public XlsxWriterInternal(Workbook workbook)
{
_workbook = workbook;
_relationshipCounter = new RelationshipCounter();
_sharedStrings = new SharedStrings();
_package = new XlsxPackage();
_styles = GetXlsxStyles();
}
public XlsxWriterInternal(Workbook workbook, CompressionOption compressionOption)
{
_workbook = workbook;
_relationshipCounter = new RelationshipCounter();
_sharedStrings = new SharedStrings();
_package = new XlsxPackage { CompressionOption = compressionOption };
_styles = GetXlsxStyles();
}
public XlsxWriterInternal(Workbook workbook, CompressionOption compressionOption)
{
_workbook = workbook;
_relationshipCounter = new RelationshipCounter();
_sharedStrings = new SharedStrings();
_package = new XlsxPackage {
CompressionOption = compressionOption
};
_styles = GetXlsxStyles();
}
private static Dictionary <int, XlsxRow> GetXlsxRows(Worksheet sheet, IList <XlsxCellStyle> styles,
SharedStrings sharedStrings)
{
var rows = new Dictionary <int, XlsxRow>();
if (!Enum.IsDefined(typeof(LargeNumberHandlingMode), sheet.LargeNumberHandlingMode))
{
throw new InvalidOperationException(
$"Invalid value for {nameof(Worksheet.LargeNumberHandlingMode)} in sheet {sheet.Name}: {sheet.LargeNumberHandlingMode}");
}
// The order matters!
foreach (var cell in sheet.Cells.OrderBy(c => c.Key.Row).ThenBy(c => c.Key.Column))
{
if (!rows.ContainsKey(cell.Key.Row))
{
rows[cell.Key.Row] = new XlsxRow {
RowIndex = cell.Key.Row + 1
};
}
var styleIndex = styles.IndexOf(cell.Value.XlsxCellStyle) + 1;
var xc = new XlsxCell
{
StyleIndex = styleIndex,
Reference = cell.Key.ToString()
};
switch (cell.Value.CellType)
{
case CellType.Text:
xc.CellType = XlsxCellTypes.SharedString;
xc.Value = sharedStrings.GetStringIndex((string)cell.Value.Value);
break;
case CellType.Formula:
xc.CellType = XlsxCellTypes.FormulaString;
xc.Value = (string)cell.Value.Value;
break;
case CellType.Number:
// Fun: Excel can't handle large numbers as numbers
// https://support.microsoft.com/en-us/help/2643223/long-numbers-are-displayed-incorrectly-in-excel
var numVal = Convert.ToDecimal(cell.Value.Value);
if (sheet.LargeNumberHandlingMode != LargeNumberHandlingMode.None &&
Cell.IsLargeNumber(numVal))
{
switch (sheet.LargeNumberHandlingMode)
{
case LargeNumberHandlingMode.StoreAsText:
xc.CellType = XlsxCellTypes.SharedString;
xc.Value = sharedStrings.GetStringIndex(
numVal.ToString(System.Globalization.CultureInfo.InvariantCulture));
break;
default:
throw new InvalidOperationException(
"Unhandled LargeNumberHandlingMode: " + sheet.LargeNumberHandlingMode);
}
}
else
{
xc.CellType = XlsxCellTypes.Number;
xc.Value = Convert.ToDecimal(cell.Value.Value)
.ToString(System.Globalization.CultureInfo.InvariantCulture);
}
break;
case CellType.Date:
xc.CellType = XlsxCellTypes.Number;
if (cell.Value.Value != null)
{
xc.Value = ((DateTime)cell.Value.Value).ToOleAutDate();
}
break;
default:
throw new ArgumentException("Unknown Cell Type: " + cell.Value.CellType + " in cell " +
cell.Key.ToString() + " of " + sheet.Name);
}
rows[cell.Key.Row].Cells.Add(xc);
}
return(rows);
}
/// <summary>
/// Create the xl/worksheets/sheetX.xml file
/// </summary>
/// <param name="sheet"></param>
/// <param name="sheetIndex"></param>
/// <param name="relationshipCounter"></param>
/// <param name="styles"></param>
/// <param name="ignoredErrors"></param>
/// <param name="sharedStrings"></param>
/// <param name="sheetRels">If this worksheet needs an xl/worksheets/_rels/sheetX.xml.rels file</param>
/// <returns></returns>
private static Relationship CreateSheetFile(Worksheet sheet, int sheetIndex,
RelationshipCounter relationshipCounter, IList <XlsxCellStyle> styles,
XlsxIgnoredErrorCollection ignoredErrors, SharedStrings sharedStrings, out XmlFile sheetRels)
{
var rows = GetXlsxRows(sheet, styles, sharedStrings);
var file = new XmlFile
{
ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml",
Path = "xl/worksheets/sheet" + sheetIndex + ".xml"
};
var doc = new XDocument(new XElement(Namespaces.workbook + "worksheet",
new XAttribute("xmlns", Namespaces.workbook),
new XAttribute(XNamespace.Xmlns + "r", Namespaces.relationship),
new XAttribute(XNamespace.Xmlns + "mc", Namespaces.mc),
new XAttribute(XNamespace.Xmlns + "x14ac", Namespaces.x14ac),
new XAttribute(XNamespace.Xmlns + "or", Namespaces.officeRelationships),
new XAttribute(Namespaces.mc + "Ignorable", "x14ac")
));
WriteSheetViews(sheet, doc);
var sheetFormatPr = new XElement(Namespaces.workbook + "sheetFormatPr");
sheetFormatPr.Add(new XAttribute("defaultRowHeight", 15));
doc.Root?.Add(sheetFormatPr);
if (sheet.ColumnWidths.Any())
{
var cols = new XElement(Namespaces.workbook + "cols");
foreach (var cw in sheet.ColumnWidths)
{
var rowId = cw.Key + 1;
var col = new XElement(Namespaces.workbook + "col",
new XAttribute("min", rowId),
new XAttribute("max", rowId),
new XAttribute("width", (decimal)cw.Value + ExcelColumnWidthDifference),
new XAttribute("customWidth", 1));
cols.Add(col);
}
doc.Root?.Add(cols);
}
var sheetData = new XElement(Namespaces.workbook + "sheetData");
foreach (var row in rows.OrderBy(rk => rk.Key))
{
var re = new XElement(Namespaces.workbook + "row", new XAttribute("r", row.Value.RowIndex));
foreach (var cell in row.Value.Cells)
{
var ce = new XElement(Namespaces.workbook + "c",
new XAttribute("r", cell.Reference),
new XAttribute("t", cell.CellType),
new XAttribute("s", cell.StyleIndex));
ce.Add(cell.CellType == XlsxCellTypes.FormulaString
? new XElement(Namespaces.workbook + "f", cell.Value)
: new XElement(Namespaces.workbook + "v", cell.Value));
re.Add(ce);
}
sheetData.Add(re);
}
doc.Root?.Add(sheetData);
sheetRels = null;
var hyperlinks = sheet.Cells.Where(c => c.Value != null && !string.IsNullOrEmpty(c.Value.Hyperlink))
.ToList();
if (hyperlinks.Count > 0)
{
sheetRels = new XmlFile
{
Path = "xl/worksheets/_rels/sheet" + sheetIndex + ".xml.rels",
ContentType = "application/vnd.openxmlformats-package.relationships+xml"
};
var hlRelsElem = new XElement(Namespaces.relationship + "Relationships");
var hlElem = new XElement(Namespaces.workbook + "hyperlinks");
for (int i = 0; i <= hyperlinks.Count - 1; i++)
{
string hyperLinkRelId = "rId" + (i + 1);
var link = hyperlinks[i];
var linkElem = new XElement(Namespaces.workbook + "hyperlink",
new XAttribute("ref", link.Key.ToString()),
new XAttribute(Namespaces.officeRelationships + "id", hyperLinkRelId)
);
hlElem.Add(linkElem);
hlRelsElem.Add(new XElement(Namespaces.relationship + "Relationship",
new XAttribute("Id", hyperLinkRelId),
new XAttribute("Type",
"http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink"),
new XAttribute("Target", link.Value.Hyperlink),
new XAttribute("TargetMode", "External")));
}
doc.Root?.Add(hlElem);
sheetRels.Content = new XDocument();
sheetRels.Content.Add(hlRelsElem);
}
var pageSetup = new XElement(Namespaces.workbook + "pageSetup");
pageSetup.Add(new XAttribute("orientation",
sheet.PageSetup.Orientation == Orientation.Portrait ? "portrait" : "landscape"));
doc.Root?.Add(pageSetup);
WritePageBreaks(sheet, doc);
WriteIgnoredErrors(ignoredErrors, doc);
file.Content = doc;
var rel = new Relationship(relationshipCounter)
{
Target = file,
Type = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet"
};
return(rel);
}
// ReSharper disable once MemberHidesStaticFromOuterClass
internal static void Save(Workbook workbook, Stream outputStream, bool compress)
{
var relationshipCounter = new RelationshipCounter();
var package = new XlsxPackage();
// Must be done before calling GetXlsxStyles as it may add styles
foreach (var sheet in workbook.Sheets)
{
HandleLargeNumbers(sheet);
}
ExtractWorkbookSpecialXmlParts(workbook, out var styles, out var ignoredErrors);
var sharedStrings = new SharedStrings();
// docProps/core.xml
var cp = CreateCoreFileProperties(workbook, relationshipCounter);
package.XmlFiles.Add(cp.Target);
package.Relationships.Add(cp);
// xl/styles.xml
var stylesXml = StyleWriter.CreateStyleXml(styles);
var stylesRel = new Relationship(relationshipCounter)
{
Type = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles",
Target = stylesXml
};
package.XmlFiles.Add(stylesXml);
package.WorkbookRelationships.Add(stylesRel);
// xl/worksheets/sheetX.xml
var sheetPackageInfos = new List <SheetPackageInfo>();
var i = 0;
foreach (var sheet in workbook.Sheets)
{
i++;
var rel = CreateSheetFile(sheet, i, relationshipCounter, styles, ignoredErrors[sheet],
sharedStrings, out var sheetRels);
if (sheetRels != null)
{
package.XmlFiles.Add(sheetRels);
}
package.XmlFiles.Add(rel.Target);
package.WorkbookRelationships.Add(rel);
var sheetPackageInfo = new SheetPackageInfo
{
RelationshipId = rel.Id,
SheetId = i,
SheetName = sheet.Name
};
if (sheet.PageSetup.PrintRepeatColumns > 0)
{
sheetPackageInfo.RepeatCols = "'" + sheet.Name + "'!$A:$" +
CellAddressHelper.ColToReference(sheet.PageSetup.PrintRepeatColumns - 1);
}
if (sheet.PageSetup.PrintRepeatRows > 0)
{
sheetPackageInfo.RepeatRows = "'" + sheet.Name + "'!$1:$" + sheet.PageSetup.PrintRepeatRows;
}
sheetPackageInfos.Add(sheetPackageInfo);
}
// xl/sharedStrings.xml
if (sharedStrings.Count > 0)
{
var ssx = sharedStrings.ToRelationship(relationshipCounter);
package.XmlFiles.Add(ssx.Target);
package.WorkbookRelationships.Add(ssx);
}
// xl/workbook.xml
var wb = CreateWorkbookFile(sheetPackageInfos, relationshipCounter);
package.XmlFiles.Add(wb.Target);
package.Relationships.Add(wb);
// xl/_rels/workbook.xml.rels
package.SaveToStream(outputStream, compress);
}