using System;
using CPF.Drawing;
using CPF.Input;
using CPF.ReoGrid.Drawing;
using CPF.ReoGrid.Interaction;
using CPF.ReoGrid.Main;
using CPF.ReoGrid.Outline;
using CPF.ReoGrid.Rendering;

namespace CPF.ReoGrid.Views
{
	internal class OutlineHeaderPart : View
	{
		public RowOrColumn Flag { get; set; }

		public OutlineHeaderPart(IViewportController vc, RowOrColumn flag) : base(vc)
		{
			this.sheet = vc.Worksheet;
			this.Flag = flag;
		}

		public override void Draw(CellDrawingContext dc)
		{
			IRenderer renderer = dc.Renderer;
			ControlAppearanceStyle controlStyle = this.sheet.workbook.controlAdapter.ControlStyle;
			OutlineCollection<ReoGridOutline> outlineCollection = this.sheet.outlines[this.Flag];
			renderer.BeginDrawHeaderText(1f);
			CPFPen pen = dc.Renderer.GetPen(controlStyle[ControlAppearanceColors.OutlinePanelBorder]);
			Brush brush = dc.Renderer.GetBrush(controlStyle[ControlAppearanceColors.OutlineButtonText]);
			dc.Graphics.FillRectangle(this.bounds, controlStyle[ControlAppearanceColors.OutlinePanelBackground]);
			bool flag = outlineCollection != null;
			if (flag)
			{
				for (int i = 0; i < outlineCollection.Count; i++)
				{
					OutlineGroup<ReoGridOutline> outlineGroup = outlineCollection[i];
					Rect numberButtonBounds = outlineGroup.NumberButtonBounds;
					bool flag2 = this.pressedIndex == i;
					if (flag2)
					{
						numberButtonBounds.Offset(1f, 1f);
					}
					renderer.DrawRectangle(pen, numberButtonBounds);
					renderer.DrawHeaderText((i + 1).ToString(), brush, numberButtonBounds);
				}
			}
			renderer.DrawLine(pen, this.bounds.Right, this.bounds.Top, this.bounds.Right, this.bounds.Bottom);
			renderer.DrawLine(pen, this.bounds.X, this.bounds.Bottom, this.bounds.Right, this.bounds.Bottom);
		}

		public override Point PointToView(Point p)
		{
			return p;
		}

		public override bool OnMouseDown(Point location, MouseButtons buttons, InputModifiers modifiers)
		{
			bool flag = this.bounds.Contains(location);
			if (flag)
			{
				OutlineCollection<ReoGridOutline> outlineCollection = this.sheet.outlines[this.Flag];
				bool flag2 = outlineCollection != null;
				if (flag2)
				{
					for (int i = 0; i < outlineCollection.Count; i++)
					{
						OutlineGroup<ReoGridOutline> outlineGroup = outlineCollection[i];
						bool flag3 = outlineGroup.NumberButtonBounds.Contains(location);
						if (flag3)
						{
							outlineGroup.CollapseAll();
							this.pressedIndex = i;
							for (i--; i >= 0; i--)
							{
								outlineCollection[i].ExpandAll();
							}
							this.SetFocus();
							return true;
						}
					}
				}
			}
			return false;
		}

		public override bool OnMouseUp(Point location, MouseButtons buttons, InputModifiers modifiers)
		{
			this.FreeFocus();
			bool flag = this.pressedIndex >= 0;
			bool result;
			if (flag)
			{
				this.pressedIndex = -1;
				this.sheet.RequestInvalidate();
				result = true;
			}
			else
			{
				result = base.OnMouseUp(location, buttons, modifiers);
			}
			return result;
		}

		public override bool OnMouseMove(Point location, MouseButtons buttons)
		{
			IControlAdapter controlAdapter = this.sheet.controlAdapter;
			if (controlAdapter != null)
			{
				controlAdapter.ChangeCursor(CursorStyle.Selection);
			}
			return base.OnMouseMove(location, buttons);
		}

		protected Worksheet sheet;

		private int pressedIndex = -1;
	}
}