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Package: ValidationLabelProvider
ValidationLabelProvider
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| ValidationLabelProvider() |
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| addListener(ILabelProviderListener) |
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| dispose() |
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| getColumnImage(Object, int) |
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| getColumnText(Object, int) |
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| getFeatureName(EObject, EStructuralFeature) |
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| getImageForSeverity(int) |
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| isLabelProperty(Object, String) |
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| removeListener(ILabelProviderListener) |
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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: * Johannes Faltermeier - initial API and implementation
13: * Christian W. Damus - bug 546899
14: ******************************************************************************/
15: package org.eclipse.emf.ecp.internal.ui.validation;
16:
17: import java.util.List;
18: import java.util.MissingResourceException;
19:
20: import org.eclipse.emf.common.notify.AdapterFactory;
21: import org.eclipse.emf.common.util.Diagnostic;
22: import org.eclipse.emf.common.util.ResourceLocator;
23: import org.eclipse.emf.ecore.EClass;
24: import org.eclipse.emf.ecore.EObject;
25: import org.eclipse.emf.ecore.EStructuralFeature;
26: import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
27: import org.eclipse.emf.edit.provider.IItemLabelProvider;
28: import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
29: import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
30: import org.eclipse.jface.viewers.ILabelProviderListener;
31: import org.eclipse.jface.viewers.ITableLabelProvider;
32: import org.eclipse.swt.graphics.Image;
33:
34: /**
35: * {@link ITableLabelProvider} for displaying {@link org.eclipse.emf.common.util.Diagnostic Diagnostics} in a Tree with
36: * columns.
37: *
38: * @author jfaltermeier
39: *
40: */
41: public class ValidationLabelProvider implements ITableLabelProvider {
42:
43: private final ComposedAdapterFactory composedAdapterFactory;
44: private final AdapterFactoryLabelProvider labelProvider;
45: private final Image warning;
46: private final Image error;
47:
48: /**
49: * Default constructor.
50: */
51: public ValidationLabelProvider() {
52: composedAdapterFactory = new ComposedAdapterFactory(new AdapterFactory[] {
53: new ReflectiveItemProviderAdapterFactory(),
54: new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE) });
55: labelProvider = new AdapterFactoryLabelProvider(composedAdapterFactory);
56: error = Activator.getImageDescriptor("icons/error_decorate.png").createImage(); //$NON-NLS-1$
57: warning = Activator.getImageDescriptor("icons/warning_decorate.png").createImage(); //$NON-NLS-1$
58: }
59:
60: /**
61: * {@inheritDoc}
62: *
63: * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
64: */
65: @Override
66: public void addListener(ILabelProviderListener listener) {
67: }
68:
69: /**
70: * {@inheritDoc}
71: *
72: * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
73: */
74: @Override
75: public void dispose() {
76: composedAdapterFactory.dispose();
77: labelProvider.dispose();
78: error.dispose();
79: warning.dispose();
80: }
81:
82: /**
83: * {@inheritDoc}
84: *
85: * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
86: */
87: @Override
88: public boolean isLabelProperty(Object element, String property) {
89: return false;
90: }
91:
92: /**
93: * {@inheritDoc}
94: *
95: * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
96: */
97: @Override
98: public void removeListener(ILabelProviderListener listener) {
99: }
100:
101: /**
102: * {@inheritDoc}
103: *
104: * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
105: */
106: @Override
107: public Image getColumnImage(Object element, int columnIndex) {
108: final Diagnostic diagnostic = (Diagnostic) element;
109:• switch (columnIndex) {
110: case 0:
111: return getImageForSeverity(diagnostic.getSeverity());
112: default:
113: return null;
114: }
115: }
116:
117: private Image getImageForSeverity(int severity) {
118:• switch (severity) {
119: case Diagnostic.OK:
120: return null;
121: case Diagnostic.INFO:
122: return null;
123: case Diagnostic.WARNING:
124: return warning;
125: case Diagnostic.ERROR:
126: return error;
127: case Diagnostic.CANCEL:
128: return null;
129: default:
130: return null;
131: }
132: }
133:
134: /**
135: * {@inheritDoc}
136: *
137: * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
138: */
139: @Override
140: public String getColumnText(Object element, int columnIndex) {
141: final Diagnostic diagnostic = (Diagnostic) element;
142: final List<?> data = diagnostic.getData();
143:• switch (columnIndex) {
144: case 0:
145: return diagnostic.getMessage();
146: case 1:
147:• if (data.size() > 0) {
148: return labelProvider.getText(data.get(0));
149: }
150: return null;
151: case 2:
152:• if (data.size() > 1) {
153: return getFeatureName((EObject) data.get(0), (EStructuralFeature) data.get(1));
154: }
155: return null;
156: default:
157: return null;
158: }
159: }
160:
161: /**
162: * Get the localized name of a {@code feature} of an object.
163: *
164: * @param owner the object that owns the {@code feature}
165: * @param feature the feature for which to get the localized name
166: * @return the localized feature name, or just its simple name if not found
167: */
168: protected String getFeatureName(EObject owner, EStructuralFeature feature) {
169: String result = feature.getName();
170:
171: final IItemLabelProvider provider = (IItemLabelProvider) composedAdapterFactory.adapt(owner,
172: IItemLabelProvider.class);
173:• if (provider instanceof ResourceLocator) {
174: final EClass eClass = feature.getEContainingClass();
175: final String key = String.format("_UI_%s_%s_feature", eClass.getName(), result); //$NON-NLS-1$
176:
177: try {
178: final String l10nResult = ((ResourceLocator) provider).getString(key);
179:• if (l10nResult != null) {
180: result = l10nResult;
181: }
182: } catch (final MissingResourceException e) {
183: // That's okay. We'll just go with the feature name
184: }
185: }
186:
187: return result;
188: }
189:
190: }