/*******************************************************************************
 * Copyright (c) 2007, 2012 Association for Decentralized Information Management
 * in Industry THTH ry.
 * 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:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.browsing.ui.swt;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchPart;

/**
 * A hack to filter whether OntologyExplorer responds to workbench page
 * selection changes.
 * 
 * @author Tuukka Lehtonen
 */
public interface WorkbenchSelectionFilter {

    /**
     * @param part
     * @param s
     * @return <code>null</code> to deny the whole selection, otherwise the
     *         new possibly filtered selection to use
     */
    ISelection filterSelection(IWorkbenchPart part, ISelection s);

}