321 lines
11 KiB
C#
321 lines
11 KiB
C#
using DocumentFormat.OpenXml.Packaging;
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using DocumentFormat.OpenXml.Spreadsheet;
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using DocumentFormat.OpenXml;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace ProjectGarage.Reports;
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public class ExcelBuilder
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{
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private readonly string _filePath;
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private readonly SheetData _sheetData;
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private readonly MergeCells _mergeCells;
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private readonly Columns _columns;
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private uint _rowIndex = 0;
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public ExcelBuilder(string filePath)
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{
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if (string.IsNullOrWhiteSpace(filePath))
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{
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throw new ArgumentNullException(nameof(filePath));
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}
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if (File.Exists(filePath))
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{
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File.Delete(filePath);
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}
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_filePath = filePath;
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_sheetData = new SheetData();
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_mergeCells = new MergeCells();
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_columns = new Columns();
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_rowIndex = 1;
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}
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public ExcelBuilder AddHeader(string header, int startIndex, int count)
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{
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CreateCell(startIndex, _rowIndex, header,
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StyleIndex.BoldTextWithBorder);
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for (int i = startIndex + 1; i < startIndex + count; ++i)
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{
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CreateCell(i, _rowIndex, "", StyleIndex.SimpleTextWithoutBorder);
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}
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_mergeCells.Append(new MergeCell()
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{
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Reference =
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new
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StringValue($"{GetExcelColumnName(startIndex)}{_rowIndex}:{GetExcelColumnName(startIndex
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+ count - 1)}{_rowIndex}")
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});
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_rowIndex++;
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return this;
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}
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public ExcelBuilder AddParagraph(string text, int columnIndex)
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{
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CreateCell(columnIndex, _rowIndex++, text,
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StyleIndex.SimpleTextWithBorder);
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return this;
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}
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public ExcelBuilder AddTable(int[] columnsWidths, List<string[]> data)
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{
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if (columnsWidths == null || columnsWidths.Length == 0)
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{
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throw new ArgumentNullException(nameof(columnsWidths));
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}
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if (data == null || data.Count == 0)
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{
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throw new ArgumentNullException(nameof(data));
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}
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if (data.Any(x => x.Length != columnsWidths.Length))
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{
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throw new InvalidOperationException("widths.Length != data.Length");
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}
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uint counter = 1;
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int coef = 2;
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_columns.Append(columnsWidths.Select(x => new Column
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{
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Min = counter,
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Max = counter++,
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Width = x * coef,
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CustomWidth = true
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}));
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for (var j = 0; j < data.First().Length; ++j)
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{
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CreateCell(j, _rowIndex, data.First()[j],
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StyleIndex.BoldTextWithBorder);
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}
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_rowIndex++;
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for (var i = 1; i < data.Count - 1; ++i)
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{
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for (var j = 0; j < data[i].Length; ++j)
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{
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CreateCell(j, _rowIndex, data[i][j],
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StyleIndex.SimpleTextWithBorder);
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}
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_rowIndex++;
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}
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for (var j = 0; j < data.Last().Length; ++j)
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{
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CreateCell(j, _rowIndex, data.Last()[j],
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StyleIndex.BoldTextWithBorder);
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}
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_rowIndex++;
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return this;
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}
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public void Build()
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{
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using var spreadsheetDocument = SpreadsheetDocument.Create(_filePath,
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SpreadsheetDocumentType.Workbook);
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var workbookpart = spreadsheetDocument.AddWorkbookPart();
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GenerateStyle(workbookpart);
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workbookpart.Workbook = new Workbook();
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var worksheetPart = workbookpart.AddNewPart<WorksheetPart>();
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worksheetPart.Worksheet = new Worksheet();
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if (_columns.HasChildren)
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{
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worksheetPart.Worksheet.Append(_columns);
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}
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worksheetPart.Worksheet.Append(_sheetData);
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var sheets =
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spreadsheetDocument.WorkbookPart!.Workbook.AppendChild(new Sheets());
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var sheet = new Sheet()
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{
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Id =
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spreadsheetDocument.WorkbookPart.GetIdOfPart(worksheetPart),
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SheetId = 1,
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Name = "Лист 1"
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};
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sheets.Append(sheet);
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if (_mergeCells.HasChildren)
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{
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worksheetPart.Worksheet.InsertAfter(_mergeCells,
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worksheetPart.Worksheet.Elements<SheetData>().First());
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}
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}
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private static void GenerateStyle(WorkbookPart workbookPart)
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{
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var workbookStylesPart =
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workbookPart.AddNewPart<WorkbookStylesPart>();
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workbookStylesPart.Stylesheet = new Stylesheet();
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var fonts = new Fonts()
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{
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Count = 2,
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KnownFonts = BooleanValue.FromBoolean(true)
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};
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fonts.Append(new DocumentFormat.OpenXml.Spreadsheet.Font
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{
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FontSize = new FontSize() { Val = 11 },
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FontName = new FontName() { Val = "Calibri" },
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FontFamilyNumbering = new FontFamilyNumbering() { Val = 2 },
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FontScheme = new FontScheme()
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{
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Val = new EnumValue<FontSchemeValues>(FontSchemeValues.Minor)
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}
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});
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fonts.Append(new DocumentFormat.OpenXml.Spreadsheet.Font
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{
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FontSize = new FontSize() { Val = 11 },
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FontName = new FontName() { Val = "Calibri" },
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FontFamilyNumbering = new FontFamilyNumbering() { Val = 2 },
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FontScheme = new FontScheme()
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{
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Val = new EnumValue<FontSchemeValues>(FontSchemeValues.Minor)
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},
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Bold = new Bold() { Val = true }
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});
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workbookStylesPart.Stylesheet.Append(fonts);
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// Default Fill
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var fills = new Fills() { Count = 1 };
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fills.Append(new Fill
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{
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PatternFill = new PatternFill()
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{
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PatternType = new
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EnumValue<PatternValues>(PatternValues.None)
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}
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});
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workbookStylesPart.Stylesheet.Append(fills);
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// Default Border
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var borders = new Borders() { Count = 2 };
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borders.Append(new Border
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{
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LeftBorder = new LeftBorder(),
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RightBorder = new RightBorder(),
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TopBorder = new TopBorder(),
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BottomBorder = new BottomBorder(),
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DiagonalBorder = new DiagonalBorder()
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});
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// TODO добавить настройку с границами
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borders.Append(new Border
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{
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LeftBorder = new LeftBorder() { Style = BorderStyleValues.Thin },
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RightBorder = new RightBorder() { Style = BorderStyleValues.Thin },
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TopBorder = new TopBorder() { Style = BorderStyleValues.Thin },
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BottomBorder = new BottomBorder() { Style = BorderStyleValues.Thin },
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DiagonalBorder = new DiagonalBorder()
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});
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workbookStylesPart.Stylesheet.Append(borders);
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// Default cell format and a date cell format
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var cellFormats = new CellFormats() { Count = 4 };
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cellFormats.Append(new CellFormat
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{
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NumberFormatId = 0,
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FormatId = 0,
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FontId = 0,
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BorderId = 0,
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FillId = 0,
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Alignment = new Alignment()
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{
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Horizontal = HorizontalAlignmentValues.Left,
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Vertical = VerticalAlignmentValues.Center,
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WrapText = true
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}
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});
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// TODO дополнить форматы
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cellFormats.Append(new CellFormat
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{
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NumberFormatId = 0,
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FormatId = 0,
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FontId = 1,
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BorderId = 0,
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FillId = 0,
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Alignment = new Alignment()
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{
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Horizontal = HorizontalAlignmentValues.Left,
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Vertical = VerticalAlignmentValues.Center,
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WrapText = true
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}
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});
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cellFormats.Append(new CellFormat
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{
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NumberFormatId = 0,
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FormatId = 0,
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FontId = 0,
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BorderId = 1,
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FillId = 0,
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Alignment = new Alignment()
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{
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Horizontal = HorizontalAlignmentValues.Left,
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Vertical = VerticalAlignmentValues.Center,
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WrapText = true
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}
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});
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cellFormats.Append(new CellFormat
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{
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NumberFormatId = 0,
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FormatId = 0,
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FontId = 1,
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BorderId = 1,
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FillId = 0,
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Alignment = new Alignment()
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{
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Horizontal = HorizontalAlignmentValues.Left,
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Vertical = VerticalAlignmentValues.Center,
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WrapText = true
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}
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});
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workbookStylesPart.Stylesheet.Append(cellFormats);
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}
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private enum StyleIndex
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{
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SimpleTextWithoutBorder = 0,
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// TODO дополнить стили
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BoldTextWithoutBorder = 1,
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SimpleTextWithBorder = 2,
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BoldTextWithBorder = 3,
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}
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private void CreateCell(int columnIndex, uint rowIndex, string text,
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StyleIndex styleIndex)
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{
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var columnName = GetExcelColumnName(columnIndex);
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var cellReference = columnName + rowIndex;
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var row = _sheetData.Elements<Row>().FirstOrDefault(r => r.RowIndex!
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== rowIndex);
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if (row == null)
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{
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row = new Row() { RowIndex = rowIndex };
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_sheetData.Append(row);
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}
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var newCell = row.Elements<Cell>()
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.FirstOrDefault(c => c.CellReference != null &&
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c.CellReference.Value == columnName + rowIndex);
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if (newCell == null)
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{
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Cell? refCell = null;
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foreach (Cell cell in row.Elements<Cell>())
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{
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if (cell.CellReference?.Value != null &&
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cell.CellReference.Value.Length == cellReference.Length)
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{
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if (string.Compare(cell.CellReference.Value,
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cellReference, true) > 0)
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{
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refCell = cell;
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break;
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}
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}
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}
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newCell = new Cell() { CellReference = cellReference };
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row.InsertBefore(newCell, refCell);
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}
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newCell.CellValue = new CellValue(text);
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newCell.DataType = CellValues.String;
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newCell.StyleIndex = (uint)styleIndex;
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}
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private static string GetExcelColumnName(int columnNumber)
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{
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columnNumber += 1;
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int dividend = columnNumber;
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string columnName = string.Empty;
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int modulo;
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while (dividend > 0)
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{
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modulo = (dividend - 1) % 26;
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columnName = Convert.ToChar(65 + modulo).ToString() +
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columnName;
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dividend = (dividend - modulo) / 26;
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}
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return columnName;
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}
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}
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