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/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
* 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.uml.table.widget.celleditors.editors;
import org.eclipse.emf.common.util.Enumerator;
import org.eclipse.emf.ecore.EEnum;
import org.eclipse.emf.ecore.EEnumLiteral;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.impl.EcoreFactoryImpl;
import org.eclipse.emf.facet.widgets.celleditors.IListener;
import org.eclipse.emf.facet.widgets.celleditors.IModelCellEditHandler;
import org.eclipse.emf.facet.widgets.celleditors.IModelCellEditor;
import org.eclipse.emf.facet.widgets.celleditors.internal.core.composite.EnumeratorComposite;
import org.eclipse.papyrus.uml.table.widget.celleditors.composite.PapyrusEnumeratorComposite;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
*
* This class provides an Editor for EMF Enumerator.
*
* FIXME : this class doesn't depend on UML.
*/
public class EnumeratorEditor implements IModelCellEditor {
/** the composite for this editor */
private EnumeratorComposite<Enumerator> composite = null;
/**
* {@inheritDoc}
*
* @return <code>null</code> when the Enumeration constains only one EnumLiteral
*/
public Control activateCell(Composite parent, Object originalValue, final IModelCellEditHandler editHandler, EStructuralFeature feature, EObject source) {
if(originalValue instanceof Enumerator) {
Class<?> class_ = originalValue.getClass();
Object[] constants = class_.getEnumConstants();
EEnum myEEnum = EcoreFactoryImpl.eINSTANCE.createEEnum();
myEEnum.setName(class_.getSimpleName());
myEEnum.setInstanceClassName(class_.getName());
for(int i = 0; i < constants.length; i++) {
EEnumLiteral literal = EcoreFactoryImpl.eINSTANCE.createEEnumLiteral();
literal.setInstance((Enumerator)constants[i]);
myEEnum.getELiterals().add(literal);
}
if(myEEnum.getELiterals().size() > 2) {//we don't return the editor when there is only one value in the enumeration
this.composite = new PapyrusEnumeratorComposite<Enumerator>(parent);
this.composite.setEEnum(myEEnum);
this.composite.setValue((Enumerator)originalValue);
this.composite.addCommitListener(new IListener() {
public void handleEvent() {
editHandler.commit();
}
});
return this.composite;
}
}
return null;
}
/**
*
* {@inheritDoc}
*
*/
public Object getValue() {
return this.composite.getValue();
}
}
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