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

namespace Biff8Excel.Excel
{
    /// <summary> 
    /// 所有有内容ExcelCellLink的链
    /// key 为行号 从零开始
    /// </summary>
    public class ExcelRowLinkDictionary : SortedList<ushort,ExcelCellLinkDictionary>  //BaseTwoLinkList<ExcelCellLink>
    {
        ExcelCellLinkDictionary arrCells;
        //ushort m_sheetNumber;
        //ushort m_rowNumber;
        ExcelWorkbook pWorkbook;

        public ExcelRowLinkDictionary(ExcelWorkbook pWorkbook) : base()
        {
            this.pWorkbook = pWorkbook;
        }

        /// <summary>
        /// 为指定单元格赋值
        /// </summary>
        /// <param name="iRow">行</param>
        /// <param name="iColumn">列</param>
        /// <param name="oCell">单元格的实例</param>
        public void AddCell(ushort iRow, ushort iColumn, ExcelCell oCell)
        {
            //TwoLinkNode<ExcelCellLink> tp;
            //nodeLocation nl = FindByIndex(iRow, out tp);

            //if (nl != nodeLocation.current)
            //{
            //    arrCells = new ExcelCellLink(pWorkbook);
            //    arrCells.sheetNumber = sheetnumber;
            //    arrCells.rowNumber = iRow;
            //    base.Insert(iRow, arrCells, nl);
            //}

            //current.Data.Insert(iColumn, oCell);

            if (this.TryGetValue(iRow, out arrCells))
            {
                arrCells.SetCell(iColumn, oCell);
            }
            else
            {
                arrCells = new ExcelCellLinkDictionary(pWorkbook);
                //arrCells.sheetNumber = sheetnumber;
                arrCells.rowNumber = iRow;
                arrCells.AddCell(iColumn, oCell);
                this.Add(iRow, arrCells);
            }

        }

        internal ushort LastUsedRow
        {
            get { return this.Keys[this.Count - 1]; }
            //get { return this.tail.Index; }
        }


        //internal ushort sheetNumber
        //{
        //    set { m_sheetNumber = value; }
        //}
    }
}