using System;
using System.Diagnostics;
using CPF.Drawing;
using CPF.ReoGrid.Events;
using CPF.ReoGrid.Graphics;
using CPF.ReoGrid.Interaction;
using CPF.ReoGrid.Rendering;

namespace CPF.ReoGrid.CellTypes
{
	[Serializable]
	public class CheckBoxCell : ContentCellBody
	{
		public CheckBoxCell() : this(false)
		{
		}

		public CheckBoxCell(bool initChecked)
		{
			this.initChecked = initChecked;
		}

		public override void OnSetup(Cell cell)
		{
			bool flag = cell != null;
			if (flag)
			{
				bool flag2 = this.initChecked;
				if (flag2)
				{
					cell.Data = true;
				}
				cell.Style.HAlign = ReoGridHorAlign.Center;
				cell.Style.VAlign = ReoGridVerAlign.Middle;
			}
		}

		protected virtual bool IsPressed { get; set; }

		public override bool OnMouseDown(CellMouseEventArgs e)
		{
			Rect contentBounds = this.ContentBounds;
			Point relativePosition = e.RelativePosition;
			bool flag = contentBounds.Contains(relativePosition);
			bool result;
			if (flag)
			{
				this.IsPressed = true;
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		public override bool OnMouseUp(CellMouseEventArgs e)
		{
			bool isPressed = this.IsPressed;
			bool result;
			if (isPressed)
			{
				this.IsPressed = false;
				Rect contentBounds = this.ContentBounds;
				Point relativePosition = e.RelativePosition;
				bool flag = contentBounds.Contains(relativePosition);
				if (flag)
				{
					this.ToggleCheckStatus();
					this.RaiseClickEvent();
				}
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler Click;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler CheckChanged;

		protected virtual void RaiseClickEvent()
		{
			bool flag = this.Click != null;
			if (flag)
			{
				this.Click(this, null);
			}
		}

		protected virtual void RaiseCheckChangedEvent()
		{
			EventHandler checkChanged = this.CheckChanged;
			if (checkChanged != null)
			{
				checkChanged(this, null);
			}
		}

		protected override void OnContentPaint(CellDrawingContext dc)
		{
			IGraphics graphics = dc.Graphics;
			bool isPressed = this.IsPressed;
			if (isPressed)
			{
				graphics.FillRectangle(this.ContentBounds, StaticResources.SystemColor_Control);
			}
			graphics.DrawRectangle(this.ContentBounds, StaticResources.SystemColor_ControlDark);
			bool flag = this.isChecked;
			if (flag)
			{
				float x = this.ContentBounds.X;
				float y = this.ContentBounds.Y;
				float width = this.ContentBounds.Width;
				float height = this.ContentBounds.Height;
				PathGeometry pathGeometry = new PathGeometry();
				pathGeometry.BeginFigure(x + width * 0.167f, y + height * 0.546f);
				pathGeometry.LineTo(x + width * 0.444f, y + height * 0.712f);
				pathGeometry.LineTo(x + width * 0.833f, y + height * 0.157f);
				pathGeometry.LineTo(x + width * 0.944f, y + height * 0.323f);
				pathGeometry.LineTo(x + width * 0.5f, y + height * 0.934f);
				pathGeometry.LineTo(x + width * 0.08f, y + height * 0.712f);
				pathGeometry.EndFigure(true);
				graphics.FillPath(StaticResources.SystemColor_WindowText, pathGeometry);
			}
		}

		public override bool OnStartEdit()
		{
			return false;
		}

		public override object OnSetData(object data)
		{
			this.IsChecked = (data is bool && (bool)data);
			return base.OnSetData(data);
		}

		public virtual void ToggleCheckStatus()
		{
			bool flag = base.Cell != null && this.DisableWhenCellReadonly && base.Cell.IsReadOnly;
			if (!flag)
			{
				this.IsChecked = !this.IsChecked;
			}
		}

		public virtual bool IsChecked
		{
			get
			{
				return this.isChecked;
			}
			set
			{
				bool flag = this.isChecked != value;
				if (flag)
				{
					this.isChecked = value;
					bool flag2 = base.Cell != null && (base.Cell.InnerData as bool?).GetValueOrDefault() != value;
					if (flag2)
					{
						base.Cell.Data = value;
					}
					EventHandler checkChanged = this.CheckChanged;
					if (checkChanged != null)
					{
						checkChanged(this, null);
					}
				}
			}
		}

		public override bool OnKeyDown(KeyCode keyCode)
		{
			bool flag = keyCode == KeyCode.Space;
			bool result;
			if (flag)
			{
				this.IsPressed = true;
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		public override bool OnKeyUp(KeyCode keyCode)
		{
			bool isPressed = this.IsPressed;
			bool result;
			if (isPressed)
			{
				this.IsPressed = false;
				bool flag = keyCode == KeyCode.Space;
				if (flag)
				{
					this.ToggleCheckStatus();
				}
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		public override ICellBody Clone()
		{
			return new CheckBoxCell();
		}

		private bool initChecked = false;

		protected bool isChecked;
	}
}