using System;
using System.Diagnostics;
using CPF.Drawing;
using CPF.ReoGrid.Events;

namespace CPF.ReoGrid
{
	public class RowHeader : ReoGridHeader
	{
		internal RowHeader(Worksheet sheet) : base(sheet)
		{
		}

		public int Top { get; internal set; }

		internal ushort InnerHeight { get; set; }

		public ushort Height
		{
			get
			{
				return this.InnerHeight;
			}
			set
			{
				this.VerifyWorksheet();
				base.Worksheet.SetRowsHeight(this.Row, 1, value);
			}
		}

		internal ushort LastHeight { get; set; }

		public int Bottom
		{
			get
			{
				return this.Top + (int)this.InnerHeight;
			}
			internal set
			{
				int num = value - this.Top;
				bool flag = num < 0;
				if (flag)
				{
					num = 0;
				}
				this.InnerHeight = (ushort)num;
			}
		}

		internal int Row { get; set; }

		public override int Index
		{
			get
			{
				return this.Row;
			}
		}

		public string Text
		{
			get
			{
				return this.text;
			}
			set
			{
				this.text = value;
				bool flag = base.Worksheet != null;
				if (flag)
				{
					base.Worksheet.RequestInvalidate();
				}
			}
		}

		public Color? TextColor
		{
			get
			{
				return this.textColor;
			}
			set
			{
				bool flag = this.textColor != value;
				if (flag)
				{
					this.textColor = value;
					bool flag2 = base.Worksheet != null;
					if (flag2)
					{
						base.Worksheet.RequestInvalidate();
					}
				}
			}
		}

		internal WorksheetRangeStyle InnerStyle { get; set; }

		public RowHeaderStyle Style
		{
			get
			{
				bool flag = this.refStyle == null;
				if (flag)
				{
					this.refStyle = new RowHeaderStyle(base.Worksheet, this);
				}
				return this.refStyle;
			}
		}

		public bool IsAutoHeight { get; set; }

		public override bool IsVisible
		{
			get
			{
				return this.InnerHeight > 0;
			}
			set
			{
				this.VerifyWorksheet();
				if (value)
				{
					base.Worksheet.ShowRows(this.Row, 1);
				}
				else
				{
					base.Worksheet.HideRows(this.Row, 1);
				}
			}
		}

		private void VerifyWorksheet()
		{
			bool flag = base.Worksheet == null;
			if (flag)
			{
				throw new Exception("Row header must be associated to a grid instance.");
			}
		}

		public void FitHeightToCells(bool byAction = false)
		{
			base.Worksheet.AutoFitRowHeight(this.Row, byAction);
		}

		internal RowHeader Clone(Worksheet newSheet)
		{
			return new RowHeader(newSheet)
			{
				Top = this.Top,
				InnerHeight = this.InnerHeight,
				InnerStyle = ((this.InnerStyle == null) ? null : WorksheetRangeStyle.Clone(this.InnerStyle)),
				IsAutoHeight = this.IsAutoHeight,
				TextColor = this.TextColor,
				text = this.text,
				Body = base.Body,
				Row = this.Row,
				LastHeight = this.LastHeight
			};
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RowsHeightChangedEventArgs> HeightChanged;

		internal void RaiseHeightChangedEvent()
		{
			bool flag = this.HeightChanged != null;
			if (flag)
			{
				this.HeightChanged(this, new RowsHeightChangedEventArgs(this.Row, 1, (int)this.InnerHeight));
			}
		}

		private string text;

		private Color? textColor;

		private RowHeaderStyle refStyle = null;
	}
}