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/*****************************************************************************
* Copyright (c) 2010, 2018 CEA LIST, Christian W. Damus, 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:
* Yann Tanguy (CEA LIST) yann.tanguy@cea.fr - Initial API and implementation
* Christian W. Damus - bug 530201
*
*****************************************************************************/
package org.eclipse.papyrus.uml.service.types.helper;
import static java.util.Collections.singleton;
import static org.eclipse.papyrus.uml.service.types.utils.RequestParameterUtils.setCoveredLifelines;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.uml.service.types.utils.SequenceRequestConstant;
import org.eclipse.uml2.uml.Interaction;
import org.eclipse.uml2.uml.InteractionFragment;
import org.eclipse.uml2.uml.InteractionOperand;
import org.eclipse.uml2.uml.Lifeline;
import org.eclipse.uml2.uml.UMLPackage;
/**
* @since 3.0
*/
public class LifelineEditHelper extends ElementEditHelper {
/**
* @see org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelper#configureRequest(org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest)
*
* @param request
*/
@SuppressWarnings("unchecked")
@Override
protected void configureRequest(IEditCommandRequest request) {
if (request instanceof CreateElementRequest) {
CreateElementRequest createRequest = (CreateElementRequest) request;
EObject container = createRequest.getContainer();
if (container instanceof Lifeline) {
createRequest.getParameters().put(SequenceRequestConstant.COVERED, container);
setCoveredLifelines(createRequest, singleton((Lifeline) container));
}
IElementType elementtype = createRequest.getElementType();
if (elementtype.getEClass() != null && UMLPackage.eINSTANCE.getExecutionSpecification().isSuperTypeOf(elementtype.getEClass())) {
Object containerParam = request.getParameters().get(SequenceRequestConstant.INTERACTIONFRAGMENT_CONTAINER);
if (containerParam instanceof Interaction || containerParam instanceof InteractionOperand) {
EObject newContainer = (EObject) containerParam;
if (newContainer instanceof Interaction) {
createRequest.setContainer(newContainer);
createRequest.setContainmentFeature(UMLPackage.eINSTANCE.getInteraction_Fragment());
} else if (newContainer instanceof InteractionOperand) {
createRequest.setContainer(newContainer);
createRequest.setContainmentFeature(UMLPackage.eINSTANCE.getInteractionOperand_Fragment());
}
}
}
}
super.configureRequest(request);
}
/**
* @see org.eclipse.papyrus.infra.gmfdiag.common.helper.DefaultEditHelper#getDestroyElementCommand(org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest)
*
* @param req
* @return
*/
@Override
protected ICommand getDestroyElementCommand(DestroyElementRequest req) {
EObject objectToDelete = req.getElementToDestroy();
if (objectToDelete instanceof Lifeline) {
Lifeline lifeline = (Lifeline) objectToDelete;
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(objectToDelete);
if (provider != null) {
// Retrieve delete command from the Element Edit service
ICommand deleteCommand = super.getDestroyElementCommand(req);
if (deleteCommand != null) {
CompositeCommand deleteElementsCommand = new CompositeCommand(req.getLabel());
deleteElementsCommand.add(deleteCommand);
// Destroy all the interactionFragments that cover only the lifeline being deleted
for (InteractionFragment interactionFragment : lifeline.getCoveredBys()) {
if (interactionFragment.getCovereds().size() == 1) {
DestroyElementRequest destroyRequest = new DestroyElementRequest(req.getEditingDomain(), interactionFragment, false);
deleteElementsCommand.add(new DestroyElementCommand(destroyRequest));
}
}
return deleteElementsCommand;
}
}
}
return UnexecutableCommand.INSTANCE;
}
}
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