PIbd-23_Baryshev_D.A._Garage/ProjectGarage/Reports/ExcelBuilder.cs

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