/*****************************************************************************
* Copyright (c) 2010 Atos Origin.
*
*
* 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:
* Mathieu Velten (Atos Origin) mathieu.velten@atosorigin.com - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.navigation;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.papyrus.infra.gmfdiag.navigation.ExistingNavigableElement;
import org.eclipse.papyrus.infra.gmfdiag.navigation.IModelLinker;
import org.eclipse.papyrus.infra.gmfdiag.navigation.INavigationRule;
import org.eclipse.papyrus.infra.gmfdiag.navigation.NavigableElement;
import org.eclipse.uml2.uml.Behavior;
import org.eclipse.uml2.uml.Operation;
import org.eclipse.uml2.uml.UMLPackage;
public class OperationRule implements INavigationRule {
public boolean handle(EObject element) {
return element instanceof Operation;
}
public List<NavigableElement> getNextPossibleElements(NavigableElement currentNavElement) {
List<NavigableElement> nextPossibleElements = new LinkedList<NavigableElement>();
EStructuralFeature feature = UMLPackage.Literals.BEHAVIORAL_FEATURE__METHOD;
final Operation op = (Operation)currentNavElement.getElement();
for(Behavior b : op.getMethods()) {
nextPossibleElements.add(new ExistingNavigableElement(b, feature));
}
UMLRuleHelper.addBehaviorCreatedNavigableElements(nextPossibleElements, currentNavElement, feature, new IModelLinker() {
public void linkToModel(EObject toLink) {
// TODO ask for container ?
org.eclipse.uml2.uml.Class owner = op.getClass_();
owner.getOwnedBehaviors().add((Behavior)toLink);
op.getMethods().add((Behavior)toLink);
}
});
return nextPossibleElements;
}
}