source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java@ 8653

Last change on this file since 8653 was 8653, checked in by Don-vip, 9 years ago

fix #11756 - NPE
  • Property svn:eol-style set to native
File size: 53.1 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.layer.geoimage;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5import static org.openstreetmap.josm.tools.I18n.trn;
6
7import java.awt.BorderLayout;
8import java.awt.Cursor;
9import java.awt.Dimension;
10import java.awt.FlowLayout;
11import java.awt.GridBagConstraints;
12import java.awt.GridBagLayout;
13import java.awt.event.ActionEvent;
14import java.awt.event.ActionListener;
15import java.awt.event.FocusEvent;
16import java.awt.event.FocusListener;
17import java.awt.event.ItemEvent;
18import java.awt.event.ItemListener;
19import java.awt.event.WindowAdapter;
20import java.awt.event.WindowEvent;
21import java.io.File;
22import java.io.FileInputStream;
23import java.io.IOException;
24import java.io.InputStream;
25import java.text.DateFormat;
26import java.text.ParseException;
27import java.text.SimpleDateFormat;
28import java.util.ArrayList;
29import java.util.Collection;
30import java.util.Collections;
31import java.util.Comparator;
32import java.util.Date;
33import java.util.Dictionary;
34import java.util.Hashtable;
35import java.util.List;
36import java.util.TimeZone;
37import java.util.zip.GZIPInputStream;
38
39import javax.swing.AbstractAction;
40import javax.swing.AbstractListModel;
41import javax.swing.BorderFactory;
42import javax.swing.JButton;
43import javax.swing.JCheckBox;
44import javax.swing.JFileChooser;
45import javax.swing.JLabel;
46import javax.swing.JList;
47import javax.swing.JOptionPane;
48import javax.swing.JPanel;
49import javax.swing.JScrollPane;
50import javax.swing.JSeparator;
51import javax.swing.JSlider;
52import javax.swing.ListSelectionModel;
53import javax.swing.SwingConstants;
54import javax.swing.event.ChangeEvent;
55import javax.swing.event.ChangeListener;
56import javax.swing.event.DocumentEvent;
57import javax.swing.event.DocumentListener;
58import javax.swing.event.ListSelectionEvent;
59import javax.swing.event.ListSelectionListener;
60import javax.swing.filechooser.FileFilter;
61
62import org.openstreetmap.josm.Main;
63import org.openstreetmap.josm.actions.DiskAccessAction;
64import org.openstreetmap.josm.data.gpx.GpxConstants;
65import org.openstreetmap.josm.data.gpx.GpxData;
66import org.openstreetmap.josm.data.gpx.GpxTrack;
67import org.openstreetmap.josm.data.gpx.GpxTrackSegment;
68import org.openstreetmap.josm.data.gpx.WayPoint;
69import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
70import org.openstreetmap.josm.gui.ExtendedDialog;
71import org.openstreetmap.josm.gui.layer.GpxLayer;
72import org.openstreetmap.josm.gui.layer.Layer;
73import org.openstreetmap.josm.gui.widgets.AbstractFileChooser;
74import org.openstreetmap.josm.gui.widgets.JosmComboBox;
75import org.openstreetmap.josm.gui.widgets.JosmTextField;
76import org.openstreetmap.josm.io.GpxReader;
77import org.openstreetmap.josm.io.JpgImporter;
78import org.openstreetmap.josm.tools.ExifReader;
79import org.openstreetmap.josm.tools.GBC;
80import org.openstreetmap.josm.tools.ImageProvider;
81import org.openstreetmap.josm.tools.Utils;
82import org.openstreetmap.josm.tools.date.DateUtils;
83import org.openstreetmap.josm.tools.date.PrimaryDateParser;
84import org.xml.sax.SAXException;
85
86/**
87 * This class displays the window to select the GPX file and the offset (timezone + delta).
88 * Then it correlates the images of the layer with that GPX file.
89 */
90public class CorrelateGpxWithImages extends AbstractAction {
91
92 private static List<GpxData> loadedGpxData = new ArrayList<>();
93
94 private transient GeoImageLayer yLayer = null;
95 private double timezone;
96 private long delta;
97
98 /**
99 * Constructs a new {@code CorrelateGpxWithImages} action.
100 * @param layer The image layer
101 */
102 public CorrelateGpxWithImages(GeoImageLayer layer) {
103 super(tr("Correlate to GPX"), ImageProvider.get("dialogs/geoimage/gpx2img"));
104 this.yLayer = layer;
105 }
106
107 private final class SyncDialogWindowListener extends WindowAdapter {
108 private static final int CANCEL = -1;
109 private static final int DONE = 0;
110 private static final int AGAIN = 1;
111 private static final int NOTHING = 2;
112
113 private int checkAndSave() {
114 if (syncDialog.isVisible())
115 // nothing happened: JOSM was minimized or similar
116 return NOTHING;
117 int answer = syncDialog.getValue();
118 if (answer != 1)
119 return CANCEL;
120
121 // Parse values again, to display an error if the format is not recognized
122 try {
123 timezone = parseTimezone(tfTimezone.getText().trim());
124 } catch (ParseException e) {
125 JOptionPane.showMessageDialog(Main.parent, e.getMessage(),
126 tr("Invalid timezone"), JOptionPane.ERROR_MESSAGE);
127 return AGAIN;
128 }
129
130 try {
131 delta = parseOffset(tfOffset.getText().trim());
132 } catch (ParseException e) {
133 JOptionPane.showMessageDialog(Main.parent, e.getMessage(),
134 tr("Invalid offset"), JOptionPane.ERROR_MESSAGE);
135 return AGAIN;
136 }
137
138 if (lastNumMatched == 0 && new ExtendedDialog(
139 Main.parent,
140 tr("Correlate images with GPX track"),
141 new String[] {tr("OK"), tr("Try Again")}).
142 setContent(tr("No images could be matched!")).
143 setButtonIcons(new String[] {"ok", "dialogs/refresh"}).
144 showDialog().getValue() == 2)
145 return AGAIN;
146 return DONE;
147 }
148
149 @Override
150 public void windowDeactivated(WindowEvent e) {
151 int result = checkAndSave();
152 switch (result) {
153 case NOTHING:
154 break;
155 case CANCEL:
156 if (yLayer != null) {
157 if (yLayer.data != null) {
158 for (ImageEntry ie : yLayer.data) {
159 ie.tmp = null;
160 }
161 }
162 yLayer.updateBufferAndRepaint();
163 }
164 break;
165 case AGAIN:
166 actionPerformed(null);
167 break;
168 case DONE:
169 Main.pref.put("geoimage.timezone", formatTimezone(timezone));
170 Main.pref.put("geoimage.delta", Long.toString(delta * 1000));
171 Main.pref.put("geoimage.showThumbs", yLayer.useThumbs);
172
173 yLayer.useThumbs = cbShowThumbs.isSelected();
174 yLayer.startLoadThumbs();
175
176 // Search whether an other layer has yet defined some bounding box.
177 // If none, we'll zoom to the bounding box of the layer with the photos.
178 boolean boundingBoxedLayerFound = false;
179 for (Layer l: Main.map.mapView.getAllLayers()) {
180 if (l != yLayer) {
181 BoundingXYVisitor bbox = new BoundingXYVisitor();
182 l.visitBoundingBox(bbox);
183 if (bbox.getBounds() != null) {
184 boundingBoxedLayerFound = true;
185 break;
186 }
187 }
188 }
189 if (!boundingBoxedLayerFound) {
190 BoundingXYVisitor bbox = new BoundingXYVisitor();
191 yLayer.visitBoundingBox(bbox);
192 Main.map.mapView.zoomTo(bbox);
193 }
194
195 if (yLayer.data != null) {
196 for (ImageEntry ie : yLayer.data) {
197 ie.applyTmp();
198 }
199 }
200
201 yLayer.updateBufferAndRepaint();
202
203 break;
204 default:
205 throw new IllegalStateException();
206 }
207 }
208 }
209
210 private static class GpxDataWrapper {
211 private String name;
212 private GpxData data;
213 private File file;
214
215 public GpxDataWrapper(String name, GpxData data, File file) {
216 this.name = name;
217 this.data = data;
218 this.file = file;
219 }
220
221 @Override
222 public String toString() {
223 return name;
224 }
225 }
226
227 private ExtendedDialog syncDialog;
228 private transient List<GpxDataWrapper> gpxLst = new ArrayList<>();
229 private JPanel outerPanel;
230 private JosmComboBox<GpxDataWrapper> cbGpx;
231 private JosmTextField tfTimezone;
232 private JosmTextField tfOffset;
233 private JCheckBox cbExifImg;
234 private JCheckBox cbTaggedImg;
235 private JCheckBox cbShowThumbs;
236 private JLabel statusBarText;
237
238 // remember the last number of matched photos
239 private int lastNumMatched = 0;
240
241 /** This class is called when the user doesn't find the GPX file he needs in the files that have
242 * been loaded yet. It displays a FileChooser dialog to select the GPX file to be loaded.
243 */
244 private class LoadGpxDataActionListener implements ActionListener {
245
246 @Override
247 public void actionPerformed(ActionEvent arg0) {
248 FileFilter filter = new FileFilter() {
249 @Override
250 public boolean accept(File f) {
251 return f.isDirectory() || Utils.hasExtension(f, "gpx", "gpx.gz");
252 }
253
254 @Override
255 public String getDescription() {
256 return tr("GPX Files (*.gpx *.gpx.gz)");
257 }
258 };
259 AbstractFileChooser fc = DiskAccessAction.createAndOpenFileChooser(true, false, null, filter, JFileChooser.FILES_ONLY, null);
260 if (fc == null)
261 return;
262 File sel = fc.getSelectedFile();
263
264 try {
265 outerPanel.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
266
267 for (int i = gpxLst.size() - 1; i >= 0; i--) {
268 GpxDataWrapper wrapper = gpxLst.get(i);
269 if (wrapper.file != null && sel.equals(wrapper.file)) {
270 cbGpx.setSelectedIndex(i);
271 if (!sel.getName().equals(wrapper.name)) {
272 JOptionPane.showMessageDialog(
273 Main.parent,
274 tr("File {0} is loaded yet under the name \"{1}\"", sel.getName(), wrapper.name),
275 tr("Error"),
276 JOptionPane.ERROR_MESSAGE
277 );
278 }
279 return;
280 }
281 }
282 GpxData data = null;
283 try (InputStream iStream = createInputStream(sel)) {
284 GpxReader reader = new GpxReader(iStream);
285 reader.parse(false);
286 data = reader.getGpxData();
287 data.storageFile = sel;
288
289 } catch (SAXException x) {
290 Main.error(x);
291 JOptionPane.showMessageDialog(
292 Main.parent,
293 tr("Error while parsing {0}", sel.getName())+": "+x.getMessage(),
294 tr("Error"),
295 JOptionPane.ERROR_MESSAGE
296 );
297 return;
298 } catch (IOException x) {
299 Main.error(x);
300 JOptionPane.showMessageDialog(
301 Main.parent,
302 tr("Could not read \"{0}\"", sel.getName())+"\n"+x.getMessage(),
303 tr("Error"),
304 JOptionPane.ERROR_MESSAGE
305 );
306 return;
307 }
308
309 loadedGpxData.add(data);
310 if (gpxLst.get(0).file == null) {
311 gpxLst.remove(0);
312 }
313 gpxLst.add(new GpxDataWrapper(sel.getName(), data, sel));
314 cbGpx.setSelectedIndex(cbGpx.getItemCount() - 1);
315 } finally {
316 outerPanel.setCursor(Cursor.getDefaultCursor());
317 }
318 }
319
320 private InputStream createInputStream(File sel) throws IOException {
321 if (Utils.hasExtension(sel, "gpx.gz")) {
322 return new GZIPInputStream(new FileInputStream(sel));
323 } else {
324 return new FileInputStream(sel);
325 }
326 }
327 }
328
329 /**
330 * This action listener is called when the user has a photo of the time of his GPS receiver. It
331 * displays the list of photos of the layer, and upon selection displays the selected photo.
332 * From that photo, the user can key in the time of the GPS.
333 * Then values of timezone and delta are set.
334 * @author chris
335 *
336 */
337 private class SetOffsetActionListener implements ActionListener {
338 private JPanel panel;
339 private JLabel lbExifTime;
340 private JosmTextField tfGpsTime;
341 private JosmComboBox<String> cbTimezones;
342 private ImageDisplay imgDisp;
343 private JList<String> imgList;
344
345 @Override
346 public void actionPerformed(ActionEvent arg0) {
347 SimpleDateFormat dateFormat = (SimpleDateFormat) DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
348
349 panel = new JPanel();
350 panel.setLayout(new BorderLayout());
351 panel.add(new JLabel(tr("<html>Take a photo of your GPS receiver while it displays the time.<br>"
352 + "Display that photo here.<br>"
353 + "And then, simply capture the time you read on the photo and select a timezone<hr></html>")),
354 BorderLayout.NORTH);
355
356 imgDisp = new ImageDisplay();
357 imgDisp.setPreferredSize(new Dimension(300, 225));
358 panel.add(imgDisp, BorderLayout.CENTER);
359
360 JPanel panelTf = new JPanel();
361 panelTf.setLayout(new GridBagLayout());
362
363 GridBagConstraints gc = new GridBagConstraints();
364 gc.gridx = gc.gridy = 0;
365 gc.gridwidth = gc.gridheight = 1;
366 gc.weightx = gc.weighty = 0.0;
367 gc.fill = GridBagConstraints.NONE;
368 gc.anchor = GridBagConstraints.WEST;
369 panelTf.add(new JLabel(tr("Photo time (from exif):")), gc);
370
371 lbExifTime = new JLabel();
372 gc.gridx = 1;
373 gc.weightx = 1.0;
374 gc.fill = GridBagConstraints.HORIZONTAL;
375 gc.gridwidth = 2;
376 panelTf.add(lbExifTime, gc);
377
378 gc.gridx = 0;
379 gc.gridy = 1;
380 gc.gridwidth = gc.gridheight = 1;
381 gc.weightx = gc.weighty = 0.0;
382 gc.fill = GridBagConstraints.NONE;
383 gc.anchor = GridBagConstraints.WEST;
384 panelTf.add(new JLabel(tr("Gps time (read from the above photo): ")), gc);
385
386 tfGpsTime = new JosmTextField(12);
387 tfGpsTime.setEnabled(false);
388 tfGpsTime.setMinimumSize(new Dimension(155, tfGpsTime.getMinimumSize().height));
389 gc.gridx = 1;
390 gc.weightx = 1.0;
391 gc.fill = GridBagConstraints.HORIZONTAL;
392 panelTf.add(tfGpsTime, gc);
393
394 gc.gridx = 2;
395 gc.weightx = 0.2;
396 panelTf.add(new JLabel(" ["+dateFormat.toLocalizedPattern()+"]"), gc);
397
398 gc.gridx = 0;
399 gc.gridy = 2;
400 gc.gridwidth = gc.gridheight = 1;
401 gc.weightx = gc.weighty = 0.0;
402 gc.fill = GridBagConstraints.NONE;
403 gc.anchor = GridBagConstraints.WEST;
404 panelTf.add(new JLabel(tr("I am in the timezone of: ")), gc);
405
406 String[] tmp = TimeZone.getAvailableIDs();
407 List<String> vtTimezones = new ArrayList<>(tmp.length);
408
409 for (String tzStr : tmp) {
410 TimeZone tz = TimeZone.getTimeZone(tzStr);
411
412 String tzDesc = new StringBuilder(tzStr).append(" (")
413 .append(formatTimezone(tz.getRawOffset() / 3600000.0))
414 .append(')').toString();
415 vtTimezones.add(tzDesc);
416 }
417
418 Collections.sort(vtTimezones);
419
420 cbTimezones = new JosmComboBox<>(vtTimezones.toArray(new String[0]));
421
422 String tzId = Main.pref.get("geoimage.timezoneid", "");
423 TimeZone defaultTz;
424 if (tzId.isEmpty()) {
425 defaultTz = TimeZone.getDefault();
426 } else {
427 defaultTz = TimeZone.getTimeZone(tzId);
428 }
429
430 cbTimezones.setSelectedItem(new StringBuilder(defaultTz.getID()).append(" (")
431 .append(formatTimezone(defaultTz.getRawOffset() / 3600000.0))
432 .append(')').toString());
433
434 gc.gridx = 1;
435 gc.weightx = 1.0;
436 gc.gridwidth = 2;
437 gc.fill = GridBagConstraints.HORIZONTAL;
438 panelTf.add(cbTimezones, gc);
439
440 panel.add(panelTf, BorderLayout.SOUTH);
441
442 JPanel panelLst = new JPanel();
443 panelLst.setLayout(new BorderLayout());
444
445 imgList = new JList<>(new AbstractListModel<String>() {
446 @Override
447 public String getElementAt(int i) {
448 return yLayer.data.get(i).getFile().getName();
449 }
450
451 @Override
452 public int getSize() {
453 return yLayer.data.size();
454 }
455 });
456 imgList.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
457 imgList.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
458
459 @Override
460 public void valueChanged(ListSelectionEvent arg0) {
461 int index = imgList.getSelectedIndex();
462 Integer orientation = null;
463 try {
464 orientation = ExifReader.readOrientation(yLayer.data.get(index).getFile());
465 } catch (Exception e) {
466 Main.warn(e);
467 }
468 imgDisp.setImage(yLayer.data.get(index).getFile(), orientation);
469 Date date = yLayer.data.get(index).getExifTime();
470 if (date != null) {
471 DateFormat df = DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
472 lbExifTime.setText(df.format(date));
473 tfGpsTime.setText(df.format(date));
474 tfGpsTime.setCaretPosition(tfGpsTime.getText().length());
475 tfGpsTime.setEnabled(true);
476 tfGpsTime.requestFocus();
477 } else {
478 lbExifTime.setText(tr("No date"));
479 tfGpsTime.setText("");
480 tfGpsTime.setEnabled(false);
481 }
482 }
483 });
484 panelLst.add(new JScrollPane(imgList), BorderLayout.CENTER);
485
486 JButton openButton = new JButton(tr("Open another photo"));
487 openButton.addActionListener(new ActionListener() {
488
489 @Override
490 public void actionPerformed(ActionEvent ae) {
491 AbstractFileChooser fc = DiskAccessAction.createAndOpenFileChooser(true, false, null,
492 JpgImporter.FILE_FILTER_WITH_FOLDERS, JFileChooser.FILES_ONLY, "geoimage.lastdirectory");
493 if (fc == null)
494 return;
495 File sel = fc.getSelectedFile();
496
497 Integer orientation = null;
498 try {
499 orientation = ExifReader.readOrientation(sel);
500 } catch (Exception e) {
501 Main.warn(e);
502 }
503 imgDisp.setImage(sel, orientation);
504
505 Date date = null;
506 try {
507 date = ExifReader.readTime(sel);
508 } catch (Exception e) {
509 Main.warn(e);
510 }
511 if (date != null) {
512 lbExifTime.setText(DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM).format(date));
513 tfGpsTime.setText(DateUtils.getDateFormat(DateFormat.SHORT).format(date)+" ");
514 tfGpsTime.setEnabled(true);
515 } else {
516 lbExifTime.setText(tr("No date"));
517 tfGpsTime.setText("");
518 tfGpsTime.setEnabled(false);
519 }
520 }
521 });
522 panelLst.add(openButton, BorderLayout.PAGE_END);
523
524 panel.add(panelLst, BorderLayout.LINE_START);
525
526 boolean isOk = false;
527 while (!isOk) {
528 int answer = JOptionPane.showConfirmDialog(
529 Main.parent, panel,
530 tr("Synchronize time from a photo of the GPS receiver"),
531 JOptionPane.OK_CANCEL_OPTION,
532 JOptionPane.QUESTION_MESSAGE
533 );
534 if (answer == JOptionPane.CANCEL_OPTION)
535 return;
536
537 long delta;
538
539 try {
540 delta = dateFormat.parse(lbExifTime.getText()).getTime()
541 - dateFormat.parse(tfGpsTime.getText()).getTime();
542 } catch (ParseException e) {
543 JOptionPane.showMessageDialog(Main.parent, tr("Error while parsing the date.\n"
544 + "Please use the requested format"),
545 tr("Invalid date"), JOptionPane.ERROR_MESSAGE);
546 continue;
547 }
548
549 String selectedTz = (String) cbTimezones.getSelectedItem();
550 int pos = selectedTz.lastIndexOf('(');
551 tzId = selectedTz.substring(0, pos - 1);
552 String tzValue = selectedTz.substring(pos + 1, selectedTz.length() - 1);
553
554 Main.pref.put("geoimage.timezoneid", tzId);
555 tfOffset.setText(Long.toString(delta / 1000));
556 tfTimezone.setText(tzValue);
557
558 isOk = true;
559
560 }
561 statusBarUpdater.updateStatusBar();
562 yLayer.updateBufferAndRepaint();
563 }
564 }
565
566 @Override
567 public void actionPerformed(ActionEvent arg0) {
568 // Construct the list of loaded GPX tracks
569 Collection<Layer> layerLst = Main.map.mapView.getAllLayers();
570 GpxDataWrapper defaultItem = null;
571 for (Layer cur : layerLst) {
572 if (cur instanceof GpxLayer) {
573 GpxLayer curGpx = (GpxLayer) cur;
574 GpxDataWrapper gdw = new GpxDataWrapper(curGpx.getName(), curGpx.data, curGpx.data.storageFile);
575 gpxLst.add(gdw);
576 if (cur == yLayer.gpxLayer) {
577 defaultItem = gdw;
578 }
579 }
580 }
581 for (GpxData data : loadedGpxData) {
582 gpxLst.add(new GpxDataWrapper(data.storageFile.getName(),
583 data,
584 data.storageFile));
585 }
586
587 if (gpxLst.isEmpty()) {
588 gpxLst.add(new GpxDataWrapper(tr("<No GPX track loaded yet>"), null, null));
589 }
590
591 JPanel panelCb = new JPanel();
592
593 panelCb.add(new JLabel(tr("GPX track: ")));
594
595 cbGpx = new JosmComboBox<>(gpxLst.toArray(new GpxDataWrapper[0]));
596 if (defaultItem != null) {
597 cbGpx.setSelectedItem(defaultItem);
598 }
599 cbGpx.addActionListener(statusBarUpdaterWithRepaint);
600 panelCb.add(cbGpx);
601
602 JButton buttonOpen = new JButton(tr("Open another GPX trace"));
603 buttonOpen.addActionListener(new LoadGpxDataActionListener());
604 panelCb.add(buttonOpen);
605
606 JPanel panelTf = new JPanel();
607 panelTf.setLayout(new GridBagLayout());
608
609 String prefTimezone = Main.pref.get("geoimage.timezone", "0:00");
610 if (prefTimezone == null) {
611 prefTimezone = "0:00";
612 }
613 try {
614 timezone = parseTimezone(prefTimezone);
615 } catch (ParseException e) {
616 timezone = 0;
617 }
618
619 tfTimezone = new JosmTextField(10);
620 tfTimezone.setText(formatTimezone(timezone));
621
622 try {
623 delta = parseOffset(Main.pref.get("geoimage.delta", "0"));
624 } catch (ParseException e) {
625 delta = 0;
626 }
627 delta = delta / 1000; // milliseconds -> seconds
628
629 tfOffset = new JosmTextField(10);
630 tfOffset.setText(Long.toString(delta));
631
632 JButton buttonViewGpsPhoto = new JButton(tr("<html>Use photo of an accurate clock,<br>"
633 + "e.g. GPS receiver display</html>"));
634 buttonViewGpsPhoto.setIcon(ImageProvider.get("clock"));
635 buttonViewGpsPhoto.addActionListener(new SetOffsetActionListener());
636
637 JButton buttonAutoGuess = new JButton(tr("Auto-Guess"));
638 buttonAutoGuess.setToolTipText(tr("Matches first photo with first gpx point"));
639 buttonAutoGuess.addActionListener(new AutoGuessActionListener());
640
641 JButton buttonAdjust = new JButton(tr("Manual adjust"));
642 buttonAdjust.addActionListener(new AdjustActionListener());
643
644 JLabel labelPosition = new JLabel(tr("Override position for: "));
645
646 int numAll = getSortedImgList(true, true).size();
647 int numExif = numAll - getSortedImgList(false, true).size();
648 int numTagged = numAll - getSortedImgList(true, false).size();
649
650 cbExifImg = new JCheckBox(tr("Images with geo location in exif data ({0}/{1})", numExif, numAll));
651 cbExifImg.setEnabled(numExif != 0);
652
653 cbTaggedImg = new JCheckBox(tr("Images that are already tagged ({0}/{1})", numTagged, numAll), true);
654 cbTaggedImg.setEnabled(numTagged != 0);
655
656 labelPosition.setEnabled(cbExifImg.isEnabled() || cbTaggedImg.isEnabled());
657
658 boolean ticked = yLayer.thumbsLoaded || Main.pref.getBoolean("geoimage.showThumbs", false);
659 cbShowThumbs = new JCheckBox(tr("Show Thumbnail images on the map"), ticked);
660 cbShowThumbs.setEnabled(!yLayer.thumbsLoaded);
661
662 int y = 0;
663 GBC gbc = GBC.eol();
664 gbc.gridx = 0;
665 gbc.gridy = y++;
666 panelTf.add(panelCb, gbc);
667
668 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 0, 0, 12);
669 gbc.gridx = 0;
670 gbc.gridy = y++;
671 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
672
673 gbc = GBC.std();
674 gbc.gridx = 0;
675 gbc.gridy = y;
676 panelTf.add(new JLabel(tr("Timezone: ")), gbc);
677
678 gbc = GBC.std().fill(GBC.HORIZONTAL);
679 gbc.gridx = 1;
680 gbc.gridy = y++;
681 gbc.weightx = 1.;
682 panelTf.add(tfTimezone, gbc);
683
684 gbc = GBC.std();
685 gbc.gridx = 0;
686 gbc.gridy = y;
687 panelTf.add(new JLabel(tr("Offset:")), gbc);
688
689 gbc = GBC.std().fill(GBC.HORIZONTAL);
690 gbc.gridx = 1;
691 gbc.gridy = y++;
692 gbc.weightx = 1.;
693 panelTf.add(tfOffset, gbc);
694
695 gbc = GBC.std().insets(5, 5, 5, 5);
696 gbc.gridx = 2;
697 gbc.gridy = y-2;
698 gbc.gridheight = 2;
699 gbc.gridwidth = 2;
700 gbc.fill = GridBagConstraints.BOTH;
701 gbc.weightx = 0.5;
702 panelTf.add(buttonViewGpsPhoto, gbc);
703
704 gbc = GBC.std().fill(GBC.BOTH).insets(5, 5, 5, 5);
705 gbc.gridx = 2;
706 gbc.gridy = y++;
707 gbc.weightx = 0.5;
708 panelTf.add(buttonAutoGuess, gbc);
709
710 gbc.gridx = 3;
711 panelTf.add(buttonAdjust, gbc);
712
713 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 12, 0, 0);
714 gbc.gridx = 0;
715 gbc.gridy = y++;
716 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
717
718 gbc = GBC.eol();
719 gbc.gridx = 0;
720 gbc.gridy = y++;
721 panelTf.add(labelPosition, gbc);
722
723 gbc = GBC.eol();
724 gbc.gridx = 1;
725 gbc.gridy = y++;
726 panelTf.add(cbExifImg, gbc);
727
728 gbc = GBC.eol();
729 gbc.gridx = 1;
730 gbc.gridy = y++;
731 panelTf.add(cbTaggedImg, gbc);
732
733 gbc = GBC.eol();
734 gbc.gridx = 0;
735 gbc.gridy = y++;
736 panelTf.add(cbShowThumbs, gbc);
737
738 final JPanel statusBar = new JPanel();
739 statusBar.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
740 statusBar.setBorder(BorderFactory.createLoweredBevelBorder());
741 statusBarText = new JLabel(" ");
742 statusBarText.setFont(statusBarText.getFont().deriveFont(8));
743 statusBar.add(statusBarText);
744
745 tfTimezone.addFocusListener(repaintTheMap);
746 tfOffset.addFocusListener(repaintTheMap);
747
748 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
749 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
750 cbExifImg.addItemListener(statusBarUpdaterWithRepaint);
751 cbTaggedImg.addItemListener(statusBarUpdaterWithRepaint);
752
753 statusBarUpdater.updateStatusBar();
754
755 outerPanel = new JPanel();
756 outerPanel.setLayout(new BorderLayout());
757 outerPanel.add(statusBar, BorderLayout.PAGE_END);
758
759 syncDialog = new ExtendedDialog(
760 Main.parent,
761 tr("Correlate images with GPX track"),
762 new String[] {tr("Correlate"), tr("Cancel")},
763 false
764 );
765 syncDialog.setContent(panelTf, false);
766 syncDialog.setButtonIcons(new String[] {"ok", "cancel"});
767 syncDialog.setupDialog();
768 outerPanel.add(syncDialog.getContentPane(), BorderLayout.PAGE_START);
769 syncDialog.setContentPane(outerPanel);
770 syncDialog.pack();
771 syncDialog.addWindowListener(new SyncDialogWindowListener());
772 syncDialog.showDialog();
773 }
774
775 private transient StatusBarUpdater statusBarUpdater = new StatusBarUpdater(false);
776 private transient StatusBarUpdater statusBarUpdaterWithRepaint = new StatusBarUpdater(true);
777
778 private class StatusBarUpdater implements DocumentListener, ItemListener, ActionListener {
779 private boolean doRepaint;
780
781 public StatusBarUpdater(boolean doRepaint) {
782 this.doRepaint = doRepaint;
783 }
784
785 @Override
786 public void insertUpdate(DocumentEvent ev) {
787 updateStatusBar();
788 }
789
790 @Override
791 public void removeUpdate(DocumentEvent ev) {
792 updateStatusBar();
793 }
794
795 @Override
796 public void changedUpdate(DocumentEvent ev) {
797 }
798
799 @Override
800 public void itemStateChanged(ItemEvent e) {
801 updateStatusBar();
802 }
803
804 @Override
805 public void actionPerformed(ActionEvent e) {
806 updateStatusBar();
807 }
808
809 public void updateStatusBar() {
810 statusBarText.setText(statusText());
811 if (doRepaint) {
812 yLayer.updateBufferAndRepaint();
813 }
814 }
815
816 private String statusText() {
817 try {
818 timezone = parseTimezone(tfTimezone.getText().trim());
819 delta = parseOffset(tfOffset.getText().trim());
820 } catch (ParseException e) {
821 return e.getMessage();
822 }
823
824 // The selection of images we are about to correlate may have changed.
825 // So reset all images.
826 for (ImageEntry ie: yLayer.data) {
827 ie.tmp = null;
828 }
829
830 // Construct a list of images that have a date, and sort them on the date.
831 List<ImageEntry> dateImgLst = getSortedImgList();
832 // Create a temporary copy for each image
833 for (ImageEntry ie : dateImgLst) {
834 ie.cleanTmp();
835 }
836
837 GpxDataWrapper selGpx = selectedGPX(false);
838 if (selGpx == null)
839 return tr("No gpx selected");
840
841 final long offset_ms = ((long) (timezone * 3600) + delta) * 1000; // in milliseconds
842 lastNumMatched = matchGpxTrack(dateImgLst, selGpx.data, offset_ms);
843
844 return trn("<html>Matched <b>{0}</b> of <b>{1}</b> photo to GPX track.</html>",
845 "<html>Matched <b>{0}</b> of <b>{1}</b> photos to GPX track.</html>",
846 dateImgLst.size(), lastNumMatched, dateImgLst.size());
847 }
848 }
849
850 private transient RepaintTheMapListener repaintTheMap = new RepaintTheMapListener();
851
852 private class RepaintTheMapListener implements FocusListener {
853 @Override
854 public void focusGained(FocusEvent e) { // do nothing
855 }
856
857 @Override
858 public void focusLost(FocusEvent e) {
859 yLayer.updateBufferAndRepaint();
860 }
861 }
862
863 /**
864 * Presents dialog with sliders for manual adjust.
865 */
866 private class AdjustActionListener implements ActionListener {
867
868 @Override
869 public void actionPerformed(ActionEvent arg0) {
870
871 long diff = delta + Math.round(timezone*60*60);
872
873 double diffInH = (double) diff/(60*60); // hours
874
875 // Find day difference
876 final int dayOffset = (int) Math.round(diffInH / 24); // days
877 double tmz = diff - dayOffset*24*60*60L; // seconds
878
879 // In hours, rounded to two decimal places
880 tmz = (double) Math.round(tmz*100/(60*60)) / 100;
881
882 // Due to imprecise clocks we might get a "+3:28" timezone, which should obviously be 3:30 with
883 // -2 minutes offset. This determines the real timezone and finds offset.
884 double fixTimezone = (double) Math.round(tmz * 2)/2; // hours, rounded to one decimal place
885 int offset = (int) Math.round(diff - fixTimezone*60*60) - dayOffset*24*60*60; // seconds
886
887 // Info Labels
888 final JLabel lblMatches = new JLabel();
889
890 // Timezone Slider
891 // The slider allows to switch timezon from -12:00 to 12:00 in 30 minutes steps. Therefore the range is -24 to 24.
892 final JLabel lblTimezone = new JLabel();
893 final JSlider sldTimezone = new JSlider(-24, 24, 0);
894 sldTimezone.setPaintLabels(true);
895 Dictionary<Integer, JLabel> labelTable = new Hashtable<>();
896 // CHECKSTYLE.OFF: ParenPad
897 labelTable.put(-24, new JLabel("-12:00"));
898 labelTable.put(-12, new JLabel( "-6:00"));
899 labelTable.put( 0, new JLabel( "0:00"));
900 labelTable.put( 12, new JLabel( "6:00"));
901 labelTable.put( 24, new JLabel( "12:00"));
902 // CHECKSTYLE.ON: ParenPad
903 sldTimezone.setLabelTable(labelTable);
904
905 // Minutes Slider
906 final JLabel lblMinutes = new JLabel();
907 final JSlider sldMinutes = new JSlider(-15, 15, 0);
908 sldMinutes.setPaintLabels(true);
909 sldMinutes.setMajorTickSpacing(5);
910
911 // Seconds slider
912 final JLabel lblSeconds = new JLabel();
913 final JSlider sldSeconds = new JSlider(-60, 60, 0);
914 sldSeconds.setPaintLabels(true);
915 sldSeconds.setMajorTickSpacing(30);
916
917 // This is called whenever one of the sliders is moved.
918 // It updates the labels and also calls the "match photos" code
919 class SliderListener implements ChangeListener {
920 @Override
921 public void stateChanged(ChangeEvent e) {
922 // parse slider position into real timezone
923 double tz = Math.abs(sldTimezone.getValue());
924 String zone = tz % 2 == 0
925 ? (int) Math.floor(tz/2) + ":00"
926 : (int) Math.floor(tz/2) + ":30";
927 if (sldTimezone.getValue() < 0) {
928 zone = "-" + zone;
929 }
930
931 lblTimezone.setText(tr("Timezone: {0}", zone));
932 lblMinutes.setText(tr("Minutes: {0}", sldMinutes.getValue()));
933 lblSeconds.setText(tr("Seconds: {0}", sldSeconds.getValue()));
934
935 try {
936 timezone = parseTimezone(zone);
937 } catch (ParseException pe) {
938 throw new RuntimeException(pe);
939 }
940 delta = sldMinutes.getValue()*60 + sldSeconds.getValue();
941
942 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
943 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
944
945 tfTimezone.setText(formatTimezone(timezone));
946 tfOffset.setText(Long.toString(delta + 24*60*60L*dayOffset)); // add the day offset to the offset field
947
948 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
949 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
950
951 lblMatches.setText(statusBarText.getText() + "<br>" + trn("(Time difference of {0} day)",
952 "Time difference of {0} days", Math.abs(dayOffset), Math.abs(dayOffset)));
953
954 statusBarUpdater.updateStatusBar();
955 yLayer.updateBufferAndRepaint();
956 }
957 }
958
959 // Put everything together
960 JPanel p = new JPanel(new GridBagLayout());
961 p.setPreferredSize(new Dimension(400, 230));
962 p.add(lblMatches, GBC.eol().fill());
963 p.add(lblTimezone, GBC.eol().fill());
964 p.add(sldTimezone, GBC.eol().fill().insets(0, 0, 0, 10));
965 p.add(lblMinutes, GBC.eol().fill());
966 p.add(sldMinutes, GBC.eol().fill().insets(0, 0, 0, 10));
967 p.add(lblSeconds, GBC.eol().fill());
968 p.add(sldSeconds, GBC.eol().fill());
969
970 // If there's an error in the calculation the found values
971 // will be off range for the sliders. Catch this error
972 // and inform the user about it.
973 try {
974 sldTimezone.setValue((int) (fixTimezone*2));
975 sldMinutes.setValue(offset / 60);
976 sldSeconds.setValue(offset % 60);
977 } catch (Exception e) {
978 JOptionPane.showMessageDialog(Main.parent,
979 tr("An error occurred while trying to match the photos to the GPX track."
980 +" You can adjust the sliders to manually match the photos."),
981 tr("Matching photos to track failed"),
982 JOptionPane.WARNING_MESSAGE);
983 }
984
985 // Call the sliderListener once manually so labels get adjusted
986 new SliderListener().stateChanged(null);
987 // Listeners added here, otherwise it tries to match three times
988 // (when setting the default values)
989 sldTimezone.addChangeListener(new SliderListener());
990 sldMinutes.addChangeListener(new SliderListener());
991 sldSeconds.addChangeListener(new SliderListener());
992
993 // There is no way to cancel this dialog, all changes get applied
994 // immediately. Therefore "Close" is marked with an "OK" icon.
995 // Settings are only saved temporarily to the layer.
996 new ExtendedDialog(Main.parent,
997 tr("Adjust timezone and offset"),
998 new String[] {tr("Close")}).
999 setContent(p).setButtonIcons(new String[] {"ok"}).showDialog();
1000 }
1001 }
1002
1003 private class AutoGuessActionListener implements ActionListener {
1004
1005 @Override
1006 public void actionPerformed(ActionEvent arg0) {
1007 GpxDataWrapper gpxW = selectedGPX(true);
1008 if (gpxW == null)
1009 return;
1010 GpxData gpx = gpxW.data;
1011
1012 List<ImageEntry> imgs = getSortedImgList();
1013 PrimaryDateParser dateParser = new PrimaryDateParser();
1014
1015 // no images found, exit
1016 if (imgs.isEmpty()) {
1017 JOptionPane.showMessageDialog(Main.parent,
1018 tr("The selected photos do not contain time information."),
1019 tr("Photos do not contain time information"), JOptionPane.WARNING_MESSAGE);
1020 return;
1021 }
1022
1023 // Init variables
1024 long firstExifDate = imgs.get(0).getExifTime().getTime()/1000;
1025
1026 long firstGPXDate = -1;
1027 // Finds first GPX point
1028 outer: for (GpxTrack trk : gpx.tracks) {
1029 for (GpxTrackSegment segment : trk.getSegments()) {
1030 for (WayPoint curWp : segment.getWayPoints()) {
1031 String curDateWpStr = curWp.getString(GpxConstants.PT_TIME);
1032 if (curDateWpStr == null) {
1033 continue;
1034 }
1035
1036 try {
1037 firstGPXDate = dateParser.parse(curDateWpStr).getTime()/1000;
1038 break outer;
1039 } catch (Exception e) {
1040 Main.warn(e);
1041 }
1042 }
1043 }
1044 }
1045
1046 // No GPX timestamps found, exit
1047 if (firstGPXDate < 0) {
1048 JOptionPane.showMessageDialog(Main.parent,
1049 tr("The selected GPX track does not contain timestamps. Please select another one."),
1050 tr("GPX Track has no time information"), JOptionPane.WARNING_MESSAGE);
1051 return;
1052 }
1053
1054 // seconds
1055 long diff = firstExifDate - firstGPXDate;
1056
1057 double diffInH = (double) diff/(60*60); // hours
1058
1059 // Find day difference
1060 int dayOffset = (int) Math.round(diffInH / 24); // days
1061 double tz = diff - dayOffset*24*60*60L; // seconds
1062
1063 // In hours, rounded to two decimal places
1064 tz = (double) Math.round(tz*100/(60*60)) / 100;
1065
1066 // Due to imprecise clocks we might get a "+3:28" timezone, which should obviously be 3:30 with
1067 // -2 minutes offset. This determines the real timezone and finds offset.
1068 timezone = (double) Math.round(tz * 2)/2; // hours, rounded to one decimal place
1069 delta = Math.round(diff - timezone*60*60); // seconds
1070
1071 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
1072 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
1073
1074 tfTimezone.setText(formatTimezone(timezone));
1075 tfOffset.setText(Long.toString(delta));
1076 tfOffset.requestFocus();
1077
1078 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1079 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1080
1081 statusBarUpdater.updateStatusBar();
1082 yLayer.updateBufferAndRepaint();
1083 }
1084 }
1085
1086 private List<ImageEntry> getSortedImgList() {
1087 return getSortedImgList(cbExifImg.isSelected(), cbTaggedImg.isSelected());
1088 }
1089
1090 /**
1091 * Returns a list of images that fulfill the given criteria.
1092 * Default setting is to return untagged images, but may be overwritten.
1093 * @param exif also returns images with exif-gps info
1094 * @param tagged also returns tagged images
1095 * @return matching images
1096 */
1097 private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) {
1098 List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.data.size());
1099 for (ImageEntry e : yLayer.data) {
1100 if (!e.hasExifTime()) {
1101 continue;
1102 }
1103
1104 if (e.getExifCoor() != null && !exif) {
1105 continue;
1106 }
1107
1108 if (e.isTagged() && e.getExifCoor() == null && !tagged) {
1109 continue;
1110 }
1111
1112 dateImgLst.add(e);
1113 }
1114
1115 Collections.sort(dateImgLst, new Comparator<ImageEntry>() {
1116 @Override
1117 public int compare(ImageEntry arg0, ImageEntry arg1) {
1118 return arg0.getExifTime().compareTo(arg1.getExifTime());
1119 }
1120 });
1121
1122 return dateImgLst;
1123 }
1124
1125 private GpxDataWrapper selectedGPX(boolean complain) {
1126 Object item = cbGpx.getSelectedItem();
1127
1128 if (item == null || ((GpxDataWrapper) item).file == null) {
1129 if (complain) {
1130 JOptionPane.showMessageDialog(Main.parent, tr("You should select a GPX track"),
1131 tr("No selected GPX track"), JOptionPane.ERROR_MESSAGE);
1132 }
1133 return null;
1134 }
1135 return (GpxDataWrapper) item;
1136 }
1137
1138 /**
1139 * Match a list of photos to a gpx track with a given offset.
1140 * All images need a exifTime attribute and the List must be sorted according to these times.
1141 */
1142 private int matchGpxTrack(List<ImageEntry> images, GpxData selectedGpx, long offset) {
1143 int ret = 0;
1144
1145 PrimaryDateParser dateParser = new PrimaryDateParser();
1146
1147 for (GpxTrack trk : selectedGpx.tracks) {
1148 for (GpxTrackSegment segment : trk.getSegments()) {
1149
1150 long prevWpTime = 0;
1151 WayPoint prevWp = null;
1152
1153 for (WayPoint curWp : segment.getWayPoints()) {
1154
1155 String curWpTimeStr = curWp.getString(GpxConstants.PT_TIME);
1156 if (curWpTimeStr != null) {
1157
1158 try {
1159 long curWpTime = dateParser.parse(curWpTimeStr).getTime() + offset;
1160 ret += matchPoints(images, prevWp, prevWpTime, curWp, curWpTime, offset);
1161
1162 prevWp = curWp;
1163 prevWpTime = curWpTime;
1164
1165 } catch (ParseException e) {
1166 Main.error("Error while parsing date \"" + curWpTimeStr + '"');
1167 Main.error(e);
1168 prevWp = null;
1169 prevWpTime = 0;
1170 }
1171 } else {
1172 prevWp = null;
1173 prevWpTime = 0;
1174 }
1175 }
1176 }
1177 }
1178 return ret;
1179 }
1180
1181 private static Double getElevation(WayPoint wp) {
1182 String value = wp.getString(GpxConstants.PT_ELE);
1183 if (value != null) {
1184 try {
1185 return new Double(value);
1186 } catch (NumberFormatException e) {
1187 Main.warn(e);
1188 }
1189 }
1190 return null;
1191 }
1192
1193 private int matchPoints(List<ImageEntry> images, WayPoint prevWp, long prevWpTime,
1194 WayPoint curWp, long curWpTime, long offset) {
1195 // Time between the track point and the previous one, 5 sec if first point, i.e. photos take
1196 // 5 sec before the first track point can be assumed to be take at the starting position
1197 long interval = prevWpTime > 0 ? Math.abs(curWpTime - prevWpTime) : 5*1000;
1198 int ret = 0;
1199
1200 // i is the index of the timewise last photo that has the same or earlier EXIF time
1201 int i = getLastIndexOfListBefore(images, curWpTime);
1202
1203 // no photos match
1204 if (i < 0)
1205 return 0;
1206
1207 Double speed = null;
1208 Double prevElevation = null;
1209
1210 if (prevWp != null) {
1211 double distance = prevWp.getCoor().greatCircleDistance(curWp.getCoor());
1212 // This is in km/h, 3.6 * m/s
1213 if (curWpTime > prevWpTime) {
1214 speed = 3600 * distance / (curWpTime - prevWpTime);
1215 }
1216 prevElevation = getElevation(prevWp);
1217 }
1218
1219 Double curElevation = getElevation(curWp);
1220
1221 // First trackpoint, then interval is set to five seconds, i.e. photos up to five seconds
1222 // before the first point will be geotagged with the starting point
1223 if (prevWpTime == 0 || curWpTime <= prevWpTime) {
1224 while (i >= 0) {
1225 final ImageEntry curImg = images.get(i);
1226 long time = curImg.getExifTime().getTime();
1227 if (time > curWpTime || time < curWpTime - interval) {
1228 break;
1229 }
1230 if (curImg.tmp.getPos() == null) {
1231 curImg.tmp.setPos(curWp.getCoor());
1232 curImg.tmp.setSpeed(speed);
1233 curImg.tmp.setElevation(curElevation);
1234 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1235 curImg.flagNewGpsData();
1236 ret++;
1237 }
1238 i--;
1239 }
1240 return ret;
1241 }
1242
1243 // This code gives a simple linear interpolation of the coordinates between current and
1244 // previous track point assuming a constant speed in between
1245 while (i >= 0) {
1246 ImageEntry curImg = images.get(i);
1247 long imgTime = curImg.getExifTime().getTime();
1248 if (imgTime < prevWpTime) {
1249 break;
1250 }
1251
1252 if (curImg.tmp.getPos() == null && prevWp != null) {
1253 // The values of timeDiff are between 0 and 1, it is not seconds but a dimensionless variable
1254 double timeDiff = (double) (imgTime - prevWpTime) / interval;
1255 curImg.tmp.setPos(prevWp.getCoor().interpolate(curWp.getCoor(), timeDiff));
1256 curImg.tmp.setSpeed(speed);
1257 if (curElevation != null && prevElevation != null) {
1258 curImg.tmp.setElevation(prevElevation + (curElevation - prevElevation) * timeDiff);
1259 }
1260 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1261 curImg.flagNewGpsData();
1262
1263 ret++;
1264 }
1265 i--;
1266 }
1267 return ret;
1268 }
1269
1270 private int getLastIndexOfListBefore(List<ImageEntry> images, long searchedTime) {
1271 int lstSize = images.size();
1272
1273 // No photos or the first photo taken is later than the search period
1274 if (lstSize == 0 || searchedTime < images.get(0).getExifTime().getTime())
1275 return -1;
1276
1277 // The search period is later than the last photo
1278 if (searchedTime > images.get(lstSize - 1).getExifTime().getTime())
1279 return lstSize-1;
1280
1281 // The searched index is somewhere in the middle, do a binary search from the beginning
1282 int curIndex = 0;
1283 int startIndex = 0;
1284 int endIndex = lstSize-1;
1285 while (endIndex - startIndex > 1) {
1286 curIndex = (endIndex + startIndex) / 2;
1287 if (searchedTime > images.get(curIndex).getExifTime().getTime()) {
1288 startIndex = curIndex;
1289 } else {
1290 endIndex = curIndex;
1291 }
1292 }
1293 if (searchedTime < images.get(endIndex).getExifTime().getTime())
1294 return startIndex;
1295
1296 // This final loop is to check if photos with the exact same EXIF time follows
1297 while ((endIndex < (lstSize-1)) && (images.get(endIndex).getExifTime().getTime()
1298 == images.get(endIndex + 1).getExifTime().getTime())) {
1299 endIndex++;
1300 }
1301 return endIndex;
1302 }
1303
1304 private String formatTimezone(double timezone) {
1305 StringBuilder ret = new StringBuilder();
1306
1307 if (timezone < 0) {
1308 ret.append('-');
1309 timezone = -timezone;
1310 } else {
1311 ret.append('+');
1312 }
1313 ret.append((long) timezone).append(':');
1314 int minutes = (int) ((timezone % 1) * 60);
1315 if (minutes < 10) {
1316 ret.append('0');
1317 }
1318 ret.append(minutes);
1319
1320 return ret.toString();
1321 }
1322
1323 private double parseTimezone(String timezone) throws ParseException {
1324
1325 if (timezone.isEmpty())
1326 return 0;
1327
1328 String error = tr("Error while parsing timezone.\nExpected format: {0}", "+H:MM");
1329
1330 char sgnTimezone = '+';
1331 StringBuilder hTimezone = new StringBuilder();
1332 StringBuilder mTimezone = new StringBuilder();
1333 int state = 1; // 1=start/sign, 2=hours, 3=minutes.
1334 for (int i = 0; i < timezone.length(); i++) {
1335 char c = timezone.charAt(i);
1336 switch (c) {
1337 case ' ' :
1338 if (state != 2 || hTimezone.length() != 0)
1339 throw new ParseException(error, i);
1340 break;
1341 case '+' :
1342 case '-' :
1343 if (state == 1) {
1344 sgnTimezone = c;
1345 state = 2;
1346 } else
1347 throw new ParseException(error, i);
1348 break;
1349 case ':' :
1350 case '.' :
1351 if (state == 2) {
1352 state = 3;
1353 } else
1354 throw new ParseException(error, i);
1355 break;
1356 case '0' : case '1' : case '2' : case '3' : case '4' :
1357 case '5' : case '6' : case '7' : case '8' : case '9' :
1358 switch(state) {
1359 case 1 :
1360 case 2 :
1361 state = 2;
1362 hTimezone.append(c);
1363 break;
1364 case 3 :
1365 mTimezone.append(c);
1366 break;
1367 default :
1368 throw new ParseException(error, i);
1369 }
1370 break;
1371 default :
1372 throw new ParseException(error, i);
1373 }
1374 }
1375
1376 int h = 0;
1377 int m = 0;
1378 try {
1379 h = Integer.parseInt(hTimezone.toString());
1380 if (mTimezone.length() > 0) {
1381 m = Integer.parseInt(mTimezone.toString());
1382 }
1383 } catch (NumberFormatException nfe) {
1384 // Invalid timezone
1385 throw new ParseException(error, 0);
1386 }
1387
1388 if (h > 12 || m > 59)
1389 throw new ParseException(error, 0);
1390 else
1391 return (h + m / 60.0) * (sgnTimezone == '-' ? -1 : 1);
1392 }
1393
1394 private long parseOffset(String offset) throws ParseException {
1395 String error = tr("Error while parsing offset.\nExpected format: {0}", "number");
1396
1397 if (!offset.isEmpty()) {
1398 try {
1399 if (offset.startsWith("+")) {
1400 offset = offset.substring(1);
1401 }
1402 return Long.parseLong(offset);
1403 } catch (NumberFormatException nfe) {
1404 throw new ParseException(error, 0);
1405 }
1406 } else {
1407 return 0;
1408 }
1409 }
1410}
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