private void OptionMenuAction(String sender)
        {
            switch (sender)
            {
            case "next":
                var nextList = dataAccess.GetBible(BibleDataAccess.Mode.Next);
                if (nextList != null)
                {
                    var next = new ObservableCollection <Bible>(nextList);
                    Bible.Clear();
                    Bible = next;
                }
                break;

            case "prev":
                var prevList = dataAccess.GetBible(BibleDataAccess.Mode.Prev);
                if (prevList != null)
                {
                    var prev = new ObservableCollection <Bible>(prevList);
                    Bible.Clear();
                    Bible = prev;
                }
                break;

            case "note":
                break;

            case "sermon":
                break;
            }
        }
        public BibleViewModel(TabbedPageViewModel rootViewModel)
        {
            MasterViewModel = rootViewModel;

            dataAccess          = BibleDataAccess.Instance();
            dataAccess.TOP_CASE = LanguageHelper.GetTopVersion(Settings.Languages.Split(','));

            bible        = new ObservableCollection <Bible>(dataAccess.GetBible(BibleDataAccess.Mode.Init));
            dashedBibles = new List <Bible>();

            colors = dataAccess.GetColors();
            searchPageViewModel = new SearchViewModel(this);

            for (int i = 0; i < languageName.Length; i++)
            {
                Language languase = new Language()
                {
                    Kind      = languageName[i],
                    IsChecked = Settings.Languages.Contains(languageName[i])
                };
                languages.Add(languase);
            }

            NavigationBarCommand    = new Command <string>(NavigationBarChanged);
            BibleSettingMenuCommand = new Command <string>(BibleSettingAction);
            OptionMenuCommand       = new Command <string>(OptionMenuAction);

            if (Settings.LightMode)
            {
                CellTextColor                       = "#000000";
                CellBackgroundColor                 = "#ffffff";
                searchPageViewModel.TextColor       = "#000000";
                searchPageViewModel.BackgroundColor = "#ffffff";
            }
            else
            {
                CellTextColor                       = "#ffffff";
                CellBackgroundColor                 = "#343434";
                searchPageViewModel.TextColor       = "#fffffff";
                searchPageViewModel.BackgroundColor = "#343434";
            }
        }