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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:
* Pauline DEVILLE (CEA LIST) - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.dnd.commands;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.EditPart;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.IHintedType;
import org.eclipse.gmf.runtime.emf.type.core.commands.CreateElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.uml.diagram.activity.dnd.Messages;
import org.eclipse.papyrus.uml.service.types.element.UMLElementTypes;
import org.eclipse.uml2.uml.AcceptEventAction;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Model;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.Signal;
import org.eclipse.uml2.uml.SignalEvent;
import org.eclipse.uml2.uml.Trigger;
import org.eclipse.uml2.uml.UMLPackage;
/**
* Extends the generic class to create and update an AcceptEventAction,
* create and trigger and a signalEvent then set the trigger
*
* @since 3.5.0
*/
public class CreateAcceptEventActionAndUpdateCommand<T extends EObject, E extends EObject, S extends EObject> extends CreateTAndUpdateCommand<T, E, S> {
private static final String EVENT_PACKAGE_NAME = Messages.CreateAcceptEventActionAndUpdateCommand_PackageName;
/**
* Constructor.
*
* @param targetEditPart
* @param typeParameterClass
* @param targetElementDiagram
* @param sourceElement
* @param headless
* @param typeToCreate
* @param location
* @param dropEditPartVisualID
*/
public CreateAcceptEventActionAndUpdateCommand(EditPart targetEditPart, Class<T> typeParameterClass, E targetElementDiagram, S sourceElement, boolean headless, IHintedType typeToCreate, Point location,
String dropEditPartVisualID) {
super(targetEditPart, typeParameterClass, targetElementDiagram, sourceElement, headless, typeToCreate, null, location, dropEditPartVisualID);
}
/**
* @see org.eclipse.papyrus.uml.diagram.activity.dnd.commands.CreateTAndUpdateCommand#updateNewlyCreatedEObjectWithEObjectDragged(org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EObject)
*
* @param slot
* @param property
* @throws ExecutionException
*/
@Override
protected void updateNewlyCreatedEObjectWithEObjectDragged(T slot, S property) throws ExecutionException {
AcceptEventAction action = (AcceptEventAction) slot;
action.setIsUnmarshall(true);
Signal signal = (Signal) sourceElement;
// Retrieve the created slot, and update its properties
EObject newCreatedElement = null;
if (!action.getTriggers().isEmpty()) {
newCreatedElement = action.getTriggers().get(0);
} else {
newCreatedElement = createElement(action, UMLElementTypes.TRIGGER);
}
if (newCreatedElement == null || false == newCreatedElement instanceof Trigger) {
return;
}
final Trigger trigger = (Trigger) newCreatedElement;
Package packageEvent = getEventPackage(action);
newCreatedElement = createElement(packageEvent, UMLElementTypes.SIGNAL_EVENT);
if (newCreatedElement == null || false == newCreatedElement instanceof SignalEvent) {
return;
}
final SignalEvent signalEvent = (SignalEvent) newCreatedElement;
setElementFeature(signalEvent, UMLPackage.eINSTANCE.getSignalEvent_Signal(), signal);
setElementFeature(trigger, UMLPackage.eINSTANCE.getTrigger_Event(), signalEvent);
}
private Package getEventPackage(Element context) throws ExecutionException {
Package ret = null;
Model root = context.getModel();
ret = root.getNestedPackage(EVENT_PACKAGE_NAME);
if (ret == null) {
EObject newElement = createElement(root, UMLElementTypes.PACKAGE);
if (newElement == null || false == newElement instanceof Package) {
return null;
}
ret = (Package) newElement;
ret.setName(EVENT_PACKAGE_NAME);
}
return ret;
}
private EObject createElement(EObject owner, IElementType type) throws ExecutionException {
TransactionalEditingDomain domain = (TransactionalEditingDomain) EMFHelper.resolveEditingDomain(targetEditPart);
CreateElementRequest createElementRequest = new CreateElementRequest(domain, owner, type);
ICommand creationElementCommand;
creationElementCommand = new CreateElementCommand(createElementRequest);
if (creationElementCommand.canExecute()) {
creationElementCommand.execute(new NullProgressMonitor(), null);
}
CommandResult commandResult = creationElementCommand.getCommandResult();
if (commandResult != null) {
if (!commandResult.getStatus().isOK()) {
return null;
}
}
// Retrieve the created slot, and update its properties
return commandResult.getReturnValue() instanceof EObject ? (EObject) commandResult.getReturnValue() : null;
}
}
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