protected virtual void WriteRelationshipPart(OpenXmlWriter writer)
{
List <OpenXmlPart> allParts = new List <OpenXmlPart>();
allParts.AddRange(this.Parts);
allParts.AddRange(this.ReferencedParts);
// write part relationships
if (allParts.Count > 0 || _externalRelationships.Count > 0)
{
string relFullName = Path.Combine(Path.Combine(this.TargetDirectoryAbsolute, REL_FOLDER), TargetName + TargetExt + REL_EXTENSION);
writer.AddPart(relFullName);
writer.WriteStartDocument();
writer.WriteStartElement("Relationships", OpenXmlNamespaces.RelationsshipsPackage);
foreach (ExternalRelationship rel in _externalRelationships)
{
writer.WriteStartElement("Relationship", OpenXmlNamespaces.RelationsshipsPackage);
writer.WriteAttributeString("Id", rel.Id);
writer.WriteAttributeString("Type", rel.RelationshipType);
if (Uri.IsWellFormedUriString(rel.Target, UriKind.RelativeOrAbsolute))
{
if (rel.TargetUri.IsAbsoluteUri)
{
if (rel.TargetUri.IsFile)
{
//reform the URI path for Word
//Word does not accept forward slahes in the path of a local file
writer.WriteAttributeString("Target", "file:///" + rel.TargetUri.AbsolutePath.Replace("/", "\\"));
}
else
{
writer.WriteAttributeString("Target", rel.Target.ToString());
}
}
else
{
writer.WriteAttributeString("Target", Uri.EscapeUriString(rel.Target.ToString()));
}
}
else
{
writer.WriteAttributeString("Target", Uri.EscapeUriString(rel.Target));
}
writer.WriteAttributeString("TargetMode", "External");
writer.WriteEndElement();
}
foreach (OpenXmlPart part in allParts)
{
writer.WriteStartElement("Relationship", OpenXmlNamespaces.RelationsshipsPackage);
writer.WriteAttributeString("Id", part.RelIdToString);
writer.WriteAttributeString("Type", part.RelationshipType);
// write the target relative to the current part
writer.WriteAttributeString("Target", "/" + part.TargetFullName.Replace('\\', '/'));
writer.WriteEndElement();
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
}