/*****************************************************************************
* 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.properties.providers;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.papyrus.infra.widgets.providers.UnchangedObject;
import org.eclipse.papyrus.infra.widgets.providers.UnsetObject;
public class EncapsulatedViewerFilter extends ViewerFilter {
private ViewerFilter viewerFilter;
public EncapsulatedViewerFilter(ViewerFilter encapsulated) {
this.viewerFilter = encapsulated;
}
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
if(element == UnsetObject.instance || element == UnchangedObject.instance) {
return true;
}
return viewerFilter.select(viewer, parentElement, element);
}
}