// Copyright (c) 2017- schick Informatik
// Description: Validation for direct in-grid editing
//

using System;
using System.Globalization;
using System.Windows.Controls;

namespace ENI2.Util
{
    public class NumberValidationRule : ValidationRule
    {
        public double? MaxValue { get; set; }

        public double MinValue { get; set; } = 0;

        public override ValidationResult Validate(object value, CultureInfo cultureInfo)
        {
            if (!double.TryParse(Convert.ToString(value), out double aDouble))
                return new ValidationResult(false, "Illegal characters");

            if (((MaxValue != null) && (aDouble > MaxValue)) || (aDouble < MinValue))
            {
                return new ValidationResult(false, string.Format("Please enter a number in the range: {0} - {1}", MinValue, MaxValue));
            }
            else
            {
                return new ValidationResult(true, null);
            }
        }
    }
}