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Scale Excel columns based on content width

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This commit is contained in:
mwildgoose 2022-08-05 18:32:02 +01:00
parent 2b91df428c
commit f78ede39c9
1 changed files with 15 additions and 2 deletions
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17
Jellyfin.Plugin.Reports/Api/Data/ExcelExport.cs
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@ -119,10 +119,13 @@ namespace Jellyfin.Plugin.Reports.Api.Data
private int numCols;
private int rowCount;
private bool isGrouped;
private int[] colWidths;
private List<int> groupHeaderRows = new();
private ExcelSharedString sharedString;
private StringBuilder sheetXml;
private const string sheetXmlHeader = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><worksheet xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\"><sheetPr><outlinePr summaryBelow=\"0\"/></sheetPr><sheetViews><sheetView showGridLines=\"0\" tabSelected=\"1\" workbookViewId=\"0\"><pane ySplit=\"1\" topLeftCell=\"A2\" activePane=\"bottomLeft\" state=\"frozen\"/></sheetView></sheetViews><sheetFormatPr defaultRowHeight=\"15\" outlineLevelRow=\"1\"/><cols><col min=\"1\" max=\"16384\" width=\"15\" style=\"0\"/></cols><sheetData>";
private const int minColWidth = 10;
private const int maxColWidth = 50;
private const string sheetXmlHeader = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><worksheet xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\"><sheetPr><outlinePr summaryBelow=\"0\"/></sheetPr><sheetViews><sheetView showGridLines=\"0\" tabSelected=\"1\" workbookViewId=\"0\"><pane ySplit=\"1\" topLeftCell=\"A2\" activePane=\"bottomLeft\" state=\"frozen\"/></sheetView></sheetViews><sheetFormatPr defaultRowHeight=\"15\" outlineLevelRow=\"1\"/>";
private enum RowType
{
sheetHeader,
@ -135,7 +138,8 @@ namespace Jellyfin.Plugin.Reports.Api.Data
this.sharedString = sharedString;
isGrouped = reportResult.IsGrouped;
numCols = reportResult.Headers.Count;
sheetXml = new StringBuilder(sheetXmlHeader);
colWidths = Enumerable.Repeat(minColWidth, numCols).ToArray();
sheetXml = new StringBuilder();
AddRow(reportResult.Headers.Select(s => s.Name).ToArray(), RowType.sheetHeader);
}
@ -161,6 +165,10 @@ namespace Jellyfin.Plugin.Reports.Api.Data
public override void WriteXml(StreamWriter writer)
{
writer.Write(sheetXmlHeader);
writer.Write("<cols>");
writer.Write(string.Join(null, colWidths.Select((width,idx) => $"<col min=\"{idx+1}\" max=\"{idx+1}\" width=\"{width}\" style=\"0\"/>")));
writer.Write($"</cols><sheetData>");
writer.Write(sheetXml);
writer.Write("</sheetData>");
if (isGrouped)
@ -200,6 +208,11 @@ namespace Jellyfin.Plugin.Reports.Api.Data
else
{
sheetXml.Append(CultureInfo.InvariantCulture, $"\" t=\"s\"><v>{sharedString.AddString(cellStr)}</v></c>");
if (!rowType.Equals(RowType.groupHeader))
{
int colWidth = (int)Math.Ceiling(cellStr.Length * (rowType.Equals(RowType.standard) ? 1 : 1.2));
colWidths[colIdx] = Math.Max(colWidths[colIdx], Math.Min(colWidth, maxColWidth));
}
}
}
sheetXml.Append("</row>");