package org.eclipse.papyrus.uml.diagram.activity.edit.policies;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.DeleteCommand;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.common.core.command.ICompositeCommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyReferenceCommand;
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.DestroyReferenceRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.commands.wrappers.EMFtoGMFCommandWrapper;
import org.eclipse.papyrus.infra.extendedtypes.types.IExtendedHintedElementType;
import org.eclipse.papyrus.infra.extendedtypes.util.ElementTypeUtils;
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.InputPinInReadStructuralFeatureAsObjectCreateCommand;
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.commands.OutputPinInReadStructuralFeatureAsResultCreateCommand;
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.InputPinInReadStructuralFeatureAsObjectEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ObjectFlowEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.OutputPinInReadStructuralFeatureAsResultEditPart;
import org.eclipse.papyrus.uml.diagram.activity.part.UMLVisualIDRegistry;
import org.eclipse.papyrus.uml.diagram.activity.providers.UMLElementTypes;
/**
* @generated
*/
public class ReadStructuralFeatureActionItemSemanticEditPolicy extends UMLBaseItemSemanticEditPolicy {
/**
* @generated
*/
public ReadStructuralFeatureActionItemSemanticEditPolicy() {
super(UMLElementTypes.ReadStructuralFeatureAction_3088);
}
/**
* @generated
*/
protected Command getCreateCommand(CreateElementRequest req) {
IElementType requestElementType = req.getElementType();
if(requestElementType == null) {
return super.getCreateCommand(req);
}
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.InputPin_3089 == baseElementType) {
if(isExtendedType) {
return getExtendedTypeCreationCommand(req, (IExtendedHintedElementType)requestElementType);
}
return getGEFWrapper(new InputPinInReadStructuralFeatureAsObjectCreateCommand(req));
}
if(UMLElementTypes.OutputPin_3090 == baseElementType) {
if(isExtendedType) {
return getExtendedTypeCreationCommand(req, (IExtendedHintedElementType)requestElementType);
}
return getGEFWrapper(new OutputPinInReadStructuralFeatureAsResultCreateCommand(req));
}
return super.getCreateCommand(req);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
View view = (View)getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
cmd.setTransactionNestingEnabled(true);
EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
if(annotation == null) {
// there are indirectly referenced children, need extra commands: false
addDestroyChildNodesCommand(cmd);
addDestroyShortcutsCommand(cmd, view);
// delete host element
List<EObject> todestroy = new ArrayList<EObject>();
todestroy.add(req.getElementToDestroy());
//cmd.add(new org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand(req));
cmd.add(new EMFtoGMFCommandWrapper(new DeleteCommand(getEditingDomain(), todestroy)));
} else {
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @generated
*/
protected void addDestroyChildNodesCommand(ICompositeCommand cmd) {
View view = (View)getHost().getModel();
for(Iterator<?> nit = view.getChildren().iterator(); nit.hasNext();) {
Node node = (Node)nit.next();
switch(UMLVisualIDRegistry.getVisualID(node)) {
case InputPinInReadStructuralFeatureAsObjectEditPart.VISUAL_ID:
for(Iterator<?> it = node.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge)it.next();
switch(UMLVisualIDRegistry.getVisualID(incomingLink)) {
case CommentLinkEditPart.VISUAL_ID:
case ConstraintConstrainedElementEditPart.VISUAL_ID:
DestroyReferenceRequest destroyRefReq = new DestroyReferenceRequest(incomingLink.getSource().getElement(), null, incomingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(destroyRefReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), incomingLink));
break;
case ObjectFlowEditPart.VISUAL_ID:
case ControlFlowEditPart.VISUAL_ID:
case ExceptionHandlerEditPart.VISUAL_ID:
DestroyElementRequest destroyEltReq = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(destroyEltReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), incomingLink));
break;
}
}
for(Iterator<?> it = node.getSourceEdges().iterator(); it.hasNext();) {
Edge outgoingLink = (Edge)it.next();
switch(UMLVisualIDRegistry.getVisualID(outgoingLink)) {
case ObjectFlowEditPart.VISUAL_ID:
case ControlFlowEditPart.VISUAL_ID:
DestroyElementRequest destroyEltReq = new DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(destroyEltReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), outgoingLink));
break;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), node.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of node as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), node));
break;
case OutputPinInReadStructuralFeatureAsResultEditPart.VISUAL_ID:
for(Iterator<?> it = node.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge)it.next();
switch(UMLVisualIDRegistry.getVisualID(incomingLink)) {
case CommentLinkEditPart.VISUAL_ID:
case ConstraintConstrainedElementEditPart.VISUAL_ID:
DestroyReferenceRequest destroyRefReq = new DestroyReferenceRequest(incomingLink.getSource().getElement(), null, incomingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(destroyRefReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), incomingLink));
break;
case ObjectFlowEditPart.VISUAL_ID:
case ControlFlowEditPart.VISUAL_ID:
case ExceptionHandlerEditPart.VISUAL_ID:
DestroyElementRequest destroyEltReq = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(destroyEltReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), incomingLink));
break;
}
}
for(Iterator<?> it = node.getSourceEdges().iterator(); it.hasNext();) {
Edge outgoingLink = (Edge)it.next();
switch(UMLVisualIDRegistry.getVisualID(outgoingLink)) {
case ObjectFlowEditPart.VISUAL_ID:
case ControlFlowEditPart.VISUAL_ID:
DestroyElementRequest destroyEltReq = new DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(destroyEltReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), outgoingLink));
break;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), node.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of node as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), node));
break;
}
}
}
/**
* @generated
*/
protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) {
Command command = req.getTarget() == null ? getStartCreateRelationshipCommand(req) : getCompleteCreateRelationshipCommand(req);
return command != null ? command : super.getCreateRelationshipCommand(req);
}
/**
* @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);
}
}