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/*****************************************************************************
* Copyright (c) 2019 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.properties.databinding;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.papyrus.infra.gmfdiag.common.databinding.GMFObservableList;
import org.eclipse.papyrus.uml.types.core.requests.SetStereotypeValueRequest;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Stereotype;
/**
* The observable list for the stereotype property.
*/
public class StereotypePropertyObservableList extends GMFObservableList {
/**
* The stereotype of the stereotype application to edit.
*/
private Stereotype stereotype;
/**
*
* Constructor.
*
* @param wrappedList
* The list to be edited when #commit() is called
* @param domain
* The editing domain on which the commands will be executed
* @param source
* The EObject from which the list will be retrieved
* @param feature
* The feature from which the list will be retrieved
* @param stereotype
* The stereotype to manage.
*/
public StereotypePropertyObservableList(final List<?> wrappedList, final EditingDomain domain, final EObject source, final EStructuralFeature feature, final Stereotype stereotype) {
super(wrappedList, domain, source, feature);
this.stereotype = stereotype;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.papyrus.infra.services.edit.ui.databinding.PapyrusObservableList#getRequests(java.util.List, java.util.Collection)
*/
@Override
protected Collection<? extends IEditCommandRequest> getRequests(List<Object> newValues, Collection<?> removedValues) {
LinkedList<IEditCommandRequest> requests = new LinkedList<>();
if (feature instanceof EReference && ((EReference) feature).isContainment() && removedValues != null) {
for (Object o : removedValues) {
if (o instanceof EObject) {
requests.add(new DestroyElementRequest((TransactionalEditingDomain) editingDomain, (EObject) o, false));
}
}
}
if (source instanceof Element) {
requests.add(new SetStereotypeValueRequest((TransactionalEditingDomain) editingDomain, stereotype, (Element) source, feature.getName(), newValues));
} else {
requests.add(new SetRequest((TransactionalEditingDomain) editingDomain, source, feature, newValues));
}
return requests;
}
}
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