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Package: MultiSegmentChildDmrsSWTRendererService
MultiSegmentChildDmrsSWTRendererService
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| MultiSegmentChildDmrsSWTRendererService() |
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| checkAnnotation(VControl) |
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| getRendererClass() |
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| isApplicable(VElement, ViewModelContext) |
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| setEMFFormsDatabinding(EMFFormsDatabinding) |
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| setReportService(ReportService) |
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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: * Lucas Koehler - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emfforms.internal.view.multisegment.tooling;
15:
16: import org.eclipse.core.databinding.property.value.IValueProperty;
17: import org.eclipse.emf.ecore.EClass;
18: import org.eclipse.emf.ecore.EStructuralFeature;
19: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
20: import org.eclipse.emf.ecp.view.spi.editor.controls.Helper;
21: import org.eclipse.emf.ecp.view.spi.model.VAttachment;
22: import org.eclipse.emf.ecp.view.spi.model.VControl;
23: import org.eclipse.emf.ecp.view.spi.model.VElement;
24: import org.eclipse.emf.ecp.view.spi.model.VViewPackage;
25: import org.eclipse.emf.ecp.view.spi.table.model.VTablePackage;
26: import org.eclipse.emf.emfforms.spi.view.annotation.model.VAnnotation;
27: import org.eclipse.emfforms.spi.common.report.ReportService;
28: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
29: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
30: import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
31: import org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer;
32: import org.eclipse.emfforms.spi.swt.core.di.EMFFormsDIRendererService;
33: import org.osgi.service.component.annotations.Component;
34: import org.osgi.service.component.annotations.Reference;
35:
36: /**
37: * DI renderer service for {@link MultiSegmentChildDmrsSWTRenderer}.
38: *
39: * @author Lucas Koehler
40: *
41: */
42: @Component(name = "MultiSegmentChildDmrsSWTRendererService")
43: public class MultiSegmentChildDmrsSWTRendererService implements EMFFormsDIRendererService<VControl> {
44:
45: /**
46: * Key of the annotation that defines that the child dmrs of a dmr's multi segment should be rendered.
47: */
48: private static final String SHOW_CHILD_DOMAIN_MODEL_REFERENCES = "showChildDomainModelReferences"; //$NON-NLS-1$
49: private EMFFormsDatabinding databindingService;
50: private ReportService reportService;
51:
52: /**
53: * Called by the framework to set the {@link EMFFormsDatabinding}.
54: *
55: * @param databindingService The {@link EMFFormsDatabinding}
56: */
57: @Reference(unbind = "-")
58: protected void setEMFFormsDatabinding(EMFFormsDatabinding databindingService) {
59: this.databindingService = databindingService;
60: }
61:
62: /**
63: * Called by the framework to set the {@link ReportService}.
64: *
65: * @param reportService The {@link ReportService}
66: */
67: @Reference(unbind = "-")
68: protected void setReportService(ReportService reportService) {
69: this.reportService = reportService;
70: }
71:
72: @Override
73: public double isApplicable(VElement vElement, ViewModelContext viewModelContext) {
74:• if (!VControl.class.isInstance(vElement)) {
75: return NOT_APPLICABLE;
76: }
77: final VControl control = (VControl) vElement;
78:• if (control.getDomainModelReference() == null) {
79: return NOT_APPLICABLE;
80: }
81: // Test that a feature of a table dmr is rendered
82: final EClass rootEClass = Helper.getRootEClass(vElement);
83:• if (!VTablePackage.eINSTANCE.getTableControl().equals(rootEClass)) {
84: return NOT_APPLICABLE;
85: }
86:
87: // Check that the correct annotation is set
88:• if (!checkAnnotation(control)) {
89: return NOT_APPLICABLE;
90: }
91:
92: IValueProperty<?, ?> valueProperty;
93: try {
94: valueProperty = databindingService.getValueProperty(control.getDomainModelReference(),
95: viewModelContext.getDomainModel());
96: } catch (final DatabindingFailedException ex) {
97: reportService.report(new DatabindingFailedReport(ex));
98: return NOT_APPLICABLE;
99: }
100: final EStructuralFeature feature = (EStructuralFeature) valueProperty.getValueType();
101:
102:• if (VViewPackage.Literals.CONTROL__DOMAIN_MODEL_REFERENCE != feature) {
103: return NOT_APPLICABLE;
104: }
105: return 10d;
106: }
107:
108: private boolean checkAnnotation(final VControl control) {
109: boolean showChildDmrs = false;
110:• for (final VAttachment attachment : control.getAttachments()) {
111:• if (VAnnotation.class.isInstance(attachment)) {
112: final VAnnotation annotation = (VAnnotation) attachment;
113:• if (SHOW_CHILD_DOMAIN_MODEL_REFERENCES.equals(annotation.getKey())) {
114: showChildDmrs = true;
115: break;
116: }
117: }
118: }
119: return showChildDmrs;
120: }
121:
122: @Override
123: public Class<? extends AbstractSWTRenderer<VControl>> getRendererClass() {
124: return MultiSegmentChildDmrsSWTRenderer.class;
125: }
126:
127: }