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/*******************************************************************************
* Copyright (c) 2012 THALES GLOBAL SERVICES.
* 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
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.ui.business.api.query;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.sirius.business.api.session.CustomDataConstants;
import org.eclipse.sirius.diagram.DDiagram;
import org.eclipse.sirius.diagram.business.api.query.DDiagramQuery;
import org.eclipse.sirius.diagram.business.api.query.DiagramDescriptionQuery;
import org.eclipse.sirius.ext.base.Option;
import org.eclipse.sirius.ext.base.Options;
import org.eclipse.sirius.viewpoint.description.AnnotationEntry;
/**
* A class aggregating all the graphical queries (read-only!) having a
* {@link DDiagram} as a starting point.
*
* @author lredor
*
*/
public class DDiagramGraphicalQuery extends DDiagramQuery {
/**
* Create a new query.
*
* @param dDiagram
* the element to query.
*/
public DDiagramGraphicalQuery(DDiagram dDiagram) {
super(dDiagram);
}
/**
* Return the GMF diagram associated with this DDiagram.
*
* @return the GMF diagram associated with this DDiagram.
*/
public Option<Diagram> getAssociatedGMFDiagram() {
for (final AnnotationEntry annotation : new DDiagramQuery(dDiagram).getAnnotation(CustomDataConstants.GMF_DIAGRAMS)) {
EObject eObject = annotation.getData();
if (eObject instanceof Diagram) {
final Diagram diagramInResource = (Diagram) eObject;
final EObject semanticElement = ViewUtil.resolveSemanticElement(diagramInResource);
if (semanticElement == dDiagram) {
return Options.newSome(diagramInResource);
}
}
}
return Options.newNone();
}
/**
* Return true if the header must be enabled, false otherwise.
*
* @return true if the header must be enabled, false otherwise.
*/
public boolean isHeaderSectionEnabled() {
boolean isHeaderSectionEnabled = false;
if (dDiagram.getDescription() != null) {
isHeaderSectionEnabled = new DiagramDescriptionQuery(dDiagram.getDescription()).isHeaderSectionEnabled();
}
return isHeaderSectionEnabled;
}
}
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