private static void CopyChartObjects(ChartPart oldChart, ChartPart newChart)
{
foreach (XElement dataReference in newChart.GetXDocument().Descendants(ns_c + "externalData"))
{
string relId = dataReference.Attribute(ns_r + "id").Value;
EmbeddedPackagePart oldPart = (EmbeddedPackagePart)oldChart.GetPartById(relId);
EmbeddedPackagePart newPart = newChart.AddEmbeddedPackagePart(oldPart.ContentType);
using (Stream oldObject = oldPart.GetStream(FileMode.Open, FileAccess.Read))
using (Stream newObject = newPart.GetStream(FileMode.Create, FileAccess.ReadWrite))
{
int byteCount;
byte[] buffer = new byte[65536];
while ((byteCount = oldObject.Read(buffer, 0, 65536)) != 0)
newObject.Write(buffer, 0, byteCount);
}
dataReference.Attribute(ns_r + "id").Value = newChart.GetIdOfPart(newPart);
}
}
private static void CopyChartObjects(ChartPart oldChart, ChartPart newChart)
{
foreach (XElement dataReference in newChart.GetXDocument().Descendants(C.externalData))
{
string relId = dataReference.Attribute(R.id).Value;
try
{
EmbeddedPackagePart oldPart = (EmbeddedPackagePart)oldChart.GetPartById(relId);
EmbeddedPackagePart newPart = newChart.AddEmbeddedPackagePart(oldPart.ContentType);
using (Stream oldObject = oldPart.GetStream(FileMode.Open, FileAccess.Read))
using (Stream newObject = newPart.GetStream(FileMode.Create, FileAccess.ReadWrite))
{
int byteCount;
byte[] buffer = new byte[65536];
while ((byteCount = oldObject.Read(buffer, 0, 65536)) != 0)
newObject.Write(buffer, 0, byteCount);
}
dataReference.Attribute(R.id).Value = newChart.GetIdOfPart(newPart);
}
catch (ArgumentOutOfRangeException)
{
ExternalRelationship oldRelationship = oldChart.GetExternalRelationship(relId);
Guid g = Guid.NewGuid();
string newRid = "R" + g.ToString().Replace("-", "");
var oldRel = oldChart.ExternalRelationships.FirstOrDefault(h => h.Id == relId);
if (oldRel == null)
throw new DocumentBuilderInternalException("Internal Error 0007");
newChart.AddExternalRelationship(oldRel.RelationshipType, oldRel.Uri, newRid);
dataReference.Attribute(R.id).Value = newRid;
}
}
}
internal void FeedDataChartPart(ChartPart NewPart, ChartPart ExistingPart)
{
using (StreamReader sr = new StreamReader(ExistingPart.GetStream()))
{
using (StreamWriter sw = new StreamWriter(NewPart.GetStream(FileMode.Create)))
{
sw.Write(sr.ReadToEnd());
}
}
ImagePart imgpNew;
if (ExistingPart.ChartDrawingPart != null)
{
NewPart.AddNewPart<ChartDrawingPart>(ExistingPart.GetIdOfPart(ExistingPart.ChartDrawingPart));
using (StreamReader sr = new StreamReader(ExistingPart.ChartDrawingPart.GetStream()))
{
using (StreamWriter sw = new StreamWriter(NewPart.ChartDrawingPart.GetStream(FileMode.Create)))
{
sw.Write(sr.ReadToEnd());
}
}
// why does a ChartPart contain a ChartDrawingPart that contains a ChartPart??
// Does it never end??
if (ExistingPart.ChartDrawingPart.ChartPart != null)
{
NewPart.ChartDrawingPart.AddNewPart<ChartPart>(ExistingPart.ChartDrawingPart.GetIdOfPart(ExistingPart.ChartDrawingPart.ChartPart));
this.FeedDataChartPart(NewPart.ChartDrawingPart.ChartPart, ExistingPart.ChartDrawingPart.ChartPart);
}
foreach (ImagePart imgp in ExistingPart.ChartDrawingPart.ImageParts)
{
imgpNew = NewPart.ChartDrawingPart.AddImagePart(imgp.ContentType, ExistingPart.ChartDrawingPart.GetIdOfPart(imgp));
this.FeedDataImagePart(imgpNew, imgp);
}
}
if (ExistingPart.EmbeddedPackagePart != null)
{
NewPart.AddEmbeddedPackagePart(ExistingPart.EmbeddedPackagePart.ContentType);
this.FeedDataEmbeddedPackagePart(NewPart.EmbeddedPackagePart, ExistingPart.EmbeddedPackagePart);
}
foreach (ImagePart imgp in ExistingPart.ImageParts)
{
imgpNew = NewPart.AddImagePart(imgp.ContentType, ExistingPart.GetIdOfPart(imgp));
this.FeedDataImagePart(imgpNew, imgp);
}
if (ExistingPart.ThemeOverridePart != null)
{
NewPart.AddNewPart<ThemeOverridePart>(ExistingPart.GetIdOfPart(ExistingPart.ThemeOverridePart));
this.FeedDataThemeOverridePart(NewPart.ThemeOverridePart, ExistingPart.ThemeOverridePart);
}
}