public DashboardViewModel(IDashboardConfiguration config, IEntityService <IPrice> priceService, IEntityService <IStrategy> strategyService)
        {
            var dummyCommand = ReactiveCommand.Create(() => { });

            AvailableDates = new ReactiveList <DateTime>(Enumerable.Range(0, 5).Select(offset => DateTime.Now.AddDays(-offset)));
            SelectedDate   = AvailableDates.First();

            DashboardMenu.Add(new StaticItemDescriptor(String.Format("{0} - {1}", config.ApplicationName, config.Version)));

            _widgetMenu = CreateWidgetMenu();

            DashboardMenu.Add(_widgetMenu);

            this.WhenAnyValue(vm => vm.CurrentWorkspace)
            .Where(val => null != val)
            .Subscribe(obs =>
            {
                _widgetMenu.GetChildrenMenuItems((item => item.GetType() == typeof(WidgetButtonItemDescriptor))).ForEach(item =>
                {
                    item.IsEnabled = ((item as WidgetButtonItemDescriptor).Widget as WorkspaceAwareWidgetAttribute).IsVisible(obs.State);
                });
            });
        }
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        public TestDashboard()
        {
            var widgets = CreateWidgetMenu(TestConstants.WidgetMenuName);

            DashboardMenu.Add(widgets);
        }