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

namespace CPF.ReoGrid.Outline
{
	public class OutlineCollectionProperty<T> : IEnumerable<T>, IEnumerable where T : ReoGridOutline
	{
		internal OutlineCollectionProperty(Worksheet worksheet, RowOrColumn rowOrColumn)
		{
			this.worksheet = worksheet;
			this.rowOrColumn = rowOrColumn;
		}

		public T AddOutline(int start, int count)
		{
			return (T)((object)this.worksheet.AddOutline(this.rowOrColumn, start, count));
		}

		public T RemoveOutline(int start, int count)
		{
			return (T)((object)this.worksheet.RemoveOutline(this.rowOrColumn, start, count));
		}

		public T this[int start, int count]
		{
			get
			{
				return (T)((object)this.worksheet.GetOutline(this.rowOrColumn, start, count));
			}
		}

		private IEnumerator<T> GetEnum()
		{
			foreach (OutlineGroup<ReoGridOutline> og in this.worksheet.GetOutlines(this.rowOrColumn))
			{
				foreach (ReoGridOutline o in og)
				{
					yield return (T)((object)o);
				}
			}
		}

		public IEnumerator<T> GetEnumerator()
		{
			return this.GetEnum();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return this.GetEnum();
		}

		private Worksheet worksheet;

		private RowOrColumn rowOrColumn;
	}
}