using System;
using System.Diagnostics;

namespace CPF.ReoGrid
{
	public class NamedRange : ReferenceRange
	{
		public string Name
		{
			get
			{
				return this.internalName;
			}
			set
			{
				bool flag = this.internalName != value;
				if (flag)
				{
					NamedRange namedRange = null;
					bool flag2 = base.Worksheet != null;
					if (flag2)
					{
						namedRange = base.Worksheet.GetNamedRange(this.internalName);
					}
					bool flag3 = namedRange != null;
					if (flag3)
					{
						base.Worksheet.RenameNamedRange(this.internalName, value);
					}
					else
					{
						this.internalName = value;
					}
					bool flag4 = this.NameChanged != null;
					if (flag4)
					{
						this.NameChanged(this, null);
					}
				}
			}
		}

		public string Comment { get; set; }

		public NamedRange(Worksheet worksheet, string name, string address) : this(worksheet, name, new RangePosition(address))
		{
		}

		public NamedRange(Worksheet worksheet, string name, RangePosition range) : this(worksheet, name, range.StartPos, range.EndPos)
		{
		}

		public NamedRange(Worksheet worksheet, string name, CellPosition startPos, CellPosition endPos) : base(worksheet, startPos, endPos)
		{
			bool flag = RangePosition.IsValidAddress(name);
			if (flag)
			{
				throw new InvalidNamedRangeException(name);
			}
			this.internalName = name;
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler NameChanged;

		public static bool IsValidName(string name)
		{
			return RGUtility.IsValidName(name);
		}

		public NamedRangeScope Scope { get; set; }

		public override string ToString()
		{
			return string.Format("{0}!{1}", base.Worksheet.Name, this.ToAddress());
		}

		internal string internalName;
	}
}