/*****************************************************************************
* Copyright (c) 2011 Atos Origin.
*
*
* 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:
* Atos Origin - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.edit.policies;
import java.util.Collection;
import java.util.List;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
import org.eclipse.gmf.runtime.diagram.ui.editparts.ShapeCompartmentEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateUnspecifiedTypeRequest;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
/**
* Aim to redirect pin and edge creation to parent element
* WARNING : NOT WORKING FOR NOW
*/
public abstract class PinAndEdgeCreationInCompartmentEditPolicy extends CreationEditPolicy {
@Override
public EditPart getTargetEditPart(Request request) {
if(request instanceof CreateUnspecifiedTypeRequest) {
CreateUnspecifiedTypeRequest createUnspecifiedTypeRequest = (CreateUnspecifiedTypeRequest)request;
if(understandsRequest(request)) {
List<?> elementTypes = createUnspecifiedTypeRequest.getElementTypes();
// Treat the case where only one element type is listed
// Only take Port or Parameter element type into account
if((elementTypes.size() == 1) && getElementHandleByParent().contains(((IElementType)(elementTypes.get(0))))) {
// If the target is a compartment replace by its parent edit part
if((getHost() instanceof ShapeCompartmentEditPart)) {
return getHost().getParent();
}
}
}
}
return super.getTargetEditPart(request);
}
protected abstract Collection<IElementType> getElementHandleByParent();
}