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/***************************************************************************
* Copyright (c) 2004 - 2007 Eike Stepper, Germany.
* 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:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.emf.cdo.edit;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import java.util.Collection;
import java.util.List;
/**
* @author Eike Stepper
*/
public class CDOItemProviderAdapter extends ItemProviderAdapter
{
public CDOItemProviderAdapter(AdapterFactory adapterFactory)
{
super(adapterFactory);
}
@Override
@SuppressWarnings("deprecation")
public boolean hasChildren(Object object)
{
Collection<? extends EStructuralFeature> anyChildrenFeatures = getChildrenFeatures(object);
if (anyChildrenFeatures.isEmpty())
{
anyChildrenFeatures = getChildrenReferences(object);
}
EObject eObject = (EObject)object;
for (EStructuralFeature feature : anyChildrenFeatures)
{
if (feature.isMany())
{
List<?> children = (List<?>)eObject.eGet(feature);
if (!children.isEmpty())
{
return true;
}
}
else
{
if (eObject.eIsSet(feature))
{
return true;
}
}
}
return false;
}
}
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