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Package: RenderingConfiguration
RenderingConfiguration
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| RenderingConfiguration() |
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| getCurrent() |
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| getLayoutHelper(Class) |
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| getRenderingRowFactory(Class) |
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| readExtensionPoint() |
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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: * Eugen Neufeld - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.spi.renderer;
15:
16: import java.lang.reflect.ParameterizedType;
17: import java.util.LinkedHashMap;
18: import java.util.Map;
19:
20: import org.eclipse.core.runtime.CoreException;
21: import org.eclipse.core.runtime.IConfigurationElement;
22: import org.eclipse.core.runtime.IExtensionRegistry;
23: import org.eclipse.core.runtime.Platform;
24: import org.eclipse.emf.ecp.view.internal.ui.Activator;
25:
26: /**
27: * This class allows to get a fitting {@link LayoutHelper} based on the provided {@link Class} as well as to get a
28: * fitting {@link RenderingResultRowFactory} based on a {@link Class}.
29: *
30: * @author Eugen Neufeld
31: * @since 1.2
32: *
33: */
34: @Deprecated
35: public final class RenderingConfiguration {
36:
37: private static final String RENDERING_LAYOUT_HELPER = "renderingLayoutHelper"; //$NON-NLS-1$
38:
39: private static final String RENDERING_RESULT_ROW_FACTORY = "renderingResultRowFactory"; //$NON-NLS-1$
40:
41: private static final String RENDERING_CONFIGURATION_EXTENSION_POINT = "org.eclipse.emf.ecp.ui.view.renderingConfiguration"; //$NON-NLS-1$
42:
43: private static final String CLASS_ATTRIBUTE = "class";//$NON-NLS-1$
44:
45: private static final RenderingConfiguration INSTANCE = new RenderingConfiguration();
46: private final Map<Class<?>, RenderingResultRowFactory<?>> rowFactories = new LinkedHashMap<Class<?>, RenderingResultRowFactory<?>>();
47: private final Map<Class<?>, LayoutHelper<?>> layoutHelpers = new LinkedHashMap<Class<?>, LayoutHelper<?>>();
48:
49: /**
50: * Returns the singleton instance.
51: *
52: * @return the singleton
53: */
54: public static RenderingConfiguration getCurrent() {
55: return INSTANCE;
56: }
57:
58: private RenderingConfiguration() {
59: readExtensionPoint();
60: }
61:
62: private void readExtensionPoint() {
63: final IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
64:• if (extensionRegistry == null) {
65: return;
66: }
67: final IConfigurationElement[] controls = extensionRegistry.getConfigurationElementsFor(
68: RENDERING_CONFIGURATION_EXTENSION_POINT);
69:• for (final IConfigurationElement e : controls) {
70:• for (final IConfigurationElement e2 : e.getChildren()) {
71: try {
72:• if (RENDERING_RESULT_ROW_FACTORY.equalsIgnoreCase(e2.getName())) {
73: final RenderingResultRowFactory<?> rrrf = (RenderingResultRowFactory<?>) e2
74: .createExecutableExtension(CLASS_ATTRIBUTE);
75: final Class<?> clazz = (Class<?>) ((ParameterizedType) rrrf.getClass()
76: .getGenericInterfaces()[0])
77: .getActualTypeArguments()[0];
78: rowFactories.put(clazz, rrrf);
79:• } else if (RENDERING_LAYOUT_HELPER.equalsIgnoreCase(e2.getName())) {
80: final LayoutHelper<?> layoutHelper = (LayoutHelper<?>) e2
81: .createExecutableExtension(CLASS_ATTRIBUTE);
82: final Class<?> clazz = (Class<?>) ((ParameterizedType) layoutHelper.getClass()
83: .getGenericInterfaces()[0]).getActualTypeArguments()[0];
84: layoutHelpers.put(clazz, layoutHelper);
85: }
86: } catch (final CoreException ex) {
87: Activator.log(ex);
88: }
89: }
90: }
91:
92: }
93:
94: /**
95: * Returns the {@link RenderingResultRowFactory} registered for a specific {@link Class}.
96: *
97: * @param controlClazz the class to get the {@link RenderingResultRowFactory} for
98: * @param <CONTROL> the type of the control, the factory is working on
99: * @return the registered {@link RenderingResultRowFactory} or null if none is registered for the provided
100: * {@link Class}
101: */
102: @SuppressWarnings("unchecked")
103: public <CONTROL> RenderingResultRowFactory<CONTROL> getRenderingRowFactory(Class<CONTROL> controlClazz) {
104: return (RenderingResultRowFactory<CONTROL>) rowFactories.get(controlClazz);
105: }
106:
107: /**
108: * Returns the layout helper registered for a specific {@link Class}.
109: *
110: * @param layoutClazz the class to get the {@link LayoutHelper} for
111: * @param <LAYOUT> the type of the layout, the layout helper should create
112: * @return the registered {@link LayoutHelper} or null if none is registered for the provided {@link Class}
113: */
114: @SuppressWarnings("unchecked")
115: public <LAYOUT> LayoutHelper<LAYOUT> getLayoutHelper(Class<LAYOUT> layoutClazz) {
116: return (LayoutHelper<LAYOUT>) layoutHelpers.get(layoutClazz);
117: }
118: }