Package: DMRCellLabelProvider

DMRCellLabelProvider

name	instruction	branch	complexity	line	method
DMRCellLabelProvider(VDomainModelReference)	M: 5 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 2 C: 0 0%	M: 1 C: 0 0%
DMRCellLabelProvider(VDomainModelReference, EMFFormsDatabinding)	M: 16 C: 0 0%	M: 2 C: 0 0%	M: 2 C: 0 0%	M: 7 C: 0 0%	M: 1 C: 0 0%
dispose()	M: 6 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 3 C: 0 0%	M: 1 C: 0 0%
getService()	M: 18 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 4 C: 0 0%	M: 1 C: 0 0%
getToolTipText(Object)	M: 26 C: 0 0%	M: 2 C: 0 0%	M: 2 C: 0 0%	M: 9 C: 0 0%	M: 1 C: 0 0%
update(ViewerCell)	M: 31 C: 0 0%	M: 2 C: 0 0%	M: 2 C: 0 0%	M: 10 C: 0 0%	M: 1 C: 0 0%

Coverage

1: /*******************************************************************************
2: * Copyright (c) 2011-2015 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.emfforms.internal.swt.table.util;
15:
16: import org.eclipse.core.databinding.observable.value.IObservableValue;
17: import org.eclipse.emf.ecore.EObject;
18: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
19: import org.eclipse.emfforms.common.ServiceObjectTracker;
20: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
21: import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
22: import org.eclipse.jface.viewers.CellLabelProvider;
23: import org.eclipse.jface.viewers.ViewerCell;
24: import org.osgi.framework.Bundle;
25: import org.osgi.framework.BundleContext;
26: import org.osgi.framework.FrameworkUtil;
27:
28: /**
29: * A {@link CellLabelProvider} which points to a value specified by a {@link VDomainModelReference}.
30: *
31: * @author Johannes Faltermeier
32: *
33: */
34: public class DMRCellLabelProvider extends CellLabelProvider {
35:
36:         private final VDomainModelReference dmr;
37:         private final EMFFormsDatabinding databindingService;
38:
39:         private ServiceObjectTracker<EMFFormsDatabinding> databindingTracker;
40:         // TODO observable list needed?
41:
42:         /**
43:          * Constructs a new {@link DMRCellLabelProvider}.
44:          *
45:          * @param dmr the {@link VDomainModelReference}.
46:          */
47:         public DMRCellLabelProvider(
48:                 VDomainModelReference dmr) {
49:                 this(dmr, null);
50:         }
51:
52:         /**
53:          *
54:          * Constructs a new {@link DMRCellLabelProvider}.
55:          *
56:          * @param dmr the {@link VDomainModelReference}
57:          * @param databindingService the {@link EMFFormsDatabinding databinding service}
58:          */
59:         public DMRCellLabelProvider(
60:                 VDomainModelReference dmr,
61:                 EMFFormsDatabinding databindingService) {
62:                 super();
63:                 this.dmr = dmr;
64:•                if (databindingService == null) {
65:                         this.databindingService = getService();
66:                 } else {
67:                         this.databindingService = databindingService;
68:                 }
69:         }
70:
71:         @Override
72:         public String getToolTipText(Object element) {
73:                 final EObject domainObject = (EObject) element;
74:                 IObservableValue observableValue;
75:                 try {
76:                         observableValue = databindingService.getObservableValue(dmr, domainObject);
77:                 } catch (final DatabindingFailedException ex) {
78:                         return null;
79:                 }
80:                 final Object value = observableValue.getValue();
81:                 observableValue.dispose();
82:•                if (value == null) {
83:                         return null;
84:                 }
85:                 return String.valueOf(value);
86:         }
87:
88:         @Override
89:         public void update(ViewerCell cell) {
90:                 final EObject element = (EObject) cell.getElement();
91:                 IObservableValue observableValue;
92:                 try {
93:                         observableValue = databindingService.getObservableValue(dmr, element);
94:                         final Object value = observableValue.getValue();
95:                         observableValue.dispose();
96:•                        if (value == null) {
97:                                 cell.setText(""); //$NON-NLS-1$
98:                         }
99:                         cell.setText(String.valueOf(value));
100:                 } catch (final DatabindingFailedException ex) {
101:                         cell.setText(""); //$NON-NLS-1$
102:                 }
103:         }
104:
105:         private EMFFormsDatabinding getService() {
106:                 final Bundle bundle = FrameworkUtil.getBundle(DMRCellLabelProvider.class);
107:                 final BundleContext bundleContext = bundle.getBundleContext();
108:                 databindingTracker = new ServiceObjectTracker<EMFFormsDatabinding>(bundleContext, EMFFormsDatabinding.class);
109:
110:                 return databindingTracker.getService();
111:         }
112:
113:         @Override
114:         public void dispose() {
115:                 databindingTracker.dispose();
116:                 super.dispose();
117:         }
118:
119: }