using System;
using System.Collections.Generic;
using CPF.Drawing;
using CPF.ReoGrid.Core;

namespace CPF.ReoGrid.DataFormat
{
	public sealed class DataFormatterManager
	{
		public static DataFormatterManager Instance
		{
			get
			{
				bool flag = DataFormatterManager.instance == null;
				if (flag)
				{
					DataFormatterManager.instance = new DataFormatterManager();
				}
				return DataFormatterManager.instance;
			}
		}

		public Dictionary<CellDataFormatFlag, IDataFormatter> DataFormatters
		{
			get
			{
				return this.dataFormatters;
			}
			set
			{
				this.dataFormatters = value;
			}
		}

		private DataFormatterManager()
		{
			this.dataFormatters.Add(CellDataFormatFlag.General, new GeneralDataFormatter());
			this.dataFormatters.Add(CellDataFormatFlag.Number, new NumberDataFormatter());
			this.dataFormatters.Add(CellDataFormatFlag.DateTime, new DateTimeDataFormatter());
			this.dataFormatters.Add(CellDataFormatFlag.Percent, new PercentDataFormatter());
			this.dataFormatters.Add(CellDataFormatFlag.Currency, new CurrencyDataFormatter());
			this.dataFormatters.Add(CellDataFormatFlag.Text, new TextDataFormatter());
		}

		internal void FormatCell(Cell cell)
		{
			cell.RenderColor = Color.Transparent;
			bool flag = cell.DataFormat == CellDataFormatFlag.General;
			if (flag)
			{
				bool flag2 = false;
				string innerDisplay = null;
				foreach (CellDataFormatFlag cellDataFormatFlag in this.dataFormatters.Keys)
				{
					IDataFormatter dataFormatter = this.dataFormatters[cellDataFormatFlag];
					bool flag3 = dataFormatter.PerformTestFormat() && (innerDisplay = this.dataFormatters[cellDataFormatFlag].FormatCell(cell)) != null;
					if (flag3)
					{
						cell.DataFormat = cellDataFormatFlag;
						cell.InnerDisplay = innerDisplay;
						flag2 = true;
						break;
					}
				}
				bool flag4 = !flag2;
				if (flag4)
				{
					bool flag5 = cell.InnerData is string;
					if (flag5)
					{
						cell.InnerDisplay = (string)cell.InnerData;
					}
					else
					{
						cell.InnerDisplay = Convert.ToString(cell.InnerData);
					}
					bool flag6 = cell.InnerStyle.HAlign == ReoGridHorAlign.General;
					if (flag6)
					{
						cell.RenderHorAlign = ReoGridRenderHorAlign.Left;
					}
				}
			}
			else
			{
				IDataFormatter dataFormatter2;
				bool flag7 = this.DataFormatters.TryGetValue(cell.DataFormat, out dataFormatter2);
				if (flag7)
				{
					string text = this.DataFormatters[cell.DataFormat].FormatCell(cell);
					bool flag8 = text == null;
					if (flag8)
					{
						text = this.DataFormatters[CellDataFormatFlag.Text].FormatCell(cell);
					}
					cell.InnerDisplay = text;
				}
			}
		}

		private static DataFormatterManager instance;

		private Dictionary<CellDataFormatFlag, IDataFormatter> dataFormatters = new Dictionary<CellDataFormatFlag, IDataFormatter>();
	}
}