public static void Select(this IGraphPresentation presentation, Node node, SiblingsType role)
{
var selection = presentation.GetPropertySetFor <Selection>();
foreach (var e in GetEdges(node, role).Where(presentation.Picking.Pick))
{
selection.Get(e.Id).IsSelected = true;
selection.Get(e.Source.Id).IsSelected = true;
selection.Get(e.Target.Id).IsSelected = true;
}
}
private static IEnumerable <Edge> GetEdges(Node node, SiblingsType type)
{
if (type == SiblingsType.Sources || type == SiblingsType.Any)
{
foreach (var e in node.In)
{
yield return(e);
}
}
if (type == SiblingsType.Targets || type == SiblingsType.Any)
{
foreach (var e in node.Out)
{
yield return(e);
}
}
}
