public static CChart GetInstance(A.Charts.ChartSpace chartSpace) { CChart cch = new CChart(); // c:chart A.Charts.Chart chart = chartSpace.Descendants <A.Charts.Chart>().FirstOrDefault(); //chart type string chrtype = chart?.PlotArea?.ChildElements[1]?.LocalName; cch.Type = chrtype; //chart title cch.Title = chart?.Title?.InnerText; //c:PlotArea cch.PlotArea = ChPlotArea.GetInstance(chartSpace); return(cch); }
public ChartAdapter(ChartPart chartPart) { _chart = chartPart.ChartSpace.GetFirstChild <DocumentFormat.OpenXml.Drawing.Charts.Chart>() ?? throw new ArgumentException("ChartPart contains no Chart object", nameof(chartPart)); _package = chartPart.EmbeddedPackagePart; if (_package != null) { using var stream = _package.GetStream(); var embeddedBytes = new byte[stream.Length]; stream.Position = 0; stream.Read(embeddedBytes, 0, (int)stream.Length); _embeddedDocument = new Xlsx(embeddedBytes); _sheetsMap = _embeddedDocument.Document?.WorkbookPart?.Workbook?.Sheets?.ChildElements.OfType <Sheet>() .Where(x => !string.IsNullOrEmpty(x.Name?.Value)) .ToDictionary(x => x.Name.Value); if (_sheetsMap == null) { throw new ArgumentException("Embedded document is corrupted."); } } }
/// <summary> /// draw the 2D bar chart /// index start from 1 /// </summary> /// <param name="startx">index start from 1 for row</param> /// <param name="starty">index start from 1 for column</param> /// <param name="columnCount"></param> /// <param name="rowCount"></param> public void InsertChartInSpreadsheet(WorksheetPart sheetpart, string sheetName, int startx, int starty, int columnCount, int rowCount, int chart_pointx, int chart_pointy) { WorksheetPart worksheetPart = CurrentWorksheetPart; #region SDK How to example code // Add a new drawing to the worksheet. DrawingsPart drawingsPart = worksheetPart.AddNewPart <DrawingsPart>(); worksheetPart.Worksheet.Append(new DocumentFormat.OpenXml.Spreadsheet.Drawing() { Id = worksheetPart.GetIdOfPart(drawingsPart) }); worksheetPart.Worksheet.Save(); // Add a new chart and set the chart language to English-US. ChartPart chartPart = drawingsPart.AddNewPart <ChartPart>(); chartPart.ChartSpace = new ChartSpace(); chartPart.ChartSpace.Append(new EditingLanguage() { Val = new StringValue("en-US") }); DocumentFormat.OpenXml.Drawing.Charts.Chart chart = chartPart.ChartSpace.AppendChild <DocumentFormat.OpenXml.Drawing.Charts.Chart>( new DocumentFormat.OpenXml.Drawing.Charts.Chart()); // Create a new clustered column chart. PlotArea plotArea = chart.AppendChild <PlotArea>(new PlotArea()); Layout layout = plotArea.AppendChild <Layout>(new Layout()); BarChart barChart = plotArea.AppendChild <BarChart>(new BarChart(new BarDirection() { Val = new EnumValue <BarDirectionValues>(BarDirectionValues.Column) }, new BarGrouping() { Val = new EnumValue <BarGroupingValues>(BarGroupingValues.Clustered) })); #endregion string sheetName = GetCurrentSheetName(); string columnName = GetColumnName(starty - 1); string formulaString = string.Format("{0}!${1}${2}:${3}${4}", sheetName, columnName, startx + 1, columnName, startx + rowCount - 1); CategoryAxisData cad = new CategoryAxisData(); cad.StringReference = new StringReference() { Formula = new DocumentFormat.OpenXml.Drawing.Charts.Formula(formulaString) }; uint i = 0; for (int sIndex = 1; sIndex < columnCount; sIndex++) { columnName = GetColumnName(starty + sIndex - 1); formulaString = string.Format("{0}!${1}${2}", sheetName, columnName, startx); SeriesText st = new SeriesText(); st.StringReference = new StringReference() { Formula = new DocumentFormat.OpenXml.Drawing.Charts.Formula(formulaString) }; formulaString = string.Format("{0}!${1}${2}:${3}${4}", sheetName, columnName, startx + 1, columnName, startx + rowCount - 1); DocumentFormat.OpenXml.Drawing.Charts.Values v = new DocumentFormat.OpenXml.Drawing.Charts.Values(); v.NumberReference = new NumberReference() { Formula = new DocumentFormat.OpenXml.Drawing.Charts.Formula(formulaString) }; BarChartSeries barChartSeries = barChart.AppendChild <BarChartSeries>(new BarChartSeries(new Index() { Val = new UInt32Value(i) }, new Order() { Val = new UInt32Value(i) }, st, v)); if (sIndex == 1) { barChartSeries.AppendChild(cad); } i++; } #region SDK how to example Code barChart.Append(new AxisId() { Val = new UInt32Value(48650112u) }); barChart.Append(new AxisId() { Val = new UInt32Value(48672768u) }); // Add the Category Axis. CategoryAxis catAx = plotArea.AppendChild <CategoryAxis>(new CategoryAxis(new AxisId() { Val = new UInt32Value(48650112u) }, new Scaling(new Orientation() { Val = new EnumValue <DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>( DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax) }), new AxisPosition() { Val = new EnumValue <AxisPositionValues>(AxisPositionValues.Bottom) }, new TickLabelPosition() { Val = new EnumValue <TickLabelPositionValues>(TickLabelPositionValues.NextTo) }, new CrossingAxis() { Val = new UInt32Value(48672768U) }, new Crosses() { Val = new EnumValue <CrossesValues>(CrossesValues.AutoZero) }, new AutoLabeled() { Val = new BooleanValue(true) }, new LabelAlignment() { Val = new EnumValue <LabelAlignmentValues>(LabelAlignmentValues.Center) }, new LabelOffset() { Val = new UInt16Value((ushort)100) })); // Add the Value Axis. ValueAxis valAx = plotArea.AppendChild <ValueAxis>(new ValueAxis(new AxisId() { Val = new UInt32Value(48672768u) }, new Scaling(new Orientation() { Val = new EnumValue <DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>( DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax) }), new AxisPosition() { Val = new EnumValue <AxisPositionValues>(AxisPositionValues.Left) }, new MajorGridlines(), new DocumentFormat.OpenXml.Drawing.Charts.NumberFormat() { FormatCode = new StringValue("General"), SourceLinked = new BooleanValue(true) }, new TickLabelPosition() { Val = new EnumValue <TickLabelPositionValues>(TickLabelPositionValues.NextTo) }, new CrossingAxis() { Val = new UInt32Value(48650112U) }, new Crosses() { Val = new EnumValue <CrossesValues>(CrossesValues.AutoZero) }, new CrossBetween() { Val = new EnumValue <CrossBetweenValues>(CrossBetweenValues.Between) })); // Add the chart Legend. Legend legend = chart.AppendChild <Legend>(new Legend(new LegendPosition() { Val = new EnumValue <LegendPositionValues>(LegendPositionValues.Right) }, new Layout())); chart.Append(new PlotVisibleOnly() { Val = new BooleanValue(true) }); // Save the chart part. chartPart.ChartSpace.Save(); // Position the chart on the worksheet using a TwoCellAnchor object. drawingsPart.WorksheetDrawing = new WorksheetDrawing(); TwoCellAnchor twoCellAnchor = drawingsPart.WorksheetDrawing.AppendChild <TwoCellAnchor>(new TwoCellAnchor()); twoCellAnchor.Append(new FromMarker(new ColumnId("9"), new ColumnOffset("581025"), new RowId("17"), new RowOffset("114300"))); twoCellAnchor.Append(new ToMarker(new ColumnId("17"), new ColumnOffset("276225"), new RowId("32"), new RowOffset("0"))); // Append a GraphicFrame to the TwoCellAnchor object. DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame graphicFrame = twoCellAnchor.AppendChild <DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame>( new DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame()); graphicFrame.Macro = ""; graphicFrame.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualGraphicFrameProperties( new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualDrawingProperties() { Id = new UInt32Value(2u), Name = "Chart 1" }, new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualGraphicFrameDrawingProperties())); graphicFrame.Append(new Transform(new Offset() { X = 0L, Y = 0L }, new Extents() { Cx = 0L, Cy = 0L })); graphicFrame.Append(new Graphic(new GraphicData(new ChartReference() { Id = drawingsPart.GetIdOfPart(chartPart) }) { Uri = "http://schemas.openxmlformats.org/drawingml/2006/chart" })); twoCellAnchor.Append(new ClientData()); // Save the WorksheetDrawing object. drawingsPart.WorksheetDrawing.Save(); #endregion }