source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java@ 10173

Last change on this file since 10173 was 10173, checked in by Don-vip, 8 years ago

sonar - squid:S1186 - Methods should not be empty
  • Property svn:eol-style set to native
File size: 56.5 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.SwingConstants;
57import javax.swing.event.ChangeEvent;
58import javax.swing.event.ChangeListener;
59import javax.swing.event.DocumentEvent;
60import javax.swing.event.DocumentListener;
61import javax.swing.event.ListSelectionEvent;
62import javax.swing.event.ListSelectionListener;
63import javax.swing.filechooser.FileFilter;
64
65import org.openstreetmap.josm.Main;
66import org.openstreetmap.josm.actions.DiskAccessAction;
67import org.openstreetmap.josm.data.gpx.GpxConstants;
68import org.openstreetmap.josm.data.gpx.GpxData;
69import org.openstreetmap.josm.data.gpx.GpxTrack;
70import org.openstreetmap.josm.data.gpx.GpxTrackSegment;
71import org.openstreetmap.josm.data.gpx.WayPoint;
72import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
73import org.openstreetmap.josm.gui.ExtendedDialog;
74import org.openstreetmap.josm.gui.layer.GpxLayer;
75import org.openstreetmap.josm.gui.layer.Layer;
76import org.openstreetmap.josm.gui.widgets.AbstractFileChooser;
77import org.openstreetmap.josm.gui.widgets.JosmComboBox;
78import org.openstreetmap.josm.gui.widgets.JosmTextField;
79import org.openstreetmap.josm.io.GpxReader;
80import org.openstreetmap.josm.io.JpgImporter;
81import org.openstreetmap.josm.tools.ExifReader;
82import org.openstreetmap.josm.tools.GBC;
83import org.openstreetmap.josm.tools.ImageProvider;
84import org.openstreetmap.josm.tools.Pair;
85import org.openstreetmap.josm.tools.Utils;
86import org.openstreetmap.josm.tools.date.DateUtils;
87import org.xml.sax.SAXException;
88
89/**
90 * This class displays the window to select the GPX file and the offset (timezone + delta).
91 * Then it correlates the images of the layer with that GPX file.
92 */
93public class CorrelateGpxWithImages extends AbstractAction {
94
95 private static List<GpxData> loadedGpxData = new ArrayList<>();
96
97 private final transient GeoImageLayer yLayer;
98 private transient Timezone timezone;
99 private transient Offset delta;
100
101 /**
102 * Constructs a new {@code CorrelateGpxWithImages} action.
103 * @param layer The image layer
104 */
105 public CorrelateGpxWithImages(GeoImageLayer layer) {
106 super(tr("Correlate to GPX"), ImageProvider.get("dialogs/geoimage/gpx2img"));
107 this.yLayer = layer;
108 }
109
110 private final class SyncDialogWindowListener extends WindowAdapter {
111 private static final int CANCEL = -1;
112 private static final int DONE = 0;
113 private static final int AGAIN = 1;
114 private static final int NOTHING = 2;
115
116 private int checkAndSave() {
117 if (syncDialog.isVisible())
118 // nothing happened: JOSM was minimized or similar
119 return NOTHING;
120 int answer = syncDialog.getValue();
121 if (answer != 1)
122 return CANCEL;
123
124 // Parse values again, to display an error if the format is not recognized
125 try {
126 timezone = Timezone.parseTimezone(tfTimezone.getText().trim());
127 } catch (ParseException e) {
128 JOptionPane.showMessageDialog(Main.parent, e.getMessage(),
129 tr("Invalid timezone"), JOptionPane.ERROR_MESSAGE);
130 return AGAIN;
131 }
132
133 try {
134 delta = Offset.parseOffset(tfOffset.getText().trim());
135 } catch (ParseException e) {
136 JOptionPane.showMessageDialog(Main.parent, e.getMessage(),
137 tr("Invalid offset"), JOptionPane.ERROR_MESSAGE);
138 return AGAIN;
139 }
140
141 if (lastNumMatched == 0 && new ExtendedDialog(
142 Main.parent,
143 tr("Correlate images with GPX track"),
144 new String[] {tr("OK"), tr("Try Again")}).
145 setContent(tr("No images could be matched!")).
146 setButtonIcons(new String[] {"ok", "dialogs/refresh"}).
147 showDialog().getValue() == 2)
148 return AGAIN;
149 return DONE;
150 }
151
152 @Override
153 public void windowDeactivated(WindowEvent e) {
154 int result = checkAndSave();
155 switch (result) {
156 case NOTHING:
157 break;
158 case CANCEL:
159 if (yLayer != null) {
160 if (yLayer.data != null) {
161 for (ImageEntry ie : yLayer.data) {
162 ie.discardTmp();
163 }
164 }
165 yLayer.updateBufferAndRepaint();
166 }
167 break;
168 case AGAIN:
169 actionPerformed(null);
170 break;
171 case DONE:
172 Main.pref.put("geoimage.timezone", timezone.formatTimezone());
173 Main.pref.put("geoimage.delta", delta.formatOffset());
174 Main.pref.put("geoimage.showThumbs", yLayer.useThumbs);
175
176 yLayer.useThumbs = cbShowThumbs.isSelected();
177 yLayer.startLoadThumbs();
178
179 // Search whether an other layer has yet defined some bounding box.
180 // If none, we'll zoom to the bounding box of the layer with the photos.
181 boolean boundingBoxedLayerFound = false;
182 for (Layer l: Main.map.mapView.getAllLayers()) {
183 if (l != yLayer) {
184 BoundingXYVisitor bbox = new BoundingXYVisitor();
185 l.visitBoundingBox(bbox);
186 if (bbox.getBounds() != null) {
187 boundingBoxedLayerFound = true;
188 break;
189 }
190 }
191 }
192 if (!boundingBoxedLayerFound) {
193 BoundingXYVisitor bbox = new BoundingXYVisitor();
194 yLayer.visitBoundingBox(bbox);
195 Main.map.mapView.zoomTo(bbox);
196 }
197
198 if (yLayer.data != null) {
199 for (ImageEntry ie : yLayer.data) {
200 ie.applyTmp();
201 }
202 }
203
204 yLayer.updateBufferAndRepaint();
205
206 break;
207 default:
208 throw new IllegalStateException();
209 }
210 }
211 }
212
213 private static class GpxDataWrapper {
214 private final String name;
215 private final GpxData data;
216 private final File file;
217
218 GpxDataWrapper(String name, GpxData data, File file) {
219 this.name = name;
220 this.data = data;
221 this.file = file;
222 }
223
224 @Override
225 public String toString() {
226 return name;
227 }
228 }
229
230 private ExtendedDialog syncDialog;
231 private final transient List<GpxDataWrapper> gpxLst = new ArrayList<>();
232 private JPanel outerPanel;
233 private JosmComboBox<GpxDataWrapper> cbGpx;
234 private JosmTextField tfTimezone;
235 private JosmTextField tfOffset;
236 private JCheckBox cbExifImg;
237 private JCheckBox cbTaggedImg;
238 private JCheckBox cbShowThumbs;
239 private JLabel statusBarText;
240
241 // remember the last number of matched photos
242 private int lastNumMatched;
243
244 /** This class is called when the user doesn't find the GPX file he needs in the files that have
245 * been loaded yet. It displays a FileChooser dialog to select the GPX file to be loaded.
246 */
247 private class LoadGpxDataActionListener implements ActionListener {
248
249 @Override
250 public void actionPerformed(ActionEvent arg0) {
251 FileFilter filter = new FileFilter() {
252 @Override
253 public boolean accept(File f) {
254 return f.isDirectory() || Utils.hasExtension(f, "gpx", "gpx.gz");
255 }
256
257 @Override
258 public String getDescription() {
259 return tr("GPX Files (*.gpx *.gpx.gz)");
260 }
261 };
262 AbstractFileChooser fc = DiskAccessAction.createAndOpenFileChooser(true, false, null, filter, JFileChooser.FILES_ONLY, null);
263 if (fc == null)
264 return;
265 File sel = fc.getSelectedFile();
266
267 try {
268 outerPanel.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
269
270 for (int i = gpxLst.size() - 1; i >= 0; i--) {
271 GpxDataWrapper wrapper = gpxLst.get(i);
272 if (wrapper.file != null && sel.equals(wrapper.file)) {
273 cbGpx.setSelectedIndex(i);
274 if (!sel.getName().equals(wrapper.name)) {
275 JOptionPane.showMessageDialog(
276 Main.parent,
277 tr("File {0} is loaded yet under the name \"{1}\"", sel.getName(), wrapper.name),
278 tr("Error"),
279 JOptionPane.ERROR_MESSAGE
280 );
281 }
282 return;
283 }
284 }
285 GpxData data = null;
286 try (InputStream iStream = createInputStream(sel)) {
287 GpxReader reader = new GpxReader(iStream);
288 reader.parse(false);
289 data = reader.getGpxData();
290 data.storageFile = sel;
291
292 } catch (SAXException x) {
293 Main.error(x);
294 JOptionPane.showMessageDialog(
295 Main.parent,
296 tr("Error while parsing {0}", sel.getName())+": "+x.getMessage(),
297 tr("Error"),
298 JOptionPane.ERROR_MESSAGE
299 );
300 return;
301 } catch (IOException x) {
302 Main.error(x);
303 JOptionPane.showMessageDialog(
304 Main.parent,
305 tr("Could not read \"{0}\"", sel.getName())+'\n'+x.getMessage(),
306 tr("Error"),
307 JOptionPane.ERROR_MESSAGE
308 );
309 return;
310 }
311
312 loadedGpxData.add(data);
313 if (gpxLst.get(0).file == null) {
314 gpxLst.remove(0);
315 }
316 gpxLst.add(new GpxDataWrapper(sel.getName(), data, sel));
317 cbGpx.setSelectedIndex(cbGpx.getItemCount() - 1);
318 } finally {
319 outerPanel.setCursor(Cursor.getDefaultCursor());
320 }
321 }
322
323 private InputStream createInputStream(File sel) throws IOException {
324 if (Utils.hasExtension(sel, "gpx.gz")) {
325 return new GZIPInputStream(new FileInputStream(sel));
326 } else {
327 return new FileInputStream(sel);
328 }
329 }
330 }
331
332 /**
333 * This action listener is called when the user has a photo of the time of his GPS receiver. It
334 * displays the list of photos of the layer, and upon selection displays the selected photo.
335 * From that photo, the user can key in the time of the GPS.
336 * Then values of timezone and delta are set.
337 * @author chris
338 *
339 */
340 private class SetOffsetActionListener implements ActionListener {
341 private JPanel panel;
342 private JLabel lbExifTime;
343 private JosmTextField tfGpsTime;
344 private JosmComboBox<String> cbTimezones;
345 private ImageDisplay imgDisp;
346 private JList<String> imgList;
347
348 @Override
349 public void actionPerformed(ActionEvent arg0) {
350 SimpleDateFormat dateFormat = (SimpleDateFormat) DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
351
352 panel = new JPanel(new BorderLayout());
353 panel.add(new JLabel(tr("<html>Take a photo of your GPS receiver while it displays the time.<br>"
354 + "Display that photo here.<br>"
355 + "And then, simply capture the time you read on the photo and select a timezone<hr></html>")),
356 BorderLayout.NORTH);
357
358 imgDisp = new ImageDisplay();
359 imgDisp.setPreferredSize(new Dimension(300, 225));
360 panel.add(imgDisp, BorderLayout.CENTER);
361
362 JPanel panelTf = new JPanel(new GridBagLayout());
363
364 GridBagConstraints gc = new GridBagConstraints();
365 gc.gridx = gc.gridy = 0;
366 gc.gridwidth = gc.gridheight = 1;
367 gc.weightx = gc.weighty = 0.0;
368 gc.fill = GridBagConstraints.NONE;
369 gc.anchor = GridBagConstraints.WEST;
370 panelTf.add(new JLabel(tr("Photo time (from exif):")), gc);
371
372 lbExifTime = new JLabel();
373 gc.gridx = 1;
374 gc.weightx = 1.0;
375 gc.fill = GridBagConstraints.HORIZONTAL;
376 gc.gridwidth = 2;
377 panelTf.add(lbExifTime, gc);
378
379 gc.gridx = 0;
380 gc.gridy = 1;
381 gc.gridwidth = gc.gridheight = 1;
382 gc.weightx = gc.weighty = 0.0;
383 gc.fill = GridBagConstraints.NONE;
384 gc.anchor = GridBagConstraints.WEST;
385 panelTf.add(new JLabel(tr("Gps time (read from the above photo): ")), gc);
386
387 tfGpsTime = new JosmTextField(12);
388 tfGpsTime.setEnabled(false);
389 tfGpsTime.setMinimumSize(new Dimension(155, tfGpsTime.getMinimumSize().height));
390 gc.gridx = 1;
391 gc.weightx = 1.0;
392 gc.fill = GridBagConstraints.HORIZONTAL;
393 panelTf.add(tfGpsTime, gc);
394
395 gc.gridx = 2;
396 gc.weightx = 0.2;
397 panelTf.add(new JLabel(" ["+dateFormat.toLocalizedPattern()+']'), gc);
398
399 gc.gridx = 0;
400 gc.gridy = 2;
401 gc.gridwidth = gc.gridheight = 1;
402 gc.weightx = gc.weighty = 0.0;
403 gc.fill = GridBagConstraints.NONE;
404 gc.anchor = GridBagConstraints.WEST;
405 panelTf.add(new JLabel(tr("I am in the timezone of: ")), gc);
406
407 String[] tmp = TimeZone.getAvailableIDs();
408 List<String> vtTimezones = new ArrayList<>(tmp.length);
409
410 for (String tzStr : tmp) {
411 TimeZone tz = TimeZone.getTimeZone(tzStr);
412
413 String tzDesc = new StringBuilder(tzStr).append(" (")
414 .append(new Timezone(tz.getRawOffset() / 3600000.0).formatTimezone())
415 .append(')').toString();
416 vtTimezones.add(tzDesc);
417 }
418
419 Collections.sort(vtTimezones);
420
421 cbTimezones = new JosmComboBox<>(vtTimezones.toArray(new String[0]));
422
423 String tzId = Main.pref.get("geoimage.timezoneid", "");
424 TimeZone defaultTz;
425 if (tzId.isEmpty()) {
426 defaultTz = TimeZone.getDefault();
427 } else {
428 defaultTz = TimeZone.getTimeZone(tzId);
429 }
430
431 cbTimezones.setSelectedItem(new StringBuilder(defaultTz.getID()).append(" (")
432 .append(new Timezone(defaultTz.getRawOffset() / 3600000.0).formatTimezone())
433 .append(')').toString());
434
435 gc.gridx = 1;
436 gc.weightx = 1.0;
437 gc.gridwidth = 2;
438 gc.fill = GridBagConstraints.HORIZONTAL;
439 panelTf.add(cbTimezones, gc);
440
441 panel.add(panelTf, BorderLayout.SOUTH);
442
443 JPanel panelLst = new JPanel(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 != null ? yLayer.data.size() : 0;
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(Offset.milliseconds(delta).formatOffset());
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(new GridBagLayout());
607
608 String prefTimezone = Main.pref.get("geoimage.timezone", "0:00");
609 if (prefTimezone == null) {
610 prefTimezone = "0:00";
611 }
612 try {
613 timezone = Timezone.parseTimezone(prefTimezone);
614 } catch (ParseException e) {
615 timezone = Timezone.ZERO;
616 }
617
618 tfTimezone = new JosmTextField(10);
619 tfTimezone.setText(timezone.formatTimezone());
620
621 try {
622 delta = Offset.parseOffset(Main.pref.get("geoimage.delta", "0"));
623 } catch (ParseException e) {
624 delta = Offset.ZERO;
625 }
626
627 tfOffset = new JosmTextField(10);
628 tfOffset.setText(delta.formatOffset());
629
630 JButton buttonViewGpsPhoto = new JButton(tr("<html>Use photo of an accurate clock,<br>"
631 + "e.g. GPS receiver display</html>"));
632 buttonViewGpsPhoto.setIcon(ImageProvider.get("clock"));
633 buttonViewGpsPhoto.addActionListener(new SetOffsetActionListener());
634
635 JButton buttonAutoGuess = new JButton(tr("Auto-Guess"));
636 buttonAutoGuess.setToolTipText(tr("Matches first photo with first gpx point"));
637 buttonAutoGuess.addActionListener(new AutoGuessActionListener());
638
639 JButton buttonAdjust = new JButton(tr("Manual adjust"));
640 buttonAdjust.addActionListener(new AdjustActionListener());
641
642 JLabel labelPosition = new JLabel(tr("Override position for: "));
643
644 int numAll = getSortedImgList(true, true).size();
645 int numExif = numAll - getSortedImgList(false, true).size();
646 int numTagged = numAll - getSortedImgList(true, false).size();
647
648 cbExifImg = new JCheckBox(tr("Images with geo location in exif data ({0}/{1})", numExif, numAll));
649 cbExifImg.setEnabled(numExif != 0);
650
651 cbTaggedImg = new JCheckBox(tr("Images that are already tagged ({0}/{1})", numTagged, numAll), true);
652 cbTaggedImg.setEnabled(numTagged != 0);
653
654 labelPosition.setEnabled(cbExifImg.isEnabled() || cbTaggedImg.isEnabled());
655
656 boolean ticked = yLayer.thumbsLoaded || Main.pref.getBoolean("geoimage.showThumbs", false);
657 cbShowThumbs = new JCheckBox(tr("Show Thumbnail images on the map"), ticked);
658 cbShowThumbs.setEnabled(!yLayer.thumbsLoaded);
659
660 int y = 0;
661 GBC gbc = GBC.eol();
662 gbc.gridx = 0;
663 gbc.gridy = y++;
664 panelTf.add(panelCb, gbc);
665
666 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 0, 0, 12);
667 gbc.gridx = 0;
668 gbc.gridy = y++;
669 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
670
671 gbc = GBC.std();
672 gbc.gridx = 0;
673 gbc.gridy = y;
674 panelTf.add(new JLabel(tr("Timezone: ")), gbc);
675
676 gbc = GBC.std().fill(GBC.HORIZONTAL);
677 gbc.gridx = 1;
678 gbc.gridy = y++;
679 gbc.weightx = 1.;
680 panelTf.add(tfTimezone, gbc);
681
682 gbc = GBC.std();
683 gbc.gridx = 0;
684 gbc.gridy = y;
685 panelTf.add(new JLabel(tr("Offset:")), gbc);
686
687 gbc = GBC.std().fill(GBC.HORIZONTAL);
688 gbc.gridx = 1;
689 gbc.gridy = y++;
690 gbc.weightx = 1.;
691 panelTf.add(tfOffset, gbc);
692
693 gbc = GBC.std().insets(5, 5, 5, 5);
694 gbc.gridx = 2;
695 gbc.gridy = y-2;
696 gbc.gridheight = 2;
697 gbc.gridwidth = 2;
698 gbc.fill = GridBagConstraints.BOTH;
699 gbc.weightx = 0.5;
700 panelTf.add(buttonViewGpsPhoto, gbc);
701
702 gbc = GBC.std().fill(GBC.BOTH).insets(5, 5, 5, 5);
703 gbc.gridx = 2;
704 gbc.gridy = y++;
705 gbc.weightx = 0.5;
706 panelTf.add(buttonAutoGuess, gbc);
707
708 gbc.gridx = 3;
709 panelTf.add(buttonAdjust, gbc);
710
711 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 12, 0, 0);
712 gbc.gridx = 0;
713 gbc.gridy = y++;
714 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
715
716 gbc = GBC.eol();
717 gbc.gridx = 0;
718 gbc.gridy = y++;
719 panelTf.add(labelPosition, gbc);
720
721 gbc = GBC.eol();
722 gbc.gridx = 1;
723 gbc.gridy = y++;
724 panelTf.add(cbExifImg, gbc);
725
726 gbc = GBC.eol();
727 gbc.gridx = 1;
728 gbc.gridy = y++;
729 panelTf.add(cbTaggedImg, gbc);
730
731 gbc = GBC.eol();
732 gbc.gridx = 0;
733 gbc.gridy = y++;
734 panelTf.add(cbShowThumbs, gbc);
735
736 final JPanel statusBar = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
737 statusBar.setBorder(BorderFactory.createLoweredBevelBorder());
738 statusBarText = new JLabel(" ");
739 statusBarText.setFont(statusBarText.getFont().deriveFont(8));
740 statusBar.add(statusBarText);
741
742 tfTimezone.addFocusListener(repaintTheMap);
743 tfOffset.addFocusListener(repaintTheMap);
744
745 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
746 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
747 cbExifImg.addItemListener(statusBarUpdaterWithRepaint);
748 cbTaggedImg.addItemListener(statusBarUpdaterWithRepaint);
749
750 statusBarUpdater.updateStatusBar();
751
752 outerPanel = new JPanel(new BorderLayout());
753 outerPanel.add(statusBar, BorderLayout.PAGE_END);
754
755 if (!GraphicsEnvironment.isHeadless()) {
756 syncDialog = new ExtendedDialog(
757 Main.parent,
758 tr("Correlate images with GPX track"),
759 new String[] {tr("Correlate"), tr("Cancel")},
760 false
761 );
762 syncDialog.setContent(panelTf, false);
763 syncDialog.setButtonIcons(new String[] {"ok", "cancel"});
764 syncDialog.setupDialog();
765 outerPanel.add(syncDialog.getContentPane(), BorderLayout.PAGE_START);
766 syncDialog.setContentPane(outerPanel);
767 syncDialog.pack();
768 syncDialog.addWindowListener(new SyncDialogWindowListener());
769 syncDialog.showDialog();
770 }
771 }
772
773 private final transient StatusBarUpdater statusBarUpdater = new StatusBarUpdater(false);
774 private final transient StatusBarUpdater statusBarUpdaterWithRepaint = new StatusBarUpdater(true);
775
776 private class StatusBarUpdater implements DocumentListener, ItemListener, ActionListener {
777 private final boolean doRepaint;
778
779 StatusBarUpdater(boolean doRepaint) {
780 this.doRepaint = doRepaint;
781 }
782
783 @Override
784 public void insertUpdate(DocumentEvent ev) {
785 updateStatusBar();
786 }
787
788 @Override
789 public void removeUpdate(DocumentEvent ev) {
790 updateStatusBar();
791 }
792
793 @Override
794 public void changedUpdate(DocumentEvent ev) {
795 // Do nothing
796 }
797
798 @Override
799 public void itemStateChanged(ItemEvent e) {
800 updateStatusBar();
801 }
802
803 @Override
804 public void actionPerformed(ActionEvent e) {
805 updateStatusBar();
806 }
807
808 public void updateStatusBar() {
809 statusBarText.setText(statusText());
810 if (doRepaint) {
811 yLayer.updateBufferAndRepaint();
812 }
813 }
814
815 private String statusText() {
816 try {
817 timezone = Timezone.parseTimezone(tfTimezone.getText().trim());
818 delta = Offset.parseOffset(tfOffset.getText().trim());
819 } catch (ParseException e) {
820 return e.getMessage();
821 }
822
823 // The selection of images we are about to correlate may have changed.
824 // So reset all images.
825 if (yLayer.data != null) {
826 for (ImageEntry ie: yLayer.data) {
827 ie.discardTmp();
828 }
829 }
830
831 // Construct a list of images that have a date, and sort them on the date.
832 List<ImageEntry> dateImgLst = getSortedImgList();
833 // Create a temporary copy for each image
834 for (ImageEntry ie : dateImgLst) {
835 ie.createTmp();
836 ie.tmp.setPos(null);
837 }
838
839 GpxDataWrapper selGpx = selectedGPX(false);
840 if (selGpx == null)
841 return tr("No gpx selected");
842
843 final long offsetMs = ((long) (timezone.getHours() * 3600 * 1000)) + delta.getMilliseconds(); // in milliseconds
844 lastNumMatched = matchGpxTrack(dateImgLst, selGpx.data, offsetMs);
845
846 return trn("<html>Matched <b>{0}</b> of <b>{1}</b> photo to GPX track.</html>",
847 "<html>Matched <b>{0}</b> of <b>{1}</b> photos to GPX track.</html>",
848 dateImgLst.size(), lastNumMatched, dateImgLst.size());
849 }
850 }
851
852 private final transient RepaintTheMapListener repaintTheMap = new RepaintTheMapListener();
853
854 private class RepaintTheMapListener implements FocusListener {
855 @Override
856 public void focusGained(FocusEvent e) { // do nothing
857 }
858
859 @Override
860 public void focusLost(FocusEvent e) {
861 yLayer.updateBufferAndRepaint();
862 }
863 }
864
865 /**
866 * Presents dialog with sliders for manual adjust.
867 */
868 private class AdjustActionListener implements ActionListener {
869
870 @Override
871 public void actionPerformed(ActionEvent arg0) {
872
873 final Offset offset = Offset.milliseconds(
874 delta.getMilliseconds() + Math.round(timezone.getHours() * 60 * 60 * 1000));
875 final int dayOffset = offset.getDayOffset();
876 final Pair<Timezone, Offset> timezoneOffsetPair = offset.withoutDayOffset().splitOutTimezone();
877
878 // Info Labels
879 final JLabel lblMatches = new JLabel();
880
881 // Timezone Slider
882 // The slider allows to switch timezon from -12:00 to 12:00 in 30 minutes steps. Therefore the range is -24 to 24.
883 final JLabel lblTimezone = new JLabel();
884 final JSlider sldTimezone = new JSlider(-24, 24, 0);
885 sldTimezone.setPaintLabels(true);
886 Dictionary<Integer, JLabel> labelTable = new Hashtable<>();
887 // CHECKSTYLE.OFF: ParenPad
888 for (int i = -12; i <= 12; i += 6) {
889 labelTable.put(i * 2, new JLabel(new Timezone(i).formatTimezone()));
890 }
891 // CHECKSTYLE.ON: ParenPad
892 sldTimezone.setLabelTable(labelTable);
893
894 // Minutes Slider
895 final JLabel lblMinutes = new JLabel();
896 final JSlider sldMinutes = new JSlider(-15, 15, 0);
897 sldMinutes.setPaintLabels(true);
898 sldMinutes.setMajorTickSpacing(5);
899
900 // Seconds slider
901 final JLabel lblSeconds = new JLabel();
902 final JSlider sldSeconds = new JSlider(-600, 600, 0);
903 sldSeconds.setPaintLabels(true);
904 labelTable = new Hashtable<>();
905 // CHECKSTYLE.OFF: ParenPad
906 for (int i = -60; i <= 60; i += 30) {
907 labelTable.put(i * 10, new JLabel(Offset.seconds(i).formatOffset()));
908 }
909 // CHECKSTYLE.ON: ParenPad
910 sldSeconds.setLabelTable(labelTable);
911 sldSeconds.setMajorTickSpacing(300);
912
913 // This is called whenever one of the sliders is moved.
914 // It updates the labels and also calls the "match photos" code
915 class SliderListener implements ChangeListener {
916 @Override
917 public void stateChanged(ChangeEvent e) {
918 timezone = new Timezone(sldTimezone.getValue() / 2.);
919
920 lblTimezone.setText(tr("Timezone: {0}", timezone.formatTimezone()));
921 lblMinutes.setText(tr("Minutes: {0}", sldMinutes.getValue()));
922 lblSeconds.setText(tr("Seconds: {0}", Offset.milliseconds(100 * sldSeconds.getValue()).formatOffset()));
923
924 delta = Offset.milliseconds(100 * sldSeconds.getValue()
925 + 1000L * 60 * sldMinutes.getValue()
926 + 1000L * 60 * 60 * 24 * dayOffset);
927
928 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
929 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
930
931 tfTimezone.setText(timezone.formatTimezone());
932 tfOffset.setText(delta.formatOffset());
933
934 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
935 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
936
937 lblMatches.setText(statusBarText.getText() + "<br>" + trn("(Time difference of {0} day)",
938 "Time difference of {0} days", Math.abs(dayOffset), Math.abs(dayOffset)));
939
940 statusBarUpdater.updateStatusBar();
941 yLayer.updateBufferAndRepaint();
942 }
943 }
944
945 // Put everything together
946 JPanel p = new JPanel(new GridBagLayout());
947 p.setPreferredSize(new Dimension(400, 230));
948 p.add(lblMatches, GBC.eol().fill());
949 p.add(lblTimezone, GBC.eol().fill());
950 p.add(sldTimezone, GBC.eol().fill().insets(0, 0, 0, 10));
951 p.add(lblMinutes, GBC.eol().fill());
952 p.add(sldMinutes, GBC.eol().fill().insets(0, 0, 0, 10));
953 p.add(lblSeconds, GBC.eol().fill());
954 p.add(sldSeconds, GBC.eol().fill());
955
956 // If there's an error in the calculation the found values
957 // will be off range for the sliders. Catch this error
958 // and inform the user about it.
959 try {
960 sldTimezone.setValue((int) (timezoneOffsetPair.a.getHours() * 2));
961 sldMinutes.setValue((int) (timezoneOffsetPair.b.getSeconds() / 60));
962 final long deciSeconds = timezoneOffsetPair.b.getMilliseconds() / 100;
963 sldSeconds.setValue((int) (deciSeconds % 60));
964 } catch (Exception e) {
965 JOptionPane.showMessageDialog(Main.parent,
966 tr("An error occurred while trying to match the photos to the GPX track."
967 +" You can adjust the sliders to manually match the photos."),
968 tr("Matching photos to track failed"),
969 JOptionPane.WARNING_MESSAGE);
970 }
971
972 // Call the sliderListener once manually so labels get adjusted
973 new SliderListener().stateChanged(null);
974 // Listeners added here, otherwise it tries to match three times
975 // (when setting the default values)
976 sldTimezone.addChangeListener(new SliderListener());
977 sldMinutes.addChangeListener(new SliderListener());
978 sldSeconds.addChangeListener(new SliderListener());
979
980 // There is no way to cancel this dialog, all changes get applied
981 // immediately. Therefore "Close" is marked with an "OK" icon.
982 // Settings are only saved temporarily to the layer.
983 new ExtendedDialog(Main.parent,
984 tr("Adjust timezone and offset"),
985 new String[] {tr("Close")}).
986 setContent(p).setButtonIcons(new String[] {"ok"}).showDialog();
987 }
988 }
989
990 static class NoGpxTimestamps extends Exception {
991 }
992
993 /**
994 * Tries to auto-guess the timezone and offset.
995 *
996 * @param imgs the images to correlate
997 * @param gpx the gpx track to correlate to
998 * @return a pair of timezone and offset
999 * @throws IndexOutOfBoundsException when there are no images
1000 * @throws NoGpxTimestamps when the gpx track does not contain a timestamp
1001 */
1002 static Pair<Timezone, Offset> autoGuess(List<ImageEntry> imgs, GpxData gpx) throws IndexOutOfBoundsException, NoGpxTimestamps {
1003
1004 // Init variables
1005 long firstExifDate = imgs.get(0).getExifTime().getTime();
1006
1007 long firstGPXDate = -1;
1008 // Finds first GPX point
1009 outer: for (GpxTrack trk : gpx.tracks) {
1010 for (GpxTrackSegment segment : trk.getSegments()) {
1011 for (WayPoint curWp : segment.getWayPoints()) {
1012 try {
1013 final Date parsedTime = curWp.setTimeFromAttribute();
1014 if (parsedTime != null) {
1015 firstGPXDate = parsedTime.getTime();
1016 break outer;
1017 }
1018 } catch (Exception e) {
1019 Main.warn(e);
1020 }
1021 }
1022 }
1023 }
1024
1025 if (firstGPXDate < 0) {
1026 throw new NoGpxTimestamps();
1027 }
1028
1029 return Offset.milliseconds(firstExifDate - firstGPXDate).splitOutTimezone();
1030 }
1031
1032 private class AutoGuessActionListener implements ActionListener {
1033
1034 @Override
1035 public void actionPerformed(ActionEvent arg0) {
1036 GpxDataWrapper gpxW = selectedGPX(true);
1037 if (gpxW == null)
1038 return;
1039 GpxData gpx = gpxW.data;
1040
1041 List<ImageEntry> imgs = getSortedImgList();
1042
1043 try {
1044 final Pair<Timezone, Offset> r = autoGuess(imgs, gpx);
1045 timezone = r.a;
1046 delta = r.b;
1047 } catch (IndexOutOfBoundsException ex) {
1048 JOptionPane.showMessageDialog(Main.parent,
1049 tr("The selected photos do not contain time information."),
1050 tr("Photos do not contain time information"), JOptionPane.WARNING_MESSAGE);
1051 return;
1052 } catch (NoGpxTimestamps ex) {
1053 JOptionPane.showMessageDialog(Main.parent,
1054 tr("The selected GPX track does not contain timestamps. Please select another one."),
1055 tr("GPX Track has no time information"), JOptionPane.WARNING_MESSAGE);
1056 return;
1057 }
1058
1059 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
1060 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
1061
1062 tfTimezone.setText(timezone.formatTimezone());
1063 tfOffset.setText(delta.formatOffset());
1064 tfOffset.requestFocus();
1065
1066 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1067 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1068
1069 statusBarUpdater.updateStatusBar();
1070 yLayer.updateBufferAndRepaint();
1071 }
1072 }
1073
1074 private List<ImageEntry> getSortedImgList() {
1075 return getSortedImgList(cbExifImg.isSelected(), cbTaggedImg.isSelected());
1076 }
1077
1078 /**
1079 * Returns a list of images that fulfill the given criteria.
1080 * Default setting is to return untagged images, but may be overwritten.
1081 * @param exif also returns images with exif-gps info
1082 * @param tagged also returns tagged images
1083 * @return matching images
1084 */
1085 private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) {
1086 if (yLayer.data == null) {
1087 return Collections.emptyList();
1088 }
1089 List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.data.size());
1090 for (ImageEntry e : yLayer.data) {
1091 if (!e.hasExifTime()) {
1092 continue;
1093 }
1094
1095 if (e.getExifCoor() != null && !exif) {
1096 continue;
1097 }
1098
1099 if (e.isTagged() && e.getExifCoor() == null && !tagged) {
1100 continue;
1101 }
1102
1103 dateImgLst.add(e);
1104 }
1105
1106 Collections.sort(dateImgLst, new Comparator<ImageEntry>() {
1107 @Override
1108 public int compare(ImageEntry arg0, ImageEntry arg1) {
1109 return arg0.getExifTime().compareTo(arg1.getExifTime());
1110 }
1111 });
1112
1113 return dateImgLst;
1114 }
1115
1116 private GpxDataWrapper selectedGPX(boolean complain) {
1117 Object item = cbGpx.getSelectedItem();
1118
1119 if (item == null || ((GpxDataWrapper) item).file == null) {
1120 if (complain) {
1121 JOptionPane.showMessageDialog(Main.parent, tr("You should select a GPX track"),
1122 tr("No selected GPX track"), JOptionPane.ERROR_MESSAGE);
1123 }
1124 return null;
1125 }
1126 return (GpxDataWrapper) item;
1127 }
1128
1129 /**
1130 * Match a list of photos to a gpx track with a given offset.
1131 * All images need a exifTime attribute and the List must be sorted according to these times.
1132 * @param images images to match
1133 * @param selectedGpx selected GPX data
1134 * @param offset offset
1135 * @return number of matched points
1136 */
1137 static int matchGpxTrack(List<ImageEntry> images, GpxData selectedGpx, long offset) {
1138 int ret = 0;
1139
1140 for (GpxTrack trk : selectedGpx.tracks) {
1141 for (GpxTrackSegment segment : trk.getSegments()) {
1142
1143 long prevWpTime = 0;
1144 WayPoint prevWp = null;
1145
1146 for (WayPoint curWp : segment.getWayPoints()) {
1147 try {
1148 final Date parsedTime = curWp.setTimeFromAttribute();
1149 if (parsedTime != null) {
1150 final long curWpTime = parsedTime.getTime() + offset;
1151 ret += matchPoints(images, prevWp, prevWpTime, curWp, curWpTime, offset);
1152
1153 prevWp = curWp;
1154 prevWpTime = curWpTime;
1155 continue;
1156 }
1157 } catch (Exception e) {
1158 Main.warn(e);
1159 }
1160 prevWp = null;
1161 prevWpTime = 0;
1162 }
1163 }
1164 }
1165 return ret;
1166 }
1167
1168 private static Double getElevation(WayPoint wp) {
1169 String value = wp.getString(GpxConstants.PT_ELE);
1170 if (value != null && !value.isEmpty()) {
1171 try {
1172 return new Double(value);
1173 } catch (NumberFormatException e) {
1174 Main.warn(e);
1175 }
1176 }
1177 return null;
1178 }
1179
1180 static int matchPoints(List<ImageEntry> images, WayPoint prevWp, long prevWpTime,
1181 WayPoint curWp, long curWpTime, long offset) {
1182 // Time between the track point and the previous one, 5 sec if first point, i.e. photos take
1183 // 5 sec before the first track point can be assumed to be take at the starting position
1184 long interval = prevWpTime > 0 ? Math.abs(curWpTime - prevWpTime) : 5*1000;
1185 int ret = 0;
1186
1187 // i is the index of the timewise last photo that has the same or earlier EXIF time
1188 int i = getLastIndexOfListBefore(images, curWpTime);
1189
1190 // no photos match
1191 if (i < 0)
1192 return 0;
1193
1194 Double speed = null;
1195 Double prevElevation = null;
1196
1197 if (prevWp != null) {
1198 double distance = prevWp.getCoor().greatCircleDistance(curWp.getCoor());
1199 // This is in km/h, 3.6 * m/s
1200 if (curWpTime > prevWpTime) {
1201 speed = 3600 * distance / (curWpTime - prevWpTime);
1202 }
1203 prevElevation = getElevation(prevWp);
1204 }
1205
1206 Double curElevation = getElevation(curWp);
1207
1208 // First trackpoint, then interval is set to five seconds, i.e. photos up to five seconds
1209 // before the first point will be geotagged with the starting point
1210 if (prevWpTime == 0 || curWpTime <= prevWpTime) {
1211 while (i >= 0) {
1212 final ImageEntry curImg = images.get(i);
1213 long time = curImg.getExifTime().getTime();
1214 if (time > curWpTime || time < curWpTime - interval) {
1215 break;
1216 }
1217 if (curImg.tmp.getPos() == null) {
1218 curImg.tmp.setPos(curWp.getCoor());
1219 curImg.tmp.setSpeed(speed);
1220 curImg.tmp.setElevation(curElevation);
1221 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1222 curImg.flagNewGpsData();
1223 ret++;
1224 }
1225 i--;
1226 }
1227 return ret;
1228 }
1229
1230 // This code gives a simple linear interpolation of the coordinates between current and
1231 // previous track point assuming a constant speed in between
1232 while (i >= 0) {
1233 ImageEntry curImg = images.get(i);
1234 long imgTime = curImg.getExifTime().getTime();
1235 if (imgTime < prevWpTime) {
1236 break;
1237 }
1238
1239 if (curImg.tmp.getPos() == null && prevWp != null) {
1240 // The values of timeDiff are between 0 and 1, it is not seconds but a dimensionless variable
1241 double timeDiff = (double) (imgTime - prevWpTime) / interval;
1242 curImg.tmp.setPos(prevWp.getCoor().interpolate(curWp.getCoor(), timeDiff));
1243 curImg.tmp.setSpeed(speed);
1244 if (curElevation != null && prevElevation != null) {
1245 curImg.tmp.setElevation(prevElevation + (curElevation - prevElevation) * timeDiff);
1246 }
1247 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1248 curImg.flagNewGpsData();
1249
1250 ret++;
1251 }
1252 i--;
1253 }
1254 return ret;
1255 }
1256
1257 private static int getLastIndexOfListBefore(List<ImageEntry> images, long searchedTime) {
1258 int lstSize = images.size();
1259
1260 // No photos or the first photo taken is later than the search period
1261 if (lstSize == 0 || searchedTime < images.get(0).getExifTime().getTime())
1262 return -1;
1263
1264 // The search period is later than the last photo
1265 if (searchedTime > images.get(lstSize - 1).getExifTime().getTime())
1266 return lstSize-1;
1267
1268 // The searched index is somewhere in the middle, do a binary search from the beginning
1269 int curIndex = 0;
1270 int startIndex = 0;
1271 int endIndex = lstSize-1;
1272 while (endIndex - startIndex > 1) {
1273 curIndex = (endIndex + startIndex) / 2;
1274 if (searchedTime > images.get(curIndex).getExifTime().getTime()) {
1275 startIndex = curIndex;
1276 } else {
1277 endIndex = curIndex;
1278 }
1279 }
1280 if (searchedTime < images.get(endIndex).getExifTime().getTime())
1281 return startIndex;
1282
1283 // This final loop is to check if photos with the exact same EXIF time follows
1284 while ((endIndex < (lstSize-1)) && (images.get(endIndex).getExifTime().getTime()
1285 == images.get(endIndex + 1).getExifTime().getTime())) {
1286 endIndex++;
1287 }
1288 return endIndex;
1289 }
1290
1291 static final class Timezone {
1292
1293 static final Timezone ZERO = new Timezone(0.0);
1294 private final double timezone;
1295
1296 Timezone(double hours) {
1297 this.timezone = hours;
1298 }
1299
1300 public double getHours() {
1301 return timezone;
1302 }
1303
1304 String formatTimezone() {
1305 StringBuilder ret = new StringBuilder();
1306
1307 double timezone = this.timezone;
1308 if (timezone < 0) {
1309 ret.append('-');
1310 timezone = -timezone;
1311 } else {
1312 ret.append('+');
1313 }
1314 ret.append((long) timezone).append(':');
1315 int minutes = (int) ((timezone % 1) * 60);
1316 if (minutes < 10) {
1317 ret.append('0');
1318 }
1319 ret.append(minutes);
1320
1321 return ret.toString();
1322 }
1323
1324 static Timezone parseTimezone(String timezone) throws ParseException {
1325
1326 if (timezone.isEmpty())
1327 return ZERO;
1328
1329 String error = tr("Error while parsing timezone.\nExpected format: {0}", "+H:MM");
1330
1331 char sgnTimezone = '+';
1332 StringBuilder hTimezone = new StringBuilder();
1333 StringBuilder mTimezone = new StringBuilder();
1334 int state = 1; // 1=start/sign, 2=hours, 3=minutes.
1335 for (int i = 0; i < timezone.length(); i++) {
1336 char c = timezone.charAt(i);
1337 switch (c) {
1338 case ' ':
1339 if (state != 2 || hTimezone.length() != 0)
1340 throw new ParseException(error, i);
1341 break;
1342 case '+':
1343 case '-':
1344 if (state == 1) {
1345 sgnTimezone = c;
1346 state = 2;
1347 } else
1348 throw new ParseException(error, i);
1349 break;
1350 case ':':
1351 case '.':
1352 if (state == 2) {
1353 state = 3;
1354 } else
1355 throw new ParseException(error, i);
1356 break;
1357 case '0':
1358 case '1':
1359 case '2':
1360 case '3':
1361 case '4':
1362 case '5':
1363 case '6':
1364 case '7':
1365 case '8':
1366 case '9':
1367 switch (state) {
1368 case 1:
1369 case 2:
1370 state = 2;
1371 hTimezone.append(c);
1372 break;
1373 case 3:
1374 mTimezone.append(c);
1375 break;
1376 default:
1377 throw new ParseException(error, i);
1378 }
1379 break;
1380 default:
1381 throw new ParseException(error, i);
1382 }
1383 }
1384
1385 int h = 0;
1386 int m = 0;
1387 try {
1388 h = Integer.parseInt(hTimezone.toString());
1389 if (mTimezone.length() > 0) {
1390 m = Integer.parseInt(mTimezone.toString());
1391 }
1392 } catch (NumberFormatException nfe) {
1393 // Invalid timezone
1394 throw (ParseException) new ParseException(error, 0).initCause(nfe);
1395 }
1396
1397 if (h > 12 || m > 59)
1398 throw new ParseException(error, 0);
1399 else
1400 return new Timezone((h + m / 60.0) * (sgnTimezone == '-' ? -1 : 1));
1401 }
1402
1403 @Override
1404 public boolean equals(Object o) {
1405 if (this == o) return true;
1406 if (!(o instanceof Timezone)) return false;
1407 Timezone timezone1 = (Timezone) o;
1408 return Double.compare(timezone1.timezone, timezone) == 0;
1409 }
1410
1411 @Override
1412 public int hashCode() {
1413 return Objects.hash(timezone);
1414 }
1415 }
1416
1417 static final class Offset {
1418
1419 static final Offset ZERO = new Offset(0);
1420 private final long milliseconds;
1421
1422 private Offset(long milliseconds) {
1423 this.milliseconds = milliseconds;
1424 }
1425
1426 static Offset milliseconds(long milliseconds) {
1427 return new Offset(milliseconds);
1428 }
1429
1430 static Offset seconds(long seconds) {
1431 return new Offset(1000 * seconds);
1432 }
1433
1434 long getMilliseconds() {
1435 return milliseconds;
1436 }
1437
1438 long getSeconds() {
1439 return milliseconds / 1000;
1440 }
1441
1442 String formatOffset() {
1443 if (milliseconds % 1000 == 0) {
1444 return Long.toString(milliseconds / 1000);
1445 } else if (milliseconds % 100 == 0) {
1446 return String.format(Locale.ENGLISH, "%.1f", milliseconds / 1000.);
1447 } else {
1448 return String.format(Locale.ENGLISH, "%.3f", milliseconds / 1000.);
1449 }
1450 }
1451
1452 static Offset parseOffset(String offset) throws ParseException {
1453 String error = tr("Error while parsing offset.\nExpected format: {0}", "number");
1454
1455 if (!offset.isEmpty()) {
1456 try {
1457 if (offset.startsWith("+")) {
1458 offset = offset.substring(1);
1459 }
1460 return Offset.milliseconds(Math.round(Double.parseDouble(offset) * 1000));
1461 } catch (NumberFormatException nfe) {
1462 throw (ParseException) new ParseException(error, 0).initCause(nfe);
1463 }
1464 } else {
1465 return Offset.ZERO;
1466 }
1467 }
1468
1469 int getDayOffset() {
1470 final double diffInH = getMilliseconds() / 1000. / 60 / 60; // hours
1471
1472 // Find day difference
1473 return (int) Math.round(diffInH / 24);
1474 }
1475
1476 Offset withoutDayOffset() {
1477 return milliseconds(getMilliseconds() - getDayOffset() * 24L * 60L * 60L * 1000L);
1478 }
1479
1480 Pair<Timezone, Offset> splitOutTimezone() {
1481 // In hours
1482 double tz = withoutDayOffset().getSeconds() / 3600.0;
1483
1484 // Due to imprecise clocks we might get a "+3:28" timezone, which should obviously be 3:30 with
1485 // -2 minutes offset. This determines the real timezone and finds offset.
1486 final double timezone = (double) Math.round(tz * 2) / 2; // hours, rounded to one decimal place
1487 final long delta = Math.round(getMilliseconds() - timezone * 60 * 60 * 1000); // milliseconds
1488 return Pair.create(new Timezone(timezone), Offset.milliseconds(delta));
1489 }
1490
1491 @Override
1492 public boolean equals(Object o) {
1493 if (this == o) return true;
1494 if (!(o instanceof Offset)) return false;
1495 Offset offset = (Offset) o;
1496 return milliseconds == offset.milliseconds;
1497 }
1498
1499 @Override
1500 public int hashCode() {
1501 return Objects.hash(milliseconds);
1502 }
1503 }
1504}
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