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Package: EMFFormsLabelProviderDefaultImpl
EMFFormsLabelProviderDefaultImpl
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| EMFFormsLabelProviderDefaultImpl() |
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| getConstantObservableValue(String) |
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| getDescription(VDomainModelReference) |
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| getDescription(VDomainModelReference, EClass) |
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| getDescription(VDomainModelReference, EObject) |
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| getDescriptionObservable(EObject, EStructuralFeature) |
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| getDisplayName(EStructuralFeature) |
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| getDisplayName(VDomainModelReference) |
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| getDisplayName(VDomainModelReference, EClass) |
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| getDisplayName(VDomainModelReference, EObject) |
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| getDisplayNameObservableValue(EObject, EStructuralFeature) |
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| getFallbackLabel(EStructuralFeature) |
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| reportMissingPropertyDescriptor(EObject, EStructuralFeature) |
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| setEMFFormsDatabinding(EMFFormsDatabindingEMF) |
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| setEMFSpecificService(EMFSpecificService) |
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| setReportService(ReportService) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2015 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: * Lucas Koehler - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emfforms.internal.core.services.label;
15:
16: import org.eclipse.core.databinding.observable.IObserving;
17: import org.eclipse.core.databinding.observable.Observables;
18: import org.eclipse.core.databinding.observable.value.IObservableValue;
19: import org.eclipse.core.databinding.property.value.IValueProperty;
20: import org.eclipse.emf.ecore.EClass;
21: import org.eclipse.emf.ecore.EObject;
22: import org.eclipse.emf.ecore.EStructuralFeature;
23: import org.eclipse.emf.ecore.util.EcoreUtil;
24: import org.eclipse.emf.ecp.common.spi.asserts.Assert;
25: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
26: import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
27: import org.eclipse.emfforms.spi.common.report.AbstractReport;
28: import org.eclipse.emfforms.spi.common.report.ReportService;
29: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
30: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
31: import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
32: import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
33: import org.eclipse.emfforms.spi.core.services.emfspecificservice.EMFSpecificService;
34: import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
35:
36: /**
37: * Implementation of {@link EMFFormsLabelProvider}. It provides a label service that delivers the display name and
38: * description for a domain model reference and optionally an EObject.
39: *
40: * @author Lucas Koehler
41: *
42: */
43: public class EMFFormsLabelProviderDefaultImpl implements EMFFormsLabelProvider {
44: private EMFFormsDatabindingEMF emfFormsDatabinding;
45: private EMFSpecificService emfSpecificService;
46: private ReportService reportService;
47:
48: /**
49: * Sets the {@link EMFFormsDatabinding} service.
50: *
51: * @param emfFormsDatabinding The databinding service.
52: */
53: protected void setEMFFormsDatabinding(EMFFormsDatabindingEMF emfFormsDatabinding) {
54: this.emfFormsDatabinding = emfFormsDatabinding;
55: }
56:
57: /**
58: * Sets the {@link EMFSpecificService}.
59: *
60: * @param emfSpecificService The {@link EMFSpecificService}
61: */
62: protected void setEMFSpecificService(EMFSpecificService emfSpecificService) {
63: this.emfSpecificService = emfSpecificService;
64: }
65:
66: /**
67: * Sets the {@link ReportService}.
68: *
69: * @param reportService The {@link ReportService}
70: */
71: protected void setReportService(ReportService reportService) {
72: this.reportService = reportService;
73: }
74:
75: /**
76: * Returns the display name of the {@link EStructuralFeature}.
77: *
78: * @param structuralFeature The {@link EStructuralFeature}
79: * @return The localized feature name
80: */
81: public IObservableValue getDisplayName(EStructuralFeature structuralFeature) {
82: final EClass eContainingClass = structuralFeature.getEContainingClass();
83:• if (eContainingClass.isAbstract() || eContainingClass.isInterface()
84:• || eContainingClass.getInstanceClass() == null) {
85: return getConstantObservableValue(getFallbackLabel(structuralFeature));
86: }
87: final EObject tempInstance = EcoreUtil.create(eContainingClass);
88: return getDisplayNameObservableValue(tempInstance, structuralFeature);
89: }
90:
91: @Deprecated
92: @Override
93: public IObservableValue getDisplayName(VDomainModelReference domainModelReference) {
94: Assert.create(domainModelReference).notNull();
95:
96: IValueProperty valueProperty;
97: try {
98: valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, (EObject) null);
99: } catch (final DatabindingFailedException ex) {
100: reportService.report(new DatabindingFailedReport(ex));
101: return getConstantObservableValue(ex.getMessage());
102: }
103: final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
104:
105: return getDisplayName(structuralFeature);
106: }
107:
108: /**
109: * Creates a fall back label from a {@link EStructuralFeature}.
110: *
111: * @param structuralFeature The {@link EStructuralFeature}
112: * @return The fall back label
113: */
114: private String getFallbackLabel(final EStructuralFeature structuralFeature) {
115: final String[] split = structuralFeature.getName().split("(?<!(^|[A-Z]))(?=[A-Z])|(?<!^)(?=[A-Z][a-z])"); //$NON-NLS-1$
116: final char[] charArray = split[0].toCharArray();
117: charArray[0] = Character.toUpperCase(charArray[0]);
118: split[0] = new String(charArray);
119: final StringBuilder sb = new StringBuilder();
120:• for (final String str : split) {
121: sb.append(str);
122: sb.append(" "); //$NON-NLS-1$
123: }
124: return sb.toString().trim();
125: }
126:
127: @Override
128: public IObservableValue getDisplayName(VDomainModelReference domainModelReference, EClass rootEClass) {
129: Assert.create(domainModelReference).notNull();
130: Assert.create(rootEClass).notNull();
131:
132: IValueProperty valueProperty;
133: try {
134: valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, rootEClass);
135: } catch (final DatabindingFailedException ex) {
136: reportService.report(new DatabindingFailedReport(ex));
137: return getConstantObservableValue(ex.getMessage());
138: }
139: final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
140:
141: return getDisplayName(structuralFeature);
142: }
143:
144: @Override
145: public IObservableValue getDisplayName(VDomainModelReference domainModelReference, EObject rootObject) {
146: Assert.create(domainModelReference).notNull();
147: Assert.create(rootObject).notNull();
148:
149: IObservableValue observableValue;
150: try {
151: observableValue = emfFormsDatabinding.getObservableValue(domainModelReference,
152: rootObject);
153: } catch (final DatabindingFailedException ex) {
154: reportService.report(new DatabindingFailedReport(ex));
155: return getConstantObservableValue(ex.getMessage());
156: }
157: final IObserving observing = (IObserving) observableValue;
158: final EStructuralFeature structuralFeature = (EStructuralFeature) observableValue.getValueType();
159: final EObject value = (EObject) observing.getObserved();
160: observableValue.dispose();
161: return getDisplayNameObservableValue(value, structuralFeature);
162: }
163:
164: private IObservableValue getDisplayNameObservableValue(EObject containingEObject,
165: EStructuralFeature structuralFeature) {
166: final IItemPropertyDescriptor itemPropertyDescriptor = emfSpecificService.getIItemPropertyDescriptor(
167: containingEObject, structuralFeature);
168:• if (itemPropertyDescriptor == null) {
169: reportMissingPropertyDescriptor(containingEObject, structuralFeature);
170: return getConstantObservableValue(getFallbackLabel(structuralFeature));
171: }
172:
173: return getConstantObservableValue(itemPropertyDescriptor.getDisplayName(containingEObject));
174: }
175:
176: @Deprecated
177: @Override
178: public IObservableValue getDescription(VDomainModelReference domainModelReference) {
179: Assert.create(domainModelReference).notNull();
180:
181: IValueProperty valueProperty;
182: try {
183: valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, (EObject) null);
184: } catch (final DatabindingFailedException ex) {
185: reportService.report(new DatabindingFailedReport(ex));
186: return getConstantObservableValue(ex.getMessage());
187: }
188: final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
189: final EClass eContainingClass = structuralFeature.getEContainingClass();
190:• if (eContainingClass.isAbstract() || eContainingClass.isInterface()
191:• || eContainingClass.getInstanceClass() == null) {
192: return getConstantObservableValue(getFallbackLabel(structuralFeature));
193: }
194: final EObject tempInstance = EcoreUtil.create(eContainingClass);
195: return getDescriptionObservable(tempInstance, structuralFeature);
196: }
197:
198: @Override
199: public IObservableValue getDescription(VDomainModelReference domainModelReference, EClass rootEClass) {
200: Assert.create(domainModelReference).notNull();
201: Assert.create(rootEClass).notNull();
202:
203: IValueProperty valueProperty;
204: try {
205: valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, rootEClass);
206: } catch (final DatabindingFailedException ex) {
207: reportService.report(new DatabindingFailedReport(ex));
208: return getConstantObservableValue(ex.getMessage());
209: }
210: final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
211: final EClass eContainingClass = structuralFeature.getEContainingClass();
212:• if (eContainingClass.isAbstract() || eContainingClass.isInterface()
213:• || eContainingClass.getInstanceClass() == null) {
214: return getConstantObservableValue(getFallbackLabel(structuralFeature));
215: }
216: final EObject tempInstance = EcoreUtil.create(eContainingClass);
217: return getDescriptionObservable(tempInstance, structuralFeature);
218: }
219:
220: @Override
221: public IObservableValue getDescription(VDomainModelReference domainModelReference, EObject rootObject) {
222: Assert.create(domainModelReference).notNull();
223: Assert.create(rootObject).notNull();
224:
225: IObservableValue observableValue;
226: try {
227: observableValue = emfFormsDatabinding.getObservableValue(domainModelReference,
228: rootObject);
229: } catch (final DatabindingFailedException ex) {
230: reportService.report(new DatabindingFailedReport(ex));
231: return getConstantObservableValue(ex.getMessage());
232: }
233: final IObserving observing = (IObserving) observableValue;
234: final EStructuralFeature structuralFeature = (EStructuralFeature) observableValue.getValueType();
235: final EObject value = (EObject) observing.getObserved();
236: observableValue.dispose();
237: return getDescriptionObservable(value, structuralFeature);
238: }
239:
240: private IObservableValue getDescriptionObservable(EObject containingEObject, EStructuralFeature structuralFeature) {
241: final IItemPropertyDescriptor itemPropertyDescriptor = emfSpecificService.getIItemPropertyDescriptor(
242: containingEObject, structuralFeature);
243:• if (itemPropertyDescriptor == null) {
244: reportMissingPropertyDescriptor(containingEObject, structuralFeature);
245: return getConstantObservableValue(getFallbackLabel(structuralFeature));
246: }
247:
248: return getConstantObservableValue(itemPropertyDescriptor.getDescription(containingEObject));
249: }
250:
251: private IObservableValue getConstantObservableValue(String value) {
252: return Observables.constantObservableValue(value, String.class);
253: }
254:
255: private void reportMissingPropertyDescriptor(final EObject value, final EStructuralFeature structuralFeature) {
256: reportService.report(
257: new AbstractReport(String.format("No IItemPropertyDescriptor for feature %2$s in EClass %1$s found.", //$NON-NLS-1$
258: value.eClass().getName(), structuralFeature.getName())));
259: }
260:
261: }