public ViewModel(Op <T> root)
{
var colors = CreateColorPalette(20);
var set = new HashSet <Op <T> >();
var visitor = new OpVisitor <T>(op =>
{
if (!set.Contains(op))
{
set.Add(op);
}
});
root.Accept(visitor);
var graph = new BidirectionalGraph <object, IEdge <object> >(); // new OpGraph();
var dico = new Dictionary <Op <T>, OpVertex>();
foreach (var op in set)
{
var colIndex = op.GetType().GetHashCode() % colors.Count;
var opVertex = new OpVertex
{
Name = op.Representation,
Color = colors[colIndex],
Shape = op.Result?.Shape.ToString() != null ? "[" + op.Result.Shape + "]" : string.Empty
};
dico[op] = opVertex;
graph.AddVertex(opVertex);
}
foreach (var op in set)
{
foreach (var parent in op.Parents)
{
graph.AddEdge(new OpEdge(dico[parent], dico[op]));
}
}
this.Graph = graph;
}
public OpEdge(OpVertex source, OpVertex target) : base(source, target)
{
}