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/**
* Copyright (c) 2014 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
*
* Contributors:
* CEA LIST - Initial API and implementation
*/
package org.eclipse.papyrus.uml.diagram.communication.edit.policies;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.DeleteCommand;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
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.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.emf.gmf.command.EMFtoGMFCommandWrapper;
import org.eclipse.papyrus.uml.diagram.communication.edit.commands.CommentAnnotatedElementCreateCommand;
import org.eclipse.papyrus.uml.diagram.communication.edit.commands.CommentAnnotatedElementReorientCommand;
import org.eclipse.papyrus.uml.diagram.communication.edit.commands.ConstraintConstrainedElementCreateCommand;
import org.eclipse.papyrus.uml.diagram.communication.edit.commands.ConstraintConstrainedElementReorientCommand;
import org.eclipse.papyrus.uml.diagram.communication.edit.commands.MessageCreateCommand;
import org.eclipse.papyrus.uml.diagram.communication.edit.commands.MessageReorientCommand;
import org.eclipse.papyrus.uml.diagram.communication.edit.parts.CommentAnnotatedElementEditPart;
import org.eclipse.papyrus.uml.diagram.communication.edit.parts.ConstraintConstrainedElementEditPart;
import org.eclipse.papyrus.uml.diagram.communication.edit.parts.MessageEditPart;
import org.eclipse.papyrus.uml.diagram.communication.providers.UMLElementTypes;
/**
* @generated
*/
public class CommentItemSemanticEditPolicyCN extends UMLBaseItemSemanticEditPolicy {
/**
* @generated
*/
public CommentItemSemanticEditPolicyCN() {
super(UMLElementTypes.Comment_Shape);
}
/**
* @generated
*/
@Override
protected Command getDestroyElementCommand(DestroyElementRequest req) {
View view = (View) getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
cmd.setTransactionNestingEnabled(true);
EAnnotation annotation = view.getEAnnotation("Shortcut");//$NON-NLS-1$
if (annotation == null) {
// there are indirectly referenced children, need extra commands: false
addDestroyShortcutsCommand(cmd, view);
// delete host element
List<EObject> todestroy = new ArrayList<EObject>();
todestroy.add(req.getElementToDestroy());
// cmd.add(new org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand(req));
cmd.add(new EMFtoGMFCommandWrapper(new DeleteCommand(getEditingDomain(), todestroy)));
} else {
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @generated
*/
@Override
protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) {
Command command = req.getTarget() == null ? getStartCreateRelationshipCommand(req) : getCompleteCreateRelationshipCommand(req);
return command != null ? command : super.getCreateRelationshipCommand(req);
}
/**
* @generated
*/
protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
IElementType requestElementType = req.getElementType();
if (requestElementType == null) {
return null;
}
IElementType baseElementType = requestElementType;
if (UMLElementTypes.Path_Edge == baseElementType) {
return getGEFWrapper(new MessageCreateCommand(req,
req.getSource(), req.getTarget()));
}
if (UMLElementTypes.Comment_AnnotatedElementEdge == baseElementType) {
return getGEFWrapper(new CommentAnnotatedElementCreateCommand(req,
req.getSource(), req.getTarget()));
}
if (UMLElementTypes.Constraint_ConstrainedElementEdge == baseElementType) {
return null;
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
IElementType requestElementType = req.getElementType();
if (requestElementType == null) {
return null;
}
IElementType baseElementType = requestElementType;
if (UMLElementTypes.Path_Edge == baseElementType) {
return getGEFWrapper(new MessageCreateCommand(req,
req.getSource(), req.getTarget()));
}
if (UMLElementTypes.Comment_AnnotatedElementEdge == baseElementType) {
return getGEFWrapper(new CommentAnnotatedElementCreateCommand(req,
req.getSource(), req.getTarget()));
}
if (UMLElementTypes.Constraint_ConstrainedElementEdge == baseElementType) {
return getGEFWrapper(new ConstraintConstrainedElementCreateCommand(req,
req.getSource(), req.getTarget()));
}
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(ReorientRelationshipRequest req) {
switch (getVisualID(req)) {
case MessageEditPart.VISUAL_ID:
return getGEFWrapper(new MessageReorientCommand(req));
}
return super.getReorientRelationshipCommand(req);
}
/**
* Returns command to reorient EReference based link. New link target or source
* should be the domain model element associated with this node.
*
* @generated
*/
@Override
protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req) {
switch (getVisualID(req)) {
case CommentAnnotatedElementEditPart.VISUAL_ID:
return getGEFWrapper(new CommentAnnotatedElementReorientCommand(req));
case ConstraintConstrainedElementEditPart.VISUAL_ID:
return getGEFWrapper(new ConstraintConstrainedElementReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}
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