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

namespace Szmedi.RvKits.Converters;

public class InvertBooleanToVisibilityConverter : IValueConverter
{
    /// <summary>
    ///     绑定的后台属性值，经过此转换器转换成前端的值
    /// </summary>
    /// <param name="value"></param>
    /// <param name="targetType"></param>
    /// <param name="parameter"></param>
    /// <param name="culture"></param>
    /// <returns></returns>
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        var isChecked = value as bool?;
        return isChecked is null or false ? (object)Visibility.Visible : Visibility.Collapsed;
    }

    /// <summary>
    ///     前端的值，经过此转换器转为后台属性值
    /// </summary>
    /// <param name="value"></param>
    /// <param name="targetType"></param>
    /// <param name="parameter"></param>
    /// <param name="culture"></param>
    /// <returns></returns>
    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}