source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/GeoImageLayer.java@ 6248

Last change on this file since 6248 was 6248, checked in by Don-vip, 11 years ago

Rework console output:

  • new log level "error"
  • Replace nearly all calls to system.out and system.err to Main.(error|warn|info|debug)
  • Remove some unnecessary debug output
  • Some messages are modified (removal of "Info", "Warning", "Error" from the message itself -> notable i18n impact but limited to console error messages not seen by the majority of users, so that's ok)
  • Property svn:eol-style set to native
File size: 28.6 KB
Line 
1// License: GPL. See LICENSE file for details.
2// Copyright 2007 by Christian Gallioz (aka khris78)
3// Parts of code from Geotagged plugin (by Rob Neild)
4// and the core JOSM source code (by Immanuel Scholz and others)
5package org.openstreetmap.josm.gui.layer.geoimage;
6
7import static org.openstreetmap.josm.tools.I18n.tr;
8import static org.openstreetmap.josm.tools.I18n.trn;
9
10import java.awt.AlphaComposite;
11import java.awt.Color;
12import java.awt.Composite;
13import java.awt.Dimension;
14import java.awt.Graphics2D;
15import java.awt.Image;
16import java.awt.Point;
17import java.awt.Rectangle;
18import java.awt.event.MouseAdapter;
19import java.awt.event.MouseEvent;
20import java.awt.image.BufferedImage;
21import java.beans.PropertyChangeEvent;
22import java.beans.PropertyChangeListener;
23import java.io.File;
24import java.io.IOException;
25import java.text.ParseException;
26import java.util.ArrayList;
27import java.util.Arrays;
28import java.util.Collection;
29import java.util.Collections;
30import java.util.HashSet;
31import java.util.LinkedHashSet;
32import java.util.LinkedList;
33import java.util.List;
34
35import javax.swing.Action;
36import javax.swing.Icon;
37import javax.swing.JLabel;
38import javax.swing.JOptionPane;
39import javax.swing.SwingConstants;
40
41import org.openstreetmap.josm.Main;
42import org.openstreetmap.josm.actions.RenameLayerAction;
43import org.openstreetmap.josm.actions.mapmode.MapMode;
44import org.openstreetmap.josm.actions.mapmode.SelectAction;
45import org.openstreetmap.josm.data.Bounds;
46import org.openstreetmap.josm.data.coor.LatLon;
47import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
48import org.openstreetmap.josm.gui.ExtendedDialog;
49import org.openstreetmap.josm.gui.MapFrame;
50import org.openstreetmap.josm.gui.MapFrame.MapModeChangeListener;
51import org.openstreetmap.josm.gui.MapView;
52import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
53import org.openstreetmap.josm.gui.NavigatableComponent;
54import org.openstreetmap.josm.gui.PleaseWaitRunnable;
55import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
56import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
57import org.openstreetmap.josm.gui.layer.GpxLayer;
58import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToMarkerLayer;
59import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToNextMarker;
60import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToPreviousMarker;
61import org.openstreetmap.josm.gui.layer.Layer;
62import org.openstreetmap.josm.tools.ExifReader;
63import org.openstreetmap.josm.tools.ImageProvider;
64
65import com.drew.imaging.jpeg.JpegMetadataReader;
66import com.drew.lang.CompoundException;
67import com.drew.metadata.Directory;
68import com.drew.metadata.Metadata;
69import com.drew.metadata.MetadataException;
70import com.drew.metadata.exif.ExifIFD0Directory;
71import com.drew.metadata.exif.GpsDirectory;
72
73/**
74 * Layer displaying geottaged pictures.
75 */
76public class GeoImageLayer extends Layer implements PropertyChangeListener, JumpToMarkerLayer {
77
78 List<ImageEntry> data;
79 GpxLayer gpxLayer;
80
81 private Icon icon = ImageProvider.get("dialogs/geoimage/photo-marker");
82 private Icon selectedIcon = ImageProvider.get("dialogs/geoimage/photo-marker-selected");
83
84 private int currentPhoto = -1;
85
86 boolean useThumbs = false;
87 ThumbsLoader thumbsloader;
88 boolean thumbsLoaded = false;
89 private BufferedImage offscreenBuffer;
90 boolean updateOffscreenBuffer = true;
91
92 /** Loads a set of images, while displaying a dialog that indicates what the plugin is currently doing.
93 * In facts, this object is instantiated with a list of files. These files may be JPEG files or
94 * directories. In case of directories, they are scanned to find all the images they contain.
95 * Then all the images that have be found are loaded as ImageEntry instances.
96 */
97 private static final class Loader extends PleaseWaitRunnable {
98
99 private boolean canceled = false;
100 private GeoImageLayer layer;
101 private Collection<File> selection;
102 private HashSet<String> loadedDirectories = new HashSet<String>();
103 private LinkedHashSet<String> errorMessages;
104 private GpxLayer gpxLayer;
105
106 protected void rememberError(String message) {
107 this.errorMessages.add(message);
108 }
109
110 public Loader(Collection<File> selection, GpxLayer gpxLayer) {
111 super(tr("Extracting GPS locations from EXIF"));
112 this.selection = selection;
113 this.gpxLayer = gpxLayer;
114 errorMessages = new LinkedHashSet<String>();
115 }
116
117 @Override protected void realRun() throws IOException {
118
119 progressMonitor.subTask(tr("Starting directory scan"));
120 Collection<File> files = new ArrayList<File>();
121 try {
122 addRecursiveFiles(files, selection);
123 } catch(NullPointerException npe) {
124 rememberError(tr("One of the selected files was null"));
125 }
126
127 if (canceled)
128 return;
129 progressMonitor.subTask(tr("Read photos..."));
130 progressMonitor.setTicksCount(files.size());
131
132 progressMonitor.subTask(tr("Read photos..."));
133 progressMonitor.setTicksCount(files.size());
134
135 // read the image files
136 List<ImageEntry> data = new ArrayList<ImageEntry>(files.size());
137
138 for (File f : files) {
139
140 if (canceled) {
141 break;
142 }
143
144 progressMonitor.subTask(tr("Reading {0}...", f.getName()));
145 progressMonitor.worked(1);
146
147 ImageEntry e = new ImageEntry();
148
149 // Changed to silently cope with no time info in exif. One case
150 // of person having time that couldn't be parsed, but valid GPS info
151
152 try {
153 e.setExifTime(ExifReader.readTime(f));
154 } catch (ParseException e1) {
155 e.setExifTime(null);
156 }
157 e.setFile(f);
158 extractExif(e);
159 data.add(e);
160 }
161 layer = new GeoImageLayer(data, gpxLayer);
162 files.clear();
163 }
164
165 private void addRecursiveFiles(Collection<File> files, Collection<File> sel) {
166 boolean nullFile = false;
167
168 for (File f : sel) {
169
170 if(canceled) {
171 break;
172 }
173
174 if (f == null) {
175 nullFile = true;
176
177 } else if (f.isDirectory()) {
178 String canonical = null;
179 try {
180 canonical = f.getCanonicalPath();
181 } catch (IOException e) {
182 e.printStackTrace();
183 rememberError(tr("Unable to get canonical path for directory {0}\n",
184 f.getAbsolutePath()));
185 }
186
187 if (canonical == null || loadedDirectories.contains(canonical)) {
188 continue;
189 } else {
190 loadedDirectories.add(canonical);
191 }
192
193 Collection<File> children = Arrays.asList(f.listFiles(JpegFileFilter.getInstance()));
194 if (children != null) {
195 progressMonitor.subTask(tr("Scanning directory {0}", f.getPath()));
196 try {
197 addRecursiveFiles(files, children);
198 } catch(NullPointerException npe) {
199 npe.printStackTrace();
200 rememberError(tr("Found null file in directory {0}\n", f.getPath()));
201 }
202 } else {
203 rememberError(tr("Error while getting files from directory {0}\n", f.getPath()));
204 }
205
206 } else {
207 files.add(f);
208 }
209 }
210
211 if (nullFile)
212 throw new NullPointerException();
213 }
214
215 protected String formatErrorMessages() {
216 StringBuilder sb = new StringBuilder();
217 sb.append("<html>");
218 if (errorMessages.size() == 1) {
219 sb.append(errorMessages.iterator().next());
220 } else {
221 sb.append("<ul>");
222 for (String msg: errorMessages) {
223 sb.append("<li>").append(msg).append("</li>");
224 }
225 sb.append("/ul>");
226 }
227 sb.append("</html>");
228 return sb.toString();
229 }
230
231 @Override protected void finish() {
232 if (!errorMessages.isEmpty()) {
233 JOptionPane.showMessageDialog(
234 Main.parent,
235 formatErrorMessages(),
236 tr("Error"),
237 JOptionPane.ERROR_MESSAGE
238 );
239 }
240 if (layer != null) {
241 Main.main.addLayer(layer);
242
243 if (!canceled && !layer.data.isEmpty()) {
244 boolean noGeotagFound = true;
245 for (ImageEntry e : layer.data) {
246 if (e.getPos() != null) {
247 noGeotagFound = false;
248 }
249 }
250 if (noGeotagFound) {
251 new CorrelateGpxWithImages(layer).actionPerformed(null);
252 }
253 }
254 }
255 }
256
257 @Override protected void cancel() {
258 canceled = true;
259 }
260 }
261
262 public static void create(Collection<File> files, GpxLayer gpxLayer) {
263 Loader loader = new Loader(files, gpxLayer);
264 Main.worker.execute(loader);
265 }
266
267 /**
268 * Constructs a new {@code GeoImageLayer}.
269 * @param data The list of images to display
270 * @param gpxLayer The associated GPX layer
271 */
272 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer) {
273 super(tr("Geotagged Images"));
274
275 Collections.sort(data);
276 this.data = data;
277 this.gpxLayer = gpxLayer;
278 }
279
280 @Override
281 public Icon getIcon() {
282 return ImageProvider.get("dialogs/geoimage");
283 }
284
285 private static List<Action> menuAdditions = new LinkedList<Action>();
286 public static void registerMenuAddition(Action addition) {
287 menuAdditions.add(addition);
288 }
289
290 @Override
291 public Action[] getMenuEntries() {
292
293 List<Action> entries = new ArrayList<Action>();
294 entries.add(LayerListDialog.getInstance().createShowHideLayerAction());
295 entries.add(LayerListDialog.getInstance().createDeleteLayerAction());
296 entries.add(new RenameLayerAction(null, this));
297 entries.add(SeparatorLayerAction.INSTANCE);
298 entries.add(new CorrelateGpxWithImages(this));
299 if (!menuAdditions.isEmpty()) {
300 entries.add(SeparatorLayerAction.INSTANCE);
301 entries.addAll(menuAdditions);
302 }
303 entries.add(SeparatorLayerAction.INSTANCE);
304 entries.add(new JumpToNextMarker(this));
305 entries.add(new JumpToPreviousMarker(this));
306 entries.add(SeparatorLayerAction.INSTANCE);
307 entries.add(new LayerListPopup.InfoAction(this));
308
309 return entries.toArray(new Action[entries.size()]);
310
311 }
312
313 private String infoText() {
314 int i = 0;
315 for (ImageEntry e : data)
316 if (e.getPos() != null) {
317 i++;
318 }
319 return trn("{0} image loaded.", "{0} images loaded.", data.size(), data.size())
320 + " " + trn("{0} was found to be GPS tagged.", "{0} were found to be GPS tagged.", i, i);
321 }
322
323 @Override public Object getInfoComponent() {
324 return infoText();
325 }
326
327 @Override
328 public String getToolTipText() {
329 return infoText();
330 }
331
332 @Override
333 public boolean isMergable(Layer other) {
334 return other instanceof GeoImageLayer;
335 }
336
337 @Override
338 public void mergeFrom(Layer from) {
339 GeoImageLayer l = (GeoImageLayer) from;
340
341 ImageEntry selected = null;
342 if (l.currentPhoto >= 0) {
343 selected = l.data.get(l.currentPhoto);
344 }
345
346 data.addAll(l.data);
347 Collections.sort(data);
348
349 // Supress the double photos.
350 if (data.size() > 1) {
351 ImageEntry cur;
352 ImageEntry prev = data.get(data.size() - 1);
353 for (int i = data.size() - 2; i >= 0; i--) {
354 cur = data.get(i);
355 if (cur.getFile().equals(prev.getFile())) {
356 data.remove(i);
357 } else {
358 prev = cur;
359 }
360 }
361 }
362
363 if (selected != null) {
364 for (int i = 0; i < data.size() ; i++) {
365 if (data.get(i) == selected) {
366 currentPhoto = i;
367 ImageViewerDialog.showImage(GeoImageLayer.this, data.get(i));
368 break;
369 }
370 }
371 }
372
373 setName(l.getName());
374 }
375
376 private Dimension scaledDimension(Image thumb) {
377 final double d = Main.map.mapView.getDist100Pixel();
378 final double size = 10 /*meter*/; /* size of the photo on the map */
379 double s = size * 100 /*px*/ / d;
380
381 final double sMin = ThumbsLoader.minSize;
382 final double sMax = ThumbsLoader.maxSize;
383
384 if (s < sMin) {
385 s = sMin;
386 }
387 if (s > sMax) {
388 s = sMax;
389 }
390 final double f = s / sMax; /* scale factor */
391
392 if (thumb == null)
393 return null;
394
395 return new Dimension(
396 (int) Math.round(f * thumb.getWidth(null)),
397 (int) Math.round(f * thumb.getHeight(null)));
398 }
399
400 @Override
401 public void paint(Graphics2D g, MapView mv, Bounds bounds) {
402 int width = mv.getWidth();
403 int height = mv.getHeight();
404 Rectangle clip = g.getClipBounds();
405 if (useThumbs) {
406 if (null == offscreenBuffer || offscreenBuffer.getWidth() != width // reuse the old buffer if possible
407 || offscreenBuffer.getHeight() != height) {
408 offscreenBuffer = new BufferedImage(width, height,
409 BufferedImage.TYPE_INT_ARGB);
410 updateOffscreenBuffer = true;
411 }
412
413 if (updateOffscreenBuffer) {
414 Graphics2D tempG = offscreenBuffer.createGraphics();
415 tempG.setColor(new Color(0,0,0,0));
416 Composite saveComp = tempG.getComposite();
417 tempG.setComposite(AlphaComposite.Clear); // remove the old images
418 tempG.fillRect(0, 0, width, height);
419 tempG.setComposite(saveComp);
420
421 for (ImageEntry e : data) {
422 if (e.getPos() == null) {
423 continue;
424 }
425 Point p = mv.getPoint(e.getPos());
426 if (e.thumbnail != null) {
427 Dimension d = scaledDimension(e.thumbnail);
428 Rectangle target = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
429 if (clip.intersects(target)) {
430 tempG.drawImage(e.thumbnail, target.x, target.y, target.width, target.height, null);
431 }
432 }
433 else { // thumbnail not loaded yet
434 icon.paintIcon(mv, tempG,
435 p.x - icon.getIconWidth() / 2,
436 p.y - icon.getIconHeight() / 2);
437 }
438 }
439 updateOffscreenBuffer = false;
440 }
441 g.drawImage(offscreenBuffer, 0, 0, null);
442 }
443 else {
444 for (ImageEntry e : data) {
445 if (e.getPos() == null) {
446 continue;
447 }
448 Point p = mv.getPoint(e.getPos());
449 icon.paintIcon(mv, g,
450 p.x - icon.getIconWidth() / 2,
451 p.y - icon.getIconHeight() / 2);
452 }
453 }
454
455 if (currentPhoto >= 0 && currentPhoto < data.size()) {
456 ImageEntry e = data.get(currentPhoto);
457
458 if (e.getPos() != null) {
459 Point p = mv.getPoint(e.getPos());
460
461 if (e.thumbnail != null) {
462 Dimension d = scaledDimension(e.thumbnail);
463 g.setColor(new Color(128, 0, 0, 122));
464 g.fillRect(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
465 } else {
466 if (e.getExifImgDir() != null) {
467 double arrowlength = 25;
468 double arrowwidth = 18;
469
470 double dir = e.getExifImgDir();
471 // Rotate 90 degrees CCW
472 double headdir = ( dir < 90 ) ? dir + 270 : dir - 90;
473 double leftdir = ( headdir < 90 ) ? headdir + 270 : headdir - 90;
474 double rightdir = ( headdir > 270 ) ? headdir - 270 : headdir + 90;
475
476 double ptx = p.x + Math.cos(Math.toRadians(headdir)) * arrowlength;
477 double pty = p.y + Math.sin(Math.toRadians(headdir)) * arrowlength;
478
479 double ltx = p.x + Math.cos(Math.toRadians(leftdir)) * arrowwidth/2;
480 double lty = p.y + Math.sin(Math.toRadians(leftdir)) * arrowwidth/2;
481
482 double rtx = p.x + Math.cos(Math.toRadians(rightdir)) * arrowwidth/2;
483 double rty = p.y + Math.sin(Math.toRadians(rightdir)) * arrowwidth/2;
484
485 g.setColor(Color.white);
486 int[] xar = {(int) ltx, (int) ptx, (int) rtx, (int) ltx};
487 int[] yar = {(int) lty, (int) pty, (int) rty, (int) lty};
488 g.fillPolygon(xar, yar, 4);
489 }
490
491 selectedIcon.paintIcon(mv, g,
492 p.x - selectedIcon.getIconWidth() / 2,
493 p.y - selectedIcon.getIconHeight() / 2);
494
495 }
496 }
497 }
498 }
499
500 @Override
501 public void visitBoundingBox(BoundingXYVisitor v) {
502 for (ImageEntry e : data) {
503 v.visit(e.getPos());
504 }
505 }
506
507 /**
508 * Extract GPS metadata from image EXIF
509 *
510 * If successful, fills in the LatLon and EastNorth attributes of passed in image
511 */
512 private static void extractExif(ImageEntry e) {
513
514 Metadata metadata;
515 Directory dirExif;
516 GpsDirectory dirGps;
517
518 try {
519 metadata = JpegMetadataReader.readMetadata(e.getFile());
520 dirExif = metadata.getDirectory(ExifIFD0Directory.class);
521 dirGps = metadata.getDirectory(GpsDirectory.class);
522 } catch (CompoundException p) {
523 e.setExifCoor(null);
524 e.setPos(null);
525 return;
526 } catch (IOException p) {
527 e.setExifCoor(null);
528 e.setPos(null);
529 return;
530 }
531
532 try {
533 int orientation = dirExif.getInt(ExifIFD0Directory.TAG_ORIENTATION);
534 e.setExifOrientation(orientation);
535 } catch (MetadataException ex) {
536 }
537
538 if (dirGps == null) {
539 e.setExifCoor(null);
540 e.setPos(null);
541 return;
542 }
543
544 try {
545 double ele = dirGps.getDouble(GpsDirectory.TAG_GPS_ALTITUDE);
546 int d = dirGps.getInt(GpsDirectory.TAG_GPS_ALTITUDE_REF);
547 if (d == 1) {
548 ele *= -1;
549 }
550 e.setElevation(ele);
551 } catch (MetadataException ex) {
552 }
553
554 try {
555 LatLon latlon = ExifReader.readLatLon(dirGps);
556 e.setExifCoor(latlon);
557 e.setPos(e.getExifCoor());
558
559 } catch (Exception ex) { // (other exceptions, e.g. #5271)
560 Main.error("Error reading EXIF from file: "+ex);
561 e.setExifCoor(null);
562 e.setPos(null);
563 }
564
565 try {
566 Double direction = ExifReader.readDirection(dirGps);
567 if (direction != null) {
568 e.setExifImgDir(direction.doubleValue());
569 }
570 } catch (Exception ex) { // (CompoundException and other exceptions, e.g. #5271)
571 // Do nothing
572 }
573 }
574
575 public void showNextPhoto() {
576 if (data != null && data.size() > 0) {
577 currentPhoto++;
578 if (currentPhoto >= data.size()) {
579 currentPhoto = data.size() - 1;
580 }
581 ImageViewerDialog.showImage(this, data.get(currentPhoto));
582 } else {
583 currentPhoto = -1;
584 }
585 Main.map.repaint();
586 }
587
588 public void showPreviousPhoto() {
589 if (data != null && !data.isEmpty()) {
590 currentPhoto--;
591 if (currentPhoto < 0) {
592 currentPhoto = 0;
593 }
594 ImageViewerDialog.showImage(this, data.get(currentPhoto));
595 } else {
596 currentPhoto = -1;
597 }
598 Main.map.repaint();
599 }
600
601 public void checkPreviousNextButtons() {
602 ImageViewerDialog.setNextEnabled(currentPhoto < data.size() - 1);
603 ImageViewerDialog.setPreviousEnabled(currentPhoto > 0);
604 }
605
606 public void removeCurrentPhoto() {
607 if (data != null && data.size() > 0 && currentPhoto >= 0 && currentPhoto < data.size()) {
608 data.remove(currentPhoto);
609 if (currentPhoto >= data.size()) {
610 currentPhoto = data.size() - 1;
611 }
612 if (currentPhoto >= 0) {
613 ImageViewerDialog.showImage(this, data.get(currentPhoto));
614 } else {
615 ImageViewerDialog.showImage(this, null);
616 }
617 updateOffscreenBuffer = true;
618 Main.map.repaint();
619 }
620 }
621
622 public void removeCurrentPhotoFromDisk() {
623 ImageEntry toDelete = null;
624 if (data != null && data.size() > 0 && currentPhoto >= 0 && currentPhoto < data.size()) {
625 toDelete = data.get(currentPhoto);
626
627 int result = new ExtendedDialog(
628 Main.parent,
629 tr("Delete image file from disk"),
630 new String[] {tr("Cancel"), tr("Delete")})
631 .setButtonIcons(new String[] {"cancel.png", "dialogs/delete.png"})
632 .setContent(new JLabel(tr("<html><h3>Delete the file {0} from disk?<p>The image file will be permanently lost!</h3></html>"
633 ,toDelete.getFile().getName()), ImageProvider.get("dialogs/geoimage/deletefromdisk"),SwingConstants.LEFT))
634 .toggleEnable("geoimage.deleteimagefromdisk")
635 .setCancelButton(1)
636 .setDefaultButton(2)
637 .showDialog()
638 .getValue();
639
640 if(result == 2)
641 {
642 data.remove(currentPhoto);
643 if (currentPhoto >= data.size()) {
644 currentPhoto = data.size() - 1;
645 }
646 if (currentPhoto >= 0) {
647 ImageViewerDialog.showImage(this, data.get(currentPhoto));
648 } else {
649 ImageViewerDialog.showImage(this, null);
650 }
651
652 if (toDelete.getFile().delete()) {
653 Main.info("File "+toDelete.getFile().toString()+" deleted. ");
654 } else {
655 JOptionPane.showMessageDialog(
656 Main.parent,
657 tr("Image file could not be deleted."),
658 tr("Error"),
659 JOptionPane.ERROR_MESSAGE
660 );
661 }
662
663 updateOffscreenBuffer = true;
664 Main.map.repaint();
665 }
666 }
667 }
668
669 private MouseAdapter mouseAdapter = null;
670 private MapModeChangeListener mapModeListener = null;
671
672 @Override
673 public void hookUpMapView() {
674 mouseAdapter = new MouseAdapter() {
675 private final boolean isMapModeOk() {
676 return Main.map.mapMode == null || Main.map.mapMode instanceof SelectAction;
677 }
678 @Override public void mousePressed(MouseEvent e) {
679
680 if (e.getButton() != MouseEvent.BUTTON1)
681 return;
682 if (isVisible() && isMapModeOk()) {
683 Main.map.mapView.repaint();
684 }
685 }
686
687 @Override public void mouseReleased(MouseEvent ev) {
688 if (ev.getButton() != MouseEvent.BUTTON1)
689 return;
690 if (data == null || !isVisible() || !isMapModeOk())
691 return;
692
693 for (int i = data.size() - 1; i >= 0; --i) {
694 ImageEntry e = data.get(i);
695 if (e.getPos() == null) {
696 continue;
697 }
698 Point p = Main.map.mapView.getPoint(e.getPos());
699 Rectangle r;
700 if (e.thumbnail != null) {
701 Dimension d = scaledDimension(e.thumbnail);
702 r = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
703 } else {
704 r = new Rectangle(p.x - icon.getIconWidth() / 2,
705 p.y - icon.getIconHeight() / 2,
706 icon.getIconWidth(),
707 icon.getIconHeight());
708 }
709 if (r.contains(ev.getPoint())) {
710 currentPhoto = i;
711 ImageViewerDialog.showImage(GeoImageLayer.this, e);
712 Main.map.repaint();
713 break;
714 }
715 }
716 }
717 };
718
719 mapModeListener = new MapModeChangeListener() {
720 @Override
721 public void mapModeChange(MapMode oldMapMode, MapMode newMapMode) {
722 if (newMapMode == null || (newMapMode instanceof org.openstreetmap.josm.actions.mapmode.SelectAction)) {
723 Main.map.mapView.addMouseListener(mouseAdapter);
724 } else {
725 Main.map.mapView.removeMouseListener(mouseAdapter);
726 }
727 }
728 };
729
730 MapFrame.addMapModeChangeListener(mapModeListener);
731 mapModeListener.mapModeChange(null, Main.map.mapMode);
732
733 MapView.addLayerChangeListener(new LayerChangeListener() {
734 @Override
735 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
736 if (newLayer == GeoImageLayer.this) {
737 // only in select mode it is possible to click the images
738 Main.map.selectSelectTool(false);
739 }
740 }
741
742 @Override
743 public void layerAdded(Layer newLayer) {
744 }
745
746 @Override
747 public void layerRemoved(Layer oldLayer) {
748 if (oldLayer == GeoImageLayer.this) {
749 if (thumbsloader != null) {
750 thumbsloader.stop = true;
751 }
752 Main.map.mapView.removeMouseListener(mouseAdapter);
753 MapFrame.removeMapModeChangeListener(mapModeListener);
754 currentPhoto = -1;
755 data.clear();
756 data = null;
757 // stop listening to layer change events
758 MapView.removeLayerChangeListener(this);
759 }
760 }
761 });
762
763 Main.map.mapView.addPropertyChangeListener(this);
764 if (Main.map.getToggleDialog(ImageViewerDialog.class) == null) {
765 ImageViewerDialog.newInstance();
766 Main.map.addToggleDialog(ImageViewerDialog.getInstance());
767 }
768 }
769
770 @Override
771 public void propertyChange(PropertyChangeEvent evt) {
772 if (NavigatableComponent.PROPNAME_CENTER.equals(evt.getPropertyName()) || NavigatableComponent.PROPNAME_SCALE.equals(evt.getPropertyName())) {
773 updateOffscreenBuffer = true;
774 }
775 }
776
777 public void loadThumbs() {
778 if (useThumbs && !thumbsLoaded) {
779 thumbsLoaded = true;
780 thumbsloader = new ThumbsLoader(this);
781 Thread t = new Thread(thumbsloader);
782 t.setPriority(Thread.MIN_PRIORITY);
783 t.start();
784 }
785 }
786
787 public void updateBufferAndRepaint() {
788 updateOffscreenBuffer = true;
789 Main.map.mapView.repaint();
790 }
791
792 public List<ImageEntry> getImages() {
793 List<ImageEntry> copy = new ArrayList<ImageEntry>(data.size());
794 for (ImageEntry ie : data) {
795 copy.add(ie.clone());
796 }
797 return copy;
798 }
799
800 /**
801 * Returns the associated GPX layer.
802 * @return The associated GPX layer
803 */
804 public GpxLayer getGpxLayer() {
805 return gpxLayer;
806 }
807
808 @Override
809 public void jumpToNextMarker() {
810 showNextPhoto();
811 }
812
813 @Override
814 public void jumpToPreviousMarker() {
815 showPreviousPhoto();
816 }
817}
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