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/*****************************************************************************
* Copyright (c) 2015 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
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.edit.policies;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.diagram.ui.commands.CommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
import org.eclipse.gmf.runtime.diagram.ui.requests.EditCommandRequestWrapper;
import org.eclipse.gmf.runtime.emf.type.core.requests.MoveRequest;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.gmfdiag.common.editpolicies.DefaultCreationEditPolicy;
import org.eclipse.papyrus.uml.diagram.activity.commands.ActivityEdgeReparentCommand;
import org.eclipse.papyrus.uml.service.types.helper.ActivityNodeHelper;
import org.eclipse.uml2.uml.ActivityEdge;
import org.eclipse.uml2.uml.ActivityNode;
import org.eclipse.uml2.uml.ActivityPartition;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.InterruptibleActivityRegion;
import org.eclipse.uml2.uml.Pin;
/**
* Class provide extended reparent command in case of:
* - drag&drop from ActivityPartition or InterruptibleActivityRegion
* - drag&drop of an ActivityEdge (reparent according to its new container)
*/
public class ActivityCompartmentCreationEditPolicy extends DefaultCreationEditPolicy {
/**
* Set in moveRequest additional parameters then reparent from ActivityPartition
* or InterruptibleActivityRegion
* Reparent ActivityEdge if necessary
*/
@Override
protected ICommand getReparentCommand(IGraphicalEditPart gep) {
CompositeCommand cc = new CompositeCommand(DiagramUIMessages.AddCommand_Label);
View container = (View) getHost().getModel();
EObject context = ViewUtil.resolveSemanticElement(container);
View view = (View) gep.getModel();
EObject element = ViewUtil.resolveSemanticElement(view);
TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost())
.getEditingDomain();
// semantic
if (element != null) {
// Set in moveRequest additional parameters then reparent from ActivityPartition
// or InterruptibleActivityRegion
MoveRequest req = new MoveRequest(editingDomain, context, element);
EObject currentParentSemantic = ((IGraphicalEditPart) gep.getParent()).resolveSemanticElement();
if (currentParentSemantic instanceof ActivityPartition) {
req.setParameter(ActivityNodeHelper.OUT_FROM_PARTITION, currentParentSemantic);
}
if (currentParentSemantic instanceof InterruptibleActivityRegion) {
req.setParameter(ActivityNodeHelper.OUT_FROM_INTERRUPTIBLE_REGION, currentParentSemantic);
}
Command moveSemanticCmd = getHost().getCommand(new EditCommandRequestWrapper(req));
if (moveSemanticCmd == null) {
return org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand.INSTANCE;
}
cc.compose(new CommandProxy(moveSemanticCmd));
// Reparent ActivityEdge if necessary
if (context != null && shouldReparent(element, context)) {
if (element instanceof ActivityNode) {
ActivityNode activityNode = (ActivityNode) element;
// correct container of ControlFlow
for (ActivityEdge edge : activityNode.getOutgoings()) {
cc.compose(new ActivityEdgeReparentCommand(editingDomain, edge));
}
for (ActivityEdge edge : activityNode.getIncomings()) {
cc.compose(new ActivityEdgeReparentCommand(editingDomain, edge));
}
// correct container of ObjectFlow
for (Element ownedElement : activityNode.getOwnedElements()) {
if (ownedElement instanceof Pin) {
for (ActivityEdge edge : ((Pin) ownedElement).getOutgoings()) {
cc.compose(new ActivityEdgeReparentCommand(editingDomain, edge));
}
for (ActivityEdge edge : ((Pin) ownedElement).getIncomings()) {
cc.compose(new ActivityEdgeReparentCommand(editingDomain, edge));
}
}
}
}
}
}
// notation
cc.compose(getReparentViewCommand(gep));
return cc;
}
}
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