using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;

namespace ServerManagerTool.Common.Converters
{
    public class HasStringValueConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if(value == null)
            {
                return false;
            }

            var strValue = value as string;
            if(String.IsNullOrWhiteSpace(strValue))
            {
                return false;
            }

            return true;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new InvalidOperationException("IsNullConverter can only be used OneWay.");
        }
    }
}