Chat/ChatController/Converter/BoolToVisibilityConverter.cs

using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;

namespace ChatController.Converter
{
    public class BoolToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if(value is bool boolValue)
            {
                if(parameter is string reverseString && Equals(reverseString, "reverse"))
                {
                    return boolValue ? Visibility.Visible : Visibility.Collapsed;
                }

                if(parameter is string reverseHiddenString && Equals(reverseHiddenString, "reverse_hidden"))
                {
                    return boolValue ? Visibility.Visible : Visibility.Hidden;
                }

                return boolValue ? Visibility.Collapsed : Visibility.Visible;
            }

            return Visibility.Visible;
        }

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