diff options
Diffstat (limited to 'plugins/facet/org.eclipse.papyrus.emf.facet.widgets.celleditors/src/org/eclipse/papyrus/emf/facet/widgets/celleditors/internal/composite/registries/CompositeEditorFactoriesRegistry.java')
-rw-r--r-- | plugins/facet/org.eclipse.papyrus.emf.facet.widgets.celleditors/src/org/eclipse/papyrus/emf/facet/widgets/celleditors/internal/composite/registries/CompositeEditorFactoriesRegistry.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/plugins/facet/org.eclipse.papyrus.emf.facet.widgets.celleditors/src/org/eclipse/papyrus/emf/facet/widgets/celleditors/internal/composite/registries/CompositeEditorFactoriesRegistry.java b/plugins/facet/org.eclipse.papyrus.emf.facet.widgets.celleditors/src/org/eclipse/papyrus/emf/facet/widgets/celleditors/internal/composite/registries/CompositeEditorFactoriesRegistry.java new file mode 100644 index 00000000000..a170a6d9ac4 --- /dev/null +++ b/plugins/facet/org.eclipse.papyrus.emf.facet.widgets.celleditors/src/org/eclipse/papyrus/emf/facet/widgets/celleditors/internal/composite/registries/CompositeEditorFactoriesRegistry.java @@ -0,0 +1,123 @@ +/*******************************************************************************
+ * Copyright (c) 2011 Mia-Software.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Fabien Giquel (Mia-Software) - initial API and implementation
+ * Nicolas Bros (Mia-Software) - Bug 338437 - compositeEditors extension point cannot be used to register user types
+ * Nicolas Guyomar (Mia-Software) - Bug 338826 - CompositeEditorFactoriesRegistry.getCompositeEditorFactory() should be parameterized
+ * Nicolas Guyomar (Mia-Software) - Bug 339554 - org.eclipse.emf.facet.widgets.celleditors API cleaning
+ * Nicolas Bros (Mia-Software) - Bug 341369 - CompositeEditorFactoriesRegistry : inverted type comparison
+ * Gregoire Dupe (Mia-Software) - Bug 369987 - [Restructuring][Table] Switch to the new customization and facet framework
+ *******************************************************************************/
+package org.eclipse.emf.facet.widgets.celleditors.internal.composite.registries;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.emf.facet.util.core.Logger;
+import org.eclipse.emf.facet.util.core.internal.exported.AbstractRegistry;
+import org.eclipse.emf.facet.widgets.celleditors.ICompositeEditorFactory;
+import org.eclipse.emf.facet.widgets.celleditors.internal.Activator;
+
+/**
+ * Registry for composite editors extension point
+ */
+public class CompositeEditorFactoriesRegistry extends AbstractRegistry
+ implements
+ org.eclipse.emf.facet.widgets.celleditors.core.composite.registries.ICompositeEditorFactoriesRegistry,
+ org.eclipse.emf.facet.widgets.celleditors.core.composite.registry.ICompositeEditorFactoriesRegistry {
+
+ private static final String CLASS_ATTRIBUTE = "class"; //$NON-NLS-1$
+
+ private static final String EXTENSION_POINT_NAMESPACE = "org.eclipse.emf.facet.widgets.celleditors"; //$NON-NLS-1$
+ private static final String EXTENSION_POINT_NAME = "compositeEditorFactories"; //$NON-NLS-1$
+ private final List<ICompositeEditorFactory<?>> compositeFactories;
+
+ public CompositeEditorFactoriesRegistry() {
+ this.compositeFactories = new ArrayList<ICompositeEditorFactory<?>>();
+ initialize();
+ }
+
+ public boolean hasCompositeEditorFactory(final Class<?> type) {
+ return getCompositeEditorFactory(type) != null;
+ }
+
+ public <T> ICompositeEditorFactory<T> getCompositeEditorFactory(final Class<T> type) {
+ if (this.compositeFactories == null) {
+ initialize();
+ }
+
+ final Class<?> objectType;
+ if (type == byte.class) {
+ objectType = Byte.class;
+ } else if (type == short.class) {
+ objectType = Short.class;
+ } else if (type == int.class) {
+ objectType = Integer.class;
+ } else if (type == long.class) {
+ objectType = Long.class;
+ } else if (type == float.class) {
+ objectType = Float.class;
+ } else if (type == double.class) {
+ objectType = Double.class;
+ } else if (type == boolean.class) {
+ objectType = Boolean.class;
+ } else if (type == char.class) {
+ objectType = Character.class;
+ } else {
+ objectType = type;
+ }
+
+ // choose the factory with the most "precise" type (lowest in the inheritance hierarchy)
+ Class<?> mostPreciseType = null;
+ ICompositeEditorFactory<T> mostPreciseFactory = null;
+ for (ICompositeEditorFactory<?> factory : this.compositeFactories) {
+ Class<?> handledType = factory.getHandledType();
+ if (handledType != null && handledType.isAssignableFrom(objectType)) {
+ if (mostPreciseType == null || mostPreciseType.isAssignableFrom(handledType)) {
+ mostPreciseType = handledType;
+ mostPreciseFactory = castMostPreciseFactory(factory);
+ }
+ }
+ }
+ return mostPreciseFactory;
+ }
+
+ // Only here to isolate the suppress warning
+ @SuppressWarnings("unchecked")
+ private <T> ICompositeEditorFactory<T> castMostPreciseFactory(final ICompositeEditorFactory<?> factory) {
+ ICompositeEditorFactory<T> mostPreciseFactory;
+ mostPreciseFactory = (ICompositeEditorFactory<T>) factory;
+ return mostPreciseFactory;
+ }
+
+ @Override
+ protected String getExtensionPointNamespace() {
+ return CompositeEditorFactoriesRegistry.EXTENSION_POINT_NAMESPACE;
+ }
+
+ @Override
+ protected String getExtensionPointName() {
+ return CompositeEditorFactoriesRegistry.EXTENSION_POINT_NAME;
+ }
+
+ @Override
+ protected void handleRootElement(final IConfigurationElement configurationElement) {
+ ICompositeEditorFactory<?> factory;
+ try {
+ factory = (ICompositeEditorFactory<?>) configurationElement
+ .createExecutableExtension(CompositeEditorFactoriesRegistry.CLASS_ATTRIBUTE);
+ this.compositeFactories.add(factory);
+ } catch (CoreException e) {
+ Logger.logError(
+ e,
+ "A problem occured when instantiating a composite editor factory", Activator.getDefault()); //$NON-NLS-1$
+ }
+ }
+}
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