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Package: LeafConditionControlRenderer
LeafConditionControlRenderer
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| LeafConditionControlRenderer(VControl, ViewModelContext, ReportService, EMFFormsDatabinding, EMFFormsLabelProvider, VTViewTemplateProvider) |
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| onSelectButton(Label) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2016 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: * Alexandra Buzila - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.internal.editor.controls;
15:
16: import java.util.Collection;
17: import java.util.HashSet;
18:
19: import javax.inject.Inject;
20:
21: import org.eclipse.emf.ecore.EAttribute;
22: import org.eclipse.emf.ecore.EClass;
23: import org.eclipse.emf.ecore.EPackage;
24: import org.eclipse.emf.ecore.EReference;
25: import org.eclipse.emf.ecore.EStructuralFeature;
26: import org.eclipse.emf.ecore.EStructuralFeature.Setting;
27: import org.eclipse.emf.ecp.common.spi.EMFUtils;
28: import org.eclipse.emf.ecp.spi.common.ui.CompositeFactory;
29: import org.eclipse.emf.ecp.spi.common.ui.composites.SelectionComposite;
30: import org.eclipse.emf.ecp.view.internal.editor.handler.CreateDomainModelReferenceWizard;
31: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
32: import org.eclipse.emf.ecp.view.spi.model.VControl;
33: import org.eclipse.emf.ecp.view.spi.model.VFeaturePathDomainModelReference;
34: import org.eclipse.emf.ecp.view.spi.model.VViewPackage;
35: import org.eclipse.emf.ecp.view.spi.rule.model.LeafCondition;
36: import org.eclipse.emf.ecp.view.spi.rule.model.RulePackage;
37: import org.eclipse.emf.ecp.view.spi.rule.model.impl.LeafConditionImpl;
38: import org.eclipse.emf.ecp.view.template.model.VTViewTemplateProvider;
39: import org.eclipse.emf.edit.command.SetCommand;
40: import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
41: import org.eclipse.emf.edit.domain.EditingDomain;
42: import org.eclipse.emfforms.spi.common.report.ReportService;
43: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
44: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
45: import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
46: import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
47: import org.eclipse.jface.viewers.TreeViewer;
48: import org.eclipse.jface.wizard.WizardDialog;
49: import org.eclipse.swt.widgets.Display;
50: import org.eclipse.swt.widgets.Label;
51:
52: /**
53: * @author Alexandra Buzila
54: *
55: */
56: public class LeafConditionControlRenderer extends ExpectedValueControlRenderer {
57:
58: /**
59: * Default constructor.
60: *
61: * @param vElement the view model element to be rendered
62: * @param viewContext the view context
63: * @param reportService the {@link ReportService}
64: * @param databindingService The {@link EMFFormsDatabinding}
65: * @param labelProvider The {@link EMFFormsLabelProvider}
66: * @param viewTemplateProvider The {@link VTViewTemplateProvider}
67: */
68: @Inject
69: public LeafConditionControlRenderer(VControl vElement, ViewModelContext viewContext, ReportService reportService,
70: EMFFormsDatabinding databindingService, EMFFormsLabelProvider labelProvider,
71: VTViewTemplateProvider viewTemplateProvider) {
72: super(vElement, viewContext, reportService, databindingService, labelProvider, viewTemplateProvider);
73: }
74:
75: /**
76: * {@inheritDoc}
77: *
78: * @see org.eclipse.emf.ecp.view.internal.editor.controls.ExpectedValueControlRenderer#onSelectButton()
79: */
80: @Override
81: protected void onSelectButton(Label control) {
82: LeafCondition condition;
83: try {
84: condition = (LeafCondition) getObservedEObject();
85: } catch (final DatabindingFailedException ex) {
86: getReportService().report(new DatabindingFailedReport(ex));
87: return;
88: }
89:
90:• if (condition.getDomainModelReference() == null) {
91: showError(control.getShell(), "No Feature Path Domain Model Reference found", //$NON-NLS-1$
92: "A Feature Path Domain Model Reference needs to be added to the condition first."); //$NON-NLS-1$
93: return;
94: }
95:
96: EStructuralFeature structuralFeature = ((VFeaturePathDomainModelReference) condition
97: .getDomainModelReference()).getDomainModelEFeature();
98:
99:• if (EReference.class.isInstance(structuralFeature)) {
100: final EReference reference = EReference.class.cast(structuralFeature);
101: final EClass referenceType = reference.getEReferenceType();
102: final Collection<EClass> dmrEClasses = EMFUtils.getSubClasses(VViewPackage.eINSTANCE
103: .getDomainModelReference());
104: // Don't allow to create a plain DMR legacy mode
105: dmrEClasses.remove(VViewPackage.Literals.DOMAIN_MODEL_REFERENCE);
106: final Setting valueDMRSeting = ((LeafConditionImpl) condition).eSetting(RulePackage.eINSTANCE
107: .getLeafCondition_ValueDomainModelReference());
108: final CreateDomainModelReferenceWizard dmrWizard = new CreateDomainModelReferenceWizard(valueDMRSeting,
109: getEditingDomain(valueDMRSeting.getEObject()), referenceType,
110: "New Domain Model Reference", "New value reference", "New value reference", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
111: "Select the attribute to be tested.", null); //$NON-NLS-1$
112: final SelectionComposite<TreeViewer> compositeProvider = CompositeFactory.getSelectModelClassComposite(
113: new HashSet<EPackage>(), new HashSet<EPackage>(), dmrEClasses);
114: dmrWizard.setCompositeProvider(compositeProvider);
115: final WizardDialog wizardDialog = new WizardDialog(Display.getDefault().getActiveShell(), dmrWizard);
116: wizardDialog.open();
117: }
118:
119:• if (condition.getValueDomainModelReference() != null) {
120: structuralFeature = ((VFeaturePathDomainModelReference) condition.getValueDomainModelReference())
121: .getDomainModelEFeature();
122: }
123:
124:• if (structuralFeature == null) {
125: showError(control.getShell(), "No value selected", //$NON-NLS-1$
126: "Please set a value to the Domain Model Reference first."); //$NON-NLS-1$
127: return;
128: }
129:
130:• if (EReference.class.isInstance(structuralFeature)) {
131: // TODO show all references
132: return;
133: }
134:
135: final Object object = getSelectedObject((EAttribute) structuralFeature);
136:
137: final EditingDomain editingDomain = AdapterFactoryEditingDomain.getEditingDomainFor(condition);
138: editingDomain.getCommandStack().execute(
139: SetCommand.create(editingDomain, condition,
140: RulePackage.eINSTANCE.getLeafCondition_ExpectedValue(), object));
141:
142:• if (object != null) {
143: control.setText(object.toString());
144: } else {
145: control.setText("null"); //$NON-NLS-1$
146: }
147: }
148: }