|
1
|
/**
|
|
2
|
* Copyright (C) 2014 EDIT
|
|
3
|
* European Distributed Institute of Taxonomy
|
|
4
|
* http://www.e-taxonomy.eu
|
|
5
|
*
|
|
6
|
* The contents of this file are subject to the Mozilla Public License Version 1.1
|
|
7
|
* See LICENSE.TXT at the top of this package for the full license terms.
|
|
8
|
*/
|
|
9
|
package eu.etaxonomy.taxeditor.ui.section.media;
|
|
10
|
|
|
11
|
import java.io.IOException;
|
|
12
|
import java.util.List;
|
|
13
|
import java.util.Set;
|
|
14
|
|
|
15
|
import org.apache.commons.imaging.ImageReadException;
|
|
16
|
import org.apache.http.HttpException;
|
|
17
|
import org.eclipse.core.runtime.IProgressMonitor;
|
|
18
|
import org.eclipse.core.runtime.IStatus;
|
|
19
|
import org.eclipse.core.runtime.Status;
|
|
20
|
import org.eclipse.core.runtime.jobs.Job;
|
|
21
|
import org.eclipse.swt.SWT;
|
|
22
|
import org.eclipse.swt.events.SelectionAdapter;
|
|
23
|
import org.eclipse.swt.events.SelectionEvent;
|
|
24
|
import org.eclipse.swt.widgets.Button;
|
|
25
|
import org.eclipse.swt.widgets.Label;
|
|
26
|
|
|
27
|
import eu.etaxonomy.cdm.common.URI;
|
|
28
|
import eu.etaxonomy.cdm.common.UriUtils;
|
|
29
|
import eu.etaxonomy.cdm.common.media.CdmImageInfo;
|
|
30
|
import eu.etaxonomy.cdm.model.common.CdmBase;
|
|
31
|
import eu.etaxonomy.cdm.model.media.ImageFile;
|
|
32
|
import eu.etaxonomy.cdm.model.media.Media;
|
|
33
|
import eu.etaxonomy.cdm.model.media.MediaRepresentation;
|
|
34
|
import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
|
|
35
|
import eu.etaxonomy.cdm.model.media.MediaUtils;
|
|
36
|
import eu.etaxonomy.taxeditor.l10n.Messages;
|
|
37
|
import eu.etaxonomy.taxeditor.model.MessagingUtils;
|
|
38
|
import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
|
|
39
|
import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
|
|
40
|
import eu.etaxonomy.taxeditor.store.StoreUtil;
|
|
41
|
import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
|
|
42
|
import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
|
|
43
|
import eu.etaxonomy.taxeditor.ui.element.ImageElement;
|
|
44
|
import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
|
|
45
|
import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
|
|
46
|
import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;
|
|
47
|
import eu.etaxonomy.taxeditor.ui.section.description.MediaDetailsSection;
|
|
48
|
|
|
49
|
/**
|
|
50
|
* @author pplitzner
|
|
51
|
* @date 25.08.2014
|
|
52
|
*/
|
|
53
|
public class MediaDetailElement extends AbstractCdmDetailElement<Media>{
|
|
54
|
|
|
55
|
private static final String LOAD_IMAGE = Messages.MediaDetailElement_LOAD_IMAGE;
|
|
56
|
|
|
57
|
private boolean isShowImage = true;
|
|
58
|
|
|
59
|
/**
|
|
60
|
* @author pplitzner
|
|
61
|
* @since Jul 11, 2019
|
|
62
|
*/
|
|
63
|
private final class LoadImageJob extends Job {
|
|
64
|
private URI uri;
|
|
65
|
private LoadImageJob(URI uri, String name) {
|
|
66
|
super(name);
|
|
67
|
this.uri = uri;
|
|
68
|
}
|
|
69
|
|
|
70
|
@Override
|
|
71
|
protected IStatus run(IProgressMonitor monitor) {
|
|
72
|
try {
|
|
73
|
//first check if uri refers to an actual (non-image) file
|
|
74
|
|
|
75
|
UriUtils.getInputStream(uri);// will fail with a FileNotFoundException if not
|
|
76
|
|
|
77
|
CdmImageInfo imageInfo = CdmImageInfo.NewInstance(uri, 10000);//will fail when it is no image file
|
|
78
|
MediaDetailElement.this.getLayoutComposite().getDisplay().asyncExec(()->{
|
|
79
|
singleMediaRepresentationPart.setSize((int) imageInfo.getLength());
|
|
80
|
if(singleMediaRepresentationPart.isInstanceOf(ImageFile.class)){
|
|
81
|
ImageFile image = CdmBase.deproxy(singleMediaRepresentationPart, ImageFile.class);
|
|
82
|
image.setHeight(imageInfo.getHeight());
|
|
83
|
image.setWidth(imageInfo.getWidth());
|
|
84
|
}
|
|
85
|
if(singleMediaRepresentationPart.getMediaRepresentation()!=null){
|
|
86
|
singleMediaRepresentationPart.getMediaRepresentation().setMimeType(imageInfo.getMimeType());
|
|
87
|
singleMediaRepresentationPart.getMediaRepresentation().setSuffix(imageInfo.getSuffix());
|
|
88
|
}
|
|
89
|
disposeImage();
|
|
90
|
if (!parentFormElement.getLayoutComposite().isDisposed()) {
|
|
91
|
element_image = formFactory.createImageElement(parentFormElement, uri, style);
|
|
92
|
// StoreUtil.reflowParentScrolledForm(getLayoutComposite(), true);
|
|
93
|
try {
|
|
94
|
element_image.initImageUri(uri);
|
|
95
|
} catch (IOException | HttpException e) {
|
|
96
|
exception(e);
|
|
97
|
}
|
|
98
|
element_image.loadImage();
|
|
99
|
|
|
100
|
disposeErrorLabel();
|
|
101
|
StoreUtil.reflowParentScrolledForm(getLayoutComposite(), true);
|
|
102
|
|
|
103
|
|
|
104
|
}
|
|
105
|
});
|
|
106
|
} catch (Exception e){
|
|
107
|
exception(e);
|
|
108
|
}
|
|
109
|
return Status.OK_STATUS;
|
|
110
|
}
|
|
111
|
}
|
|
112
|
|
|
113
|
private UriWithLabelElement textUri;
|
|
114
|
private MediaRepresentationSection section_mediaRepresentation;
|
|
115
|
|
|
116
|
private boolean isAdvancedMediaView;
|
|
117
|
private MediaRepresentationPart singleMediaRepresentationPart;
|
|
118
|
private ICdmFormElement parentFormElement;
|
|
119
|
private int style;
|
|
120
|
|
|
121
|
/**
|
|
122
|
* Used to store the URI even if it is invalid and thus cannot be stored in CDM
|
|
123
|
*/
|
|
124
|
private String uriBuffer;
|
|
125
|
private ImageElement element_image;
|
|
126
|
private Label lblNoImage;
|
|
127
|
|
|
128
|
public MediaDetailElement(CdmFormFactory formFactory, ICdmFormElement formElement) {
|
|
129
|
super(formFactory, formElement);
|
|
130
|
}
|
|
131
|
|
|
132
|
@Override
|
|
133
|
protected void createControls(ICdmFormElement formElement, Media entity, int style) {
|
|
134
|
this.parentFormElement = formElement;
|
|
135
|
this.style = style;
|
|
136
|
}
|
|
137
|
|
|
138
|
@Override
|
|
139
|
public void setEntity(Media entity) {
|
|
140
|
super.setEntity(entity);
|
|
141
|
if(singleMediaRepresentationPart==null){
|
|
142
|
singleMediaRepresentationPart = MediaUtils.initFirstMediaRepresentationPart(entity, true);
|
|
143
|
}
|
|
144
|
initIsAdvancedMediaView();
|
|
145
|
showAdvancedView();
|
|
146
|
}
|
|
147
|
|
|
148
|
public boolean isShowImage() {
|
|
149
|
return isShowImage;
|
|
150
|
}
|
|
151
|
|
|
152
|
public void setShowImage(boolean isShowImage) {
|
|
153
|
this.isShowImage = isShowImage;
|
|
154
|
}
|
|
155
|
|
|
156
|
@Override
|
|
157
|
public void handleEvent(Object eventSource){
|
|
158
|
if(eventSource==textUri){
|
|
159
|
textUri.setBackground(getPersistentBackground());
|
|
160
|
URI uri = textUri.parseText();
|
|
161
|
singleMediaRepresentationPart.setUri(uri);
|
|
162
|
if(uri==null){
|
|
163
|
uriBuffer=textUri.getText();
|
|
164
|
}
|
|
165
|
else{
|
|
166
|
if (isShowImage){
|
|
167
|
LoadImageJob job = new LoadImageJob(uri, LOAD_IMAGE);
|
|
168
|
job.schedule();
|
|
169
|
}
|
|
170
|
}
|
|
171
|
if (this.getParentElement() != null && this.getParentElement() instanceof MediaMetaElement){
|
|
172
|
MediaMetaElement metaElement = (MediaMetaElement)this.getParentElement();
|
|
173
|
if (metaElement.getParentElement() != null && metaElement.getParentElement() instanceof MediaDetailsSection){
|
|
174
|
MediaDetailsSection sec = (MediaDetailsSection)metaElement.getParentElement();
|
|
175
|
sec.setMediaSectionTitle();
|
|
176
|
}
|
|
177
|
}
|
|
178
|
|
|
179
|
}
|
|
180
|
}
|
|
181
|
|
|
182
|
private void exception(Exception e){
|
|
183
|
if(!getLayoutComposite().isDisposed()){
|
|
184
|
getLayoutComposite().getDisplay().asyncExec(()->{
|
|
185
|
String exceptionString;
|
|
186
|
if(e.getCause()!=null && e.getCause().getClass().equals(ImageReadException.class)){
|
|
187
|
disposeErrorLabel();
|
|
188
|
exceptionString = Messages.MediaDetailElement_NO_PREVIEW;
|
|
189
|
}
|
|
190
|
else{
|
|
191
|
disposeErrorLabel();
|
|
192
|
exceptionString = Messages.MediaDetailElement_NO_FILE_FOUND;
|
|
193
|
}
|
|
194
|
disposeImage();
|
|
195
|
if(lblNoImage==null){
|
|
196
|
lblNoImage = formFactory.createLabel(getLayoutComposite(), exceptionString);
|
|
197
|
lblNoImage.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
|
|
198
|
lblNoImage.setAlignment(SWT.CENTER);
|
|
199
|
}
|
|
200
|
StoreUtil.reflowParentScrolledForm(getLayoutComposite(), true);
|
|
201
|
});
|
|
202
|
}
|
|
203
|
}
|
|
204
|
|
|
205
|
private void disposeImage(){
|
|
206
|
if(element_image!=null){
|
|
207
|
element_image.dispose();
|
|
208
|
element_image = null;
|
|
209
|
}
|
|
210
|
}
|
|
211
|
|
|
212
|
private void disposeErrorLabel() {
|
|
213
|
if(lblNoImage!=null){
|
|
214
|
lblNoImage.dispose();
|
|
215
|
}
|
|
216
|
lblNoImage = null;
|
|
217
|
}
|
|
218
|
|
|
219
|
public void toggleAdvancedMediaView() {
|
|
220
|
if (getEntity().getRepresentations() != null
|
|
221
|
&& (getEntity().getRepresentations().size() > 1 ||
|
|
222
|
(getEntity().getRepresentations().size() == 1
|
|
223
|
&& getEntity().getRepresentations().iterator().next().getParts().size() > 1))) {
|
|
224
|
MessagingUtils.informationDialog(Messages.MediaDetailElement_TOGGLE_NOT_POSSIBLE_TITLE,
|
|
225
|
Messages.MediaDetailElement_TOGGLE_NOT_POSSIBLE_MESSAGE);
|
|
226
|
// toggling is only possible if there are no more than one
|
|
227
|
// MediaRepresentation resp. MediaRepresentationParts
|
|
228
|
return;
|
|
229
|
}
|
|
230
|
isAdvancedMediaView = !isAdvancedMediaView;
|
|
231
|
showAdvancedView();
|
|
232
|
StoreUtil.reflowParentScrolledForm(getLayoutComposite(), true);
|
|
233
|
}
|
|
234
|
|
|
235
|
private void showAdvancedView() {
|
|
236
|
|
|
237
|
if(isAdvancedMediaView){
|
|
238
|
if(textUri!=null){
|
|
239
|
removeElementsAndControls(textUri);
|
|
240
|
}
|
|
241
|
disposeImage();
|
|
242
|
section_mediaRepresentation = formFactory.createMediaRepresentationSection(getConversationHolder(), parentFormElement, StoreUtil.getSectionStyle(MediaRepresentationSection.class, getEntity().getClass().getCanonicalName()));
|
|
243
|
section_mediaRepresentation.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
|
|
244
|
section_mediaRepresentation.setEntity(getEntity());
|
|
245
|
//set buffered uri as text if uri had parsing problems in simple view
|
|
246
|
if(uriBuffer!=null){
|
|
247
|
section_mediaRepresentation.getLayoutComposite().getChildren();
|
|
248
|
}
|
|
249
|
}
|
|
250
|
else{
|
|
251
|
if(section_mediaRepresentation!=null){
|
|
252
|
removeElementsAndControls(section_mediaRepresentation);
|
|
253
|
}
|
|
254
|
textUri = formFactory.createUriWithLabelElement(parentFormElement, Messages.MediaDetailElement_Media_URI, null, style);
|
|
255
|
URI uri = singleMediaRepresentationPart.getUri();
|
|
256
|
textUri.setParsedText(uri);
|
|
257
|
//set buffered uri as text if uri had parsing problems in advanced view
|
|
258
|
if(uri==null && uriBuffer!=null){
|
|
259
|
textUri.setText(uriBuffer);
|
|
260
|
textUri.parseText();
|
|
261
|
}
|
|
262
|
textUri.getLayoutComposite().layout();
|
|
263
|
if (isShowImage){
|
|
264
|
LoadImageJob job = new LoadImageJob(singleMediaRepresentationPart.getUri(), LOAD_IMAGE);
|
|
265
|
job.schedule();
|
|
266
|
} else{
|
|
267
|
Button button_showImage = formFactory.createButton(getLayoutComposite(), Messages.MediaDetailElement_SHOW_IMAGE, SWT.PUSH);
|
|
268
|
button_showImage.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
|
|
269
|
button_showImage.addSelectionListener(new SelectionAdapter() {
|
|
270
|
@Override
|
|
271
|
public void widgetSelected(SelectionEvent e) {
|
|
272
|
LoadImageJob job = new LoadImageJob(singleMediaRepresentationPart.getUri(), Messages.MediaDetailElement_LOAD_IMAGE);
|
|
273
|
job.schedule();
|
|
274
|
button_showImage.setText(Messages.MediaDetailElement_RELOAD_IMAGE);
|
|
275
|
}
|
|
276
|
});
|
|
277
|
}
|
|
278
|
}
|
|
279
|
}
|
|
280
|
|
|
281
|
private void initIsAdvancedMediaView(){
|
|
282
|
if(PreferencesUtil.getBooleanValue(IPreferenceKeys.SHOW_ADVANCED_MEDIA_SECTION)){
|
|
283
|
isAdvancedMediaView = true;
|
|
284
|
return;
|
|
285
|
}
|
|
286
|
Set<MediaRepresentation> representations = getEntity().getRepresentations();
|
|
287
|
if(representations.size()>1){
|
|
288
|
isAdvancedMediaView = true;
|
|
289
|
return;
|
|
290
|
}
|
|
291
|
if(representations.size()==1){
|
|
292
|
List<MediaRepresentationPart> parts = representations.iterator().next().getParts();
|
|
293
|
if(parts.size()>1){
|
|
294
|
isAdvancedMediaView = true;
|
|
295
|
return;
|
|
296
|
}
|
|
297
|
}
|
|
298
|
isAdvancedMediaView = false;
|
|
299
|
}
|
|
300
|
|
|
301
|
public boolean isAdvancedMediaView() {
|
|
302
|
return isAdvancedMediaView;
|
|
303
|
}
|
|
304
|
|
|
305
|
public void setUriBuffer(String uriBuffer) {
|
|
306
|
this.uriBuffer = uriBuffer;
|
|
307
|
}
|
|
308
|
|
|
309
|
public String getUriBuffer() {
|
|
310
|
return uriBuffer;
|
|
311
|
}
|
|
312
|
|
|
313
|
}
|