package org.eclipse.uml2.diagram.activity.edit.policies;
import java.util.Iterator;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
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.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.View;
import org.eclipse.uml2.diagram.activity.edit.commands.ActionLocalPostconditionCreateCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ActionLocalPostconditionReorientCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ActionLocalPreconditionCreateCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ActionLocalPreconditionReorientCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.CommentAnnotatedElementCreateCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.CommentAnnotatedElementReorientCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ControlFlowCreateCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ControlFlowReorientCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ExceptionHandlerCreateCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ExceptionHandlerReorientCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ObjectFlowCreateCommand;
import org.eclipse.uml2.diagram.activity.edit.commands.ObjectFlowReorientCommand;
import org.eclipse.uml2.diagram.activity.edit.parts.ActionLocalPostconditionEditPart;
import org.eclipse.uml2.diagram.activity.edit.parts.ActionLocalPreconditionEditPart;
import org.eclipse.uml2.diagram.activity.edit.parts.CommentAnnotatedElementEditPart;
import org.eclipse.uml2.diagram.activity.edit.parts.ControlFlowEditPart;
import org.eclipse.uml2.diagram.activity.edit.parts.ExceptionHandlerEditPart;
import org.eclipse.uml2.diagram.activity.edit.parts.ObjectFlowEditPart;
import org.eclipse.uml2.diagram.activity.part.UMLVisualIDRegistry;
import org.eclipse.uml2.diagram.activity.providers.UMLElementTypes;
/**
* @generated
*/
public class AcceptEventActionItemSemanticEditPolicy extends UMLBaseItemSemanticEditPolicy {
/**
* @generated
*/
public AcceptEventActionItemSemanticEditPolicy() {
super(UMLElementTypes.AcceptEventAction_3030);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
View view = (View) getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
cmd.setTransactionNestingEnabled(false);
for (Iterator<?> it = view.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (UMLVisualIDRegistry.getVisualID(incomingLink) == ControlFlowEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
if (UMLVisualIDRegistry.getVisualID(incomingLink) == ObjectFlowEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
if (UMLVisualIDRegistry.getVisualID(incomingLink) == ExceptionHandlerEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
if (UMLVisualIDRegistry.getVisualID(incomingLink) == CommentAnnotatedElementEditPart.VISUAL_ID) {
DestroyReferenceRequest r = new DestroyReferenceRequest(incomingLink.getSource().getElement(), null, incomingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
for (Iterator<?> it = view.getSourceEdges().iterator(); it.hasNext();) {
Edge outgoingLink = (Edge) it.next();
if (UMLVisualIDRegistry.getVisualID(outgoingLink) == ControlFlowEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
if (UMLVisualIDRegistry.getVisualID(outgoingLink) == ObjectFlowEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
if (UMLVisualIDRegistry.getVisualID(outgoingLink) == ActionLocalPreconditionEditPart.VISUAL_ID) {
DestroyReferenceRequest r = new DestroyReferenceRequest(outgoingLink.getSource().getElement(), null, outgoingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(r) {
protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
EObject referencedObject = getReferencedObject();
Resource resource = referencedObject.eResource();
CommandResult result = super.doExecuteWithResult(progressMonitor, info);
if (resource != null) {
resource.getContents().add(referencedObject);
}
return result;
}
});
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
if (UMLVisualIDRegistry.getVisualID(outgoingLink) == ActionLocalPostconditionEditPart.VISUAL_ID) {
DestroyReferenceRequest r = new DestroyReferenceRequest(outgoingLink.getSource().getElement(), null, outgoingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(r) {
protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
EObject referencedObject = getReferencedObject();
Resource resource = referencedObject.eResource();
CommandResult result = super.doExecuteWithResult(progressMonitor, info);
if (resource != null) {
resource.getContents().add(referencedObject);
}
return result;
}
});
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
if (UMLVisualIDRegistry.getVisualID(outgoingLink) == ExceptionHandlerEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
}
EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
if (annotation == null) {
// there are indirectly referenced children, need extra commands: false
addDestroyShortcutsCommand(cmd, view);
// delete host element
cmd.add(new DestroyElementCommand(req));
} else {
cmd.add(new DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @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) {
if (UMLElementTypes.ControlFlow_4001 == req.getElementType()) {
return getGEFWrapper(new ControlFlowCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ObjectFlow_4002 == req.getElementType()) {
return getGEFWrapper(new ObjectFlowCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ActionLocalPrecondition_4003 == req.getElementType()) {
return getGEFWrapper(new ActionLocalPreconditionCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ActionLocalPostcondition_4006 == req.getElementType()) {
return getGEFWrapper(new ActionLocalPostconditionCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ExceptionHandler_4005 == req.getElementType()) {
return getGEFWrapper(new ExceptionHandlerCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.CommentAnnotatedElement_4007 == req.getElementType()) {
return null;
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if (UMLElementTypes.ControlFlow_4001 == req.getElementType()) {
return getGEFWrapper(new ControlFlowCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ObjectFlow_4002 == req.getElementType()) {
return getGEFWrapper(new ObjectFlowCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.ActionLocalPrecondition_4003 == req.getElementType()) {
return null;
}
if (UMLElementTypes.ActionLocalPostcondition_4006 == req.getElementType()) {
return null;
}
if (UMLElementTypes.ExceptionHandler_4005 == req.getElementType()) {
return getGEFWrapper(new ExceptionHandlerCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.CommentAnnotatedElement_4007 == req.getElementType()) {
return getGEFWrapper(new CommentAnnotatedElementCreateCommand(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 ControlFlowEditPart.VISUAL_ID:
return getGEFWrapper(new ControlFlowReorientCommand(req));
case ObjectFlowEditPart.VISUAL_ID:
return getGEFWrapper(new ObjectFlowReorientCommand(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 CommentAnnotatedElementEditPart.VISUAL_ID:
return getGEFWrapper(new CommentAnnotatedElementReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}