source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java@ 11288

Last change on this file since 11288 was 11288, checked in by simon04, 7 years ago

see #13376 - Use TimeUnit instead of combinations of 1000/60/60/24
  • Property svn:eol-style set to native
File size: 55.3 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.concurrent.TimeUnit;
41import java.util.zip.GZIPInputStream;
42
43import javax.swing.AbstractAction;
44import javax.swing.AbstractListModel;
45import javax.swing.BorderFactory;
46import javax.swing.JButton;
47import javax.swing.JCheckBox;
48import javax.swing.JFileChooser;
49import javax.swing.JLabel;
50import javax.swing.JList;
51import javax.swing.JOptionPane;
52import javax.swing.JPanel;
53import javax.swing.JScrollPane;
54import javax.swing.JSeparator;
55import javax.swing.JSlider;
56import javax.swing.ListSelectionModel;
57import javax.swing.MutableComboBoxModel;
58import javax.swing.SwingConstants;
59import javax.swing.event.ChangeEvent;
60import javax.swing.event.ChangeListener;
61import javax.swing.event.DocumentEvent;
62import javax.swing.event.DocumentListener;
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.getLayerManager().getLayers()) {
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 MutableComboBoxModel<GpxDataWrapper> model = (MutableComboBoxModel<GpxDataWrapper>) cbGpx.getModel();
313 loadedGpxData.add(data);
314 if (gpxLst.get(0).file == null) {
315 gpxLst.remove(0);
316 model.removeElementAt(0);
317 }
318 GpxDataWrapper elem = new GpxDataWrapper(sel.getName(), data, sel);
319 gpxLst.add(elem);
320 model.addElement(elem);
321 cbGpx.setSelectedIndex(cbGpx.getItemCount() - 1);
322 } finally {
323 outerPanel.setCursor(Cursor.getDefaultCursor());
324 }
325 }
326
327 private InputStream createInputStream(File sel) throws IOException {
328 if (Utils.hasExtension(sel, "gpx.gz")) {
329 return new GZIPInputStream(new FileInputStream(sel));
330 } else {
331 return new FileInputStream(sel);
332 }
333 }
334 }
335
336 /**
337 * This action listener is called when the user has a photo of the time of his GPS receiver. It
338 * displays the list of photos of the layer, and upon selection displays the selected photo.
339 * From that photo, the user can key in the time of the GPS.
340 * Then values of timezone and delta are set.
341 * @author chris
342 *
343 */
344 private class SetOffsetActionListener implements ActionListener {
345
346 @Override
347 public void actionPerformed(ActionEvent arg0) {
348 SimpleDateFormat dateFormat = (SimpleDateFormat) DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
349
350 JPanel panel = new JPanel(new BorderLayout());
351 panel.add(new JLabel(tr("<html>Take a photo of your GPS receiver while it displays the time.<br>"
352 + "Display that photo here.<br>"
353 + "And then, simply capture the time you read on the photo and select a timezone<hr></html>")),
354 BorderLayout.NORTH);
355
356 ImageDisplay imgDisp = new ImageDisplay();
357 imgDisp.setPreferredSize(new Dimension(300, 225));
358 panel.add(imgDisp, BorderLayout.CENTER);
359
360 JPanel panelTf = new JPanel(new GridBagLayout());
361
362 GridBagConstraints gc = new GridBagConstraints();
363 gc.gridx = gc.gridy = 0;
364 gc.gridwidth = gc.gridheight = 1;
365 gc.weightx = gc.weighty = 0.0;
366 gc.fill = GridBagConstraints.NONE;
367 gc.anchor = GridBagConstraints.WEST;
368 panelTf.add(new JLabel(tr("Photo time (from exif):")), gc);
369
370 JLabel lbExifTime = new JLabel();
371 gc.gridx = 1;
372 gc.weightx = 1.0;
373 gc.fill = GridBagConstraints.HORIZONTAL;
374 gc.gridwidth = 2;
375 panelTf.add(lbExifTime, gc);
376
377 gc.gridx = 0;
378 gc.gridy = 1;
379 gc.gridwidth = gc.gridheight = 1;
380 gc.weightx = gc.weighty = 0.0;
381 gc.fill = GridBagConstraints.NONE;
382 gc.anchor = GridBagConstraints.WEST;
383 panelTf.add(new JLabel(tr("Gps time (read from the above photo): ")), gc);
384
385 JosmTextField tfGpsTime = new JosmTextField(12);
386 tfGpsTime.setEnabled(false);
387 tfGpsTime.setMinimumSize(new Dimension(155, tfGpsTime.getMinimumSize().height));
388 gc.gridx = 1;
389 gc.weightx = 1.0;
390 gc.fill = GridBagConstraints.HORIZONTAL;
391 panelTf.add(tfGpsTime, gc);
392
393 gc.gridx = 2;
394 gc.weightx = 0.2;
395 panelTf.add(new JLabel(" ["+dateFormat.toLocalizedPattern()+']'), gc);
396
397 gc.gridx = 0;
398 gc.gridy = 2;
399 gc.gridwidth = gc.gridheight = 1;
400 gc.weightx = gc.weighty = 0.0;
401 gc.fill = GridBagConstraints.NONE;
402 gc.anchor = GridBagConstraints.WEST;
403 panelTf.add(new JLabel(tr("I am in the timezone of: ")), gc);
404
405 String[] tmp = TimeZone.getAvailableIDs();
406 List<String> vtTimezones = new ArrayList<>(tmp.length);
407
408 for (String tzStr : tmp) {
409 TimeZone tz = TimeZone.getTimeZone(tzStr);
410
411 String tzDesc = tzStr + " (" +
412 new Timezone(((double) tz.getRawOffset()) / TimeUnit.HOURS.toMillis(1)).formatTimezone() +
413 ')';
414 vtTimezones.add(tzDesc);
415 }
416
417 Collections.sort(vtTimezones);
418
419 JosmComboBox<String> cbTimezones = new JosmComboBox<>(vtTimezones.toArray(new String[vtTimezones.size()]));
420
421 String tzId = Main.pref.get("geoimage.timezoneid", "");
422 TimeZone defaultTz;
423 if (tzId.isEmpty()) {
424 defaultTz = TimeZone.getDefault();
425 } else {
426 defaultTz = TimeZone.getTimeZone(tzId);
427 }
428
429 cbTimezones.setSelectedItem(defaultTz.getID() + " (" +
430 new Timezone(((double) defaultTz.getRawOffset()) / TimeUnit.HOURS.toMillis(1)).formatTimezone() +
431 ')');
432
433 gc.gridx = 1;
434 gc.weightx = 1.0;
435 gc.gridwidth = 2;
436 gc.fill = GridBagConstraints.HORIZONTAL;
437 panelTf.add(cbTimezones, gc);
438
439 panel.add(panelTf, BorderLayout.SOUTH);
440
441 JPanel panelLst = new JPanel(new BorderLayout());
442
443 JList<String> imgList = new JList<>(new AbstractListModel<String>() {
444 @Override
445 public String getElementAt(int i) {
446 return yLayer.data.get(i).getFile().getName();
447 }
448
449 @Override
450 public int getSize() {
451 return yLayer.data != null ? yLayer.data.size() : 0;
452 }
453 });
454 imgList.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
455 imgList.getSelectionModel().addListSelectionListener(evt -> {
456 int index = imgList.getSelectedIndex();
457 Integer orientation = ExifReader.readOrientation(yLayer.data.get(index).getFile());
458 imgDisp.setImage(yLayer.data.get(index).getFile(), orientation);
459 Date date = yLayer.data.get(index).getExifTime();
460 if (date != null) {
461 DateFormat df = DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
462 lbExifTime.setText(df.format(date));
463 tfGpsTime.setText(df.format(date));
464 tfGpsTime.setCaretPosition(tfGpsTime.getText().length());
465 tfGpsTime.setEnabled(true);
466 tfGpsTime.requestFocus();
467 } else {
468 lbExifTime.setText(tr("No date"));
469 tfGpsTime.setText("");
470 tfGpsTime.setEnabled(false);
471 }
472 });
473 panelLst.add(new JScrollPane(imgList), BorderLayout.CENTER);
474
475 JButton openButton = new JButton(tr("Open another photo"));
476 openButton.addActionListener(ae -> {
477 AbstractFileChooser fc = DiskAccessAction.createAndOpenFileChooser(true, false, null,
478 JpgImporter.FILE_FILTER_WITH_FOLDERS, JFileChooser.FILES_ONLY, "geoimage.lastdirectory");
479 if (fc == null)
480 return;
481 File sel = fc.getSelectedFile();
482
483 Integer orientation = ExifReader.readOrientation(sel);
484 imgDisp.setImage(sel, orientation);
485
486 Date date = ExifReader.readTime(sel);
487 if (date != null) {
488 lbExifTime.setText(DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM).format(date));
489 tfGpsTime.setText(DateUtils.getDateFormat(DateFormat.SHORT).format(date)+' ');
490 tfGpsTime.setEnabled(true);
491 } else {
492 lbExifTime.setText(tr("No date"));
493 tfGpsTime.setText("");
494 tfGpsTime.setEnabled(false);
495 }
496 });
497 panelLst.add(openButton, BorderLayout.PAGE_END);
498
499 panel.add(panelLst, BorderLayout.LINE_START);
500
501 boolean isOk = false;
502 while (!isOk) {
503 int answer = JOptionPane.showConfirmDialog(
504 Main.parent, panel,
505 tr("Synchronize time from a photo of the GPS receiver"),
506 JOptionPane.OK_CANCEL_OPTION,
507 JOptionPane.QUESTION_MESSAGE
508 );
509 if (answer == JOptionPane.CANCEL_OPTION)
510 return;
511
512 long delta;
513
514 try {
515 delta = dateFormat.parse(lbExifTime.getText()).getTime()
516 - dateFormat.parse(tfGpsTime.getText()).getTime();
517 } catch (ParseException e) {
518 JOptionPane.showMessageDialog(Main.parent, tr("Error while parsing the date.\n"
519 + "Please use the requested format"),
520 tr("Invalid date"), JOptionPane.ERROR_MESSAGE);
521 continue;
522 }
523
524 String selectedTz = (String) cbTimezones.getSelectedItem();
525 int pos = selectedTz.lastIndexOf('(');
526 tzId = selectedTz.substring(0, pos - 1);
527 String tzValue = selectedTz.substring(pos + 1, selectedTz.length() - 1);
528
529 Main.pref.put("geoimage.timezoneid", tzId);
530 tfOffset.setText(Offset.milliseconds(delta).formatOffset());
531 tfTimezone.setText(tzValue);
532
533 isOk = true;
534
535 }
536 statusBarUpdater.updateStatusBar();
537 yLayer.updateBufferAndRepaint();
538 }
539 }
540
541 @Override
542 public void actionPerformed(ActionEvent arg0) {
543 // Construct the list of loaded GPX tracks
544 Collection<Layer> layerLst = Main.getLayerManager().getLayers();
545 GpxDataWrapper defaultItem = null;
546 for (Layer cur : layerLst) {
547 if (cur instanceof GpxLayer) {
548 GpxLayer curGpx = (GpxLayer) cur;
549 GpxDataWrapper gdw = new GpxDataWrapper(curGpx.getName(), curGpx.data, curGpx.data.storageFile);
550 gpxLst.add(gdw);
551 if (cur == yLayer.gpxLayer) {
552 defaultItem = gdw;
553 }
554 }
555 }
556 for (GpxData data : loadedGpxData) {
557 gpxLst.add(new GpxDataWrapper(data.storageFile.getName(),
558 data,
559 data.storageFile));
560 }
561
562 if (gpxLst.isEmpty()) {
563 gpxLst.add(new GpxDataWrapper(tr("<No GPX track loaded yet>"), null, null));
564 }
565
566 JPanel panelCb = new JPanel();
567
568 panelCb.add(new JLabel(tr("GPX track: ")));
569
570 cbGpx = new JosmComboBox<>(gpxLst.toArray(new GpxDataWrapper[gpxLst.size()]));
571 if (defaultItem != null) {
572 cbGpx.setSelectedItem(defaultItem);
573 }
574 cbGpx.addActionListener(statusBarUpdaterWithRepaint);
575 panelCb.add(cbGpx);
576
577 JButton buttonOpen = new JButton(tr("Open another GPX trace"));
578 buttonOpen.addActionListener(new LoadGpxDataActionListener());
579 panelCb.add(buttonOpen);
580
581 JPanel panelTf = new JPanel(new GridBagLayout());
582
583 String prefTimezone = Main.pref.get("geoimage.timezone", "0:00");
584 if (prefTimezone == null) {
585 prefTimezone = "0:00";
586 }
587 try {
588 timezone = Timezone.parseTimezone(prefTimezone);
589 } catch (ParseException e) {
590 timezone = Timezone.ZERO;
591 }
592
593 tfTimezone = new JosmTextField(10);
594 tfTimezone.setText(timezone.formatTimezone());
595
596 try {
597 delta = Offset.parseOffset(Main.pref.get("geoimage.delta", "0"));
598 } catch (ParseException e) {
599 delta = Offset.ZERO;
600 }
601
602 tfOffset = new JosmTextField(10);
603 tfOffset.setText(delta.formatOffset());
604
605 JButton buttonViewGpsPhoto = new JButton(tr("<html>Use photo of an accurate clock,<br>"
606 + "e.g. GPS receiver display</html>"));
607 buttonViewGpsPhoto.setIcon(ImageProvider.get("clock"));
608 buttonViewGpsPhoto.addActionListener(new SetOffsetActionListener());
609
610 JButton buttonAutoGuess = new JButton(tr("Auto-Guess"));
611 buttonAutoGuess.setToolTipText(tr("Matches first photo with first gpx point"));
612 buttonAutoGuess.addActionListener(new AutoGuessActionListener());
613
614 JButton buttonAdjust = new JButton(tr("Manual adjust"));
615 buttonAdjust.addActionListener(new AdjustActionListener());
616
617 JLabel labelPosition = new JLabel(tr("Override position for: "));
618
619 int numAll = getSortedImgList(true, true).size();
620 int numExif = numAll - getSortedImgList(false, true).size();
621 int numTagged = numAll - getSortedImgList(true, false).size();
622
623 cbExifImg = new JCheckBox(tr("Images with geo location in exif data ({0}/{1})", numExif, numAll));
624 cbExifImg.setEnabled(numExif != 0);
625
626 cbTaggedImg = new JCheckBox(tr("Images that are already tagged ({0}/{1})", numTagged, numAll), true);
627 cbTaggedImg.setEnabled(numTagged != 0);
628
629 labelPosition.setEnabled(cbExifImg.isEnabled() || cbTaggedImg.isEnabled());
630
631 boolean ticked = yLayer.thumbsLoaded || Main.pref.getBoolean("geoimage.showThumbs", false);
632 cbShowThumbs = new JCheckBox(tr("Show Thumbnail images on the map"), ticked);
633 cbShowThumbs.setEnabled(!yLayer.thumbsLoaded);
634
635 int y = 0;
636 GBC gbc = GBC.eol();
637 gbc.gridx = 0;
638 gbc.gridy = y++;
639 panelTf.add(panelCb, gbc);
640
641 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 0, 0, 12);
642 gbc.gridx = 0;
643 gbc.gridy = y++;
644 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
645
646 gbc = GBC.std();
647 gbc.gridx = 0;
648 gbc.gridy = y;
649 panelTf.add(new JLabel(tr("Timezone: ")), gbc);
650
651 gbc = GBC.std().fill(GBC.HORIZONTAL);
652 gbc.gridx = 1;
653 gbc.gridy = y++;
654 gbc.weightx = 1.;
655 panelTf.add(tfTimezone, gbc);
656
657 gbc = GBC.std();
658 gbc.gridx = 0;
659 gbc.gridy = y;
660 panelTf.add(new JLabel(tr("Offset:")), gbc);
661
662 gbc = GBC.std().fill(GBC.HORIZONTAL);
663 gbc.gridx = 1;
664 gbc.gridy = y++;
665 gbc.weightx = 1.;
666 panelTf.add(tfOffset, gbc);
667
668 gbc = GBC.std().insets(5, 5, 5, 5);
669 gbc.gridx = 2;
670 gbc.gridy = y-2;
671 gbc.gridheight = 2;
672 gbc.gridwidth = 2;
673 gbc.fill = GridBagConstraints.BOTH;
674 gbc.weightx = 0.5;
675 panelTf.add(buttonViewGpsPhoto, gbc);
676
677 gbc = GBC.std().fill(GBC.BOTH).insets(5, 5, 5, 5);
678 gbc.gridx = 2;
679 gbc.gridy = y++;
680 gbc.weightx = 0.5;
681 panelTf.add(buttonAutoGuess, gbc);
682
683 gbc.gridx = 3;
684 panelTf.add(buttonAdjust, gbc);
685
686 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 12, 0, 0);
687 gbc.gridx = 0;
688 gbc.gridy = y++;
689 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
690
691 gbc = GBC.eol();
692 gbc.gridx = 0;
693 gbc.gridy = y++;
694 panelTf.add(labelPosition, gbc);
695
696 gbc = GBC.eol();
697 gbc.gridx = 1;
698 gbc.gridy = y++;
699 panelTf.add(cbExifImg, gbc);
700
701 gbc = GBC.eol();
702 gbc.gridx = 1;
703 gbc.gridy = y++;
704 panelTf.add(cbTaggedImg, gbc);
705
706 gbc = GBC.eol();
707 gbc.gridx = 0;
708 gbc.gridy = y;
709 panelTf.add(cbShowThumbs, gbc);
710
711 final JPanel statusBar = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
712 statusBar.setBorder(BorderFactory.createLoweredBevelBorder());
713 statusBarText = new JLabel(" ");
714 statusBarText.setFont(statusBarText.getFont().deriveFont(8));
715 statusBar.add(statusBarText);
716
717 tfTimezone.addFocusListener(repaintTheMap);
718 tfOffset.addFocusListener(repaintTheMap);
719
720 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
721 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
722 cbExifImg.addItemListener(statusBarUpdaterWithRepaint);
723 cbTaggedImg.addItemListener(statusBarUpdaterWithRepaint);
724
725 statusBarUpdater.updateStatusBar();
726
727 outerPanel = new JPanel(new BorderLayout());
728 outerPanel.add(statusBar, BorderLayout.PAGE_END);
729
730 if (!GraphicsEnvironment.isHeadless()) {
731 syncDialog = new ExtendedDialog(
732 Main.parent,
733 tr("Correlate images with GPX track"),
734 new String[] {tr("Correlate"), tr("Cancel")},
735 false
736 );
737 syncDialog.setContent(panelTf, false);
738 syncDialog.setButtonIcons(new String[] {"ok", "cancel"});
739 syncDialog.setupDialog();
740 outerPanel.add(syncDialog.getContentPane(), BorderLayout.PAGE_START);
741 syncDialog.setContentPane(outerPanel);
742 syncDialog.pack();
743 syncDialog.addWindowListener(new SyncDialogWindowListener());
744 syncDialog.showDialog();
745 }
746 }
747
748 private final transient StatusBarUpdater statusBarUpdater = new StatusBarUpdater(false);
749 private final transient StatusBarUpdater statusBarUpdaterWithRepaint = new StatusBarUpdater(true);
750
751 private class StatusBarUpdater implements DocumentListener, ItemListener, ActionListener {
752 private final boolean doRepaint;
753
754 StatusBarUpdater(boolean doRepaint) {
755 this.doRepaint = doRepaint;
756 }
757
758 @Override
759 public void insertUpdate(DocumentEvent ev) {
760 updateStatusBar();
761 }
762
763 @Override
764 public void removeUpdate(DocumentEvent ev) {
765 updateStatusBar();
766 }
767
768 @Override
769 public void changedUpdate(DocumentEvent ev) {
770 // Do nothing
771 }
772
773 @Override
774 public void itemStateChanged(ItemEvent e) {
775 updateStatusBar();
776 }
777
778 @Override
779 public void actionPerformed(ActionEvent e) {
780 updateStatusBar();
781 }
782
783 public void updateStatusBar() {
784 statusBarText.setText(statusText());
785 if (doRepaint) {
786 yLayer.updateBufferAndRepaint();
787 }
788 }
789
790 private String statusText() {
791 try {
792 timezone = Timezone.parseTimezone(tfTimezone.getText().trim());
793 delta = Offset.parseOffset(tfOffset.getText().trim());
794 } catch (ParseException e) {
795 return e.getMessage();
796 }
797
798 // The selection of images we are about to correlate may have changed.
799 // So reset all images.
800 if (yLayer.data != null) {
801 for (ImageEntry ie: yLayer.data) {
802 ie.discardTmp();
803 }
804 }
805
806 // Construct a list of images that have a date, and sort them on the date.
807 List<ImageEntry> dateImgLst = getSortedImgList();
808 // Create a temporary copy for each image
809 for (ImageEntry ie : dateImgLst) {
810 ie.createTmp();
811 ie.tmp.setPos(null);
812 }
813
814 GpxDataWrapper selGpx = selectedGPX(false);
815 if (selGpx == null)
816 return tr("No gpx selected");
817
818 final long offsetMs = ((long) (timezone.getHours() * TimeUnit.HOURS.toMillis(1))) + delta.getMilliseconds(); // in milliseconds
819 lastNumMatched = matchGpxTrack(dateImgLst, selGpx.data, offsetMs);
820
821 return trn("<html>Matched <b>{0}</b> of <b>{1}</b> photo to GPX track.</html>",
822 "<html>Matched <b>{0}</b> of <b>{1}</b> photos to GPX track.</html>",
823 dateImgLst.size(), lastNumMatched, dateImgLst.size());
824 }
825 }
826
827 private final transient RepaintTheMapListener repaintTheMap = new RepaintTheMapListener();
828
829 private class RepaintTheMapListener implements FocusListener {
830 @Override
831 public void focusGained(FocusEvent e) { // do nothing
832 }
833
834 @Override
835 public void focusLost(FocusEvent e) {
836 yLayer.updateBufferAndRepaint();
837 }
838 }
839
840 /**
841 * Presents dialog with sliders for manual adjust.
842 */
843 private class AdjustActionListener implements ActionListener {
844
845 @Override
846 public void actionPerformed(ActionEvent arg0) {
847
848 final Offset offset = Offset.milliseconds(
849 delta.getMilliseconds() + Math.round(timezone.getHours() * TimeUnit.HOURS.toMillis(1)));
850 final int dayOffset = offset.getDayOffset();
851 final Pair<Timezone, Offset> timezoneOffsetPair = offset.withoutDayOffset().splitOutTimezone();
852
853 // Info Labels
854 final JLabel lblMatches = new JLabel();
855
856 // Timezone Slider
857 // The slider allows to switch timezon from -12:00 to 12:00 in 30 minutes steps. Therefore the range is -24 to 24.
858 final JLabel lblTimezone = new JLabel();
859 final JSlider sldTimezone = new JSlider(-24, 24, 0);
860 sldTimezone.setPaintLabels(true);
861 Dictionary<Integer, JLabel> labelTable = new Hashtable<>();
862 // CHECKSTYLE.OFF: ParenPad
863 for (int i = -12; i <= 12; i += 6) {
864 labelTable.put(i * 2, new JLabel(new Timezone(i).formatTimezone()));
865 }
866 // CHECKSTYLE.ON: ParenPad
867 sldTimezone.setLabelTable(labelTable);
868
869 // Minutes Slider
870 final JLabel lblMinutes = new JLabel();
871 final JSlider sldMinutes = new JSlider(-15, 15, 0);
872 sldMinutes.setPaintLabels(true);
873 sldMinutes.setMajorTickSpacing(5);
874
875 // Seconds slider
876 final JLabel lblSeconds = new JLabel();
877 final JSlider sldSeconds = new JSlider(-600, 600, 0);
878 sldSeconds.setPaintLabels(true);
879 labelTable = new Hashtable<>();
880 // CHECKSTYLE.OFF: ParenPad
881 for (int i = -60; i <= 60; i += 30) {
882 labelTable.put(i * 10, new JLabel(Offset.seconds(i).formatOffset()));
883 }
884 // CHECKSTYLE.ON: ParenPad
885 sldSeconds.setLabelTable(labelTable);
886 sldSeconds.setMajorTickSpacing(300);
887
888 // This is called whenever one of the sliders is moved.
889 // It updates the labels and also calls the "match photos" code
890 class SliderListener implements ChangeListener {
891 @Override
892 public void stateChanged(ChangeEvent e) {
893 timezone = new Timezone(sldTimezone.getValue() / 2.);
894
895 lblTimezone.setText(tr("Timezone: {0}", timezone.formatTimezone()));
896 lblMinutes.setText(tr("Minutes: {0}", sldMinutes.getValue()));
897 lblSeconds.setText(tr("Seconds: {0}", Offset.milliseconds(100L * sldSeconds.getValue()).formatOffset()));
898
899 delta = Offset.milliseconds(100L * sldSeconds.getValue()
900 + TimeUnit.MINUTES.toMillis(sldMinutes.getValue())
901 + TimeUnit.DAYS.toMillis(dayOffset));
902
903 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
904 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
905
906 tfTimezone.setText(timezone.formatTimezone());
907 tfOffset.setText(delta.formatOffset());
908
909 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
910 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
911
912 lblMatches.setText(statusBarText.getText() + "<br>" + trn("(Time difference of {0} day)",
913 "Time difference of {0} days", Math.abs(dayOffset), Math.abs(dayOffset)));
914
915 statusBarUpdater.updateStatusBar();
916 yLayer.updateBufferAndRepaint();
917 }
918 }
919
920 // Put everything together
921 JPanel p = new JPanel(new GridBagLayout());
922 p.setPreferredSize(new Dimension(400, 230));
923 p.add(lblMatches, GBC.eol().fill());
924 p.add(lblTimezone, GBC.eol().fill());
925 p.add(sldTimezone, GBC.eol().fill().insets(0, 0, 0, 10));
926 p.add(lblMinutes, GBC.eol().fill());
927 p.add(sldMinutes, GBC.eol().fill().insets(0, 0, 0, 10));
928 p.add(lblSeconds, GBC.eol().fill());
929 p.add(sldSeconds, GBC.eol().fill());
930
931 // If there's an error in the calculation the found values
932 // will be off range for the sliders. Catch this error
933 // and inform the user about it.
934 try {
935 sldTimezone.setValue((int) (timezoneOffsetPair.a.getHours() * 2));
936 sldMinutes.setValue((int) (timezoneOffsetPair.b.getSeconds() / 60));
937 final long deciSeconds = timezoneOffsetPair.b.getMilliseconds() / 100;
938 sldSeconds.setValue((int) (deciSeconds % 60));
939 } catch (RuntimeException e) {
940 Main.warn(e);
941 JOptionPane.showMessageDialog(Main.parent,
942 tr("An error occurred while trying to match the photos to the GPX track."
943 +" You can adjust the sliders to manually match the photos."),
944 tr("Matching photos to track failed"),
945 JOptionPane.WARNING_MESSAGE);
946 }
947
948 // Call the sliderListener once manually so labels get adjusted
949 new SliderListener().stateChanged(null);
950 // Listeners added here, otherwise it tries to match three times
951 // (when setting the default values)
952 sldTimezone.addChangeListener(new SliderListener());
953 sldMinutes.addChangeListener(new SliderListener());
954 sldSeconds.addChangeListener(new SliderListener());
955
956 // There is no way to cancel this dialog, all changes get applied
957 // immediately. Therefore "Close" is marked with an "OK" icon.
958 // Settings are only saved temporarily to the layer.
959 new ExtendedDialog(Main.parent,
960 tr("Adjust timezone and offset"),
961 new String[] {tr("Close")}).
962 setContent(p).setButtonIcons(new String[] {"ok"}).showDialog();
963 }
964 }
965
966 static class NoGpxTimestamps extends Exception {
967 }
968
969 /**
970 * Tries to auto-guess the timezone and offset.
971 *
972 * @param imgs the images to correlate
973 * @param gpx the gpx track to correlate to
974 * @return a pair of timezone and offset
975 * @throws IndexOutOfBoundsException when there are no images
976 * @throws NoGpxTimestamps when the gpx track does not contain a timestamp
977 */
978 static Pair<Timezone, Offset> autoGuess(List<ImageEntry> imgs, GpxData gpx) throws NoGpxTimestamps {
979
980 // Init variables
981 long firstExifDate = imgs.get(0).getExifTime().getTime();
982
983 long firstGPXDate = -1;
984 // Finds first GPX point
985 outer: for (GpxTrack trk : gpx.tracks) {
986 for (GpxTrackSegment segment : trk.getSegments()) {
987 for (WayPoint curWp : segment.getWayPoints()) {
988 final Date parsedTime = curWp.setTimeFromAttribute();
989 if (parsedTime != null) {
990 firstGPXDate = parsedTime.getTime();
991 break outer;
992 }
993 }
994 }
995 }
996
997 if (firstGPXDate < 0) {
998 throw new NoGpxTimestamps();
999 }
1000
1001 return Offset.milliseconds(firstExifDate - firstGPXDate).splitOutTimezone();
1002 }
1003
1004 private class AutoGuessActionListener implements ActionListener {
1005
1006 @Override
1007 public void actionPerformed(ActionEvent arg0) {
1008 GpxDataWrapper gpxW = selectedGPX(true);
1009 if (gpxW == null)
1010 return;
1011 GpxData gpx = gpxW.data;
1012
1013 List<ImageEntry> imgs = getSortedImgList();
1014
1015 try {
1016 final Pair<Timezone, Offset> r = autoGuess(imgs, gpx);
1017 timezone = r.a;
1018 delta = r.b;
1019 } catch (IndexOutOfBoundsException ex) {
1020 Main.debug(ex);
1021 JOptionPane.showMessageDialog(Main.parent,
1022 tr("The selected photos do not contain time information."),
1023 tr("Photos do not contain time information"), JOptionPane.WARNING_MESSAGE);
1024 return;
1025 } catch (NoGpxTimestamps ex) {
1026 Main.debug(ex);
1027 JOptionPane.showMessageDialog(Main.parent,
1028 tr("The selected GPX track does not contain timestamps. Please select another one."),
1029 tr("GPX Track has no time information"), JOptionPane.WARNING_MESSAGE);
1030 return;
1031 }
1032
1033 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
1034 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
1035
1036 tfTimezone.setText(timezone.formatTimezone());
1037 tfOffset.setText(delta.formatOffset());
1038 tfOffset.requestFocus();
1039
1040 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1041 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1042
1043 statusBarUpdater.updateStatusBar();
1044 yLayer.updateBufferAndRepaint();
1045 }
1046 }
1047
1048 private List<ImageEntry> getSortedImgList() {
1049 return getSortedImgList(cbExifImg.isSelected(), cbTaggedImg.isSelected());
1050 }
1051
1052 /**
1053 * Returns a list of images that fulfill the given criteria.
1054 * Default setting is to return untagged images, but may be overwritten.
1055 * @param exif also returns images with exif-gps info
1056 * @param tagged also returns tagged images
1057 * @return matching images
1058 */
1059 private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) {
1060 if (yLayer.data == null) {
1061 return Collections.emptyList();
1062 }
1063 List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.data.size());
1064 for (ImageEntry e : yLayer.data) {
1065 if (!e.hasExifTime()) {
1066 continue;
1067 }
1068
1069 if (e.getExifCoor() != null && !exif) {
1070 continue;
1071 }
1072
1073 if (e.isTagged() && e.getExifCoor() == null && !tagged) {
1074 continue;
1075 }
1076
1077 dateImgLst.add(e);
1078 }
1079
1080 dateImgLst.sort(Comparator.comparing(ImageEntry::getExifTime));
1081
1082 return dateImgLst;
1083 }
1084
1085 private GpxDataWrapper selectedGPX(boolean complain) {
1086 Object item = cbGpx.getSelectedItem();
1087
1088 if (item == null || ((GpxDataWrapper) item).file == null) {
1089 if (complain) {
1090 JOptionPane.showMessageDialog(Main.parent, tr("You should select a GPX track"),
1091 tr("No selected GPX track"), JOptionPane.ERROR_MESSAGE);
1092 }
1093 return null;
1094 }
1095 return (GpxDataWrapper) item;
1096 }
1097
1098 /**
1099 * Match a list of photos to a gpx track with a given offset.
1100 * All images need a exifTime attribute and the List must be sorted according to these times.
1101 * @param images images to match
1102 * @param selectedGpx selected GPX data
1103 * @param offset offset
1104 * @return number of matched points
1105 */
1106 static int matchGpxTrack(List<ImageEntry> images, GpxData selectedGpx, long offset) {
1107 int ret = 0;
1108
1109 for (GpxTrack trk : selectedGpx.tracks) {
1110 for (GpxTrackSegment segment : trk.getSegments()) {
1111
1112 long prevWpTime = 0;
1113 WayPoint prevWp = null;
1114
1115 for (WayPoint curWp : segment.getWayPoints()) {
1116 final Date parsedTime = curWp.setTimeFromAttribute();
1117 if (parsedTime != null) {
1118 final long curWpTime = parsedTime.getTime() + offset;
1119 ret += matchPoints(images, prevWp, prevWpTime, curWp, curWpTime, offset);
1120
1121 prevWp = curWp;
1122 prevWpTime = curWpTime;
1123 continue;
1124 }
1125 prevWp = null;
1126 prevWpTime = 0;
1127 }
1128 }
1129 }
1130 return ret;
1131 }
1132
1133 private static Double getElevation(WayPoint wp) {
1134 String value = wp.getString(GpxConstants.PT_ELE);
1135 if (value != null && !value.isEmpty()) {
1136 try {
1137 return Double.valueOf(value);
1138 } catch (NumberFormatException e) {
1139 Main.warn(e);
1140 }
1141 }
1142 return null;
1143 }
1144
1145 static int matchPoints(List<ImageEntry> images, WayPoint prevWp, long prevWpTime,
1146 WayPoint curWp, long curWpTime, long offset) {
1147 // Time between the track point and the previous one, 5 sec if first point, i.e. photos take
1148 // 5 sec before the first track point can be assumed to be take at the starting position
1149 long interval = prevWpTime > 0 ? Math.abs(curWpTime - prevWpTime) : TimeUnit.SECONDS.toMillis(5);
1150 int ret = 0;
1151
1152 // i is the index of the timewise last photo that has the same or earlier EXIF time
1153 int i = getLastIndexOfListBefore(images, curWpTime);
1154
1155 // no photos match
1156 if (i < 0)
1157 return 0;
1158
1159 Double speed = null;
1160 Double prevElevation = null;
1161
1162 if (prevWp != null) {
1163 double distance = prevWp.getCoor().greatCircleDistance(curWp.getCoor());
1164 // This is in km/h, 3.6 * m/s
1165 if (curWpTime > prevWpTime) {
1166 speed = 3600 * distance / (curWpTime - prevWpTime);
1167 }
1168 prevElevation = getElevation(prevWp);
1169 }
1170
1171 Double curElevation = getElevation(curWp);
1172
1173 // First trackpoint, then interval is set to five seconds, i.e. photos up to five seconds
1174 // before the first point will be geotagged with the starting point
1175 if (prevWpTime == 0 || curWpTime <= prevWpTime) {
1176 while (i >= 0) {
1177 final ImageEntry curImg = images.get(i);
1178 long time = curImg.getExifTime().getTime();
1179 if (time > curWpTime || time < curWpTime - interval) {
1180 break;
1181 }
1182 if (curImg.tmp.getPos() == null) {
1183 curImg.tmp.setPos(curWp.getCoor());
1184 curImg.tmp.setSpeed(speed);
1185 curImg.tmp.setElevation(curElevation);
1186 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1187 curImg.flagNewGpsData();
1188 ret++;
1189 }
1190 i--;
1191 }
1192 return ret;
1193 }
1194
1195 // This code gives a simple linear interpolation of the coordinates between current and
1196 // previous track point assuming a constant speed in between
1197 while (i >= 0) {
1198 ImageEntry curImg = images.get(i);
1199 long imgTime = curImg.getExifTime().getTime();
1200 if (imgTime < prevWpTime) {
1201 break;
1202 }
1203
1204 if (curImg.tmp.getPos() == null && prevWp != null) {
1205 // The values of timeDiff are between 0 and 1, it is not seconds but a dimensionless variable
1206 double timeDiff = (double) (imgTime - prevWpTime) / interval;
1207 curImg.tmp.setPos(prevWp.getCoor().interpolate(curWp.getCoor(), timeDiff));
1208 curImg.tmp.setSpeed(speed);
1209 if (curElevation != null && prevElevation != null) {
1210 curImg.tmp.setElevation(prevElevation + (curElevation - prevElevation) * timeDiff);
1211 }
1212 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1213 curImg.flagNewGpsData();
1214
1215 ret++;
1216 }
1217 i--;
1218 }
1219 return ret;
1220 }
1221
1222 private static int getLastIndexOfListBefore(List<ImageEntry> images, long searchedTime) {
1223 int lstSize = images.size();
1224
1225 // No photos or the first photo taken is later than the search period
1226 if (lstSize == 0 || searchedTime < images.get(0).getExifTime().getTime())
1227 return -1;
1228
1229 // The search period is later than the last photo
1230 if (searchedTime > images.get(lstSize - 1).getExifTime().getTime())
1231 return lstSize-1;
1232
1233 // The searched index is somewhere in the middle, do a binary search from the beginning
1234 int curIndex;
1235 int startIndex = 0;
1236 int endIndex = lstSize-1;
1237 while (endIndex - startIndex > 1) {
1238 curIndex = (endIndex + startIndex) / 2;
1239 if (searchedTime > images.get(curIndex).getExifTime().getTime()) {
1240 startIndex = curIndex;
1241 } else {
1242 endIndex = curIndex;
1243 }
1244 }
1245 if (searchedTime < images.get(endIndex).getExifTime().getTime())
1246 return startIndex;
1247
1248 // This final loop is to check if photos with the exact same EXIF time follows
1249 while ((endIndex < (lstSize-1)) && (images.get(endIndex).getExifTime().getTime()
1250 == images.get(endIndex + 1).getExifTime().getTime())) {
1251 endIndex++;
1252 }
1253 return endIndex;
1254 }
1255
1256 static final class Timezone {
1257
1258 static final Timezone ZERO = new Timezone(0.0);
1259 private final double timezone;
1260
1261 Timezone(double hours) {
1262 this.timezone = hours;
1263 }
1264
1265 public double getHours() {
1266 return timezone;
1267 }
1268
1269 String formatTimezone() {
1270 StringBuilder ret = new StringBuilder();
1271
1272 double timezone = this.timezone;
1273 if (timezone < 0) {
1274 ret.append('-');
1275 timezone = -timezone;
1276 } else {
1277 ret.append('+');
1278 }
1279 ret.append((long) timezone).append(':');
1280 int minutes = (int) ((timezone % 1) * 60);
1281 if (minutes < 10) {
1282 ret.append('0');
1283 }
1284 ret.append(minutes);
1285
1286 return ret.toString();
1287 }
1288
1289 static Timezone parseTimezone(String timezone) throws ParseException {
1290
1291 if (timezone.isEmpty())
1292 return ZERO;
1293
1294 String error = tr("Error while parsing timezone.\nExpected format: {0}", "+H:MM");
1295
1296 char sgnTimezone = '+';
1297 StringBuilder hTimezone = new StringBuilder();
1298 StringBuilder mTimezone = new StringBuilder();
1299 int state = 1; // 1=start/sign, 2=hours, 3=minutes.
1300 for (int i = 0; i < timezone.length(); i++) {
1301 char c = timezone.charAt(i);
1302 switch (c) {
1303 case ' ':
1304 if (state != 2 || hTimezone.length() != 0)
1305 throw new ParseException(error, i);
1306 break;
1307 case '+':
1308 case '-':
1309 if (state == 1) {
1310 sgnTimezone = c;
1311 state = 2;
1312 } else
1313 throw new ParseException(error, i);
1314 break;
1315 case ':':
1316 case '.':
1317 if (state == 2) {
1318 state = 3;
1319 } else
1320 throw new ParseException(error, i);
1321 break;
1322 case '0':
1323 case '1':
1324 case '2':
1325 case '3':
1326 case '4':
1327 case '5':
1328 case '6':
1329 case '7':
1330 case '8':
1331 case '9':
1332 switch (state) {
1333 case 1:
1334 case 2:
1335 state = 2;
1336 hTimezone.append(c);
1337 break;
1338 case 3:
1339 mTimezone.append(c);
1340 break;
1341 default:
1342 throw new ParseException(error, i);
1343 }
1344 break;
1345 default:
1346 throw new ParseException(error, i);
1347 }
1348 }
1349
1350 int h = 0;
1351 int m = 0;
1352 try {
1353 h = Integer.parseInt(hTimezone.toString());
1354 if (mTimezone.length() > 0) {
1355 m = Integer.parseInt(mTimezone.toString());
1356 }
1357 } catch (NumberFormatException nfe) {
1358 // Invalid timezone
1359 throw (ParseException) new ParseException(error, 0).initCause(nfe);
1360 }
1361
1362 if (h > 12 || m > 59)
1363 throw new ParseException(error, 0);
1364 else
1365 return new Timezone((h + m / 60.0) * (sgnTimezone == '-' ? -1 : 1));
1366 }
1367
1368 @Override
1369 public boolean equals(Object o) {
1370 if (this == o) return true;
1371 if (!(o instanceof Timezone)) return false;
1372 Timezone timezone1 = (Timezone) o;
1373 return Double.compare(timezone1.timezone, timezone) == 0;
1374 }
1375
1376 @Override
1377 public int hashCode() {
1378 return Objects.hash(timezone);
1379 }
1380 }
1381
1382 static final class Offset {
1383
1384 static final Offset ZERO = new Offset(0);
1385 private final long milliseconds;
1386
1387 private Offset(long milliseconds) {
1388 this.milliseconds = milliseconds;
1389 }
1390
1391 static Offset milliseconds(long milliseconds) {
1392 return new Offset(milliseconds);
1393 }
1394
1395 static Offset seconds(long seconds) {
1396 return new Offset(1000 * seconds);
1397 }
1398
1399 long getMilliseconds() {
1400 return milliseconds;
1401 }
1402
1403 long getSeconds() {
1404 return milliseconds / 1000;
1405 }
1406
1407 String formatOffset() {
1408 if (milliseconds % 1000 == 0) {
1409 return Long.toString(milliseconds / 1000);
1410 } else if (milliseconds % 100 == 0) {
1411 return String.format(Locale.ENGLISH, "%.1f", milliseconds / 1000.);
1412 } else {
1413 return String.format(Locale.ENGLISH, "%.3f", milliseconds / 1000.);
1414 }
1415 }
1416
1417 static Offset parseOffset(String offset) throws ParseException {
1418 String error = tr("Error while parsing offset.\nExpected format: {0}", "number");
1419
1420 if (!offset.isEmpty()) {
1421 try {
1422 if (offset.startsWith("+")) {
1423 offset = offset.substring(1);
1424 }
1425 return Offset.milliseconds(Math.round(Double.parseDouble(offset) * 1000));
1426 } catch (NumberFormatException nfe) {
1427 throw (ParseException) new ParseException(error, 0).initCause(nfe);
1428 }
1429 } else {
1430 return Offset.ZERO;
1431 }
1432 }
1433
1434 int getDayOffset() {
1435 // Find day difference
1436 return (int) Math.round(((double) getMilliseconds()) / TimeUnit.DAYS.toMillis(1));
1437 }
1438
1439 Offset withoutDayOffset() {
1440 return milliseconds(getMilliseconds() - TimeUnit.DAYS.toMillis(getDayOffset()));
1441 }
1442
1443 Pair<Timezone, Offset> splitOutTimezone() {
1444 // In hours
1445 final double tz = ((double) withoutDayOffset().getSeconds()) / TimeUnit.HOURS.toSeconds(1);
1446
1447 // Due to imprecise clocks we might get a "+3:28" timezone, which should obviously be 3:30 with
1448 // -2 minutes offset. This determines the real timezone and finds offset.
1449 final double timezone = (double) Math.round(tz * 2) / 2; // hours, rounded to one decimal place
1450 final long delta = Math.round(getMilliseconds() - timezone * TimeUnit.HOURS.toMillis(1));
1451 return Pair.create(new Timezone(timezone), Offset.milliseconds(delta));
1452 }
1453
1454 @Override
1455 public boolean equals(Object o) {
1456 if (this == o) return true;
1457 if (!(o instanceof Offset)) return false;
1458 Offset offset = (Offset) o;
1459 return milliseconds == offset.milliseconds;
1460 }
1461
1462 @Override
1463 public int hashCode() {
1464 return Objects.hash(milliseconds);
1465 }
1466 }
1467}
Note: See TracBrowser for help on using the repository browser.