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Package: DiffmergeItemProviderAdapterFactory$ViewChildCreationExtender
DiffmergeItemProviderAdapterFactory$ViewChildCreationExtender
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| getNewChildDescriptors(Object, EditingDomain) |
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Coverage
1: /**
2: * Copyright (c) 2011-2014 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * EclipseSource Munich - initial API and implementation
13: */
14: package org.eclipse.emf.ecp.spi.diffmerge.model.provider;
15:
16: import java.util.ArrayList;
17: import java.util.Collection;
18: import java.util.List;
19:
20: import org.eclipse.emf.common.notify.Adapter;
21: import org.eclipse.emf.common.notify.Notification;
22: import org.eclipse.emf.common.notify.Notifier;
23: import org.eclipse.emf.common.util.ResourceLocator;
24: import org.eclipse.emf.ecore.EObject;
25: import org.eclipse.emf.ecp.spi.diffmerge.model.VDiffmergeFactory;
26: import org.eclipse.emf.ecp.spi.diffmerge.model.VDiffmergePackage;
27: import org.eclipse.emf.ecp.spi.diffmerge.model.util.DiffmergeAdapterFactory;
28: import org.eclipse.emf.ecp.view.spi.model.VElement;
29: import org.eclipse.emf.ecp.view.spi.model.VViewPackage;
30: import org.eclipse.emf.ecp.view.spi.model.util.ViewSwitch;
31: import org.eclipse.emf.edit.command.CommandParameter;
32: import org.eclipse.emf.edit.domain.EditingDomain;
33: import org.eclipse.emf.edit.provider.ChangeNotifier;
34: import org.eclipse.emf.edit.provider.ChildCreationExtenderManager;
35: import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
36: import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
37: import org.eclipse.emf.edit.provider.IChangeNotifier;
38: import org.eclipse.emf.edit.provider.IChildCreationExtender;
39: import org.eclipse.emf.edit.provider.IDisposable;
40: import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
41: import org.eclipse.emf.edit.provider.IItemLabelProvider;
42: import org.eclipse.emf.edit.provider.IItemPropertySource;
43: import org.eclipse.emf.edit.provider.INotifyChangedListener;
44: import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
45: import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
46:
47: /**
48: * This is the factory that is used to provide the interfaces needed to support
49: * Viewers. The adapters generated by this factory convert EMF adapter
50: * notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}. The
51: * adapters also support Eclipse property sheets. Note that most of the adapters
52: * are shared among multiple instances. <!-- begin-user-doc --> <!--
53: * end-user-doc -->
54: *
55: * @generated
56: */
57: public class DiffmergeItemProviderAdapterFactory extends
58: DiffmergeAdapterFactory implements ComposeableAdapterFactory,
59: IChangeNotifier, IDisposable, IChildCreationExtender {
60: /**
61: * This keeps track of the root adapter factory that delegates to this
62: * adapter factory. <!-- begin-user-doc --> <!-- end-user-doc -->
63: *
64: * @generated
65: */
66: protected ComposedAdapterFactory parentAdapterFactory;
67:
68: /**
69: * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}. <!--
70: * begin-user-doc --> <!-- end-user-doc -->
71: *
72: * @generated
73: */
74: protected IChangeNotifier changeNotifier = new ChangeNotifier();
75:
76: /**
77: * This helps manage the child creation extenders. <!-- begin-user-doc -->
78: * <!-- end-user-doc -->
79: *
80: * @generated
81: */
82: protected ChildCreationExtenderManager childCreationExtenderManager = new ChildCreationExtenderManager(
83: DiffmergeEditPlugin.INSTANCE, VDiffmergePackage.eNS_URI);
84:
85: /**
86: * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}. <!--
87: * begin-user-doc --> <!--
88: * end-user-doc -->
89: *
90: * @generated
91: */
92: protected Collection<Object> supportedTypes = new ArrayList<Object>();
93:
94: /**
95: * This constructs an instance. <!-- begin-user-doc --> <!-- end-user-doc
96: * -->
97: *
98: * @generated
99: */
100: public DiffmergeItemProviderAdapterFactory() {
101: supportedTypes.add(IEditingDomainItemProvider.class);
102: supportedTypes.add(IStructuredItemContentProvider.class);
103: supportedTypes.add(ITreeItemContentProvider.class);
104: supportedTypes.add(IItemLabelProvider.class);
105: supportedTypes.add(IItemPropertySource.class);
106: }
107:
108: /**
109: * This keeps track of the one adapter used for all {@link org.eclipse.emf.ecp.spi.diffmerge.model.VDiffAttachment}
110: * instances. <!-- begin-user-doc --> <!-- end-user-doc -->
111: *
112: * @generated
113: */
114: protected DiffAttachmentItemProvider diffAttachmentItemProvider;
115:
116: /**
117: * This creates an adapter for a {@link org.eclipse.emf.ecp.spi.diffmerge.model.VDiffAttachment}. <!--
118: * begin-user-doc --> <!-- end-user-doc -->
119: *
120: * @generated
121: */
122: @Override
123: public Adapter createDiffAttachmentAdapter() {
124: if (diffAttachmentItemProvider == null) {
125: diffAttachmentItemProvider = new DiffAttachmentItemProvider(this);
126: }
127:
128: return diffAttachmentItemProvider;
129: }
130:
131: /**
132: * This returns the root adapter factory that contains this factory. <!--
133: * begin-user-doc --> <!-- end-user-doc -->
134: *
135: * @generated
136: */
137: @Override
138: public ComposeableAdapterFactory getRootAdapterFactory() {
139: return parentAdapterFactory == null ? this
140: : parentAdapterFactory
141: .getRootAdapterFactory();
142: }
143:
144: /**
145: * This sets the composed adapter factory that contains this factory. <!--
146: * begin-user-doc --> <!-- end-user-doc -->
147: *
148: * @generated
149: */
150: @Override
151: public void setParentAdapterFactory(
152: ComposedAdapterFactory parentAdapterFactory) {
153: this.parentAdapterFactory = parentAdapterFactory;
154: }
155:
156: /**
157: * <!-- begin-user-doc --> <!-- end-user-doc -->
158: *
159: * @generated
160: */
161: @Override
162: public boolean isFactoryForType(Object type) {
163: return supportedTypes.contains(type) || super.isFactoryForType(type);
164: }
165:
166: /**
167: * This implementation substitutes the factory itself as the key for the
168: * adapter. <!-- begin-user-doc --> <!-- end-user-doc -->
169: *
170: * @generated
171: */
172: @Override
173: public Adapter adapt(Notifier notifier, Object type) {
174: return super.adapt(notifier, this);
175: }
176:
177: /**
178: * <!-- begin-user-doc --> <!-- end-user-doc -->
179: *
180: * @generated
181: */
182: @Override
183: public Object adapt(Object object, Object type) {
184: if (isFactoryForType(type)) {
185: final Object adapter = super.adapt(object, type);
186: if (!(type instanceof Class<?>)
187: || ((Class<?>) type).isInstance(adapter)) {
188: return adapter;
189: }
190: }
191:
192: return null;
193: }
194:
195: /**
196: * <!-- begin-user-doc --> <!-- end-user-doc -->
197: *
198: * @generated
199: */
200: public List<IChildCreationExtender> getChildCreationExtenders() {
201: return childCreationExtenderManager.getChildCreationExtenders();
202: }
203:
204: /**
205: * <!-- begin-user-doc --> <!-- end-user-doc -->
206: *
207: * @generated
208: */
209: @Override
210: public Collection<?> getNewChildDescriptors(Object object,
211: EditingDomain editingDomain) {
212: return childCreationExtenderManager.getNewChildDescriptors(object,
213: editingDomain);
214: }
215:
216: /**
217: * <!-- begin-user-doc --> <!-- end-user-doc -->
218: *
219: * @generated
220: */
221: @Override
222: public ResourceLocator getResourceLocator() {
223: return childCreationExtenderManager;
224: }
225:
226: /**
227: * This adds a listener. <!-- begin-user-doc --> <!-- end-user-doc -->
228: *
229: * @generated
230: */
231: @Override
232: public void addListener(INotifyChangedListener notifyChangedListener) {
233: changeNotifier.addListener(notifyChangedListener);
234: }
235:
236: /**
237: * This removes a listener. <!-- begin-user-doc --> <!-- end-user-doc -->
238: *
239: * @generated
240: */
241: @Override
242: public void removeListener(INotifyChangedListener notifyChangedListener) {
243: changeNotifier.removeListener(notifyChangedListener);
244: }
245:
246: /**
247: * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}. <!-- begin-user-doc --> <!--
248: * end-user-doc
249: * -->
250: *
251: * @generated
252: */
253: @Override
254: public void fireNotifyChanged(Notification notification) {
255: changeNotifier.fireNotifyChanged(notification);
256:
257: if (parentAdapterFactory != null) {
258: parentAdapterFactory.fireNotifyChanged(notification);
259: }
260: }
261:
262: /**
263: * This disposes all of the item providers created by this factory. <!--
264: * begin-user-doc --> <!-- end-user-doc -->
265: *
266: * @generated
267: */
268: @Override
269: public void dispose() {
270: if (diffAttachmentItemProvider != null) {
271: diffAttachmentItemProvider.dispose();
272: }
273: }
274:
275: /**
276: * A child creation extender for the {@link VViewPackage}. <!--
277: * begin-user-doc --> <!-- end-user-doc -->
278: *
279: * @generated
280: */
281: public static class ViewChildCreationExtender implements
282: IChildCreationExtender {
283: /**
284: * The switch for creating child descriptors specific to each extended
285: * class. <!-- begin-user-doc --> <!-- end-user-doc -->
286: *
287: * @generated
288: */
289: protected static class CreationSwitch extends ViewSwitch<Object> {
290: /**
291: * The child descriptors being populated. <!-- begin-user-doc -->
292: * <!-- end-user-doc -->
293: *
294: * @generated
295: */
296: protected List<Object> newChildDescriptors;
297:
298: /**
299: * The domain in which to create the children. <!-- begin-user-doc
300: * --> <!-- end-user-doc -->
301: *
302: * @generated
303: */
304: protected EditingDomain editingDomain;
305:
306: /**
307: * Creates the a switch for populating child descriptors in the
308: * given domain. <!-- begin-user-doc --> <!-- end-user-doc -->
309: *
310: * @generated
311: */
312: CreationSwitch(List<Object> newChildDescriptors,
313: EditingDomain editingDomain) {
314: this.newChildDescriptors = newChildDescriptors;
315: this.editingDomain = editingDomain;
316: }
317:
318: /**
319: * <!-- begin-user-doc --> <!-- end-user-doc -->
320: *
321: * @generated
322: */
323: @Override
324: public Object caseElement(VElement object) {
325: newChildDescriptors.add(createChildParameter(
326: VViewPackage.Literals.ELEMENT__ATTACHMENTS,
327: VDiffmergeFactory.eINSTANCE.createDiffAttachment()));
328:
329: return null;
330: }
331:
332: /**
333: * <!-- begin-user-doc --> <!-- end-user-doc -->
334: *
335: * @generated
336: */
337: protected CommandParameter createChildParameter(Object feature,
338: Object child) {
339: return new CommandParameter(null, feature, child);
340: }
341:
342: }
343:
344: /**
345: * <!-- begin-user-doc --> <!-- end-user-doc -->
346: *
347: * @generated
348: */
349: @Override
350: public Collection<Object> getNewChildDescriptors(Object object,
351: EditingDomain editingDomain) {
352: final ArrayList<Object> result = new ArrayList<Object>();
353: new CreationSwitch(result, editingDomain)
354: .doSwitch((EObject) object);
355: return result;
356: }
357:
358: /**
359: * <!-- begin-user-doc --> <!-- end-user-doc -->
360: *
361: * @generated
362: */
363: @Override
364: public ResourceLocator getResourceLocator() {
365: return DiffmergeEditPlugin.INSTANCE;
366: }
367: }
368:
369: }