StabilityMatrix/StabilityMatrix.Avalonia/Converters/IndexPlusOneConverter.cs

using System;
using System.Globalization;
using Avalonia.Data.Converters;

namespace StabilityMatrix.Avalonia.Converters;

/// <summary>
/// Converts an index to index + 1
/// </summary>
public class IndexPlusOneConverter : IValueConverter
{
    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        if (value is int i)
        {
            return i + 1;
        }

        return value;
    }

    public object? ConvertBack(
        object? value,
        Type targetType,
        object? parameter,
        CultureInfo culture
    )
    {
        if (value is int i)
        {
            return i - 1;
        }

        return value;
    }
}