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Package: DmrSelectorSegmentDmrControlSWTRenderer
DmrSelectorSegmentDmrControlSWTRenderer
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| DmrSelectorSegmentDmrControlSWTRenderer(VControl, ViewModelContext, ReportService, EMFFormsDatabindingEMF) |
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| addEcorePathToTemplate(String) |
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| createSWTControl(Composite) |
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| dispose() |
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| getText(Object) |
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| lambda$0(EStructuralFeature) |
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| linkValue(Shell) |
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| setDmrAndRootEClass(EObject, VDomainModelReference, EClass) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2019 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 - initial API and implementation
13: * Lucas Koehler - adapted to segments
14: ******************************************************************************/
15: package org.eclipse.emf.ecp.view.template.internal.tooling.controls;
16:
17: import java.io.IOException;
18: import java.util.LinkedList;
19: import java.util.List;
20: import java.util.Optional;
21:
22: import javax.inject.Inject;
23:
24: import org.eclipse.core.databinding.observable.IObserving;
25: import org.eclipse.core.databinding.observable.value.IObservableValue;
26: import org.eclipse.core.resources.IFile;
27: import org.eclipse.emf.common.command.Command;
28: import org.eclipse.emf.common.command.CompoundCommand;
29: import org.eclipse.emf.common.notify.AdapterFactory;
30: import org.eclipse.emf.common.util.EList;
31: import org.eclipse.emf.databinding.IEMFValueProperty;
32: import org.eclipse.emf.ecore.EClass;
33: import org.eclipse.emf.ecore.EObject;
34: import org.eclipse.emf.ecore.EPackage;
35: import org.eclipse.emf.ecore.EReference;
36: import org.eclipse.emf.ecp.ide.spi.util.EcoreHelper;
37: import org.eclipse.emf.ecp.view.internal.editor.controls.EditableEReferenceLabelControlSWTRenderer;
38: import org.eclipse.emf.ecp.view.internal.editor.handler.CreateSegmentDmrWizard;
39: import org.eclipse.emf.ecp.view.internal.editor.handler.FeatureSegmentGenerator;
40: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
41: import org.eclipse.emf.ecp.view.spi.model.VControl;
42: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
43: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReferenceSegment;
44: import org.eclipse.emf.ecp.view.template.model.VTViewTemplate;
45: import org.eclipse.emf.ecp.view.template.selector.domainmodelreference.model.VTDomainModelReferenceSelector;
46: import org.eclipse.emf.ecp.view.template.selector.domainmodelreference.model.VTDomainmodelreferencePackage;
47: import org.eclipse.emf.edit.command.SetCommand;
48: import org.eclipse.emf.edit.domain.EditingDomain;
49: import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
50: import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
51: import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
52: import org.eclipse.emfforms.spi.common.report.AbstractReport;
53: import org.eclipse.emfforms.spi.common.report.ReportService;
54: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
55: import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
56: import org.eclipse.jface.window.Window;
57: import org.eclipse.jface.wizard.WizardDialog;
58: import org.eclipse.swt.widgets.Composite;
59: import org.eclipse.swt.widgets.Control;
60: import org.eclipse.swt.widgets.Shell;
61:
62: /**
63: * Control for setting a segment based DomainModelReference in the DomainModelReferenceSelector.
64: *
65: * @author Eugen Neufeld
66: * @author Lucas Koehler
67: *
68: */
69: public class DmrSelectorSegmentDmrControlSWTRenderer extends EditableEReferenceLabelControlSWTRenderer {
70:
71: private AdapterFactoryItemDelegator adapterFactoryItemDelegator;
72: private final EMFFormsDatabindingEMF databindingEMF;
73: private ComposedAdapterFactory composedAdapterFactory;
74:
75: /**
76: * @param vElement the view model element to be rendered
77: * @param viewContext the view context
78: * @param reportService the {@link ReportService}
79: * @param databindingEMF the {@link EMFFormsDatabindingEMF}
80: */
81: @Inject
82: public DmrSelectorSegmentDmrControlSWTRenderer(VControl vElement, ViewModelContext viewContext,
83: ReportService reportService, EMFFormsDatabindingEMF databindingEMF) {
84: super(vElement, viewContext, reportService);
85: this.databindingEMF = databindingEMF;
86: }
87:
88: @Override
89: protected Control createSWTControl(Composite parent) throws DatabindingFailedException {
90: final Control control = super.createSWTControl(parent);
91:
92: composedAdapterFactory = new ComposedAdapterFactory(new AdapterFactory[] {
93: new ReflectiveItemProviderAdapterFactory(),
94: new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE) });
95: adapterFactoryItemDelegator = new AdapterFactoryItemDelegator(composedAdapterFactory);
96:
97: return control;
98: }
99:
100: @Override
101: protected void linkValue(Shell shell) {
102: final CreateSegmentDmrWizard dmrWizard = new CreateSegmentDmrWizard("Create Selector Domain Model Reference", //$NON-NLS-1$
103: sf -> null, new FeatureSegmentGenerator(), null, false);
104: final WizardDialog wd = new WizardDialog(shell, dmrWizard);
105: wd.setBlockOnOpen(true);
106: final int open = wd.open();
107:• if (Window.CANCEL == open) {
108: return;
109: }
110:
111: IObservableValue<?> observableValue;
112: try {
113: observableValue = getModelValue();
114: } catch (final DatabindingFailedException ex) {
115: showLinkValueFailedMessageDialog(shell, ex);
116: return;
117: }
118: final EObject eObject = (EObject) ((IObserving) observableValue).getObserved();
119: final VDomainModelReference dmr = dmrWizard.getDomainModelReference().get();
120:
121: EClass rootEClass = dmrWizard.getRootEClass().get();
122:
123: /*
124: * If the ecore of the selected root EClass is loaded from the workspace, load and register the model, add it
125: * to the template's ecore paths, and resolve the root EClass in the registered version of the EPackage. The
126: * latter is necessary so that the EClass is properly referenced in the template model.
127: */
128: final Optional<IFile> selectedEcore = dmrWizard.getSelectedEcore();
129:• if (selectedEcore.isPresent()) {
130: final String ecorePath = selectedEcore.get().getFullPath().toString();
131: try {
132: EcoreHelper.registerEcore(ecorePath);
133: addEcorePathToTemplate(ecorePath);
134: final String nsUri = rootEClass.getEPackage().getNsURI();
135: final EPackage ePackage = EPackage.Registry.INSTANCE.getEPackage(nsUri);
136: rootEClass = (EClass) ePackage.getEClassifier(rootEClass.getName());
137: } catch (final IOException ex) {
138: getReportService().report(new AbstractReport(ex,
139: String.format("Could not add ecore path \"%s\" to the view template.", ecorePath))); //$NON-NLS-1$
140: }
141: }
142:
143: // Wrap setting the root EClass and the dmr in commands and execute
144: setDmrAndRootEClass(eObject, dmr, rootEClass);
145: }
146:
147: /**
148: * Package visible to allow unit testing.
149: *
150: * @param eObject The {@link VTDomainModelReferenceSelector} to set the dmr and root EClass in.
151: * @param dmr The {@link VDomainModelReference} to set
152: * @param rootEClass The root {@link EClass} to set
153: */
154: /* private */void setDmrAndRootEClass(final EObject eObject, final VDomainModelReference dmr,
155: final EClass rootEClass) {
156: final List<Command> commands = new LinkedList<>();
157: final EditingDomain editingDomain = getEditingDomain(eObject);
158: final EReference rootEClassFeature = VTDomainmodelreferencePackage.Literals.DOMAIN_MODEL_REFERENCE_SELECTOR__ROOT_ECLASS;
159:• if (eObject.eClass().getEAllReferences().contains(rootEClassFeature)) {
160: commands.add(SetCommand.create(editingDomain, eObject, rootEClassFeature, rootEClass));
161: }
162: final EReference dmrFeature = VTDomainmodelreferencePackage.Literals.DOMAIN_MODEL_REFERENCE_SELECTOR__DOMAIN_MODEL_REFERENCE;
163: commands.add(SetCommand.create(editingDomain, eObject, dmrFeature, dmr));
164: final CompoundCommand compoundCommand = new CompoundCommand(commands);
165: editingDomain.getCommandStack().execute(compoundCommand);
166: }
167:
168: /**
169: * @param ecorePath
170: */
171: private void addEcorePathToTemplate(String ecorePath) {
172: EObject domain = getViewModelContext().getDomainModel();
173:• while (!VTViewTemplate.class.isInstance(domain)) {
174: domain = domain.eContainer();
175: }
176:• if (!VTViewTemplate.class.isInstance(domain)) {
177: return;
178: }
179: VTViewTemplate.class.cast(domain).getReferencedEcores().add(ecorePath);
180: }
181:
182: @Override
183: protected Object getText(Object value) {
184: final VDomainModelReference modelReference = (VDomainModelReference) value;
185:• if (modelReference == null || modelReference.getSegments().isEmpty()) {
186: return null;
187: }
188: final VTDomainModelReferenceSelector selector = VTDomainModelReferenceSelector.class
189: .cast(getViewModelContext().getDomainModel());
190: final EClass rootEClass = selector.getRootEClass();
191: final EList<VDomainModelReferenceSegment> segments = modelReference.getSegments();
192:
193: String attributeType = null;
194: try {
195: final IEMFValueProperty valueProperty = databindingEMF.getValueProperty(modelReference, rootEClass);
196: attributeType = valueProperty.getStructuralFeature().getEType().getName();
197: } catch (final DatabindingFailedException ex) {
198: // TODO handle?
199: }
200:
201: String attributeName = " -> " + adapterFactoryItemDelegator.getText(segments.get(segments.size() - 1)); //$NON-NLS-1$
202:• if (attributeType != null && !attributeType.isEmpty()) {
203: attributeName += " : " + attributeType; //$NON-NLS-1$
204: }
205: String referencePath = ""; //$NON-NLS-1$
206:
207:• for (int i = 0; i < segments.size() - 1; i++) {
208: referencePath = referencePath + " -> " //$NON-NLS-1$
209: + adapterFactoryItemDelegator.getText(segments.get(i));
210: }
211:
212: final String linkText = rootEClass.getName() + referencePath + attributeName;
213:• if (linkText.equals(" -> ")) { //$NON-NLS-1$
214: return null;
215: }
216: return linkText;
217: }
218:
219: @Override
220: public void dispose() {
221: super.dispose();
222:• if (composedAdapterFactory != null) {
223: composedAdapterFactory.dispose();
224: }
225: }
226:
227: }