using System;
using System.Collections.Generic;
using System.Text;

namespace Volian.Controls.Library
{
	class AlphabeticalNumbering
	{
		//private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
		private static string Letter(int number)
		{
			char c = (char)(number + 64);
			return c.ToString();
		}
		public static string Convert(int number)
		{
			string retval=string.Empty;
			if (number > 26) retval += Letter((number-1) / 26);
			retval += Letter(1 + ((number-1) % 26));
			return retval;
		}
		//private static int[] _TestLetters = new int[] {
		//    1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,
		//    52,53,78,79,104,105
		//  };
		//public static void ShowLetters()
		//{
		//  for (int i = 0; i < _TestLetters.Length; i++)
		//  {
		//    if(_MyLog.IsInfoEnabled)_MyLog.InfoFormat("{0},{1}", _TestLetters[i], Convert(_TestLetters[i]));
		//  }
		//}
	}
}