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

namespace CPF.ReoGrid.Views
{
	internal class CellsForegroundView : Viewport
	{
		public CellsForegroundView(IViewportController vc) : base(vc)
		{
		}

		public override IView GetViewByPoint(Point p)
		{
			return null;
		}

		public override void Draw(CellDrawingContext dc)
		{
			Worksheet worksheet = base.ViewportController.Worksheet;
			bool flag = worksheet == null || worksheet.controlAdapter == null;
			if (!flag)
			{
				IGraphics graphics = dc.Graphics;
				ControlAppearanceStyle controlStyle = worksheet.workbook.controlAdapter.ControlStyle;
				switch (worksheet.operationStatus)
				{
				case OperationStatus.AdjustRowHeight:
				{
					bool flag2 = worksheet.currentRowHeightChanging >= 0;
					if (flag2)
					{
						RowHeader rowHeader = worksheet.rows[worksheet.currentRowHeightChanging];
						float num = (float)rowHeader.Top * this.scaleFactor;
						float num2 = ((float)rowHeader.Top + worksheet.headerAdjustNewValue) * this.scaleFactor;
						float x = base.ScrollViewLeft * this.scaleFactor;
						float x2 = base.ScrollViewLeft * this.scaleFactor + this.Width;
						graphics.DrawLine(x, num, x2, num, Color.Black, 1f, LineStyles.Dot);
						graphics.DrawLine(x, num2, x2, num2, Color.Black, 1f, LineStyles.Dot);
					}
					break;
				}
				case OperationStatus.AdjustColumnWidth:
				{
					bool flag3 = worksheet.currentColWidthChanging >= 0;
					if (flag3)
					{
						ColumnHeader columnHeader = worksheet.cols[worksheet.currentColWidthChanging];
						float num3 = (float)columnHeader.Left * this.scaleFactor;
						float num4 = ((float)columnHeader.Left + worksheet.headerAdjustNewValue) * this.scaleFactor;
						float y = base.ScrollViewTop * this.scaleFactor;
						float y2 = base.ScrollViewTop * this.scaleFactor + this.Height;
						graphics.DrawLine(num3, y, num3, y2, Color.Black, 1f, LineStyles.Dot);
						graphics.DrawLine(num4, y, num4, y2, Color.Black, 1f, LineStyles.Dot);
					}
					break;
				}
				case OperationStatus.DragSelectionFillSerial:
				case OperationStatus.SelectionRangeMove:
				case OperationStatus.SelectionRangeMovePrepare:
				{
					bool flag4 = worksheet.draggingSelectionRange != RangePosition.Empty && dc.DrawMode == DrawMode.View && worksheet.HasSettings(WorksheetSettings.Edit_DragSelectionToMoveCells);
					if (flag4)
					{
						Rect scaledAndClippedRangeRect = CellsViewport.GetScaledAndClippedRangeRect(this, worksheet.draggingSelectionRange.StartPos, worksheet.draggingSelectionRange.EndPos, controlStyle.SelectionBorderWidth);
						scaledAndClippedRangeRect.Offset(-1f, -1f);
						Color color = controlStyle.Colors[ControlAppearanceColors.SelectionBorder];
						dc.Graphics.DrawRectangle(scaledAndClippedRangeRect, ColorUtility.FromAlphaColor(byte.MaxValue, color), controlStyle.SelectionBorderWidth, LineStyles.Solid);
					}
					break;
				}
				}
			}
		}
	}
}