1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.data;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.util.ArrayList;
|
---|
7 | import java.util.Collection;
|
---|
8 | import java.util.Collections;
|
---|
9 | import java.util.List;
|
---|
10 | import java.util.stream.Collectors;
|
---|
11 |
|
---|
12 | import org.openstreetmap.josm.data.coor.LatLon;
|
---|
13 | import org.openstreetmap.josm.data.gpx.GpxImageEntry;
|
---|
14 | import org.openstreetmap.josm.data.osm.QuadBuckets;
|
---|
15 | import org.openstreetmap.josm.gui.layer.geoimage.ImageEntry;
|
---|
16 | import org.openstreetmap.josm.tools.ListenerList;
|
---|
17 |
|
---|
18 | /**
|
---|
19 | * Class to hold {@link ImageEntry} and the current selection
|
---|
20 | * @since 14590
|
---|
21 | */
|
---|
22 | public class ImageData implements Data {
|
---|
23 | /**
|
---|
24 | * A listener that is informed when the current selection change
|
---|
25 | */
|
---|
26 | public interface ImageDataUpdateListener {
|
---|
27 | /**
|
---|
28 | * Called when the data change
|
---|
29 | * @param data the image data
|
---|
30 | */
|
---|
31 | void imageDataUpdated(ImageData data);
|
---|
32 |
|
---|
33 | /**
|
---|
34 | * Called when the selection change
|
---|
35 | * @param data the image data
|
---|
36 | */
|
---|
37 | void selectedImageChanged(ImageData data);
|
---|
38 | }
|
---|
39 |
|
---|
40 | private final List<ImageEntry> data;
|
---|
41 |
|
---|
42 | private final List<Integer> selectedImagesIndex = new ArrayList<>();
|
---|
43 |
|
---|
44 | private final ListenerList<ImageDataUpdateListener> listeners = ListenerList.create();
|
---|
45 | private final QuadBuckets<ImageEntry> geoImages = new QuadBuckets<>();
|
---|
46 |
|
---|
47 | /**
|
---|
48 | * Construct a new image container without images
|
---|
49 | */
|
---|
50 | public ImageData() {
|
---|
51 | this(null);
|
---|
52 | }
|
---|
53 |
|
---|
54 | /**
|
---|
55 | * Construct a new image container with a list of images
|
---|
56 | * @param data the list of {@link ImageEntry}
|
---|
57 | */
|
---|
58 | public ImageData(List<ImageEntry> data) {
|
---|
59 | if (data != null) {
|
---|
60 | Collections.sort(data);
|
---|
61 | this.data = data;
|
---|
62 | } else {
|
---|
63 | this.data = new ArrayList<>();
|
---|
64 | }
|
---|
65 | this.geoImages.addAll(this.data);
|
---|
66 | selectedImagesIndex.add(-1);
|
---|
67 | }
|
---|
68 |
|
---|
69 | /**
|
---|
70 | * Returns the images
|
---|
71 | * @return the images
|
---|
72 | */
|
---|
73 | public List<ImageEntry> getImages() {
|
---|
74 | return data;
|
---|
75 | }
|
---|
76 |
|
---|
77 | /**
|
---|
78 | * Determines if one image has modified GPS data.
|
---|
79 | * @return {@code true} if data has been modified; {@code false}, otherwise
|
---|
80 | */
|
---|
81 | public boolean isModified() {
|
---|
82 | return data.stream().anyMatch(GpxImageEntry::hasNewGpsData);
|
---|
83 | }
|
---|
84 |
|
---|
85 | /**
|
---|
86 | * Merge 2 ImageData
|
---|
87 | * @param otherData {@link ImageData} to merge
|
---|
88 | */
|
---|
89 | public void mergeFrom(ImageData otherData) {
|
---|
90 | data.addAll(otherData.getImages());
|
---|
91 | this.geoImages.addAll(otherData.getImages());
|
---|
92 | Collections.sort(data);
|
---|
93 |
|
---|
94 | final ImageEntry selected = otherData.getSelectedImage();
|
---|
95 |
|
---|
96 | // Suppress the double photos.
|
---|
97 | if (data.size() > 1) {
|
---|
98 | ImageEntry prev = data.get(data.size() - 1);
|
---|
99 | for (int i = data.size() - 2; i >= 0; i--) {
|
---|
100 | ImageEntry cur = data.get(i);
|
---|
101 | if (cur.getFile().equals(prev.getFile())) {
|
---|
102 | data.remove(i);
|
---|
103 | } else {
|
---|
104 | prev = cur;
|
---|
105 | }
|
---|
106 | }
|
---|
107 | }
|
---|
108 | if (selected != null) {
|
---|
109 | setSelectedImageIndex(data.indexOf(selected));
|
---|
110 | }
|
---|
111 | }
|
---|
112 |
|
---|
113 | /**
|
---|
114 | * Return the first currently selected image
|
---|
115 | * @return the first selected image as {@link ImageEntry} or null
|
---|
116 | * @see #getSelectedImages
|
---|
117 | */
|
---|
118 | public ImageEntry getSelectedImage() {
|
---|
119 | int selectedImageIndex = selectedImagesIndex.isEmpty() ? -1 : selectedImagesIndex.get(0);
|
---|
120 | if (selectedImageIndex > -1) {
|
---|
121 | return data.get(selectedImageIndex);
|
---|
122 | }
|
---|
123 | return null;
|
---|
124 | }
|
---|
125 |
|
---|
126 | /**
|
---|
127 | * Return the current selected images
|
---|
128 | * @return the selected images as list {@link ImageEntry}
|
---|
129 | * @since 15333
|
---|
130 | */
|
---|
131 | public List<ImageEntry> getSelectedImages() {
|
---|
132 | return selectedImagesIndex.stream().filter(i -> i > -1).map(data::get).collect(Collectors.toList());
|
---|
133 | }
|
---|
134 |
|
---|
135 | /**
|
---|
136 | * Select the first image of the sequence
|
---|
137 | */
|
---|
138 | public void selectFirstImage() {
|
---|
139 | if (!data.isEmpty()) {
|
---|
140 | setSelectedImageIndex(0);
|
---|
141 | }
|
---|
142 | }
|
---|
143 |
|
---|
144 | /**
|
---|
145 | * Select the last image of the sequence
|
---|
146 | */
|
---|
147 | public void selectLastImage() {
|
---|
148 | setSelectedImageIndex(data.size() - 1);
|
---|
149 | }
|
---|
150 |
|
---|
151 | /**
|
---|
152 | * Check if there is a next image in the sequence
|
---|
153 | * @return {@code true} is there is a next image, {@code false} otherwise
|
---|
154 | */
|
---|
155 | public boolean hasNextImage() {
|
---|
156 | return (selectedImagesIndex.size() == 1 && selectedImagesIndex.get(0) != data.size() - 1);
|
---|
157 | }
|
---|
158 |
|
---|
159 | /**
|
---|
160 | * Search for images in a bounds
|
---|
161 | * @param bounds The bounds to search
|
---|
162 | * @return images in the bounds
|
---|
163 | * @since 17459
|
---|
164 | */
|
---|
165 | public Collection<ImageEntry> searchImages(Bounds bounds) {
|
---|
166 | return this.geoImages.search(bounds.toBBox());
|
---|
167 | }
|
---|
168 |
|
---|
169 | /**
|
---|
170 | * Select the next image of the sequence
|
---|
171 | */
|
---|
172 | public void selectNextImage() {
|
---|
173 | if (hasNextImage()) {
|
---|
174 | setSelectedImageIndex(selectedImagesIndex.get(0) + 1);
|
---|
175 | }
|
---|
176 | }
|
---|
177 |
|
---|
178 | /**
|
---|
179 | * Check if there is a previous image in the sequence
|
---|
180 | * @return {@code true} is there is a previous image, {@code false} otherwise
|
---|
181 | */
|
---|
182 | public boolean hasPreviousImage() {
|
---|
183 | return (selectedImagesIndex.size() == 1 && selectedImagesIndex.get(0) - 1 > -1);
|
---|
184 | }
|
---|
185 |
|
---|
186 | /**
|
---|
187 | * Select the previous image of the sequence
|
---|
188 | */
|
---|
189 | public void selectPreviousImage() {
|
---|
190 | if (data.isEmpty()) {
|
---|
191 | return;
|
---|
192 | }
|
---|
193 | setSelectedImageIndex(Integer.max(0, selectedImagesIndex.get(0) - 1));
|
---|
194 | }
|
---|
195 |
|
---|
196 | /**
|
---|
197 | * Select as the selected the given image
|
---|
198 | * @param image the selected image
|
---|
199 | */
|
---|
200 | public void setSelectedImage(ImageEntry image) {
|
---|
201 | setSelectedImageIndex(data.indexOf(image));
|
---|
202 | }
|
---|
203 |
|
---|
204 | /**
|
---|
205 | * Add image to the list of selected images
|
---|
206 | * @param image {@link ImageEntry} the image to add
|
---|
207 | * @since 15333
|
---|
208 | */
|
---|
209 | public void addImageToSelection(ImageEntry image) {
|
---|
210 | int index = data.indexOf(image);
|
---|
211 | if (selectedImagesIndex.get(0) == -1) {
|
---|
212 | setSelectedImage(image);
|
---|
213 | } else if (!selectedImagesIndex.contains(index)) {
|
---|
214 | selectedImagesIndex.add(index);
|
---|
215 | listeners.fireEvent(l -> l.selectedImageChanged(this));
|
---|
216 | }
|
---|
217 | }
|
---|
218 |
|
---|
219 | /**
|
---|
220 | * Remove the image from the list of selected images
|
---|
221 | * @param image {@link ImageEntry} the image to remove
|
---|
222 | * @since 15333
|
---|
223 | */
|
---|
224 | public void removeImageToSelection(ImageEntry image) {
|
---|
225 | int index = data.indexOf(image);
|
---|
226 | selectedImagesIndex.remove(selectedImagesIndex.indexOf(index));
|
---|
227 | if (selectedImagesIndex.isEmpty()) {
|
---|
228 | selectedImagesIndex.add(-1);
|
---|
229 | }
|
---|
230 | listeners.fireEvent(l -> l.selectedImageChanged(this));
|
---|
231 | }
|
---|
232 |
|
---|
233 | /**
|
---|
234 | * Clear the selected image(s)
|
---|
235 | */
|
---|
236 | public void clearSelectedImage() {
|
---|
237 | setSelectedImageIndex(-1);
|
---|
238 | }
|
---|
239 |
|
---|
240 | private void setSelectedImageIndex(int index) {
|
---|
241 | setSelectedImageIndex(index, false);
|
---|
242 | }
|
---|
243 |
|
---|
244 | private void setSelectedImageIndex(int index, boolean forceTrigger) {
|
---|
245 | if (selectedImagesIndex.size() > 1) {
|
---|
246 | selectedImagesIndex.clear();
|
---|
247 | selectedImagesIndex.add(-1);
|
---|
248 | }
|
---|
249 | if (index == selectedImagesIndex.get(0) && !forceTrigger) {
|
---|
250 | return;
|
---|
251 | }
|
---|
252 | selectedImagesIndex.set(0, index);
|
---|
253 | listeners.fireEvent(l -> l.selectedImageChanged(this));
|
---|
254 | }
|
---|
255 |
|
---|
256 | /**
|
---|
257 | * Remove the current selected image from the list
|
---|
258 | */
|
---|
259 | public void removeSelectedImage() {
|
---|
260 | List<ImageEntry> selectedImages = getSelectedImages();
|
---|
261 | if (selectedImages.size() > 1) {
|
---|
262 | throw new IllegalStateException(tr("Multiple images have been selected"));
|
---|
263 | }
|
---|
264 | removeImages(selectedImages);
|
---|
265 | }
|
---|
266 |
|
---|
267 | /**
|
---|
268 | * Remove the current selected image from the list
|
---|
269 | * @since 15348
|
---|
270 | */
|
---|
271 | public void removeSelectedImages() {
|
---|
272 | List<ImageEntry> selectedImages = getSelectedImages();
|
---|
273 | removeImages(selectedImages);
|
---|
274 | }
|
---|
275 |
|
---|
276 | private void removeImages(List<ImageEntry> selectedImages) {
|
---|
277 | if (selectedImages.isEmpty()) {
|
---|
278 | return;
|
---|
279 | }
|
---|
280 | for (ImageEntry img: getSelectedImages()) {
|
---|
281 | data.remove(img);
|
---|
282 | this.geoImages.remove(img);
|
---|
283 | }
|
---|
284 | if (selectedImagesIndex.get(0) >= data.size()) {
|
---|
285 | setSelectedImageIndex(data.size() - 1);
|
---|
286 | } else {
|
---|
287 | setSelectedImageIndex(selectedImagesIndex.get(0), true);
|
---|
288 | }
|
---|
289 | }
|
---|
290 |
|
---|
291 | /**
|
---|
292 | * Determines if the image is selected
|
---|
293 | * @param image the {@link ImageEntry} image
|
---|
294 | * @return {@code true} is the image is selected, {@code false} otherwise
|
---|
295 | * @since 15333
|
---|
296 | */
|
---|
297 | public boolean isImageSelected(ImageEntry image) {
|
---|
298 | int index = data.indexOf(image);
|
---|
299 | return selectedImagesIndex.contains(index);
|
---|
300 | }
|
---|
301 |
|
---|
302 | /**
|
---|
303 | * Remove the image from the list and trigger update listener
|
---|
304 | * @param img the {@link ImageEntry} to remove
|
---|
305 | */
|
---|
306 | public void removeImage(ImageEntry img) {
|
---|
307 | data.remove(img);
|
---|
308 | this.geoImages.remove(img);
|
---|
309 | notifyImageUpdate();
|
---|
310 | }
|
---|
311 |
|
---|
312 | /**
|
---|
313 | * Update the position of the image and trigger update
|
---|
314 | * @param img the image to update
|
---|
315 | * @param newPos the new position
|
---|
316 | */
|
---|
317 | public void updateImagePosition(ImageEntry img, LatLon newPos) {
|
---|
318 | img.setPos(newPos);
|
---|
319 | this.geoImages.remove(img);
|
---|
320 | this.geoImages.add(img);
|
---|
321 | afterImageUpdated(img);
|
---|
322 | }
|
---|
323 |
|
---|
324 | /**
|
---|
325 | * Update the image direction of the image and trigger update
|
---|
326 | * @param img the image to update
|
---|
327 | * @param direction the new direction
|
---|
328 | */
|
---|
329 | public void updateImageDirection(ImageEntry img, double direction) {
|
---|
330 | img.setExifImgDir(direction);
|
---|
331 | afterImageUpdated(img);
|
---|
332 | }
|
---|
333 |
|
---|
334 | /**
|
---|
335 | * Manually trigger the {@link ImageDataUpdateListener#imageDataUpdated(ImageData)}
|
---|
336 | */
|
---|
337 | public void notifyImageUpdate() {
|
---|
338 | listeners.fireEvent(l -> l.imageDataUpdated(this));
|
---|
339 | }
|
---|
340 |
|
---|
341 | private void afterImageUpdated(ImageEntry img) {
|
---|
342 | img.flagNewGpsData();
|
---|
343 | notifyImageUpdate();
|
---|
344 | }
|
---|
345 |
|
---|
346 | /**
|
---|
347 | * Add a listener that listens to image data changes
|
---|
348 | * @param listener the {@link ImageDataUpdateListener}
|
---|
349 | */
|
---|
350 | public void addImageDataUpdateListener(ImageDataUpdateListener listener) {
|
---|
351 | listeners.addListener(listener);
|
---|
352 | }
|
---|
353 |
|
---|
354 | /**
|
---|
355 | * Removes a listener that listens to image data changes
|
---|
356 | * @param listener The listener
|
---|
357 | */
|
---|
358 | public void removeImageDataUpdateListener(ImageDataUpdateListener listener) {
|
---|
359 | listeners.removeListener(listener);
|
---|
360 | }
|
---|
361 |
|
---|
362 | @Override
|
---|
363 | public Collection<DataSource> getDataSources() {
|
---|
364 | return Collections.emptyList();
|
---|
365 | }
|
---|
366 | }
|
---|