plugins/org.eclipse.amalgam.explorer.activity/src/org/eclipse/amalgam/explorer/activity/internal/DelegatedViewerFilter.java

/*******************************************************************************
 * Copyright (c)  2006, 2015 THALES GLOBAL SERVICES.
 * 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:
 *    Thales - initial API and implementation
 *******************************************************************************/
package org.eclipse.amalgam.explorer.activity.internal;

import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;

/**
 * Viewer filter driven by provided algorithm.
 * 
 */
public class DelegatedViewerFilter extends ViewerFilter {
	/**
	 * Delegated filter
	 */
	private ViewerFilter _delegatedFilter;

	/**
	 * @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer,
	 *      java.lang.Object, java.lang.Object)
	 */
	@Override
	public boolean select(Viewer viewer_p, Object parentElement_p, Object element_p) {
		boolean selected = true;
		if (null != _delegatedFilter) {
			selected = _delegatedFilter.select(viewer_p, parentElement_p, element_p);
		}
		return selected;
	}

	/**
	 * @param delegatedFilter_p
	 */
	public void setDelegatedFilter(ViewerFilter delegatedFilter_p) {
		_delegatedFilter = delegatedFilter_p;
	}
}