private List<DialogNodeColor> GetNextNodes(DialogGraphNodeBase node)
{
var links = _graph.GetNodeLinks(node.Id);
var result = new List<DialogNodeColor>();
foreach(var link in links)
{
var dlgColor = new DialogNodeColor();
if(link.Direction.ToNode==null)
continue;
var nextNode = _graph.GetNode(link.Direction.ToNode.Value);
if(nextNode is EmptyDialogGraphNode)
{
result.AddRange(GetNextNodes(nextNode));
continue;
}
dlgColor.Node = (DialogGraphPhraseNodeBase) nextNode;
if(nextNode is PhraseDialogGraphNode)
{
if(node is PhraseDialogGraphNode || node is EmptyDialogGraphNode)
dlgColor.Color = DialogNodeColor.NodeColor.Phrase;
else if(node is AnswerCollectionDialogGraphNode)
dlgColor.Color = DialogNodeColor.NodeColor.Answer;
}
else if(nextNode is AnswerCollectionDialogGraphNode)
dlgColor.Color = DialogNodeColor.NodeColor.Question;
result.Add(dlgColor);
}
return result;
}
private void MoveNext(DialogGraphNodeBase node)
{
var next = GetNextNodes(node).Select(n => n.Node).FirstOrDefault();
_path.Push(next);
LoadControls();
}
