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Package: AddColumnService
AddColumnService
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| AddColumnService() |
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| addColumnsIfNeeded(VTableControl) |
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| dispose() |
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| getPriority() |
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| instantiate(ViewModelContext) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2013 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: * Johannes Faltermeier - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.internal.table.columnservice;
15:
16: import org.eclipse.core.databinding.property.value.IValueProperty;
17: import org.eclipse.emf.common.util.TreeIterator;
18: import org.eclipse.emf.ecore.EClass;
19: import org.eclipse.emf.ecore.EClassifier;
20: import org.eclipse.emf.ecore.EObject;
21: import org.eclipse.emf.ecore.EStructuralFeature;
22: import org.eclipse.emf.ecp.view.internal.table.generator.TableColumnGenerator;
23: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
24: import org.eclipse.emf.ecp.view.spi.context.ViewModelService;
25: import org.eclipse.emf.ecp.view.spi.model.VElement;
26: import org.eclipse.emf.ecp.view.spi.table.model.VTableControl;
27: import org.eclipse.emf.ecp.view.spi.table.model.VTableDomainModelReference;
28: import org.eclipse.emfforms.spi.common.report.ReportService;
29: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
30: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
31: import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
32: import org.eclipse.emfforms.view.spi.multisegment.model.VMultiDomainModelReferenceSegment;
33:
34: /**
35: * This service will iterate over all contents of the {@link org.eclipse.emf.ecp.view.spi.model.VView VView} and will
36: * add {@link org.eclipse.emf.ecp.view.spi.model.VDomainModelReference VDomainModelReferences} for every
37: * {@link VTableControl} without columns.
38: *
39: * @author jfaltermeier
40: *
41: */
42: public class AddColumnService implements ViewModelService {
43:
44: private ViewModelContext context;
45:
46: /**
47: * {@inheritDoc}
48: *
49: * @see org.eclipse.emf.ecp.view.spi.context.ViewModelService#instantiate(org.eclipse.emf.ecp.view.spi.context.ViewModelContext)
50: */
51: @Override
52: public void instantiate(ViewModelContext context) {
53: this.context = context;
54: final VElement viewModel = context.getViewModel();
55:• if (viewModel instanceof VTableControl) {
56: addColumnsIfNeeded((VTableControl) viewModel);
57: return;
58: }
59: final TreeIterator<EObject> contents = viewModel.eAllContents();
60:• while (contents.hasNext()) {
61: final EObject current = contents.next();
62:• if (current instanceof VTableControl) {
63: final VTableControl tableControl = (VTableControl) current;
64: addColumnsIfNeeded(tableControl);
65: }
66: }
67: }
68:
69: private void addColumnsIfNeeded(VTableControl tableControl) {
70:• if (tableControl.getDomainModelReference() == null) {
71: return;
72: }
73:• if (!VTableDomainModelReference.class.isInstance(tableControl.getDomainModelReference())) {
74: return;
75: }
76: final VTableDomainModelReference tableDmr = VTableDomainModelReference.class
77: .cast(tableControl.getDomainModelReference());
78:
79: boolean addColumns = false;
80: boolean segments = false;
81:• if (tableDmr.getSegments().size() > 0) {
82: final VMultiDomainModelReferenceSegment multiSegment = (VMultiDomainModelReferenceSegment) tableDmr
83: .getSegments().get(tableDmr.getSegments().size() - 1);
84:• addColumns = multiSegment.getChildDomainModelReferences().size() < 1;
85: segments = true;
86: } else {
87:• addColumns = tableDmr.getColumnDomainModelReferences().size() < 1;
88: }
89:
90:• if (addColumns) {
91: final VTableDomainModelReference tableDMR = (VTableDomainModelReference) tableControl
92: .getDomainModelReference();
93: final IValueProperty valueProperty;
94: try {
95:• if (segments || tableDMR.getDomainModelReference() == null) {
96: valueProperty = context.getService(EMFFormsDatabinding.class)
97: .getValueProperty(tableDMR, context.getDomainModel());
98: } else {
99: valueProperty = context.getService(EMFFormsDatabinding.class)
100: .getValueProperty(tableDMR.getDomainModelReference(), context.getDomainModel());
101: }
102: } catch (final DatabindingFailedException ex) {
103: context.getService(ReportService.class).report(new DatabindingFailedReport(ex));
104: return;
105: }
106:
107: final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
108: final EClassifier eType = structuralFeature.getEType();
109:• if (eType instanceof EClass) {
110: final EClass clazz = (EClass) eType;
111: TableColumnGenerator.generateColumns(clazz, tableControl);
112: }
113: }
114: }
115:
116: /**
117: * {@inheritDoc}
118: *
119: * @see org.eclipse.emf.ecp.view.spi.context.ViewModelService#dispose()
120: */
121: @Override
122: public void dispose() {
123: // nothing to dispose
124: }
125:
126: /**
127: * {@inheritDoc}
128: *
129: * @see org.eclipse.emf.ecp.view.spi.context.ViewModelService#getPriority()
130: */
131: @Override
132: public int getPriority() {
133: return -1;
134: }
135:
136: }