private GoNode AddShape([NotNull] IShape shape)
{
GoNode result = null;
GraphGroup parent = null;
if (shape.Identity is IGroupElement child)
{
_groups.TryGetValue(child.ParentId, out parent);
}
if (shape is IEntityShape entityShape)
{
var node = new GraphEntity(entityShape, _dpiState);
if (_actions != null)
{
node.SetContextAwareActions(_actions);
}
node.SelectedShape += OnSelectedShape;
node.SelectedThreatEvent += OnSelectedThreatEvent;
node.OpenDiagram += OnOpenDiagram;
if (parent == null)
{
_graph.Doc.Add(node);
}
else
{
parent.Add(node);
}
_entities.Add(shape.AssociatedId, node);
node.Validate();
result = node;
}
else if (shape is IGroupShape groupShape)
{
var group = new GraphGroup(groupShape, _dpiState);
if (_actions != null)
{
group.SetContextAwareActions(_actions);
}
group.SelectedShape += OnSelectedShape;
if (parent == null)
{
_graph.Doc.Add(group);
}
else
{
parent.Add(group);
}
_groups.Add(shape.AssociatedId, group);
group.Validate();
result = group;
}
if (shape.Identity is IThreatEventsContainer container)
{
container.ThreatEventAdded += OnThreatEventAddedToShape;
container.ThreatEventRemoved += OnThreatEventRemovedFromShape;
}
return(result);
}
private void Validate(GraphEntity graphEntity)
{
graphEntity?.Validate();
}