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/*****************************************************************************
* Copyright (c) 2018 CEA LIST, EclipseSource 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:
* EclipseSource - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
import java.util.Map;
import org.eclipse.draw2d.Connection;
import org.eclipse.draw2d.PolylineConnection;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.requests.CreateConnectionRequest;
import org.eclipse.gef.requests.ReconnectRequest;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewAndElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.uml.diagram.sequence.figures.DurationLinkFigure;
import org.eclipse.papyrus.uml.diagram.sequence.util.DurationLinkUtil;
import org.eclipse.papyrus.uml.diagram.sequence.util.GeneralOrderingUtil;
import org.eclipse.papyrus.uml.diagram.sequence.util.OccurrenceSpecificationUtil;
import org.eclipse.papyrus.uml.service.types.utils.SequenceRequestConstant;
import org.eclipse.uml2.uml.Message;
import org.eclipse.uml2.uml.MessageEnd;
import org.eclipse.uml2.uml.OccurrenceSpecification;
public class MessageGraphicalNodeEditPolicy extends GraphicalNodeEditPolicy {
// Source (First half of the request)
@Override
protected Command getConnectionCreateCommand(CreateConnectionRequest request) {
if (DurationLinkUtil.isCreateDurationLink(request) || GeneralOrderingUtil.isCreateGeneralOrderingLink(request)) {
CreateRelationshipRequest createRequest = OccurrenceSpecificationUtil.getCreateRelationshipRequest(request);
if (createRequest != null) {
MessageEnd sourceOccurrence;
Message message = getMessage();
if (message != null) {
sourceOccurrence = OccurrenceSpecificationUtil.isSource(getHostFigure(), request.getLocation()) ? message.getSendEvent() : message.getReceiveEvent();
if (sourceOccurrence instanceof OccurrenceSpecification) {
@SuppressWarnings("unchecked")
Map<Object, Object> extendedData = request.getExtendedData();
extendedData.put(SequenceRequestConstant.SOURCE_OCCURRENCE, sourceOccurrence);
createRequest.setParameter(SequenceRequestConstant.SOURCE_OCCURRENCE, sourceOccurrence);
}
}
}
}
return super.getConnectionCreateCommand(request);
}
// Target (Second half of the request)
@Override
protected Command getConnectionAndRelationshipCompleteCommand(CreateConnectionViewAndElementRequest request) {
if (DurationLinkUtil.isCreateDurationLink(request) || GeneralOrderingUtil.isCreateGeneralOrderingLink(request)) {
CreateRelationshipRequest createRequest = OccurrenceSpecificationUtil.getCreateRelationshipRequest(request);
if (createRequest != null) {
MessageEnd targetOccurrence;
Message message = getMessage();
if (message != null) {
targetOccurrence = OccurrenceSpecificationUtil.isSource(getHostFigure(), request.getLocation()) ? message.getSendEvent() : message.getReceiveEvent();
if (targetOccurrence instanceof OccurrenceSpecification) {
@SuppressWarnings("unchecked")
Map<Object, Object> extendedData = request.getExtendedData();
extendedData.put(SequenceRequestConstant.TARGET_OCCURRENCE, targetOccurrence);
createRequest.setParameter(SequenceRequestConstant.TARGET_OCCURRENCE, targetOccurrence);
}
}
}
}
return super.getConnectionAndRelationshipCompleteCommand(request);
}
@Override
protected Command getReconnectSourceCommand(ReconnectRequest request) {
// if (DurationLinkUtil.isDurationLink(request)) {
// // Bug 536639: Forbid reconnect on Duration edit parts
// return UnexecutableCommand.INSTANCE;
// }
return super.getReconnectSourceCommand(request);
}
@Override
protected Command getReconnectTargetCommand(ReconnectRequest request) {
// if (DurationLinkUtil.isDurationLink(request)) {
// // Bug 536639: Forbid reconnect on Duration edit parts
// return UnexecutableCommand.INSTANCE;
// }
return super.getReconnectTargetCommand(request);
}
private Message getMessage() {
EObject model = EMFHelper.getEObject(getHost());
return model instanceof Message ? (Message) model : null;
}
@Override
protected Connection createDummyConnection(Request req) {
if (req instanceof CreateConnectionRequest && DurationLinkUtil.isCreateDurationLink((CreateConnectionRequest) req)) {
return new DurationLinkFigure();
}
return new PolylineConnection();
}
}
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