1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
/*******************************************************************************
* Copyright (c) 2012 Obeo.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.ide.ui.internal.structuremergeviewer.provider;
import static com.google.common.collect.Lists.newArrayList;
import java.util.Collection;
import org.eclipse.compare.ITypedElement;
import org.eclipse.compare.structuremergeviewer.ICompareInput;
import org.eclipse.compare.structuremergeviewer.IDiffContainer;
import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.compare.util.CompareAdapterFactory;
import org.eclipse.emf.edit.provider.ChangeNotifier;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.IChangeNotifier;
import org.eclipse.emf.edit.provider.IDisposable;
import org.eclipse.emf.edit.provider.INotifyChangedListener;
/**
* Adapter factory that creates structures for Compare framework.
*
* @author <a href="mailto:mikael.barbero@obeo.fr">Mikael Barbero</a>
*/
public class CompareNodeAdapterFactory extends CompareAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier, IDisposable {
/**
* This keeps track of the root adapter factory that delegates to this adapter factory.
*/
protected ComposedAdapterFactory parentAdapterFactory;
/**
* This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
*/
protected final IChangeNotifier changeNotifier = new ChangeNotifier();
/**
* This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
*/
protected final Collection<Object> supportedTypes = newArrayList();
/**
* Creates an {@link ComposeableAdapterFactory} with the following supported types:
* <ul>
* <li>{@link IDiffElement}</li>,
* <li>{@link IDiffContainer}</li>,
* <li>{@link ITypedElement}</li>,
* <li>{@link ICompareInput}</li>.
* </ul>
*/
public CompareNodeAdapterFactory() {
supportedTypes.add(IDiffElement.class);
supportedTypes.add(IDiffContainer.class);
supportedTypes.add(ITypedElement.class);
supportedTypes.add(ICompareInput.class);
}
@Override
public boolean isFactoryForType(Object type) {
return supportedTypes.contains(type) || super.isFactoryForType(type);
}
/**
* This implementation substitutes the factory itself as the key for the adapter.
*
* @param notifier
* the notifier to adapt
* @param type
* unused
* @return a previously existing associated adapter, a new associated adapter if possible, or
* <code>null</code> otherwise.
*/
@Override
public Adapter adapt(Notifier notifier, Object type) {
return super.adapt(notifier, this);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.common.notify.impl.AdapterFactoryImpl#adapt(java.lang.Object, java.lang.Object)
*/
@Override
public Object adapt(Object object, Object type) {
if (isFactoryForType(type)) {
Object adapter = super.adapt(object, type);
if (!(type instanceof Class<?>) || (((Class<?>)type).isInstance(adapter))) {
return adapter;
}
}
return null;
}
/**
* This returns the root adapter factory that contains this factory.
*
* @return the root adapter factory that contains this factory.
*/
public ComposeableAdapterFactory getRootAdapterFactory() {
ComposeableAdapterFactory ret = this;
if (parentAdapterFactory != null) {
ret = parentAdapterFactory.getRootAdapterFactory();
}
return ret;
}
/**
* This sets the direct parent adapter factory into which this factory is composed.
*
* @param parentAdapterFactory
* the direct parent adapter factory into which this factory is composed
*/
public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
this.parentAdapterFactory = parentAdapterFactory;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createComparisonAdapter()
*/
@Override
public Adapter createComparisonAdapter() {
return new ComparisonNode(getRootAdapterFactory());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createMatchResourceAdapter()
*/
@Override
public Adapter createMatchResourceAdapter() {
return new MatchResourceNode(getRootAdapterFactory());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createMatchAdapter()
*/
@Override
public Adapter createMatchAdapter() {
return new MatchNode(getRootAdapterFactory());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createDiffAdapter()
*/
@Override
public Adapter createDiffAdapter() {
return new DiffNode(getRootAdapterFactory());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createResourceAttachmentChangeAdapter()
*/
@Override
public Adapter createResourceAttachmentChangeAdapter() {
return new ResourceAttachmentChangeNode(getRootAdapterFactory());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createReferenceChangeAdapter()
*/
@Override
public Adapter createReferenceChangeAdapter() {
return new ReferenceChangeNode(getRootAdapterFactory());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createAttributeChangeAdapter()
*/
@Override
public Adapter createAttributeChangeAdapter() {
return new AttributeChangeNode(getRootAdapterFactory());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createConflictAdapter()
*/
@Override
public Adapter createConflictAdapter() {
return new ConflictNode(getRootAdapterFactory());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.util.CompareAdapterFactory#createEquivalenceAdapter()
*/
@Override
public Adapter createEquivalenceAdapter() {
return new EquivalenceNode(getRootAdapterFactory());
}
/**
* This adds a listener.
*
* @param notifyChangedListener
* the listener to add.
*/
public void addListener(INotifyChangedListener notifyChangedListener) {
changeNotifier.addListener(notifyChangedListener);
}
/**
* This removes a listener.
*
* @param notifyChangedListener
* the listener to remove.
*/
public void removeListener(INotifyChangedListener notifyChangedListener) {
changeNotifier.removeListener(notifyChangedListener);
}
/**
* This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
*
* @param notification
* the notification to fire.
*/
public void fireNotifyChanged(Notification notification) {
changeNotifier.fireNotifyChanged(notification);
if (parentAdapterFactory != null) {
parentAdapterFactory.fireNotifyChanged(notification);
}
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.edit.provider.IDisposable#dispose()
*/
public void dispose() {
}
}
|
