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/**
* Copyright (c) 2014 CEA LIST.
*
* 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:
* CEA LIST - Initial API and implementation
*/
package org.eclipse.papyrus.uml.diagram.component.edit.commands;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRequest;
import org.eclipse.papyrus.uml.diagram.component.edit.policies.UMLBaseItemSemanticEditPolicy;
import org.eclipse.uml2.uml.Abstraction;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.Package;
/**
* @generated
*/
public class AbstractionReorientCommand extends EditElementCommand {
/**
* @generated
*/
private final int reorientDirection;
/**
* @generated
*/
private final EObject oldEnd;
/**
* @generated
*/
private final EObject newEnd;
/**
* @generated
*/
public AbstractionReorientCommand(ReorientRelationshipRequest request) {
super(request.getLabel(), request.getRelationship(), request);
reorientDirection = request.getDirection();
oldEnd = request.getOldRelationshipEnd();
newEnd = request.getNewRelationshipEnd();
}
/**
* @generated
*/
@Override
public boolean canExecute() {
if (false == getElementToEdit() instanceof Abstraction) {
return false;
}
if (reorientDirection == ReorientRequest.REORIENT_SOURCE) {
return canReorientSource();
}
if (reorientDirection == ReorientRequest.REORIENT_TARGET) {
return canReorientTarget();
}
return false;
}
/**
* @generated
*/
protected boolean canReorientSource() {
if (!(oldEnd instanceof NamedElement && newEnd instanceof NamedElement)) {
return false;
}
if (getLink().getSuppliers().size() != 1) {
return false;
}
NamedElement target = getLink().getSuppliers().get(0);
if (!(getLink().eContainer() instanceof Package)) {
return false;
}
Package container = (Package) getLink().eContainer();
return UMLBaseItemSemanticEditPolicy.getLinkConstraints().canExistAbstraction_4013(container, getLink(), getNewSource(), target);
}
/**
* @generated
*/
protected boolean canReorientTarget() {
if (!(oldEnd instanceof NamedElement && newEnd instanceof NamedElement)) {
return false;
}
if (getLink().getClients().size() != 1) {
return false;
}
NamedElement source = getLink().getClients().get(0);
if (!(getLink().eContainer() instanceof Package)) {
return false;
}
Package container = (Package) getLink().eContainer();
return UMLBaseItemSemanticEditPolicy.getLinkConstraints().canExistAbstraction_4013(container, getLink(), source, getNewTarget());
}
/**
* @generated
*/
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
if (!canExecute()) {
throw new ExecutionException("Invalid arguments in reorient link command"); //$NON-NLS-1$
}
if (reorientDirection == ReorientRequest.REORIENT_SOURCE) {
return reorientSource();
}
if (reorientDirection == ReorientRequest.REORIENT_TARGET) {
return reorientTarget();
}
throw new IllegalStateException();
}
/**
* @generated
*/
protected CommandResult reorientSource() throws ExecutionException {
getLink().getClients().remove(getOldSource());
getLink().getClients().add(getNewSource());
return CommandResult.newOKCommandResult(getLink());
}
/**
* @generated
*/
protected CommandResult reorientTarget() throws ExecutionException {
getLink().getSuppliers().remove(getOldTarget());
getLink().getSuppliers().add(getNewTarget());
return CommandResult.newOKCommandResult(getLink());
}
/**
* @generated
*/
protected Abstraction getLink() {
return (Abstraction) getElementToEdit();
}
/**
* @generated
*/
protected NamedElement getOldSource() {
return (NamedElement) oldEnd;
}
/**
* @generated
*/
protected NamedElement getNewSource() {
return (NamedElement) newEnd;
}
/**
* @generated
*/
protected NamedElement getOldTarget() {
return (NamedElement) oldEnd;
}
/**
* @generated
*/
protected NamedElement getNewTarget() {
return (NamedElement) newEnd;
}
}
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