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/*****************************************************************************
* Copyright (c) 2013 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:
* Laurent Wouters laurent.wouters@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.viewpoints.configuration;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
/**
* Represents a descriptor for properties of type EClass
*
* @author Laurent Wouters
*/
public class EClassPropertyDescriptor extends SurrogateItemPropertyDescriptor {
private static final Collection<EObject> empty = new ArrayList<EObject>();
/**
* Constructor.
*
* @param inner
*/
public EClassPropertyDescriptor(IItemPropertyDescriptor inner) {
super(inner);
}
/**
* @see org.eclipse.papyrus.infra.viewpoints.configuration.SurrogateItemPropertyDescriptor#getChoiceOfValues(java.lang.Object)
*
* @param object
* @return
*/
@Override
public Collection<?> getChoiceOfValues(Object object) {
EObject current = (EObject) object;
while (current != null && !(current instanceof PapyrusConfiguration)) {
current = current.eContainer();
}
if (current == null) {
return empty;
}
PapyrusConfiguration conf = (PapyrusConfiguration) current;
List<EClass> result = new ArrayList<EClass>();
EPackage p = conf.getMetamodel();
if (p == null) {
return result;
}
for (EClassifier c : p.getEClassifiers()) {
if (c instanceof EClass) {
result.add((EClass) c);
}
}
return result;
}
}
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