diff options
Diffstat (limited to 'plugins/uml/org.eclipse.papyrus.uml.service.types/src/org/eclipse/papyrus/uml/service/types/helper/advice/ContainmentLinkDestroyEditHelperAdvice.java')
| -rw-r--r-- | plugins/uml/org.eclipse.papyrus.uml.service.types/src/org/eclipse/papyrus/uml/service/types/helper/advice/ContainmentLinkDestroyEditHelperAdvice.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/plugins/uml/org.eclipse.papyrus.uml.service.types/src/org/eclipse/papyrus/uml/service/types/helper/advice/ContainmentLinkDestroyEditHelperAdvice.java b/plugins/uml/org.eclipse.papyrus.uml.service.types/src/org/eclipse/papyrus/uml/service/types/helper/advice/ContainmentLinkDestroyEditHelperAdvice.java new file mode 100644 index 00000000000..87f658de35e --- /dev/null +++ b/plugins/uml/org.eclipse.papyrus.uml.service.types/src/org/eclipse/papyrus/uml/service/types/helper/advice/ContainmentLinkDestroyEditHelperAdvice.java @@ -0,0 +1,156 @@ +/***************************************************************************** + * Copyright (c) 2021 CEA LIST and others. + * + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License 2.0 + * which accompanies this distribution, and is available at + * https://www.eclipse.org/legal/epl-2.0/ + * + * SPDX-License-Identifier: EPL-2.0 + * + * Contributors: + * Pauline DEVILLE (CEA LIST) - pauline.deville@cea.fr - Initial API and implementation + *****************************************************************************/ + +package org.eclipse.papyrus.uml.service.types.helper.advice; + +import java.util.Collections; +import java.util.List; +import java.util.Map; + +import org.eclipse.emf.ecore.EObject; +import org.eclipse.emf.ecore.EReference; +import org.eclipse.gmf.runtime.common.core.command.ICommand; +import org.eclipse.gmf.runtime.emf.type.core.IClientContext; +import org.eclipse.gmf.runtime.emf.type.core.IElementType; +import org.eclipse.gmf.runtime.emf.type.core.IHintedType; +import org.eclipse.gmf.runtime.emf.type.core.commands.MoveElementsCommand; +import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest; +import org.eclipse.gmf.runtime.emf.type.core.requests.MoveRequest; +import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest; +import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRequest; +import org.eclipse.gmf.runtime.notation.Connector; +import org.eclipse.gmf.runtime.notation.View; +import org.eclipse.papyrus.infra.core.services.ServiceException; +import org.eclipse.papyrus.infra.services.edit.context.TypeContext; +import org.eclipse.papyrus.infra.services.edit.utils.RequestParameterConstants; +import org.eclipse.papyrus.infra.types.core.utils.ElementTypeRegistryUtils; +import org.eclipse.papyrus.uml.service.types.Activator; +import org.eclipse.papyrus.uml.service.types.element.UMLDIElementTypes; +import org.eclipse.papyrus.uml.service.types.element.UMLElementTypes; +import org.eclipse.papyrus.uml.service.types.utils.ElementUtil; +import org.eclipse.uml2.uml.UMLPackage; + +/** + * This helper provides the command to remove and reorient a ContainmentLink + * + * @since 5.2 + */ +public class ContainmentLinkDestroyEditHelperAdvice extends AbstractReferenceDeleteRelationshipEditHelperAdvice { + + /** + * @see org.eclipse.papyrus.uml.service.types.helper.advice.AbstractReferenceDeleteRelationshipEditHelperAdvice#checkSourceEdgeToFindConnectorToDestroy() + * + * @return + */ + @Override + protected boolean checkSourceEdgeToFindConnectorToDestroy() { + return true; + } + + /** + * @see org.eclipse.papyrus.uml.service.types.helper.advice.AbstractReferenceDeleteRelationshipEditHelperAdvice#checkTargetEdgeToFindConnectorToDestroy() + * + * @return + */ + @Override + protected boolean checkTargetEdgeToFindConnectorToDestroy() { + return false; + } + + /** + * @see org.eclipse.papyrus.uml.service.types.helper.advice.AbstractReferenceDeleteRelationshipEditHelperAdvice#getFeatureElementTypeToEReferenceMap() + * + * @return + */ + @Override + protected Map<String, EReference> getFeatureElementTypeToEReferenceMap() { + return Collections.singletonMap(UMLElementTypes.ELEMENT_OWNEDELEMENT.getId(), UMLPackage.eINSTANCE.getElement_OwnedElement()); + } + + /** + * @see org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelperAdvice#getAfterDestroyReferenceCommand(org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest) + * + * @param request + * @return + */ + @Override + protected ICommand getAfterDestroyReferenceCommand(DestroyReferenceRequest request) { + Object affectedView = request.getParameter(RequestParameterConstants.AFFECTED_VIEW); + if (affectedView instanceof Connector && isViewElementTypeTypeOf((View) affectedView, UMLDIElementTypes.ELEMENT_CONTAINMENT_EDGE)) { + return getReparentCommand(request.getReferencedObject(), (Connector) affectedView); + } + + return super.getAfterDestroyReferenceCommand(request); + } + + /** + * @see org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelperAdvice#getAfterReorientReferenceRelationshipCommand(org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest) + * + * @param request + * @return + */ + @Override + protected ICommand getAfterReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest request) { + Object graphicalEdge = request.getParameter(RequestParameterConstants.GRAPHICAL_RECONNECTED_EDGE); + if (graphicalEdge instanceof Connector && isViewElementTypeTypeOf((View) graphicalEdge, UMLDIElementTypes.ELEMENT_CONTAINMENT_EDGE)) { + if (ReorientRequest.REORIENT_TARGET == request.getDirection()) { + return getReparentCommand(request.getOldRelationshipEnd(), (Connector) graphicalEdge); + } + } + return super.getAfterReorientReferenceRelationshipCommand(request); + } + + /** + * This method create the command to reparent the element to the graphical container of the containmentLink target + * + * @param elementToReparent + * the lement to reparent + * @param containmentLink + * the containmentLink used to determine the new container + * @return the command to reparent the element + */ + private ICommand getReparentCommand(EObject elementToReparent, Connector containmentLink) { + EObject targetContainer = containmentLink.getTarget().eContainer(); + if (targetContainer instanceof View) { + EObject newContainer = ((View) targetContainer).getElement(); + MoveRequest moveRequest = new MoveRequest(newContainer, elementToReparent); + MoveElementsCommand command = new MoveElementsCommand(moveRequest); + return command; + } + return null; + } + + /** + * This method check if one elementType of the given view correspond to the expectedType + * + * @param view + * @param expectedType + * @return true if one elementType of the given view correspond to the expectedType, false otherwise + */ + private boolean isViewElementTypeTypeOf(View view, IHintedType expectedType) { + boolean isTypeOf = false; + IClientContext context; + try { + context = TypeContext.getContext(view); + List<IElementType> elementTypes = ElementTypeRegistryUtils.getElementTypesBySemanticHint(view.getType(), context.getId()); + for (IElementType iElementType : elementTypes) { + isTypeOf |= ElementUtil.isTypeOf(iElementType, expectedType); + } + } catch (ServiceException e) { + Activator.log.error(e); + } + return isTypeOf; + } + +} |