public FolderListItemViewModel(FolderReactionManagePageViewModel pageVM, FolderModel folderModel)
		{
			PageVM = pageVM;
			FolderModel = folderModel;

			FolderName = folderModel.Folder.Name;

			
		}
		public ReactionListItemViewModel(FolderReactionManagePageViewModel pageVM, FolderReactionModel reactionModel)
		{
			PageVM = pageVM;
			Reaction = reactionModel;

			Name = Reaction.Name.ToString();

			var userFolder = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);

			FilePath = Reaction.WorkFolder?.FullName ?? "<no setting>";

			IsInactive = false == Reaction.IsEnable;

			IsInvalid = false == Reaction.IsValid;

			IsSelected = false;
		}
		public ReactionManageFolderViewModel(FolderReactionManagePageViewModel pageVM, FolderModel folder)
		{
			PageVM = pageVM;
			Folder = folder;
			FolderName = Folder.Name;

			ReactionItems = Folder.Reactions
				.ToReadOnlyReactiveCollection(x => new ReactionListItemViewModel(PageVM, x));

			FolderItems = Folder.Children
				.ToReadOnlyReactiveCollection(x => new FolderListItemViewModel(PageVM, x));
			
			SelectedReaction = new ReactiveProperty<ReactionListItemViewModel>();

			SelectedReaction.Subscribe(x =>
			{
				if (x != null)
				{
					PageVM.ShowReaction(x.Reaction);
					x.IsSelected = true;
				}

				foreach (var item in ReactionItems.Where(y => y != x))
				{
					item.IsSelected = false;
				}

			});
			
		}