![[Jenkins]](/ecp/static/e8bbdb94/images/svgs/logo.svg){kind=logo}
Package: DelegatingDomainModelReferenceConverter$2
DelegatingDomainModelReferenceConverter$2
| name | instruction | branch | complexity | line | method | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| doGetDelegate(Object) |
|
|
|
|
|
||||||||||||||||||||
| doGetList(Object) |
|
|
|
|
|
||||||||||||||||||||
| doSetList(Object, List) |
|
|
|
|
|
||||||||||||||||||||
| doUpdateList(Object, ListDiff) |
|
|
|
|
|
||||||||||||||||||||
| observe(Object) |
|
|
|
|
|
||||||||||||||||||||
| observe(Realm, Object) |
|
|
|
|
|
||||||||||||||||||||
| substitute(Object) |
|
|
|
|
|
||||||||||||||||||||
| {...} |
|
|
|
|
|
||||||||||||||||||||
Coverage
1: /*******************************************************************************
2: * Copyright (c) 2019 Christian W. Damus 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: * Christian W. Damus - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emfforms.swt.internal.reference.table;
15:
16: import java.util.List;
17: import java.util.function.Function;
18:
19: import org.eclipse.core.databinding.observable.Realm;
20: import org.eclipse.core.databinding.observable.list.IObservableList;
21: import org.eclipse.core.databinding.observable.list.ListDiff;
22: import org.eclipse.core.databinding.observable.value.IObservableValue;
23: import org.eclipse.core.databinding.property.list.DelegatingListProperty;
24: import org.eclipse.core.databinding.property.list.IListProperty;
25: import org.eclipse.core.databinding.property.value.DelegatingValueProperty;
26: import org.eclipse.core.databinding.property.value.IValueProperty;
27: import org.eclipse.emf.databinding.EMFProperties;
28: import org.eclipse.emf.databinding.IEMFListProperty;
29: import org.eclipse.emf.databinding.IEMFValueProperty;
30: import org.eclipse.emf.databinding.internal.EMFListPropertyDecorator;
31: import org.eclipse.emf.databinding.internal.EMFValuePropertyDecorator;
32: import org.eclipse.emf.ecore.EClass;
33: import org.eclipse.emf.ecore.EObject;
34: import org.eclipse.emf.ecore.EStructuralFeature;
35: import org.eclipse.emf.ecore.EStructuralFeature.Setting;
36: import org.eclipse.emf.ecore.InternalEObject;
37: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
38: import org.eclipse.emf.ecp.view.spi.model.VFeaturePathDomainModelReference;
39: import org.eclipse.emf.edit.domain.EditingDomain;
40: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
41: import org.eclipse.emfforms.spi.core.services.databinding.emf.DomainModelReferenceConverterEMF;
42:
43: /**
44: * Converter for a DMR that needs to be delegated to another object than the
45: * source on which it is being accessed.
46: */
47: @SuppressWarnings({ "unchecked", "rawtypes", "restriction" }) // EMF APIs are provisional
48: class DelegatingDomainModelReferenceConverter implements DomainModelReferenceConverterEMF {
49:
50: private final VFeaturePathDomainModelReference dmr;
51: private final Function<? super EObject, ?> delegator;
52:
53: /**
54: * Initializes me with the DMR that I convert and a function computing the
55: * source object to delegate the reference access to.
56: *
57: * @param dmr the DMR to convert
58: * @param delegator mapping of source object to the object to which to delegate access
59: * to the DMR
60: */
61: DelegatingDomainModelReferenceConverter(VFeaturePathDomainModelReference dmr,
62: Function<? super EObject, ?> delegator) {
63:
64: super();
65:
66: this.dmr = dmr;
67: this.delegator = delegator;
68: }
69:
70: @Override
71: public double isApplicable(VDomainModelReference domainModelReference) {
72: return domainModelReference == dmr ? Double.POSITIVE_INFINITY : Double.NEGATIVE_INFINITY;
73: }
74:
75: @Override
76: public IEMFValueProperty convertToValueProperty(VDomainModelReference domainModelReference, EObject object)
77: throws DatabindingFailedException {
78:
79: return valueDecorator();
80: }
81:
82: private IEMFValueProperty valueDecorator() {
83: final EStructuralFeature feature = dmr.getDomainModelEFeature();
84: final IValueProperty property = EMFProperties.value(feature);
85:
86: return new EMFValuePropertyDecorator(new DelegatingValueProperty(feature) {
87: @Override
88: protected IValueProperty doGetDelegate(Object source) {
89: return property;
90: }
91:
92: Object substitute(Object source) {
93: return delegator.apply((EObject) source);
94: }
95:
96: @Override
97: protected Object doGetValue(Object source) {
98: return super.doGetValue(substitute(source));
99: }
100:
101: @Override
102: protected void doSetValue(Object source, Object value) {
103: super.doSetValue(substitute(source), value);
104: }
105:
106: @Override
107: public IObservableValue observe(Object source) {
108: return super.observe(substitute(source));
109: }
110:
111: @Override
112: public IObservableValue observe(Realm realm, Object source) {
113: return super.observe(realm, substitute(source));
114: }
115: }, feature);
116: }
117:
118: @Override
119: public IEMFValueProperty convertToValueProperty(VDomainModelReference domainModelReference, EClass rootEClass,
120: EditingDomain editingDomain) throws DatabindingFailedException {
121:
122: return valueDecorator();
123: }
124:
125: @Override
126: public IEMFListProperty convertToListProperty(VDomainModelReference domainModelReference, EObject object)
127: throws DatabindingFailedException {
128:
129: final EStructuralFeature feature = dmr.getDomainModelEFeature();
130: final IListProperty property = EMFProperties.list(feature);
131:
132: // BEGIN COMPLEX CODE
133: return new EMFListPropertyDecorator(new DelegatingListProperty(feature) {
134: @Override
135: protected IListProperty doGetDelegate(Object source) {
136: return property;
137: }
138:
139: Object substitute(Object source) {
140: return delegator.apply((EObject) source);
141: }
142:
143: @Override
144: protected List doGetList(Object source) {
145: return super.doGetList(substitute(source));
146: }
147:
148: @Override
149: protected void doSetList(Object source, List list) {
150: super.doSetList(substitute(source), list);
151: }
152:
153: @Override
154: protected void doUpdateList(Object source, ListDiff diff) {
155: super.doUpdateList(substitute(source), diff);
156: }
157:
158: @Override
159: public IObservableList observe(Object source) {
160: return super.observe(substitute(source));
161: }
162:
163: @Override
164: public IObservableList observe(Realm realm, Object source) {
165: return super.observe(realm, substitute(source));
166: }
167: }, feature);
168: // END COMPLEX CODE
169: }
170:
171: @Override
172: public Setting getSetting(VDomainModelReference domainModelReference, EObject object)
173: throws DatabindingFailedException {
174:
175: final EStructuralFeature feature = dmr.getDomainModelEFeature();
176: return ((InternalEObject) delegator.apply(object)).eSetting(feature);
177: }
178:
179: }