Synnefo » Pithos MS Client

using System;

using System.Collections.Generic;

using System.Globalization;

using System.IO;

using System.Linq;

using System.Text;

using System.Windows.Controls;

namespace Pithos.Client.WPF.Preferences

{

    public class DirectoryExistsRule : ValidationRule

    {

        public override ValidationResult Validate(object value, CultureInfo cultureInfo)

        {

            if (!(value is string))

                return new ValidationResult(false,"Value is not a path");

            if (Directory.Exists(value as string))

                return ValidationResult.ValidResult;

            return new ValidationResult(false,String.Format("Path {0} does not exist or is not a directory",value));            

        }

    }

}