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Package: GroupItemProviderAdapterFactory$ViewChildCreationExtender
GroupItemProviderAdapterFactory$ViewChildCreationExtender
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| getNewChildDescriptors(Object, EditingDomain) |
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Coverage
1: /**
2: * Copyright (c) 2011-2013 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: * Eugen Neufeld - initial API and implementation
13: */
14: package org.eclipse.emf.ecp.view.spi.group.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.view.spi.group.model.VGroupFactory;
26: import org.eclipse.emf.ecp.view.spi.group.model.VGroupPackage;
27: import org.eclipse.emf.ecp.view.spi.group.model.util.GroupAdapterFactory;
28: import org.eclipse.emf.ecp.view.spi.model.VContainer;
29: import org.eclipse.emf.ecp.view.spi.model.VView;
30: import org.eclipse.emf.ecp.view.spi.model.VViewPackage;
31: import org.eclipse.emf.ecp.view.spi.model.util.ViewSwitch;
32: import org.eclipse.emf.edit.command.CommandParameter;
33: import org.eclipse.emf.edit.domain.EditingDomain;
34: import org.eclipse.emf.edit.provider.ChangeNotifier;
35: import org.eclipse.emf.edit.provider.ChildCreationExtenderManager;
36: import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
37: import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
38: import org.eclipse.emf.edit.provider.IChangeNotifier;
39: import org.eclipse.emf.edit.provider.IChildCreationExtender;
40: import org.eclipse.emf.edit.provider.IDisposable;
41: import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
42: import org.eclipse.emf.edit.provider.IItemLabelProvider;
43: import org.eclipse.emf.edit.provider.IItemPropertySource;
44: import org.eclipse.emf.edit.provider.INotifyChangedListener;
45: import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
46: import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
47:
48: /**
49: * This is the factory that is used to provide the interfaces needed to support Viewers.
50: * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged
51: * fireNotifyChanged}.
52: * The adapters also support Eclipse property sheets.
53: * Note that most of the adapters are shared among multiple instances.
54: * <!-- begin-user-doc -->
55: * <!-- end-user-doc -->
56: *
57: * @generated
58: */
59: public class GroupItemProviderAdapterFactory extends GroupAdapterFactory implements ComposeableAdapterFactory,
60: IChangeNotifier, IDisposable, IChildCreationExtender {
61: /**
62: * This keeps track of the root adapter factory that delegates to this adapter factory.
63: * <!-- begin-user-doc -->
64: * <!-- end-user-doc -->
65: *
66: * @generated
67: */
68: protected ComposedAdapterFactory parentAdapterFactory;
69:
70: /**
71: * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
72: * <!-- begin-user-doc -->
73: * <!-- end-user-doc -->
74: *
75: * @generated
76: */
77: protected IChangeNotifier changeNotifier = new ChangeNotifier();
78:
79: /**
80: * This helps manage the child creation extenders.
81: * <!-- begin-user-doc -->
82: * <!-- end-user-doc -->
83: *
84: * @generated
85: */
86: protected ChildCreationExtenderManager childCreationExtenderManager = new ChildCreationExtenderManager(
87: GroupEditPlugin.INSTANCE, VGroupPackage.eNS_URI);
88:
89: /**
90: * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
91: * <!-- begin-user-doc -->
92: * <!-- end-user-doc -->
93: *
94: * @generated
95: */
96: protected Collection<Object> supportedTypes = new ArrayList<Object>();
97:
98: /**
99: * This constructs an instance.
100: * <!-- begin-user-doc -->
101: * <!-- end-user-doc -->
102: *
103: * @generated
104: */
105: public GroupItemProviderAdapterFactory() {
106: supportedTypes.add(IEditingDomainItemProvider.class);
107: supportedTypes.add(IStructuredItemContentProvider.class);
108: supportedTypes.add(ITreeItemContentProvider.class);
109: supportedTypes.add(IItemLabelProvider.class);
110: supportedTypes.add(IItemPropertySource.class);
111: }
112:
113: /**
114: * This keeps track of the one adapter used for all {@link org.eclipse.emf.ecp.view.spi.group.model.VGroup}
115: * instances.
116: * <!-- begin-user-doc -->
117: * <!-- end-user-doc -->
118: *
119: * @generated
120: */
121: protected GroupItemProvider groupItemProvider;
122:
123: /**
124: * This creates an adapter for a {@link org.eclipse.emf.ecp.view.spi.group.model.VGroup}.
125: * <!-- begin-user-doc -->
126: * <!-- end-user-doc -->
127: *
128: * @generated
129: */
130: @Override
131: public Adapter createGroupAdapter() {
132: if (groupItemProvider == null) {
133: groupItemProvider = new GroupItemProvider(this);
134: }
135:
136: return groupItemProvider;
137: }
138:
139: /**
140: * This returns the root adapter factory that contains this factory.
141: * <!-- begin-user-doc -->
142: * <!-- end-user-doc -->
143: *
144: * @generated
145: */
146: @Override
147: public ComposeableAdapterFactory getRootAdapterFactory() {
148: return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
149: }
150:
151: /**
152: * This sets the composed adapter factory that contains this factory.
153: * <!-- begin-user-doc -->
154: * <!-- end-user-doc -->
155: *
156: * @generated
157: */
158: @Override
159: public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
160: this.parentAdapterFactory = parentAdapterFactory;
161: }
162:
163: /**
164: * <!-- begin-user-doc -->
165: * <!-- end-user-doc -->
166: *
167: * @generated
168: */
169: @Override
170: public boolean isFactoryForType(Object type) {
171: return supportedTypes.contains(type) || super.isFactoryForType(type);
172: }
173:
174: /**
175: * This implementation substitutes the factory itself as the key for the adapter.
176: * <!-- begin-user-doc -->
177: * <!-- end-user-doc -->
178: *
179: * @generated
180: */
181: @Override
182: public Adapter adapt(Notifier notifier, Object type) {
183: return super.adapt(notifier, this);
184: }
185:
186: /**
187: * <!-- begin-user-doc -->
188: * <!-- end-user-doc -->
189: *
190: * @generated
191: */
192: @Override
193: public Object adapt(Object object, Object type) {
194: if (isFactoryForType(type)) {
195: Object adapter = super.adapt(object, type);
196: if (!(type instanceof Class<?>) || (((Class<?>) type).isInstance(adapter))) {
197: return adapter;
198: }
199: }
200:
201: return null;
202: }
203:
204: /**
205: * <!-- begin-user-doc -->
206: * <!-- end-user-doc -->
207: *
208: * @generated
209: */
210: public List<IChildCreationExtender> getChildCreationExtenders() {
211: return childCreationExtenderManager.getChildCreationExtenders();
212: }
213:
214: /**
215: * <!-- begin-user-doc -->
216: * <!-- end-user-doc -->
217: *
218: * @generated
219: */
220: @Override
221: public Collection<?> getNewChildDescriptors(Object object, EditingDomain editingDomain) {
222: return childCreationExtenderManager.getNewChildDescriptors(object, editingDomain);
223: }
224:
225: /**
226: * <!-- begin-user-doc -->
227: * <!-- end-user-doc -->
228: *
229: * @generated
230: */
231: @Override
232: public ResourceLocator getResourceLocator() {
233: return childCreationExtenderManager;
234: }
235:
236: /**
237: * This adds a listener.
238: * <!-- begin-user-doc -->
239: * <!-- end-user-doc -->
240: *
241: * @generated
242: */
243: @Override
244: public void addListener(INotifyChangedListener notifyChangedListener) {
245: changeNotifier.addListener(notifyChangedListener);
246: }
247:
248: /**
249: * This removes a listener.
250: * <!-- begin-user-doc -->
251: * <!-- end-user-doc -->
252: *
253: * @generated
254: */
255: @Override
256: public void removeListener(INotifyChangedListener notifyChangedListener) {
257: changeNotifier.removeListener(notifyChangedListener);
258: }
259:
260: /**
261: * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
262: * <!-- begin-user-doc -->
263: * <!-- end-user-doc -->
264: *
265: * @generated
266: */
267: @Override
268: public void fireNotifyChanged(Notification notification) {
269: changeNotifier.fireNotifyChanged(notification);
270:
271: if (parentAdapterFactory != null) {
272: parentAdapterFactory.fireNotifyChanged(notification);
273: }
274: }
275:
276: /**
277: * This disposes all of the item providers created by this factory.
278: * <!-- begin-user-doc -->
279: * <!-- end-user-doc -->
280: *
281: * @generated
282: */
283: @Override
284: public void dispose() {
285: if (groupItemProvider != null)
286: groupItemProvider.dispose();
287: }
288:
289: /**
290: * A child creation extender for the {@link VViewPackage}.
291: * <!-- begin-user-doc -->
292: * <!-- end-user-doc -->
293: *
294: * @generated
295: */
296: public static class ViewChildCreationExtender implements IChildCreationExtender {
297: /**
298: * The switch for creating child descriptors specific to each extended class.
299: * <!-- begin-user-doc -->
300: * <!-- end-user-doc -->
301: *
302: * @generated
303: */
304: protected static class CreationSwitch extends ViewSwitch<Object> {
305: /**
306: * The child descriptors being populated.
307: * <!-- begin-user-doc -->
308: * <!-- end-user-doc -->
309: *
310: * @generated
311: */
312: protected List<Object> newChildDescriptors;
313:
314: /**
315: * The domain in which to create the children.
316: * <!-- begin-user-doc -->
317: * <!-- end-user-doc -->
318: *
319: * @generated
320: */
321: protected EditingDomain editingDomain;
322:
323: /**
324: * Creates the a switch for populating child descriptors in the given domain.
325: * <!-- begin-user-doc -->
326: * <!-- end-user-doc -->
327: *
328: * @generated
329: */
330: CreationSwitch(List<Object> newChildDescriptors, EditingDomain editingDomain) {
331: this.newChildDescriptors = newChildDescriptors;
332: this.editingDomain = editingDomain;
333: }
334:
335: /**
336: * <!-- begin-user-doc -->
337: * <!-- end-user-doc -->
338: *
339: * @generated
340: */
341: @Override
342: public Object caseView(VView object) {
343: newChildDescriptors.add(createChildParameter(VViewPackage.Literals.VIEW__CHILDREN,
344: VGroupFactory.eINSTANCE.createGroup()));
345:
346: return null;
347: }
348:
349: /**
350: * <!-- begin-user-doc -->
351: * <!-- end-user-doc -->
352: *
353: * @generated
354: */
355: @Override
356: public Object caseContainer(VContainer object) {
357: newChildDescriptors.add(createChildParameter(VViewPackage.Literals.CONTAINER__CHILDREN,
358: VGroupFactory.eINSTANCE.createGroup()));
359:
360: return null;
361: }
362:
363: /**
364: * <!-- begin-user-doc -->
365: * <!-- end-user-doc -->
366: *
367: * @generated
368: */
369: protected CommandParameter createChildParameter(Object feature, Object child) {
370: return new CommandParameter(null, feature, child);
371: }
372:
373: }
374:
375: /**
376: * <!-- begin-user-doc -->
377: * <!-- end-user-doc -->
378: *
379: * @generated
380: */
381: @Override
382: public Collection<Object> getNewChildDescriptors(Object object, EditingDomain editingDomain) {
383: ArrayList<Object> result = new ArrayList<Object>();
384: new CreationSwitch(result, editingDomain).doSwitch((EObject) object);
385: return result;
386: }
387:
388: /**
389: * <!-- begin-user-doc -->
390: * <!-- end-user-doc -->
391: *
392: * @generated
393: */
394: @Override
395: public ResourceLocator getResourceLocator() {
396: return GroupEditPlugin.INSTANCE;
397: }
398: }
399:
400: }