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Package: GenerateTableColumnsForSubclassesHandler
GenerateTableColumnsForSubclassesHandler
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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: * jfaltermeier - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.internal.editor.handler;
15:
16: import java.util.LinkedHashSet;
17: import java.util.Set;
18:
19: import org.eclipse.core.commands.ExecutionEvent;
20: import org.eclipse.core.commands.ExecutionException;
21: import org.eclipse.core.databinding.property.value.IValueProperty;
22: import org.eclipse.emf.common.command.Command;
23: import org.eclipse.emf.ecore.EAttribute;
24: import org.eclipse.emf.ecore.EClass;
25: import org.eclipse.emf.ecore.EObject;
26: import org.eclipse.emf.ecore.EReference;
27: import org.eclipse.emf.ecore.EStructuralFeature;
28: import org.eclipse.emf.ecp.view.internal.editor.controls.Activator;
29: import org.eclipse.emf.ecp.view.spi.editor.controls.Helper;
30: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
31: import org.eclipse.emf.ecp.view.spi.model.VFeaturePathDomainModelReference;
32: import org.eclipse.emf.ecp.view.spi.model.VViewFactory;
33: import org.eclipse.emf.ecp.view.spi.table.model.VTableControl;
34: import org.eclipse.emf.ecp.view.spi.table.model.VTableDomainModelReference;
35: import org.eclipse.emf.ecp.view.spi.table.model.VTablePackage;
36: import org.eclipse.emf.ecp.view.spi.treemasterdetail.ui.swt.MasterDetailAction;
37: import org.eclipse.emf.edit.command.AddCommand;
38: import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
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.DatabindingFailedReport;
42: import org.eclipse.emfforms.spi.ide.view.segments.ToolingModeUtil;
43: import org.eclipse.jface.viewers.IStructuredSelection;
44: import org.eclipse.ui.handlers.HandlerUtil;
45:
46: /**
47: * @author jfaltermeier
48: *
49: */
50: public class GenerateTableColumnsForSubclassesHandler extends MasterDetailAction {
51:
52: @Override
53: public Object execute(ExecutionEvent event) throws ExecutionException {
54: final Object selection = ((IStructuredSelection) HandlerUtil.getActiveMenuSelection(event)).getFirstElement();
55:• if (selection == null || !(selection instanceof EObject)) {
56: return null;
57: }
58: execute((EObject) selection);
59: return null;
60: }
61:
62: @Override
63: public boolean shouldShow(EObject eObject) {
64:• return VTableControl.class.isInstance(eObject) && !ToolingModeUtil.isSegmentToolingEnabled();
65: }
66:
67: @Override
68: public void execute(EObject object) {
69: final VTableControl tableControl = VTableControl.class.cast(object);
70: final VDomainModelReference domainModelReference = tableControl.getDomainModelReference();
71:• if (domainModelReference == null || !VTableDomainModelReference.class.isInstance(domainModelReference)) {
72: return;
73: }
74:
75: final VTableDomainModelReference tableDMR = (VTableDomainModelReference) domainModelReference;
76: final EClass rootEClass = Helper.getRootEClass(tableControl);
77: IValueProperty<?, ?> valueProperty;
78: try {
79: valueProperty = Activator.getDefault().getEMFFormsDatabinding().getValueProperty(tableDMR, rootEClass);
80: } catch (final DatabindingFailedException ex) {
81: Activator.getDefault().getReportService().report(new DatabindingFailedReport(ex));
82: return;
83: }
84: final Object eStructuralFeature = valueProperty.getValueType();
85:• if (!EReference.class.isInstance(eStructuralFeature)) {
86: return;
87: }
88: final EReference eReference = (EReference) eStructuralFeature;
89:
90: final Set<EStructuralFeature> existingFeatures = new LinkedHashSet<EStructuralFeature>();
91:• for (final VDomainModelReference ref : tableDMR.getColumnDomainModelReferences()) {
92: final VFeaturePathDomainModelReference featureDMR = (VFeaturePathDomainModelReference) ref;
93: existingFeatures.add(featureDMR.getDomainModelEFeature());
94: }
95: final Set<VDomainModelReference> referencesToAdd = new LinkedHashSet<VDomainModelReference>();
96: final EClass subclass = GenerateTableColumnsUtil.selectSubClass(eReference.getEReferenceType()).orElse(null);
97:• if (subclass == null) {
98: return;
99: }
100:• for (final EAttribute attribute : subclass.getEAllAttributes()) {
101:• if (existingFeatures.contains(attribute)) {
102: continue;
103: }
104: final VFeaturePathDomainModelReference dmr = VViewFactory.eINSTANCE
105: .createFeaturePathDomainModelReference();
106: dmr.setDomainModelEFeature(attribute);
107: referencesToAdd.add(dmr);
108:
109: }
110: final EditingDomain editingDomainFor = AdapterFactoryEditingDomain.getEditingDomainFor(object);
111: final Command command = AddCommand.create(editingDomainFor, tableDMR,
112: VTablePackage.eINSTANCE.getTableDomainModelReference_ColumnDomainModelReferences(), referencesToAdd);
113: editingDomainFor.getCommandStack().execute(command);
114:
115: }
116: }