/*******************************************************************************
 * Copyright (c) 2004, 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 * 
 * Contributors:
 *     Miguel Garcia (Tech Univ Hamburg-Harburg) - customization for EMF Generics
 *******************************************************************************/

package org.eclipse.emf.emfatic.ui.outline;

import org.eclipse.emf.emfatic.core.lang.gen.ast.Operation;
import org.eclipse.gymnast.runtime.core.ast.ASTNode;
import org.eclipse.gymnast.runtime.core.outline.OutlineNode;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;

public class OpFilter extends ViewerFilter {

	@Override
	public boolean select(Viewer viewer, Object parentElement, Object element) {
		if (element instanceof OutlineNode) {
			OutlineNode on = (OutlineNode) element;
			ASTNode an = on.getASTNode();
			if (an instanceof Operation) {
				return false;
			}
			// actually the node in the outline is the name, i.e.
			// Attribute#getName()
			if (an.getParent() != null && an.getParent() instanceof Operation) {
				return false;
			}
		}
		return true;
	}

}