ShrlAlgoToolkit/ShrlAlgoToolkit.RevitAddins/Common/Converters/MarkupConverters.cs

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

namespace ShrlAlgoToolkit.RevitAddins.Common.Converters
{
    [ValueConversion(typeof(bool), typeof(Visibility))]
    public class BoolVisibilityConverter : MarkupExtension, IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return (value is bool b && b) ? Visibility.Visible : Visibility.Collapsed;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return value is Visibility v && v == Visibility.Visible;
        }

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            return this;
        }
    }

    [ValueConversion(typeof(bool), typeof(Visibility))]
    public class InverseBoolVisibilityConverter : MarkupExtension, IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return (bool)value! == false ? Visibility.Visible : Visibility.Collapsed;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return (Visibility)value! != Visibility.Visible;
        }

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            return this;
        }
    }
    [ValueConversion(typeof(bool), typeof(bool))]
    public class BooleanConverter : MarkupExtension, IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return (bool)value!;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return (bool)value!;
        }

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            return this;
        }
    }
    [ValueConversion(typeof(bool), typeof(bool))]
    public class InverseBooleanConverter : MarkupExtension, IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return !(bool)value!;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return !(bool)value!;
        }

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            return this;
        }
    }
}