/*******************************************************************************
 * Copyright (c) 2010, 2018 Willink Transformations 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
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *     E.D.Willink - initial API and implementation
 *******************************************************************************/
package org.eclipse.qvtd.pivot.qvtrelation.attributes;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.ocl.pivot.internal.scoping.AbstractAttribution;
import org.eclipse.ocl.pivot.internal.scoping.EnvironmentView;
import org.eclipse.ocl.pivot.internal.scoping.ScopeView;
import org.eclipse.qvtd.pivot.qvtbase.TypedModel;
import org.eclipse.qvtd.pivot.qvtrelation.DomainPattern;
import org.eclipse.qvtd.pivot.qvtrelation.RelationDomain;
import org.eclipse.qvtd.pivot.qvtrelation.utilities.QVTrelationUtil;

public class RelationDomainAttribution extends AbstractAttribution
{
	public static final RelationDomainAttribution INSTANCE = new RelationDomainAttribution();

	@Override
	public ScopeView computeLookup(@NonNull EObject target, @NonNull EnvironmentView environmentView, @NonNull ScopeView scopeView) {
		RelationDomain targetElement = (RelationDomain)target;
		for (DomainPattern pattern : targetElement.getPattern()) {
			if (pattern != null) {
				environmentView.addNamedElements(pattern.getBindsTo());
			}
		}
		TypedModel typedModel = targetElement.getTypedModel();
		if (typedModel != null) {
			for (org.eclipse.ocl.pivot.Package pPackage : QVTrelationUtil.getUsedPackages(typedModel)) {
				environmentView.addAllPackages(pPackage);
				environmentView.addAllTypes(pPackage);
			}
		}
		return scopeView.getParent();
	}
}