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/*****************************************************************************
* Copyright (c) 2021 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Vincent Lorenzo (CEA LIST) <vincent.lorenzo@cea.fr> - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.textedit.modelexplorer.internal.queries;
import java.util.Collection;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature.Setting;
import org.eclipse.papyrus.emf.facet.efacet.core.IFacetManager;
import org.eclipse.papyrus.emf.facet.efacet.core.exception.DerivedTypedElementException;
import org.eclipse.papyrus.emf.facet.query.java.core.IJavaQuery2;
import org.eclipse.papyrus.emf.facet.query.java.core.IParameterValueList2;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.infra.textedit.textdocument.TextDocument;
/**
* Query to test if the selected element is a document container.
*
*/
public class IsTextDocumentContainerQuery implements IJavaQuery2<EObject, Boolean> {
/**
* @see org.eclipse.papyrus.emf.facet.query.java.core.IJavaQuery2#evaluate(org.eclipse.emf.ecore.EObject, org.eclipse.papyrus.emf.facet.query.java.core.IParameterValueList2, org.eclipse.papyrus.emf.facet.efacet.core.IFacetManager)
*
* @param context
* @param parameterValues
* @param facetManager
* @return
* <code>true</code> if the selection is a document container
* @throws DerivedTypedElementException
*/
@Override
public Boolean evaluate(final EObject context, final IParameterValueList2 parameterValues, final IFacetManager facetManager) throws DerivedTypedElementException {
Collection<Setting> settings = EMFHelper.getUsages(context);
if (settings != null) {
for (Setting setting : settings) {
EObject usingElement = setting.getEObject();
if (usingElement instanceof TextDocument) {
final TextDocument document = (TextDocument) usingElement;
final EObject container = document.getGraphicalContext() == null ? document.getSemanticContext() : document.getGraphicalContext();
if (container == context) {
return true;
}
}
}
}
return false;
}
}
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