_fieldTableModel);
594 // add dropdowns to second column
595 JComboBox<String> fieldTypesBox = new JComboBox<String>();
596 String[] fieldNames = Field.getFieldNames();
597 for (int i=0; i<fieldNames.length; i++)
599 fieldTypesBox.addItem(fieldNames[i]);
601 _fieldTable.getColumnModel().getColumn(1).setCellEditor(new DefaultCellEditor(fieldTypesBox));
603 // Set altitude format to same as last time if available
604 if (_lastAltitudeUnit == UnitSetLibrary.UNITS_METRES)
605 _altitudeUnitsDropdown.setSelectedIndex(0);
606 else if (_lastAltitudeUnit == UnitSetLibrary.UNITS_FEET)
607 _altitudeUnitsDropdown.setSelectedIndex(1);
608 // no selection on field list
613 * See if the given array of selected fields contains the specified one
614 * @param inFields array of fields selected by user in the second panel
615 * @param inCheck field to check
616 * @return true if the field is present in the array
618 private boolean doesFieldArrayContain(Field[] inFields, Field inCheck)
620 if (inFields != null) {
621 for (int i=0; i<inFields.length; i++) {
622 if (inFields[i] == inCheck) { // == check ok here because it only checks for built-in fields
631 * All options have been selected, so load file
633 private void finished()
635 // Save delimiter, field array and altitude format for later use
636 _lastUsedDelimiter = _currentDelimiter;
637 _lastSelectedFields = _fieldTableModel.getFieldArray();
638 // TODO: Remember all the units selections for next load?
639 // Get the selected units for altitudes and speeds
640 SourceInfo sourceInfo = new SourceInfo(_file, SourceInfo.FILE_TYPE.TEXT);
641 PointCreateOptions options = new PointCreateOptions();
642 options.setAltitudeUnits(_altitudeUnitsDropdown.getSelectedIndex() == 0 ? UnitSetLibrary.UNITS_METRES : UnitSetLibrary.UNITS_FEET);
643 Unit hSpeedUnit = UnitSetLibrary.ALL_SPEED_UNITS[_hSpeedUnitsDropdown.getSelectedIndex()];
644 options.setSpeedUnits(hSpeedUnit);
645 Unit vSpeedUnit = UnitSetLibrary.ALL_SPEED_UNITS[_vSpeedUnitsDropdown.getSelectedIndex()];
646 options.setVerticalSpeedUnits(vSpeedUnit, _vSpeedUpwardsRadio.isSelected());
649 _app.informDataLoaded(_fieldTableModel.getFieldArray(),
650 _fileExtractTableModel.getData(), options, sourceInfo, null);
651 // clear up file cacher
658 * @return true if the inputs on the current tab are valid, user is allowed to proceed
660 private boolean isCurrentCardValid()
662 int cardIndex = _wizard.getCurrentCardIndex();
665 // validate second panel
666 return _fieldTableModel.getRowCount() > 1;
668 // all other panels are always valid
673 * Make a panel with a label and a component
674 * @param inLabelKey label key to use
675 * @param inComponent component for main area of panel
676 * @return labelled Panel
678 private static JPanel makeLabelledPanel(String inLabelKey, JComponent inComponent)
680 JPanel panel = new JPanel();
681 panel.setLayout(new BorderLayout());
682 panel.add(new JLabel(I18nManager.getText(inLabelKey)), BorderLayout.NORTH);
683 panel.add(inComponent, BorderLayout.CENTER);
689 * An entry in the field list has been selected
690 * @param inFieldNum index of field, starting with 0
692 private void selectField(int inFieldNum)
694 if (inFieldNum == -1 || inFieldNum != _selectedField)
696 _selectedField = inFieldNum;
697 _moveUpButton.setEnabled(inFieldNum > 0);
698 _moveDownButton.setEnabled(inFieldNum >= 0
699 && inFieldNum < (_fieldTableModel.getRowCount()-1));
705 * @return the last delimiter character used for a load
707 public char getLastUsedDelimiter()
709 return _lastUsedDelimiter;