source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/GeoImageLayer.java@ 7983

Last change on this file since 7983 was 7983, checked in by Don-vip, 9 years ago

fix #10987 - EDT violation during GeoImageLayer merge
  • Property svn:eol-style set to native
File size: 39.3 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.AlphaComposite;
8import java.awt.BasicStroke;
9import java.awt.Color;
10import java.awt.Composite;
11import java.awt.Dimension;
12import java.awt.Graphics2D;
13import java.awt.Image;
14import java.awt.Point;
15import java.awt.Rectangle;
16import java.awt.RenderingHints;
17import java.awt.event.MouseAdapter;
18import java.awt.event.MouseEvent;
19import java.awt.image.BufferedImage;
20import java.beans.PropertyChangeEvent;
21import java.beans.PropertyChangeListener;
22import java.io.File;
23import java.io.IOException;
24import java.text.ParseException;
25import java.util.ArrayList;
26import java.util.Arrays;
27import java.util.Calendar;
28import java.util.Collection;
29import java.util.Collections;
30import java.util.GregorianCalendar;
31import java.util.HashSet;
32import java.util.LinkedHashSet;
33import java.util.LinkedList;
34import java.util.List;
35import java.util.Set;
36import java.util.TimeZone;
37import java.util.concurrent.ExecutorService;
38import java.util.concurrent.Executors;
39import java.util.concurrent.ThreadFactory;
40
41import javax.swing.Action;
42import javax.swing.Icon;
43import javax.swing.JLabel;
44import javax.swing.JOptionPane;
45import javax.swing.SwingConstants;
46
47import org.openstreetmap.josm.Main;
48import org.openstreetmap.josm.actions.LassoModeAction;
49import org.openstreetmap.josm.actions.RenameLayerAction;
50import org.openstreetmap.josm.actions.mapmode.MapMode;
51import org.openstreetmap.josm.actions.mapmode.SelectAction;
52import org.openstreetmap.josm.data.Bounds;
53import org.openstreetmap.josm.data.coor.LatLon;
54import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
55import org.openstreetmap.josm.gui.ExtendedDialog;
56import org.openstreetmap.josm.gui.MapFrame;
57import org.openstreetmap.josm.gui.MapFrame.MapModeChangeListener;
58import org.openstreetmap.josm.gui.MapView;
59import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
60import org.openstreetmap.josm.gui.NavigatableComponent;
61import org.openstreetmap.josm.gui.PleaseWaitRunnable;
62import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
63import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
64import org.openstreetmap.josm.gui.layer.GpxLayer;
65import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToMarkerLayer;
66import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToNextMarker;
67import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToPreviousMarker;
68import org.openstreetmap.josm.gui.layer.Layer;
69import org.openstreetmap.josm.gui.util.GuiHelper;
70import org.openstreetmap.josm.tools.ExifReader;
71import org.openstreetmap.josm.tools.ImageProvider;
72import org.openstreetmap.josm.tools.Utils;
73
74import com.drew.imaging.jpeg.JpegMetadataReader;
75import com.drew.lang.CompoundException;
76import com.drew.metadata.Directory;
77import com.drew.metadata.Metadata;
78import com.drew.metadata.MetadataException;
79import com.drew.metadata.exif.ExifIFD0Directory;
80import com.drew.metadata.exif.GpsDirectory;
81
82/**
83 * Layer displaying geottaged pictures.
84 */
85public class GeoImageLayer extends Layer implements PropertyChangeListener, JumpToMarkerLayer {
86
87 List<ImageEntry> data;
88 GpxLayer gpxLayer;
89
90 private Icon icon = ImageProvider.get("dialogs/geoimage/photo-marker");
91 private Icon selectedIcon = ImageProvider.get("dialogs/geoimage/photo-marker-selected");
92
93 private int currentPhoto = -1;
94
95 boolean useThumbs = false;
96 ExecutorService thumbsLoaderExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
97 @Override
98 public Thread newThread(Runnable r) {
99 Thread t = new Thread(r);
100 t.setPriority(Thread.MIN_PRIORITY);
101 return t;
102 }
103 });
104 ThumbsLoader thumbsloader;
105 boolean thumbsLoaderRunning = false;
106 volatile boolean thumbsLoaded = false;
107 private BufferedImage offscreenBuffer;
108 boolean updateOffscreenBuffer = true;
109
110 /** Loads a set of images, while displaying a dialog that indicates what the plugin is currently doing.
111 * In facts, this object is instantiated with a list of files. These files may be JPEG files or
112 * directories. In case of directories, they are scanned to find all the images they contain.
113 * Then all the images that have be found are loaded as ImageEntry instances.
114 */
115 private static final class Loader extends PleaseWaitRunnable {
116
117 private boolean canceled = false;
118 private GeoImageLayer layer;
119 private Collection<File> selection;
120 private Set<String> loadedDirectories = new HashSet<>();
121 private Set<String> errorMessages;
122 private GpxLayer gpxLayer;
123
124 protected void rememberError(String message) {
125 this.errorMessages.add(message);
126 }
127
128 public Loader(Collection<File> selection, GpxLayer gpxLayer) {
129 super(tr("Extracting GPS locations from EXIF"));
130 this.selection = selection;
131 this.gpxLayer = gpxLayer;
132 errorMessages = new LinkedHashSet<>();
133 }
134
135 @Override protected void realRun() throws IOException {
136
137 progressMonitor.subTask(tr("Starting directory scan"));
138 Collection<File> files = new ArrayList<>();
139 try {
140 addRecursiveFiles(files, selection);
141 } catch (IllegalStateException e) {
142 rememberError(e.getMessage());
143 }
144
145 if (canceled)
146 return;
147 progressMonitor.subTask(tr("Read photos..."));
148 progressMonitor.setTicksCount(files.size());
149
150 progressMonitor.subTask(tr("Read photos..."));
151 progressMonitor.setTicksCount(files.size());
152
153 // read the image files
154 List<ImageEntry> data = new ArrayList<>(files.size());
155
156 for (File f : files) {
157
158 if (canceled) {
159 break;
160 }
161
162 progressMonitor.subTask(tr("Reading {0}...", f.getName()));
163 progressMonitor.worked(1);
164
165 ImageEntry e = new ImageEntry();
166
167 // Changed to silently cope with no time info in exif. One case
168 // of person having time that couldn't be parsed, but valid GPS info
169
170 try {
171 e.setExifTime(ExifReader.readTime(f));
172 } catch (ParseException ex) {
173 e.setExifTime(null);
174 }
175 e.setFile(f);
176 extractExif(e);
177 data.add(e);
178 }
179 layer = new GeoImageLayer(data, gpxLayer);
180 files.clear();
181 }
182
183 private void addRecursiveFiles(Collection<File> files, Collection<File> sel) {
184 boolean nullFile = false;
185
186 for (File f : sel) {
187
188 if(canceled) {
189 break;
190 }
191
192 if (f == null) {
193 nullFile = true;
194
195 } else if (f.isDirectory()) {
196 String canonical = null;
197 try {
198 canonical = f.getCanonicalPath();
199 } catch (IOException e) {
200 Main.error(e);
201 rememberError(tr("Unable to get canonical path for directory {0}\n",
202 f.getAbsolutePath()));
203 }
204
205 if (canonical == null || loadedDirectories.contains(canonical)) {
206 continue;
207 } else {
208 loadedDirectories.add(canonical);
209 }
210
211 File[] children = f.listFiles(JpegFileFilter.getInstance());
212 if (children != null) {
213 progressMonitor.subTask(tr("Scanning directory {0}", f.getPath()));
214 addRecursiveFiles(files, Arrays.asList(children));
215 } else {
216 rememberError(tr("Error while getting files from directory {0}\n", f.getPath()));
217 }
218
219 } else {
220 files.add(f);
221 }
222 }
223
224 if (nullFile) {
225 throw new IllegalStateException(tr("One of the selected files was null"));
226 }
227 }
228
229 protected String formatErrorMessages() {
230 StringBuilder sb = new StringBuilder();
231 sb.append("<html>");
232 if (errorMessages.size() == 1) {
233 sb.append(errorMessages.iterator().next());
234 } else {
235 sb.append(Utils.joinAsHtmlUnorderedList(errorMessages));
236 }
237 sb.append("</html>");
238 return sb.toString();
239 }
240
241 @Override protected void finish() {
242 if (!errorMessages.isEmpty()) {
243 JOptionPane.showMessageDialog(
244 Main.parent,
245 formatErrorMessages(),
246 tr("Error"),
247 JOptionPane.ERROR_MESSAGE
248 );
249 }
250 if (layer != null) {
251 Main.main.addLayer(layer);
252
253 if (!canceled && !layer.data.isEmpty()) {
254 boolean noGeotagFound = true;
255 for (ImageEntry e : layer.data) {
256 if (e.getPos() != null) {
257 noGeotagFound = false;
258 }
259 }
260 if (noGeotagFound) {
261 new CorrelateGpxWithImages(layer).actionPerformed(null);
262 }
263 }
264 }
265 }
266
267 @Override protected void cancel() {
268 canceled = true;
269 }
270 }
271
272 public static void create(Collection<File> files, GpxLayer gpxLayer) {
273 Loader loader = new Loader(files, gpxLayer);
274 Main.worker.execute(loader);
275 }
276
277 /**
278 * Constructs a new {@code GeoImageLayer}.
279 * @param data The list of images to display
280 * @param gpxLayer The associated GPX layer
281 */
282 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer) {
283 this(data, gpxLayer, null, false);
284 }
285
286 /**
287 * Constructs a new {@code GeoImageLayer}.
288 * @param data The list of images to display
289 * @param gpxLayer The associated GPX layer
290 * @param name Layer name
291 * @since 6392
292 */
293 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer, final String name) {
294 this(data, gpxLayer, name, false);
295 }
296
297 /**
298 * Constructs a new {@code GeoImageLayer}.
299 * @param data The list of images to display
300 * @param gpxLayer The associated GPX layer
301 * @param useThumbs Thumbnail display flag
302 * @since 6392
303 */
304 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer, boolean useThumbs) {
305 this(data, gpxLayer, null, useThumbs);
306 }
307
308 /**
309 * Constructs a new {@code GeoImageLayer}.
310 * @param data The list of images to display
311 * @param gpxLayer The associated GPX layer
312 * @param name Layer name
313 * @param useThumbs Thumbnail display flag
314 * @since 6392
315 */
316 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer, final String name, boolean useThumbs) {
317 super(name != null ? name : tr("Geotagged Images"));
318 Collections.sort(data);
319 this.data = data;
320 this.gpxLayer = gpxLayer;
321 this.useThumbs = useThumbs;
322 }
323
324 @Override
325 public Icon getIcon() {
326 return ImageProvider.get("dialogs/geoimage");
327 }
328
329 private static List<Action> menuAdditions = new LinkedList<>();
330 public static void registerMenuAddition(Action addition) {
331 menuAdditions.add(addition);
332 }
333
334 @Override
335 public Action[] getMenuEntries() {
336
337 List<Action> entries = new ArrayList<>();
338 entries.add(LayerListDialog.getInstance().createShowHideLayerAction());
339 entries.add(LayerListDialog.getInstance().createDeleteLayerAction());
340 entries.add(new RenameLayerAction(null, this));
341 entries.add(SeparatorLayerAction.INSTANCE);
342 entries.add(new CorrelateGpxWithImages(this));
343 entries.add(new ShowThumbnailAction(this));
344 if (!menuAdditions.isEmpty()) {
345 entries.add(SeparatorLayerAction.INSTANCE);
346 entries.addAll(menuAdditions);
347 }
348 entries.add(SeparatorLayerAction.INSTANCE);
349 entries.add(new JumpToNextMarker(this));
350 entries.add(new JumpToPreviousMarker(this));
351 entries.add(SeparatorLayerAction.INSTANCE);
352 entries.add(new LayerListPopup.InfoAction(this));
353
354 return entries.toArray(new Action[entries.size()]);
355
356 }
357
358 private String infoText() {
359 int i = 0;
360 for (ImageEntry e : data)
361 if (e.getPos() != null) {
362 i++;
363 }
364 return trn("{0} image loaded.", "{0} images loaded.", data.size(), data.size())
365 + " " + trn("{0} was found to be GPS tagged.", "{0} were found to be GPS tagged.", i, i);
366 }
367
368 @Override public Object getInfoComponent() {
369 return infoText();
370 }
371
372 @Override
373 public String getToolTipText() {
374 return infoText();
375 }
376
377 @Override
378 public boolean isMergable(Layer other) {
379 return other instanceof GeoImageLayer;
380 }
381
382 @Override
383 public void mergeFrom(Layer from) {
384 GeoImageLayer l = (GeoImageLayer) from;
385
386 // Stop to load thumbnails on both layers. Thumbnail loading will continue the next time
387 // the layer is painted.
388 stopLoadThumbs();
389 l.stopLoadThumbs();
390
391 final ImageEntry selected = l.currentPhoto >= 0 ? l.data.get(l.currentPhoto) : null;
392
393 data.addAll(l.data);
394 Collections.sort(data);
395
396 // Supress the double photos.
397 if (data.size() > 1) {
398 ImageEntry cur;
399 ImageEntry prev = data.get(data.size() - 1);
400 for (int i = data.size() - 2; i >= 0; i--) {
401 cur = data.get(i);
402 if (cur.getFile().equals(prev.getFile())) {
403 data.remove(i);
404 } else {
405 prev = cur;
406 }
407 }
408 }
409
410 if (selected != null && !data.isEmpty()) {
411 GuiHelper.runInEDTAndWait(new Runnable() {
412 @Override
413 public void run() {
414 for (int i = 0; i < data.size() ; i++) {
415 if (selected.equals(data.get(i))) {
416 currentPhoto = i;
417 ImageViewerDialog.showImage(GeoImageLayer.this, data.get(i));
418 break;
419 }
420 }
421 }
422 });
423 }
424
425 setName(l.getName());
426 thumbsLoaded &= l.thumbsLoaded;
427 }
428
429 private Dimension scaledDimension(Image thumb) {
430 final double d = Main.map.mapView.getDist100Pixel();
431 final double size = 10 /*meter*/; /* size of the photo on the map */
432 double s = size * 100 /*px*/ / d;
433
434 final double sMin = ThumbsLoader.minSize;
435 final double sMax = ThumbsLoader.maxSize;
436
437 if (s < sMin) {
438 s = sMin;
439 }
440 if (s > sMax) {
441 s = sMax;
442 }
443 final double f = s / sMax; /* scale factor */
444
445 if (thumb == null)
446 return null;
447
448 return new Dimension(
449 (int) Math.round(f * thumb.getWidth(null)),
450 (int) Math.round(f * thumb.getHeight(null)));
451 }
452
453 @Override
454 public void paint(Graphics2D g, MapView mv, Bounds bounds) {
455 int width = mv.getWidth();
456 int height = mv.getHeight();
457 Rectangle clip = g.getClipBounds();
458 if (useThumbs) {
459 if (!thumbsLoaded) {
460 startLoadThumbs();
461 }
462
463 if (null == offscreenBuffer || offscreenBuffer.getWidth() != width // reuse the old buffer if possible
464 || offscreenBuffer.getHeight() != height) {
465 offscreenBuffer = new BufferedImage(width, height,
466 BufferedImage.TYPE_INT_ARGB);
467 updateOffscreenBuffer = true;
468 }
469
470 if (updateOffscreenBuffer) {
471 Graphics2D tempG = offscreenBuffer.createGraphics();
472 tempG.setColor(new Color(0,0,0,0));
473 Composite saveComp = tempG.getComposite();
474 tempG.setComposite(AlphaComposite.Clear); // remove the old images
475 tempG.fillRect(0, 0, width, height);
476 tempG.setComposite(saveComp);
477
478 for (ImageEntry e : data) {
479 if (e.getPos() == null) {
480 continue;
481 }
482 Point p = mv.getPoint(e.getPos());
483 if (e.thumbnail != null) {
484 Dimension d = scaledDimension(e.thumbnail);
485 Rectangle target = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
486 if (clip.intersects(target)) {
487 tempG.drawImage(e.thumbnail, target.x, target.y, target.width, target.height, null);
488 }
489 }
490 else { // thumbnail not loaded yet
491 icon.paintIcon(mv, tempG,
492 p.x - icon.getIconWidth() / 2,
493 p.y - icon.getIconHeight() / 2);
494 }
495 }
496 updateOffscreenBuffer = false;
497 }
498 g.drawImage(offscreenBuffer, 0, 0, null);
499 }
500 else {
501 for (ImageEntry e : data) {
502 if (e.getPos() == null) {
503 continue;
504 }
505 Point p = mv.getPoint(e.getPos());
506 icon.paintIcon(mv, g,
507 p.x - icon.getIconWidth() / 2,
508 p.y - icon.getIconHeight() / 2);
509 }
510 }
511
512 if (currentPhoto >= 0 && currentPhoto < data.size()) {
513 ImageEntry e = data.get(currentPhoto);
514
515 if (e.getPos() != null) {
516 Point p = mv.getPoint(e.getPos());
517
518 int imgWidth = 100;
519 int imgHeight = 100;
520 if (useThumbs && e.thumbnail != null) {
521 Dimension d = scaledDimension(e.thumbnail);
522 imgWidth = d.width;
523 imgHeight = d.height;
524 }
525 else {
526 imgWidth = selectedIcon.getIconWidth();
527 imgHeight = selectedIcon.getIconHeight();
528 }
529
530 if (e.getExifImgDir() != null) {
531 // Multiplier must be larger than sqrt(2)/2=0.71.
532 double arrowlength = Math.max(25, Math.max(imgWidth, imgHeight) * 0.85);
533 double arrowwidth = arrowlength / 1.4;
534
535 double dir = e.getExifImgDir();
536 // Rotate 90 degrees CCW
537 double headdir = ( dir < 90 ) ? dir + 270 : dir - 90;
538 double leftdir = ( headdir < 90 ) ? headdir + 270 : headdir - 90;
539 double rightdir = ( headdir > 270 ) ? headdir - 270 : headdir + 90;
540
541 double ptx = p.x + Math.cos(Math.toRadians(headdir)) * arrowlength;
542 double pty = p.y + Math.sin(Math.toRadians(headdir)) * arrowlength;
543
544 double ltx = p.x + Math.cos(Math.toRadians(leftdir)) * arrowwidth/2;
545 double lty = p.y + Math.sin(Math.toRadians(leftdir)) * arrowwidth/2;
546
547 double rtx = p.x + Math.cos(Math.toRadians(rightdir)) * arrowwidth/2;
548 double rty = p.y + Math.sin(Math.toRadians(rightdir)) * arrowwidth/2;
549
550 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
551 g.setColor(new Color(255, 255, 255, 192));
552 int[] xar = {(int) ltx, (int) ptx, (int) rtx, (int) ltx};
553 int[] yar = {(int) lty, (int) pty, (int) rty, (int) lty};
554 g.fillPolygon(xar, yar, 4);
555 g.setColor(Color.black);
556 g.setStroke(new BasicStroke(1.2f));
557 g.drawPolyline(xar, yar, 3);
558 }
559
560 if (useThumbs && e.thumbnail != null) {
561 g.setColor(new Color(128, 0, 0, 122));
562 g.fillRect(p.x - imgWidth / 2, p.y - imgHeight / 2, imgWidth, imgHeight);
563 } else {
564 selectedIcon.paintIcon(mv, g,
565 p.x - imgWidth / 2,
566 p.y - imgHeight / 2);
567
568 }
569 }
570 }
571 }
572
573 @Override
574 public void visitBoundingBox(BoundingXYVisitor v) {
575 for (ImageEntry e : data) {
576 v.visit(e.getPos());
577 }
578 }
579
580 /**
581 * Extract GPS metadata from image EXIF
582 *
583 * If successful, fills in the LatLon and EastNorth attributes of passed in image
584 */
585 private static void extractExif(ImageEntry e) {
586
587 Metadata metadata;
588 Directory dirExif;
589 GpsDirectory dirGps;
590
591 try {
592 metadata = JpegMetadataReader.readMetadata(e.getFile());
593 dirExif = metadata.getDirectory(ExifIFD0Directory.class);
594 dirGps = metadata.getDirectory(GpsDirectory.class);
595 } catch (CompoundException | IOException p) {
596 e.setExifCoor(null);
597 e.setPos(null);
598 return;
599 }
600
601 try {
602 if (dirExif != null) {
603 int orientation = dirExif.getInt(ExifIFD0Directory.TAG_ORIENTATION);
604 e.setExifOrientation(orientation);
605 }
606 } catch (MetadataException ex) {
607 Main.debug(ex.getMessage());
608 }
609
610 if (dirGps == null) {
611 e.setExifCoor(null);
612 e.setPos(null);
613 return;
614 }
615
616 try {
617 double speed = dirGps.getDouble(GpsDirectory.TAG_GPS_SPEED);
618 String speedRef = dirGps.getString(GpsDirectory.TAG_GPS_SPEED_REF);
619 if (speedRef != null) {
620 if (speedRef.equalsIgnoreCase("M")) {
621 // miles per hour
622 speed *= 1.609344;
623 } else if (speedRef.equalsIgnoreCase("N")) {
624 // knots == nautical miles per hour
625 speed *= 1.852;
626 }
627 // default is K (km/h)
628 }
629 e.setSpeed(speed);
630 } catch (Exception ex) {
631 Main.debug(ex.getMessage());
632 }
633
634 try {
635 double ele = dirGps.getDouble(GpsDirectory.TAG_GPS_ALTITUDE);
636 int d = dirGps.getInt(GpsDirectory.TAG_GPS_ALTITUDE_REF);
637 if (d == 1) {
638 ele *= -1;
639 }
640 e.setElevation(ele);
641 } catch (MetadataException ex) {
642 Main.debug(ex.getMessage());
643 }
644
645 try {
646 LatLon latlon = ExifReader.readLatLon(dirGps);
647 e.setExifCoor(latlon);
648 e.setPos(e.getExifCoor());
649
650 } catch (Exception ex) { // (other exceptions, e.g. #5271)
651 Main.error("Error reading EXIF from file: "+ex);
652 e.setExifCoor(null);
653 e.setPos(null);
654 }
655
656 try {
657 Double direction = ExifReader.readDirection(dirGps);
658 if (direction != null) {
659 e.setExifImgDir(direction.doubleValue());
660 }
661 } catch (Exception ex) { // (CompoundException and other exceptions, e.g. #5271)
662 Main.debug(ex.getMessage());
663 }
664
665 // Time and date. We can have these cases:
666 // 1) GPS_TIME_STAMP not set -> date/time will be null
667 // 2) GPS_DATE_STAMP not set -> use EXIF date or set to default
668 // 3) GPS_TIME_STAMP and GPS_DATE_STAMP are set
669 int[] timeStampComps = dirGps.getIntArray(GpsDirectory.TAG_GPS_TIME_STAMP);
670 if (timeStampComps != null) {
671 int gpsHour = timeStampComps[0];
672 int gpsMin = timeStampComps[1];
673 int gpsSec = timeStampComps[2];
674 Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
675
676 // We have the time. Next step is to check if the GPS date stamp is set.
677 // dirGps.getString() always succeeds, but the return value might be null.
678 String dateStampStr = dirGps.getString(GpsDirectory.TAG_GPS_DATE_STAMP);
679 if (dateStampStr != null && dateStampStr.matches("^\\d+:\\d+:\\d+$")) {
680 String[] dateStampComps = dateStampStr.split(":");
681 cal.set(Calendar.YEAR, Integer.parseInt(dateStampComps[0]));
682 cal.set(Calendar.MONTH, Integer.parseInt(dateStampComps[1]) - 1);
683 cal.set(Calendar.DAY_OF_MONTH, Integer.parseInt(dateStampComps[2]));
684 }
685 else {
686 // No GPS date stamp in EXIF data. Copy it from EXIF time.
687 // Date is not set if EXIF time is not available.
688 if (e.hasExifTime()) {
689 // Time not set yet, so we can copy everything, not just date.
690 cal.setTime(e.getExifTime());
691 }
692 }
693
694 cal.set(Calendar.HOUR_OF_DAY, gpsHour);
695 cal.set(Calendar.MINUTE, gpsMin);
696 cal.set(Calendar.SECOND, gpsSec);
697
698 e.setExifGpsTime(cal.getTime());
699 }
700 }
701
702 public void showNextPhoto() {
703 if (data != null && data.size() > 0) {
704 currentPhoto++;
705 if (currentPhoto >= data.size()) {
706 currentPhoto = data.size() - 1;
707 }
708 ImageViewerDialog.showImage(this, data.get(currentPhoto));
709 } else {
710 currentPhoto = -1;
711 }
712 Main.map.repaint();
713 }
714
715 public void showPreviousPhoto() {
716 if (data != null && !data.isEmpty()) {
717 currentPhoto--;
718 if (currentPhoto < 0) {
719 currentPhoto = 0;
720 }
721 ImageViewerDialog.showImage(this, data.get(currentPhoto));
722 } else {
723 currentPhoto = -1;
724 }
725 Main.map.repaint();
726 }
727
728 public void showFirstPhoto() {
729 if (data != null && data.size() > 0) {
730 currentPhoto = 0;
731 ImageViewerDialog.showImage(this, data.get(currentPhoto));
732 } else {
733 currentPhoto = -1;
734 }
735 Main.map.repaint();
736 }
737
738 public void showLastPhoto() {
739 if (data != null && data.size() > 0) {
740 currentPhoto = data.size() - 1;
741 ImageViewerDialog.showImage(this, data.get(currentPhoto));
742 } else {
743 currentPhoto = -1;
744 }
745 Main.map.repaint();
746 }
747
748 public void checkPreviousNextButtons() {
749 ImageViewerDialog.setNextEnabled(currentPhoto < data.size() - 1);
750 ImageViewerDialog.setPreviousEnabled(currentPhoto > 0);
751 }
752
753 public void removeCurrentPhoto() {
754 if (data != null && data.size() > 0 && currentPhoto >= 0 && currentPhoto < data.size()) {
755 data.remove(currentPhoto);
756 if (currentPhoto >= data.size()) {
757 currentPhoto = data.size() - 1;
758 }
759 if (currentPhoto >= 0) {
760 ImageViewerDialog.showImage(this, data.get(currentPhoto));
761 } else {
762 ImageViewerDialog.showImage(this, null);
763 }
764 updateOffscreenBuffer = true;
765 Main.map.repaint();
766 }
767 }
768
769 public void removeCurrentPhotoFromDisk() {
770 ImageEntry toDelete = null;
771 if (data != null && data.size() > 0 && currentPhoto >= 0 && currentPhoto < data.size()) {
772 toDelete = data.get(currentPhoto);
773
774 int result = new ExtendedDialog(
775 Main.parent,
776 tr("Delete image file from disk"),
777 new String[] {tr("Cancel"), tr("Delete")})
778 .setButtonIcons(new String[] {"cancel.png", "dialogs/delete.png"})
779 .setContent(new JLabel(tr("<html><h3>Delete the file {0} from disk?<p>The image file will be permanently lost!</h3></html>"
780 ,toDelete.getFile().getName()), ImageProvider.get("dialogs/geoimage/deletefromdisk"),SwingConstants.LEFT))
781 .toggleEnable("geoimage.deleteimagefromdisk")
782 .setCancelButton(1)
783 .setDefaultButton(2)
784 .showDialog()
785 .getValue();
786
787 if(result == 2)
788 {
789 data.remove(currentPhoto);
790 if (currentPhoto >= data.size()) {
791 currentPhoto = data.size() - 1;
792 }
793 if (currentPhoto >= 0) {
794 ImageViewerDialog.showImage(this, data.get(currentPhoto));
795 } else {
796 ImageViewerDialog.showImage(this, null);
797 }
798
799 if (toDelete.getFile().delete()) {
800 Main.info("File "+toDelete.getFile().toString()+" deleted. ");
801 } else {
802 JOptionPane.showMessageDialog(
803 Main.parent,
804 tr("Image file could not be deleted."),
805 tr("Error"),
806 JOptionPane.ERROR_MESSAGE
807 );
808 }
809
810 updateOffscreenBuffer = true;
811 Main.map.repaint();
812 }
813 }
814 }
815
816 public void copyCurrentPhotoPath() {
817 ImageEntry toCopy = null;
818 if (data != null && data.size() > 0 && currentPhoto >= 0 && currentPhoto < data.size()) {
819 toCopy = data.get(currentPhoto);
820 String copyString = toCopy.getFile().toString();
821 Utils.copyToClipboard(copyString);
822 }
823 }
824
825 /**
826 * Removes a photo from the list of images by index.
827 * @param idx Image index
828 * @since 6392
829 */
830 public void removePhotoByIdx(int idx) {
831 if (idx >= 0 && data != null && idx < data.size()) {
832 data.remove(idx);
833 }
834 }
835
836 /**
837 * Returns the image that matches the position of the mouse event.
838 * @param evt Mouse event
839 * @return Image at mouse position, or {@code null} if there is no image at the mouse position
840 * @since 6392
841 */
842 public ImageEntry getPhotoUnderMouse(MouseEvent evt) {
843 if (data != null) {
844 for (int idx = data.size() - 1; idx >= 0; --idx) {
845 ImageEntry img = data.get(idx);
846 if (img.getPos() == null) {
847 continue;
848 }
849 Point p = Main.map.mapView.getPoint(img.getPos());
850 Rectangle r;
851 if (useThumbs && img.thumbnail != null) {
852 Dimension d = scaledDimension(img.thumbnail);
853 r = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
854 } else {
855 r = new Rectangle(p.x - icon.getIconWidth() / 2,
856 p.y - icon.getIconHeight() / 2,
857 icon.getIconWidth(),
858 icon.getIconHeight());
859 }
860 if (r.contains(evt.getPoint())) {
861 return img;
862 }
863 }
864 }
865 return null;
866 }
867
868 /**
869 * Clears the currentPhoto, i.e. remove select marker, and optionally repaint.
870 * @param repaint Repaint flag
871 * @since 6392
872 */
873 public void clearCurrentPhoto(boolean repaint) {
874 currentPhoto = -1;
875 if (repaint) {
876 updateBufferAndRepaint();
877 }
878 }
879
880 /**
881 * Clears the currentPhoto of the other GeoImageLayer's. Otherwise there could be multiple selected photos.
882 */
883 private void clearOtherCurrentPhotos() {
884 for (GeoImageLayer layer:
885 Main.map.mapView.getLayersOfType(GeoImageLayer.class)) {
886 if (layer != this) {
887 layer.clearCurrentPhoto(false);
888 }
889 }
890 }
891
892 private static List<MapMode> supportedMapModes = null;
893
894 /**
895 * Registers a map mode for which the functionality of this layer should be available.
896 * @param mapMode Map mode to be registered
897 * @since 6392
898 */
899 public static void registerSupportedMapMode(MapMode mapMode) {
900 if (supportedMapModes == null) {
901 supportedMapModes = new ArrayList<>();
902 }
903 supportedMapModes.add(mapMode);
904 }
905
906 /**
907 * Determines if the functionality of this layer is available in
908 * the specified map mode. {@link SelectAction} and {@link LassoModeAction} are supported by default,
909 * other map modes can be registered.
910 * @param mapMode Map mode to be checked
911 * @return {@code true} if the map mode is supported,
912 * {@code false} otherwise
913 */
914 private static final boolean isSupportedMapMode(MapMode mapMode) {
915 if (mapMode instanceof SelectAction || mapMode instanceof LassoModeAction) {
916 return true;
917 }
918 if (supportedMapModes != null) {
919 for (MapMode supmmode: supportedMapModes) {
920 if (mapMode == supmmode) {
921 return true;
922 }
923 }
924 }
925 return false;
926 }
927
928 private MouseAdapter mouseAdapter = null;
929 private MapModeChangeListener mapModeListener = null;
930
931 @Override
932 public void hookUpMapView() {
933 mouseAdapter = new MouseAdapter() {
934 private final boolean isMapModeOk() {
935 return Main.map.mapMode == null || isSupportedMapMode(Main.map.mapMode);
936 }
937 @Override public void mousePressed(MouseEvent e) {
938
939 if (e.getButton() != MouseEvent.BUTTON1)
940 return;
941 if (isVisible() && isMapModeOk()) {
942 Main.map.mapView.repaint();
943 }
944 }
945
946 @Override public void mouseReleased(MouseEvent ev) {
947 if (ev.getButton() != MouseEvent.BUTTON1)
948 return;
949 if (data == null || !isVisible() || !isMapModeOk())
950 return;
951
952 for (int i = data.size() - 1; i >= 0; --i) {
953 ImageEntry e = data.get(i);
954 if (e.getPos() == null) {
955 continue;
956 }
957 Point p = Main.map.mapView.getPoint(e.getPos());
958 Rectangle r;
959 if (useThumbs && e.thumbnail != null) {
960 Dimension d = scaledDimension(e.thumbnail);
961 r = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
962 } else {
963 r = new Rectangle(p.x - icon.getIconWidth() / 2,
964 p.y - icon.getIconHeight() / 2,
965 icon.getIconWidth(),
966 icon.getIconHeight());
967 }
968 if (r.contains(ev.getPoint())) {
969 clearOtherCurrentPhotos();
970 currentPhoto = i;
971 ImageViewerDialog.showImage(GeoImageLayer.this, e);
972 Main.map.repaint();
973 break;
974 }
975 }
976 }
977 };
978
979 mapModeListener = new MapModeChangeListener() {
980 @Override
981 public void mapModeChange(MapMode oldMapMode, MapMode newMapMode) {
982 if (newMapMode == null || isSupportedMapMode(newMapMode)) {
983 Main.map.mapView.addMouseListener(mouseAdapter);
984 } else {
985 Main.map.mapView.removeMouseListener(mouseAdapter);
986 }
987 }
988 };
989
990 MapFrame.addMapModeChangeListener(mapModeListener);
991 mapModeListener.mapModeChange(null, Main.map.mapMode);
992
993 MapView.addLayerChangeListener(new LayerChangeListener() {
994 @Override
995 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
996 if (newLayer == GeoImageLayer.this) {
997 // only in select mode it is possible to click the images
998 Main.map.selectSelectTool(false);
999 }
1000 }
1001
1002 @Override
1003 public void layerAdded(Layer newLayer) {
1004 }
1005
1006 @Override
1007 public void layerRemoved(Layer oldLayer) {
1008 if (oldLayer == GeoImageLayer.this) {
1009 stopLoadThumbs();
1010 Main.map.mapView.removeMouseListener(mouseAdapter);
1011 MapFrame.removeMapModeChangeListener(mapModeListener);
1012 currentPhoto = -1;
1013 data.clear();
1014 data = null;
1015 // stop listening to layer change events
1016 MapView.removeLayerChangeListener(this);
1017 }
1018 }
1019 });
1020
1021 Main.map.mapView.addPropertyChangeListener(this);
1022 if (Main.map.getToggleDialog(ImageViewerDialog.class) == null) {
1023 ImageViewerDialog.newInstance();
1024 Main.map.addToggleDialog(ImageViewerDialog.getInstance());
1025 }
1026 }
1027
1028 @Override
1029 public void propertyChange(PropertyChangeEvent evt) {
1030 if (NavigatableComponent.PROPNAME_CENTER.equals(evt.getPropertyName()) || NavigatableComponent.PROPNAME_SCALE.equals(evt.getPropertyName())) {
1031 updateOffscreenBuffer = true;
1032 }
1033 }
1034
1035 /**
1036 * Start to load thumbnails.
1037 */
1038 public synchronized void startLoadThumbs() {
1039 if (useThumbs && !thumbsLoaded && !thumbsLoaderRunning) {
1040 stopLoadThumbs();
1041 thumbsloader = new ThumbsLoader(this);
1042 thumbsLoaderExecutor.submit(thumbsloader);
1043 thumbsLoaderRunning = true;
1044 }
1045 }
1046
1047 /**
1048 * Stop to load thumbnails.
1049 *
1050 * Can be called at any time to make sure that the
1051 * thumbnail loader is stopped.
1052 */
1053 public synchronized void stopLoadThumbs() {
1054 if (thumbsloader != null) {
1055 thumbsloader.stop = true;
1056 }
1057 thumbsLoaderRunning = false;
1058 }
1059
1060 /**
1061 * Called to signal that the loading of thumbnails has finished.
1062 *
1063 * Usually called from {@link ThumbsLoader} in another thread.
1064 */
1065 public void thumbsLoaded() {
1066 thumbsLoaded = true;
1067 }
1068
1069 public void updateBufferAndRepaint() {
1070 updateOffscreenBuffer = true;
1071 Main.map.mapView.repaint();
1072 }
1073
1074 public List<ImageEntry> getImages() {
1075 List<ImageEntry> copy = new ArrayList<>(data.size());
1076 for (ImageEntry ie : data) {
1077 copy.add(ie.clone());
1078 }
1079 return copy;
1080 }
1081
1082 /**
1083 * Returns the associated GPX layer.
1084 * @return The associated GPX layer
1085 */
1086 public GpxLayer getGpxLayer() {
1087 return gpxLayer;
1088 }
1089
1090 @Override
1091 public void jumpToNextMarker() {
1092 showNextPhoto();
1093 }
1094
1095 @Override
1096 public void jumpToPreviousMarker() {
1097 showPreviousPhoto();
1098 }
1099
1100 /**
1101 * Returns the current thumbnail display status.
1102 * {@code true}: thumbnails are displayed, {@code false}: an icon is displayed instead of thumbnails.
1103 * @return Current thumbnail display status
1104 * @since 6392
1105 */
1106 public boolean isUseThumbs() {
1107 return useThumbs;
1108 }
1109
1110 /**
1111 * Enables or disables the display of thumbnails. Does not update the display.
1112 * @param useThumbs New thumbnail display status
1113 * @since 6392
1114 */
1115 public void setUseThumbs(boolean useThumbs) {
1116 this.useThumbs = useThumbs;
1117 if (useThumbs && !thumbsLoaded) {
1118 startLoadThumbs();
1119 } else if (!useThumbs) {
1120 stopLoadThumbs();
1121 }
1122 }
1123}
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