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package org.eclipse.papyrus.uml.diagram.activity.edit.policies;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
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.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
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.papyrus.infra.extendedtypes.types.IExtendedHintedElementType;
import org.eclipse.papyrus.infra.extendedtypes.util.ElementTypeUtils;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ActionLocalPostconditionCreateCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ActionLocalPostconditionReorientCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ActionLocalPreconditionCreateCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ActionLocalPreconditionReorientCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.CommentLinkCreateCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.CommentLinkReorientCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ConstraintConstrainedElementCreateCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ConstraintConstrainedElementReorientCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ControlFlowCreateCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ControlFlowReorientCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ExceptionHandlerCreateCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ExceptionHandlerReorientCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ObjectFlowCreateCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.commands.ObjectFlowReorientCommand;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ActionLocalPostconditionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ActionLocalPreconditionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.CommentLinkEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ConstraintConstrainedElementEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ControlFlowEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ExceptionHandlerEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ObjectFlowEditPart;
import org.eclipse.papyrus.uml.diagram.activity.providers.UMLElementTypes;
import org.eclipse.uml2.uml.UMLPackage;
/**
* @generated
*/
public class ReadExtentActionItemSemanticEditPolicy extends UMLBaseItemSemanticEditPolicy {
/**
* @generated
*/
public ReadExtentActionItemSemanticEditPolicy() {
super(UMLElementTypes.ReadExtentAction_3120);
}
/**
* @generated
*/
protected Command getCreateCommand(CreateElementRequest req) {
IElementType requestElementType = req.getElementType();
if (requestElementType == null) {
return super.getCreateCommand(req);
}
if (UMLElementTypes.OutputPin_3129 == requestElementType) {
// adjust the containment feature
EReference containmentFeature = UMLPackage.eINSTANCE.getReadExtentAction_Result();
req.setContainmentFeature(containmentFeature);
return getGEFWrapper(getSemanticCreationCommand(req));
}
return super.getCreateCommand(req);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
EObject selectedEObject = req.getElementToDestroy();
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
if (provider != null) {
// Retrieve delete command from the Element Edit service
ICommand deleteCommand = provider.getEditCommand(req);
if (deleteCommand != null) {
return new ICommandProxy(deleteCommand);
}
}
return UnexecutableCommand.INSTANCE;
}
/**
* @generated
*/
protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
IElementType requestElementType = req.getElementType();
if (requestElementType == null) {
return null;
}
IElementType baseElementType = requestElementType;
boolean isExtendedType = false;
if (requestElementType instanceof IExtendedHintedElementType) {
baseElementType = ElementTypeUtils.getClosestDiagramType(requestElementType);
if (baseElementType != null) {
isExtendedType = true;
} else {
// no reference element type ID. using the closest super element type to give more opportunities, but can lead to bugs.
baseElementType = ElementTypeUtils.findClosestNonExtendedElementType((IExtendedHintedElementType) requestElementType);
isExtendedType = true;
}
}
if (UMLElementTypes.ActionLocalPrecondition_4001 == baseElementType) {
if (isExtendedType) {
return getExtendedStartCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
return getGEFWrapper(new ActionLocalPreconditionCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ActionLocalPostcondition_4002 == baseElementType) {
if (isExtendedType) {
return getExtendedStartCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
return getGEFWrapper(new ActionLocalPostconditionCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ObjectFlow_4003 == baseElementType) {
if (isExtendedType) {
return getExtendedStartCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
return getGEFWrapper(new ObjectFlowCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ControlFlow_4004 == baseElementType) {
if (isExtendedType) {
return getExtendedStartCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
return getGEFWrapper(new ControlFlowCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ExceptionHandler_4005 == baseElementType) {
if (isExtendedType) {
return getExtendedStartCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
return getGEFWrapper(new ExceptionHandlerCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.CommentAnnotatedElement_4006 == baseElementType) {
return null;
}
if (UMLElementTypes.ConstraintConstrainedElement_4007 == baseElementType) {
return null;
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
IElementType requestElementType = req.getElementType();
if (requestElementType == null) {
return null;
}
IElementType baseElementType = requestElementType;
boolean isExtendedType = false;
if (requestElementType instanceof IExtendedHintedElementType) {
baseElementType = ElementTypeUtils.getClosestDiagramType(requestElementType);
if (baseElementType != null) {
isExtendedType = true;
} else {
// no reference element type ID. using the closest super element type to give more opportunities, but can lead to bugs.
baseElementType = ElementTypeUtils.findClosestNonExtendedElementType((IExtendedHintedElementType) requestElementType);
isExtendedType = true;
}
}
if (UMLElementTypes.ActionLocalPrecondition_4001 == baseElementType) {
return null;
}
if (UMLElementTypes.ActionLocalPostcondition_4002 == baseElementType) {
return null;
}
if (UMLElementTypes.ObjectFlow_4003 == baseElementType) {
if (isExtendedType) {
return getExtendedCompleteCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
return getGEFWrapper(new ObjectFlowCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ControlFlow_4004 == baseElementType) {
if (isExtendedType) {
return getExtendedCompleteCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
return getGEFWrapper(new ControlFlowCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ExceptionHandler_4005 == baseElementType) {
return null;
}
if (UMLElementTypes.CommentAnnotatedElement_4006 == baseElementType) {
if (isExtendedType) {
return getExtendedCompleteCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
return getGEFWrapper(new CommentLinkCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ConstraintConstrainedElement_4007 == baseElementType) {
if (isExtendedType) {
return getExtendedCompleteCreateRelationshipCommand(req, (IExtendedHintedElementType) requestElementType);
}
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
*/
protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) {
switch (getVisualID(req)) {
case ObjectFlowEditPart.VISUAL_ID:
return getGEFWrapper(new ObjectFlowReorientCommand(req));
case ControlFlowEditPart.VISUAL_ID:
return getGEFWrapper(new ControlFlowReorientCommand(req));
case ExceptionHandlerEditPart.VISUAL_ID:
return getGEFWrapper(new ExceptionHandlerReorientCommand(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
*/
protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req) {
switch (getVisualID(req)) {
case ActionLocalPreconditionEditPart.VISUAL_ID:
return getGEFWrapper(new ActionLocalPreconditionReorientCommand(req));
case ActionLocalPostconditionEditPart.VISUAL_ID:
return getGEFWrapper(new ActionLocalPostconditionReorientCommand(req));
case CommentLinkEditPart.VISUAL_ID:
return getGEFWrapper(new CommentLinkReorientCommand(req));
case ConstraintConstrainedElementEditPart.VISUAL_ID:
return getGEFWrapper(new ConstraintConstrainedElementReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}
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