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

namespace DrillTools
{
    /// <summary>
    /// 非空字符串到可见性转换器
    /// 非空且非空白字符串 → Visible，否则 → Collapsed
    /// </summary>
    public class NonEmptyToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is string s && !string.IsNullOrWhiteSpace(s))
                return Visibility.Visible;
            return Visibility.Collapsed;
        }

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