using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Data;

namespace Client.Application.Services
{
    public class NullToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            var isCollapsedWhenNull = parameter == null ? false : true;
            var nullVisibility = isCollapsedWhenNull ? Visibility.Collapsed : Visibility.Hidden;
            return value == null ? nullVisibility : Visibility.Visible;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}