protected override void VisitNode(INodeModel nodeModel, HashSet <INodeModel> visitedNodes)
{
// recurse first
base.VisitNode(nodeModel, visitedNodes);
if (nodeModel == null)
{
return;
}
foreach (var callback in Callbacks)
{
callback(nodeModel);
}
// do after left recursion, so the leftmost node is processed first
foreach (var inputPortModel in nodeModel.InputsByDisplayOrder)
{
bool any = false;
foreach (var connection in inputPortModel.ConnectionPortModels)
{
any = true;
nodeModel.OnConnection(inputPortModel, connection);
}
if (!any)
{
nodeModel.OnConnection(inputPortModel, null);
}
}
foreach (var outputPortModel in nodeModel.OutputsByDisplayOrder)
{
bool any = false;
foreach (var connection in outputPortModel.ConnectionPortModels)
{
any = true;
nodeModel.OnConnection(outputPortModel, connection);
}
if (!any)
{
nodeModel.OnConnection(outputPortModel, null);
}
}
}
