using System;
using System.Diagnostics;
using CPF.Drawing;
using CPF.ReoGrid.CellTypes;
using CPF.ReoGrid.Common;
using CPF.ReoGrid.Core;
using CPF.ReoGrid.DataFormat;
using CPF.ReoGrid.Formula;
using CPF.ReoGrid.Utility;

namespace CPF.ReoGrid
{
	[Serializable]
	public class Cell
	{
		public Worksheet Worksheet
		{
			get
			{
				return this.worksheet;
			}
		}

		internal Cell(Worksheet worksheet)
		{
			this.worksheet = worksheet;
			this.FontDirty = true;
		}

		internal int InternalRow
		{
			get
			{
				return this.InternalPos.Row;
			}
			set
			{
				this.InternalPos.Row = value;
			}
		}

		internal int InternalCol
		{
			get
			{
				return this.InternalPos.Col;
			}
			set
			{
				this.InternalPos.Col = value;
			}
		}

		public int Row
		{
			get
			{
				return this.InternalPos.Row;
			}
		}

		public int Column
		{
			get
			{
				return this.InternalPos.Col;
			}
		}

		public CellPosition Position
		{
			get
			{
				return this.InternalPos;
			}
		}

		public RangePosition PositionAsRange
		{
			get
			{
				return new RangePosition(this.InternalRow, this.InternalCol, (int)this.rowspan, (int)this.colspan);
			}
		}

		public string Address
		{
			get
			{
				return RGUtility.ToAddress(this.InternalPos.Row, this.InternalPos.Col, 1, 1, true);
			}
		}

		internal short Colspan
		{
			get
			{
				return this.colspan;
			}
			set
			{
				this.colspan = value;
			}
		}

		internal short Rowspan
		{
			get
			{
				return this.rowspan;
			}
			set
			{
				this.rowspan = value;
			}
		}

		public short GetColspan()
		{
			return this.colspan;
		}

		public short GetRowspan()
		{
			return this.rowspan;
		}

		internal Rect Bounds
		{
			get
			{
				return this.bounds;
			}
			set
			{
				this.bounds = value;
			}
		}

		internal float Width
		{
			get
			{
				return this.bounds.Width;
			}
			set
			{
				this.bounds.Width = value;
			}
		}

		internal float Height
		{
			get
			{
				return this.bounds.Height;
			}
			set
			{
				this.bounds.Height = value;
			}
		}

		internal float Top
		{
			get
			{
				return this.bounds.Y;
			}
			set
			{
				this.bounds.Y = value;
			}
		}

		internal float Left
		{
			get
			{
				return this.bounds.X;
			}
			set
			{
				this.bounds.X = value;
			}
		}

		internal float Right
		{
			get
			{
				return this.bounds.Right;
			}
			set
			{
				this.bounds.Width = this.bounds.Width + (this.bounds.Right - value);
			}
		}

		internal float Bottom
		{
			get
			{
				return this.bounds.Bottom;
			}
			set
			{
				this.bounds.Height = this.bounds.Height + (this.bounds.Bottom - value);
			}
		}

		public CellDataFormatFlag DataFormat
		{
			get
			{
				return this.dataFormat;
			}
			set
			{
				this.dataFormat = value;
			}
		}

		public object DataFormatArgs
		{
			get
			{
				return this.dataFormatArgs;
			}
			set
			{
				this.dataFormatArgs = value;
			}
		}

		internal object InnerData { get; set; }

		public object Data
		{
			get
			{
				return this.InnerData;
			}
			set
			{
				bool flag = this.worksheet != null;
				if (flag)
				{
					this.worksheet.SetSingleCellData(this, value);
				}
				else
				{
					this.InnerData = value;
				}
			}
		}

		public T GetData<T>()
		{
			return CellUtility.ConvertData<T>(this.InnerData);
		}

		internal string InnerFormula { get; set; }

		public FormulaStatus FormulaStatus
		{
			get
			{
				return this.formulaStatus;
			}
		}

		internal string InnerDisplay { get; set; }

		public string DisplayText
		{
			get
			{
				return this.InnerDisplay;
			}
		}

		public bool IsReadOnly { get; set; }

		public void StartEdit()
		{
			this.ValidateAssociation();
			this.worksheet.StartEdit(this);
		}

		public void EndEdit()
		{
			this.ValidateAssociation();
			bool flag = this.worksheet.currentEditingCell == this;
			if (flag)
			{
				this.worksheet.EndEdit(this);
			}
		}

		public void ExpandRowHeight()
		{
			this.ValidateAssociation();
			this.worksheet.ExpandRowHeightToFitCell(this);
		}

		public void ExpandColumnWidth()
		{
			this.ValidateAssociation();
			this.worksheet.ExpandColumnWidthFitToCell(this);
		}

		private void ValidateAssociation()
		{
			bool flag = this.worksheet == null;
			if (flag)
			{
				throw new ReferenceObjectNotAssociatedException("Cell not associated to any worksheet.");
			}
		}

		internal STNode FormulaTree
		{
			get
			{
				return this.formulaTree;
			}
			set
			{
				this.formulaTree = value;
			}
		}

		public string Formula
		{
			get
			{
				return this.InnerFormula;
			}
			set
			{
				bool flag = this.InnerFormula != value;
				if (flag)
				{
					bool flag2 = this.Worksheet == null;
					if (flag2)
					{
						this.InnerFormula = value;
						this.InnerData = null;
						this.InnerDisplay = null;
						Logger.Log("cell", "Cell not attached to any worksheet: {0}", new object[]
						{
							this.Position.ToAddress()
						});
					}
					else
					{
						bool flag3 = string.IsNullOrEmpty(value);
						if (flag3)
						{
							this.worksheet.DeleteCellFormula(this);
						}
						else
						{
							this.worksheet.SetCellFormula(this, value);
							this.worksheet.RecalcCell(this, null);
						}
					}
				}
			}
		}

		public bool HasFormula
		{
			get
			{
				return !string.IsNullOrEmpty(this.InnerFormula);
			}
		}

		internal WorksheetRangeStyle InnerStyle { get; set; }

		internal StyleParentKind StyleParentKind { get; set; }

		internal void CreateOwnStyle()
		{
			this.InnerStyle = new WorksheetRangeStyle(this.InnerStyle);
			this.StyleParentKind = StyleParentKind.Own;
			bool flag = ++Cell._count % 50 == 0;
			if (flag)
			{
				Logger.Log("style", "new style created, count: " + Cell._count.ToString());
			}
		}

		public ReferenceCellStyle Style
		{
			get
			{
				bool flag = this.referenceStyle == null;
				if (flag)
				{
					this.referenceStyle = new ReferenceCellStyle(this);
				}
				return this.referenceStyle;
			}
			set
			{
				bool flag = value == null;
				if (flag)
				{
					this.Worksheet.RemoveRangeStyles(new RangePosition(this.InternalPos, this.InternalPos), PlainStyleFlag.All);
				}
				else
				{
					Cell cell = value.Cell;
					bool flag2 = cell == null;
					if (!flag2)
					{
						WorksheetRangeStyle innerStyle = cell.InnerStyle;
						StyleParentKind styleParentKind = cell.StyleParentKind;
						StyleParentKind styleParentKind2 = styleParentKind;
						if (styleParentKind2 > StyleParentKind.Range)
						{
							if (styleParentKind2 != StyleParentKind.Own)
							{
							}
							this.InnerStyle = new WorksheetRangeStyle(cell.InnerStyle);
							this.StyleParentKind = StyleParentKind.Own;
						}
						else
						{
							this.InnerStyle = cell.InnerStyle;
							this.StyleParentKind = cell.StyleParentKind;
						}
					}
				}
			}
		}

		public bool IsVisible
		{
			get
			{
				bool flag = this.Worksheet == null;
				return !flag && this.Worksheet.IsCellVisible(this);
			}
		}

		internal float DistributedIndentSpacing
		{
			get
			{
				return this.distributedIndentSpacing;
			}
			set
			{
				this.distributedIndentSpacing = value;
			}
		}

		internal float DistributedIndentSpacingPrint
		{
			get
			{
				return this.distributedIndentSpacingPrint;
			}
			set
			{
				this.distributedIndentSpacingPrint = value;
			}
		}

		public CellBorderProperty Border
		{
			get
			{
				bool flag = this.borderProperty == null;
				if (flag)
				{
					this.borderProperty = new CellBorderProperty(this);
				}
				return this.borderProperty;
			}
		}

		internal void UpdateContentBounds()
		{
			bool flag = this.body != null;
			if (flag)
			{
				float left = this.InnerStyle.Padding.Left;
				float top = this.InnerStyle.Padding.Top;
				float num = this.bounds.Width - 1f - this.InnerStyle.Padding.Left - this.InnerStyle.Padding.Right;
				float num2 = this.bounds.Height - 1f - this.InnerStyle.Padding.Top - this.InnerStyle.Padding.Bottom;
				Rect rect = new Rect(ref left, ref top, ref num, ref num2);
				bool flag2 = this.body.Bounds != rect;
				if (flag2)
				{
					this.body.Bounds = rect;
					this.body.OnBoundsChanged();
				}
			}
		}

		public object Tag { get; set; }

		public ICellBody Body
		{
			get
			{
				return this.body;
			}
			set
			{
				bool flag = this.body != value;
				if (flag)
				{
					this.body = value;
					bool flag2 = this.body != null;
					if (flag2)
					{
						this.body.OnSetup(this);
						bool flag3 = this.body is CellBody;
						if (flag3)
						{
							((CellBody)this.body).InnerCell = this;
						}
					}
					this.UpdateContentBounds();
					bool flag4 = this.Worksheet != null;
					if (flag4)
					{
						this.Worksheet.RequestInvalidate();
					}
				}
			}
		}

		public Cell Clone()
		{
			Cell cell = new Cell(this.Worksheet);
			CellUtility.CopyCell(cell, this);
			return cell;
		}

		public override string ToString()
		{
			return "Cell[" + this.Address + "]";
		}

		internal CellPosition MergeStartPos
		{
			get
			{
				return this.mergeStartPos;
			}
			set
			{
				Debug.Assert(value.Row >= -1 && value.Col >= -1);
				this.mergeStartPos = value;
			}
		}

		internal CellPosition MergeEndPos
		{
			get
			{
				return this.mergeEndPos;
			}
			set
			{
				bool flag = (value.Row > -1 && value.Col <= -1) || (value.Row <= -1 && value.Col > -1);
				if (flag)
				{
					Debug.Assert(false);
				}
				Debug.Assert(value.Row >= -1 && value.Col >= -1);
				this.mergeEndPos = value;
			}
		}

		internal bool IsStartMergedCell
		{
			get
			{
				return this.InternalPos.Equals(this.MergeStartPos);
			}
		}

		internal bool IsEndMergedCell
		{
			get
			{
				return this.InternalPos.Row == this.mergeEndPos.Row && this.InternalPos.Col == this.mergeEndPos.Col;
			}
		}

		public bool IsMergedCell
		{
			get
			{
				return this.IsStartMergedCell;
			}
		}

		public bool IsValidCell
		{
			get
			{
				return this.rowspan >= 1 && this.colspan >= 1;
			}
		}

		public bool InsideMergedRange
		{
			get
			{
				return this.IsStartMergedCell || (this.rowspan == 0 && this.colspan == 0);
			}
		}

		internal bool FontDirty { get; set; }

		internal Rect TextBounds
		{
			get
			{
				return this.textBounds;
			}
			set
			{
				this.textBounds = value;
			}
		}

		internal float TextBoundsTop
		{
			get
			{
				return this.textBounds.Y;
			}
			set
			{
				this.textBounds.Y = value;
			}
		}

		internal float TextBoundsLeft
		{
			get
			{
				return this.textBounds.X;
			}
			set
			{
				this.textBounds.X = value;
			}
		}

		internal float TextBoundsWidth
		{
			get
			{
				return this.textBounds.Width;
			}
			set
			{
				this.textBounds.Width = value;
			}
		}

		internal float TextBoundsHeight
		{
			get
			{
				return this.textBounds.Height;
			}
			set
			{
				this.textBounds.Height = value;
			}
		}

		internal Rect PrintTextBounds { get; set; }

		internal ReoGridRenderHorAlign RenderHorAlign { get; set; }

		internal short RenderTextColumnSpan { get; set; }

		public Color RenderColor { get; internal set; }

		internal float RenderScaleFactor { get; set; }

		public string Comment
		{
			get
			{
				return this.comment;
			}
			set
			{
				this.comment = value;
				bool flag = this.worksheet != null;
				if (flag)
				{
					this.worksheet.AddCellCommentIfNotExist(this);
					this.worksheet.RequestInvalidate();
				}
			}
		}

		public bool TraceFormulaPrecedents
		{
			get
			{
				return this.Worksheet.IsCellInTracePrecedents(this.InternalPos);
			}
			set
			{
				bool flag = this.Worksheet != null;
				if (flag)
				{
					if (value)
					{
						this.Worksheet.TraceCellPrecedents(this);
					}
					else
					{
						this.Worksheet.RemoveCellTracePrecedents(this);
					}
				}
			}
		}

		public bool TraceFormulaDependents
		{
			get
			{
				bool flag = this.Worksheet == null;
				return !flag && this.Worksheet.IsCellInTracePrecedents(this.InternalPos);
			}
			set
			{
				bool flag = this.Worksheet != null;
				if (flag)
				{
					if (value)
					{
						this.Worksheet.TraceCellDependents(this);
					}
					else
					{
						this.Worksheet.RemoveCellTraceDependents(this);
					}
				}
			}
		}

		internal Font RenderFont { get; set; }

		internal TextDecoration TextDecoration { get; set; }

		[NonSerialized]
		private Worksheet worksheet;

		internal CellPosition InternalPos;

		private short colspan;

		private short rowspan;

		[NonSerialized]
		private Rect bounds;

		private CellDataFormatFlag dataFormat;

		private object dataFormatArgs;

		internal FormulaStatus formulaStatus;

		[NonSerialized]
		internal STNode formulaTree;

		private static int _count;

		[NonSerialized]
		private ReferenceCellStyle referenceStyle;

		private float distributedIndentSpacing;

		private float distributedIndentSpacingPrint;

		private CellBorderProperty borderProperty = null;

		internal ICellBody body;

		private CellPosition mergeStartPos = CellPosition.Empty;

		private CellPosition mergeEndPos = CellPosition.Empty;

		private Rect textBounds;

		private string comment;
	}
}