source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java@ 10420

Last change on this file since 10420 was 10420, checked in by Don-vip, 8 years ago

sonar - squid:S1166 - Exception handlers should preserve the original exceptions
  • Property svn:eol-style set to native
File size: 56.0 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.GraphicsEnvironment;
12import java.awt.GridBagConstraints;
13import java.awt.GridBagLayout;
14import java.awt.event.ActionEvent;
15import java.awt.event.ActionListener;
16import java.awt.event.FocusEvent;
17import java.awt.event.FocusListener;
18import java.awt.event.ItemEvent;
19import java.awt.event.ItemListener;
20import java.awt.event.WindowAdapter;
21import java.awt.event.WindowEvent;
22import java.io.File;
23import java.io.FileInputStream;
24import java.io.IOException;
25import java.io.InputStream;
26import java.text.DateFormat;
27import java.text.ParseException;
28import java.text.SimpleDateFormat;
29import java.util.ArrayList;
30import java.util.Collection;
31import java.util.Collections;
32import java.util.Comparator;
33import java.util.Date;
34import java.util.Dictionary;
35import java.util.Hashtable;
36import java.util.List;
37import java.util.Locale;
38import java.util.Objects;
39import java.util.TimeZone;
40import java.util.zip.GZIPInputStream;
41
42import javax.swing.AbstractAction;
43import javax.swing.AbstractListModel;
44import javax.swing.BorderFactory;
45import javax.swing.JButton;
46import javax.swing.JCheckBox;
47import javax.swing.JFileChooser;
48import javax.swing.JLabel;
49import javax.swing.JList;
50import javax.swing.JOptionPane;
51import javax.swing.JPanel;
52import javax.swing.JScrollPane;
53import javax.swing.JSeparator;
54import javax.swing.JSlider;
55import javax.swing.ListSelectionModel;
56import javax.swing.MutableComboBoxModel;
57import javax.swing.SwingConstants;
58import javax.swing.event.ChangeEvent;
59import javax.swing.event.ChangeListener;
60import javax.swing.event.DocumentEvent;
61import javax.swing.event.DocumentListener;
62import javax.swing.event.ListSelectionEvent;
63import javax.swing.event.ListSelectionListener;
64import javax.swing.filechooser.FileFilter;
65
66import org.openstreetmap.josm.Main;
67import org.openstreetmap.josm.actions.DiskAccessAction;
68import org.openstreetmap.josm.data.gpx.GpxConstants;
69import org.openstreetmap.josm.data.gpx.GpxData;
70import org.openstreetmap.josm.data.gpx.GpxTrack;
71import org.openstreetmap.josm.data.gpx.GpxTrackSegment;
72import org.openstreetmap.josm.data.gpx.WayPoint;
73import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
74import org.openstreetmap.josm.gui.ExtendedDialog;
75import org.openstreetmap.josm.gui.layer.GpxLayer;
76import org.openstreetmap.josm.gui.layer.Layer;
77import org.openstreetmap.josm.gui.widgets.AbstractFileChooser;
78import org.openstreetmap.josm.gui.widgets.JosmComboBox;
79import org.openstreetmap.josm.gui.widgets.JosmTextField;
80import org.openstreetmap.josm.io.GpxReader;
81import org.openstreetmap.josm.io.JpgImporter;
82import org.openstreetmap.josm.tools.ExifReader;
83import org.openstreetmap.josm.tools.GBC;
84import org.openstreetmap.josm.tools.ImageProvider;
85import org.openstreetmap.josm.tools.Pair;
86import org.openstreetmap.josm.tools.Utils;
87import org.openstreetmap.josm.tools.date.DateUtils;
88import org.xml.sax.SAXException;
89
90/**
91 * This class displays the window to select the GPX file and the offset (timezone + delta).
92 * Then it correlates the images of the layer with that GPX file.
93 */
94public class CorrelateGpxWithImages extends AbstractAction {
95
96 private static List<GpxData> loadedGpxData = new ArrayList<>();
97
98 private final transient GeoImageLayer yLayer;
99 private transient Timezone timezone;
100 private transient Offset delta;
101
102 /**
103 * Constructs a new {@code CorrelateGpxWithImages} action.
104 * @param layer The image layer
105 */
106 public CorrelateGpxWithImages(GeoImageLayer layer) {
107 super(tr("Correlate to GPX"), ImageProvider.get("dialogs/geoimage/gpx2img"));
108 this.yLayer = layer;
109 }
110
111 private final class SyncDialogWindowListener extends WindowAdapter {
112 private static final int CANCEL = -1;
113 private static final int DONE = 0;
114 private static final int AGAIN = 1;
115 private static final int NOTHING = 2;
116
117 private int checkAndSave() {
118 if (syncDialog.isVisible())
119 // nothing happened: JOSM was minimized or similar
120 return NOTHING;
121 int answer = syncDialog.getValue();
122 if (answer != 1)
123 return CANCEL;
124
125 // Parse values again, to display an error if the format is not recognized
126 try {
127 timezone = Timezone.parseTimezone(tfTimezone.getText().trim());
128 } catch (ParseException e) {
129 JOptionPane.showMessageDialog(Main.parent, e.getMessage(),
130 tr("Invalid timezone"), JOptionPane.ERROR_MESSAGE);
131 return AGAIN;
132 }
133
134 try {
135 delta = Offset.parseOffset(tfOffset.getText().trim());
136 } catch (ParseException e) {
137 JOptionPane.showMessageDialog(Main.parent, e.getMessage(),
138 tr("Invalid offset"), JOptionPane.ERROR_MESSAGE);
139 return AGAIN;
140 }
141
142 if (lastNumMatched == 0 && new ExtendedDialog(
143 Main.parent,
144 tr("Correlate images with GPX track"),
145 new String[] {tr("OK"), tr("Try Again")}).
146 setContent(tr("No images could be matched!")).
147 setButtonIcons(new String[] {"ok", "dialogs/refresh"}).
148 showDialog().getValue() == 2)
149 return AGAIN;
150 return DONE;
151 }
152
153 @Override
154 public void windowDeactivated(WindowEvent e) {
155 int result = checkAndSave();
156 switch (result) {
157 case NOTHING:
158 break;
159 case CANCEL:
160 if (yLayer != null) {
161 if (yLayer.data != null) {
162 for (ImageEntry ie : yLayer.data) {
163 ie.discardTmp();
164 }
165 }
166 yLayer.updateBufferAndRepaint();
167 }
168 break;
169 case AGAIN:
170 actionPerformed(null);
171 break;
172 case DONE:
173 Main.pref.put("geoimage.timezone", timezone.formatTimezone());
174 Main.pref.put("geoimage.delta", delta.formatOffset());
175 Main.pref.put("geoimage.showThumbs", yLayer.useThumbs);
176
177 yLayer.useThumbs = cbShowThumbs.isSelected();
178 yLayer.startLoadThumbs();
179
180 // Search whether an other layer has yet defined some bounding box.
181 // If none, we'll zoom to the bounding box of the layer with the photos.
182 boolean boundingBoxedLayerFound = false;
183 for (Layer l: Main.getLayerManager().getLayers()) {
184 if (l != yLayer) {
185 BoundingXYVisitor bbox = new BoundingXYVisitor();
186 l.visitBoundingBox(bbox);
187 if (bbox.getBounds() != null) {
188 boundingBoxedLayerFound = true;
189 break;
190 }
191 }
192 }
193 if (!boundingBoxedLayerFound) {
194 BoundingXYVisitor bbox = new BoundingXYVisitor();
195 yLayer.visitBoundingBox(bbox);
196 Main.map.mapView.zoomTo(bbox);
197 }
198
199 if (yLayer.data != null) {
200 for (ImageEntry ie : yLayer.data) {
201 ie.applyTmp();
202 }
203 }
204
205 yLayer.updateBufferAndRepaint();
206
207 break;
208 default:
209 throw new IllegalStateException();
210 }
211 }
212 }
213
214 private static class GpxDataWrapper {
215 private final String name;
216 private final GpxData data;
217 private final File file;
218
219 GpxDataWrapper(String name, GpxData data, File file) {
220 this.name = name;
221 this.data = data;
222 this.file = file;
223 }
224
225 @Override
226 public String toString() {
227 return name;
228 }
229 }
230
231 private ExtendedDialog syncDialog;
232 private final transient List<GpxDataWrapper> gpxLst = new ArrayList<>();
233 private JPanel outerPanel;
234 private JosmComboBox<GpxDataWrapper> cbGpx;
235 private JosmTextField tfTimezone;
236 private JosmTextField tfOffset;
237 private JCheckBox cbExifImg;
238 private JCheckBox cbTaggedImg;
239 private JCheckBox cbShowThumbs;
240 private JLabel statusBarText;
241
242 // remember the last number of matched photos
243 private int lastNumMatched;
244
245 /** This class is called when the user doesn't find the GPX file he needs in the files that have
246 * been loaded yet. It displays a FileChooser dialog to select the GPX file to be loaded.
247 */
248 private class LoadGpxDataActionListener implements ActionListener {
249
250 @Override
251 public void actionPerformed(ActionEvent arg0) {
252 FileFilter filter = new FileFilter() {
253 @Override
254 public boolean accept(File f) {
255 return f.isDirectory() || Utils.hasExtension(f, "gpx", "gpx.gz");
256 }
257
258 @Override
259 public String getDescription() {
260 return tr("GPX Files (*.gpx *.gpx.gz)");
261 }
262 };
263 AbstractFileChooser fc = DiskAccessAction.createAndOpenFileChooser(true, false, null, filter, JFileChooser.FILES_ONLY, null);
264 if (fc == null)
265 return;
266 File sel = fc.getSelectedFile();
267
268 try {
269 outerPanel.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
270
271 for (int i = gpxLst.size() - 1; i >= 0; i--) {
272 GpxDataWrapper wrapper = gpxLst.get(i);
273 if (wrapper.file != null && sel.equals(wrapper.file)) {
274 cbGpx.setSelectedIndex(i);
275 if (!sel.getName().equals(wrapper.name)) {
276 JOptionPane.showMessageDialog(
277 Main.parent,
278 tr("File {0} is loaded yet under the name \"{1}\"", sel.getName(), wrapper.name),
279 tr("Error"),
280 JOptionPane.ERROR_MESSAGE
281 );
282 }
283 return;
284 }
285 }
286 GpxData data = null;
287 try (InputStream iStream = createInputStream(sel)) {
288 GpxReader reader = new GpxReader(iStream);
289 reader.parse(false);
290 data = reader.getGpxData();
291 data.storageFile = sel;
292
293 } catch (SAXException x) {
294 Main.error(x);
295 JOptionPane.showMessageDialog(
296 Main.parent,
297 tr("Error while parsing {0}", sel.getName())+": "+x.getMessage(),
298 tr("Error"),
299 JOptionPane.ERROR_MESSAGE
300 );
301 return;
302 } catch (IOException x) {
303 Main.error(x);
304 JOptionPane.showMessageDialog(
305 Main.parent,
306 tr("Could not read \"{0}\"", sel.getName())+'\n'+x.getMessage(),
307 tr("Error"),
308 JOptionPane.ERROR_MESSAGE
309 );
310 return;
311 }
312
313 MutableComboBoxModel<GpxDataWrapper> model = (MutableComboBoxModel<GpxDataWrapper>) cbGpx.getModel();
314 loadedGpxData.add(data);
315 if (gpxLst.get(0).file == null) {
316 gpxLst.remove(0);
317 model.removeElementAt(0);
318 }
319 GpxDataWrapper elem = new GpxDataWrapper(sel.getName(), data, sel);
320 gpxLst.add(elem);
321 model.addElement(elem);
322 cbGpx.setSelectedIndex(cbGpx.getItemCount() - 1);
323 } finally {
324 outerPanel.setCursor(Cursor.getDefaultCursor());
325 }
326 }
327
328 private InputStream createInputStream(File sel) throws IOException {
329 if (Utils.hasExtension(sel, "gpx.gz")) {
330 return new GZIPInputStream(new FileInputStream(sel));
331 } else {
332 return new FileInputStream(sel);
333 }
334 }
335 }
336
337 /**
338 * This action listener is called when the user has a photo of the time of his GPS receiver. It
339 * displays the list of photos of the layer, and upon selection displays the selected photo.
340 * From that photo, the user can key in the time of the GPS.
341 * Then values of timezone and delta are set.
342 * @author chris
343 *
344 */
345 private class SetOffsetActionListener implements ActionListener {
346 private JPanel panel;
347 private JLabel lbExifTime;
348 private JosmTextField tfGpsTime;
349 private JosmComboBox<String> cbTimezones;
350 private ImageDisplay imgDisp;
351 private JList<String> imgList;
352
353 @Override
354 public void actionPerformed(ActionEvent arg0) {
355 SimpleDateFormat dateFormat = (SimpleDateFormat) DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
356
357 panel = new JPanel(new BorderLayout());
358 panel.add(new JLabel(tr("<html>Take a photo of your GPS receiver while it displays the time.<br>"
359 + "Display that photo here.<br>"
360 + "And then, simply capture the time you read on the photo and select a timezone<hr></html>")),
361 BorderLayout.NORTH);
362
363 imgDisp = new ImageDisplay();
364 imgDisp.setPreferredSize(new Dimension(300, 225));
365 panel.add(imgDisp, BorderLayout.CENTER);
366
367 JPanel panelTf = new JPanel(new GridBagLayout());
368
369 GridBagConstraints gc = new GridBagConstraints();
370 gc.gridx = gc.gridy = 0;
371 gc.gridwidth = gc.gridheight = 1;
372 gc.weightx = gc.weighty = 0.0;
373 gc.fill = GridBagConstraints.NONE;
374 gc.anchor = GridBagConstraints.WEST;
375 panelTf.add(new JLabel(tr("Photo time (from exif):")), gc);
376
377 lbExifTime = new JLabel();
378 gc.gridx = 1;
379 gc.weightx = 1.0;
380 gc.fill = GridBagConstraints.HORIZONTAL;
381 gc.gridwidth = 2;
382 panelTf.add(lbExifTime, gc);
383
384 gc.gridx = 0;
385 gc.gridy = 1;
386 gc.gridwidth = gc.gridheight = 1;
387 gc.weightx = gc.weighty = 0.0;
388 gc.fill = GridBagConstraints.NONE;
389 gc.anchor = GridBagConstraints.WEST;
390 panelTf.add(new JLabel(tr("Gps time (read from the above photo): ")), gc);
391
392 tfGpsTime = new JosmTextField(12);
393 tfGpsTime.setEnabled(false);
394 tfGpsTime.setMinimumSize(new Dimension(155, tfGpsTime.getMinimumSize().height));
395 gc.gridx = 1;
396 gc.weightx = 1.0;
397 gc.fill = GridBagConstraints.HORIZONTAL;
398 panelTf.add(tfGpsTime, gc);
399
400 gc.gridx = 2;
401 gc.weightx = 0.2;
402 panelTf.add(new JLabel(" ["+dateFormat.toLocalizedPattern()+']'), gc);
403
404 gc.gridx = 0;
405 gc.gridy = 2;
406 gc.gridwidth = gc.gridheight = 1;
407 gc.weightx = gc.weighty = 0.0;
408 gc.fill = GridBagConstraints.NONE;
409 gc.anchor = GridBagConstraints.WEST;
410 panelTf.add(new JLabel(tr("I am in the timezone of: ")), gc);
411
412 String[] tmp = TimeZone.getAvailableIDs();
413 List<String> vtTimezones = new ArrayList<>(tmp.length);
414
415 for (String tzStr : tmp) {
416 TimeZone tz = TimeZone.getTimeZone(tzStr);
417
418 String tzDesc = new StringBuilder(tzStr).append(" (")
419 .append(new Timezone(tz.getRawOffset() / 3600000.0).formatTimezone())
420 .append(')').toString();
421 vtTimezones.add(tzDesc);
422 }
423
424 Collections.sort(vtTimezones);
425
426 cbTimezones = new JosmComboBox<>(vtTimezones.toArray(new String[0]));
427
428 String tzId = Main.pref.get("geoimage.timezoneid", "");
429 TimeZone defaultTz;
430 if (tzId.isEmpty()) {
431 defaultTz = TimeZone.getDefault();
432 } else {
433 defaultTz = TimeZone.getTimeZone(tzId);
434 }
435
436 cbTimezones.setSelectedItem(new StringBuilder(defaultTz.getID()).append(" (")
437 .append(new Timezone(defaultTz.getRawOffset() / 3600000.0).formatTimezone())
438 .append(')').toString());
439
440 gc.gridx = 1;
441 gc.weightx = 1.0;
442 gc.gridwidth = 2;
443 gc.fill = GridBagConstraints.HORIZONTAL;
444 panelTf.add(cbTimezones, gc);
445
446 panel.add(panelTf, BorderLayout.SOUTH);
447
448 JPanel panelLst = new JPanel(new BorderLayout());
449
450 imgList = new JList<>(new AbstractListModel<String>() {
451 @Override
452 public String getElementAt(int i) {
453 return yLayer.data.get(i).getFile().getName();
454 }
455
456 @Override
457 public int getSize() {
458 return yLayer.data != null ? yLayer.data.size() : 0;
459 }
460 });
461 imgList.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
462 imgList.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
463
464 @Override
465 public void valueChanged(ListSelectionEvent arg0) {
466 int index = imgList.getSelectedIndex();
467 Integer orientation = ExifReader.readOrientation(yLayer.data.get(index).getFile());
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 = ExifReader.readOrientation(sel);
498 imgDisp.setImage(sel, orientation);
499
500 Date date = ExifReader.readTime(sel);
501 if (date != null) {
502 lbExifTime.setText(DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM).format(date));
503 tfGpsTime.setText(DateUtils.getDateFormat(DateFormat.SHORT).format(date)+' ');
504 tfGpsTime.setEnabled(true);
505 } else {
506 lbExifTime.setText(tr("No date"));
507 tfGpsTime.setText("");
508 tfGpsTime.setEnabled(false);
509 }
510 }
511 });
512 panelLst.add(openButton, BorderLayout.PAGE_END);
513
514 panel.add(panelLst, BorderLayout.LINE_START);
515
516 boolean isOk = false;
517 while (!isOk) {
518 int answer = JOptionPane.showConfirmDialog(
519 Main.parent, panel,
520 tr("Synchronize time from a photo of the GPS receiver"),
521 JOptionPane.OK_CANCEL_OPTION,
522 JOptionPane.QUESTION_MESSAGE
523 );
524 if (answer == JOptionPane.CANCEL_OPTION)
525 return;
526
527 long delta;
528
529 try {
530 delta = dateFormat.parse(lbExifTime.getText()).getTime()
531 - dateFormat.parse(tfGpsTime.getText()).getTime();
532 } catch (ParseException e) {
533 JOptionPane.showMessageDialog(Main.parent, tr("Error while parsing the date.\n"
534 + "Please use the requested format"),
535 tr("Invalid date"), JOptionPane.ERROR_MESSAGE);
536 continue;
537 }
538
539 String selectedTz = (String) cbTimezones.getSelectedItem();
540 int pos = selectedTz.lastIndexOf('(');
541 tzId = selectedTz.substring(0, pos - 1);
542 String tzValue = selectedTz.substring(pos + 1, selectedTz.length() - 1);
543
544 Main.pref.put("geoimage.timezoneid", tzId);
545 tfOffset.setText(Offset.milliseconds(delta).formatOffset());
546 tfTimezone.setText(tzValue);
547
548 isOk = true;
549
550 }
551 statusBarUpdater.updateStatusBar();
552 yLayer.updateBufferAndRepaint();
553 }
554 }
555
556 @Override
557 public void actionPerformed(ActionEvent arg0) {
558 // Construct the list of loaded GPX tracks
559 Collection<Layer> layerLst = Main.getLayerManager().getLayers();
560 GpxDataWrapper defaultItem = null;
561 for (Layer cur : layerLst) {
562 if (cur instanceof GpxLayer) {
563 GpxLayer curGpx = (GpxLayer) cur;
564 GpxDataWrapper gdw = new GpxDataWrapper(curGpx.getName(), curGpx.data, curGpx.data.storageFile);
565 gpxLst.add(gdw);
566 if (cur == yLayer.gpxLayer) {
567 defaultItem = gdw;
568 }
569 }
570 }
571 for (GpxData data : loadedGpxData) {
572 gpxLst.add(new GpxDataWrapper(data.storageFile.getName(),
573 data,
574 data.storageFile));
575 }
576
577 if (gpxLst.isEmpty()) {
578 gpxLst.add(new GpxDataWrapper(tr("<No GPX track loaded yet>"), null, null));
579 }
580
581 JPanel panelCb = new JPanel();
582
583 panelCb.add(new JLabel(tr("GPX track: ")));
584
585 cbGpx = new JosmComboBox<>(gpxLst.toArray(new GpxDataWrapper[0]));
586 if (defaultItem != null) {
587 cbGpx.setSelectedItem(defaultItem);
588 }
589 cbGpx.addActionListener(statusBarUpdaterWithRepaint);
590 panelCb.add(cbGpx);
591
592 JButton buttonOpen = new JButton(tr("Open another GPX trace"));
593 buttonOpen.addActionListener(new LoadGpxDataActionListener());
594 panelCb.add(buttonOpen);
595
596 JPanel panelTf = new JPanel(new GridBagLayout());
597
598 String prefTimezone = Main.pref.get("geoimage.timezone", "0:00");
599 if (prefTimezone == null) {
600 prefTimezone = "0:00";
601 }
602 try {
603 timezone = Timezone.parseTimezone(prefTimezone);
604 } catch (ParseException e) {
605 timezone = Timezone.ZERO;
606 }
607
608 tfTimezone = new JosmTextField(10);
609 tfTimezone.setText(timezone.formatTimezone());
610
611 try {
612 delta = Offset.parseOffset(Main.pref.get("geoimage.delta", "0"));
613 } catch (ParseException e) {
614 delta = Offset.ZERO;
615 }
616
617 tfOffset = new JosmTextField(10);
618 tfOffset.setText(delta.formatOffset());
619
620 JButton buttonViewGpsPhoto = new JButton(tr("<html>Use photo of an accurate clock,<br>"
621 + "e.g. GPS receiver display</html>"));
622 buttonViewGpsPhoto.setIcon(ImageProvider.get("clock"));
623 buttonViewGpsPhoto.addActionListener(new SetOffsetActionListener());
624
625 JButton buttonAutoGuess = new JButton(tr("Auto-Guess"));
626 buttonAutoGuess.setToolTipText(tr("Matches first photo with first gpx point"));
627 buttonAutoGuess.addActionListener(new AutoGuessActionListener());
628
629 JButton buttonAdjust = new JButton(tr("Manual adjust"));
630 buttonAdjust.addActionListener(new AdjustActionListener());
631
632 JLabel labelPosition = new JLabel(tr("Override position for: "));
633
634 int numAll = getSortedImgList(true, true).size();
635 int numExif = numAll - getSortedImgList(false, true).size();
636 int numTagged = numAll - getSortedImgList(true, false).size();
637
638 cbExifImg = new JCheckBox(tr("Images with geo location in exif data ({0}/{1})", numExif, numAll));
639 cbExifImg.setEnabled(numExif != 0);
640
641 cbTaggedImg = new JCheckBox(tr("Images that are already tagged ({0}/{1})", numTagged, numAll), true);
642 cbTaggedImg.setEnabled(numTagged != 0);
643
644 labelPosition.setEnabled(cbExifImg.isEnabled() || cbTaggedImg.isEnabled());
645
646 boolean ticked = yLayer.thumbsLoaded || Main.pref.getBoolean("geoimage.showThumbs", false);
647 cbShowThumbs = new JCheckBox(tr("Show Thumbnail images on the map"), ticked);
648 cbShowThumbs.setEnabled(!yLayer.thumbsLoaded);
649
650 int y = 0;
651 GBC gbc = GBC.eol();
652 gbc.gridx = 0;
653 gbc.gridy = y++;
654 panelTf.add(panelCb, gbc);
655
656 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 0, 0, 12);
657 gbc.gridx = 0;
658 gbc.gridy = y++;
659 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
660
661 gbc = GBC.std();
662 gbc.gridx = 0;
663 gbc.gridy = y;
664 panelTf.add(new JLabel(tr("Timezone: ")), gbc);
665
666 gbc = GBC.std().fill(GBC.HORIZONTAL);
667 gbc.gridx = 1;
668 gbc.gridy = y++;
669 gbc.weightx = 1.;
670 panelTf.add(tfTimezone, gbc);
671
672 gbc = GBC.std();
673 gbc.gridx = 0;
674 gbc.gridy = y;
675 panelTf.add(new JLabel(tr("Offset:")), gbc);
676
677 gbc = GBC.std().fill(GBC.HORIZONTAL);
678 gbc.gridx = 1;
679 gbc.gridy = y++;
680 gbc.weightx = 1.;
681 panelTf.add(tfOffset, gbc);
682
683 gbc = GBC.std().insets(5, 5, 5, 5);
684 gbc.gridx = 2;
685 gbc.gridy = y-2;
686 gbc.gridheight = 2;
687 gbc.gridwidth = 2;
688 gbc.fill = GridBagConstraints.BOTH;
689 gbc.weightx = 0.5;
690 panelTf.add(buttonViewGpsPhoto, gbc);
691
692 gbc = GBC.std().fill(GBC.BOTH).insets(5, 5, 5, 5);
693 gbc.gridx = 2;
694 gbc.gridy = y++;
695 gbc.weightx = 0.5;
696 panelTf.add(buttonAutoGuess, gbc);
697
698 gbc.gridx = 3;
699 panelTf.add(buttonAdjust, gbc);
700
701 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 12, 0, 0);
702 gbc.gridx = 0;
703 gbc.gridy = y++;
704 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
705
706 gbc = GBC.eol();
707 gbc.gridx = 0;
708 gbc.gridy = y++;
709 panelTf.add(labelPosition, gbc);
710
711 gbc = GBC.eol();
712 gbc.gridx = 1;
713 gbc.gridy = y++;
714 panelTf.add(cbExifImg, gbc);
715
716 gbc = GBC.eol();
717 gbc.gridx = 1;
718 gbc.gridy = y++;
719 panelTf.add(cbTaggedImg, gbc);
720
721 gbc = GBC.eol();
722 gbc.gridx = 0;
723 gbc.gridy = y;
724 panelTf.add(cbShowThumbs, gbc);
725
726 final JPanel statusBar = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
727 statusBar.setBorder(BorderFactory.createLoweredBevelBorder());
728 statusBarText = new JLabel(" ");
729 statusBarText.setFont(statusBarText.getFont().deriveFont(8));
730 statusBar.add(statusBarText);
731
732 tfTimezone.addFocusListener(repaintTheMap);
733 tfOffset.addFocusListener(repaintTheMap);
734
735 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
736 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
737 cbExifImg.addItemListener(statusBarUpdaterWithRepaint);
738 cbTaggedImg.addItemListener(statusBarUpdaterWithRepaint);
739
740 statusBarUpdater.updateStatusBar();
741
742 outerPanel = new JPanel(new BorderLayout());
743 outerPanel.add(statusBar, BorderLayout.PAGE_END);
744
745 if (!GraphicsEnvironment.isHeadless()) {
746 syncDialog = new ExtendedDialog(
747 Main.parent,
748 tr("Correlate images with GPX track"),
749 new String[] {tr("Correlate"), tr("Cancel")},
750 false
751 );
752 syncDialog.setContent(panelTf, false);
753 syncDialog.setButtonIcons(new String[] {"ok", "cancel"});
754 syncDialog.setupDialog();
755 outerPanel.add(syncDialog.getContentPane(), BorderLayout.PAGE_START);
756 syncDialog.setContentPane(outerPanel);
757 syncDialog.pack();
758 syncDialog.addWindowListener(new SyncDialogWindowListener());
759 syncDialog.showDialog();
760 }
761 }
762
763 private final transient StatusBarUpdater statusBarUpdater = new StatusBarUpdater(false);
764 private final transient StatusBarUpdater statusBarUpdaterWithRepaint = new StatusBarUpdater(true);
765
766 private class StatusBarUpdater implements DocumentListener, ItemListener, ActionListener {
767 private final boolean doRepaint;
768
769 StatusBarUpdater(boolean doRepaint) {
770 this.doRepaint = doRepaint;
771 }
772
773 @Override
774 public void insertUpdate(DocumentEvent ev) {
775 updateStatusBar();
776 }
777
778 @Override
779 public void removeUpdate(DocumentEvent ev) {
780 updateStatusBar();
781 }
782
783 @Override
784 public void changedUpdate(DocumentEvent ev) {
785 // Do nothing
786 }
787
788 @Override
789 public void itemStateChanged(ItemEvent e) {
790 updateStatusBar();
791 }
792
793 @Override
794 public void actionPerformed(ActionEvent e) {
795 updateStatusBar();
796 }
797
798 public void updateStatusBar() {
799 statusBarText.setText(statusText());
800 if (doRepaint) {
801 yLayer.updateBufferAndRepaint();
802 }
803 }
804
805 private String statusText() {
806 try {
807 timezone = Timezone.parseTimezone(tfTimezone.getText().trim());
808 delta = Offset.parseOffset(tfOffset.getText().trim());
809 } catch (ParseException e) {
810 return e.getMessage();
811 }
812
813 // The selection of images we are about to correlate may have changed.
814 // So reset all images.
815 if (yLayer.data != null) {
816 for (ImageEntry ie: yLayer.data) {
817 ie.discardTmp();
818 }
819 }
820
821 // Construct a list of images that have a date, and sort them on the date.
822 List<ImageEntry> dateImgLst = getSortedImgList();
823 // Create a temporary copy for each image
824 for (ImageEntry ie : dateImgLst) {
825 ie.createTmp();
826 ie.tmp.setPos(null);
827 }
828
829 GpxDataWrapper selGpx = selectedGPX(false);
830 if (selGpx == null)
831 return tr("No gpx selected");
832
833 final long offsetMs = ((long) (timezone.getHours() * 3600 * 1000)) + delta.getMilliseconds(); // in milliseconds
834 lastNumMatched = matchGpxTrack(dateImgLst, selGpx.data, offsetMs);
835
836 return trn("<html>Matched <b>{0}</b> of <b>{1}</b> photo to GPX track.</html>",
837 "<html>Matched <b>{0}</b> of <b>{1}</b> photos to GPX track.</html>",
838 dateImgLst.size(), lastNumMatched, dateImgLst.size());
839 }
840 }
841
842 private final transient RepaintTheMapListener repaintTheMap = new RepaintTheMapListener();
843
844 private class RepaintTheMapListener implements FocusListener {
845 @Override
846 public void focusGained(FocusEvent e) { // do nothing
847 }
848
849 @Override
850 public void focusLost(FocusEvent e) {
851 yLayer.updateBufferAndRepaint();
852 }
853 }
854
855 /**
856 * Presents dialog with sliders for manual adjust.
857 */
858 private class AdjustActionListener implements ActionListener {
859
860 @Override
861 public void actionPerformed(ActionEvent arg0) {
862
863 final Offset offset = Offset.milliseconds(
864 delta.getMilliseconds() + Math.round(timezone.getHours() * 60 * 60 * 1000));
865 final int dayOffset = offset.getDayOffset();
866 final Pair<Timezone, Offset> timezoneOffsetPair = offset.withoutDayOffset().splitOutTimezone();
867
868 // Info Labels
869 final JLabel lblMatches = new JLabel();
870
871 // Timezone Slider
872 // The slider allows to switch timezon from -12:00 to 12:00 in 30 minutes steps. Therefore the range is -24 to 24.
873 final JLabel lblTimezone = new JLabel();
874 final JSlider sldTimezone = new JSlider(-24, 24, 0);
875 sldTimezone.setPaintLabels(true);
876 Dictionary<Integer, JLabel> labelTable = new Hashtable<>();
877 // CHECKSTYLE.OFF: ParenPad
878 for (int i = -12; i <= 12; i += 6) {
879 labelTable.put(i * 2, new JLabel(new Timezone(i).formatTimezone()));
880 }
881 // CHECKSTYLE.ON: ParenPad
882 sldTimezone.setLabelTable(labelTable);
883
884 // Minutes Slider
885 final JLabel lblMinutes = new JLabel();
886 final JSlider sldMinutes = new JSlider(-15, 15, 0);
887 sldMinutes.setPaintLabels(true);
888 sldMinutes.setMajorTickSpacing(5);
889
890 // Seconds slider
891 final JLabel lblSeconds = new JLabel();
892 final JSlider sldSeconds = new JSlider(-600, 600, 0);
893 sldSeconds.setPaintLabels(true);
894 labelTable = new Hashtable<>();
895 // CHECKSTYLE.OFF: ParenPad
896 for (int i = -60; i <= 60; i += 30) {
897 labelTable.put(i * 10, new JLabel(Offset.seconds(i).formatOffset()));
898 }
899 // CHECKSTYLE.ON: ParenPad
900 sldSeconds.setLabelTable(labelTable);
901 sldSeconds.setMajorTickSpacing(300);
902
903 // This is called whenever one of the sliders is moved.
904 // It updates the labels and also calls the "match photos" code
905 class SliderListener implements ChangeListener {
906 @Override
907 public void stateChanged(ChangeEvent e) {
908 timezone = new Timezone(sldTimezone.getValue() / 2.);
909
910 lblTimezone.setText(tr("Timezone: {0}", timezone.formatTimezone()));
911 lblMinutes.setText(tr("Minutes: {0}", sldMinutes.getValue()));
912 lblSeconds.setText(tr("Seconds: {0}", Offset.milliseconds(100L * sldSeconds.getValue()).formatOffset()));
913
914 delta = Offset.milliseconds(100L * sldSeconds.getValue()
915 + 1000L * 60 * sldMinutes.getValue()
916 + 1000L * 60 * 60 * 24 * dayOffset);
917
918 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
919 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
920
921 tfTimezone.setText(timezone.formatTimezone());
922 tfOffset.setText(delta.formatOffset());
923
924 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
925 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
926
927 lblMatches.setText(statusBarText.getText() + "<br>" + trn("(Time difference of {0} day)",
928 "Time difference of {0} days", Math.abs(dayOffset), Math.abs(dayOffset)));
929
930 statusBarUpdater.updateStatusBar();
931 yLayer.updateBufferAndRepaint();
932 }
933 }
934
935 // Put everything together
936 JPanel p = new JPanel(new GridBagLayout());
937 p.setPreferredSize(new Dimension(400, 230));
938 p.add(lblMatches, GBC.eol().fill());
939 p.add(lblTimezone, GBC.eol().fill());
940 p.add(sldTimezone, GBC.eol().fill().insets(0, 0, 0, 10));
941 p.add(lblMinutes, GBC.eol().fill());
942 p.add(sldMinutes, GBC.eol().fill().insets(0, 0, 0, 10));
943 p.add(lblSeconds, GBC.eol().fill());
944 p.add(sldSeconds, GBC.eol().fill());
945
946 // If there's an error in the calculation the found values
947 // will be off range for the sliders. Catch this error
948 // and inform the user about it.
949 try {
950 sldTimezone.setValue((int) (timezoneOffsetPair.a.getHours() * 2));
951 sldMinutes.setValue((int) (timezoneOffsetPair.b.getSeconds() / 60));
952 final long deciSeconds = timezoneOffsetPair.b.getMilliseconds() / 100;
953 sldSeconds.setValue((int) (deciSeconds % 60));
954 } catch (RuntimeException e) {
955 JOptionPane.showMessageDialog(Main.parent,
956 tr("An error occurred while trying to match the photos to the GPX track."
957 +" You can adjust the sliders to manually match the photos."),
958 tr("Matching photos to track failed"),
959 JOptionPane.WARNING_MESSAGE);
960 }
961
962 // Call the sliderListener once manually so labels get adjusted
963 new SliderListener().stateChanged(null);
964 // Listeners added here, otherwise it tries to match three times
965 // (when setting the default values)
966 sldTimezone.addChangeListener(new SliderListener());
967 sldMinutes.addChangeListener(new SliderListener());
968 sldSeconds.addChangeListener(new SliderListener());
969
970 // There is no way to cancel this dialog, all changes get applied
971 // immediately. Therefore "Close" is marked with an "OK" icon.
972 // Settings are only saved temporarily to the layer.
973 new ExtendedDialog(Main.parent,
974 tr("Adjust timezone and offset"),
975 new String[] {tr("Close")}).
976 setContent(p).setButtonIcons(new String[] {"ok"}).showDialog();
977 }
978 }
979
980 static class NoGpxTimestamps extends Exception {
981 }
982
983 /**
984 * Tries to auto-guess the timezone and offset.
985 *
986 * @param imgs the images to correlate
987 * @param gpx the gpx track to correlate to
988 * @return a pair of timezone and offset
989 * @throws IndexOutOfBoundsException when there are no images
990 * @throws NoGpxTimestamps when the gpx track does not contain a timestamp
991 */
992 static Pair<Timezone, Offset> autoGuess(List<ImageEntry> imgs, GpxData gpx) throws IndexOutOfBoundsException, NoGpxTimestamps {
993
994 // Init variables
995 long firstExifDate = imgs.get(0).getExifTime().getTime();
996
997 long firstGPXDate = -1;
998 // Finds first GPX point
999 outer: for (GpxTrack trk : gpx.tracks) {
1000 for (GpxTrackSegment segment : trk.getSegments()) {
1001 for (WayPoint curWp : segment.getWayPoints()) {
1002 final Date parsedTime = curWp.setTimeFromAttribute();
1003 if (parsedTime != null) {
1004 firstGPXDate = parsedTime.getTime();
1005 break outer;
1006 }
1007 }
1008 }
1009 }
1010
1011 if (firstGPXDate < 0) {
1012 throw new NoGpxTimestamps();
1013 }
1014
1015 return Offset.milliseconds(firstExifDate - firstGPXDate).splitOutTimezone();
1016 }
1017
1018 private class AutoGuessActionListener implements ActionListener {
1019
1020 @Override
1021 public void actionPerformed(ActionEvent arg0) {
1022 GpxDataWrapper gpxW = selectedGPX(true);
1023 if (gpxW == null)
1024 return;
1025 GpxData gpx = gpxW.data;
1026
1027 List<ImageEntry> imgs = getSortedImgList();
1028
1029 try {
1030 final Pair<Timezone, Offset> r = autoGuess(imgs, gpx);
1031 timezone = r.a;
1032 delta = r.b;
1033 } catch (IndexOutOfBoundsException ex) {
1034 Main.debug(ex);
1035 JOptionPane.showMessageDialog(Main.parent,
1036 tr("The selected photos do not contain time information."),
1037 tr("Photos do not contain time information"), JOptionPane.WARNING_MESSAGE);
1038 return;
1039 } catch (NoGpxTimestamps ex) {
1040 Main.debug(ex);
1041 JOptionPane.showMessageDialog(Main.parent,
1042 tr("The selected GPX track does not contain timestamps. Please select another one."),
1043 tr("GPX Track has no time information"), JOptionPane.WARNING_MESSAGE);
1044 return;
1045 }
1046
1047 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
1048 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
1049
1050 tfTimezone.setText(timezone.formatTimezone());
1051 tfOffset.setText(delta.formatOffset());
1052 tfOffset.requestFocus();
1053
1054 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1055 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1056
1057 statusBarUpdater.updateStatusBar();
1058 yLayer.updateBufferAndRepaint();
1059 }
1060 }
1061
1062 private List<ImageEntry> getSortedImgList() {
1063 return getSortedImgList(cbExifImg.isSelected(), cbTaggedImg.isSelected());
1064 }
1065
1066 /**
1067 * Returns a list of images that fulfill the given criteria.
1068 * Default setting is to return untagged images, but may be overwritten.
1069 * @param exif also returns images with exif-gps info
1070 * @param tagged also returns tagged images
1071 * @return matching images
1072 */
1073 private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) {
1074 if (yLayer.data == null) {
1075 return Collections.emptyList();
1076 }
1077 List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.data.size());
1078 for (ImageEntry e : yLayer.data) {
1079 if (!e.hasExifTime()) {
1080 continue;
1081 }
1082
1083 if (e.getExifCoor() != null && !exif) {
1084 continue;
1085 }
1086
1087 if (e.isTagged() && e.getExifCoor() == null && !tagged) {
1088 continue;
1089 }
1090
1091 dateImgLst.add(e);
1092 }
1093
1094 Collections.sort(dateImgLst, new Comparator<ImageEntry>() {
1095 @Override
1096 public int compare(ImageEntry arg0, ImageEntry arg1) {
1097 return arg0.getExifTime().compareTo(arg1.getExifTime());
1098 }
1099 });
1100
1101 return dateImgLst;
1102 }
1103
1104 private GpxDataWrapper selectedGPX(boolean complain) {
1105 Object item = cbGpx.getSelectedItem();
1106
1107 if (item == null || ((GpxDataWrapper) item).file == null) {
1108 if (complain) {
1109 JOptionPane.showMessageDialog(Main.parent, tr("You should select a GPX track"),
1110 tr("No selected GPX track"), JOptionPane.ERROR_MESSAGE);
1111 }
1112 return null;
1113 }
1114 return (GpxDataWrapper) item;
1115 }
1116
1117 /**
1118 * Match a list of photos to a gpx track with a given offset.
1119 * All images need a exifTime attribute and the List must be sorted according to these times.
1120 * @param images images to match
1121 * @param selectedGpx selected GPX data
1122 * @param offset offset
1123 * @return number of matched points
1124 */
1125 static int matchGpxTrack(List<ImageEntry> images, GpxData selectedGpx, long offset) {
1126 int ret = 0;
1127
1128 for (GpxTrack trk : selectedGpx.tracks) {
1129 for (GpxTrackSegment segment : trk.getSegments()) {
1130
1131 long prevWpTime = 0;
1132 WayPoint prevWp = null;
1133
1134 for (WayPoint curWp : segment.getWayPoints()) {
1135 final Date parsedTime = curWp.setTimeFromAttribute();
1136 if (parsedTime != null) {
1137 final long curWpTime = parsedTime.getTime() + offset;
1138 ret += matchPoints(images, prevWp, prevWpTime, curWp, curWpTime, offset);
1139
1140 prevWp = curWp;
1141 prevWpTime = curWpTime;
1142 continue;
1143 }
1144 prevWp = null;
1145 prevWpTime = 0;
1146 }
1147 }
1148 }
1149 return ret;
1150 }
1151
1152 private static Double getElevation(WayPoint wp) {
1153 String value = wp.getString(GpxConstants.PT_ELE);
1154 if (value != null && !value.isEmpty()) {
1155 try {
1156 return Double.valueOf(value);
1157 } catch (NumberFormatException e) {
1158 Main.warn(e);
1159 }
1160 }
1161 return null;
1162 }
1163
1164 static int matchPoints(List<ImageEntry> images, WayPoint prevWp, long prevWpTime,
1165 WayPoint curWp, long curWpTime, long offset) {
1166 // Time between the track point and the previous one, 5 sec if first point, i.e. photos take
1167 // 5 sec before the first track point can be assumed to be take at the starting position
1168 long interval = prevWpTime > 0 ? Math.abs(curWpTime - prevWpTime) : 5*1000;
1169 int ret = 0;
1170
1171 // i is the index of the timewise last photo that has the same or earlier EXIF time
1172 int i = getLastIndexOfListBefore(images, curWpTime);
1173
1174 // no photos match
1175 if (i < 0)
1176 return 0;
1177
1178 Double speed = null;
1179 Double prevElevation = null;
1180
1181 if (prevWp != null) {
1182 double distance = prevWp.getCoor().greatCircleDistance(curWp.getCoor());
1183 // This is in km/h, 3.6 * m/s
1184 if (curWpTime > prevWpTime) {
1185 speed = 3600 * distance / (curWpTime - prevWpTime);
1186 }
1187 prevElevation = getElevation(prevWp);
1188 }
1189
1190 Double curElevation = getElevation(curWp);
1191
1192 // First trackpoint, then interval is set to five seconds, i.e. photos up to five seconds
1193 // before the first point will be geotagged with the starting point
1194 if (prevWpTime == 0 || curWpTime <= prevWpTime) {
1195 while (i >= 0) {
1196 final ImageEntry curImg = images.get(i);
1197 long time = curImg.getExifTime().getTime();
1198 if (time > curWpTime || time < curWpTime - interval) {
1199 break;
1200 }
1201 if (curImg.tmp.getPos() == null) {
1202 curImg.tmp.setPos(curWp.getCoor());
1203 curImg.tmp.setSpeed(speed);
1204 curImg.tmp.setElevation(curElevation);
1205 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1206 curImg.flagNewGpsData();
1207 ret++;
1208 }
1209 i--;
1210 }
1211 return ret;
1212 }
1213
1214 // This code gives a simple linear interpolation of the coordinates between current and
1215 // previous track point assuming a constant speed in between
1216 while (i >= 0) {
1217 ImageEntry curImg = images.get(i);
1218 long imgTime = curImg.getExifTime().getTime();
1219 if (imgTime < prevWpTime) {
1220 break;
1221 }
1222
1223 if (curImg.tmp.getPos() == null && prevWp != null) {
1224 // The values of timeDiff are between 0 and 1, it is not seconds but a dimensionless variable
1225 double timeDiff = (double) (imgTime - prevWpTime) / interval;
1226 curImg.tmp.setPos(prevWp.getCoor().interpolate(curWp.getCoor(), timeDiff));
1227 curImg.tmp.setSpeed(speed);
1228 if (curElevation != null && prevElevation != null) {
1229 curImg.tmp.setElevation(prevElevation + (curElevation - prevElevation) * timeDiff);
1230 }
1231 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1232 curImg.flagNewGpsData();
1233
1234 ret++;
1235 }
1236 i--;
1237 }
1238 return ret;
1239 }
1240
1241 private static int getLastIndexOfListBefore(List<ImageEntry> images, long searchedTime) {
1242 int lstSize = images.size();
1243
1244 // No photos or the first photo taken is later than the search period
1245 if (lstSize == 0 || searchedTime < images.get(0).getExifTime().getTime())
1246 return -1;
1247
1248 // The search period is later than the last photo
1249 if (searchedTime > images.get(lstSize - 1).getExifTime().getTime())
1250 return lstSize-1;
1251
1252 // The searched index is somewhere in the middle, do a binary search from the beginning
1253 int curIndex;
1254 int startIndex = 0;
1255 int endIndex = lstSize-1;
1256 while (endIndex - startIndex > 1) {
1257 curIndex = (endIndex + startIndex) / 2;
1258 if (searchedTime > images.get(curIndex).getExifTime().getTime()) {
1259 startIndex = curIndex;
1260 } else {
1261 endIndex = curIndex;
1262 }
1263 }
1264 if (searchedTime < images.get(endIndex).getExifTime().getTime())
1265 return startIndex;
1266
1267 // This final loop is to check if photos with the exact same EXIF time follows
1268 while ((endIndex < (lstSize-1)) && (images.get(endIndex).getExifTime().getTime()
1269 == images.get(endIndex + 1).getExifTime().getTime())) {
1270 endIndex++;
1271 }
1272 return endIndex;
1273 }
1274
1275 static final class Timezone {
1276
1277 static final Timezone ZERO = new Timezone(0.0);
1278 private final double timezone;
1279
1280 Timezone(double hours) {
1281 this.timezone = hours;
1282 }
1283
1284 public double getHours() {
1285 return timezone;
1286 }
1287
1288 String formatTimezone() {
1289 StringBuilder ret = new StringBuilder();
1290
1291 double timezone = this.timezone;
1292 if (timezone < 0) {
1293 ret.append('-');
1294 timezone = -timezone;
1295 } else {
1296 ret.append('+');
1297 }
1298 ret.append((long) timezone).append(':');
1299 int minutes = (int) ((timezone % 1) * 60);
1300 if (minutes < 10) {
1301 ret.append('0');
1302 }
1303 ret.append(minutes);
1304
1305 return ret.toString();
1306 }
1307
1308 static Timezone parseTimezone(String timezone) throws ParseException {
1309
1310 if (timezone.isEmpty())
1311 return ZERO;
1312
1313 String error = tr("Error while parsing timezone.\nExpected format: {0}", "+H:MM");
1314
1315 char sgnTimezone = '+';
1316 StringBuilder hTimezone = new StringBuilder();
1317 StringBuilder mTimezone = new StringBuilder();
1318 int state = 1; // 1=start/sign, 2=hours, 3=minutes.
1319 for (int i = 0; i < timezone.length(); i++) {
1320 char c = timezone.charAt(i);
1321 switch (c) {
1322 case ' ':
1323 if (state != 2 || hTimezone.length() != 0)
1324 throw new ParseException(error, i);
1325 break;
1326 case '+':
1327 case '-':
1328 if (state == 1) {
1329 sgnTimezone = c;
1330 state = 2;
1331 } else
1332 throw new ParseException(error, i);
1333 break;
1334 case ':':
1335 case '.':
1336 if (state == 2) {
1337 state = 3;
1338 } else
1339 throw new ParseException(error, i);
1340 break;
1341 case '0':
1342 case '1':
1343 case '2':
1344 case '3':
1345 case '4':
1346 case '5':
1347 case '6':
1348 case '7':
1349 case '8':
1350 case '9':
1351 switch (state) {
1352 case 1:
1353 case 2:
1354 state = 2;
1355 hTimezone.append(c);
1356 break;
1357 case 3:
1358 mTimezone.append(c);
1359 break;
1360 default:
1361 throw new ParseException(error, i);
1362 }
1363 break;
1364 default:
1365 throw new ParseException(error, i);
1366 }
1367 }
1368
1369 int h = 0;
1370 int m = 0;
1371 try {
1372 h = Integer.parseInt(hTimezone.toString());
1373 if (mTimezone.length() > 0) {
1374 m = Integer.parseInt(mTimezone.toString());
1375 }
1376 } catch (NumberFormatException nfe) {
1377 // Invalid timezone
1378 throw (ParseException) new ParseException(error, 0).initCause(nfe);
1379 }
1380
1381 if (h > 12 || m > 59)
1382 throw new ParseException(error, 0);
1383 else
1384 return new Timezone((h + m / 60.0) * (sgnTimezone == '-' ? -1 : 1));
1385 }
1386
1387 @Override
1388 public boolean equals(Object o) {
1389 if (this == o) return true;
1390 if (!(o instanceof Timezone)) return false;
1391 Timezone timezone1 = (Timezone) o;
1392 return Double.compare(timezone1.timezone, timezone) == 0;
1393 }
1394
1395 @Override
1396 public int hashCode() {
1397 return Objects.hash(timezone);
1398 }
1399 }
1400
1401 static final class Offset {
1402
1403 static final Offset ZERO = new Offset(0);
1404 private final long milliseconds;
1405
1406 private Offset(long milliseconds) {
1407 this.milliseconds = milliseconds;
1408 }
1409
1410 static Offset milliseconds(long milliseconds) {
1411 return new Offset(milliseconds);
1412 }
1413
1414 static Offset seconds(long seconds) {
1415 return new Offset(1000 * seconds);
1416 }
1417
1418 long getMilliseconds() {
1419 return milliseconds;
1420 }
1421
1422 long getSeconds() {
1423 return milliseconds / 1000;
1424 }
1425
1426 String formatOffset() {
1427 if (milliseconds % 1000 == 0) {
1428 return Long.toString(milliseconds / 1000);
1429 } else if (milliseconds % 100 == 0) {
1430 return String.format(Locale.ENGLISH, "%.1f", milliseconds / 1000.);
1431 } else {
1432 return String.format(Locale.ENGLISH, "%.3f", milliseconds / 1000.);
1433 }
1434 }
1435
1436 static Offset parseOffset(String offset) throws ParseException {
1437 String error = tr("Error while parsing offset.\nExpected format: {0}", "number");
1438
1439 if (!offset.isEmpty()) {
1440 try {
1441 if (offset.startsWith("+")) {
1442 offset = offset.substring(1);
1443 }
1444 return Offset.milliseconds(Math.round(Double.parseDouble(offset) * 1000));
1445 } catch (NumberFormatException nfe) {
1446 throw (ParseException) new ParseException(error, 0).initCause(nfe);
1447 }
1448 } else {
1449 return Offset.ZERO;
1450 }
1451 }
1452
1453 int getDayOffset() {
1454 final double diffInH = getMilliseconds() / 1000. / 60 / 60; // hours
1455
1456 // Find day difference
1457 return (int) Math.round(diffInH / 24);
1458 }
1459
1460 Offset withoutDayOffset() {
1461 return milliseconds(getMilliseconds() - getDayOffset() * 24L * 60L * 60L * 1000L);
1462 }
1463
1464 Pair<Timezone, Offset> splitOutTimezone() {
1465 // In hours
1466 double tz = withoutDayOffset().getSeconds() / 3600.0;
1467
1468 // Due to imprecise clocks we might get a "+3:28" timezone, which should obviously be 3:30 with
1469 // -2 minutes offset. This determines the real timezone and finds offset.
1470 final double timezone = (double) Math.round(tz * 2) / 2; // hours, rounded to one decimal place
1471 final long delta = Math.round(getMilliseconds() - timezone * 60 * 60 * 1000); // milliseconds
1472 return Pair.create(new Timezone(timezone), Offset.milliseconds(delta));
1473 }
1474
1475 @Override
1476 public boolean equals(Object o) {
1477 if (this == o) return true;
1478 if (!(o instanceof Offset)) return false;
1479 Offset offset = (Offset) o;
1480 return milliseconds == offset.milliseconds;
1481 }
1482
1483 @Override
1484 public int hashCode() {
1485 return Objects.hash(milliseconds);
1486 }
1487 }
1488}
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