using System;
using System.Collections.Generic;

namespace CPF.ReoGrid
{
	internal class CellComparer : IComparer<object>
	{
		public CellComparer(SortOrder order)
		{
			this.sign = ((order == SortOrder.Ascending) ? 1 : -1);
		}

		public int Compare(object x, object y)
		{
			IComparable comparable = x as IComparable;
			string text = comparable as string;
			bool flag = text != null && string.IsNullOrEmpty(text);
			if (flag)
			{
				comparable = null;
			}
			string text2 = y as string;
			bool flag2 = text2 != null && string.IsNullOrEmpty(text2);
			if (flag2)
			{
				y = null;
			}
			bool flag3 = comparable == null && y == null;
			int result;
			if (flag3)
			{
				result = 0;
			}
			else
			{
				bool flag4 = comparable != null && y == null;
				if (flag4)
				{
					result = -this.sign;
				}
				else
				{
					bool flag5 = comparable == null;
					if (flag5)
					{
						result = this.sign;
					}
					else
					{
						bool flag6 = comparable.GetType() == y.GetType();
						if (flag6)
						{
							result = comparable.CompareTo(y);
						}
						else
						{
							bool flag7 = y is string;
							if (flag7)
							{
								result = Convert.ToString(comparable).CompareTo(y);
							}
							else
							{
								bool flag8 = comparable is string;
								if (flag8)
								{
									result = comparable.CompareTo(Convert.ToString(y));
								}
								else
								{
									try
									{
										result = ((double)Convert.ChangeType(comparable, typeof(double))).CompareTo(Convert.ChangeType(y, typeof(double)));
									}
									catch
									{
										result = Convert.ToString(comparable).CompareTo(Convert.ToString(y));
									}
								}
							}
						}
					}
				}
			}
			return result;
		}

		private readonly int sign;
	}
}