using System.Collections;
using System.Data;

namespace IwbZero.IwbDataQuery
{
    public class IwbBaseAttribute
    {
        protected readonly Hashtable _htProperties = new Hashtable();
        protected int _rowIndex = -1;

        public bool addToTable(DataTable dt)
        {
            DataRow row;
            if (_rowIndex == -1)
            {
                row = dt.NewRow();
                _rowIndex = dt.Rows.Count;
            }
            else
            {
                row = dt.Rows[_rowIndex];
            }
            row.BeginEdit();
            for (int i = 0; i < row.Table.Columns.Count; i++)
            {
                string str = row.Table.Columns[i].ColumnName.ToUpper().Trim();
                row[str] = this[str];
            }
            row.EndEdit();
            if (_rowIndex == dt.Rows.Count)
            {
                dt.Rows.Add(row);
            }
            return false;
        }

        public virtual void loadFromDataRow(DataRow dr)
        {
            _htProperties.Clear();
            for (int i = 0; i < dr.Table.Columns.Count; i++)
            {
                string key = dr.Table.Columns[i].ColumnName.ToUpper().Trim();
                _htProperties.Add(key, dr[i]);
            }
        }

        public void loadFromTable(DataTable dt, int index)
        {
            loadFromDataRow(dt.Rows[index]);
            _rowIndex = index;
        }

        //public void UpdateValueToTable(npTable poFormTable)
        //{
        //    foreach (string str in _htProperties.Keys)
        //    {
        //        if (poFormTable.Columns.Contains(str))
        //        {
        //            poFormTable.SetField(str, _htProperties[str].ToString());
        //        }
        //    }
        //}

        public object this[string pcColName]
        {
            get
            {
                object obj2 = "";
                string key = pcColName.Trim().ToUpper();
                if (_htProperties.ContainsKey(key))
                {
                    obj2 = _htProperties[key];
                }
                return obj2;
            }
            set
            {
                string key = pcColName.Trim().ToUpper();
                if (_htProperties.ContainsKey(key))
                {
                    _htProperties[key] = value;
                }
                else
                {
                    _htProperties.Add(key, value);
                }
            }
        }
    }

}