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

namespace CPF.ReoGrid.Views
{
	internal class LeadHeaderView : View
	{
		public LeadHeaderView(ViewportController vc) : base(vc)
		{
			this.sheet = vc.worksheet;
		}

		public override void Draw(CellDrawingContext dc)
		{
			bool flag = this.bounds.Width <= 0f || this.bounds.Height <= 0f || this.sheet.controlAdapter == null;
			if (!flag)
			{
				IGraphics graphics = dc.Graphics;
				ControlAppearanceStyle controlStyle = this.sheet.workbook.controlAdapter.ControlStyle;
				graphics.FillRectangle(this.bounds, controlStyle.Colors[ControlAppearanceColors.LeadHeadNormal]);
				Color startColor = this.sheet.isLeadHeadSelected ? controlStyle.Colors[ControlAppearanceColors.LeadHeadIndicatorStart] : controlStyle.Colors[ControlAppearanceColors.LeadHeadSelected];
				Color endColor = controlStyle.Colors[ControlAppearanceColors.LeadHeadIndicatorEnd];
				dc.Renderer.DrawLeadHeadArrow(this.bounds, startColor, endColor);
			}
		}

		public override bool OnMouseDown(Point location, MouseButtons buttons, InputModifiers modifiers)
		{
			OperationStatus operationStatus = this.sheet.operationStatus;
			OperationStatus operationStatus2 = operationStatus;
			if (operationStatus2 == OperationStatus.Default)
			{
				bool flag = this.sheet.selectionMode > WorksheetSelectionMode.None;
				if (flag)
				{
					this.sheet.SelectRange(RangePosition.EntireRange);
					bool flag2 = buttons == MouseButtons.Right;
					if (flag2)
					{
						this.sheet.controlAdapter.ShowContextMenuStrip(ViewTypes.LeadHeader, location);
					}
					return true;
				}
			}
			return false;
		}

		public override bool OnMouseMove(Point location, MouseButtons buttons)
		{
			this.sheet.controlAdapter.ChangeCursor(CursorStyle.Selection);
			return false;
		}

		protected Worksheet sheet;
	}
}