001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.layer.geoimage;
003
004import static org.openstreetmap.josm.tools.I18n.tr;
005import static org.openstreetmap.josm.tools.I18n.trn;
006
007import java.awt.BorderLayout;
008import java.awt.Component;
009import java.awt.Cursor;
010import java.awt.Dimension;
011import java.awt.FlowLayout;
012import java.awt.GraphicsEnvironment;
013import java.awt.GridBagConstraints;
014import java.awt.GridBagLayout;
015import java.awt.event.ActionEvent;
016import java.awt.event.ActionListener;
017import java.awt.event.FocusEvent;
018import java.awt.event.FocusListener;
019import java.awt.event.ItemEvent;
020import java.awt.event.ItemListener;
021import java.awt.event.WindowAdapter;
022import java.awt.event.WindowEvent;
023import java.io.File;
024import java.io.IOException;
025import java.io.InputStream;
026import java.text.DateFormat;
027import java.text.ParseException;
028import java.text.SimpleDateFormat;
029import java.util.ArrayList;
030import java.util.Arrays;
031import java.util.Collections;
032import java.util.Comparator;
033import java.util.Date;
034import java.util.Dictionary;
035import java.util.Hashtable;
036import java.util.List;
037import java.util.Objects;
038import java.util.TimeZone;
039import java.util.concurrent.TimeUnit;
040
041import javax.swing.AbstractAction;
042import javax.swing.AbstractListModel;
043import javax.swing.BorderFactory;
044import javax.swing.JButton;
045import javax.swing.JCheckBox;
046import javax.swing.JComponent;
047import javax.swing.JFileChooser;
048import javax.swing.JLabel;
049import javax.swing.JList;
050import javax.swing.JOptionPane;
051import javax.swing.JPanel;
052import javax.swing.JScrollPane;
053import javax.swing.JSeparator;
054import javax.swing.JSlider;
055import javax.swing.JSpinner;
056import javax.swing.ListSelectionModel;
057import javax.swing.MutableComboBoxModel;
058import javax.swing.SpinnerNumberModel;
059import javax.swing.SwingConstants;
060import javax.swing.border.Border;
061import javax.swing.event.ChangeEvent;
062import javax.swing.event.ChangeListener;
063import javax.swing.event.DocumentEvent;
064import javax.swing.event.DocumentListener;
065
066import org.openstreetmap.josm.actions.DiskAccessAction;
067import org.openstreetmap.josm.actions.ExtensionFileFilter;
068import org.openstreetmap.josm.data.gpx.GpxData;
069import org.openstreetmap.josm.data.gpx.GpxImageCorrelation;
070import org.openstreetmap.josm.data.gpx.GpxTimeOffset;
071import org.openstreetmap.josm.data.gpx.GpxTimezone;
072import org.openstreetmap.josm.data.gpx.GpxTrack;
073import org.openstreetmap.josm.data.gpx.GpxTrackSegment;
074import org.openstreetmap.josm.data.gpx.WayPoint;
075import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
076import org.openstreetmap.josm.gui.ExtendedDialog;
077import org.openstreetmap.josm.gui.MainApplication;
078import org.openstreetmap.josm.gui.io.importexport.GpxImporter;
079import org.openstreetmap.josm.gui.io.importexport.JpgImporter;
080import org.openstreetmap.josm.gui.io.importexport.NMEAImporter;
081import org.openstreetmap.josm.gui.layer.GpxLayer;
082import org.openstreetmap.josm.gui.layer.Layer;
083import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
084import org.openstreetmap.josm.gui.layer.LayerManager.LayerChangeListener;
085import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent;
086import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent;
087import org.openstreetmap.josm.gui.widgets.AbstractFileChooser;
088import org.openstreetmap.josm.gui.widgets.FileChooserManager;
089import org.openstreetmap.josm.gui.widgets.JosmComboBox;
090import org.openstreetmap.josm.gui.widgets.JosmTextField;
091import org.openstreetmap.josm.io.Compression;
092import org.openstreetmap.josm.io.GpxReader;
093import org.openstreetmap.josm.io.IGpxReader;
094import org.openstreetmap.josm.io.nmea.NmeaReader;
095import org.openstreetmap.josm.spi.preferences.Config;
096import org.openstreetmap.josm.spi.preferences.IPreferences;
097import org.openstreetmap.josm.tools.GBC;
098import org.openstreetmap.josm.tools.ImageProvider;
099import org.openstreetmap.josm.tools.JosmRuntimeException;
100import org.openstreetmap.josm.tools.Logging;
101import org.openstreetmap.josm.tools.Pair;
102import org.openstreetmap.josm.tools.date.DateUtils;
103import org.xml.sax.SAXException;
104
105/**
106 * This class displays the window to select the GPX file and the offset (timezone + delta).
107 * Then it correlates the images of the layer with that GPX file.
108 * @since 2566
109 */
110public class CorrelateGpxWithImages extends AbstractAction {
111
112    private static final List<GpxData> loadedGpxData = new ArrayList<>();
113
114    private final transient GeoImageLayer yLayer;
115    private transient GpxTimezone timezone;
116    private transient GpxTimeOffset delta;
117    private static boolean forceTags;
118
119    /**
120     * Constructs a new {@code CorrelateGpxWithImages} action.
121     * @param layer The image layer
122     */
123    public CorrelateGpxWithImages(GeoImageLayer layer) {
124        super(tr("Correlate to GPX"));
125        new ImageProvider("dialogs/geoimage/gpx2img").getResource().attachImageIcon(this, true);
126        this.yLayer = layer;
127        MainApplication.getLayerManager().addLayerChangeListener(new GpxLayerAddedListener());
128    }
129
130    private final class SyncDialogWindowListener extends WindowAdapter {
131        private static final int CANCEL = -1;
132        private static final int DONE = 0;
133        private static final int AGAIN = 1;
134        private static final int NOTHING = 2;
135
136        private int checkAndSave() {
137            if (syncDialog.isVisible())
138                // nothing happened: JOSM was minimized or similar
139                return NOTHING;
140            int answer = syncDialog.getValue();
141            if (answer != 1)
142                return CANCEL;
143
144            // Parse values again, to display an error if the format is not recognized
145            try {
146                timezone = GpxTimezone.parseTimezone(tfTimezone.getText().trim());
147            } catch (ParseException e) {
148                JOptionPane.showMessageDialog(MainApplication.getMainFrame(), e.getMessage(),
149                        tr("Invalid timezone"), JOptionPane.ERROR_MESSAGE);
150                return AGAIN;
151            }
152
153            try {
154                delta = GpxTimeOffset.parseOffset(tfOffset.getText().trim());
155            } catch (ParseException e) {
156                JOptionPane.showMessageDialog(MainApplication.getMainFrame(), e.getMessage(),
157                        tr("Invalid offset"), JOptionPane.ERROR_MESSAGE);
158                return AGAIN;
159            }
160
161            if (lastNumMatched == 0 && new ExtendedDialog(
162                        MainApplication.getMainFrame(),
163                        tr("Correlate images with GPX track"),
164                        tr("OK"), tr("Try Again")).
165                        setContent(tr("No images could be matched!")).
166                        setButtonIcons("ok", "dialogs/refresh").
167                        showDialog().getValue() == 2)
168                return AGAIN;
169            return DONE;
170        }
171
172        @Override
173        public void windowDeactivated(WindowEvent e) {
174            int result = checkAndSave();
175            switch (result) {
176            case NOTHING:
177                break;
178            case CANCEL:
179                if (yLayer != null) {
180                    for (ImageEntry ie : yLayer.getImageData().getImages()) {
181                        ie.discardTmp();
182                    }
183                    yLayer.updateBufferAndRepaint();
184                }
185                break;
186            case AGAIN:
187                actionPerformed(null);
188                break;
189            case DONE:
190                Config.getPref().put("geoimage.timezone", timezone.formatTimezone());
191                Config.getPref().put("geoimage.delta", delta.formatOffset());
192                Config.getPref().putBoolean("geoimage.showThumbs", yLayer.useThumbs);
193
194                yLayer.useThumbs = cbShowThumbs.isSelected();
195                yLayer.startLoadThumbs();
196
197                // Search whether an other layer has yet defined some bounding box.
198                // If none, we'll zoom to the bounding box of the layer with the photos.
199                boolean boundingBoxedLayerFound = false;
200                for (Layer l: MainApplication.getLayerManager().getLayers()) {
201                    if (l != yLayer) {
202                        BoundingXYVisitor bbox = new BoundingXYVisitor();
203                        l.visitBoundingBox(bbox);
204                        if (bbox.getBounds() != null) {
205                            boundingBoxedLayerFound = true;
206                            break;
207                        }
208                    }
209                }
210                if (!boundingBoxedLayerFound) {
211                    BoundingXYVisitor bbox = new BoundingXYVisitor();
212                    yLayer.visitBoundingBox(bbox);
213                    MainApplication.getMap().mapView.zoomTo(bbox);
214                }
215
216                for (ImageEntry ie : yLayer.getImageData().getImages()) {
217                    ie.applyTmp();
218                }
219
220                yLayer.updateBufferAndRepaint();
221
222                break;
223            default:
224                throw new IllegalStateException();
225            }
226        }
227    }
228
229    private static class GpxDataWrapper {
230        private final String name;
231        private final GpxData data;
232        private final File file;
233
234        GpxDataWrapper(String name, GpxData data, File file) {
235            this.name = name;
236            this.data = data;
237            this.file = file;
238        }
239
240        @Override
241        public String toString() {
242            return name;
243        }
244    }
245
246    private ExtendedDialog syncDialog;
247    private final transient List<GpxDataWrapper> gpxLst = new ArrayList<>();
248    private JPanel outerPanel;
249    private JosmComboBox<GpxDataWrapper> cbGpx;
250    private JosmTextField tfTimezone;
251    private JosmTextField tfOffset;
252    private JCheckBox cbExifImg;
253    private JCheckBox cbTaggedImg;
254    private JCheckBox cbShowThumbs;
255    private JLabel statusBarText;
256
257    // remember the last number of matched photos
258    private int lastNumMatched;
259
260    /** This class is called when the user doesn't find the GPX file he needs in the files that have
261     * been loaded yet. It displays a FileChooser dialog to select the GPX file to be loaded.
262     */
263    private class LoadGpxDataActionListener implements ActionListener {
264
265        @Override
266        public void actionPerformed(ActionEvent e) {
267            ExtensionFileFilter gpxFilter = GpxImporter.getFileFilter();
268            AbstractFileChooser fc = new FileChooserManager(true, null).createFileChooser(false, null,
269                    Arrays.asList(gpxFilter, NMEAImporter.FILE_FILTER), gpxFilter, JFileChooser.FILES_ONLY).openFileChooser();
270            if (fc == null)
271                return;
272            File sel = fc.getSelectedFile();
273
274            try {
275                outerPanel.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
276
277                for (int i = gpxLst.size() - 1; i >= 0; i--) {
278                    GpxDataWrapper wrapper = gpxLst.get(i);
279                    if (sel.equals(wrapper.file)) {
280                        cbGpx.setSelectedIndex(i);
281                        if (!sel.getName().equals(wrapper.name)) {
282                            JOptionPane.showMessageDialog(
283                                    MainApplication.getMainFrame(),
284                                    tr("File {0} is loaded yet under the name \"{1}\"", sel.getName(), wrapper.name),
285                                    tr("Error"),
286                                    JOptionPane.ERROR_MESSAGE
287                            );
288                        }
289                        return;
290                    }
291                }
292                GpxData data = null;
293                try (InputStream iStream = Compression.getUncompressedFileInputStream(sel)) {
294                    IGpxReader reader = gpxFilter.accept(sel) ? new GpxReader(iStream) : new NmeaReader(iStream);
295                    reader.parse(false);
296                    data = reader.getGpxData();
297                    data.storageFile = sel;
298
299                } catch (SAXException ex) {
300                    Logging.error(ex);
301                    JOptionPane.showMessageDialog(
302                            MainApplication.getMainFrame(),
303                            tr("Error while parsing {0}", sel.getName())+": "+ex.getMessage(),
304                            tr("Error"),
305                            JOptionPane.ERROR_MESSAGE
306                    );
307                    return;
308                } catch (IOException ex) {
309                    Logging.error(ex);
310                    JOptionPane.showMessageDialog(
311                            MainApplication.getMainFrame(),
312                            tr("Could not read \"{0}\"", sel.getName())+'\n'+ex.getMessage(),
313                            tr("Error"),
314                            JOptionPane.ERROR_MESSAGE
315                    );
316                    return;
317                }
318
319                MutableComboBoxModel<GpxDataWrapper> model = (MutableComboBoxModel<GpxDataWrapper>) cbGpx.getModel();
320                loadedGpxData.add(data);
321                if (gpxLst.get(0).file == null) {
322                    gpxLst.remove(0);
323                    model.removeElementAt(0);
324                }
325                GpxDataWrapper elem = new GpxDataWrapper(sel.getName(), data, sel);
326                gpxLst.add(elem);
327                model.addElement(elem);
328                cbGpx.setSelectedIndex(cbGpx.getItemCount() - 1);
329            } finally {
330                outerPanel.setCursor(Cursor.getDefaultCursor());
331            }
332        }
333    }
334
335    private class AdvancedSettingsActionListener implements ActionListener {
336
337        private class CheckBoxActionListener implements ActionListener {
338            private final JComponent[] comps;
339
340            CheckBoxActionListener(JComponent... c) {
341                comps = Objects.requireNonNull(c);
342            }
343
344            @Override
345            public void actionPerformed(ActionEvent e) {
346                setEnabled((JCheckBox) e.getSource());
347            }
348
349            public void setEnabled(JCheckBox cb) {
350                for (JComponent comp : comps) {
351                    if (comp instanceof JSpinner) {
352                        comp.setEnabled(cb.isSelected());
353                    } else if (comp instanceof JPanel) {
354                        boolean en = cb.isSelected();
355                        for (Component c : comp.getComponents()) {
356                            if (c instanceof JSpinner) {
357                                c.setEnabled(en);
358                            } else {
359                                c.setEnabled(cb.isSelected());
360                                if (en && c instanceof JCheckBox) {
361                                    en = ((JCheckBox) c).isSelected();
362                                }
363                            }
364                        }
365                    }
366                }
367            }
368        }
369
370        private void addCheckBoxActionListener(JCheckBox cb, JComponent... c) {
371            CheckBoxActionListener listener = new CheckBoxActionListener(c);
372            cb.addActionListener(listener);
373            listener.setEnabled(cb);
374        }
375
376        @Override
377        public void actionPerformed(ActionEvent e) {
378
379            IPreferences s = Config.getPref();
380            JPanel p = new JPanel(new GridBagLayout());
381
382            Border border1 = BorderFactory.createEmptyBorder(0, 20, 0, 0);
383            Border border2 = BorderFactory.createEmptyBorder(10, 0, 5, 0);
384            Border border = BorderFactory.createEmptyBorder(0, 40, 0, 0);
385            FlowLayout layout = new FlowLayout();
386
387            JLabel l = new JLabel(tr("Segment settings"));
388            l.setBorder(BorderFactory.createEmptyBorder(5, 0, 5, 0));
389            p.add(l, GBC.eol());
390            JCheckBox cInterpolSeg = new JCheckBox(tr("Interpolate between segments"), s.getBoolean("geoimage.seg.int", true));
391            cInterpolSeg.setBorder(border1);
392            p.add(cInterpolSeg, GBC.eol());
393
394            JCheckBox cInterpolSegTime = new JCheckBox(tr("only when the segments are less than # minutes apart:"),
395                    s.getBoolean("geoimage.seg.int.time", true));
396            JSpinner sInterpolSegTime = new JSpinner(
397                    new SpinnerNumberModel(s.getInt("geoimage.seg.int.time.val", 60), 0, Integer.MAX_VALUE, 1));
398            ((JSpinner.DefaultEditor) sInterpolSegTime.getEditor()).getTextField().setColumns(3);
399            JPanel pInterpolSegTime = new JPanel(layout);
400            pInterpolSegTime.add(cInterpolSegTime);
401            pInterpolSegTime.add(sInterpolSegTime);
402            pInterpolSegTime.setBorder(border);
403            p.add(pInterpolSegTime, GBC.eol());
404
405            JCheckBox cInterpolSegDist = new JCheckBox(tr("only when the segments are less than # meters apart:"),
406                    s.getBoolean("geoimage.seg.int.dist", true));
407            JSpinner sInterpolSegDist = new JSpinner(
408                    new SpinnerNumberModel(s.getInt("geoimage.seg.int.dist.val", 50), 0, Integer.MAX_VALUE, 1));
409            ((JSpinner.DefaultEditor) sInterpolSegDist.getEditor()).getTextField().setColumns(3);
410            JPanel pInterpolSegDist = new JPanel(layout);
411            pInterpolSegDist.add(cInterpolSegDist);
412            pInterpolSegDist.add(sInterpolSegDist);
413            pInterpolSegDist.setBorder(border);
414            p.add(pInterpolSegDist, GBC.eol());
415
416            JCheckBox cTagSeg = new JCheckBox(tr("Tag images at the closest end of a segment, when not interpolated"),
417                    s.getBoolean("geoimage.seg.tag", true));
418            cTagSeg.setBorder(border1);
419            p.add(cTagSeg, GBC.eol());
420
421            JCheckBox cTagSegTime = new JCheckBox(tr("only within # minutes of the closest trackpoint:"),
422                    s.getBoolean("geoimage.seg.tag.time", true));
423            JSpinner sTagSegTime = new JSpinner(
424                    new SpinnerNumberModel(s.getInt("geoimage.seg.tag.time.val", 2), 0, Integer.MAX_VALUE, 1));
425            ((JSpinner.DefaultEditor) sTagSegTime.getEditor()).getTextField().setColumns(3);
426            JPanel pTagSegTime = new JPanel(layout);
427            pTagSegTime.add(cTagSegTime);
428            pTagSegTime.add(sTagSegTime);
429            pTagSegTime.setBorder(border);
430            p.add(pTagSegTime, GBC.eol());
431
432            l = new JLabel(tr("Track settings (note that multiple tracks can be in one GPX file)"));
433            l.setBorder(border2);
434            p.add(l, GBC.eol());
435            JCheckBox cInterpolTrack = new JCheckBox(tr("Interpolate between tracks"), s.getBoolean("geoimage.trk.int", false));
436            cInterpolTrack.setBorder(border1);
437            p.add(cInterpolTrack, GBC.eol());
438
439            JCheckBox cInterpolTrackTime = new JCheckBox(tr("only when the tracks are less than # minutes apart:"),
440                    s.getBoolean("geoimage.trk.int.time", false));
441            JSpinner sInterpolTrackTime = new JSpinner(
442                    new SpinnerNumberModel(s.getInt("geoimage.trk.int.time.val", 60), 0, Integer.MAX_VALUE, 1));
443            ((JSpinner.DefaultEditor) sInterpolTrackTime.getEditor()).getTextField().setColumns(3);
444            JPanel pInterpolTrackTime = new JPanel(layout);
445            pInterpolTrackTime.add(cInterpolTrackTime);
446            pInterpolTrackTime.add(sInterpolTrackTime);
447            pInterpolTrackTime.setBorder(border);
448            p.add(pInterpolTrackTime, GBC.eol());
449
450            JCheckBox cInterpolTrackDist = new JCheckBox(tr("only when the tracks are less than # meters apart:"),
451                    s.getBoolean("geoimage.trk.int.dist", false));
452            JSpinner sInterpolTrackDist = new JSpinner(
453                    new SpinnerNumberModel(s.getInt("geoimage.trk.int.dist.val", 50), 0, Integer.MAX_VALUE, 1));
454            ((JSpinner.DefaultEditor) sInterpolTrackDist.getEditor()).getTextField().setColumns(3);
455            JPanel pInterpolTrackDist = new JPanel(layout);
456            pInterpolTrackDist.add(cInterpolTrackDist);
457            pInterpolTrackDist.add(sInterpolTrackDist);
458            pInterpolTrackDist.setBorder(border);
459            p.add(pInterpolTrackDist, GBC.eol());
460
461            JCheckBox cTagTrack = new JCheckBox("<html>" +
462                    tr("Tag images at the closest end of a track, when not interpolated<br>" +
463                    "(also applies before the first and after the last track)") + "</html>",
464                    s.getBoolean("geoimage.trk.tag", true));
465            cTagTrack.setBorder(border1);
466            p.add(cTagTrack, GBC.eol());
467
468            JCheckBox cTagTrackTime = new JCheckBox(tr("only within # minutes of the closest trackpoint:"),
469                    s.getBoolean("geoimage.trk.tag.time", true));
470            JSpinner sTagTrackTime = new JSpinner(
471                    new SpinnerNumberModel(s.getInt("geoimage.trk.tag.time.val", 2), 0, Integer.MAX_VALUE, 1));
472            ((JSpinner.DefaultEditor) sTagTrackTime.getEditor()).getTextField().setColumns(3);
473            JPanel pTagTrackTime = new JPanel(layout);
474            pTagTrackTime.add(cTagTrackTime);
475            pTagTrackTime.add(sTagTrackTime);
476            pTagTrackTime.setBorder(border);
477            p.add(pTagTrackTime, GBC.eol());
478
479            l = new JLabel(tr("Advanced"));
480            l.setBorder(border2);
481            p.add(l, GBC.eol());
482            JCheckBox cForce = new JCheckBox("<html>" +
483                    tr("Force tagging of all pictures (temporarily overrides the settings above).") + "<br>" +
484                    tr("This option will not be saved permanently.") + "</html>", forceTags);
485            cForce.setBorder(BorderFactory.createEmptyBorder(0, 20, 10, 0));
486            p.add(cForce, GBC.eol());
487
488            addCheckBoxActionListener(cInterpolSegTime, sInterpolSegTime);
489            addCheckBoxActionListener(cInterpolSegDist, sInterpolSegDist);
490            addCheckBoxActionListener(cInterpolSeg, pInterpolSegTime, pInterpolSegDist);
491
492            addCheckBoxActionListener(cTagSegTime, sTagSegTime);
493            addCheckBoxActionListener(cTagSeg, pTagSegTime);
494
495            addCheckBoxActionListener(cInterpolTrackTime, sInterpolTrackTime);
496            addCheckBoxActionListener(cInterpolTrackDist, sInterpolTrackDist);
497            addCheckBoxActionListener(cInterpolTrack, pInterpolTrackTime, pInterpolTrackDist);
498
499            addCheckBoxActionListener(cTagTrackTime, sTagTrackTime);
500            addCheckBoxActionListener(cTagTrack, pTagTrackTime);
501
502
503            ExtendedDialog ed = new ExtendedDialog(MainApplication.getMainFrame(), tr("Advanced settings"), tr("OK"), tr("Cancel"))
504                            .setButtonIcons("ok", "cancel").setContent(p);
505            if (ed.showDialog().getValue() == 1) {
506
507                s.putBoolean("geoimage.seg.int", cInterpolSeg.isSelected());
508                s.putBoolean("geoimage.seg.int.dist", cInterpolSegDist.isSelected());
509                s.putInt("geoimage.seg.int.dist.val", (int) sInterpolSegDist.getValue());
510                s.putBoolean("geoimage.seg.int.time", cInterpolSegTime.isSelected());
511                s.putInt("geoimage.seg.int.time.val", (int) sInterpolSegTime.getValue());
512                s.putBoolean("geoimage.seg.tag", cTagSeg.isSelected());
513                s.putBoolean("geoimage.seg.tag.time", cTagSegTime.isSelected());
514                s.putInt("geoimage.seg.tag.time.val", (int) sTagSegTime.getValue());
515
516                s.putBoolean("geoimage.trk.int", cInterpolTrack.isSelected());
517                s.putBoolean("geoimage.trk.int.dist", cInterpolTrackDist.isSelected());
518                s.putInt("geoimage.trk.int.dist.val", (int) sInterpolTrackDist.getValue());
519                s.putBoolean("geoimage.trk.int.time", cInterpolTrackTime.isSelected());
520                s.putInt("geoimage.trk.int.time.val", (int) sInterpolTrackTime.getValue());
521                s.putBoolean("geoimage.trk.tag", cTagTrack.isSelected());
522                s.putBoolean("geoimage.trk.tag.time", cTagTrackTime.isSelected());
523                s.putInt("geoimage.trk.tag.time.val", (int) sTagTrackTime.getValue());
524
525                forceTags = cForce.isSelected(); // This setting is not supposed to be saved permanently
526
527                statusBarUpdater.updateStatusBar();
528                yLayer.updateBufferAndRepaint();
529            }
530        }
531    }
532
533    /**
534     * This action listener is called when the user has a photo of the time of his GPS receiver. It
535     * displays the list of photos of the layer, and upon selection displays the selected photo.
536     * From that photo, the user can key in the time of the GPS.
537     * Then values of timezone and delta are set.
538     * @author chris
539     *
540     */
541    private class SetOffsetActionListener implements ActionListener {
542        JCheckBox ckDst;
543        ImageDisplay imgDisp;
544        JLabel lbExifTime;
545        JosmTextField tfGpsTime;
546
547        class TimeZoneItem implements Comparable<TimeZoneItem> {
548            private final TimeZone tz;
549            private String rawString;
550            private String dstString;
551
552            TimeZoneItem(TimeZone tz) {
553                this.tz = tz;
554            }
555
556            public String getFormattedString() {
557                if (ckDst.isSelected()) {
558                    return getDstString();
559                } else {
560                    return getRawString();
561                }
562            }
563
564            public String getDstString() {
565                if (dstString == null) {
566                    dstString = formatTimezone(tz.getRawOffset() + tz.getDSTSavings());
567                }
568                return dstString;
569            }
570
571            public String getRawString() {
572                if (rawString == null) {
573                    rawString = formatTimezone(tz.getRawOffset());
574                }
575                return rawString;
576            }
577
578            public String getID() {
579                return tz.getID();
580            }
581
582            @Override
583            public String toString() {
584                return getID() + " (" + getFormattedString() + ')';
585            }
586
587            @Override
588            public int compareTo(TimeZoneItem o) {
589                return getID().compareTo(o.getID());
590            }
591
592            private String formatTimezone(int offset) {
593                return new GpxTimezone((double) offset / TimeUnit.HOURS.toMillis(1)).formatTimezone();
594            }
595        }
596
597        @Override
598        public void actionPerformed(ActionEvent e) {
599            SimpleDateFormat dateFormat = (SimpleDateFormat) DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
600
601            JPanel panel = new JPanel(new BorderLayout());
602            panel.add(new JLabel(tr("<html>Take a photo of your GPS receiver while it displays the time.<br>"
603                    + "Display that photo here.<br>"
604                    + "And then, simply capture the time you read on the photo and select a timezone<hr></html>")),
605                    BorderLayout.NORTH);
606
607            imgDisp = new ImageDisplay();
608            imgDisp.setPreferredSize(new Dimension(300, 225));
609            panel.add(imgDisp, BorderLayout.CENTER);
610
611            JPanel panelTf = new JPanel(new GridBagLayout());
612
613            GridBagConstraints gc = new GridBagConstraints();
614            gc.gridx = gc.gridy = 0;
615            gc.gridwidth = gc.gridheight = 1;
616            gc.weightx = gc.weighty = 0.0;
617            gc.fill = GridBagConstraints.NONE;
618            gc.anchor = GridBagConstraints.WEST;
619            panelTf.add(new JLabel(tr("Photo time (from exif):")), gc);
620
621            lbExifTime = new JLabel();
622            gc.gridx = 1;
623            gc.weightx = 1.0;
624            gc.fill = GridBagConstraints.HORIZONTAL;
625            gc.gridwidth = 2;
626            panelTf.add(lbExifTime, gc);
627
628            gc.gridx = 0;
629            gc.gridy = 1;
630            gc.gridwidth = gc.gridheight = 1;
631            gc.weightx = gc.weighty = 0.0;
632            gc.fill = GridBagConstraints.NONE;
633            gc.anchor = GridBagConstraints.WEST;
634            panelTf.add(new JLabel(tr("Gps time (read from the above photo): ")), gc);
635
636            tfGpsTime = new JosmTextField(12);
637            tfGpsTime.setEnabled(false);
638            tfGpsTime.setMinimumSize(new Dimension(155, tfGpsTime.getMinimumSize().height));
639            gc.gridx = 1;
640            gc.weightx = 1.0;
641            gc.fill = GridBagConstraints.HORIZONTAL;
642            panelTf.add(tfGpsTime, gc);
643
644            gc.gridx = 2;
645            gc.weightx = 0.2;
646            panelTf.add(new JLabel(" ["+dateFormat.toLocalizedPattern()+']'), gc);
647
648            gc.gridx = 0;
649            gc.gridy = 2;
650            gc.gridwidth = gc.gridheight = 1;
651            gc.weightx = gc.weighty = 0.0;
652            gc.fill = GridBagConstraints.NONE;
653            gc.anchor = GridBagConstraints.WEST;
654            panelTf.add(new JLabel(tr("Photo taken in the timezone of: ")), gc);
655
656            ckDst = new JCheckBox(tr("Use daylight saving time (where applicable)"), Config.getPref().getBoolean("geoimage.timezoneid.dst"));
657
658            String[] tmp = TimeZone.getAvailableIDs();
659            List<TimeZoneItem> vtTimezones = new ArrayList<>(tmp.length);
660
661            String defTzStr = Config.getPref().get("geoimage.timezoneid", "");
662            if (defTzStr.isEmpty()) {
663                defTzStr = TimeZone.getDefault().getID();
664            }
665            TimeZoneItem defTzItem = null;
666
667            for (String tzStr : tmp) {
668                TimeZoneItem tz = new TimeZoneItem(TimeZone.getTimeZone(tzStr));
669                vtTimezones.add(tz);
670                if (defTzStr.equals(tzStr)) {
671                    defTzItem = tz;
672                }
673            }
674
675            Collections.sort(vtTimezones);
676
677            JosmComboBox<TimeZoneItem> cbTimezones = new JosmComboBox<>(vtTimezones.toArray(new TimeZoneItem[0]));
678
679            if (defTzItem != null) {
680                cbTimezones.setSelectedItem(defTzItem);
681            }
682
683            gc.gridx = 1;
684            gc.weightx = 1.0;
685            gc.gridwidth = 2;
686            gc.fill = GridBagConstraints.HORIZONTAL;
687            panelTf.add(cbTimezones, gc);
688
689            gc.gridy = 3;
690            panelTf.add(ckDst, gc);
691
692            ckDst.addActionListener(x -> cbTimezones.repaint());
693
694            panel.add(panelTf, BorderLayout.SOUTH);
695
696            JPanel panelLst = new JPanel(new BorderLayout());
697
698            JList<String> imgList = new JList<>(new AbstractListModel<String>() {
699                @Override
700                public String getElementAt(int i) {
701                    return yLayer.getImageData().getImages().get(i).getFile().getName();
702                }
703
704                @Override
705                public int getSize() {
706                    return yLayer.getImageData().getImages().size();
707                }
708            });
709            imgList.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
710            imgList.getSelectionModel().addListSelectionListener(evt -> {
711                int index = imgList.getSelectedIndex();
712                ImageEntry img = yLayer.getImageData().getImages().get(index);
713                updateExifComponents(img);
714            });
715            panelLst.add(new JScrollPane(imgList), BorderLayout.CENTER);
716
717            JButton openButton = new JButton(tr("Open another photo"));
718            openButton.addActionListener(ae -> {
719                AbstractFileChooser fc = DiskAccessAction.createAndOpenFileChooser(true, false, null,
720                        JpgImporter.FILE_FILTER_WITH_FOLDERS, JFileChooser.FILES_ONLY, "geoimage.lastdirectory");
721                if (fc == null)
722                    return;
723                ImageEntry entry = new ImageEntry(fc.getSelectedFile());
724                entry.extractExif();
725                updateExifComponents(entry);
726            });
727            panelLst.add(openButton, BorderLayout.PAGE_END);
728
729            panel.add(panelLst, BorderLayout.LINE_START);
730
731            boolean isOk = false;
732            while (!isOk) {
733                int answer = JOptionPane.showConfirmDialog(
734                        MainApplication.getMainFrame(), panel,
735                        tr("Synchronize time from a photo of the GPS receiver"),
736                        JOptionPane.OK_CANCEL_OPTION,
737                        JOptionPane.QUESTION_MESSAGE
738                );
739                if (answer == JOptionPane.CANCEL_OPTION)
740                    return;
741
742                long delta;
743
744                try {
745                    delta = dateFormat.parse(lbExifTime.getText()).getTime()
746                          - dateFormat.parse(tfGpsTime.getText()).getTime();
747                } catch (ParseException ex) {
748                    JOptionPane.showMessageDialog(MainApplication.getMainFrame(), tr("Error while parsing the date.\n"
749                            + "Please use the requested format"),
750                            tr("Invalid date"), JOptionPane.ERROR_MESSAGE);
751                    continue;
752                }
753
754                TimeZoneItem selectedTz = (TimeZoneItem) cbTimezones.getSelectedItem();
755
756                Config.getPref().put("geoimage.timezoneid", selectedTz.getID());
757                Config.getPref().putBoolean("geoimage.timezoneid.dst", ckDst.isSelected());
758                tfOffset.setText(GpxTimeOffset.milliseconds(delta).formatOffset());
759                tfTimezone.setText(selectedTz.getFormattedString());
760
761                isOk = true;
762
763            }
764            statusBarUpdater.updateStatusBar();
765            yLayer.updateBufferAndRepaint();
766        }
767
768        void updateExifComponents(ImageEntry img) {
769            imgDisp.setImage(img);
770            Date date = img.getExifTime();
771            if (date != null) {
772                DateFormat df = DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
773                df.setTimeZone(DateUtils.UTC); // EXIF data does not contain timezone information and is read as UTC
774                lbExifTime.setText(df.format(date));
775                tfGpsTime.setText(df.format(date));
776                tfGpsTime.setCaretPosition(tfGpsTime.getText().length());
777                tfGpsTime.setEnabled(true);
778                tfGpsTime.requestFocus();
779            } else {
780                lbExifTime.setText(tr("No date"));
781                tfGpsTime.setText("");
782                tfGpsTime.setEnabled(false);
783            }
784        }
785    }
786
787    private class GpxLayerAddedListener implements LayerChangeListener {
788        @Override
789        public void layerAdded(LayerAddEvent e) {
790            if (syncDialog != null && syncDialog.isVisible()) {
791                Layer layer = e.getAddedLayer();
792                if (layer instanceof GpxLayer) {
793                    GpxLayer gpx = (GpxLayer) layer;
794                    GpxDataWrapper gdw = new GpxDataWrapper(gpx.getName(), gpx.data, gpx.data.storageFile);
795                    gpxLst.add(gdw);
796                    MutableComboBoxModel<GpxDataWrapper> model = (MutableComboBoxModel<GpxDataWrapper>) cbGpx.getModel();
797                    if (gpxLst.get(0).file == null) {
798                        gpxLst.remove(0);
799                        model.removeElementAt(0);
800                    }
801                    model.addElement(gdw);
802                }
803            }
804        }
805
806        @Override
807        public void layerRemoving(LayerRemoveEvent e) {
808            // Not used
809        }
810
811        @Override
812        public void layerOrderChanged(LayerOrderChangeEvent e) {
813            // Not used
814        }
815    }
816
817    @Override
818    public void actionPerformed(ActionEvent ae) {
819        // Construct the list of loaded GPX tracks
820        gpxLst.clear();
821        GpxDataWrapper defaultItem = null;
822        for (GpxLayer cur : MainApplication.getLayerManager().getLayersOfType(GpxLayer.class)) {
823            GpxDataWrapper gdw = new GpxDataWrapper(cur.getName(), cur.data, cur.data.storageFile);
824            gpxLst.add(gdw);
825            if (cur == yLayer.gpxLayer) {
826                defaultItem = gdw;
827            }
828        }
829        for (GpxData data : loadedGpxData) {
830            gpxLst.add(new GpxDataWrapper(data.storageFile.getName(),
831                    data,
832                    data.storageFile));
833        }
834
835        if (gpxLst.isEmpty()) {
836            gpxLst.add(new GpxDataWrapper(tr("<No GPX track loaded yet>"), null, null));
837        }
838
839        JPanel panelCb = new JPanel();
840
841        panelCb.add(new JLabel(tr("GPX track: ")));
842
843        cbGpx = new JosmComboBox<>(gpxLst.toArray(new GpxDataWrapper[0]));
844        if (defaultItem != null) {
845            cbGpx.setSelectedItem(defaultItem);
846        } else {
847            // select first GPX track associated to a file
848            gpxLst.stream().filter(i -> i.file != null).findFirst().ifPresent(cbGpx::setSelectedItem);
849        }
850        cbGpx.addActionListener(statusBarUpdaterWithRepaint);
851        panelCb.add(cbGpx);
852
853        JButton buttonOpen = new JButton(tr("Open another GPX trace"));
854        buttonOpen.addActionListener(new LoadGpxDataActionListener());
855        panelCb.add(buttonOpen);
856
857        JPanel panelTf = new JPanel(new GridBagLayout());
858
859        try {
860            String tz = Config.getPref().get("geoimage.timezone");
861            if (!tz.isEmpty()) {
862                timezone = GpxTimezone.parseTimezone(tz);
863            } else {
864                timezone = new GpxTimezone(TimeUnit.MILLISECONDS.toMinutes(TimeZone.getDefault().getRawOffset()) / 60.); //hours is double
865            }
866        } catch (ParseException e) {
867            timezone = GpxTimezone.ZERO;
868            Logging.trace(e);
869        }
870
871        tfTimezone = new JosmTextField(10);
872        tfTimezone.setText(timezone.formatTimezone());
873
874        try {
875            delta = GpxTimeOffset.parseOffset(Config.getPref().get("geoimage.delta", "0"));
876        } catch (ParseException e) {
877            delta = GpxTimeOffset.ZERO;
878            Logging.trace(e);
879        }
880
881        tfOffset = new JosmTextField(10);
882        tfOffset.setText(delta.formatOffset());
883
884        JButton buttonViewGpsPhoto = new JButton(tr("<html>Use photo of an accurate clock,<br>e.g. GPS receiver display</html>"));
885        buttonViewGpsPhoto.setIcon(ImageProvider.get("clock"));
886        buttonViewGpsPhoto.addActionListener(new SetOffsetActionListener());
887
888        JButton buttonAutoGuess = new JButton(tr("Auto-Guess"));
889        buttonAutoGuess.setToolTipText(tr("Matches first photo with first gpx point"));
890        buttonAutoGuess.addActionListener(new AutoGuessActionListener());
891
892        JButton buttonAdjust = new JButton(tr("Manual adjust"));
893        buttonAdjust.addActionListener(new AdjustActionListener());
894
895        JButton buttonAdvanced = new JButton(tr("Advanced settings..."));
896        buttonAdvanced.addActionListener(new AdvancedSettingsActionListener());
897
898        JLabel labelPosition = new JLabel(tr("Override position for: "));
899
900        int numAll = getSortedImgList(true, true).size();
901        int numExif = numAll - getSortedImgList(false, true).size();
902        int numTagged = numAll - getSortedImgList(true, false).size();
903
904        cbExifImg = new JCheckBox(tr("Images with geo location in exif data ({0}/{1})", numExif, numAll));
905        cbExifImg.setEnabled(numExif != 0);
906
907        cbTaggedImg = new JCheckBox(tr("Images that are already tagged ({0}/{1})", numTagged, numAll), true);
908        cbTaggedImg.setEnabled(numTagged != 0);
909
910        labelPosition.setEnabled(cbExifImg.isEnabled() || cbTaggedImg.isEnabled());
911
912        boolean ticked = yLayer.thumbsLoaded || Config.getPref().getBoolean("geoimage.showThumbs", false);
913        cbShowThumbs = new JCheckBox(tr("Show Thumbnail images on the map"), ticked);
914        cbShowThumbs.setEnabled(!yLayer.thumbsLoaded);
915
916        int y = 0;
917        GBC gbc = GBC.eol();
918        gbc.gridx = 0;
919        gbc.gridy = y++;
920        panelTf.add(panelCb, gbc);
921
922        gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 0, 0, 12);
923        gbc.gridx = 0;
924        gbc.gridy = y++;
925        panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
926
927        gbc = GBC.std();
928        gbc.gridx = 0;
929        gbc.gridy = y;
930        panelTf.add(new JLabel(tr("Timezone: ")), gbc);
931
932        gbc = GBC.std().fill(GBC.HORIZONTAL);
933        gbc.gridx = 1;
934        gbc.gridy = y++;
935        gbc.weightx = 1.;
936        panelTf.add(tfTimezone, gbc);
937
938        gbc = GBC.std();
939        gbc.gridx = 0;
940        gbc.gridy = y;
941        panelTf.add(new JLabel(tr("Offset:")), gbc);
942
943        gbc = GBC.std().fill(GBC.HORIZONTAL);
944        gbc.gridx = 1;
945        gbc.gridy = y++;
946        gbc.weightx = 1.;
947        panelTf.add(tfOffset, gbc);
948
949        gbc = GBC.std().insets(5, 5, 5, 5);
950        gbc.gridx = 2;
951        gbc.gridy = y-2;
952        gbc.gridheight = 2;
953        gbc.gridwidth = 2;
954        gbc.fill = GridBagConstraints.BOTH;
955        gbc.weightx = 0.5;
956        panelTf.add(buttonViewGpsPhoto, gbc);
957
958        gbc = GBC.std().fill(GBC.BOTH).insets(5, 5, 5, 5);
959        gbc.gridx = 1;
960        gbc.gridy = y++;
961        gbc.weightx = 0.5;
962        panelTf.add(buttonAdvanced, gbc);
963
964        gbc.gridx = 2;
965        panelTf.add(buttonAutoGuess, gbc);
966
967        gbc.gridx = 3;
968        panelTf.add(buttonAdjust, gbc);
969
970        gbc = GBC.eol().fill(GBC.HORIZONTAL).insets(0, 12, 0, 0);
971        gbc.gridx = 0;
972        gbc.gridy = y++;
973        panelTf.add(new JSeparator(SwingConstants.HORIZONTAL), gbc);
974
975        gbc = GBC.eol();
976        gbc.gridx = 0;
977        gbc.gridy = y++;
978        panelTf.add(labelPosition, gbc);
979
980        gbc = GBC.eol();
981        gbc.gridx = 1;
982        gbc.gridy = y++;
983        panelTf.add(cbExifImg, gbc);
984
985        gbc = GBC.eol();
986        gbc.gridx = 1;
987        gbc.gridy = y++;
988        panelTf.add(cbTaggedImg, gbc);
989
990        gbc = GBC.eol();
991        gbc.gridx = 0;
992        gbc.gridy = y;
993        panelTf.add(cbShowThumbs, gbc);
994
995        final JPanel statusBar = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
996        statusBar.setBorder(BorderFactory.createLoweredBevelBorder());
997        statusBarText = new JLabel(" ");
998        statusBarText.setFont(statusBarText.getFont().deriveFont(8));
999        statusBar.add(statusBarText);
1000
1001        tfTimezone.addFocusListener(repaintTheMap);
1002        tfOffset.addFocusListener(repaintTheMap);
1003
1004        tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1005        tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1006        cbExifImg.addItemListener(statusBarUpdaterWithRepaint);
1007        cbTaggedImg.addItemListener(statusBarUpdaterWithRepaint);
1008
1009        statusBarUpdater.updateStatusBar();
1010        yLayer.updateBufferAndRepaint();
1011
1012        outerPanel = new JPanel(new BorderLayout());
1013        outerPanel.add(statusBar, BorderLayout.PAGE_END);
1014
1015        if (!GraphicsEnvironment.isHeadless()) {
1016            syncDialog = new ExtendedDialog(
1017                    MainApplication.getMainFrame(),
1018                    tr("Correlate images with GPX track"),
1019                    new String[] {tr("Correlate"), tr("Cancel")},
1020                    false
1021            );
1022            syncDialog.setContent(panelTf, false);
1023            syncDialog.setButtonIcons("ok", "cancel");
1024            syncDialog.setupDialog();
1025            outerPanel.add(syncDialog.getContentPane(), BorderLayout.PAGE_START);
1026            syncDialog.setContentPane(outerPanel);
1027            syncDialog.pack();
1028            syncDialog.addWindowListener(new SyncDialogWindowListener());
1029            syncDialog.showDialog();
1030        }
1031    }
1032
1033    private final transient StatusBarUpdater statusBarUpdater = new StatusBarUpdater(false);
1034    private final transient StatusBarUpdater statusBarUpdaterWithRepaint = new StatusBarUpdater(true);
1035
1036    private class StatusBarUpdater implements DocumentListener, ItemListener, ActionListener {
1037        private final boolean doRepaint;
1038
1039        StatusBarUpdater(boolean doRepaint) {
1040            this.doRepaint = doRepaint;
1041        }
1042
1043        @Override
1044        public void insertUpdate(DocumentEvent ev) {
1045            updateStatusBar();
1046        }
1047
1048        @Override
1049        public void removeUpdate(DocumentEvent ev) {
1050            updateStatusBar();
1051        }
1052
1053        @Override
1054        public void changedUpdate(DocumentEvent ev) {
1055            // Do nothing
1056        }
1057
1058        @Override
1059        public void itemStateChanged(ItemEvent e) {
1060            updateStatusBar();
1061        }
1062
1063        @Override
1064        public void actionPerformed(ActionEvent e) {
1065            updateStatusBar();
1066        }
1067
1068        public void updateStatusBar() {
1069            statusBarText.setText(statusText());
1070            if (doRepaint) {
1071                yLayer.updateBufferAndRepaint();
1072            }
1073        }
1074
1075        private String statusText() {
1076            try {
1077                timezone = GpxTimezone.parseTimezone(tfTimezone.getText().trim());
1078                delta = GpxTimeOffset.parseOffset(tfOffset.getText().trim());
1079            } catch (ParseException e) {
1080                return e.getMessage();
1081            }
1082
1083            // The selection of images we are about to correlate may have changed.
1084            // So reset all images.
1085            for (ImageEntry ie: yLayer.getImageData().getImages()) {
1086                ie.discardTmp();
1087            }
1088
1089            // Construct a list of images that have a date, and sort them on the date.
1090            List<ImageEntry> dateImgLst = getSortedImgList();
1091            // Create a temporary copy for each image
1092            for (ImageEntry ie : dateImgLst) {
1093                ie.createTmp();
1094                ie.getTmp().setPos(null);
1095            }
1096
1097            GpxDataWrapper selGpx = selectedGPX(false);
1098            if (selGpx == null)
1099                return tr("No gpx selected");
1100
1101            final long offsetMs = ((long) (timezone.getHours() * TimeUnit.HOURS.toMillis(1))) + delta.getMilliseconds(); // in milliseconds
1102            lastNumMatched = GpxImageCorrelation.matchGpxTrack(dateImgLst, selGpx.data, offsetMs, forceTags);
1103
1104            return trn("<html>Matched <b>{0}</b> of <b>{1}</b> photo to GPX track.</html>",
1105                    "<html>Matched <b>{0}</b> of <b>{1}</b> photos to GPX track.</html>",
1106                    dateImgLst.size(), lastNumMatched, dateImgLst.size());
1107        }
1108    }
1109
1110    private final transient RepaintTheMapListener repaintTheMap = new RepaintTheMapListener();
1111
1112    private class RepaintTheMapListener implements FocusListener {
1113        @Override
1114        public void focusGained(FocusEvent e) { // do nothing
1115        }
1116
1117        @Override
1118        public void focusLost(FocusEvent e) {
1119            yLayer.updateBufferAndRepaint();
1120        }
1121    }
1122
1123    /**
1124     * Presents dialog with sliders for manual adjust.
1125     */
1126    private class AdjustActionListener implements ActionListener {
1127
1128        @Override
1129        public void actionPerformed(ActionEvent arg0) {
1130
1131            final GpxTimeOffset offset = GpxTimeOffset.milliseconds(
1132                    delta.getMilliseconds() + Math.round(timezone.getHours() * TimeUnit.HOURS.toMillis(1)));
1133            final int dayOffset = offset.getDayOffset();
1134            final Pair<GpxTimezone, GpxTimeOffset> timezoneOffsetPair = offset.withoutDayOffset().splitOutTimezone();
1135
1136            // Info Labels
1137            final JLabel lblMatches = new JLabel();
1138
1139            // Timezone Slider
1140            // The slider allows to switch timezon from -12:00 to 12:00 in 30 minutes steps. Therefore the range is -24 to 24.
1141            final JLabel lblTimezone = new JLabel();
1142            final JSlider sldTimezone = new JSlider(-24, 24, 0);
1143            sldTimezone.setPaintLabels(true);
1144            Dictionary<Integer, JLabel> labelTable = new Hashtable<>();
1145            // CHECKSTYLE.OFF: ParenPad
1146            for (int i = -12; i <= 12; i += 6) {
1147                labelTable.put(i * 2, new JLabel(new GpxTimezone(i).formatTimezone()));
1148            }
1149            // CHECKSTYLE.ON: ParenPad
1150            sldTimezone.setLabelTable(labelTable);
1151
1152            // Minutes Slider
1153            final JLabel lblMinutes = new JLabel();
1154            final JSlider sldMinutes = new JSlider(-15, 15, 0);
1155            sldMinutes.setPaintLabels(true);
1156            sldMinutes.setMajorTickSpacing(5);
1157
1158            // Seconds slider
1159            final JLabel lblSeconds = new JLabel();
1160            final JSlider sldSeconds = new JSlider(-600, 600, 0);
1161            sldSeconds.setPaintLabels(true);
1162            labelTable = new Hashtable<>();
1163            // CHECKSTYLE.OFF: ParenPad
1164            for (int i = -60; i <= 60; i += 30) {
1165                labelTable.put(i * 10, new JLabel(GpxTimeOffset.seconds(i).formatOffset()));
1166            }
1167            // CHECKSTYLE.ON: ParenPad
1168            sldSeconds.setLabelTable(labelTable);
1169            sldSeconds.setMajorTickSpacing(300);
1170
1171            // This is called whenever one of the sliders is moved.
1172            // It updates the labels and also calls the "match photos" code
1173            class SliderListener implements ChangeListener {
1174                @Override
1175                public void stateChanged(ChangeEvent e) {
1176                    timezone = new GpxTimezone(sldTimezone.getValue() / 2.);
1177
1178                    lblTimezone.setText(tr("Timezone: {0}", timezone.formatTimezone()));
1179                    lblMinutes.setText(tr("Minutes: {0}", sldMinutes.getValue()));
1180                    lblSeconds.setText(tr("Seconds: {0}", GpxTimeOffset.milliseconds(100L * sldSeconds.getValue()).formatOffset()));
1181
1182                    delta = GpxTimeOffset.milliseconds(100L * sldSeconds.getValue()
1183                            + TimeUnit.MINUTES.toMillis(sldMinutes.getValue())
1184                            + TimeUnit.DAYS.toMillis(dayOffset));
1185
1186                    tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
1187                    tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
1188
1189                    tfTimezone.setText(timezone.formatTimezone());
1190                    tfOffset.setText(delta.formatOffset());
1191
1192                    tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1193                    tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1194
1195                    lblMatches.setText(statusBarText.getText() + "<br>" + trn("(Time difference of {0} day)",
1196                            "Time difference of {0} days", Math.abs(dayOffset), Math.abs(dayOffset)));
1197
1198                    statusBarUpdater.updateStatusBar();
1199                    yLayer.updateBufferAndRepaint();
1200                }
1201            }
1202
1203            // Put everything together
1204            JPanel p = new JPanel(new GridBagLayout());
1205            p.setPreferredSize(new Dimension(400, 230));
1206            p.add(lblMatches, GBC.eol().fill());
1207            p.add(lblTimezone, GBC.eol().fill());
1208            p.add(sldTimezone, GBC.eol().fill().insets(0, 0, 0, 10));
1209            p.add(lblMinutes, GBC.eol().fill());
1210            p.add(sldMinutes, GBC.eol().fill().insets(0, 0, 0, 10));
1211            p.add(lblSeconds, GBC.eol().fill());
1212            p.add(sldSeconds, GBC.eol().fill());
1213
1214            // If there's an error in the calculation the found values
1215            // will be off range for the sliders. Catch this error
1216            // and inform the user about it.
1217            try {
1218                sldTimezone.setValue((int) (timezoneOffsetPair.a.getHours() * 2));
1219                sldMinutes.setValue((int) (timezoneOffsetPair.b.getSeconds() / 60));
1220                final long deciSeconds = timezoneOffsetPair.b.getMilliseconds() / 100;
1221                sldSeconds.setValue((int) (deciSeconds % 600));
1222            } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
1223                Logging.warn(e);
1224                JOptionPane.showMessageDialog(MainApplication.getMainFrame(),
1225                        tr("An error occurred while trying to match the photos to the GPX track."
1226                                +" You can adjust the sliders to manually match the photos."),
1227                                tr("Matching photos to track failed"),
1228                                JOptionPane.WARNING_MESSAGE);
1229            }
1230
1231            // Call the sliderListener once manually so labels get adjusted
1232            new SliderListener().stateChanged(null);
1233            // Listeners added here, otherwise it tries to match three times
1234            // (when setting the default values)
1235            sldTimezone.addChangeListener(new SliderListener());
1236            sldMinutes.addChangeListener(new SliderListener());
1237            sldSeconds.addChangeListener(new SliderListener());
1238
1239            // There is no way to cancel this dialog, all changes get applied
1240            // immediately. Therefore "Close" is marked with an "OK" icon.
1241            // Settings are only saved temporarily to the layer.
1242            new ExtendedDialog(MainApplication.getMainFrame(),
1243                    tr("Adjust timezone and offset"),
1244                    tr("Close")).
1245                    setContent(p).setButtonIcons("ok").showDialog();
1246        }
1247    }
1248
1249    static class NoGpxTimestamps extends Exception {
1250    }
1251
1252    /**
1253     * Tries to auto-guess the timezone and offset.
1254     *
1255     * @param imgs the images to correlate
1256     * @param gpx the gpx track to correlate to
1257     * @return a pair of timezone and offset
1258     * @throws IndexOutOfBoundsException when there are no images
1259     * @throws NoGpxTimestamps when the gpx track does not contain a timestamp
1260     */
1261    static Pair<GpxTimezone, GpxTimeOffset> autoGuess(List<ImageEntry> imgs, GpxData gpx) throws NoGpxTimestamps {
1262
1263        // Init variables
1264        long firstExifDate = imgs.get(0).getExifTime().getTime();
1265
1266        long firstGPXDate = -1;
1267        // Finds first GPX point
1268        outer: for (GpxTrack trk : gpx.tracks) {
1269            for (GpxTrackSegment segment : trk.getSegments()) {
1270                for (WayPoint curWp : segment.getWayPoints()) {
1271                    if (curWp.hasDate()) {
1272                        firstGPXDate = curWp.getTimeInMillis();
1273                        break outer;
1274                    }
1275                }
1276            }
1277        }
1278
1279        if (firstGPXDate < 0) {
1280            throw new NoGpxTimestamps();
1281        }
1282
1283        return GpxTimeOffset.milliseconds(firstExifDate - firstGPXDate).splitOutTimezone();
1284    }
1285
1286    private class AutoGuessActionListener implements ActionListener {
1287
1288        @Override
1289        public void actionPerformed(ActionEvent arg0) {
1290            GpxDataWrapper gpxW = selectedGPX(true);
1291            if (gpxW == null)
1292                return;
1293            GpxData gpx = gpxW.data;
1294
1295            List<ImageEntry> imgs = getSortedImgList();
1296
1297            try {
1298                final Pair<GpxTimezone, GpxTimeOffset> r = autoGuess(imgs, gpx);
1299                timezone = r.a;
1300                delta = r.b;
1301            } catch (IndexOutOfBoundsException ex) {
1302                Logging.debug(ex);
1303                JOptionPane.showMessageDialog(MainApplication.getMainFrame(),
1304                        tr("The selected photos do not contain time information."),
1305                        tr("Photos do not contain time information"), JOptionPane.WARNING_MESSAGE);
1306                return;
1307            } catch (NoGpxTimestamps ex) {
1308                Logging.debug(ex);
1309                JOptionPane.showMessageDialog(MainApplication.getMainFrame(),
1310                        tr("The selected GPX track does not contain timestamps. Please select another one."),
1311                        tr("GPX Track has no time information"), JOptionPane.WARNING_MESSAGE);
1312                return;
1313            }
1314
1315            tfTimezone.getDocument().removeDocumentListener(statusBarUpdater);
1316            tfOffset.getDocument().removeDocumentListener(statusBarUpdater);
1317
1318            tfTimezone.setText(timezone.formatTimezone());
1319            tfOffset.setText(delta.formatOffset());
1320            tfOffset.requestFocus();
1321
1322            tfTimezone.getDocument().addDocumentListener(statusBarUpdater);
1323            tfOffset.getDocument().addDocumentListener(statusBarUpdater);
1324
1325            statusBarUpdater.updateStatusBar();
1326            yLayer.updateBufferAndRepaint();
1327        }
1328    }
1329
1330    private List<ImageEntry> getSortedImgList() {
1331        return getSortedImgList(cbExifImg.isSelected(), cbTaggedImg.isSelected());
1332    }
1333
1334    /**
1335     * Returns a list of images that fulfill the given criteria.
1336     * Default setting is to return untagged images, but may be overwritten.
1337     * @param exif also returns images with exif-gps info
1338     * @param tagged also returns tagged images
1339     * @return matching images
1340     */
1341    private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) {
1342        List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.getImageData().getImages().size());
1343        for (ImageEntry e : yLayer.getImageData().getImages()) {
1344            if (!e.hasExifTime()) {
1345                continue;
1346            }
1347
1348            if (e.getExifCoor() != null && !exif) {
1349                continue;
1350            }
1351
1352            if (!tagged && e.isTagged() && e.getExifCoor() == null) {
1353                continue;
1354            }
1355
1356            dateImgLst.add(e);
1357        }
1358
1359        dateImgLst.sort(Comparator.comparing(ImageEntry::getExifTime));
1360
1361        return dateImgLst;
1362    }
1363
1364    private GpxDataWrapper selectedGPX(boolean complain) {
1365        Object item = cbGpx.getSelectedItem();
1366
1367        if (item == null || ((GpxDataWrapper) item).file == null) {
1368            if (complain) {
1369                JOptionPane.showMessageDialog(MainApplication.getMainFrame(), tr("You should select a GPX track"),
1370                        tr("No selected GPX track"), JOptionPane.ERROR_MESSAGE);
1371            }
1372            return null;
1373        }
1374        return (GpxDataWrapper) item;
1375    }
1376
1377}