source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java@ 10001

Last change on this file since 10001 was 10001, checked in by Don-vip, 8 years ago

sonar - Local variable and method parameter names should comply with a naming convention
  • 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 }
796
797 @Override
798 public void itemStateChanged(ItemEvent e) {
799 updateStatusBar();
800 }
801
802 @Override
803 public void actionPerformed(ActionEvent e) {
804 updateStatusBar();
805 }
806
807 public void updateStatusBar() {
808 statusBarText.setText(statusText());
809 if (doRepaint) {
810 yLayer.updateBufferAndRepaint();
811 }
812 }
813
814 private String statusText() {
815 try {
816 timezone = Timezone.parseTimezone(tfTimezone.getText().trim());
817 delta = Offset.parseOffset(tfOffset.getText().trim());
818 } catch (ParseException e) {
819 return e.getMessage();
820 }
821
822 // The selection of images we are about to correlate may have changed.
823 // So reset all images.
824 if (yLayer.data != null) {
825 for (ImageEntry ie: yLayer.data) {
826 ie.discardTmp();
827 }
828 }
829
830 // Construct a list of images that have a date, and sort them on the date.
831 List<ImageEntry> dateImgLst = getSortedImgList();
832 // Create a temporary copy for each image
833 for (ImageEntry ie : dateImgLst) {
834 ie.createTmp();
835 ie.tmp.setPos(null);
836 }
837
838 GpxDataWrapper selGpx = selectedGPX(false);
839 if (selGpx == null)
840 return tr("No gpx selected");
841
842 final long offsetMs = ((long) (timezone.getHours() * 3600 * 1000)) + delta.getMilliseconds(); // in milliseconds
843 lastNumMatched = matchGpxTrack(dateImgLst, selGpx.data, offsetMs);
844
845 return trn("<html>Matched <b>{0}</b> of <b>{1}</b> photo to GPX track.</html>",
846 "<html>Matched <b>{0}</b> of <b>{1}</b> photos to GPX track.</html>",
847 dateImgLst.size(), lastNumMatched, dateImgLst.size());
848 }
849 }
850
851 private final transient RepaintTheMapListener repaintTheMap = new RepaintTheMapListener();
852
853 private class RepaintTheMapListener implements FocusListener {
854 @Override
855 public void focusGained(FocusEvent e) { // do nothing
856 }
857
858 @Override
859 public void focusLost(FocusEvent e) {
860 yLayer.updateBufferAndRepaint();
861 }
862 }
863
864 /**
865 * Presents dialog with sliders for manual adjust.
866 */
867 private class AdjustActionListener implements ActionListener {
868
869 @Override
870 public void actionPerformed(ActionEvent arg0) {
871
872 final Offset offset = Offset.milliseconds(
873 delta.getMilliseconds() + Math.round(timezone.getHours() * 60 * 60 * 1000));
874 final int dayOffset = offset.getDayOffset();
875 final Pair<Timezone, Offset> timezoneOffsetPair = offset.withoutDayOffset().splitOutTimezone();
876
877 // Info Labels
878 final JLabel lblMatches = new JLabel();
879
880 // Timezone Slider
881 // The slider allows to switch timezon from -12:00 to 12:00 in 30 minutes steps. Therefore the range is -24 to 24.
882 final JLabel lblTimezone = new JLabel();
883 final JSlider sldTimezone = new JSlider(-24, 24, 0);
884 sldTimezone.setPaintLabels(true);
885 Dictionary<Integer, JLabel> labelTable = new Hashtable<>();
886 // CHECKSTYLE.OFF: ParenPad
887 for (int i = -12; i <= 12; i += 6) {
888 labelTable.put(i * 2, new JLabel(new Timezone(i).formatTimezone()));
889 }
890 // CHECKSTYLE.ON: ParenPad
891 sldTimezone.setLabelTable(labelTable);
892
893 // Minutes Slider
894 final JLabel lblMinutes = new JLabel();
895 final JSlider sldMinutes = new JSlider(-15, 15, 0);
896 sldMinutes.setPaintLabels(true);
897 sldMinutes.setMajorTickSpacing(5);
898
899 // Seconds slider
900 final JLabel lblSeconds = new JLabel();
901 final JSlider sldSeconds = new JSlider(-600, 600, 0);
902 sldSeconds.setPaintLabels(true);
903 labelTable = new Hashtable<>();
904 // CHECKSTYLE.OFF: ParenPad
905 for (int i = -60; i <= 60; i += 30) {
906 labelTable.put(i * 10, new JLabel(Offset.seconds(i).formatOffset()));
907 }
908 // CHECKSTYLE.ON: ParenPad
909 sldSeconds.setLabelTable(labelTable);
910 sldSeconds.setMajorTickSpacing(300);
911
912 // This is called whenever one of the sliders is moved.
913 // It updates the labels and also calls the "match photos" code
914 class SliderListener implements ChangeListener {
915 @Override
916 public void stateChanged(ChangeEvent e) {
917 timezone = new Timezone(sldTimezone.getValue() / 2.);
918
919 lblTimezone.setText(tr("Timezone: {0}", timezone.formatTimezone()));
920 lblMinutes.setText(tr("Minutes: {0}", sldMinutes.getValue()));
921 lblSeconds.setText(tr("Seconds: {0}", Offset.milliseconds(100 * sldSeconds.getValue()).formatOffset()));
922
923 delta = Offset.milliseconds(100 * sldSeconds.getValue()
924 + 1000L * 60 * sldMinutes.getValue()
925 + 1000L * 60 * 60 * 24 * dayOffset);
926
927 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
928 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
929
930 tfTimezone.setText(timezone.formatTimezone());
931 tfOffset.setText(delta.formatOffset());
932
933 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
934 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
935
936 lblMatches.setText(statusBarText.getText() + "<br>" + trn("(Time difference of {0} day)",
937 "Time difference of {0} days", Math.abs(dayOffset), Math.abs(dayOffset)));
938
939 statusBarUpdater.updateStatusBar();
940 yLayer.updateBufferAndRepaint();
941 }
942 }
943
944 // Put everything together
945 JPanel p = new JPanel(new GridBagLayout());
946 p.setPreferredSize(new Dimension(400, 230));
947 p.add(lblMatches, GBC.eol().fill());
948 p.add(lblTimezone, GBC.eol().fill());
949 p.add(sldTimezone, GBC.eol().fill().insets(0, 0, 0, 10));
950 p.add(lblMinutes, GBC.eol().fill());
951 p.add(sldMinutes, GBC.eol().fill().insets(0, 0, 0, 10));
952 p.add(lblSeconds, GBC.eol().fill());
953 p.add(sldSeconds, GBC.eol().fill());
954
955 // If there's an error in the calculation the found values
956 // will be off range for the sliders. Catch this error
957 // and inform the user about it.
958 try {
959 sldTimezone.setValue((int) (timezoneOffsetPair.a.getHours() * 2));
960 sldMinutes.setValue((int) (timezoneOffsetPair.b.getSeconds() / 60));
961 final long deciSeconds = timezoneOffsetPair.b.getMilliseconds() / 100;
962 sldSeconds.setValue((int) (deciSeconds % 60));
963 } catch (Exception e) {
964 JOptionPane.showMessageDialog(Main.parent,
965 tr("An error occurred while trying to match the photos to the GPX track."
966 +" You can adjust the sliders to manually match the photos."),
967 tr("Matching photos to track failed"),
968 JOptionPane.WARNING_MESSAGE);
969 }
970
971 // Call the sliderListener once manually so labels get adjusted
972 new SliderListener().stateChanged(null);
973 // Listeners added here, otherwise it tries to match three times
974 // (when setting the default values)
975 sldTimezone.addChangeListener(new SliderListener());
976 sldMinutes.addChangeListener(new SliderListener());
977 sldSeconds.addChangeListener(new SliderListener());
978
979 // There is no way to cancel this dialog, all changes get applied
980 // immediately. Therefore "Close" is marked with an "OK" icon.
981 // Settings are only saved temporarily to the layer.
982 new ExtendedDialog(Main.parent,
983 tr("Adjust timezone and offset"),
984 new String[] {tr("Close")}).
985 setContent(p).setButtonIcons(new String[] {"ok"}).showDialog();
986 }
987 }
988
989 static class NoGpxTimestamps extends Exception {
990 }
991
992 /**
993 * Tries to auto-guess the timezone and offset.
994 *
995 * @param imgs the images to correlate
996 * @param gpx the gpx track to correlate to
997 * @return a pair of timezone and offset
998 * @throws IndexOutOfBoundsException when there are no images
999 * @throws NoGpxTimestamps when the gpx track does not contain a timestamp
1000 */
1001 static Pair<Timezone, Offset> autoGuess(List<ImageEntry> imgs, GpxData gpx) throws IndexOutOfBoundsException, NoGpxTimestamps {
1002
1003 // Init variables
1004 long firstExifDate = imgs.get(0).getExifTime().getTime();
1005
1006 long firstGPXDate = -1;
1007 // Finds first GPX point
1008 outer: for (GpxTrack trk : gpx.tracks) {
1009 for (GpxTrackSegment segment : trk.getSegments()) {
1010 for (WayPoint curWp : segment.getWayPoints()) {
1011 try {
1012 final Date parsedTime = curWp.setTimeFromAttribute();
1013 if (parsedTime != null) {
1014 firstGPXDate = parsedTime.getTime();
1015 break outer;
1016 }
1017 } catch (Exception e) {
1018 Main.warn(e);
1019 }
1020 }
1021 }
1022 }
1023
1024 if (firstGPXDate < 0) {
1025 throw new NoGpxTimestamps();
1026 }
1027
1028 return Offset.milliseconds(firstExifDate - firstGPXDate).splitOutTimezone();
1029 }
1030
1031 private class AutoGuessActionListener implements ActionListener {
1032
1033 @Override
1034 public void actionPerformed(ActionEvent arg0) {
1035 GpxDataWrapper gpxW = selectedGPX(true);
1036 if (gpxW == null)
1037 return;
1038 GpxData gpx = gpxW.data;
1039
1040 List<ImageEntry> imgs = getSortedImgList();
1041
1042 try {
1043 final Pair<Timezone, Offset> r = autoGuess(imgs, gpx);
1044 timezone = r.a;
1045 delta = r.b;
1046 } catch (IndexOutOfBoundsException ex) {
1047 JOptionPane.showMessageDialog(Main.parent,
1048 tr("The selected photos do not contain time information."),
1049 tr("Photos do not contain time information"), JOptionPane.WARNING_MESSAGE);
1050 return;
1051 } catch (NoGpxTimestamps ex) {
1052 JOptionPane.showMessageDialog(Main.parent,
1053 tr("The selected GPX track does not contain timestamps. Please select another one."),
1054 tr("GPX Track has no time information"), JOptionPane.WARNING_MESSAGE);
1055 return;
1056 }
1057
1058 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
1059 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
1060
1061 tfTimezone.setText(timezone.formatTimezone());
1062 tfOffset.setText(delta.formatOffset());
1063 tfOffset.requestFocus();
1064
1065 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1066 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1067
1068 statusBarUpdater.updateStatusBar();
1069 yLayer.updateBufferAndRepaint();
1070 }
1071 }
1072
1073 private List<ImageEntry> getSortedImgList() {
1074 return getSortedImgList(cbExifImg.isSelected(), cbTaggedImg.isSelected());
1075 }
1076
1077 /**
1078 * Returns a list of images that fulfill the given criteria.
1079 * Default setting is to return untagged images, but may be overwritten.
1080 * @param exif also returns images with exif-gps info
1081 * @param tagged also returns tagged images
1082 * @return matching images
1083 */
1084 private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) {
1085 if (yLayer.data == null) {
1086 return Collections.emptyList();
1087 }
1088 List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.data.size());
1089 for (ImageEntry e : yLayer.data) {
1090 if (!e.hasExifTime()) {
1091 continue;
1092 }
1093
1094 if (e.getExifCoor() != null && !exif) {
1095 continue;
1096 }
1097
1098 if (e.isTagged() && e.getExifCoor() == null && !tagged) {
1099 continue;
1100 }
1101
1102 dateImgLst.add(e);
1103 }
1104
1105 Collections.sort(dateImgLst, new Comparator<ImageEntry>() {
1106 @Override
1107 public int compare(ImageEntry arg0, ImageEntry arg1) {
1108 return arg0.getExifTime().compareTo(arg1.getExifTime());
1109 }
1110 });
1111
1112 return dateImgLst;
1113 }
1114
1115 private GpxDataWrapper selectedGPX(boolean complain) {
1116 Object item = cbGpx.getSelectedItem();
1117
1118 if (item == null || ((GpxDataWrapper) item).file == null) {
1119 if (complain) {
1120 JOptionPane.showMessageDialog(Main.parent, tr("You should select a GPX track"),
1121 tr("No selected GPX track"), JOptionPane.ERROR_MESSAGE);
1122 }
1123 return null;
1124 }
1125 return (GpxDataWrapper) item;
1126 }
1127
1128 /**
1129 * Match a list of photos to a gpx track with a given offset.
1130 * All images need a exifTime attribute and the List must be sorted according to these times.
1131 * @param images images to match
1132 * @param selectedGpx selected GPX data
1133 * @param offset offset
1134 * @return number of matched points
1135 */
1136 static int matchGpxTrack(List<ImageEntry> images, GpxData selectedGpx, long offset) {
1137 int ret = 0;
1138
1139 for (GpxTrack trk : selectedGpx.tracks) {
1140 for (GpxTrackSegment segment : trk.getSegments()) {
1141
1142 long prevWpTime = 0;
1143 WayPoint prevWp = null;
1144
1145 for (WayPoint curWp : segment.getWayPoints()) {
1146 try {
1147 final Date parsedTime = curWp.setTimeFromAttribute();
1148 if (parsedTime != null) {
1149 final long curWpTime = parsedTime.getTime() + offset;
1150 ret += matchPoints(images, prevWp, prevWpTime, curWp, curWpTime, offset);
1151
1152 prevWp = curWp;
1153 prevWpTime = curWpTime;
1154 continue;
1155 }
1156 } catch (Exception e) {
1157 Main.warn(e);
1158 }
1159 prevWp = null;
1160 prevWpTime = 0;
1161 }
1162 }
1163 }
1164 return ret;
1165 }
1166
1167 private static Double getElevation(WayPoint wp) {
1168 String value = wp.getString(GpxConstants.PT_ELE);
1169 if (value != null && !value.isEmpty()) {
1170 try {
1171 return new Double(value);
1172 } catch (NumberFormatException e) {
1173 Main.warn(e);
1174 }
1175 }
1176 return null;
1177 }
1178
1179 static int matchPoints(List<ImageEntry> images, WayPoint prevWp, long prevWpTime,
1180 WayPoint curWp, long curWpTime, long offset) {
1181 // Time between the track point and the previous one, 5 sec if first point, i.e. photos take
1182 // 5 sec before the first track point can be assumed to be take at the starting position
1183 long interval = prevWpTime > 0 ? Math.abs(curWpTime - prevWpTime) : 5*1000;
1184 int ret = 0;
1185
1186 // i is the index of the timewise last photo that has the same or earlier EXIF time
1187 int i = getLastIndexOfListBefore(images, curWpTime);
1188
1189 // no photos match
1190 if (i < 0)
1191 return 0;
1192
1193 Double speed = null;
1194 Double prevElevation = null;
1195
1196 if (prevWp != null) {
1197 double distance = prevWp.getCoor().greatCircleDistance(curWp.getCoor());
1198 // This is in km/h, 3.6 * m/s
1199 if (curWpTime > prevWpTime) {
1200 speed = 3600 * distance / (curWpTime - prevWpTime);
1201 }
1202 prevElevation = getElevation(prevWp);
1203 }
1204
1205 Double curElevation = getElevation(curWp);
1206
1207 // First trackpoint, then interval is set to five seconds, i.e. photos up to five seconds
1208 // before the first point will be geotagged with the starting point
1209 if (prevWpTime == 0 || curWpTime <= prevWpTime) {
1210 while (i >= 0) {
1211 final ImageEntry curImg = images.get(i);
1212 long time = curImg.getExifTime().getTime();
1213 if (time > curWpTime || time < curWpTime - interval) {
1214 break;
1215 }
1216 if (curImg.tmp.getPos() == null) {
1217 curImg.tmp.setPos(curWp.getCoor());
1218 curImg.tmp.setSpeed(speed);
1219 curImg.tmp.setElevation(curElevation);
1220 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1221 curImg.flagNewGpsData();
1222 ret++;
1223 }
1224 i--;
1225 }
1226 return ret;
1227 }
1228
1229 // This code gives a simple linear interpolation of the coordinates between current and
1230 // previous track point assuming a constant speed in between
1231 while (i >= 0) {
1232 ImageEntry curImg = images.get(i);
1233 long imgTime = curImg.getExifTime().getTime();
1234 if (imgTime < prevWpTime) {
1235 break;
1236 }
1237
1238 if (curImg.tmp.getPos() == null && prevWp != null) {
1239 // The values of timeDiff are between 0 and 1, it is not seconds but a dimensionless variable
1240 double timeDiff = (double) (imgTime - prevWpTime) / interval;
1241 curImg.tmp.setPos(prevWp.getCoor().interpolate(curWp.getCoor(), timeDiff));
1242 curImg.tmp.setSpeed(speed);
1243 if (curElevation != null && prevElevation != null) {
1244 curImg.tmp.setElevation(prevElevation + (curElevation - prevElevation) * timeDiff);
1245 }
1246 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1247 curImg.flagNewGpsData();
1248
1249 ret++;
1250 }
1251 i--;
1252 }
1253 return ret;
1254 }
1255
1256 private static int getLastIndexOfListBefore(List<ImageEntry> images, long searchedTime) {
1257 int lstSize = images.size();
1258
1259 // No photos or the first photo taken is later than the search period
1260 if (lstSize == 0 || searchedTime < images.get(0).getExifTime().getTime())
1261 return -1;
1262
1263 // The search period is later than the last photo
1264 if (searchedTime > images.get(lstSize - 1).getExifTime().getTime())
1265 return lstSize-1;
1266
1267 // The searched index is somewhere in the middle, do a binary search from the beginning
1268 int curIndex = 0;
1269 int startIndex = 0;
1270 int endIndex = lstSize-1;
1271 while (endIndex - startIndex > 1) {
1272 curIndex = (endIndex + startIndex) / 2;
1273 if (searchedTime > images.get(curIndex).getExifTime().getTime()) {
1274 startIndex = curIndex;
1275 } else {
1276 endIndex = curIndex;
1277 }
1278 }
1279 if (searchedTime < images.get(endIndex).getExifTime().getTime())
1280 return startIndex;
1281
1282 // This final loop is to check if photos with the exact same EXIF time follows
1283 while ((endIndex < (lstSize-1)) && (images.get(endIndex).getExifTime().getTime()
1284 == images.get(endIndex + 1).getExifTime().getTime())) {
1285 endIndex++;
1286 }
1287 return endIndex;
1288 }
1289
1290 static final class Timezone {
1291
1292 static final Timezone ZERO = new Timezone(0.0);
1293 private final double timezone;
1294
1295 Timezone(double hours) {
1296 this.timezone = hours;
1297 }
1298
1299 public double getHours() {
1300 return timezone;
1301 }
1302
1303 String formatTimezone() {
1304 StringBuilder ret = new StringBuilder();
1305
1306 double timezone = this.timezone;
1307 if (timezone < 0) {
1308 ret.append('-');
1309 timezone = -timezone;
1310 } else {
1311 ret.append('+');
1312 }
1313 ret.append((long) timezone).append(':');
1314 int minutes = (int) ((timezone % 1) * 60);
1315 if (minutes < 10) {
1316 ret.append('0');
1317 }
1318 ret.append(minutes);
1319
1320 return ret.toString();
1321 }
1322
1323 static Timezone parseTimezone(String timezone) throws ParseException {
1324
1325 if (timezone.isEmpty())
1326 return ZERO;
1327
1328 String error = tr("Error while parsing timezone.\nExpected format: {0}", "+H:MM");
1329
1330 char sgnTimezone = '+';
1331 StringBuilder hTimezone = new StringBuilder();
1332 StringBuilder mTimezone = new StringBuilder();
1333 int state = 1; // 1=start/sign, 2=hours, 3=minutes.
1334 for (int i = 0; i < timezone.length(); i++) {
1335 char c = timezone.charAt(i);
1336 switch (c) {
1337 case ' ':
1338 if (state != 2 || hTimezone.length() != 0)
1339 throw new ParseException(error, i);
1340 break;
1341 case '+':
1342 case '-':
1343 if (state == 1) {
1344 sgnTimezone = c;
1345 state = 2;
1346 } else
1347 throw new ParseException(error, i);
1348 break;
1349 case ':':
1350 case '.':
1351 if (state == 2) {
1352 state = 3;
1353 } else
1354 throw new ParseException(error, i);
1355 break;
1356 case '0':
1357 case '1':
1358 case '2':
1359 case '3':
1360 case '4':
1361 case '5':
1362 case '6':
1363 case '7':
1364 case '8':
1365 case '9':
1366 switch (state) {
1367 case 1:
1368 case 2:
1369 state = 2;
1370 hTimezone.append(c);
1371 break;
1372 case 3:
1373 mTimezone.append(c);
1374 break;
1375 default:
1376 throw new ParseException(error, i);
1377 }
1378 break;
1379 default:
1380 throw new ParseException(error, i);
1381 }
1382 }
1383
1384 int h = 0;
1385 int m = 0;
1386 try {
1387 h = Integer.parseInt(hTimezone.toString());
1388 if (mTimezone.length() > 0) {
1389 m = Integer.parseInt(mTimezone.toString());
1390 }
1391 } catch (NumberFormatException nfe) {
1392 // Invalid timezone
1393 throw (ParseException) new ParseException(error, 0).initCause(nfe);
1394 }
1395
1396 if (h > 12 || m > 59)
1397 throw new ParseException(error, 0);
1398 else
1399 return new Timezone((h + m / 60.0) * (sgnTimezone == '-' ? -1 : 1));
1400 }
1401
1402 @Override
1403 public boolean equals(Object o) {
1404 if (this == o) return true;
1405 if (!(o instanceof Timezone)) return false;
1406 Timezone timezone1 = (Timezone) o;
1407 return Double.compare(timezone1.timezone, timezone) == 0;
1408 }
1409
1410 @Override
1411 public int hashCode() {
1412 return Objects.hash(timezone);
1413 }
1414 }
1415
1416 static final class Offset {
1417
1418 static final Offset ZERO = new Offset(0);
1419 private final long milliseconds;
1420
1421 private Offset(long milliseconds) {
1422 this.milliseconds = milliseconds;
1423 }
1424
1425 static Offset milliseconds(long milliseconds) {
1426 return new Offset(milliseconds);
1427 }
1428
1429 static Offset seconds(long seconds) {
1430 return new Offset(1000 * seconds);
1431 }
1432
1433 long getMilliseconds() {
1434 return milliseconds;
1435 }
1436
1437 long getSeconds() {
1438 return milliseconds / 1000;
1439 }
1440
1441 String formatOffset() {
1442 if (milliseconds % 1000 == 0) {
1443 return Long.toString(milliseconds / 1000);
1444 } else if (milliseconds % 100 == 0) {
1445 return String.format(Locale.ENGLISH, "%.1f", milliseconds / 1000.);
1446 } else {
1447 return String.format(Locale.ENGLISH, "%.3f", milliseconds / 1000.);
1448 }
1449 }
1450
1451 static Offset parseOffset(String offset) throws ParseException {
1452 String error = tr("Error while parsing offset.\nExpected format: {0}", "number");
1453
1454 if (!offset.isEmpty()) {
1455 try {
1456 if (offset.startsWith("+")) {
1457 offset = offset.substring(1);
1458 }
1459 return Offset.milliseconds(Math.round(Double.parseDouble(offset) * 1000));
1460 } catch (NumberFormatException nfe) {
1461 throw (ParseException) new ParseException(error, 0).initCause(nfe);
1462 }
1463 } else {
1464 return Offset.ZERO;
1465 }
1466 }
1467
1468 int getDayOffset() {
1469 final double diffInH = getMilliseconds() / 1000. / 60 / 60; // hours
1470
1471 // Find day difference
1472 return (int) Math.round(diffInH / 24);
1473 }
1474
1475 Offset withoutDayOffset() {
1476 return milliseconds(getMilliseconds() - getDayOffset() * 24L * 60L * 60L * 1000L);
1477 }
1478
1479 Pair<Timezone, Offset> splitOutTimezone() {
1480 // In hours
1481 double tz = withoutDayOffset().getSeconds() / 3600.0;
1482
1483 // Due to imprecise clocks we might get a "+3:28" timezone, which should obviously be 3:30 with
1484 // -2 minutes offset. This determines the real timezone and finds offset.
1485 final double timezone = (double) Math.round(tz * 2) / 2; // hours, rounded to one decimal place
1486 final long delta = Math.round(getMilliseconds() - timezone * 60 * 60 * 1000); // milliseconds
1487 return Pair.create(new Timezone(timezone), Offset.milliseconds(delta));
1488 }
1489
1490 @Override
1491 public boolean equals(Object o) {
1492 if (this == o) return true;
1493 if (!(o instanceof Offset)) return false;
1494 Offset offset = (Offset) o;
1495 return milliseconds == offset.milliseconds;
1496 }
1497
1498 @Override
1499 public int hashCode() {
1500 return Objects.hash(milliseconds);
1501 }
1502 }
1503}
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