/**
* Retrieve the zip entry of the core properties part.
*
* @throws OpenXml4NetException
* Throws if internal error occurs.
*/
public static ZipEntry GetCorePropertiesZipEntry(ZipPackage pkg)
{
PackageRelationship corePropsRel = pkg.GetRelationshipsByType(
PackageRelationshipTypes.CORE_PROPERTIES).GetRelationship(0);
if (corePropsRel == null)
return null;
ZipEntry ze = new ZipEntry(corePropsRel.TargetUri.OriginalString);
return ze;
}
/**
* Retrieve the zip entry of the core properties part.
*
* @throws OpenXml4NetException
* Throws if internal error occurs.
*/
public static ZipEntry GetCorePropertiesZipEntry(ZipPackage pkg)
{
PackageRelationship corePropsRel = pkg.GetRelationshipsByType(
PackageRelationshipTypes.CORE_PROPERTIES).GetRelationship(0);
if (corePropsRel == null)
{
return(null);
}
ZipEntry ze = new ZipEntry(corePropsRel.TargetUri.OriginalString);
return(ze);
}
internal static void LoadCrtx(Stream stream, out XmlDocument chartXml, out XmlDocument styleXml, out XmlDocument colorsXml, out ZipPackagePart themePart, string fileName)
{
chartXml = null;
styleXml = null;
colorsXml = null;
themePart = null;
try
{
ZipPackage p = new ZipPackage(stream);
var chartRel = p.GetRelationshipsByType("http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument").FirstOrDefault();
if (chartRel != null)
{
var chartPart = p.GetPart(chartRel.TargetUri);
chartXml = new XmlDocument();
chartXml.Load(chartPart.GetStream());
var rels = chartPart.GetRelationships();
foreach (var rel in rels)
{
var part = p.GetPart(UriHelper.ResolvePartUri(rel.SourceUri, rel.TargetUri));
switch (rel.RelationshipType)
{
case ExcelPackage.schemaThemeOverrideRelationships:
themePart = part;
break;
case ExcelPackage.schemaChartStyleRelationships:
styleXml = new XmlDocument();
styleXml.Load(part.GetStream());
break;
case ExcelPackage.schemaChartColorStyleRelationships:
colorsXml = new XmlDocument();
colorsXml.Load(part.GetStream());
break;
}
}
}
}
catch (Exception ex)
{
throw new InvalidDataException($"{fileName} has an invalid format", ex);
}
}
/// <summary>
/// Loads a .thmx file as a stream. Thmx files are exported from a Spread Sheet Application like Excel
/// </summary>
/// <param name="thmxStream">The thmx file as a stream</param>
public void Load(Stream thmxStream)
{
ZipPackage p = new ZipPackage(thmxStream);
var themeManagerRel = p.GetRelationshipsByType("http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument").FirstOrDefault();
if (themeManagerRel != null)
{
var themeManager = p.GetPart(themeManagerRel.TargetUri);
var themeRel = themeManager.GetRelationshipsByType(ExcelPackage.schemaThemeRelationships).FirstOrDefault();
if (themeRel != null)
{
var themePart = p.GetPart(UriHelper.ResolvePartUri(themeRel.SourceUri, themeRel.TargetUri));
var themeXml = new XmlDocument();
XmlHelper.LoadXmlSafe(themeXml, themePart.GetStream());
Load(themeXml);
foreach (var rel in themePart.GetRelationships())
{
var partToCopy = p.GetPart(UriHelper.ResolvePartUri(rel.SourceUri, rel.TargetUri));
var uri = UriHelper.ResolvePartUri(_theme.ThemeUri, rel.TargetUri);
var part = _wb._package.ZipPackage.CreatePart(uri, partToCopy.ContentType);
var stream = part.GetStream();
var b = partToCopy.GetStream().ToArray();
stream.Write(b, 0, b.Length);
stream.Flush();
_theme.Part.CreateRelationship(uri, TargetMode.Internal, rel.RelationshipType);
}
SetNormalStyle();
}
else
{
throw new InvalidDataException("Thmx file is corrupt. Can't find theme part");
}
}
else
{
throw new InvalidDataException("Thmx file is corrupt.");
}
}
