using System;
using CPF.Drawing;
using CPF.ReoGrid.Graphics;

namespace CPF.ReoGrid
{
	public abstract class ReferenceStyle
	{
		public Worksheet Worksheet
		{
			get
			{
				return this.sheet;
			}
		}

		internal ReferenceStyle(Worksheet sheet)
		{
			this.sheet = sheet;
		}

		internal virtual void SetStyle(RangePosition range, WorksheetRangeStyle style)
		{
			this.SetStyle(range.Row, range.Col, range.Rows, range.Cols, style);
		}

		internal virtual void SetStyle(int row, int col, int rows, int cols, WorksheetRangeStyle style)
		{
			this.Worksheet.SetRangeStyles(row, col, rows, cols, style);
		}

		internal virtual void SetStyle<T>(RangePosition range, PlainStyleFlag flag, T value)
		{
			this.SetStyle<T>(range.Row, range.Col, range.Rows, range.Cols, flag, value);
		}

		internal virtual void SetStyle<T>(int row, int col, int rows, int cols, PlainStyleFlag flag, T value)
		{
			WorksheetRangeStyle worksheetRangeStyle = new WorksheetRangeStyle
			{
				Flag = flag
			};
			if (flag <= PlainStyleFlag.HorizontalAlign)
			{
				if (flag <= PlainStyleFlag.FontStyleStrikethrough)
				{
					long num = flag - PlainStyleFlag.FontName;
					if (num <= 3L)
					{
						switch ((uint)num)
						{
						case 0U:
							worksheetRangeStyle.FontName = (string)((object)value);
							goto IL_284;
						case 1U:
							worksheetRangeStyle.FontSize = (float)((object)value);
							goto IL_284;
						case 2U:
							goto IL_284;
						case 3U:
							worksheetRangeStyle.Bold = (bool)((object)value);
							goto IL_284;
						}
					}
					if (flag != PlainStyleFlag.FontStyleItalic)
					{
						if (flag == PlainStyleFlag.FontStyleStrikethrough)
						{
							worksheetRangeStyle.Strikethrough = (bool)((object)value);
						}
					}
					else
					{
						worksheetRangeStyle.Italic = (bool)((object)value);
					}
				}
				else if (flag <= PlainStyleFlag.TextColor)
				{
					if (flag != PlainStyleFlag.FontStyleUnderline)
					{
						if (flag == PlainStyleFlag.TextColor)
						{
							worksheetRangeStyle.TextColor = (Color)((object)value);
						}
					}
					else
					{
						worksheetRangeStyle.Underline = (bool)((object)value);
					}
				}
				else if (flag != PlainStyleFlag.BackColor)
				{
					if (flag == PlainStyleFlag.HorizontalAlign)
					{
						worksheetRangeStyle.HAlign = (ReoGridHorAlign)((object)value);
					}
				}
				else
				{
					worksheetRangeStyle.BackColor = (Color)((object)value);
				}
			}
			else if (flag <= PlainStyleFlag.FillPatternStyle)
			{
				if (flag != PlainStyleFlag.VerticalAlign)
				{
					if (flag != PlainStyleFlag.FillPatternColor)
					{
						if (flag == PlainStyleFlag.FillPatternStyle)
						{
							worksheetRangeStyle.FillPatternStyle = (HatchStyles)((object)value);
						}
					}
					else
					{
						worksheetRangeStyle.FillPatternColor = (Color)((object)value);
					}
				}
				else
				{
					worksheetRangeStyle.VAlign = (ReoGridVerAlign)((object)value);
				}
			}
			else if (flag <= PlainStyleFlag.Indent)
			{
				if (flag != PlainStyleFlag.TextWrap)
				{
					if (flag == PlainStyleFlag.Indent)
					{
						worksheetRangeStyle.Indent = (ushort)((object)value);
					}
				}
				else
				{
					worksheetRangeStyle.TextWrapMode = (TextWrapMode)((object)value);
				}
			}
			else if (flag != PlainStyleFlag.Padding)
			{
				if (flag == PlainStyleFlag.RotationAngle)
				{
					worksheetRangeStyle.RotationAngle = (float)((int)((object)value));
				}
			}
			else
			{
				worksheetRangeStyle.Padding = (PaddingValue)((object)value);
			}
			IL_284:
			this.Worksheet.SetRangeStyles(row, col, rows, cols, worksheetRangeStyle);
		}

		internal virtual T GetStyle<T>(RangePosition range, PlainStyleFlag flag)
		{
			return this.GetStyle<T>(range.Row, range.Col, range.Rows, range.Cols, flag);
		}

		internal virtual T GetStyle<T>(int row, int col, int rows, int cols, PlainStyleFlag flag)
		{
			Type typeFromHandle = typeof(T);
			return (T)((object)Convert.ChangeType(this.Worksheet.GetRangeStyle(row, col, rows, cols, flag), typeFromHandle));
		}

		internal virtual void CheckForReferenceOwner(object owner)
		{
			bool flag = this.Worksheet == null || owner == null;
			if (flag)
			{
				throw new ReferenceObjectNotAssociatedException("Reference style must be associated with an instance of owner.");
			}
		}

		public static implicit operator WorksheetRangeStyle(ReferenceStyle refStyle)
		{
			return new WorksheetRangeStyle();
		}

		private Worksheet sheet;
	}
}