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/*******************************************************************************
* Copyright (c) 2010 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.business.internal.migration.resource.session.diagram.data;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.sirius.common.tools.api.util.Option;
import org.eclipse.sirius.DDiagram;
import org.eclipse.sirius.DDiagramElement;
import org.eclipse.sirius.DEdge;
import org.eclipse.sirius.DSemanticDecorator;
import org.eclipse.sirius.EdgeTarget;
import org.eclipse.sirius.business.api.query.DDiagramElementQuery;
import org.eclipse.sirius.description.RepresentationElementMapping;
/**
* Factory of all lost elements.
*
* @author dlecan
*/
public final class LostElementFactory {
private LostElementFactory() {
// Nothing.
}
/**
* Create lost node data from diagram element.
*
* @param diagramElement
* Diagram element.
* @return Lost node data.
*/
public static LostNodeData createLostNodeData(final DDiagramElement diagramElement) {
Option<? extends RepresentationElementMapping> mapping = new DDiagramElementQuery(diagramElement).getMapping();
LostNodeData data = new LostNodeData();
data.setTarget(diagramElement.getTarget());
data.setMapping(mapping.get());
data.setParentData(LostElementFactory.createLostNodeParentData(diagramElement));
return data;
}
/**
* Create lost edge data from diagram element.
*
* @param diagramElement
* Diagram element.
* @return Lost edge data.
*/
public static LostEdgeData createLostEdgeData(final DDiagramElement diagramElement) {
Option<? extends RepresentationElementMapping> mapping = new DDiagramElementQuery(diagramElement).getMapping();
final LostEdgeData data = new LostEdgeData();
data.setTarget(diagramElement.getTarget());
data.setMapping(mapping.get());
final EdgeTarget sourceNode = ((DEdge) diagramElement).getSourceNode();
final EdgeTarget targetNode = ((DEdge) diagramElement).getTargetNode();
if (sourceNode instanceof DDiagramElement && LostElementFactory.isCompleteDiagramElement((DDiagramElement) sourceNode)) {
final LostNodeData sourceData = LostElementFactory.createLostNodeData((DDiagramElement) sourceNode);
data.setSourceData(sourceData);
if (targetNode instanceof DDiagramElement && LostElementFactory.isCompleteDiagramElement((DDiagramElement) targetNode)) {
final LostNodeData targetData = LostElementFactory.createLostNodeData((DDiagramElement) targetNode);
data.setTargetData(targetData);
}
}
return data;
}
/**
* Check if diagram element is complete.
*
* @param diagElement
* Diagram element to check. .
* @return <code>true</code> if diagram element and mapping and target are
* not <code>null</code>.
*/
public static boolean isCompleteDiagramElement(final DDiagramElement diagElement) {
return diagElement != null && diagElement.getDiagramElementMapping() != null && diagElement.getTarget() != null && !diagElement.getTarget().eIsProxy();
}
private static ILostElementDataContainer createLostNodeParentData(final DDiagramElement diagElement) {
final EObject eContainer = diagElement.eContainer();
ILostElementDataContainer parent = null;
if (eContainer != null) {
if (eContainer instanceof DDiagram) {
final LostDiagramData parentData = new LostDiagramData();
if (eContainer instanceof DSemanticDecorator) {
parentData.setTarget(((DSemanticDecorator) eContainer).getTarget());
}
parent = parentData;
} else if (eContainer instanceof DDiagramElement) {
final DDiagramElement containerDiagramElement = (DDiagramElement) eContainer;
if (LostElementFactory.isCompleteDiagramElement(containerDiagramElement)) {
parent = LostElementFactory.createLostNodeData(containerDiagramElement);
}
}
}
return parent;
}
}
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