/*****************************************************************************
* Copyright (c) 2010-2011 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:
* Yann Tanguy (CEA LIST) yann.tanguy@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.composite.custom.edit.policies;
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.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.uml.diagram.composite.custom.edit.command.ConnectorCreateCommand;
import org.eclipse.papyrus.uml.diagram.composite.edit.commands.RoleBindingCreateCommand;
import org.eclipse.papyrus.uml.diagram.composite.edit.parts.ConnectorEditPart;
import org.eclipse.papyrus.uml.diagram.composite.providers.UMLElementTypes;
import org.eclipse.papyrus.uml.service.types.utils.RequestParameterConstants;
/**
* <pre>
* This class provides a custom edit policy used to replace the SEMANTIC_ROLE
* generated for the Parameter element (when used in CompositeStructure Diagram)
* </pre>
*/
public class ParameterItemSemanticEditPolicy extends org.eclipse.papyrus.uml.diagram.composite.edit.policies.ParameterItemSemanticEditPolicy {
/**
* <pre>
* Calls a custom creation command to allow the creation of a Connector connected to a Parameter
* on its source end.
*
* {@inheritDoc}
* </pre>
*/
@Override
protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
if(UMLElementTypes.Connector_4013 == req.getElementType()) {
return getGEFWrapper(new ConnectorCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Dependency_4017 == req.getElementType()) {
return getGEFWrapper(new RoleBindingCreateCommand(req, req.getSource(), req.getTarget()));
}
return super.getStartCreateRelationshipCommand(req);
}
/**
* <pre>
* Calls a custom creation command to allow the creation of a Connector connected to a Parameter
* on its target end.
*
* {@inheritDoc}
* </pre>
*/
@Override
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if(UMLElementTypes.Connector_4013 == req.getElementType()) {
return getGEFWrapper(new ConnectorCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Dependency_4017 == req.getElementType()) {
return getGEFWrapper(new RoleBindingCreateCommand(req, req.getSource(), req.getTarget()));
}
return super.getCompleteCreateRelationshipCommand(req);
}
@Override
protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) {
switch(getVisualID(req)) {
case ConnectorEditPart.VISUAL_ID:
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(req.getRelationship());
if(provider == null) {
return UnexecutableCommand.INSTANCE;
}
// Add graphical new end View in request parameters
View targetView = (View)getHost().getModel();
req.setParameter(RequestParameterConstants.EDGE_REORIENT_REQUEST_END_VIEW, targetView);
// Retrieve re-orient command from the Element Edit service
ICommand reorientCommand = provider.getEditCommand(req);
if(reorientCommand == null) {
return UnexecutableCommand.INSTANCE;
}
return getGEFWrapper(reorientCommand.reduce());
}
return super.getReorientRelationshipCommand(req);
}
}