/// <summary>
/// Adds the string point.
/// </summary>
/// <param name="stringCache">The string cache.</param>
/// <param name="index">The index.</param>
/// <param name="stringPointNumericVal">The string point numeric val.</param>
protected static void AddStringPoint(StringCache stringCache, int index, string stringPointNumericVal)
{
StringPoint stringPoint = new StringPoint();
stringPoint.Index = new UInt32Value((uint)index);
stringPoint.NumericValue = new NumericValue(stringPointNumericVal);
stringCache.Append(stringPoint);
}
/// <summary>
/// Gets the string reference.
/// </summary>
/// <param name="formulaText">The formula text.</param>
/// <param name="pointCountVal">The point count val.</param>
/// <returns></returns>
protected static StringReference GetStringReference(string formulaText, int pointCountVal)
{
StringReference stringReference = new StringReference();
Formula formula = new Formula();
formula.Text = formulaText;
StringCache stringCache = new StringCache();
PointCount pointCount = new PointCount()
{
Val = (UInt32Value)(uint)pointCountVal
};
stringCache.Append(pointCount);
stringReference.Append(formula);
stringReference.Append(stringCache);
return(stringReference);
}
/// <summary>
/// Modify/Add categories into chart XML
/// </summary>
/// <param name="column_index">Corresponds to the column index that needs to be modified in chart spreadsheet (Ex: A, B, C, ...)</param>
/// <param name="row_index">Corresponds to the column index that needs to be modified in excel </param>
/// <param name="new_value">Corresponds to the new value we need to insert to the cell </param>
protected override void ModifyChartXML_Categories(string column_index, uint row_index, string new_value)
{
foreach (LineChartSeries linechart_series in chart_part.ChartSpace.Descendants <LineChartSeries>().ToList())
{
CategoryAxisData category_axis_data = linechart_series.Descendants <CategoryAxisData>().FirstOrDefault();
if (category_axis_data == null)
{
// If no StringReference --> Clone one from the 1st (usually we go in this when we create a new BarChartSeries)
BarChartSeries template_barchartseries = chart_part.ChartSpace.Descendants <BarChartSeries>().FirstOrDefault();
CategoryAxisData template_categoryaxisdata = template_barchartseries.Descendants <CategoryAxisData>().FirstOrDefault();
CategoryAxisData new_categoryaxisdata = new CategoryAxisData(template_categoryaxisdata.OuterXml);
linechart_series.Append(new_categoryaxisdata);
}
else
{
StringReference sr = category_axis_data.Descendants <StringReference>().FirstOrDefault();
// If there is a StringReference --> Update its values
StringCache sc = sr.Descendants <StringCache>().First();
try
{
StringPoint sp = sc.Descendants <StringPoint>().ElementAt((int)row_index - 2);
NumericValue nv = sp.Descendants <NumericValue>().First();
nv.Text = new_value;
}
catch (Exception)
{
// Create new data and append to previous XML
sc.PointCount.Val = sc.PointCount.Val + 1;
NumericValue nv = new NumericValue(new_value);
StringPoint sp = new StringPoint(nv);
sp.Index = (uint)sc.Descendants <StringPoint>().ToList().Count;
sc.Append(sp);
// Change fomula range
DocumentFormat.OpenXml.Drawing.Charts.Formula f = sr.Descendants <DocumentFormat.OpenXml.Drawing.Charts.Formula>().FirstOrDefault();
f.Text = worksheet_name + "!$A$2:$A$" + GetRowIndexByNum((int)row_index - 2).ToString();
}
}
}
}
protected void modificaChartData(string FormatoValori, string titoloSerie, out SeriesText seriesText1, out CategoryAxisData categoryAxisData1, out Values values1)
{
seriesText1 = new SeriesText();
StringReference stringReference1 = new StringReference();
Formula formula1 = new Formula();
formula1.Text = "Foglio1!$B$1";
StringCache stringCache1 = new StringCache();
PointCount pointCount1 = new PointCount()
{
Val = (UInt32Value)1U
};
StringPoint stringPoint1 = new StringPoint()
{
Index = (UInt32Value)0U
};
NumericValue numericValue1 = new NumericValue();
numericValue1.Text = titoloSerie;
stringPoint1.Append(numericValue1);
stringCache1.Append(pointCount1);
stringCache1.Append(stringPoint1);
stringReference1.Append(formula1);
stringReference1.Append(stringCache1);
seriesText1.Append(stringReference1);
DataPoint dataPoint1 = new DataPoint();
Index index2 = new Index()
{
Val = (UInt32Value)2U
};
dataPoint1.Append(index2);
//################################i testi ####################################
categoryAxisData1 = new CategoryAxisData();
StringReference stringReference2 = new StringReference();
Formula formula2 = new Formula();
formula2.Text = string.Format("Foglio1!$A$2:$A${0}", valori.Count + 2);
StringCache stringCache2 = new StringCache();
UInt32Value nValori = Convert.ToUInt32(valori.Count);
PointCount pointCount2 = new PointCount()
{
Val = nValori
};
StringPoint[] stringPoints = new StringPoint[nValori];
UInt32Value n = 0;
foreach (KeyValuePair <string, double> item in valori)
{
stringPoints[n] = new StringPoint()
{
Index = (UInt32Value)n
};
NumericValue numericValue2 = new NumericValue();
numericValue2.Text = item.Key;
stringPoints[n].Append(numericValue2);
n += 1;
}
stringCache2.Append(pointCount2);
for (int i = 0; i < n; i++)
{
stringCache2.Append(stringPoints[i]);
}
stringReference2.Append(formula2);
stringReference2.Append(stringCache2);
categoryAxisData1.Append(stringReference2);
//################################i valori####################################
values1 = new Values();
NumberReference numberReference1 = new NumberReference();
Formula formula3 = new Formula();
formula3.Text = string.Format("Foglio1!$B$2:$B${0}", valori.Count + 2);
NumberingCache numberingCache1 = new NumberingCache();
FormatCode formatCode1 = new FormatCode();
formatCode1.Text = FormatoValori; //<-----------------------------------------------------------
PointCount pointCount3 = new PointCount()
{
Val = nValori
};
NumericPoint[] numericPoints = new NumericPoint[nValori];
n = 0;
foreach (KeyValuePair <string, double> item in valori)
{
numericPoints[n] = new NumericPoint()
{
Index = (UInt32Value)n
};
NumericValue numericValue = new NumericValue();
numericValue.Text = item.Value.ToString();
numericValue.Text = numericValue.Text.Replace(",", "."); // devo forzare il formato americano
numericPoints[n].Append(numericValue);
n += 1;
}
numberingCache1.Append(formatCode1);
numberingCache1.Append(pointCount3);
for (int i = 0; i < n; i++)
{
numberingCache1.Append(numericPoints[i]);
}
numberReference1.Append(formula3);
numberReference1.Append(numberingCache1);
values1.Append(numberReference1);
}
public void CreateExcelDoc(string fileName)
{
List <Student> students = new List <Student>();
Initizalize(students);
using (SpreadsheetDocument document = SpreadsheetDocument.Create(fileName, SpreadsheetDocumentType.Workbook))
{
WorkbookPart workbookPart = document.AddWorkbookPart();
workbookPart.Workbook = new Workbook();
WorksheetPart worksheetPart = workbookPart.AddNewPart <WorksheetPart>();
worksheetPart.Worksheet = new Worksheet();
Sheets sheets = workbookPart.Workbook.AppendChild(new Sheets());
Sheet sheet = new Sheet()
{
Id = workbookPart.GetIdOfPart(worksheetPart), SheetId = 1, Name = "Students"
};
SheetData sheetData = worksheetPart.Worksheet.AppendChild(new SheetData());
// Add drawing part to WorksheetPart
DrawingsPart drawingsPart = worksheetPart.AddNewPart <DrawingsPart>();
worksheetPart.Worksheet.Append(new Drawing()
{
Id = worksheetPart.GetIdOfPart(drawingsPart)
});
worksheetPart.Worksheet.Save();
drawingsPart.WorksheetDrawing = new WorksheetDrawing();
sheets.Append(sheet);
workbookPart.Workbook.Save();
// Add a new chart and set the chart language
ChartPart chartPart = drawingsPart.AddNewPart <ChartPart>();
chartPart.ChartSpace = new ChartSpace();
chartPart.ChartSpace.AppendChild(new EditingLanguage()
{
Val = "en-US"
});
Chart chart = chartPart.ChartSpace.AppendChild(new Chart());
chart.AppendChild(new AutoTitleDeleted()
{
Val = true
}); // We don't want to show the chart title
// Create a new Clustered Column Chart
PlotArea plotArea = chart.AppendChild(new PlotArea());
Layout layout = plotArea.AppendChild(new Layout());
BarChart barChart = plotArea.AppendChild(new BarChart(
new BarDirection()
{
Val = new EnumValue <BarDirectionValues>(BarDirectionValues.Column)
},
new BarGrouping()
{
Val = new EnumValue <BarGroupingValues>(BarGroupingValues.Clustered)
},
new VaryColors()
{
Val = false
}
));
// Constructing header
Row row = new Row();
int rowIndex = 1;
row.AppendChild(ConstructCell(string.Empty, CellValues.String));
foreach (var month in Months.Short)
{
row.AppendChild(ConstructCell(month, CellValues.String));
}
// Insert the header row to the Sheet Data
sheetData.AppendChild(row);
rowIndex++;
// Create chart series
for (int i = 0; i < students.Count; i++)
{
BarChartSeries barChartSeries = barChart.AppendChild(new BarChartSeries(
new Index()
{
Val = (uint)i
},
new Order()
{
Val = (uint)i
},
new SeriesText(new NumericValue()
{
Text = students[i].Name
})
));
// Adding category axis to the chart
CategoryAxisData categoryAxisData = barChartSeries.AppendChild(new CategoryAxisData());
// Category
// Constructing the chart category
string formulaCat = "Students!$B$1:$G$1";
StringReference stringReference = categoryAxisData.AppendChild(new StringReference()
{
Formula = new DocumentFormat.OpenXml.Drawing.Charts.Formula()
{
Text = formulaCat
}
});
StringCache stringCache = stringReference.AppendChild(new StringCache());
stringCache.Append(new PointCount()
{
Val = (uint)Months.Short.Length
});
for (int j = 0; j < Months.Short.Length; j++)
{
stringCache.AppendChild(new NumericPoint()
{
Index = (uint)j
}).Append(new NumericValue(Months.Short[j]));
}
}
var chartSeries = barChart.Elements <BarChartSeries>().GetEnumerator();
for (int i = 0; i < students.Count; i++)
{
row = new Row();
row.AppendChild(ConstructCell(students[i].Name, CellValues.String));
chartSeries.MoveNext();
string formulaVal = string.Format("Students!$B${0}:$G${0}", rowIndex);
DocumentFormat.OpenXml.Drawing.Charts.Values values = chartSeries.Current.AppendChild(new DocumentFormat.OpenXml.Drawing.Charts.Values());
NumberReference numberReference = values.AppendChild(new NumberReference()
{
Formula = new DocumentFormat.OpenXml.Drawing.Charts.Formula()
{
Text = formulaVal
}
});
NumberingCache numberingCache = numberReference.AppendChild(new NumberingCache());
numberingCache.Append(new PointCount()
{
Val = (uint)Months.Short.Length
});
for (uint j = 0; j < students[i].Values.Length; j++)
{
var value = students[i].Values[j];
row.AppendChild(ConstructCell(value.ToString(), CellValues.Number));
numberingCache.AppendChild(new NumericPoint()
{
Index = j
}).Append(new NumericValue(value.ToString()));
}
sheetData.AppendChild(row);
rowIndex++;
}
barChart.AppendChild(new DataLabels(
new ShowLegendKey()
{
Val = false
},
new ShowValue()
{
Val = false
},
new ShowCategoryName()
{
Val = false
},
new ShowSeriesName()
{
Val = false
},
new ShowPercent()
{
Val = false
},
new ShowBubbleSize()
{
Val = false
}
));
barChart.Append(new AxisId()
{
Val = 48650112u
});
barChart.Append(new AxisId()
{
Val = 48672768u
});
// Adding Category Axis
plotArea.AppendChild(
new CategoryAxis(
new AxisId()
{
Val = 48650112u
},
new Scaling(new Orientation()
{
Val = new EnumValue <DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new Delete()
{
Val = false
},
new AxisPosition()
{
Val = new EnumValue <AxisPositionValues>(AxisPositionValues.Bottom)
},
new TickLabelPosition()
{
Val = new EnumValue <TickLabelPositionValues>(TickLabelPositionValues.NextTo)
},
new CrossingAxis()
{
Val = 48672768u
},
new Crosses()
{
Val = new EnumValue <CrossesValues>(CrossesValues.AutoZero)
},
new AutoLabeled()
{
Val = true
},
new LabelAlignment()
{
Val = new EnumValue <LabelAlignmentValues>(LabelAlignmentValues.Center)
}
));
// Adding Value Axis
plotArea.AppendChild(
new ValueAxis(
new AxisId()
{
Val = 48672768u
},
new Scaling(new Orientation()
{
Val = new EnumValue <DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new Delete()
{
Val = false
},
new AxisPosition()
{
Val = new EnumValue <AxisPositionValues>(AxisPositionValues.Left)
},
new MajorGridlines(),
new DocumentFormat.OpenXml.Drawing.Charts.NumberingFormat()
{
FormatCode = "General",
SourceLinked = true
},
new TickLabelPosition()
{
Val = new EnumValue <TickLabelPositionValues>(TickLabelPositionValues.NextTo)
},
new CrossingAxis()
{
Val = 48650112u
},
new Crosses()
{
Val = new EnumValue <CrossesValues>(CrossesValues.AutoZero)
},
new CrossBetween()
{
Val = new EnumValue <CrossBetweenValues>(CrossBetweenValues.Between)
}
));
chart.Append(
new PlotVisibleOnly()
{
Val = true
},
new DisplayBlanksAs()
{
Val = new EnumValue <DisplayBlanksAsValues>(DisplayBlanksAsValues.Gap)
},
new ShowDataLabelsOverMaximum()
{
Val = false
}
);
chartPart.ChartSpace.Save();
// Positioning the chart on the spreadsheet
TwoCellAnchor twoCellAnchor = drawingsPart.WorksheetDrawing.AppendChild(new TwoCellAnchor());
twoCellAnchor.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.FromMarker(
new ColumnId("0"),
new ColumnOffset("0"),
new RowId((rowIndex + 2).ToString()),
new RowOffset("0")
));
twoCellAnchor.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.ToMarker(
new ColumnId("8"),
new ColumnOffset("0"),
new RowId((rowIndex + 12).ToString()),
new RowOffset("0")
));
// Append GraphicFrame to TwoCellAnchor
GraphicFrame graphicFrame = twoCellAnchor.AppendChild(new GraphicFrame());
graphicFrame.Macro = string.Empty;
graphicFrame.Append(new NonVisualGraphicFrameProperties(
new NonVisualDrawingProperties()
{
Id = 2u,
Name = "Sample Chart"
},
new NonVisualGraphicFrameDrawingProperties()
));
graphicFrame.Append(new Transform(
new DocumentFormat.OpenXml.Drawing.Offset()
{
X = 0L, Y = 0L
},
new DocumentFormat.OpenXml.Drawing.Extents()
{
Cx = 0L, Cy = 0L
}
));
graphicFrame.Append(new DocumentFormat.OpenXml.Drawing.Graphic(
new DocumentFormat.OpenXml.Drawing.GraphicData(
new ChartReference()
{
Id = drawingsPart.GetIdOfPart(chartPart)
}
)
{
Uri = "http://schemas.openxmlformats.org/drawingml/2006/chart"
}
));
twoCellAnchor.Append(new ClientData());
drawingsPart.WorksheetDrawing.Save();
worksheetPart.Worksheet.Save();
}
}