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/*
* Copyright (c) 2012 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
*/
package org.eclipse.papyrus.uml.diagram.timing.edit.policies;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.papyrus.infra.extendedtypes.types.IExtendedHintedElementType;
import org.eclipse.papyrus.infra.extendedtypes.util.ElementTypeUtils;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.uml.diagram.timing.edit.commands.MessageFoundCreateCommand;
import org.eclipse.papyrus.uml.diagram.timing.edit.commands.MessageFoundReorientCommand;
import org.eclipse.papyrus.uml.diagram.timing.edit.commands.MessageLostCreateCommand;
import org.eclipse.papyrus.uml.diagram.timing.edit.commands.MessageLostReorientCommand;
import org.eclipse.papyrus.uml.diagram.timing.edit.parts.MessageFoundEditPart;
import org.eclipse.papyrus.uml.diagram.timing.edit.parts.MessageLostEditPart;
import org.eclipse.papyrus.uml.diagram.timing.providers.UMLElementTypes;
/**
* @generated
*/
@SuppressWarnings("all")
// disable warnings on generated code
public class LifelineItemSemanticEditPolicy extends UMLBaseItemSemanticEditPolicy {
/**
* @generated
*/
public LifelineItemSemanticEditPolicy() {
super(UMLElementTypes.Lifeline_40);
}
/**
* @generated
*/
@Override
protected Command getDestroyElementCommand(final DestroyElementRequest req) {
final EObject selectedEObject = req.getElementToDestroy();
final IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
if(provider != null) {
// Retrieve delete command from the Element Edit service
final ICommand deleteCommand = provider.getEditCommand(req);
if(deleteCommand != null) {
return new ICommandProxy(deleteCommand);
}
}
return UnexecutableCommand.INSTANCE;
}
/**
* @generated
*/
@Override
protected Command getCreateRelationshipCommand(final CreateRelationshipRequest req) {
final Command command = req.getTarget() == null ? getStartCreateRelationshipCommand(req) : getCompleteCreateRelationshipCommand(req);
return command != null ? command : super.getCreateRelationshipCommand(req);
}
/**
* @generated
*/
protected Command getStartCreateRelationshipCommand(final CreateRelationshipRequest req) {
final IElementType requestElementType = req.getElementType();
if(requestElementType == null) {
return null;
}
IElementType baseElementType = requestElementType;
boolean isExtendedType = false;
if(requestElementType instanceof IExtendedHintedElementType) {
baseElementType = ElementTypeUtils.getClosestDiagramType(requestElementType);
if(baseElementType != null) {
isExtendedType = true;
} else {
// no reference element type ID. using the closest super element type to give more opportunities, but
// can lead to bugs.
baseElementType = ElementTypeUtils.findClosestNonExtendedElementType((IExtendedHintedElementType)requestElementType);
isExtendedType = true;
}
}
if(UMLElementTypes.Message_50 == baseElementType) {
return null;
}
if(UMLElementTypes.Message_53 == baseElementType) {
if(isExtendedType) {
return getExtendedStartCreateRelationshipCommand(req, (IExtendedHintedElementType)requestElementType);
}
return getGEFWrapper(new MessageFoundCreateCommand(req, req.getSource(), req.getTarget()));
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(final CreateRelationshipRequest req) {
final IElementType requestElementType = req.getElementType();
if(requestElementType == null) {
return null;
}
IElementType baseElementType = requestElementType;
boolean isExtendedType = false;
if(requestElementType instanceof IExtendedHintedElementType) {
baseElementType = ElementTypeUtils.getClosestDiagramType(requestElementType);
if(baseElementType != null) {
isExtendedType = true;
} else {
// no reference element type ID. using the closest super element type to give more opportunities, but
// can lead to bugs.
baseElementType = ElementTypeUtils.findClosestNonExtendedElementType((IExtendedHintedElementType)requestElementType);
isExtendedType = true;
}
}
if(UMLElementTypes.Message_50 == baseElementType) {
if(isExtendedType) {
return getExtendedCompleteCreateRelationshipCommand(req, (IExtendedHintedElementType)requestElementType);
}
return getGEFWrapper(new MessageLostCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Message_53 == baseElementType) {
return null;
}
return null;
}
/**
* Returns command to reorient EClass based link. New link target or source should be the domain model element
* associated with this node.
*
* @generated
*/
@Override
protected Command getReorientRelationshipCommand(final ReorientRelationshipRequest req) {
switch(getVisualID(req)) {
case MessageLostEditPart.VISUAL_ID:
return getGEFWrapper(new MessageLostReorientCommand(req));
case MessageFoundEditPart.VISUAL_ID:
return getGEFWrapper(new MessageFoundReorientCommand(req));
}
return super.getReorientRelationshipCommand(req);
}
}
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