/*****************************************************************************
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.views.modelexplorer.widgets;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
/**
* A class to filter the empty elements, based on the given content provider
*
* @author Camille Letavernier
*/
public class MetamodelContentFilter extends ViewerFilter {
private IStructuredContentProvider metaclassProvider;
public MetamodelContentFilter(IStructuredContentProvider metaclassProvider) {
this.metaclassProvider = metaclassProvider;
}
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
return metaclassProvider.getElements(element).length > 0;
}
}