public void New(Graph graph)
    {
        void Open(string path)
        {
            try
            {
                GraphHelper.NewGraph();
                var pxwFile = Path.Combine(path, UserSettings.Instance.ProjectFile);
                GraphHelper.SaveGraph(pxwFile);

                SaverLoader.ClearSpecFolders(Path.GetDirectoryName(pxwFile));
                GraphicsWindowController.Instance.CloseGraphicsWindowIfOpened();
            }
            catch (Exception ex)
            {
                UIManager.ShowDialog(null, ex.Message, "Ok");
                Debug.LogException(ex);
            }
        }

        OpenFileController.Instance.OpenFolder("Select Graph Folder", "", (path) =>
        {
            if (string.IsNullOrWhiteSpace(path))
            {
                return;
            }
            var files   = Directory.GetFiles(path, "*.*");
            var folders = Directory.GetDirectories(path, "*.*");
            if (files.Length != 0 || folders.Length != 0)
            {
                UIManager.ShowDialog(null, "Folder is not empty." + Environment.NewLine + "All files and subdirectories will be removed." + Environment.NewLine + "Are you sure to create new project here?", "Ok", "Cancel", onClosed: (res) =>
                {
                    Debug.Log(res);
                    if (res == DialogResult.Ok)
                    {
                        Open(path);
                    }
                }
                                     );
            }
            else
            {
                Open(path);
            }
        });
    }