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

namespace CPF.ReoGrid.CellTypes
{
	[Serializable]
	public class RadioButtonCell : CheckBoxCell
	{
		public virtual RadioButtonGroup RadioGroup
		{
			get
			{
				return this.radioGroup;
			}
			set
			{
				bool flag = value == null;
				if (flag)
				{
					this.RadioGroup = null;
				}
				else
				{
					bool flag2 = !value.Contains(this);
					if (flag2)
					{
						value.AddRadioButton(this);
					}
					this.radioGroup = value;
				}
			}
		}

		public override bool IsChecked
		{
			get
			{
				return this.isChecked;
			}
			set
			{
				bool flag = this.isChecked != value;
				if (flag)
				{
					this.isChecked = value;
					bool flag2 = this.isChecked && this.radioGroup != null;
					if (flag2)
					{
						foreach (RadioButtonCell radioButtonCell in this.radioGroup.RadioButtons)
						{
							bool flag3 = radioButtonCell != this;
							if (flag3)
							{
								radioButtonCell.IsChecked = false;
							}
						}
					}
					bool flag4 = base.Cell != null && (base.Cell.InnerData as bool?).GetValueOrDefault() != value;
					if (flag4)
					{
						base.Cell.Data = value;
					}
					this.RaiseCheckChangedEvent();
				}
			}
		}

		public override void ToggleCheckStatus()
		{
			bool flag = !this.isChecked || this.radioGroup == null;
			if (flag)
			{
				base.ToggleCheckStatus();
			}
		}

		protected override void OnContentPaint(CellDrawingContext dc)
		{
			IGraphics graphics = dc.Graphics;
			float x = this.ContentBounds.Center.X;
			float y = this.ContentBounds.Center.Y;
			float num = this.ContentBounds.Width / 2f;
			float num2 = this.ContentBounds.Height / 2f;
			float num3 = x - num / 2f;
			float num4 = y - num2 / 2f;
			Rect rectangle = new Rect(ref num3, ref num4, ref num, ref num2);
			graphics.DrawEllipse(StaticResources.SystemColor_ControlDark, rectangle);
			bool isPressed = this.IsPressed;
			if (isPressed)
			{
				graphics.FillEllipse(StaticResources.SystemColor_Control, rectangle);
			}
			bool isChecked = this.isChecked;
			if (isChecked)
			{
				float num5 = this.ContentBounds.Width / 4f;
				float num6 = this.ContentBounds.Height / 4f;
				num3 = x - num5 / 2f;
				num4 = y - num6 / 2f;
				rectangle = new Rect(ref num3, ref num4, ref num5, ref num6);
				graphics.FillEllipse(StaticResources.SystemColor_WindowText, rectangle);
			}
		}

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

		private RadioButtonGroup radioGroup;
	}
}