/**
* Copyright (c) 2011 committers of YAKINDU and others.
* 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:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.base.gmf.runtime.util;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.draw2d.Connection;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.NodeEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
public class EditPartUtils {
@SuppressWarnings("unchecked")
public static IGraphicalEditPart findEditPartForSemanticElement(
EditPart editPart, EObject semanticElement) {
if (semanticElement == null) {
return null;
}
if (editPart instanceof IGraphicalEditPart) {
EObject resolveSemanticElement = ((IGraphicalEditPart) editPart)
.resolveSemanticElement();
if (resolveSemanticElement != null
&& EcoreUtil.getURI(resolveSemanticElement).equals(
EcoreUtil.getURI(semanticElement))) {
return (IGraphicalEditPart) editPart;
}
}
for (Object child : editPart.getChildren()) {
IGraphicalEditPart recursiveEditPart = findEditPartForSemanticElement(
(EditPart) child, semanticElement);
if (recursiveEditPart != null) {
return recursiveEditPart;
}
}
if (editPart instanceof NodeEditPart) {
List<Connection> connections = new ArrayList<Connection>();
connections
.addAll(((NodeEditPart) editPart).getSourceConnections());
connections
.addAll(((NodeEditPart) editPart).getTargetConnections());
for (Object connection : connections) {
EObject resolveSemanticElement = ((IGraphicalEditPart) connection)
.resolveSemanticElement();
if (EcoreUtil.equals(resolveSemanticElement, semanticElement)) {
return (IGraphicalEditPart) connection;
}
}
}
return null;
}
}