public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            ContentView = new FilterView();
            View        = ContentView;

            ContentView.SetPickerModel(Filters.List);
            ContentView.ImageView.Image = PageRepository.Current.DocumentImage;

            Title = "Choose filter";

            var button = new UIBarButtonItem("Apply", UIBarButtonItemStyle.Done, FilterChosen);

            NavigationItem.SetRightBarButtonItem(button, false);
        }