using System;

namespace CPF.ReoGrid.Actions
{
	public class SetRangeStyleAction : WorksheetReusableAction
	{
		public WorksheetRangeStyle Style
		{
			get
			{
				return this.style;
			}
			set
			{
				this.style = value;
			}
		}

		public SetRangeStyleAction(int row, int col, int rows, int cols, WorksheetRangeStyle style) : this(new RangePosition(row, col, rows, cols), style)
		{
		}

		public SetRangeStyleAction(string address, WorksheetRangeStyle style)
		{
			this.backupRootStyle = null;
			this.backupRowStyles = null;
			this.backupColStyles = null;
			this.backupData = null;
			this.isFullColSelected = false;
			this.isFullRowSelected = false;
			this.isFullGridSelected = false;
			bool flag = RangePosition.IsValidAddress(address);
			if (flag)
			{
				base.Range = new RangePosition(address);
				this.style = style;
				return;
			}
			throw new InvalidAddressException(address);
		}

		public SetRangeStyleAction(RangePosition range, WorksheetRangeStyle style) : base(range)
        {
			this.backupRootStyle = null;
			this.backupRowStyles = null;
			this.backupColStyles = null;
			this.backupData = null;
			this.isFullColSelected = false;
			this.isFullRowSelected = false;
			this.isFullGridSelected = false;
			this.style = new WorksheetRangeStyle(style);
		}

		public override void Do()
		{
			this.backupData = base.Worksheet.GetPartialGrid(base.Range);
			this.affectedRange = base.Worksheet.FixRange(base.Range);
			int row = base.Range.Row;
			int col = base.Range.Col;
			int endRow = base.Range.EndRow;
			int endCol = base.Range.EndCol;
			int rowCount = base.Worksheet.RowCount;
			int columnCount = base.Worksheet.ColumnCount;
			this.isFullColSelected = (this.affectedRange.Rows == rowCount);
			this.isFullRowSelected = (this.affectedRange.Cols == columnCount);
			this.isFullGridSelected = (this.isFullRowSelected && this.isFullColSelected);
			bool flag = this.isFullGridSelected;
			if (flag)
			{
				this.backupRootStyle = WorksheetRangeStyle.Clone(base.Worksheet.RootStyle);
				this.backupRowStyles = new WorksheetRangeStyle[rowCount];
				this.backupColStyles = new WorksheetRangeStyle[columnCount];
				for (int i = 0; i < rowCount; i++)
				{
					RowHeader rowHeader = base.Worksheet.RetrieveRowHeader(i);
					bool flag2 = rowHeader != null && rowHeader.InnerStyle != null;
					if (flag2)
					{
						this.backupRowStyles[i] = WorksheetRangeStyle.Clone(rowHeader.InnerStyle);
					}
				}
				for (int j = 0; j < columnCount; j++)
				{
					ColumnHeader columnHeader = base.Worksheet.RetrieveColumnHeader(j);
					bool flag3 = columnHeader != null && columnHeader.InnerStyle != null;
					if (flag3)
					{
						this.backupColStyles[j] = WorksheetRangeStyle.Clone(columnHeader.InnerStyle);
					}
				}
			}
			else
			{
				bool flag4 = this.isFullRowSelected;
				if (flag4)
				{
					this.backupRowStyles = new WorksheetRangeStyle[endRow - row + 1];
					for (int k = row; k <= endRow; k++)
					{
						this.backupRowStyles[k - row] = WorksheetRangeStyle.Clone(base.Worksheet.RetrieveRowHeader(k).InnerStyle);
					}
				}
				else
				{
					bool flag5 = this.isFullColSelected;
					if (flag5)
					{
						this.backupColStyles = new WorksheetRangeStyle[endCol - col + 1];
						for (int l = col; l <= endCol; l++)
						{
							this.backupColStyles[l - col] = WorksheetRangeStyle.Clone(base.Worksheet.RetrieveColumnHeader(l).InnerStyle);
						}
					}
				}
			}
			base.Worksheet.SetRangeStyles(this.affectedRange, this.style);
		}

		public override void Undo()
		{
			bool flag = this.isFullGridSelected;
			if (flag)
			{
				base.Worksheet.RootStyle = WorksheetRangeStyle.Clone(this.backupRootStyle);
				for (int i = 0; i < this.backupRowStyles.Length; i++)
				{
					bool flag2 = this.backupRowStyles[i] != null;
					if (flag2)
					{
						RowHeader rowHeader = base.Worksheet.RetrieveRowHeader(i);
						bool flag3 = rowHeader != null;
						if (flag3)
						{
							rowHeader.InnerStyle = WorksheetRangeStyle.Clone(this.backupRowStyles[i]);
						}
					}
				}
				for (int j = 0; j < this.backupColStyles.Length; j++)
				{
					bool flag4 = this.backupColStyles[j] != null;
					if (flag4)
					{
						ColumnHeader columnHeader = base.Worksheet.RetrieveColumnHeader(j);
						bool flag5 = columnHeader != null;
						if (flag5)
						{
							columnHeader.InnerStyle = WorksheetRangeStyle.Clone(this.backupColStyles[j]);
						}
					}
				}
			}
			else
			{
				bool flag6 = this.isFullRowSelected;
				if (flag6)
				{
					for (int k = 0; k < this.backupRowStyles.Length; k++)
					{
						RowHeader rowHeader2 = base.Worksheet.RetrieveRowHeader(k + this.affectedRange.Row);
						bool flag7 = rowHeader2 != null;
						if (flag7)
						{
							rowHeader2.InnerStyle = this.backupRowStyles[k];
						}
					}
				}
				else
				{
					bool flag8 = this.isFullColSelected;
					if (flag8)
					{
						for (int l = 0; l < this.backupColStyles.Length; l++)
						{
							ColumnHeader columnHeader2 = base.Worksheet.RetrieveColumnHeader(l + this.affectedRange.Col);
							bool flag9 = columnHeader2 != null;
							if (flag9)
							{
								columnHeader2.InnerStyle = this.backupColStyles[l];
							}
						}
					}
				}
			}
			base.Worksheet.SetPartialGrid(this.affectedRange, this.backupData, PartialGridCopyFlag.CellStyle);
		}

		public override string GetName()
		{
			return "Set Style";
		}

		public override WorksheetReusableAction Clone(RangePosition range)
		{
			return new SetRangeStyleAction(range, this.style);
		}

		private WorksheetRangeStyle style;

		private WorksheetRangeStyle backupRootStyle;

		private WorksheetRangeStyle[] backupRowStyles;

		private WorksheetRangeStyle[] backupColStyles;

		private PartialGrid backupData;

		private bool isFullColSelected;

		private bool isFullRowSelected;

		private bool isFullGridSelected;

		private RangePosition affectedRange;
	}
}