source: josm/trunk/src/org/openstreetmap/josm/gui/layer/geoimage/GeoImageLayer.java@ 10627

Last change on this file since 10627 was 10627, checked in by Don-vip, 8 years ago

sonar - squid:S1166 - Exception handlers should preserve the original exceptions
  • Property svn:eol-style set to native
File size: 35.6 KB
Line 
1// License: GPL. For details, see LICENSE file.
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.util.ArrayList;
25import java.util.Arrays;
26import java.util.Collection;
27import java.util.Collections;
28import java.util.HashSet;
29import java.util.LinkedHashSet;
30import java.util.LinkedList;
31import java.util.List;
32import java.util.Set;
33import java.util.concurrent.ExecutorService;
34import java.util.concurrent.Executors;
35
36import javax.swing.Action;
37import javax.swing.Icon;
38import javax.swing.JLabel;
39import javax.swing.JOptionPane;
40import javax.swing.SwingConstants;
41
42import org.openstreetmap.josm.Main;
43import org.openstreetmap.josm.actions.LassoModeAction;
44import org.openstreetmap.josm.actions.RenameLayerAction;
45import org.openstreetmap.josm.actions.mapmode.MapMode;
46import org.openstreetmap.josm.actions.mapmode.SelectAction;
47import org.openstreetmap.josm.data.Bounds;
48import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
49import org.openstreetmap.josm.gui.ExtendedDialog;
50import org.openstreetmap.josm.gui.MapFrame;
51import org.openstreetmap.josm.gui.MapFrame.MapModeChangeListener;
52import org.openstreetmap.josm.gui.MapView;
53import org.openstreetmap.josm.gui.NavigatableComponent;
54import org.openstreetmap.josm.gui.PleaseWaitRunnable;
55import org.openstreetmap.josm.gui.datatransfer.ClipboardUtils;
56import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
57import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
58import org.openstreetmap.josm.gui.layer.AbstractModifiableLayer;
59import org.openstreetmap.josm.gui.layer.GpxLayer;
60import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToMarkerLayer;
61import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToNextMarker;
62import org.openstreetmap.josm.gui.layer.JumpToMarkerActions.JumpToPreviousMarker;
63import org.openstreetmap.josm.gui.layer.Layer;
64import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
65import org.openstreetmap.josm.gui.layer.LayerManager.LayerChangeListener;
66import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent;
67import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent;
68import org.openstreetmap.josm.gui.util.GuiHelper;
69import org.openstreetmap.josm.io.JpgImporter;
70import org.openstreetmap.josm.tools.ImageProvider;
71import org.openstreetmap.josm.tools.Utils;
72
73/**
74 * Layer displaying geottaged pictures.
75 */
76public class GeoImageLayer extends AbstractModifiableLayer implements PropertyChangeListener, JumpToMarkerLayer {
77
78 private static List<Action> menuAdditions = new LinkedList<>();
79
80 private static volatile List<MapMode> supportedMapModes;
81
82 List<ImageEntry> data;
83 GpxLayer gpxLayer;
84
85 private final Icon icon = ImageProvider.get("dialogs/geoimage/photo-marker");
86 private final Icon selectedIcon = ImageProvider.get("dialogs/geoimage/photo-marker-selected");
87
88 private int currentPhoto = -1;
89
90 boolean useThumbs;
91 private final ExecutorService thumbsLoaderExecutor =
92 Executors.newSingleThreadExecutor(Utils.newThreadFactory("thumbnail-loader-%d", Thread.MIN_PRIORITY));
93 private ThumbsLoader thumbsloader;
94 private boolean thumbsLoaderRunning;
95 volatile boolean thumbsLoaded;
96 private BufferedImage offscreenBuffer;
97 boolean updateOffscreenBuffer = true;
98
99 private MouseAdapter mouseAdapter;
100 private MapModeChangeListener mapModeListener;
101
102 /**
103 * Constructs a new {@code GeoImageLayer}.
104 * @param data The list of images to display
105 * @param gpxLayer The associated GPX layer
106 */
107 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer) {
108 this(data, gpxLayer, null, false);
109 }
110
111 /**
112 * Constructs a new {@code GeoImageLayer}.
113 * @param data The list of images to display
114 * @param gpxLayer The associated GPX layer
115 * @param name Layer name
116 * @since 6392
117 */
118 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer, final String name) {
119 this(data, gpxLayer, name, false);
120 }
121
122 /**
123 * Constructs a new {@code GeoImageLayer}.
124 * @param data The list of images to display
125 * @param gpxLayer The associated GPX layer
126 * @param useThumbs Thumbnail display flag
127 * @since 6392
128 */
129 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer, boolean useThumbs) {
130 this(data, gpxLayer, null, useThumbs);
131 }
132
133 /**
134 * Constructs a new {@code GeoImageLayer}.
135 * @param data The list of images to display
136 * @param gpxLayer The associated GPX layer
137 * @param name Layer name
138 * @param useThumbs Thumbnail display flag
139 * @since 6392
140 */
141 public GeoImageLayer(final List<ImageEntry> data, GpxLayer gpxLayer, final String name, boolean useThumbs) {
142 super(name != null ? name : tr("Geotagged Images"));
143 if (data != null) {
144 Collections.sort(data);
145 }
146 this.data = data;
147 this.gpxLayer = gpxLayer;
148 this.useThumbs = useThumbs;
149 }
150
151 /**
152 * Loads a set of images, while displaying a dialog that indicates what the plugin is currently doing.
153 * In facts, this object is instantiated with a list of files. These files may be JPEG files or
154 * directories. In case of directories, they are scanned to find all the images they contain.
155 * Then all the images that have be found are loaded as ImageEntry instances.
156 */
157 static final class Loader extends PleaseWaitRunnable {
158
159 private boolean canceled;
160 private GeoImageLayer layer;
161 private final Collection<File> selection;
162 private final Set<String> loadedDirectories = new HashSet<>();
163 private final Set<String> errorMessages;
164 private final GpxLayer gpxLayer;
165
166 Loader(Collection<File> selection, GpxLayer gpxLayer) {
167 super(tr("Extracting GPS locations from EXIF"));
168 this.selection = selection;
169 this.gpxLayer = gpxLayer;
170 errorMessages = new LinkedHashSet<>();
171 }
172
173 protected void rememberError(String message) {
174 this.errorMessages.add(message);
175 }
176
177 @Override
178 protected void realRun() throws IOException {
179
180 progressMonitor.subTask(tr("Starting directory scan"));
181 Collection<File> files = new ArrayList<>();
182 try {
183 addRecursiveFiles(files, selection);
184 } catch (IllegalStateException e) {
185 Main.debug(e);
186 rememberError(e.getMessage());
187 }
188
189 if (canceled)
190 return;
191 progressMonitor.subTask(tr("Read photos..."));
192 progressMonitor.setTicksCount(files.size());
193
194 progressMonitor.subTask(tr("Read photos..."));
195 progressMonitor.setTicksCount(files.size());
196
197 // read the image files
198 List<ImageEntry> entries = new ArrayList<>(files.size());
199
200 for (File f : files) {
201
202 if (canceled) {
203 break;
204 }
205
206 progressMonitor.subTask(tr("Reading {0}...", f.getName()));
207 progressMonitor.worked(1);
208
209 ImageEntry e = new ImageEntry(f);
210 e.extractExif();
211 entries.add(e);
212 }
213 layer = new GeoImageLayer(entries, gpxLayer);
214 files.clear();
215 }
216
217 private void addRecursiveFiles(Collection<File> files, Collection<File> sel) {
218 boolean nullFile = false;
219
220 for (File f : sel) {
221
222 if (canceled) {
223 break;
224 }
225
226 if (f == null) {
227 nullFile = true;
228
229 } else if (f.isDirectory()) {
230 String canonical = null;
231 try {
232 canonical = f.getCanonicalPath();
233 } catch (IOException e) {
234 Main.error(e);
235 rememberError(tr("Unable to get canonical path for directory {0}\n",
236 f.getAbsolutePath()));
237 }
238
239 if (canonical == null || loadedDirectories.contains(canonical)) {
240 continue;
241 } else {
242 loadedDirectories.add(canonical);
243 }
244
245 File[] children = f.listFiles(JpgImporter.FILE_FILTER_WITH_FOLDERS);
246 if (children != null) {
247 progressMonitor.subTask(tr("Scanning directory {0}", f.getPath()));
248 addRecursiveFiles(files, Arrays.asList(children));
249 } else {
250 rememberError(tr("Error while getting files from directory {0}\n", f.getPath()));
251 }
252
253 } else {
254 files.add(f);
255 }
256 }
257
258 if (nullFile) {
259 throw new IllegalStateException(tr("One of the selected files was null"));
260 }
261 }
262
263 protected String formatErrorMessages() {
264 StringBuilder sb = new StringBuilder();
265 sb.append("<html>");
266 if (errorMessages.size() == 1) {
267 sb.append(errorMessages.iterator().next());
268 } else {
269 sb.append(Utils.joinAsHtmlUnorderedList(errorMessages));
270 }
271 sb.append("</html>");
272 return sb.toString();
273 }
274
275 @Override protected void finish() {
276 if (!errorMessages.isEmpty()) {
277 JOptionPane.showMessageDialog(
278 Main.parent,
279 formatErrorMessages(),
280 tr("Error"),
281 JOptionPane.ERROR_MESSAGE
282 );
283 }
284 if (layer != null) {
285 Main.getLayerManager().addLayer(layer);
286
287 if (!canceled && layer.data != null && !layer.data.isEmpty()) {
288 boolean noGeotagFound = true;
289 for (ImageEntry e : layer.data) {
290 if (e.getPos() != null) {
291 noGeotagFound = false;
292 }
293 }
294 if (noGeotagFound) {
295 new CorrelateGpxWithImages(layer).actionPerformed(null);
296 }
297 }
298 }
299 }
300
301 @Override protected void cancel() {
302 canceled = true;
303 }
304 }
305
306 public static void create(Collection<File> files, GpxLayer gpxLayer) {
307 Main.worker.execute(new Loader(files, gpxLayer));
308 }
309
310 @Override
311 public Icon getIcon() {
312 return ImageProvider.get("dialogs/geoimage");
313 }
314
315 public static void registerMenuAddition(Action addition) {
316 menuAdditions.add(addition);
317 }
318
319 @Override
320 public Action[] getMenuEntries() {
321
322 List<Action> entries = new ArrayList<>();
323 entries.add(LayerListDialog.getInstance().createShowHideLayerAction());
324 entries.add(LayerListDialog.getInstance().createDeleteLayerAction());
325 entries.add(LayerListDialog.getInstance().createMergeLayerAction(this));
326 entries.add(new RenameLayerAction(null, this));
327 entries.add(SeparatorLayerAction.INSTANCE);
328 entries.add(new CorrelateGpxWithImages(this));
329 entries.add(new ShowThumbnailAction(this));
330 if (!menuAdditions.isEmpty()) {
331 entries.add(SeparatorLayerAction.INSTANCE);
332 entries.addAll(menuAdditions);
333 }
334 entries.add(SeparatorLayerAction.INSTANCE);
335 entries.add(new JumpToNextMarker(this));
336 entries.add(new JumpToPreviousMarker(this));
337 entries.add(SeparatorLayerAction.INSTANCE);
338 entries.add(new LayerListPopup.InfoAction(this));
339
340 return entries.toArray(new Action[entries.size()]);
341
342 }
343
344 /**
345 * Prepare the string that is displayed if layer information is requested.
346 * @return String with layer information
347 */
348 private String infoText() {
349 int tagged = 0;
350 int newdata = 0;
351 int n = 0;
352 if (data != null) {
353 n = data.size();
354 for (ImageEntry e : data) {
355 if (e.getPos() != null) {
356 tagged++;
357 }
358 if (e.hasNewGpsData()) {
359 newdata++;
360 }
361 }
362 }
363 return "<html>"
364 + trn("{0} image loaded.", "{0} images loaded.", n, n)
365 + ' ' + trn("{0} was found to be GPS tagged.", "{0} were found to be GPS tagged.", tagged, tagged)
366 + (newdata > 0 ? "<br>" + trn("{0} has updated GPS data.", "{0} have updated GPS data.", newdata, newdata) : "")
367 + "</html>";
368 }
369
370 @Override public Object getInfoComponent() {
371 return infoText();
372 }
373
374 @Override
375 public String getToolTipText() {
376 return infoText();
377 }
378
379 /**
380 * Determines if data managed by this layer has been modified. That is
381 * the case if one image has modified GPS data.
382 * @return {@code true} if data has been modified; {@code false}, otherwise
383 */
384 @Override
385 public boolean isModified() {
386 if (data != null) {
387 for (ImageEntry e : data) {
388 if (e.hasNewGpsData()) {
389 return true;
390 }
391 }
392 }
393 return false;
394 }
395
396 @Override
397 public boolean isMergable(Layer other) {
398 return other instanceof GeoImageLayer;
399 }
400
401 @Override
402 public void mergeFrom(Layer from) {
403 GeoImageLayer l = (GeoImageLayer) from;
404
405 // Stop to load thumbnails on both layers. Thumbnail loading will continue the next time
406 // the layer is painted.
407 stopLoadThumbs();
408 l.stopLoadThumbs();
409
410 final ImageEntry selected = l.data != null && l.currentPhoto >= 0 ? l.data.get(l.currentPhoto) : null;
411
412 if (l.data != null) {
413 data.addAll(l.data);
414 }
415 Collections.sort(data);
416
417 // Supress the double photos.
418 if (data.size() > 1) {
419 ImageEntry cur;
420 ImageEntry prev = data.get(data.size() - 1);
421 for (int i = data.size() - 2; i >= 0; i--) {
422 cur = data.get(i);
423 if (cur.getFile().equals(prev.getFile())) {
424 data.remove(i);
425 } else {
426 prev = cur;
427 }
428 }
429 }
430
431 if (selected != null && !data.isEmpty()) {
432 GuiHelper.runInEDTAndWait(() -> {
433 for (int i = 0; i < data.size(); i++) {
434 if (selected.equals(data.get(i))) {
435 currentPhoto = i;
436 ImageViewerDialog.showImage(GeoImageLayer.this, data.get(i));
437 break;
438 }
439 }
440 });
441 }
442
443 setName(l.getName());
444 thumbsLoaded &= l.thumbsLoaded;
445 }
446
447 private static Dimension scaledDimension(Image thumb) {
448 final double d = Main.map.mapView.getDist100Pixel();
449 final double size = 10 /*meter*/; /* size of the photo on the map */
450 double s = size * 100 /*px*/ / d;
451
452 final double sMin = ThumbsLoader.minSize;
453 final double sMax = ThumbsLoader.maxSize;
454
455 if (s < sMin) {
456 s = sMin;
457 }
458 if (s > sMax) {
459 s = sMax;
460 }
461 final double f = s / sMax; /* scale factor */
462
463 if (thumb == null)
464 return null;
465
466 return new Dimension(
467 (int) Math.round(f * thumb.getWidth(null)),
468 (int) Math.round(f * thumb.getHeight(null)));
469 }
470
471 @Override
472 public void paint(Graphics2D g, MapView mv, Bounds bounds) {
473 int width = mv.getWidth();
474 int height = mv.getHeight();
475 Rectangle clip = g.getClipBounds();
476 if (useThumbs) {
477 if (!thumbsLoaded) {
478 startLoadThumbs();
479 }
480
481 if (null == offscreenBuffer || offscreenBuffer.getWidth() != width // reuse the old buffer if possible
482 || offscreenBuffer.getHeight() != height) {
483 offscreenBuffer = new BufferedImage(width, height,
484 BufferedImage.TYPE_INT_ARGB);
485 updateOffscreenBuffer = true;
486 }
487
488 if (updateOffscreenBuffer) {
489 Graphics2D tempG = offscreenBuffer.createGraphics();
490 tempG.setColor(new Color(0, 0, 0, 0));
491 Composite saveComp = tempG.getComposite();
492 tempG.setComposite(AlphaComposite.Clear); // remove the old images
493 tempG.fillRect(0, 0, width, height);
494 tempG.setComposite(saveComp);
495
496 if (data != null) {
497 for (ImageEntry e : data) {
498 if (e.getPos() == null) {
499 continue;
500 }
501 Point p = mv.getPoint(e.getPos());
502 if (e.hasThumbnail()) {
503 Dimension d = scaledDimension(e.getThumbnail());
504 Rectangle target = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
505 if (clip.intersects(target)) {
506 tempG.drawImage(e.getThumbnail(), target.x, target.y, target.width, target.height, null);
507 }
508 } else { // thumbnail not loaded yet
509 icon.paintIcon(mv, tempG,
510 p.x - icon.getIconWidth() / 2,
511 p.y - icon.getIconHeight() / 2);
512 }
513 }
514 }
515 updateOffscreenBuffer = false;
516 }
517 g.drawImage(offscreenBuffer, 0, 0, null);
518 } else if (data != null) {
519 for (ImageEntry e : data) {
520 if (e.getPos() == null) {
521 continue;
522 }
523 Point p = mv.getPoint(e.getPos());
524 icon.paintIcon(mv, g,
525 p.x - icon.getIconWidth() / 2,
526 p.y - icon.getIconHeight() / 2);
527 }
528 }
529
530 if (currentPhoto >= 0 && currentPhoto < data.size()) {
531 ImageEntry e = data.get(currentPhoto);
532
533 if (e.getPos() != null) {
534 Point p = mv.getPoint(e.getPos());
535
536 int imgWidth;
537 int imgHeight;
538 if (useThumbs && e.hasThumbnail()) {
539 Dimension d = scaledDimension(e.getThumbnail());
540 imgWidth = d.width;
541 imgHeight = d.height;
542 } else {
543 imgWidth = selectedIcon.getIconWidth();
544 imgHeight = selectedIcon.getIconHeight();
545 }
546
547 if (e.getExifImgDir() != null) {
548 // Multiplier must be larger than sqrt(2)/2=0.71.
549 double arrowlength = Math.max(25, Math.max(imgWidth, imgHeight) * 0.85);
550 double arrowwidth = arrowlength / 1.4;
551
552 double dir = e.getExifImgDir();
553 // Rotate 90 degrees CCW
554 double headdir = (dir < 90) ? dir + 270 : dir - 90;
555 double leftdir = (headdir < 90) ? headdir + 270 : headdir - 90;
556 double rightdir = (headdir > 270) ? headdir - 270 : headdir + 90;
557
558 double ptx = p.x + Math.cos(Math.toRadians(headdir)) * arrowlength;
559 double pty = p.y + Math.sin(Math.toRadians(headdir)) * arrowlength;
560
561 double ltx = p.x + Math.cos(Math.toRadians(leftdir)) * arrowwidth/2;
562 double lty = p.y + Math.sin(Math.toRadians(leftdir)) * arrowwidth/2;
563
564 double rtx = p.x + Math.cos(Math.toRadians(rightdir)) * arrowwidth/2;
565 double rty = p.y + Math.sin(Math.toRadians(rightdir)) * arrowwidth/2;
566
567 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
568 g.setColor(new Color(255, 255, 255, 192));
569 int[] xar = {(int) ltx, (int) ptx, (int) rtx, (int) ltx};
570 int[] yar = {(int) lty, (int) pty, (int) rty, (int) lty};
571 g.fillPolygon(xar, yar, 4);
572 g.setColor(Color.black);
573 g.setStroke(new BasicStroke(1.2f));
574 g.drawPolyline(xar, yar, 3);
575 }
576
577 if (useThumbs && e.hasThumbnail()) {
578 g.setColor(new Color(128, 0, 0, 122));
579 g.fillRect(p.x - imgWidth / 2, p.y - imgHeight / 2, imgWidth, imgHeight);
580 } else {
581 selectedIcon.paintIcon(mv, g,
582 p.x - imgWidth / 2,
583 p.y - imgHeight / 2);
584
585 }
586 }
587 }
588 }
589
590 @Override
591 public void visitBoundingBox(BoundingXYVisitor v) {
592 for (ImageEntry e : data) {
593 v.visit(e.getPos());
594 }
595 }
596
597 /**
598 * Shows next photo.
599 */
600 public void showNextPhoto() {
601 if (data != null && !data.isEmpty()) {
602 currentPhoto++;
603 if (currentPhoto >= data.size()) {
604 currentPhoto = data.size() - 1;
605 }
606 ImageViewerDialog.showImage(this, data.get(currentPhoto));
607 } else {
608 currentPhoto = -1;
609 }
610 Main.map.repaint();
611 }
612
613 /**
614 * Shows previous photo.
615 */
616 public void showPreviousPhoto() {
617 if (data != null && !data.isEmpty()) {
618 currentPhoto--;
619 if (currentPhoto < 0) {
620 currentPhoto = 0;
621 }
622 ImageViewerDialog.showImage(this, data.get(currentPhoto));
623 } else {
624 currentPhoto = -1;
625 }
626 Main.map.repaint();
627 }
628
629 /**
630 * Shows first photo.
631 */
632 public void showFirstPhoto() {
633 if (data != null && !data.isEmpty()) {
634 currentPhoto = 0;
635 ImageViewerDialog.showImage(this, data.get(currentPhoto));
636 } else {
637 currentPhoto = -1;
638 }
639 Main.map.repaint();
640 }
641
642 /**
643 * Shows last photo.
644 */
645 public void showLastPhoto() {
646 if (data != null && !data.isEmpty()) {
647 currentPhoto = data.size() - 1;
648 ImageViewerDialog.showImage(this, data.get(currentPhoto));
649 } else {
650 currentPhoto = -1;
651 }
652 Main.map.repaint();
653 }
654
655 public void checkPreviousNextButtons() {
656 ImageViewerDialog.setNextEnabled(data != null && currentPhoto < data.size() - 1);
657 ImageViewerDialog.setPreviousEnabled(currentPhoto > 0);
658 }
659
660 public void removeCurrentPhoto() {
661 if (data != null && !data.isEmpty() && currentPhoto >= 0 && currentPhoto < data.size()) {
662 data.remove(currentPhoto);
663 if (currentPhoto >= data.size()) {
664 currentPhoto = data.size() - 1;
665 }
666 if (currentPhoto >= 0) {
667 ImageViewerDialog.showImage(this, data.get(currentPhoto));
668 } else {
669 ImageViewerDialog.showImage(this, null);
670 }
671 updateOffscreenBuffer = true;
672 Main.map.repaint();
673 }
674 }
675
676 public void removeCurrentPhotoFromDisk() {
677 ImageEntry toDelete;
678 if (data != null && !data.isEmpty() && currentPhoto >= 0 && currentPhoto < data.size()) {
679 toDelete = data.get(currentPhoto);
680
681 int result = new ExtendedDialog(
682 Main.parent,
683 tr("Delete image file from disk"),
684 new String[] {tr("Cancel"), tr("Delete")})
685 .setButtonIcons(new String[] {"cancel", "dialogs/delete"})
686 .setContent(new JLabel(tr("<html><h3>Delete the file {0} from disk?<p>The image file will be permanently lost!</h3></html>",
687 toDelete.getFile().getName()), ImageProvider.get("dialogs/geoimage/deletefromdisk"), SwingConstants.LEFT))
688 .toggleEnable("geoimage.deleteimagefromdisk")
689 .setCancelButton(1)
690 .setDefaultButton(2)
691 .showDialog()
692 .getValue();
693
694 if (result == 2) {
695 data.remove(currentPhoto);
696 if (currentPhoto >= data.size()) {
697 currentPhoto = data.size() - 1;
698 }
699 if (currentPhoto >= 0) {
700 ImageViewerDialog.showImage(this, data.get(currentPhoto));
701 } else {
702 ImageViewerDialog.showImage(this, null);
703 }
704
705 if (Utils.deleteFile(toDelete.getFile())) {
706 Main.info("File "+toDelete.getFile()+" deleted. ");
707 } else {
708 JOptionPane.showMessageDialog(
709 Main.parent,
710 tr("Image file could not be deleted."),
711 tr("Error"),
712 JOptionPane.ERROR_MESSAGE
713 );
714 }
715
716 updateOffscreenBuffer = true;
717 Main.map.repaint();
718 }
719 }
720 }
721
722 public void copyCurrentPhotoPath() {
723 if (data != null && !data.isEmpty() && currentPhoto >= 0 && currentPhoto < data.size()) {
724 ClipboardUtils.copyString(data.get(currentPhoto).getFile().toString());
725 }
726 }
727
728 /**
729 * Removes a photo from the list of images by index.
730 * @param idx Image index
731 * @since 6392
732 */
733 public void removePhotoByIdx(int idx) {
734 if (idx >= 0 && data != null && idx < data.size()) {
735 data.remove(idx);
736 }
737 }
738
739 /**
740 * Returns the image that matches the position of the mouse event.
741 * @param evt Mouse event
742 * @return Image at mouse position, or {@code null} if there is no image at the mouse position
743 * @since 6392
744 */
745 public ImageEntry getPhotoUnderMouse(MouseEvent evt) {
746 if (data != null) {
747 for (int idx = data.size() - 1; idx >= 0; --idx) {
748 ImageEntry img = data.get(idx);
749 if (img.getPos() == null) {
750 continue;
751 }
752 Point p = Main.map.mapView.getPoint(img.getPos());
753 Rectangle r;
754 if (useThumbs && img.hasThumbnail()) {
755 Dimension d = scaledDimension(img.getThumbnail());
756 r = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
757 } else {
758 r = new Rectangle(p.x - icon.getIconWidth() / 2,
759 p.y - icon.getIconHeight() / 2,
760 icon.getIconWidth(),
761 icon.getIconHeight());
762 }
763 if (r.contains(evt.getPoint())) {
764 return img;
765 }
766 }
767 }
768 return null;
769 }
770
771 /**
772 * Clears the currentPhoto, i.e. remove select marker, and optionally repaint.
773 * @param repaint Repaint flag
774 * @since 6392
775 */
776 public void clearCurrentPhoto(boolean repaint) {
777 currentPhoto = -1;
778 if (repaint) {
779 updateBufferAndRepaint();
780 }
781 }
782
783 /**
784 * Clears the currentPhoto of the other GeoImageLayer's. Otherwise there could be multiple selected photos.
785 */
786 private void clearOtherCurrentPhotos() {
787 for (GeoImageLayer layer:
788 Main.getLayerManager().getLayersOfType(GeoImageLayer.class)) {
789 if (layer != this) {
790 layer.clearCurrentPhoto(false);
791 }
792 }
793 }
794
795 /**
796 * Registers a map mode for which the functionality of this layer should be available.
797 * @param mapMode Map mode to be registered
798 * @since 6392
799 */
800 public static void registerSupportedMapMode(MapMode mapMode) {
801 if (supportedMapModes == null) {
802 supportedMapModes = new ArrayList<>();
803 }
804 supportedMapModes.add(mapMode);
805 }
806
807 /**
808 * Determines if the functionality of this layer is available in
809 * the specified map mode. {@link SelectAction} and {@link LassoModeAction} are supported by default,
810 * other map modes can be registered.
811 * @param mapMode Map mode to be checked
812 * @return {@code true} if the map mode is supported,
813 * {@code false} otherwise
814 */
815 private static boolean isSupportedMapMode(MapMode mapMode) {
816 if (mapMode instanceof SelectAction || mapMode instanceof LassoModeAction) {
817 return true;
818 }
819 if (supportedMapModes != null) {
820 for (MapMode supmmode: supportedMapModes) {
821 if (mapMode == supmmode) {
822 return true;
823 }
824 }
825 }
826 return false;
827 }
828
829 @Override
830 public void hookUpMapView() {
831 mouseAdapter = new MouseAdapter() {
832 private boolean isMapModeOk() {
833 return Main.map.mapMode == null || isSupportedMapMode(Main.map.mapMode);
834 }
835
836 @Override
837 public void mousePressed(MouseEvent e) {
838 if (e.getButton() != MouseEvent.BUTTON1)
839 return;
840 if (isVisible() && isMapModeOk()) {
841 Main.map.mapView.repaint();
842 }
843 }
844
845 @Override
846 public void mouseReleased(MouseEvent ev) {
847 if (ev.getButton() != MouseEvent.BUTTON1)
848 return;
849 if (data == null || !isVisible() || !isMapModeOk())
850 return;
851
852 for (int i = data.size() - 1; i >= 0; --i) {
853 ImageEntry e = data.get(i);
854 if (e.getPos() == null) {
855 continue;
856 }
857 Point p = Main.map.mapView.getPoint(e.getPos());
858 Rectangle r;
859 if (useThumbs && e.hasThumbnail()) {
860 Dimension d = scaledDimension(e.getThumbnail());
861 r = new Rectangle(p.x - d.width / 2, p.y - d.height / 2, d.width, d.height);
862 } else {
863 r = new Rectangle(p.x - icon.getIconWidth() / 2,
864 p.y - icon.getIconHeight() / 2,
865 icon.getIconWidth(),
866 icon.getIconHeight());
867 }
868 if (r.contains(ev.getPoint())) {
869 clearOtherCurrentPhotos();
870 currentPhoto = i;
871 ImageViewerDialog.showImage(GeoImageLayer.this, e);
872 Main.map.repaint();
873 break;
874 }
875 }
876 }
877 };
878
879 mapModeListener = (oldMapMode, newMapMode) -> {
880 if (newMapMode == null || isSupportedMapMode(newMapMode)) {
881 Main.map.mapView.addMouseListener(mouseAdapter);
882 } else {
883 Main.map.mapView.removeMouseListener(mouseAdapter);
884 }
885 };
886
887 MapFrame.addMapModeChangeListener(mapModeListener);
888 mapModeListener.mapModeChange(null, Main.map.mapMode);
889
890 Main.getLayerManager().addActiveLayerChangeListener(e -> {
891 if (Main.getLayerManager().getActiveLayer() == GeoImageLayer.this) {
892 // only in select mode it is possible to click the images
893 Main.map.selectSelectTool(false);
894 }
895 });
896
897 Main.getLayerManager().addLayerChangeListener(new LayerChangeListener() {
898 @Override
899 public void layerAdded(LayerAddEvent e) {
900 // Do nothing
901 }
902
903 @Override
904 public void layerRemoving(LayerRemoveEvent e) {
905 if (e.getRemovedLayer() == GeoImageLayer.this) {
906 stopLoadThumbs();
907 Main.map.mapView.removeMouseListener(mouseAdapter);
908 MapFrame.removeMapModeChangeListener(mapModeListener);
909 currentPhoto = -1;
910 if (data != null) {
911 data.clear();
912 }
913 data = null;
914 // stop listening to layer change events
915 Main.getLayerManager().removeLayerChangeListener(this);
916 }
917 }
918
919 @Override
920 public void layerOrderChanged(LayerOrderChangeEvent e) {
921 // Do nothing
922 }
923 });
924
925 Main.map.mapView.addPropertyChangeListener(this);
926 if (Main.map.getToggleDialog(ImageViewerDialog.class) == null) {
927 ImageViewerDialog.newInstance();
928 Main.map.addToggleDialog(ImageViewerDialog.getInstance());
929 }
930 }
931
932 @Override
933 public void propertyChange(PropertyChangeEvent evt) {
934 if (NavigatableComponent.PROPNAME_CENTER.equals(evt.getPropertyName()) ||
935 NavigatableComponent.PROPNAME_SCALE.equals(evt.getPropertyName())) {
936 updateOffscreenBuffer = true;
937 }
938 }
939
940 /**
941 * Start to load thumbnails.
942 */
943 public synchronized void startLoadThumbs() {
944 if (useThumbs && !thumbsLoaded && !thumbsLoaderRunning) {
945 stopLoadThumbs();
946 thumbsloader = new ThumbsLoader(this);
947 thumbsLoaderExecutor.submit(thumbsloader);
948 thumbsLoaderRunning = true;
949 }
950 }
951
952 /**
953 * Stop to load thumbnails.
954 *
955 * Can be called at any time to make sure that the
956 * thumbnail loader is stopped.
957 */
958 public synchronized void stopLoadThumbs() {
959 if (thumbsloader != null) {
960 thumbsloader.stop = true;
961 }
962 thumbsLoaderRunning = false;
963 }
964
965 /**
966 * Called to signal that the loading of thumbnails has finished.
967 *
968 * Usually called from {@link ThumbsLoader} in another thread.
969 */
970 public void thumbsLoaded() {
971 thumbsLoaded = true;
972 }
973
974 public void updateBufferAndRepaint() {
975 updateOffscreenBuffer = true;
976 invalidate();
977 }
978
979 /**
980 * Get list of images in layer.
981 * @return List of images in layer
982 */
983 public List<ImageEntry> getImages() {
984 return data == null ? Collections.<ImageEntry>emptyList() : new ArrayList<>(data);
985 }
986
987 /**
988 * Returns the associated GPX layer.
989 * @return The associated GPX layer
990 */
991 public GpxLayer getGpxLayer() {
992 return gpxLayer;
993 }
994
995 @Override
996 public void jumpToNextMarker() {
997 showNextPhoto();
998 }
999
1000 @Override
1001 public void jumpToPreviousMarker() {
1002 showPreviousPhoto();
1003 }
1004
1005 /**
1006 * Returns the current thumbnail display status.
1007 * {@code true}: thumbnails are displayed, {@code false}: an icon is displayed instead of thumbnails.
1008 * @return Current thumbnail display status
1009 * @since 6392
1010 */
1011 public boolean isUseThumbs() {
1012 return useThumbs;
1013 }
1014
1015 /**
1016 * Enables or disables the display of thumbnails. Does not update the display.
1017 * @param useThumbs New thumbnail display status
1018 * @since 6392
1019 */
1020 public void setUseThumbs(boolean useThumbs) {
1021 this.useThumbs = useThumbs;
1022 if (useThumbs && !thumbsLoaded) {
1023 startLoadThumbs();
1024 } else if (!useThumbs) {
1025 stopLoadThumbs();
1026 }
1027 }
1028}
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