|
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.net.URI;
|
|
13
|
import java.util.List;
|
|
14
|
import java.util.Set;
|
|
15
|
|
|
16
|
import org.apache.http.HttpException;
|
|
17
|
import org.apache.sanselan.ImageReadException;
|
|
18
|
import org.eclipse.core.runtime.IProgressMonitor;
|
|
19
|
import org.eclipse.core.runtime.IStatus;
|
|
20
|
import org.eclipse.core.runtime.Status;
|
|
21
|
import org.eclipse.core.runtime.jobs.Job;
|
|
22
|
import org.eclipse.swt.SWT;
|
|
23
|
import org.eclipse.swt.widgets.Label;
|
|
24
|
|
|
25
|
import eu.etaxonomy.cdm.common.UriUtils;
|
|
26
|
import eu.etaxonomy.cdm.common.media.ImageInfo;
|
|
27
|
import eu.etaxonomy.cdm.model.common.CdmBase;
|
|
28
|
import eu.etaxonomy.cdm.model.media.ImageFile;
|
|
29
|
import eu.etaxonomy.cdm.model.media.Media;
|
|
30
|
import eu.etaxonomy.cdm.model.media.MediaRepresentation;
|
|
31
|
import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
|
|
32
|
import eu.etaxonomy.cdm.model.media.MediaUtils;
|
|
33
|
import eu.etaxonomy.taxeditor.model.MessagingUtils;
|
|
34
|
import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
|
|
35
|
import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
|
|
36
|
import eu.etaxonomy.taxeditor.store.StoreUtil;
|
|
37
|
import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
|
|
38
|
import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
|
|
39
|
import eu.etaxonomy.taxeditor.ui.element.ImageElement;
|
|
40
|
import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
|
|
41
|
import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
|
|
42
|
import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;
|
|
43
|
|
|
44
|
/**
|
|
45
|
* @author pplitzner
|
|
46
|
* @date 25.08.2014
|
|
47
|
*
|
|
48
|
*/
|
|
49
|
public class MediaDetailElement extends AbstractCdmDetailElement<Media>{
|
|
50
|
|
|
51
|
/**
|
|
52
|
* @author pplitzner
|
|
53
|
* @since Jul 11, 2019
|
|
54
|
*
|
|
55
|
*/
|
|
56
|
private final class LoadImageJob extends Job {
|
|
57
|
private URI uri;
|
|
58
|
private LoadImageJob(URI uri, String name) {
|
|
59
|
super(name);
|
|
60
|
this.uri = uri;
|
|
61
|
}
|
|
62
|
|
|
63
|
@Override
|
|
64
|
protected IStatus run(IProgressMonitor monitor) {
|
|
65
|
ImageInfo imageInfo;
|
|
66
|
try {
|
|
67
|
//first check if uri refers to an actual (non-image) file
|
|
68
|
UriUtils.getInputStream(uri);// will fail with a FileNotFoundException if not
|
|
69
|
imageInfo = ImageInfo.NewInstance(uri, 10000);//will fail when it is no image file
|
|
70
|
MediaDetailElement.this.getLayoutComposite().getDisplay().asyncExec(()->{
|
|
71
|
singleMediaRepresentationPart.setSize((int) imageInfo.getLength());
|
|
72
|
if(singleMediaRepresentationPart.isInstanceOf(ImageFile.class)){
|
|
73
|
ImageFile image = CdmBase.deproxy(singleMediaRepresentationPart, ImageFile.class);
|
|
74
|
image.setHeight(imageInfo.getHeight());
|
|
75
|
image.setWidth(imageInfo.getWidth());
|
|
76
|
}
|
|
77
|
singleMediaRepresentationPart.getMediaRepresentation().setMimeType(imageInfo.getMimeType());
|
|
78
|
singleMediaRepresentationPart.getMediaRepresentation().setSuffix(imageInfo.getSuffix());
|
|
79
|
element_image = formFactory.createImageElement(parentFormElement, uri, style);
|
|
80
|
StoreUtil.reflowParentScrolledForm(getLayoutComposite(), true);
|
|
81
|
try {
|
|
82
|
element_image.initImageUri(uri);
|
|
83
|
} catch (IOException | HttpException e) {
|
|
84
|
exception(e, uri);
|
|
85
|
}
|
|
86
|
element_image.loadImage();
|
|
87
|
disposeErrorLabel();
|
|
88
|
});
|
|
89
|
} catch (IOException|HttpException e){
|
|
90
|
exception(e, uri);
|
|
91
|
}
|
|
92
|
return Status.OK_STATUS;
|
|
93
|
}
|
|
94
|
}
|
|
95
|
|
|
96
|
private UriWithLabelElement textUri;
|
|
97
|
private MediaRepresentationSection section_mediaRepresentation;
|
|
98
|
|
|
99
|
private boolean isAdvancedMediaView;
|
|
100
|
private MediaRepresentationPart singleMediaRepresentationPart;
|
|
101
|
private ICdmFormElement parentFormElement;
|
|
102
|
private int style;
|
|
103
|
|
|
104
|
/**
|
|
105
|
* Used to store the URI even if it is invalid and thus cannot be stored in CDM
|
|
106
|
*/
|
|
107
|
private String uriBuffer;
|
|
108
|
private ImageElement element_image;
|
|
109
|
private Label lblNoImage;
|
|
110
|
|
|
111
|
public MediaDetailElement(CdmFormFactory formFactory, ICdmFormElement formElement) {
|
|
112
|
super(formFactory, formElement);
|
|
113
|
}
|
|
114
|
|
|
115
|
@Override
|
|
116
|
protected void createControls(ICdmFormElement formElement, Media entity, int style) {
|
|
117
|
|
|
118
|
this.parentFormElement = formElement;
|
|
119
|
this.style = style;
|
|
120
|
|
|
121
|
}
|
|
122
|
|
|
123
|
@Override
|
|
124
|
public void setEntity(Media entity) {
|
|
125
|
super.setEntity(entity);
|
|
126
|
if(singleMediaRepresentationPart==null){
|
|
127
|
singleMediaRepresentationPart = MediaUtils.initFirstMediaRepresentationPart(entity, true);
|
|
128
|
}
|
|
129
|
initIsAdvancedMediaView();
|
|
130
|
showAdvancedView();
|
|
131
|
}
|
|
132
|
|
|
133
|
@Override
|
|
134
|
public void handleEvent(Object eventSource){
|
|
135
|
if(eventSource==textUri){
|
|
136
|
textUri.setBackground(getPersistentBackground());
|
|
137
|
URI uri = textUri.parseText();
|
|
138
|
singleMediaRepresentationPart.setUri(uri);
|
|
139
|
if(uri==null){
|
|
140
|
uriBuffer=textUri.getText();
|
|
141
|
}
|
|
142
|
else{
|
|
143
|
new LoadImageJob(uri, "loadImage").schedule();
|
|
144
|
}
|
|
145
|
}
|
|
146
|
}
|
|
147
|
|
|
148
|
private void exception(Exception e, URI uri){
|
|
149
|
getLayoutComposite().getDisplay().asyncExec(()->{
|
|
150
|
if(e.getCause()!=null && e.getCause().getClass().equals(ImageReadException.class)){
|
|
151
|
disposeErrorLabel();
|
|
152
|
handleException(uri, "No preview available for this file type");
|
|
153
|
}
|
|
154
|
else{
|
|
155
|
disposeErrorLabel();
|
|
156
|
handleException(uri, "No file found");
|
|
157
|
}
|
|
158
|
});
|
|
159
|
}
|
|
160
|
|
|
161
|
private void disposeErrorLabel() {
|
|
162
|
if(lblNoImage!=null){
|
|
163
|
lblNoImage.dispose();
|
|
164
|
}
|
|
165
|
lblNoImage = null;
|
|
166
|
}
|
|
167
|
|
|
168
|
public void toggleAdvancedMediaView() {
|
|
169
|
if (getEntity().getRepresentations() != null
|
|
170
|
&& (getEntity().getRepresentations().size() > 1 ||
|
|
171
|
(getEntity().getRepresentations().size() == 1
|
|
172
|
&& getEntity().getRepresentations().iterator().next().getParts().size() > 1))) {
|
|
173
|
MessagingUtils.informationDialog("Toggling not possible",
|
|
174
|
"Media consists of multiple representations or representatio parts");
|
|
175
|
// toggling is only possible if there are no more than one
|
|
176
|
// MediaRepresentation resp. MediaRepresentationParts
|
|
177
|
return;
|
|
178
|
}
|
|
179
|
isAdvancedMediaView = !isAdvancedMediaView;
|
|
180
|
showAdvancedView();
|
|
181
|
StoreUtil.reflowParentScrolledForm(getLayoutComposite(), true);
|
|
182
|
}
|
|
183
|
|
|
184
|
private void showAdvancedView() {
|
|
185
|
|
|
186
|
if(isAdvancedMediaView){
|
|
187
|
if(textUri!=null){
|
|
188
|
removeElementsAndControls(textUri);
|
|
189
|
}
|
|
190
|
if(element_image!=null){
|
|
191
|
element_image.dispose();
|
|
192
|
element_image = null;
|
|
193
|
}
|
|
194
|
section_mediaRepresentation = formFactory.createMediaRepresentationSection(getConversationHolder(), parentFormElement, StoreUtil.getSectionStyle(MediaRepresentationSection.class, getEntity().getClass().getCanonicalName()));
|
|
195
|
section_mediaRepresentation.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
|
|
196
|
section_mediaRepresentation.setEntity(getEntity());
|
|
197
|
//set buffered uri as text if uri had parsing problems in simple view
|
|
198
|
if(uriBuffer!=null){
|
|
199
|
section_mediaRepresentation.getLayoutComposite().getChildren();
|
|
200
|
}
|
|
201
|
}
|
|
202
|
else{
|
|
203
|
if(section_mediaRepresentation!=null){
|
|
204
|
removeElementsAndControls(section_mediaRepresentation);
|
|
205
|
}
|
|
206
|
textUri = formFactory.createUriWithLabelElement(parentFormElement, "Media URI", null, style);
|
|
207
|
URI uri = singleMediaRepresentationPart.getUri();
|
|
208
|
textUri.setParsedText(uri);
|
|
209
|
//set buffered uri as text if uri had parsing problems in advanced view
|
|
210
|
if(uri==null && uriBuffer!=null){
|
|
211
|
textUri.setText(uriBuffer);
|
|
212
|
textUri.parseText();
|
|
213
|
}
|
|
214
|
textUri.getLayoutComposite().layout();
|
|
215
|
|
|
216
|
new LoadImageJob(singleMediaRepresentationPart.getUri(), "loadImage").schedule();
|
|
217
|
}
|
|
218
|
}
|
|
219
|
|
|
220
|
private void initIsAdvancedMediaView(){
|
|
221
|
if(PreferencesUtil.getBooleanValue(IPreferenceKeys.SHOW_ADVANCED_MEDIA_SECTION)){
|
|
222
|
isAdvancedMediaView = true;
|
|
223
|
return;
|
|
224
|
}
|
|
225
|
Set<MediaRepresentation> representations = getEntity().getRepresentations();
|
|
226
|
if(representations.size()>1){
|
|
227
|
isAdvancedMediaView = true;
|
|
228
|
return;
|
|
229
|
}
|
|
230
|
if(representations.size()==1){
|
|
231
|
List<MediaRepresentationPart> parts = representations.iterator().next().getParts();
|
|
232
|
if(parts.size()>1){
|
|
233
|
isAdvancedMediaView = true;
|
|
234
|
return;
|
|
235
|
}
|
|
236
|
}
|
|
237
|
isAdvancedMediaView = false;
|
|
238
|
}
|
|
239
|
|
|
240
|
private void handleException(URI uri, String labelText) {
|
|
241
|
if(element_image!=null){
|
|
242
|
element_image.unloadImage();
|
|
243
|
element_image.loadImage();
|
|
244
|
element_image.dispose();
|
|
245
|
}
|
|
246
|
if(lblNoImage==null){
|
|
247
|
lblNoImage = formFactory.createLabel(getLayoutComposite(), labelText);
|
|
248
|
lblNoImage.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
|
|
249
|
lblNoImage.setAlignment(SWT.CENTER);
|
|
250
|
}
|
|
251
|
}
|
|
252
|
|
|
253
|
public boolean isAdvancedMediaView() {
|
|
254
|
return isAdvancedMediaView;
|
|
255
|
}
|
|
256
|
|
|
257
|
public void setUriBuffer(String uriBuffer) {
|
|
258
|
this.uriBuffer = uriBuffer;
|
|
259
|
}
|
|
260
|
|
|
261
|
public String getUriBuffer() {
|
|
262
|
return uriBuffer;
|
|
263
|
}
|
|
264
|
|
|
265
|
}
|