/// <summary>
/// Creates a deep copy of this <see cref="ChartModel"/> and associated chart in the worksheet.
/// </summary>
/// <param name="targetWorksheet">The worksheet into which the clone will be placed. If null, the cloned <see cref="ChartModel"/> will be based on the original <see cref="Worksheet"/>/></param>
/// <returns>The <see cref="ChartModel"/> that represents the chart</returns>
public ChartModel Clone(Worksheet targetWorksheet)
{
// If no target worksheet is supplied, clone in situ (ie. on the current worksheet)
Worksheet cloneToWorksheet = targetWorksheet == null ? this.worksheet : targetWorksheet;
// Name of the source and target worksheet (for debugging)
string sourceWorksheetName = this.worksheet.WorksheetPart.GetSheetName();
string targetWorksheetName = cloneToWorksheet.WorksheetPart.GetSheetName();
System.Diagnostics.Debug.Print("ChartModel - Cloning chart on worksheet '{0}' into '{1}'", sourceWorksheetName, targetWorksheetName);
// Create a DrawingPart in the target worksheet if it does not already exist
if (cloneToWorksheet.WorksheetPart.DrawingsPart == null)
{
var drawingsPart = cloneToWorksheet.WorksheetPart.AddNewPart <DrawingsPart>();
drawingsPart.WorksheetDrawing = new DrawingSpreadsheet.WorksheetDrawing();
// if a drawings part is being created then we need to add a Drawing to the end of the targetworksheet
DocumentFormat.OpenXml.Spreadsheet.Drawing drawing = new DocumentFormat.OpenXml.Spreadsheet.Drawing()
{
Id = cloneToWorksheet.WorksheetPart.GetIdOfPart(cloneToWorksheet.WorksheetPart.DrawingsPart)
};
cloneToWorksheet.Append(drawing);
}
// Take copy elements
ChartPart chartPart2 = cloneToWorksheet.WorksheetPart.DrawingsPart.AddNewPart <ChartPart>();
chartPart2.FeedData(this.chartPart.GetStream());
// Clone the anchor for the template chart to get a new chart anchor
DrawingSpreadsheet.TwoCellAnchor anchor2 = (DrawingSpreadsheet.TwoCellAnchor) this.anchor.CloneNode(true);
// Insert the cloned anchor into the worksheet drawing of the DrawingsPart.
cloneToWorksheet.WorksheetPart.DrawingsPart.WorksheetDrawing.Append(anchor2);
// Update the ChartReference in the Anchor 2 (TwoCellAnchor -> GraphicFrame -> Graphic -> GraphicData -> ChartReference)
DrawingCharts.ChartReference chartReference2 = anchor2.Descendants <DrawingCharts.ChartReference>().FirstOrDefault();
chartReference2.Id = cloneToWorksheet.WorksheetPart.DrawingsPart.GetIdOfPart(chartPart2);
// Get information about the cloned chart
IEnumerable <OpenXmlCompositeElement> chartElements = GetChartElements(chartPart2);
// Wrap and return as a model
ChartModel chartModel = new ChartModel(chartPart2, anchor2)
{
Worksheet = cloneToWorksheet,
ChartId = this.ChartId,
ChartElements = chartElements,
IsValid = true,
};
return(chartModel);
}
public static ChartPart cloneChart(WorksheetPart worksheetPart, string chartTitle, int posLi, int posCol, int largeLi, int largeCol)
{
//Obtention de tous les ChartParts dans une enumeration
DrawingsPart dp = worksheetPart.DrawingsPart;
IEnumerable <ChartPart> cps = dp.ChartParts;
//Recherche la ChartPart qui porte le titre correspondant
ChartPart b = null;
foreach (ChartPart cp in cps)
{
if (cp.ChartSpace.Descendants <Chart.Chart>().First().Descendants <Chart.Title>().First().Descendants <DocumentFormat.OpenXml.Drawing.Run>().First().Text.Text == chartTitle)
{
b = cp;
}
}
DrawingsPart a = worksheetPart.DrawingsPart;
//Ajout de la nouvelle partie et copie
ChartPart x = a.AddNewPart <ChartPart>();
Stream stream = b.GetStream();
x.FeedData(stream);
string id = a.GetIdOfPart(b);
//Copie de l'ancre associée au graph original
Draw.TwoCellAnchor newAnchor = null;
DocumentFormat.OpenXml.Drawing.Spreadsheet.WorksheetDrawing wsd = a.WorksheetDrawing;
foreach (Draw.TwoCellAnchor tca in wsd.Elements <Draw.TwoCellAnchor>())
{
string tmp = tca.Descendants <Chart.ChartReference>().First().Id;
if (tmp == id)
{
newAnchor = (Draw.TwoCellAnchor)tca.CloneNode(true);
}
}
//positionnement de la nouvelle ancre
int r = Convert.ToInt32(newAnchor.ToMarker.RowId.Text) - Convert.ToInt32(newAnchor.FromMarker.RowId.Text);
int c = Convert.ToInt32(newAnchor.ToMarker.ColumnId.Text) - Convert.ToInt32(newAnchor.FromMarker.ColumnId.Text);
newAnchor.FromMarker.ColumnId = new Draw.ColumnId()
{
Text = "" + largeCol * posCol
};
newAnchor.ToMarker.ColumnId = new Draw.ColumnId()
{
Text = "" + (c + largeCol * posCol)
};
newAnchor.FromMarker.RowId = new Draw.RowId()
{
Text = "" + largeLi * posLi
};
newAnchor.ToMarker.RowId = new Draw.RowId()
{
Text = "" + (r + largeLi * posLi)
};
newAnchor.Descendants <Chart.ChartReference>().First().Id = a.GetIdOfPart(x);
wsd.Append(newAnchor);
return(x);
}
