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/*****************************************************************************
* Copyright (c) 2009 - 2010 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 java.util.Iterator;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gef.requests.ChangeBoundsRequest;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.GroupEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.LabelEditPart;
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.l10n.DiagramUIMessages;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateUnspecifiedTypeRequest;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.composite.edit.parts.BehaviorPortEditPart;
import org.eclipse.papyrus.uml.diagram.composite.providers.UMLElementTypes;
/**
* This class provide customization of the CreationEditPolicy to support the case where
* a Port or Parameter is created in a Compartment. In such a case the Port (Parameter) should be added to the compartment owner.
*
*/
public class PortInCompartmentCreationEditPolicy 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) && (((IElementType)(elementTypes.get(0)) == UMLElementTypes.Port_3069) || ((IElementType)(elementTypes.get(0)) == UMLElementTypes.Parameter_3088))) {
// If the target is a compartment replace by its parent edit part
if((getHost() instanceof ShapeCompartmentEditPart)) {
return getHost().getParent();
}
}
}
}
return super.getTargetEditPart(request);
}
protected Command getReparentCommand(ChangeBoundsRequest request) {
Iterator editParts = request.getEditParts().iterator();
View container = (View)getHost().getAdapter(View.class);
EObject context = container == null ? null : ViewUtil.resolveSemanticElement(container);
while ( editParts.hasNext() ) {
EditPart ep = (EditPart)editParts.next();
if ( ep instanceof BehaviorPortEditPart ) {
return UnexecutableCommand.INSTANCE;
}
}
return super.getReparentCommand(request);
}
}
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