private void AddNode()
{
if (!Graph.Instance.DirectoryIsDefined)
{
UIManager.ShowDialog(null, "Project directory does not exist or is not defined." + Environment.NewLine + "Create new project.", "Ok");
return;
}
if (!GraphHelper.CheckNodeName(Path.GetFileName(dir)))
{
UIManager.ShowDialog(null, "Spaces are not allowed in block names, please rename block before use.", "Ok");
return;
}
GraphHelper.AddNode(Graph.Instance, dir);
}