source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/GeoImageLayer.java@ 4751

Last change on this file since 4751 was 4751, checked in by jttt, 12 years ago

Extend Jump to next/previous marker to georefimage layer and made it easily possible to add jumping to any layer where it makes sense
  • Property svn:eol-style set to native
File size: 29.7 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.data.Bounds;
45import org.openstreetmap.josm.data.coor.LatLon;
46import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
47import org.openstreetmap.josm.gui.ExtendedDialog;
48import org.openstreetmap.josm.gui.MapFrame;
49import org.openstreetmap.josm.gui.MapFrame.MapModeChangeListener;
50import org.openstreetmap.josm.gui.MapView;
51import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
52import org.openstreetmap.josm.gui.NavigatableComponent;
53import org.openstreetmap.josm.gui.PleaseWaitRunnable;
54import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
55import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
56import org.openstreetmap.josm.gui.layer.GpxLayer;
57import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToMarkerLayer;
58import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToNextMarker;
59import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToPreviousMarker;
60import org.openstreetmap.josm.gui.layer.Layer;
61import org.openstreetmap.josm.tools.ExifReader;
62import org.openstreetmap.josm.tools.ImageProvider;
63
64import com.drew.imaging.jpeg.JpegMetadataReader;
65import com.drew.lang.CompoundException;
66import com.drew.lang.Rational;
67import com.drew.metadata.Directory;
68import com.drew.metadata.Metadata;
69import com.drew.metadata.MetadataException;
70import com.drew.metadata.exif.ExifDirectory;
71import com.drew.metadata.exif.GpsDirectory;
72
73public class GeoImageLayer extends Layer implements PropertyChangeListener, JumpToMarkerLayer {
74
75 List<ImageEntry> data;
76 GpxLayer gpxLayer;
77
78 private Icon icon = ImageProvider.get("dialogs/geoimage/photo-marker");
79 private Icon selectedIcon = ImageProvider.get("dialogs/geoimage/photo-marker-selected");
80
81 private int currentPhoto = -1;
82
83 boolean useThumbs = false;
84 ThumbsLoader thumbsloader;
85 boolean thumbsLoaded = false;
86 private BufferedImage offscreenBuffer;
87 boolean updateOffscreenBuffer = true;
88
89 /** Loads a set of images, while displaying a dialog that indicates what the plugin is currently doing.
90 * In facts, this object is instantiated with a list of files. These files may be JPEG files or
91 * directories. In case of directories, they are scanned to find all the images they contain.
92 * Then all the images that have be found are loaded as ImageEntry instances.
93 */
94 private static final class Loader extends PleaseWaitRunnable {
95
96 private boolean canceled = false;
97 private GeoImageLayer layer;
98 private Collection<File> selection;
99 private HashSet<String> loadedDirectories = new HashSet<String>();
100 private LinkedHashSet<String> errorMessages;
101 private GpxLayer gpxLayer;
102
103 protected void rememberError(String message) {
104 this.errorMessages.add(message);
105 }
106
107 public Loader(Collection<File> selection, GpxLayer gpxLayer) {
108 super(tr("Extracting GPS locations from EXIF"));
109 this.selection = selection;
110 this.gpxLayer = gpxLayer;
111 errorMessages = new LinkedHashSet<String>();
112 }
113
114 @Override protected void realRun() throws IOException {
115
116 progressMonitor.subTask(tr("Starting directory scan"));
117 Collection<File> files = new ArrayList<File>();
118 try {
119 addRecursiveFiles(files, selection);
120 } catch(NullPointerException npe) {
121 rememberError(tr("One of the selected files was null"));
122 }
123
124 if (canceled)
125 return;
126 progressMonitor.subTask(tr("Read photos..."));
127 progressMonitor.setTicksCount(files.size());
128
129 progressMonitor.subTask(tr("Read photos..."));
130 progressMonitor.setTicksCount(files.size());
131
132 // read the image files
133 List<ImageEntry> data = new ArrayList<ImageEntry>(files.size());
134
135 for (File f : files) {
136
137 if (canceled) {
138 break;
139 }
140
141 progressMonitor.subTask(tr("Reading {0}...", f.getName()));
142 progressMonitor.worked(1);
143
144 ImageEntry e = new ImageEntry();
145
146 // Changed to silently cope with no time info in exif. One case
147 // of person having time that couldn't be parsed, but valid GPS info
148
149 try {
150 e.setExifTime(ExifReader.readTime(f));
151 } catch (ParseException e1) {
152 e.setExifTime(null);
153 }
154 e.setFile(f);
155 extractExif(e);
156 data.add(e);
157 }
158 layer = new GeoImageLayer(data, gpxLayer);
159 files.clear();
160 }
161
162 private void addRecursiveFiles(Collection<File> files, Collection<File> sel) {
163 boolean nullFile = false;
164
165 for (File f : sel) {
166
167 if(canceled) {
168 break;
169 }
170
171 if (f == null) {
172 nullFile = true;
173
174 } else if (f.isDirectory()) {
175 String canonical = null;
176 try {
177 canonical = f.getCanonicalPath();
178 } catch (IOException e) {
179 e.printStackTrace();
180 rememberError(tr("Unable to get canonical path for directory {0}\n",
181 f.getAbsolutePath()));
182 }
183
184 if (canonical == null || loadedDirectories.contains(canonical)) {
185 continue;
186 } else {
187 loadedDirectories.add(canonical);
188 }
189
190 Collection<File> children = Arrays.asList(f.listFiles(JpegFileFilter.getInstance()));
191 if (children != null) {
192 progressMonitor.subTask(tr("Scanning directory {0}", f.getPath()));
193 try {
194 addRecursiveFiles(files, children);
195 } catch(NullPointerException npe) {
196 npe.printStackTrace();
197 rememberError(tr("Found null file in directory {0}\n", f.getPath()));
198 }
199 } else {
200 rememberError(tr("Error while getting files from directory {0}\n", f.getPath()));
201 }
202
203 } else {
204 files.add(f);
205 }
206 }
207
208 if (nullFile)
209 throw new NullPointerException();
210 }
211
212 protected String formatErrorMessages() {
213 StringBuilder sb = new StringBuilder();
214 sb.append("<html>");
215 if (errorMessages.size() == 1) {
216 sb.append(errorMessages.iterator().next());
217 } else {
218 sb.append("<ul>");
219 for (String msg: errorMessages) {
220 sb.append("<li>").append(msg).append("</li>");
221 }
222 sb.append("/ul>");
223 }
224 sb.append("</html>");
225 return sb.toString();
226 }
227
228 @Override protected void finish() {
229 if (!errorMessages.isEmpty()) {
230 JOptionPane.showMessageDialog(
231 Main.parent,
232 formatErrorMessages(),
233 tr("Error"),
234 JOptionPane.ERROR_MESSAGE
235 );
236 }
237 if (layer != null) {
238 Main.main.addLayer(layer);
239 layer.hook_up_mouse_events(); // Main.map.mapView should exist
240 // now. Can add mouse listener
241 Main.map.mapView.addPropertyChangeListener(layer);
242 if (Main.map.getToggleDialog(ImageViewerDialog.class) == null) {
243 ImageViewerDialog.newInstance();
244 Main.map.addToggleDialog(ImageViewerDialog.getInstance());
245 }
246
247 if (! canceled && layer.data.size() > 0) {
248 boolean noGeotagFound = true;
249 for (ImageEntry e : layer.data) {
250 if (e.getPos() != null) {
251 noGeotagFound = false;
252 }
253 }
254 if (noGeotagFound) {
255 new CorrelateGpxWithImages(layer).actionPerformed(null);
256 }
257 }
258 }
259 }
260
261 @Override protected void cancel() {
262 canceled = true;
263 }
264 }
265
266 public static void create(Collection<File> files, GpxLayer gpxLayer) {
267 Loader loader = new Loader(files, gpxLayer);
268 Main.worker.execute(loader);
269 }
270
271 private GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer) {
272
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[0]);
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 = Main.map.mapView.getWidth();
403 int height = Main.map.mapView.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 from image exif
509 *
510 * If successful, fills in the LatLon and EastNorth attributes of passed in
511 * image;
512 */
513
514 private static void extractExif(ImageEntry e) {
515
516 double deg;
517 double min, sec;
518 double lon, lat;
519 Metadata metadata = null;
520 Directory dirExif = null, dirGps = null;
521
522 try {
523 metadata = JpegMetadataReader.readMetadata(e.getFile());
524 dirExif = metadata.getDirectory(ExifDirectory.class);
525 dirGps = metadata.getDirectory(GpsDirectory.class);
526 } catch (CompoundException p) {
527 e.setExifCoor(null);
528 e.setPos(null);
529 return;
530 }
531
532 try {
533 int orientation = dirExif.getInt(ExifDirectory.TAG_ORIENTATION);
534 e.setExifOrientation(orientation);
535 } catch (MetadataException ex) {
536 }
537
538 try {
539 // longitude
540
541 Rational[] components = dirGps.getRationalArray(GpsDirectory.TAG_GPS_LONGITUDE);
542
543 deg = components[0].doubleValue();
544 min = components[1].doubleValue();
545 sec = components[2].doubleValue();
546
547 if (Double.isNaN(deg) && Double.isNaN(min) && Double.isNaN(sec))
548 throw new IllegalArgumentException();
549
550 lon = (Double.isNaN(deg) ? 0 : deg + (Double.isNaN(min) ? 0 : (min / 60)) + (Double.isNaN(sec) ? 0 : (sec / 3600)));
551
552 if (dirGps.getString(GpsDirectory.TAG_GPS_LONGITUDE_REF).charAt(0) == 'W') {
553 lon = -lon;
554 }
555
556 // latitude
557
558 components = dirGps.getRationalArray(GpsDirectory.TAG_GPS_LATITUDE);
559
560 deg = components[0].doubleValue();
561 min = components[1].doubleValue();
562 sec = components[2].doubleValue();
563
564 if (Double.isNaN(deg) && Double.isNaN(min) && Double.isNaN(sec))
565 throw new IllegalArgumentException();
566
567 lat = (Double.isNaN(deg) ? 0 : deg + (Double.isNaN(min) ? 0 : (min / 60)) + (Double.isNaN(sec) ? 0 : (sec / 3600)));
568
569 if (Double.isNaN(lat))
570 throw new IllegalArgumentException();
571
572 if (dirGps.getString(GpsDirectory.TAG_GPS_LATITUDE_REF).charAt(0) == 'S') {
573 lat = -lat;
574 }
575
576 // Store values
577
578 e.setExifCoor(new LatLon(lat, lon));
579 e.setPos(e.getExifCoor());
580
581 } catch (CompoundException p) {
582 // Try to read lon/lat as double value (Nonstandard, created by some cameras -> #5220)
583 try {
584 Double longitude = dirGps.getDouble(GpsDirectory.TAG_GPS_LONGITUDE);
585 Double latitude = dirGps.getDouble(GpsDirectory.TAG_GPS_LATITUDE);
586 if (longitude == null || latitude == null)
587 throw new CompoundException("");
588
589 // Store values
590
591 e.setExifCoor(new LatLon(latitude, longitude));
592 e.setPos(e.getExifCoor());
593 } catch (CompoundException ex) {
594 e.setExifCoor(null);
595 e.setPos(null);
596 }
597 } catch (Exception ex) { // (other exceptions, e.g. #5271)
598 System.err.println("Error when reading EXIF from file: "+ex);
599 e.setExifCoor(null);
600 e.setPos(null);
601 }
602
603 // compass direction value
604
605 Rational direction = null;
606
607 try {
608 direction = dirGps.getRational(GpsDirectory.TAG_GPS_IMG_DIRECTION);
609 if (direction != null) {
610 e.setExifImgDir(direction.doubleValue());
611 }
612 } catch (Exception ex) { // (CompoundException and other exceptions, e.g. #5271)
613 // Do nothing
614 }
615 }
616
617 public void showNextPhoto() {
618 if (data != null && data.size() > 0) {
619 currentPhoto++;
620 if (currentPhoto >= data.size()) {
621 currentPhoto = data.size() - 1;
622 }
623 ImageViewerDialog.showImage(this, data.get(currentPhoto));
624 } else {
625 currentPhoto = -1;
626 }
627 Main.map.repaint();
628 }
629
630 public void showPreviousPhoto() {
631 if (data != null && data.size() > 0) {
632 currentPhoto--;
633 if (currentPhoto < 0) {
634 currentPhoto = 0;
635 }
636 ImageViewerDialog.showImage(this, data.get(currentPhoto));
637 } else {
638 currentPhoto = -1;
639 }
640 Main.map.repaint();
641 }
642
643 public void checkPreviousNextButtons() {
644 ImageViewerDialog.setNextEnabled(currentPhoto < data.size() - 1);
645 ImageViewerDialog.setPreviousEnabled(currentPhoto > 0);
646 }
647
648 public void removeCurrentPhoto() {
649 if (data != null && data.size() > 0 && currentPhoto >= 0 && currentPhoto < data.size()) {
650 data.remove(currentPhoto);
651 if (currentPhoto >= data.size()) {
652 currentPhoto = data.size() - 1;
653 }
654 if (currentPhoto >= 0) {
655 ImageViewerDialog.showImage(this, data.get(currentPhoto));
656 } else {
657 ImageViewerDialog.showImage(this, null);
658 }
659 updateOffscreenBuffer = true;
660 Main.map.repaint();
661 }
662 }
663
664 public void removeCurrentPhotoFromDisk() {
665 ImageEntry toDelete = null;
666 if (data != null && data.size() > 0 && currentPhoto >= 0 && currentPhoto < data.size()) {
667 toDelete = data.get(currentPhoto);
668
669 int result = new ExtendedDialog(
670 Main.parent,
671 tr("Delete image file from disk"),
672 new String[] {tr("Cancel"), tr("Delete")})
673 .setButtonIcons(new String[] {"cancel.png", "dialogs/delete.png"})
674 .setContent(new JLabel(tr("<html><h3>Delete the file {0} from disk?<p>The image file will be permanently lost!</h3></html>"
675 ,toDelete.getFile().getName()), ImageProvider.get("dialogs/geoimage/deletefromdisk"),SwingConstants.LEFT))
676 .toggleEnable("geoimage.deleteimagefromdisk")
677 .setCancelButton(1)
678 .setDefaultButton(2)
679 .showDialog()
680 .getValue();
681
682 if(result == 2)
683 {
684 data.remove(currentPhoto);
685 if (currentPhoto >= data.size()) {
686 currentPhoto = data.size() - 1;
687 }
688 if (currentPhoto >= 0) {
689 ImageViewerDialog.showImage(this, data.get(currentPhoto));
690 } else {
691 ImageViewerDialog.showImage(this, null);
692 }
693
694 if (toDelete.getFile().delete()) {
695 System.out.println("File "+toDelete.getFile().toString()+" deleted. ");
696 } else {
697 JOptionPane.showMessageDialog(
698 Main.parent,
699 tr("Image file could not be deleted."),
700 tr("Error"),
701 JOptionPane.ERROR_MESSAGE
702 );
703 }
704
705 updateOffscreenBuffer = true;
706 Main.map.repaint();
707 }
708 }
709 }
710
711 private MouseAdapter mouseAdapter = null;
712 private MapModeChangeListener mapModeListener = null;
713
714 private void hook_up_mouse_events() {
715 mouseAdapter = new MouseAdapter() {
716 @Override public void mousePressed(MouseEvent e) {
717
718 if (e.getButton() != MouseEvent.BUTTON1)
719 return;
720 if (isVisible()) {
721 Main.map.mapView.repaint();
722 }
723 }
724
725 @Override public void mouseReleased(MouseEvent ev) {
726 if (ev.getButton() != MouseEvent.BUTTON1)
727 return;
728 if (!isVisible())
729 return;
730
731 for (int i = data.size() - 1; i >= 0; --i) {
732 ImageEntry e = data.get(i);
733 if (e.getPos() == null) {
734 continue;
735 }
736 Point p = Main.map.mapView.getPoint(e.getPos());
737 Rectangle r;
738 if (e.thumbnail != null) {
739 Dimension d = scaledDimension(e.thumbnail);
740 r = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
741 } else {
742 r = new Rectangle(p.x - icon.getIconWidth() / 2,
743 p.y - icon.getIconHeight() / 2,
744 icon.getIconWidth(),
745 icon.getIconHeight());
746 }
747 if (r.contains(ev.getPoint())) {
748 currentPhoto = i;
749 ImageViewerDialog.showImage(GeoImageLayer.this, e);
750 Main.map.repaint();
751 break;
752 }
753 }
754 }
755 };
756
757 mapModeListener = new MapModeChangeListener() {
758 public void mapModeChange(MapMode oldMapMode, MapMode newMapMode) {
759 if (newMapMode instanceof org.openstreetmap.josm.actions.mapmode.SelectAction) {
760 Main.map.mapView.addMouseListener(mouseAdapter);
761 } else {
762 Main.map.mapView.removeMouseListener(mouseAdapter);
763 }
764 }
765 };
766
767 MapFrame.addMapModeChangeListener(mapModeListener);
768 mapModeListener.mapModeChange(null, Main.map.mapMode);
769
770 MapView.addLayerChangeListener(new LayerChangeListener() {
771 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
772 if (newLayer == GeoImageLayer.this) {
773 // only in select mode it is possible to click the images
774 Main.map.selectSelectTool(false);
775 }
776 }
777
778 public void layerAdded(Layer newLayer) {
779 }
780
781 public void layerRemoved(Layer oldLayer) {
782 if (oldLayer == GeoImageLayer.this) {
783 if (thumbsloader != null) {
784 thumbsloader.stop = true;
785 }
786 Main.map.mapView.removeMouseListener(mouseAdapter);
787 MapFrame.removeMapModeChangeListener(mapModeListener);
788 currentPhoto = -1;
789 data.clear();
790 data = null;
791 // stop listening to layer change events
792 MapView.removeLayerChangeListener(this);
793 }
794 }
795 });
796 }
797
798 public void propertyChange(PropertyChangeEvent evt) {
799 if (NavigatableComponent.PROPNAME_CENTER.equals(evt.getPropertyName()) || NavigatableComponent.PROPNAME_SCALE.equals(evt.getPropertyName())) {
800 updateOffscreenBuffer = true;
801 }
802 }
803
804 public void loadThumbs() {
805 if (useThumbs && !thumbsLoaded) {
806 thumbsLoaded = true;
807 thumbsloader = new ThumbsLoader(this);
808 Thread t = new Thread(thumbsloader);
809 t.setPriority(Thread.MIN_PRIORITY);
810 t.start();
811 }
812 }
813
814 public void updateBufferAndRepaint() {
815 updateOffscreenBuffer = true;
816 Main.map.mapView.repaint();
817 }
818
819 public List<ImageEntry> getImages() {
820 List<ImageEntry> copy = new ArrayList<ImageEntry>();
821 for (ImageEntry ie : data) {
822 copy.add(ie.clone());
823 }
824 return copy;
825 }
826
827 public void jumpToNextMarker() {
828 showNextPhoto();
829 }
830
831 public void jumpToPreviousMarker() {
832 showPreviousPhoto();
833 }
834}
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