source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java@ 7954

Last change on this file since 7954 was 7935, checked in by bastiK, 9 years ago

applied #10920, applied #10854 - Move 'Toggle image thumbnail preview' feature to JOSM core (patch by holgermappt, modified)
  • Property svn:eol-style set to native
File size: 53.1 KB
Line 
1// License: GPL. See LICENSE file for details.
2package org.openstreetmap.josm.gui.layer.geoimage;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5import static org.openstreetmap.josm.tools.I18n.trn;
6
7import java.awt.BorderLayout;
8import java.awt.Cursor;
9import java.awt.Dimension;
10import java.awt.FlowLayout;
11import java.awt.GridBagConstraints;
12import java.awt.GridBagLayout;
13import java.awt.event.ActionEvent;
14import java.awt.event.ActionListener;
15import java.awt.event.FocusEvent;
16import java.awt.event.FocusListener;
17import java.awt.event.ItemEvent;
18import java.awt.event.ItemListener;
19import java.awt.event.WindowAdapter;
20import java.awt.event.WindowEvent;
21import java.io.File;
22import java.io.FileInputStream;
23import java.io.FileNotFoundException;
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.TimeZone;
38import java.util.zip.GZIPInputStream;
39
40import javax.swing.AbstractAction;
41import javax.swing.AbstractListModel;
42import javax.swing.BorderFactory;
43import javax.swing.JButton;
44import javax.swing.JCheckBox;
45import javax.swing.JFileChooser;
46import javax.swing.JLabel;
47import javax.swing.JList;
48import javax.swing.JOptionPane;
49import javax.swing.JPanel;
50import javax.swing.JScrollPane;
51import javax.swing.JSeparator;
52import javax.swing.JSlider;
53import javax.swing.ListSelectionModel;
54import javax.swing.SwingConstants;
55import javax.swing.event.ChangeEvent;
56import javax.swing.event.ChangeListener;
57import javax.swing.event.DocumentEvent;
58import javax.swing.event.DocumentListener;
59import javax.swing.event.ListSelectionEvent;
60import javax.swing.event.ListSelectionListener;
61import javax.swing.filechooser.FileFilter;
62
63import org.openstreetmap.josm.Main;
64import org.openstreetmap.josm.actions.DiskAccessAction;
65import org.openstreetmap.josm.data.gpx.GpxConstants;
66import org.openstreetmap.josm.data.gpx.GpxData;
67import org.openstreetmap.josm.data.gpx.GpxTrack;
68import org.openstreetmap.josm.data.gpx.GpxTrackSegment;
69import org.openstreetmap.josm.data.gpx.WayPoint;
70import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
71import org.openstreetmap.josm.gui.ExtendedDialog;
72import org.openstreetmap.josm.gui.layer.GpxLayer;
73import org.openstreetmap.josm.gui.layer.Layer;
74import org.openstreetmap.josm.gui.widgets.AbstractFileChooser;
75import org.openstreetmap.josm.gui.widgets.JosmComboBox;
76import org.openstreetmap.josm.gui.widgets.JosmTextField;
77import org.openstreetmap.josm.io.GpxReader;
78import org.openstreetmap.josm.tools.ExifReader;
79import org.openstreetmap.josm.tools.GBC;
80import org.openstreetmap.josm.tools.ImageProvider;
81import org.openstreetmap.josm.tools.date.DateUtils;
82import org.openstreetmap.josm.tools.date.PrimaryDateParser;
83import org.xml.sax.SAXException;
84
85/**
86 * This class displays the window to select the GPX file and the offset (timezone + delta).
87 * Then it correlates the images of the layer with that GPX file.
88 */
89public class CorrelateGpxWithImages extends AbstractAction {
90
91 private static List<GpxData> loadedGpxData = new ArrayList<>();
92
93 GeoImageLayer yLayer = null;
94 double timezone;
95 long delta;
96
97 /**
98 * Constructs a new {@code CorrelateGpxWithImages} action.
99 * @param layer The image layer
100 */
101 public CorrelateGpxWithImages(GeoImageLayer layer) {
102 super(tr("Correlate to GPX"), ImageProvider.get("dialogs/geoimage/gpx2img"));
103 this.yLayer = layer;
104 }
105
106 private static class GpxDataWrapper {
107 String name;
108 GpxData data;
109 File file;
110
111 public GpxDataWrapper(String name, GpxData data, File file) {
112 this.name = name;
113 this.data = data;
114 this.file = file;
115 }
116
117 @Override
118 public String toString() {
119 return name;
120 }
121 }
122
123 ExtendedDialog syncDialog;
124 List<GpxDataWrapper> gpxLst = new ArrayList<>();
125 JPanel outerPanel;
126 JosmComboBox<GpxDataWrapper> cbGpx;
127 JosmTextField tfTimezone;
128 JosmTextField tfOffset;
129 JCheckBox cbExifImg;
130 JCheckBox cbTaggedImg;
131 JCheckBox cbShowThumbs;
132 JLabel statusBarText;
133
134 // remember the last number of matched photos
135 int lastNumMatched = 0;
136
137 /** This class is called when the user doesn't find the GPX file he needs in the files that have
138 * been loaded yet. It displays a FileChooser dialog to select the GPX file to be loaded.
139 */
140 private class LoadGpxDataActionListener implements ActionListener {
141
142 @Override
143 public void actionPerformed(ActionEvent arg0) {
144 FileFilter filter = new FileFilter(){
145 @Override public boolean accept(File f) {
146 return (f.isDirectory()
147 || f .getName().toLowerCase().endsWith(".gpx")
148 || f.getName().toLowerCase().endsWith(".gpx.gz"));
149 }
150 @Override public String getDescription() {
151 return tr("GPX Files (*.gpx *.gpx.gz)");
152 }
153 };
154 AbstractFileChooser fc = DiskAccessAction.createAndOpenFileChooser(true, false, null, filter, JFileChooser.FILES_ONLY, null);
155 if (fc == null)
156 return;
157 File sel = fc.getSelectedFile();
158
159 try {
160 outerPanel.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
161
162 for (int i = gpxLst.size() - 1 ; i >= 0 ; i--) {
163 GpxDataWrapper wrapper = gpxLst.get(i);
164 if (wrapper.file != null && sel.equals(wrapper.file)) {
165 cbGpx.setSelectedIndex(i);
166 if (!sel.getName().equals(wrapper.name)) {
167 JOptionPane.showMessageDialog(
168 Main.parent,
169 tr("File {0} is loaded yet under the name \"{1}\"", sel.getName(), wrapper.name),
170 tr("Error"),
171 JOptionPane.ERROR_MESSAGE
172 );
173 }
174 return;
175 }
176 }
177 GpxData data = null;
178 try (InputStream iStream = createInputStream(sel)) {
179 GpxReader reader = new GpxReader(iStream);
180 reader.parse(false);
181 data = reader.getGpxData();
182 data.storageFile = sel;
183
184 } catch (SAXException x) {
185 Main.error(x);
186 JOptionPane.showMessageDialog(
187 Main.parent,
188 tr("Error while parsing {0}",sel.getName())+": "+x.getMessage(),
189 tr("Error"),
190 JOptionPane.ERROR_MESSAGE
191 );
192 return;
193 } catch (IOException x) {
194 Main.error(x);
195 JOptionPane.showMessageDialog(
196 Main.parent,
197 tr("Could not read \"{0}\"",sel.getName())+"\n"+x.getMessage(),
198 tr("Error"),
199 JOptionPane.ERROR_MESSAGE
200 );
201 return;
202 }
203
204 loadedGpxData.add(data);
205 if (gpxLst.get(0).file == null) {
206 gpxLst.remove(0);
207 }
208 gpxLst.add(new GpxDataWrapper(sel.getName(), data, sel));
209 cbGpx.setSelectedIndex(cbGpx.getItemCount() - 1);
210 } finally {
211 outerPanel.setCursor(Cursor.getDefaultCursor());
212 }
213 }
214
215 private InputStream createInputStream(File sel) throws IOException, FileNotFoundException {
216 if (sel.getName().toLowerCase().endsWith(".gpx.gz")) {
217 return new GZIPInputStream(new FileInputStream(sel));
218 } else {
219 return new FileInputStream(sel);
220 }
221 }
222 }
223
224 /**
225 * This action listener is called when the user has a photo of the time of his GPS receiver. It
226 * displays the list of photos of the layer, and upon selection displays the selected photo.
227 * From that photo, the user can key in the time of the GPS.
228 * Then values of timezone and delta are set.
229 * @author chris
230 *
231 */
232 private class SetOffsetActionListener implements ActionListener {
233 JPanel panel;
234 JLabel lbExifTime;
235 JosmTextField tfGpsTime;
236 JosmComboBox<String> cbTimezones;
237 ImageDisplay imgDisp;
238 JList<String> imgList;
239
240 @Override
241 public void actionPerformed(ActionEvent arg0) {
242 SimpleDateFormat dateFormat = (SimpleDateFormat) DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
243
244 panel = new JPanel();
245 panel.setLayout(new BorderLayout());
246 panel.add(new JLabel(tr("<html>Take a photo of your GPS receiver while it displays the time.<br>"
247 + "Display that photo here.<br>"
248 + "And then, simply capture the time you read on the photo and select a timezone<hr></html>")),
249 BorderLayout.NORTH);
250
251 imgDisp = new ImageDisplay();
252 imgDisp.setPreferredSize(new Dimension(300, 225));
253 panel.add(imgDisp, BorderLayout.CENTER);
254
255 JPanel panelTf = new JPanel();
256 panelTf.setLayout(new GridBagLayout());
257
258 GridBagConstraints gc = new GridBagConstraints();
259 gc.gridx = gc.gridy = 0;
260 gc.gridwidth = gc.gridheight = 1;
261 gc.weightx = gc.weighty = 0.0;
262 gc.fill = GridBagConstraints.NONE;
263 gc.anchor = GridBagConstraints.WEST;
264 panelTf.add(new JLabel(tr("Photo time (from exif):")), gc);
265
266 lbExifTime = new JLabel();
267 gc.gridx = 1;
268 gc.weightx = 1.0;
269 gc.fill = GridBagConstraints.HORIZONTAL;
270 gc.gridwidth = 2;
271 panelTf.add(lbExifTime, gc);
272
273 gc.gridx = 0;
274 gc.gridy = 1;
275 gc.gridwidth = gc.gridheight = 1;
276 gc.weightx = gc.weighty = 0.0;
277 gc.fill = GridBagConstraints.NONE;
278 gc.anchor = GridBagConstraints.WEST;
279 panelTf.add(new JLabel(tr("Gps time (read from the above photo): ")), gc);
280
281 tfGpsTime = new JosmTextField(12);
282 tfGpsTime.setEnabled(false);
283 tfGpsTime.setMinimumSize(new Dimension(155, tfGpsTime.getMinimumSize().height));
284 gc.gridx = 1;
285 gc.weightx = 1.0;
286 gc.fill = GridBagConstraints.HORIZONTAL;
287 panelTf.add(tfGpsTime, gc);
288
289 gc.gridx = 2;
290 gc.weightx = 0.2;
291 panelTf.add(new JLabel(" ["+dateFormat.toLocalizedPattern()+"]"), gc);
292
293 gc.gridx = 0;
294 gc.gridy = 2;
295 gc.gridwidth = gc.gridheight = 1;
296 gc.weightx = gc.weighty = 0.0;
297 gc.fill = GridBagConstraints.NONE;
298 gc.anchor = GridBagConstraints.WEST;
299 panelTf.add(new JLabel(tr("I am in the timezone of: ")), gc);
300
301 String[] tmp = TimeZone.getAvailableIDs();
302 List<String> vtTimezones = new ArrayList<>(tmp.length);
303
304 for (String tzStr : tmp) {
305 TimeZone tz = TimeZone.getTimeZone(tzStr);
306
307 String tzDesc = new StringBuilder(tzStr).append(" (")
308 .append(formatTimezone(tz.getRawOffset() / 3600000.0))
309 .append(')').toString();
310 vtTimezones.add(tzDesc);
311 }
312
313 Collections.sort(vtTimezones);
314
315 cbTimezones = new JosmComboBox<>(vtTimezones.toArray(new String[0]));
316
317 String tzId = Main.pref.get("geoimage.timezoneid", "");
318 TimeZone defaultTz;
319 if (tzId.length() == 0) {
320 defaultTz = TimeZone.getDefault();
321 } else {
322 defaultTz = TimeZone.getTimeZone(tzId);
323 }
324
325 cbTimezones.setSelectedItem(new StringBuilder(defaultTz.getID()).append(" (")
326 .append(formatTimezone(defaultTz.getRawOffset() / 3600000.0))
327 .append(')').toString());
328
329 gc.gridx = 1;
330 gc.weightx = 1.0;
331 gc.gridwidth = 2;
332 gc.fill = GridBagConstraints.HORIZONTAL;
333 panelTf.add(cbTimezones, gc);
334
335 panel.add(panelTf, BorderLayout.SOUTH);
336
337 JPanel panelLst = new JPanel();
338 panelLst.setLayout(new BorderLayout());
339
340 imgList = new JList<>(new AbstractListModel<String>() {
341 @Override
342 public String getElementAt(int i) {
343 return yLayer.data.get(i).getFile().getName();
344 }
345
346 @Override
347 public int getSize() {
348 return yLayer.data.size();
349 }
350 });
351 imgList.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
352 imgList.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
353
354 @Override
355 public void valueChanged(ListSelectionEvent arg0) {
356 int index = imgList.getSelectedIndex();
357 Integer orientation = null;
358 try {
359 orientation = ExifReader.readOrientation(yLayer.data.get(index).getFile());
360 } catch (Exception e) {
361 Main.warn(e);
362 }
363 imgDisp.setImage(yLayer.data.get(index).getFile(), orientation);
364 Date date = yLayer.data.get(index).getExifTime();
365 if (date != null) {
366 DateFormat df = DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
367 lbExifTime.setText(df.format(date));
368 tfGpsTime.setText(df.format(date));
369 tfGpsTime.setCaretPosition(tfGpsTime.getText().length());
370 tfGpsTime.setEnabled(true);
371 tfGpsTime.requestFocus();
372 } else {
373 lbExifTime.setText(tr("No date"));
374 tfGpsTime.setText("");
375 tfGpsTime.setEnabled(false);
376 }
377 }
378 });
379 panelLst.add(new JScrollPane(imgList), BorderLayout.CENTER);
380
381 JButton openButton = new JButton(tr("Open another photo"));
382 openButton.addActionListener(new ActionListener() {
383
384 @Override
385 public void actionPerformed(ActionEvent ae) {
386 AbstractFileChooser fc = DiskAccessAction.createAndOpenFileChooser(true, false, null, JpegFileFilter.getInstance(),
387 JFileChooser.FILES_ONLY, "geoimage.lastdirectory");
388 if (fc == null)
389 return;
390 File sel = fc.getSelectedFile();
391
392 Integer orientation = null;
393 try {
394 orientation = ExifReader.readOrientation(sel);
395 } catch (Exception e) {
396 Main.warn(e);
397 }
398 imgDisp.setImage(sel, orientation);
399
400 Date date = null;
401 try {
402 date = ExifReader.readTime(sel);
403 } catch (Exception e) {
404 Main.warn(e);
405 }
406 if (date != null) {
407 lbExifTime.setText(DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM).format(date));
408 tfGpsTime.setText(DateUtils.getDateFormat(DateFormat.SHORT).format(date)+" ");
409 tfGpsTime.setEnabled(true);
410 } else {
411 lbExifTime.setText(tr("No date"));
412 tfGpsTime.setText("");
413 tfGpsTime.setEnabled(false);
414 }
415 }
416 });
417 panelLst.add(openButton, BorderLayout.PAGE_END);
418
419 panel.add(panelLst, BorderLayout.LINE_START);
420
421 boolean isOk = false;
422 while (! isOk) {
423 int answer = JOptionPane.showConfirmDialog(
424 Main.parent, panel,
425 tr("Synchronize time from a photo of the GPS receiver"),
426 JOptionPane.OK_CANCEL_OPTION,
427 JOptionPane.QUESTION_MESSAGE
428 );
429 if (answer == JOptionPane.CANCEL_OPTION)
430 return;
431
432 long delta;
433
434 try {
435 delta = dateFormat.parse(lbExifTime.getText()).getTime()
436 - dateFormat.parse(tfGpsTime.getText()).getTime();
437 } catch(ParseException e) {
438 JOptionPane.showMessageDialog(Main.parent, tr("Error while parsing the date.\n"
439 + "Please use the requested format"),
440 tr("Invalid date"), JOptionPane.ERROR_MESSAGE );
441 continue;
442 }
443
444 String selectedTz = (String) cbTimezones.getSelectedItem();
445 int pos = selectedTz.lastIndexOf('(');
446 tzId = selectedTz.substring(0, pos - 1);
447 String tzValue = selectedTz.substring(pos + 1, selectedTz.length() - 1);
448
449 Main.pref.put("geoimage.timezoneid", tzId);
450 tfOffset.setText(Long.toString(delta / 1000));
451 tfTimezone.setText(tzValue);
452
453 isOk = true;
454
455 }
456 statusBarUpdater.updateStatusBar();
457 yLayer.updateBufferAndRepaint();
458 }
459 }
460
461 @Override
462 public void actionPerformed(ActionEvent arg0) {
463 // Construct the list of loaded GPX tracks
464 Collection<Layer> layerLst = Main.map.mapView.getAllLayers();
465 GpxDataWrapper defaultItem = null;
466 for (Layer cur : layerLst) {
467 if (cur instanceof GpxLayer) {
468 GpxLayer curGpx = (GpxLayer) cur;
469 GpxDataWrapper gdw = new GpxDataWrapper(curGpx.getName(), curGpx.data, curGpx.data.storageFile);
470 gpxLst.add(gdw);
471 if (cur == yLayer.gpxLayer) {
472 defaultItem = gdw;
473 }
474 }
475 }
476 for (GpxData data : loadedGpxData) {
477 gpxLst.add(new GpxDataWrapper(data.storageFile.getName(),
478 data,
479 data.storageFile));
480 }
481
482 if (gpxLst.isEmpty()) {
483 gpxLst.add(new GpxDataWrapper(tr("<No GPX track loaded yet>"), null, null));
484 }
485
486 JPanel panelCb = new JPanel();
487
488 panelCb.add(new JLabel(tr("GPX track: ")));
489
490 cbGpx = new JosmComboBox<>(gpxLst.toArray(new GpxDataWrapper[0]));
491 if (defaultItem != null) {
492 cbGpx.setSelectedItem(defaultItem);
493 }
494 cbGpx.addActionListener(statusBarUpdaterWithRepaint);
495 panelCb.add(cbGpx);
496
497 JButton buttonOpen = new JButton(tr("Open another GPX trace"));
498 buttonOpen.addActionListener(new LoadGpxDataActionListener());
499 panelCb.add(buttonOpen);
500
501 JPanel panelTf = new JPanel();
502 panelTf.setLayout(new GridBagLayout());
503
504 String prefTimezone = Main.pref.get("geoimage.timezone", "0:00");
505 if (prefTimezone == null) {
506 prefTimezone = "0:00";
507 }
508 try {
509 timezone = parseTimezone(prefTimezone);
510 } catch (ParseException e) {
511 timezone = 0;
512 }
513
514 tfTimezone = new JosmTextField(10);
515 tfTimezone.setText(formatTimezone(timezone));
516
517 try {
518 delta = parseOffset(Main.pref.get("geoimage.delta", "0"));
519 } catch (ParseException e) {
520 delta = 0;
521 }
522 delta = delta / 1000; // milliseconds -> seconds
523
524 tfOffset = new JosmTextField(10);
525 tfOffset.setText(Long.toString(delta));
526
527 JButton buttonViewGpsPhoto = new JButton(tr("<html>Use photo of an accurate clock,<br>"
528 + "e.g. GPS receiver display</html>"));
529 buttonViewGpsPhoto.setIcon(ImageProvider.get("clock"));
530 buttonViewGpsPhoto.addActionListener(new SetOffsetActionListener());
531
532 JButton buttonAutoGuess = new JButton(tr("Auto-Guess"));
533 buttonAutoGuess.setToolTipText(tr("Matches first photo with first gpx point"));
534 buttonAutoGuess.addActionListener(new AutoGuessActionListener());
535
536 JButton buttonAdjust = new JButton(tr("Manual adjust"));
537 buttonAdjust.addActionListener(new AdjustActionListener());
538
539 JLabel labelPosition = new JLabel(tr("Override position for: "));
540
541 int numAll = getSortedImgList(true, true).size();
542 int numExif = numAll - getSortedImgList(false, true).size();
543 int numTagged = numAll - getSortedImgList(true, false).size();
544
545 cbExifImg = new JCheckBox(tr("Images with geo location in exif data ({0}/{1})", numExif, numAll));
546 cbExifImg.setEnabled(numExif != 0);
547
548 cbTaggedImg = new JCheckBox(tr("Images that are already tagged ({0}/{1})", numTagged, numAll), true);
549 cbTaggedImg.setEnabled(numTagged != 0);
550
551 labelPosition.setEnabled(cbExifImg.isEnabled() || cbTaggedImg.isEnabled());
552
553 boolean ticked = yLayer.thumbsLoaded || Main.pref.getBoolean("geoimage.showThumbs", false);
554 cbShowThumbs = new JCheckBox(tr("Show Thumbnail images on the map"), ticked);
555 cbShowThumbs.setEnabled(!yLayer.thumbsLoaded);
556
557 int y=0;
558 GBC gbc = GBC.eol();
559 gbc.gridx = 0;
560 gbc.gridy = y++;
561 panelTf.add(panelCb, gbc);
562
563 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0,0,0,12);
564 gbc.gridx = 0;
565 gbc.gridy = y++;
566 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
567
568 gbc = GBC.std();
569 gbc.gridx = 0;
570 gbc.gridy = y;
571 panelTf.add(new JLabel(tr("Timezone: ")), gbc);
572
573 gbc = GBC.std().fill(GBC.HORIZONTAL);
574 gbc.gridx = 1;
575 gbc.gridy = y++;
576 gbc.weightx = 1.;
577 panelTf.add(tfTimezone, gbc);
578
579 gbc = GBC.std();
580 gbc.gridx = 0;
581 gbc.gridy = y;
582 panelTf.add(new JLabel(tr("Offset:")), gbc);
583
584 gbc = GBC.std().fill(GBC.HORIZONTAL);
585 gbc.gridx = 1;
586 gbc.gridy = y++;
587 gbc.weightx = 1.;
588 panelTf.add(tfOffset, gbc);
589
590 gbc = GBC.std().insets(5,5,5,5);
591 gbc.gridx = 2;
592 gbc.gridy = y-2;
593 gbc.gridheight = 2;
594 gbc.gridwidth = 2;
595 gbc.fill = GridBagConstraints.BOTH;
596 gbc.weightx = 0.5;
597 panelTf.add(buttonViewGpsPhoto, gbc);
598
599 gbc = GBC.std().fill(GBC.BOTH).insets(5,5,5,5);
600 gbc.gridx = 2;
601 gbc.gridy = y++;
602 gbc.weightx = 0.5;
603 panelTf.add(buttonAutoGuess, gbc);
604
605 gbc.gridx = 3;
606 panelTf.add(buttonAdjust, gbc);
607
608 gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0,12,0,0);
609 gbc.gridx = 0;
610 gbc.gridy = y++;
611 panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
612
613 gbc = GBC.eol();
614 gbc.gridx = 0;
615 gbc.gridy = y++;
616 panelTf.add(labelPosition, gbc);
617
618 gbc = GBC.eol();
619 gbc.gridx = 1;
620 gbc.gridy = y++;
621 panelTf.add(cbExifImg, gbc);
622
623 gbc = GBC.eol();
624 gbc.gridx = 1;
625 gbc.gridy = y++;
626 panelTf.add(cbTaggedImg, gbc);
627
628 gbc = GBC.eol();
629 gbc.gridx = 0;
630 gbc.gridy = y++;
631 panelTf.add(cbShowThumbs, gbc);
632
633 final JPanel statusBar = new JPanel();
634 statusBar.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
635 statusBar.setBorder(BorderFactory.createLoweredBevelBorder());
636 statusBarText = new JLabel(" ");
637 statusBarText.setFont(statusBarText.getFont().deriveFont(8));
638 statusBar.add(statusBarText);
639
640 tfTimezone.addFocusListener(repaintTheMap);
641 tfOffset.addFocusListener(repaintTheMap);
642
643 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
644 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
645 cbExifImg.addItemListener(statusBarUpdaterWithRepaint);
646 cbTaggedImg.addItemListener(statusBarUpdaterWithRepaint);
647
648 statusBarUpdater.updateStatusBar();
649
650 outerPanel = new JPanel();
651 outerPanel.setLayout(new BorderLayout());
652 outerPanel.add(statusBar, BorderLayout.PAGE_END);
653
654 syncDialog = new ExtendedDialog(
655 Main.parent,
656 tr("Correlate images with GPX track"),
657 new String[] { tr("Correlate"), tr("Cancel") },
658 false
659 );
660 syncDialog.setContent(panelTf, false);
661 syncDialog.setButtonIcons(new String[] { "ok.png", "cancel.png" });
662 syncDialog.setupDialog();
663 outerPanel.add(syncDialog.getContentPane(), BorderLayout.PAGE_START);
664 syncDialog.setContentPane(outerPanel);
665 syncDialog.pack();
666 syncDialog.addWindowListener(new WindowAdapter() {
667 static final int CANCEL = -1;
668 static final int DONE = 0;
669 static final int AGAIN = 1;
670 static final int NOTHING = 2;
671 private int checkAndSave() {
672 if (syncDialog.isVisible())
673 // nothing happened: JOSM was minimized or similar
674 return NOTHING;
675 int answer = syncDialog.getValue();
676 if(answer != 1)
677 return CANCEL;
678
679 // Parse values again, to display an error if the format is not recognized
680 try {
681 timezone = parseTimezone(tfTimezone.getText().trim());
682 } catch (ParseException e) {
683 JOptionPane.showMessageDialog(Main.parent, e.getMessage(),
684 tr("Invalid timezone"), JOptionPane.ERROR_MESSAGE);
685 return AGAIN;
686 }
687
688 try {
689 delta = parseOffset(tfOffset.getText().trim());
690 } catch (ParseException e) {
691 JOptionPane.showMessageDialog(Main.parent, e.getMessage(),
692 tr("Invalid offset"), JOptionPane.ERROR_MESSAGE);
693 return AGAIN;
694 }
695
696 if (lastNumMatched == 0 && new ExtendedDialog(
697 Main.parent,
698 tr("Correlate images with GPX track"),
699 new String[] { tr("OK"), tr("Try Again") }).
700 setContent(tr("No images could be matched!")).
701 setButtonIcons(new String[] { "ok.png", "dialogs/refresh.png"}).
702 showDialog().getValue() == 2)
703 return AGAIN;
704 return DONE;
705 }
706
707 @Override
708 public void windowDeactivated(WindowEvent e) {
709 int result = checkAndSave();
710 switch (result) {
711 case NOTHING:
712 break;
713 case CANCEL:
714 if (yLayer != null) {
715 for (ImageEntry ie : yLayer.data) {
716 ie.tmp = null;
717 }
718 yLayer.updateBufferAndRepaint();
719 }
720 break;
721 case AGAIN:
722 actionPerformed(null);
723 break;
724 case DONE:
725 Main.pref.put("geoimage.timezone", formatTimezone(timezone));
726 Main.pref.put("geoimage.delta", Long.toString(delta * 1000));
727 Main.pref.put("geoimage.showThumbs", yLayer.useThumbs);
728
729 yLayer.useThumbs = cbShowThumbs.isSelected();
730 yLayer.startLoadThumbs();
731
732 // Search whether an other layer has yet defined some bounding box.
733 // If none, we'll zoom to the bounding box of the layer with the photos.
734 boolean boundingBoxedLayerFound = false;
735 for (Layer l: Main.map.mapView.getAllLayers()) {
736 if (l != yLayer) {
737 BoundingXYVisitor bbox = new BoundingXYVisitor();
738 l.visitBoundingBox(bbox);
739 if (bbox.getBounds() != null) {
740 boundingBoxedLayerFound = true;
741 break;
742 }
743 }
744 }
745 if (! boundingBoxedLayerFound) {
746 BoundingXYVisitor bbox = new BoundingXYVisitor();
747 yLayer.visitBoundingBox(bbox);
748 Main.map.mapView.zoomTo(bbox);
749 }
750
751 for (ImageEntry ie : yLayer.data) {
752 ie.applyTmp();
753 }
754
755 yLayer.updateBufferAndRepaint();
756
757 break;
758 default:
759 throw new IllegalStateException();
760 }
761 }
762 });
763 syncDialog.showDialog();
764 }
765
766 StatusBarUpdater statusBarUpdater = new StatusBarUpdater(false);
767 StatusBarUpdater statusBarUpdaterWithRepaint = new StatusBarUpdater(true);
768
769 private class StatusBarUpdater implements DocumentListener, ItemListener, ActionListener {
770 private boolean doRepaint;
771
772 public StatusBarUpdater(boolean doRepaint) {
773 this.doRepaint = doRepaint;
774 }
775
776 @Override
777 public void insertUpdate(DocumentEvent ev) {
778 updateStatusBar();
779 }
780 @Override
781 public void removeUpdate(DocumentEvent ev) {
782 updateStatusBar();
783 }
784 @Override
785 public void changedUpdate(DocumentEvent ev) {
786 }
787 @Override
788 public void itemStateChanged(ItemEvent e) {
789 updateStatusBar();
790 }
791 @Override
792 public void actionPerformed(ActionEvent e) {
793 updateStatusBar();
794 }
795
796 public void updateStatusBar() {
797 statusBarText.setText(statusText());
798 if (doRepaint) {
799 yLayer.updateBufferAndRepaint();
800 }
801 }
802
803 private String statusText() {
804 try {
805 timezone = parseTimezone(tfTimezone.getText().trim());
806 delta = parseOffset(tfOffset.getText().trim());
807 } catch (ParseException e) {
808 return e.getMessage();
809 }
810
811 // The selection of images we are about to correlate may have changed.
812 // So reset all images.
813 for (ImageEntry ie: yLayer.data) {
814 ie.tmp = null;
815 }
816
817 // Construct a list of images that have a date, and sort them on the date.
818 List<ImageEntry> dateImgLst = getSortedImgList();
819 // Create a temporary copy for each image
820 for (ImageEntry ie : dateImgLst) {
821 ie.cleanTmp();
822 }
823
824 GpxDataWrapper selGpx = selectedGPX(false);
825 if (selGpx == null)
826 return tr("No gpx selected");
827
828 final long offset_ms = ((long) (timezone * 3600) + delta) * 1000; // in milliseconds
829 lastNumMatched = matchGpxTrack(dateImgLst, selGpx.data, offset_ms);
830
831 return trn("<html>Matched <b>{0}</b> of <b>{1}</b> photo to GPX track.</html>",
832 "<html>Matched <b>{0}</b> of <b>{1}</b> photos to GPX track.</html>",
833 dateImgLst.size(), lastNumMatched, dateImgLst.size());
834 }
835 }
836
837 RepaintTheMapListener repaintTheMap = new RepaintTheMapListener();
838 private class RepaintTheMapListener implements FocusListener {
839 @Override
840 public void focusGained(FocusEvent e) { // do nothing
841 }
842
843 @Override
844 public void focusLost(FocusEvent e) {
845 yLayer.updateBufferAndRepaint();
846 }
847 }
848
849 /**
850 * Presents dialog with sliders for manual adjust.
851 */
852 private class AdjustActionListener implements ActionListener {
853
854 @Override
855 public void actionPerformed(ActionEvent arg0) {
856
857 long diff = delta + Math.round(timezone*60*60);
858
859 double diffInH = (double)diff/(60*60); // hours
860
861 // Find day difference
862 final int dayOffset = (int)Math.round(diffInH / 24); // days
863 double tmz = diff - dayOffset*24*60*60L; // seconds
864
865 // In hours, rounded to two decimal places
866 tmz = (double)Math.round(tmz*100/(60*60)) / 100;
867
868 // Due to imprecise clocks we might get a "+3:28" timezone, which should obviously be 3:30 with
869 // -2 minutes offset. This determines the real timezone and finds offset.
870 double fixTimezone = (double)Math.round(tmz * 2)/2; // hours, rounded to one decimal place
871 int offset = (int)Math.round(diff - fixTimezone*60*60) - dayOffset*24*60*60; // seconds
872
873 // Info Labels
874 final JLabel lblMatches = new JLabel();
875
876 // Timezone Slider
877 // The slider allows to switch timezon from -12:00 to 12:00 in 30 minutes
878 // steps. Therefore the range is -24 to 24.
879 final JLabel lblTimezone = new JLabel();
880 final JSlider sldTimezone = new JSlider(-24, 24, 0);
881 sldTimezone.setPaintLabels(true);
882 Dictionary<Integer,JLabel> labelTable = new Hashtable<>();
883 labelTable.put(-24, new JLabel("-12:00"));
884 labelTable.put(-12, new JLabel( "-6:00"));
885 labelTable.put( 0, new JLabel( "0:00"));
886 labelTable.put( 12, new JLabel( "6:00"));
887 labelTable.put( 24, new JLabel( "12:00"));
888 sldTimezone.setLabelTable(labelTable);
889
890 // Minutes Slider
891 final JLabel lblMinutes = new JLabel();
892 final JSlider sldMinutes = new JSlider(-15, 15, 0);
893 sldMinutes.setPaintLabels(true);
894 sldMinutes.setMajorTickSpacing(5);
895
896 // Seconds slider
897 final JLabel lblSeconds = new JLabel();
898 final JSlider sldSeconds = new JSlider(-60, 60, 0);
899 sldSeconds.setPaintLabels(true);
900 sldSeconds.setMajorTickSpacing(30);
901
902 // This is called whenever one of the sliders is moved.
903 // It updates the labels and also calls the "match photos" code
904 class SliderListener implements ChangeListener {
905 @Override
906 public void stateChanged(ChangeEvent e) {
907 // parse slider position into real timezone
908 double tz = Math.abs(sldTimezone.getValue());
909 String zone = tz % 2 == 0
910 ? (int)Math.floor(tz/2) + ":00"
911 : (int)Math.floor(tz/2) + ":30";
912 if(sldTimezone.getValue() < 0) {
913 zone = "-" + zone;
914 }
915
916 lblTimezone.setText(tr("Timezone: {0}", zone));
917 lblMinutes.setText(tr("Minutes: {0}", sldMinutes.getValue()));
918 lblSeconds.setText(tr("Seconds: {0}", sldSeconds.getValue()));
919
920 try {
921 timezone = parseTimezone(zone);
922 } catch (ParseException pe) {
923 throw new RuntimeException(pe);
924 }
925 delta = sldMinutes.getValue()*60 + sldSeconds.getValue();
926
927 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
928 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
929
930 tfTimezone.setText(formatTimezone(timezone));
931 tfOffset.setText(Long.toString(delta + 24*60*60L*dayOffset)); // add the day offset to the offset field
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)(fixTimezone*2));
960 sldMinutes.setValue(offset/60);
961 sldSeconds.setValue(offset%60);
962 } catch(Exception e) {
963 JOptionPane.showMessageDialog(Main.parent,
964 tr("An error occurred while trying to match the photos to the GPX track."
965 +" You can adjust the sliders to manually match the photos."),
966 tr("Matching photos to track failed"),
967 JOptionPane.WARNING_MESSAGE);
968 }
969
970 // Call the sliderListener once manually so labels get adjusted
971 new SliderListener().stateChanged(null);
972 // Listeners added here, otherwise it tries to match three times
973 // (when setting the default values)
974 sldTimezone.addChangeListener(new SliderListener());
975 sldMinutes.addChangeListener(new SliderListener());
976 sldSeconds.addChangeListener(new SliderListener());
977
978 // There is no way to cancel this dialog, all changes get applied
979 // immediately. Therefore "Close" is marked with an "OK" icon.
980 // Settings are only saved temporarily to the layer.
981 new ExtendedDialog(Main.parent,
982 tr("Adjust timezone and offset"),
983 new String[] { tr("Close")}).
984 setContent(p).setButtonIcons(new String[] {"ok.png"}).showDialog();
985 }
986 }
987
988 private class AutoGuessActionListener implements ActionListener {
989
990 @Override
991 public void actionPerformed(ActionEvent arg0) {
992 GpxDataWrapper gpxW = selectedGPX(true);
993 if (gpxW == null)
994 return;
995 GpxData gpx = gpxW.data;
996
997 List<ImageEntry> imgs = getSortedImgList();
998 PrimaryDateParser dateParser = new PrimaryDateParser();
999
1000 // no images found, exit
1001 if(imgs.size() <= 0) {
1002 JOptionPane.showMessageDialog(Main.parent,
1003 tr("The selected photos do not contain time information."),
1004 tr("Photos do not contain time information"), JOptionPane.WARNING_MESSAGE);
1005 return;
1006 }
1007
1008 // Init variables
1009 long firstExifDate = imgs.get(0).getExifTime().getTime()/1000;
1010
1011 long firstGPXDate = -1;
1012 // Finds first GPX point
1013 outer: for (GpxTrack trk : gpx.tracks) {
1014 for (GpxTrackSegment segment : trk.getSegments()) {
1015 for (WayPoint curWp : segment.getWayPoints()) {
1016 String curDateWpStr = curWp.getString(GpxConstants.PT_TIME);
1017 if (curDateWpStr == null) {
1018 continue;
1019 }
1020
1021 try {
1022 firstGPXDate = dateParser.parse(curDateWpStr).getTime()/1000;
1023 break outer;
1024 } catch(Exception e) {
1025 Main.warn(e);
1026 }
1027 }
1028 }
1029 }
1030
1031 // No GPX timestamps found, exit
1032 if(firstGPXDate < 0) {
1033 JOptionPane.showMessageDialog(Main.parent,
1034 tr("The selected GPX track does not contain timestamps. Please select another one."),
1035 tr("GPX Track has no time information"), JOptionPane.WARNING_MESSAGE);
1036 return;
1037 }
1038
1039 // seconds
1040 long diff = firstExifDate - firstGPXDate;
1041
1042 double diffInH = (double)diff/(60*60); // hours
1043
1044 // Find day difference
1045 int dayOffset = (int)Math.round(diffInH / 24); // days
1046 double tz = diff - dayOffset*24*60*60L; // seconds
1047
1048 // In hours, rounded to two decimal places
1049 tz = (double)Math.round(tz*100/(60*60)) / 100;
1050
1051 // Due to imprecise clocks we might get a "+3:28" timezone, which should obviously be 3:30 with
1052 // -2 minutes offset. This determines the real timezone and finds offset.
1053 timezone = (double)Math.round(tz * 2)/2; // hours, rounded to one decimal place
1054 delta = Math.round(diff - timezone*60*60); // seconds
1055
1056 tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
1057 tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
1058
1059 tfTimezone.setText(formatTimezone(timezone));
1060 tfOffset.setText(Long.toString(delta));
1061 tfOffset.requestFocus();
1062
1063 tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1064 tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1065
1066 statusBarUpdater.updateStatusBar();
1067 yLayer.updateBufferAndRepaint();
1068 }
1069 }
1070
1071 private List<ImageEntry> getSortedImgList() {
1072 return getSortedImgList(cbExifImg.isSelected(), cbTaggedImg.isSelected());
1073 }
1074
1075 /**
1076 * Returns a list of images that fulfill the given criteria.
1077 * Default setting is to return untagged images, but may be overwritten.
1078 * @param exif also returns images with exif-gps info
1079 * @param tagged also returns tagged images
1080 * @return matching images
1081 */
1082 private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) {
1083 List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.data.size());
1084 for (ImageEntry e : yLayer.data) {
1085 if (!e.hasExifTime()) {
1086 continue;
1087 }
1088
1089 if (e.getExifCoor() != null && !exif) {
1090 continue;
1091 }
1092
1093 if (e.isTagged() && e.getExifCoor() == null && !tagged) {
1094 continue;
1095 }
1096
1097 dateImgLst.add(e);
1098 }
1099
1100 Collections.sort(dateImgLst, new Comparator<ImageEntry>() {
1101 @Override
1102 public int compare(ImageEntry arg0, ImageEntry arg1) {
1103 return arg0.getExifTime().compareTo(arg1.getExifTime());
1104 }
1105 });
1106
1107 return dateImgLst;
1108 }
1109
1110 private GpxDataWrapper selectedGPX(boolean complain) {
1111 Object item = cbGpx.getSelectedItem();
1112
1113 if (item == null || ((GpxDataWrapper) item).file == null) {
1114 if (complain) {
1115 JOptionPane.showMessageDialog(Main.parent, tr("You should select a GPX track"),
1116 tr("No selected GPX track"), JOptionPane.ERROR_MESSAGE );
1117 }
1118 return null;
1119 }
1120 return (GpxDataWrapper) item;
1121 }
1122
1123 /**
1124 * Match a list of photos to a gpx track with a given offset.
1125 * All images need a exifTime attribute and the List must be sorted according to these times.
1126 */
1127 private int matchGpxTrack(List<ImageEntry> images, GpxData selectedGpx, long offset) {
1128 int ret = 0;
1129
1130 PrimaryDateParser dateParser = new PrimaryDateParser();
1131
1132 for (GpxTrack trk : selectedGpx.tracks) {
1133 for (GpxTrackSegment segment : trk.getSegments()) {
1134
1135 long prevWpTime = 0;
1136 WayPoint prevWp = null;
1137
1138 for (WayPoint curWp : segment.getWayPoints()) {
1139
1140 String curWpTimeStr = curWp.getString(GpxConstants.PT_TIME);
1141 if (curWpTimeStr != null) {
1142
1143 try {
1144 long curWpTime = dateParser.parse(curWpTimeStr).getTime() + offset;
1145 ret += matchPoints(images, prevWp, prevWpTime, curWp, curWpTime, offset);
1146
1147 prevWp = curWp;
1148 prevWpTime = curWpTime;
1149
1150 } catch(ParseException e) {
1151 Main.error("Error while parsing date \"" + curWpTimeStr + '"');
1152 Main.error(e);
1153 prevWp = null;
1154 prevWpTime = 0;
1155 }
1156 } else {
1157 prevWp = null;
1158 prevWpTime = 0;
1159 }
1160 }
1161 }
1162 }
1163 return ret;
1164 }
1165
1166 private static Double getElevation(WayPoint wp) {
1167 String value = wp.getString(GpxConstants.PT_ELE);
1168 if (value != null) {
1169 try {
1170 return new Double(value);
1171 } catch (NumberFormatException e) {
1172 Main.warn(e);
1173 }
1174 }
1175 return null;
1176 }
1177
1178 private int matchPoints(List<ImageEntry> images, WayPoint prevWp, long prevWpTime,
1179 WayPoint curWp, long curWpTime, long offset) {
1180 // Time between the track point and the previous one, 5 sec if first point, i.e. photos take
1181 // 5 sec before the first track point can be assumed to be take at the starting position
1182 long interval = prevWpTime > 0 ? (Math.abs(curWpTime - prevWpTime)) : 5*1000;
1183 int ret = 0;
1184
1185 // i is the index of the timewise last photo that has the same or earlier EXIF time
1186 int i = getLastIndexOfListBefore(images, curWpTime);
1187
1188 // no photos match
1189 if (i < 0)
1190 return 0;
1191
1192 Double speed = null;
1193 Double prevElevation = null;
1194
1195 if (prevWp != null) {
1196 double distance = prevWp.getCoor().greatCircleDistance(curWp.getCoor());
1197 // This is in km/h, 3.6 * m/s
1198 if (curWpTime > prevWpTime) {
1199 speed = 3600 * distance / (curWpTime - prevWpTime);
1200 }
1201 prevElevation = getElevation(prevWp);
1202 }
1203
1204 Double curElevation = getElevation(curWp);
1205
1206 // First trackpoint, then interval is set to five seconds, i.e. photos up to five seconds
1207 // before the first point will be geotagged with the starting point
1208 if (prevWpTime == 0 || curWpTime <= prevWpTime) {
1209 while (true) {
1210 if (i < 0) {
1211 break;
1212 }
1213 final ImageEntry curImg = images.get(i);
1214 long time = curImg.getExifTime().getTime();
1215 if (time > curWpTime || time < curWpTime - interval) {
1216 break;
1217 }
1218 if (curImg.tmp.getPos() == null) {
1219 curImg.tmp.setPos(curWp.getCoor());
1220 curImg.tmp.setSpeed(speed);
1221 curImg.tmp.setElevation(curElevation);
1222 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1223 curImg.flagNewGpsData();
1224 ret++;
1225 }
1226 i--;
1227 }
1228 return ret;
1229 }
1230
1231 // This code gives a simple linear interpolation of the coordinates between current and
1232 // previous track point assuming a constant speed in between
1233 while (true) {
1234 if (i < 0) {
1235 break;
1236 }
1237 ImageEntry curImg = images.get(i);
1238 long imgTime = curImg.getExifTime().getTime();
1239 if (imgTime < prevWpTime) {
1240 break;
1241 }
1242
1243 if (curImg.tmp.getPos() == null && prevWp != null) {
1244 // The values of timeDiff are between 0 and 1, it is not seconds but a dimensionless variable
1245 double timeDiff = (double)(imgTime - prevWpTime) / interval;
1246 curImg.tmp.setPos(prevWp.getCoor().interpolate(curWp.getCoor(), timeDiff));
1247 curImg.tmp.setSpeed(speed);
1248 if (curElevation != null && prevElevation != null) {
1249 curImg.tmp.setElevation(prevElevation + (curElevation - prevElevation) * timeDiff);
1250 }
1251 curImg.tmp.setGpsTime(new Date(curImg.getExifTime().getTime() - offset));
1252 curImg.flagNewGpsData();
1253
1254 ret++;
1255 }
1256 i--;
1257 }
1258 return ret;
1259 }
1260
1261 private int getLastIndexOfListBefore(List<ImageEntry> images, long searchedTime) {
1262 int lstSize= images.size();
1263
1264 // No photos or the first photo taken is later than the search period
1265 if(lstSize == 0 || searchedTime < images.get(0).getExifTime().getTime())
1266 return -1;
1267
1268 // The search period is later than the last photo
1269 if (searchedTime > images.get(lstSize - 1).getExifTime().getTime())
1270 return lstSize-1;
1271
1272 // The searched index is somewhere in the middle, do a binary search from the beginning
1273 int curIndex= 0;
1274 int startIndex= 0;
1275 int endIndex= lstSize-1;
1276 while (endIndex - startIndex > 1) {
1277 curIndex= (endIndex + startIndex) / 2;
1278 if (searchedTime > images.get(curIndex).getExifTime().getTime()) {
1279 startIndex= curIndex;
1280 } else {
1281 endIndex= curIndex;
1282 }
1283 }
1284 if (searchedTime < images.get(endIndex).getExifTime().getTime())
1285 return startIndex;
1286
1287 // This final loop is to check if photos with the exact same EXIF time follows
1288 while ((endIndex < (lstSize-1)) && (images.get(endIndex).getExifTime().getTime()
1289 == images.get(endIndex + 1).getExifTime().getTime())) {
1290 endIndex++;
1291 }
1292 return endIndex;
1293 }
1294
1295 private String formatTimezone(double timezone) {
1296 StringBuilder ret = new StringBuilder();
1297
1298 if (timezone < 0) {
1299 ret.append('-');
1300 timezone = -timezone;
1301 } else {
1302 ret.append('+');
1303 }
1304 ret.append((long) timezone).append(':');
1305 int minutes = (int) ((timezone % 1) * 60);
1306 if (minutes < 10) {
1307 ret.append('0');
1308 }
1309 ret.append(minutes);
1310
1311 return ret.toString();
1312 }
1313
1314 private double parseTimezone(String timezone) throws ParseException {
1315
1316 String error = tr("Error while parsing timezone.\nExpected format: {0}", "+H:MM");
1317
1318 if (timezone.length() == 0)
1319 return 0;
1320
1321 char sgnTimezone = '+';
1322 StringBuilder hTimezone = new StringBuilder();
1323 StringBuilder mTimezone = new StringBuilder();
1324 int state = 1; // 1=start/sign, 2=hours, 3=minutes.
1325 for (int i = 0; i < timezone.length(); i++) {
1326 char c = timezone.charAt(i);
1327 switch (c) {
1328 case ' ' :
1329 if (state != 2 || hTimezone.length() != 0)
1330 throw new ParseException(error,0);
1331 break;
1332 case '+' :
1333 case '-' :
1334 if (state == 1) {
1335 sgnTimezone = c;
1336 state = 2;
1337 } else
1338 throw new ParseException(error,0);
1339 break;
1340 case ':' :
1341 case '.' :
1342 if (state == 2) {
1343 state = 3;
1344 } else
1345 throw new ParseException(error,0);
1346 break;
1347 case '0' : case '1' : case '2' : case '3' : case '4' :
1348 case '5' : case '6' : case '7' : case '8' : case '9' :
1349 switch(state) {
1350 case 1 :
1351 case 2 :
1352 state = 2;
1353 hTimezone.append(c);
1354 break;
1355 case 3 :
1356 mTimezone.append(c);
1357 break;
1358 default :
1359 throw new ParseException(error,0);
1360 }
1361 break;
1362 default :
1363 throw new ParseException(error,0);
1364 }
1365 }
1366
1367 int h = 0;
1368 int m = 0;
1369 try {
1370 h = Integer.parseInt(hTimezone.toString());
1371 if (mTimezone.length() > 0) {
1372 m = Integer.parseInt(mTimezone.toString());
1373 }
1374 } catch (NumberFormatException nfe) {
1375 // Invalid timezone
1376 throw new ParseException(error,0);
1377 }
1378
1379 if (h > 12 || m > 59 )
1380 throw new ParseException(error,0);
1381 else
1382 return (h + m / 60.0) * (sgnTimezone == '-' ? -1 : 1);
1383 }
1384
1385 private long parseOffset(String offset) throws ParseException {
1386 String error = tr("Error while parsing offset.\nExpected format: {0}", "number");
1387
1388 if (offset.length() > 0) {
1389 try {
1390 if(offset.startsWith("+")) {
1391 offset = offset.substring(1);
1392 }
1393 return Long.parseLong(offset);
1394 } catch(NumberFormatException nfe) {
1395 throw new ParseException(error,0);
1396 }
1397 } else
1398 return 0;
1399 }
1400}
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