package org.eclipse.uml2.diagram.statemachine.edit.policies;
import java.util.Iterator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gmf.runtime.common.core.command.ICompositeCommand;
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.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.uml2.diagram.statemachine.edit.commands.CommentAnnotatedElementCreateCommand;
import org.eclipse.uml2.diagram.statemachine.edit.commands.CommentAnnotatedElementReorientCommand;
import org.eclipse.uml2.diagram.statemachine.edit.commands.EntryConnectionPointReferenceCreateCommand;
import org.eclipse.uml2.diagram.statemachine.edit.commands.ExitConnectionPointReferenceCreateCommand;
import org.eclipse.uml2.diagram.statemachine.edit.commands.State_RegionCreateCommand;
import org.eclipse.uml2.diagram.statemachine.edit.commands.TransitionCreateCommand;
import org.eclipse.uml2.diagram.statemachine.edit.commands.TransitionReorientCommand;
import org.eclipse.uml2.diagram.statemachine.edit.parts.CommentAnnotatedElementEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.DoActivityEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.EntryActivityEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.EntryConnectionPointReferenceEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.ExitActivityEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.ExitConnectionPointReferenceEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.InternalTransitionEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.State_RegionEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.SubmachineState_InternalActivitiesEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.SubmachineState_InternalTransitionsEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.TransitionEditPart;
import org.eclipse.uml2.diagram.statemachine.part.UMLVisualIDRegistry;
import org.eclipse.uml2.diagram.statemachine.providers.UMLElementTypes;
/**
* @generated
*/
public class SubmachineStateItemSemanticEditPolicy extends UMLBaseItemSemanticEditPolicy {
/**
* @generated
*/
public SubmachineStateItemSemanticEditPolicy() {
super(UMLElementTypes.State_3016);
}
/**
* @generated
*/
protected Command getCreateCommand(CreateElementRequest req) {
if (UMLElementTypes.Region_3002 == req.getElementType()) {
return getGEFWrapper(new State_RegionCreateCommand(req));
}
if (UMLElementTypes.ConnectionPointReference_3017 == req.getElementType()) {
return getGEFWrapper(new EntryConnectionPointReferenceCreateCommand(req));
}
if (UMLElementTypes.ConnectionPointReference_3018 == req.getElementType()) {
return getGEFWrapper(new ExitConnectionPointReferenceCreateCommand(req));
}
return super.getCreateCommand(req);
}
/**
* @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) == TransitionEditPart.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) == TransitionEditPart.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: true
addDestroyChildNodesCommand(cmd);
addDestroyShortcutsCommand(cmd, view);
// delete host element
cmd.add(new DestroyElementCommand(req));
} else {
cmd.add(new DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @generated
*/
private 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 State_RegionEditPart.VISUAL_ID:
for (Iterator<?> it = node.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
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;
}
}
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 EntryConnectionPointReferenceEditPart.VISUAL_ID:
for (Iterator<?> it = node.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (UMLVisualIDRegistry.getVisualID(incomingLink) == TransitionEditPart.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 = node.getSourceEdges().iterator(); it.hasNext();) {
Edge outgoingLink = (Edge) it.next();
if (UMLVisualIDRegistry.getVisualID(outgoingLink) == TransitionEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
}
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 ExitConnectionPointReferenceEditPart.VISUAL_ID:
for (Iterator<?> it = node.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (UMLVisualIDRegistry.getVisualID(incomingLink) == TransitionEditPart.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 = node.getSourceEdges().iterator(); it.hasNext();) {
Edge outgoingLink = (Edge) it.next();
if (UMLVisualIDRegistry.getVisualID(outgoingLink) == TransitionEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
}
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 SubmachineState_InternalActivitiesEditPart.VISUAL_ID:
for (Iterator<?> cit = node.getChildren().iterator(); cit.hasNext();) {
Node cnode = (Node) cit.next();
switch (UMLVisualIDRegistry.getVisualID(cnode)) {
case EntryActivityEditPart.VISUAL_ID:
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
case ExitActivityEditPart.VISUAL_ID:
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
case DoActivityEditPart.VISUAL_ID:
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
}
}
break;
case SubmachineState_InternalTransitionsEditPart.VISUAL_ID:
for (Iterator<?> cit = node.getChildren().iterator(); cit.hasNext();) {
Node cnode = (Node) cit.next();
switch (UMLVisualIDRegistry.getVisualID(cnode)) {
case InternalTransitionEditPart.VISUAL_ID:
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: false
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
}
}
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) {
if (UMLElementTypes.Transition_4001 == req.getElementType()) {
return getGEFWrapper(new TransitionCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.CommentAnnotatedElement_4002 == req.getElementType()) {
return null;
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if (UMLElementTypes.Transition_4001 == req.getElementType()) {
return getGEFWrapper(new TransitionCreateCommand(req, req.getSource(), req.getTarget()));
}
if (UMLElementTypes.CommentAnnotatedElement_4002 == 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 TransitionEditPart.VISUAL_ID:
return getGEFWrapper(new TransitionReorientCommand(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 CommentAnnotatedElementEditPart.VISUAL_ID:
return getGEFWrapper(new CommentAnnotatedElementReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}