/// <summary>
/// Gets the list of selected graph element models. If not done yet, this
/// function resolves the list of models from a list of GUID, using the graph.
/// </summary>
/// <param name="graph">The graph containing the selected models.</param>
/// <returns>A list of selected graph element models.</returns>
public IReadOnlyList <IGraphElementModel> GetSelection(IGraphModel graph)
{
if (m_SelectedModels == null)
{
if (graph == null)
{
return(new List <IGraphElementModel>());
}
m_SelectedModels = new List <IGraphElementModel>();
foreach (var guid in m_Selection)
{
if (graph.TryGetModelFromGuid(new SerializableGUID(guid), out var model))
{
Debug.Assert(model != null);
m_SelectedModels.Add(model);
}
}
}
return(m_SelectedModels);
}
