/// <summary>
/// Creates an instance of a <see cref="ExcelPivotCacheRecords"/>.
/// </summary>
/// <param name="ns">The namespace of the worksheet.</param>
/// <param name="package">The <see cref="Packaging.ZipPackage"/> of the Excel package.</param>
/// <param name="tableId">The <see cref="ExcelPivotTable"/>'s ID.</param>
/// <param name="cacheDefinition">The cache definition of the pivot table.</param>
public ExcelPivotCacheRecords(XmlNamespaceManager ns, Packaging.ZipPackage package, ref int tableId, ExcelPivotCacheDefinition cacheDefinition) : base(ns, null)
{
if (ns == null)
{
throw new ArgumentNullException(nameof(ns));
}
if (package == null)
{
throw new ArgumentNullException(nameof(package));
}
if (cacheDefinition == null)
{
throw new ArgumentNullException(nameof(cacheDefinition));
}
if (tableId < 1)
{
throw new ArgumentOutOfRangeException(nameof(tableId));
}
// CacheRecord. Create an empty one.
this.Uri = XmlHelper.GetNewUri(package, $"/xl/pivotCache/{ExcelPivotCacheRecords.Name}{{0}}.xml", ref tableId);
var cacheRecord = new XmlDocument();
cacheRecord.LoadXml($"<{ExcelPivotCacheRecords.Name} xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\" count=\"0\" />");
this.Part = package.CreatePart(this.Uri, ExcelPackage.schemaPivotCacheRecords);
this.CacheRecordsXml = cacheRecord;
cacheRecord.Save(this.Part.GetStream());
base.TopNode = cacheRecord.FirstChild;
this.CacheDefinition = cacheDefinition;
}
private XmlElement CreateDrawingXml()
{
if (DrawingXml.DocumentElement == null)
{
DrawingXml.LoadXml(string.Format("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><xdr:wsDr xmlns:xdr=\"{0}\" xmlns:a=\"{1}\" />", ExcelPackage.schemaSheetDrawings, ExcelPackage.schemaDrawings));
Packaging.ZipPackage package = Worksheet._package.Package;
//Check for existing part, issue #100
var id = Worksheet.SheetID;
do
{
_uriDrawing = new Uri(string.Format("/xl/drawings/drawing{0}.xml", id++), UriKind.Relative);
}while (package.PartExists(_uriDrawing));
_part = package.CreatePart(_uriDrawing, "application/vnd.openxmlformats-officedocument.drawing+xml", _package.Compression);
_part.SaveXml(DrawingXml);
package.Flush();
_drawingRelation = Worksheet.Part.CreateRelationship(UriHelper.GetRelativeUri(Worksheet.WorksheetUri, _uriDrawing), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/drawing");
XmlElement e = (XmlElement)Worksheet.CreateNode("d:drawing");
//XmlElement e = Worksheet.WorksheetXml.SelectSingleNode("d:drawing", );
e.SetAttribute("id", ExcelPackage.schemaRelationships, _drawingRelation.Id);
//Worksheet.WorksheetXml.DocumentElement.AppendChild(e);
package.Flush();
}
XmlNode colNode = _drawingsXml.SelectSingleNode("//xdr:wsDr", NameSpaceManager);
XmlElement drawNode;
if (this.Worksheet is ExcelChartsheet)
{
drawNode = _drawingsXml.CreateElement("xdr", "absoluteAnchor", ExcelPackage.schemaSheetDrawings);
XmlElement posNode = _drawingsXml.CreateElement("xdr", "pos", ExcelPackage.schemaSheetDrawings);
posNode.SetAttribute("y", "0");
posNode.SetAttribute("x", "0");
drawNode.AppendChild(posNode);
XmlElement extNode = _drawingsXml.CreateElement("xdr", "ext", ExcelPackage.schemaSheetDrawings);
extNode.SetAttribute("cy", "6072876");
extNode.SetAttribute("cx", "9299263");
drawNode.AppendChild(extNode);
colNode.AppendChild(drawNode);
}
else
{
drawNode = _drawingsXml.CreateElement("xdr", "twoCellAnchor", ExcelPackage.schemaSheetDrawings);
colNode.AppendChild(drawNode);
//Add from position Element;
XmlElement fromNode = _drawingsXml.CreateElement("xdr", "from", ExcelPackage.schemaSheetDrawings);
drawNode.AppendChild(fromNode);
fromNode.InnerXml = "<xdr:col>0</xdr:col><xdr:colOff>0</xdr:colOff><xdr:row>0</xdr:row><xdr:rowOff>0</xdr:rowOff>";
//Add to position Element;
XmlElement toNode = _drawingsXml.CreateElement("xdr", "to", ExcelPackage.schemaSheetDrawings);
drawNode.AppendChild(toNode);
toNode.InnerXml = "<xdr:col>10</xdr:col><xdr:colOff>0</xdr:colOff><xdr:row>10</xdr:row><xdr:rowOff>0</xdr:rowOff>";
}
return(drawNode);
}
private Uri GetNewUri(Packaging.ZipPackage package, string sUri)
{
Uri uri;
do
{
uri = new Uri(string.Format(sUri, _id++), UriKind.Relative);
}while (package.PartExists(uri));
return(uri);
}
private XmlElement CreateDrawingXml()
{
if (this.DrawingXml.OuterXml == "")
{
this.DrawingXml.LoadXml(string.Format("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><xdr:wsDr xmlns:xdr=\"{0}\" xmlns:a=\"{1}\" />", ExcelPackage.schemaSheetDrawings, ExcelPackage.schemaDrawings));
this._uriDrawing = XmlHelper.GetNewUri(this.Package.Package, "/xl/drawings/drawing{0}.xml");
Packaging.ZipPackage package = this.Worksheet.Package.Package;
this._part = package.CreatePart(this._uriDrawing, "application/vnd.openxmlformats-officedocument.drawing+xml", this.Package.Compression);
StreamWriter streamChart = new StreamWriter(this._part.GetStream(FileMode.Create, FileAccess.Write));
this.DrawingXml.Save(streamChart);
streamChart.Close();
package.Flush();
this.DrawingRelationship = this.Worksheet.Part.CreateRelationship(UriHelper.GetRelativeUri(this.Worksheet.WorksheetUri, this._uriDrawing), Packaging.TargetMode.Internal, ExcelPackage.schemaRelationships + "/drawing");
XmlElement drawingElement = this.Worksheet.WorksheetXml.CreateElement("drawing", ExcelPackage.schemaMain);
drawingElement.SetAttribute("id", ExcelPackage.schemaRelationships, this.DrawingRelationship.Id);
this.Worksheet.WorksheetXml.DocumentElement.AppendChild(drawingElement);
package.Flush();
}
XmlNode columnNode = this._drawingsXml.SelectSingleNode("//xdr:wsDr", this.NameSpaceManager);
XmlElement drawingNode;
if (this.Worksheet is ExcelChartsheet)
{
drawingNode = this._drawingsXml.CreateElement("xdr", "absoluteAnchor", ExcelPackage.schemaSheetDrawings);
XmlElement posNode = this._drawingsXml.CreateElement("xdr", "pos", ExcelPackage.schemaSheetDrawings);
posNode.SetAttribute("y", "0");
posNode.SetAttribute("x", "0");
drawingNode.AppendChild(posNode);
XmlElement extNode = this._drawingsXml.CreateElement("xdr", "ext", ExcelPackage.schemaSheetDrawings);
extNode.SetAttribute("cy", "6072876");
extNode.SetAttribute("cx", "9299263");
drawingNode.AppendChild(extNode);
columnNode.AppendChild(drawingNode);
}
else
{
drawingNode = this._drawingsXml.CreateElement("xdr", "twoCellAnchor", ExcelPackage.schemaSheetDrawings);
columnNode.AppendChild(drawingNode);
XmlElement fromNode = this._drawingsXml.CreateElement("xdr", "from", ExcelPackage.schemaSheetDrawings);
drawingNode.AppendChild(fromNode);
fromNode.InnerXml = "<xdr:col>0</xdr:col><xdr:colOff>0</xdr:colOff><xdr:row>0</xdr:row><xdr:rowOff>0</xdr:rowOff>";
XmlElement toNode = this._drawingsXml.CreateElement("xdr", "to", ExcelPackage.schemaSheetDrawings);
drawingNode.AppendChild(toNode);
toNode.InnerXml = "<xdr:col>10</xdr:col><xdr:colOff>0</xdr:colOff><xdr:row>10</xdr:row><xdr:rowOff>0</xdr:rowOff>";
}
return(drawingNode);
}
internal ExcelVbaProject(ExcelWorkbook wb)
{
_wb = wb;
_pck = _wb._package.Package;
References = new ExcelVbaReferenceCollection();
Modules = new ExcelVbaModuleCollection(this);
var rel = _wb.Part.GetRelationshipsByType(schemaRelVba).FirstOrDefault();
if (rel != null)
{
Uri = UriHelper.ResolvePartUri(rel.SourceUri, rel.TargetUri);
Part = _pck.GetPart(Uri);
GetProject();
}
else
{
Lcid = 0;
Part = null;
}
}
private void ConstructNewFile(Stream stream, string password)
{
_stream = stream;
if (File != null) File.Refresh();
if (File != null && File.Exists)
{
if (password != null)
{
var encrHandler = new EncryptedPackageHandler();
Encryption.IsEncrypted = true;
Encryption.Password = password;
_stream = encrHandler.DecryptPackage(File, Encryption);
encrHandler = null;
}
else
{
ReadFile();
}
try
{
//_package = Package.Open(_stream, FileMode.Open, FileAccess.ReadWrite);
_package = new Packaging.ZipPackage(_stream);
}
catch (Exception ex)
{
if (password == null && CompoundDocument.IsStorageFile(File.FullName) == 0)
{
throw new Exception("Can not open the package. Package is an OLE compound document. If this is an encrypted package, please supply the password", ex);
}
else
{
throw;
}
}
}
else
{
//_package = Package.Open(_stream, FileMode.Create, FileAccess.ReadWrite);
_package = new Packaging.ZipPackage(_stream);
CreateBlankWb();
}
}
/// <summary>
/// Closes the package.
/// </summary>
public void Dispose()
{
if(_package != null)
{
if (Stream != null && (Stream.CanRead || Stream.CanWrite))
{
Stream.Close();
}
_package.Close();
((IDisposable)_stream).Dispose();
((IDisposable)_workbook).Dispose();
_package = null;
_images = null;
_file = null;
_workbook = null;
_stream = null;
_workbook = null;
}
}
/// <summary>
/// Create a new instance of the ExcelPackage class based on a stream
/// </summary>
/// <param name="newStream">The stream object can be empty or contain a package. The stream must be Read/Write</param>
/// <param name="Password">The password to decrypt the document</param>
public ExcelPackage(Stream newStream, string Password)
{
if (!(newStream.CanRead && newStream.CanWrite))
{
throw new Exception("The stream must be read/write");
}
Init();
if (newStream.Length > 0)
{
Load(newStream,Password);
}
else
{
_stream = newStream;
//_package = Package.Open(_stream, FileMode.Create, FileAccess.ReadWrite); TODO:Remove
_package = new Packaging.ZipPackage(_stream);
CreateBlankWb();
}
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <param name="output"></param>
/// <param name="Password"></param>
private void Load(Stream input, Stream output, string Password)
{
//Release some resources:
if (this._package != null)
{
this._package.Close();
this._package = null;
}
if (this._stream != null)
{
this._stream.Close();
this._stream.Dispose();
this._stream = null;
}
if (Password != null)
{
Stream encrStream = new MemoryStream();
CopyStream(input, ref encrStream);
EncryptedPackageHandler eph=new EncryptedPackageHandler();
Encryption.Password = Password;
this._stream = eph.DecryptPackage((MemoryStream)encrStream, Encryption);
}
else
{
this._stream = output;
CopyStream(input, ref this._stream);
}
try
{
//this._package = Package.Open(this._stream, FileMode.Open, FileAccess.ReadWrite);
_package = new Packaging.ZipPackage(_stream);
}
catch (Exception ex)
{
EncryptedPackageHandler eph = new EncryptedPackageHandler();
if (Password == null && CompoundDocument.IsStorageILockBytes(CompoundDocument.GetLockbyte((MemoryStream)_stream)) == 0)
{
throw new Exception("Can not open the package. Package is an OLE compound document. If this is an encrypted package, please supply the password", ex);
}
else
{
throw;
}
}
//Clear the workbook so that it gets reinitialized next time
this._workbook = null;
}
/// <summary>
/// Create a new file from a template
/// </summary>
/// <param name="template">An existing xlsx file to use as a template</param>
/// <param name="password">The password to decrypt the package.</param>
/// <returns></returns>
private void CreateFromTemplate(FileInfo template, string password)
{
if (template != null) template.Refresh();
if (template.Exists)
{
_stream = new MemoryStream();
if (password != null)
{
Encryption.IsEncrypted = true;
Encryption.Password = password;
var encrHandler = new EncryptedPackageHandler();
_stream = encrHandler.DecryptPackage(template, Encryption);
encrHandler = null;
//throw (new NotImplementedException("No support for Encrypted packages in this version"));
}
else
{
byte[] b = System.IO.File.ReadAllBytes(template.FullName);
_stream.Write(b, 0, b.Length);
}
try
{
//_package = Package.Open(_stream, FileMode.Open, FileAccess.ReadWrite);
_package = new Packaging.ZipPackage(_stream);
}
catch (Exception ex)
{
if (password == null && CompoundDocument.IsStorageFile(template.FullName)==0)
{
throw new Exception("Can not open the package. Package is an OLE compound document. If this is an encrypted package, please supply the password", ex);
}
else
{
throw;
}
}
}
else
throw new Exception("Passed invalid TemplatePath to Excel Template");
//return newFile;
}
/// <summary>
/// Closes the package.
/// </summary>
public void Dispose()
{
if(_package != null)
{
if (_isExternalStream==false && Stream != null && (Stream.CanRead || Stream.CanWrite))
{
Stream.Close();
}
_package.Close();
if(_isExternalStream==false) ((IDisposable)_stream).Dispose();
if(_workbook != null)
{
_workbook.Dispose();
}
_package = null;
_images = null;
_file = null;
_workbook = null;
_stream = null;
_workbook = null;
}
}
private void ConstructNewFile(string password)
{
var ms = new MemoryStream();
if (_stream == null) _stream = new MemoryStream();
if (File != null) File.Refresh();
if (File != null && File.Exists)
{
if (password != null)
{
#if !MONO
var encrHandler = new EncryptedPackageHandler();
Encryption.IsEncrypted = true;
Encryption.Password = password;
ms = encrHandler.DecryptPackage(File, Encryption);
encrHandler = null;
#endif
#if MONO
throw new NotImplementedException("No support for Encrypted packages in Mono");
#endif
}
else
{
byte[] b = System.IO.File.ReadAllBytes(File.FullName);
ms.Write(b, 0, b.Length);
}
try
{
//_package = Package.Open(_stream, FileMode.Open, FileAccess.ReadWrite);
_package = new Packaging.ZipPackage(ms);
}
catch (Exception ex)
{
#if !MONO
if (password == null && CompoundDocument.IsStorageFile(File.FullName)==0)
{
throw new Exception("Can not open the package. Package is an OLE compound document. If this is an encrypted package, please supply the password", ex);
}
else
{
throw;
}
#endif
#if MONO
throw;
#endif
}
}
else
{
//_package = Package.Open(_stream, FileMode.Create, FileAccess.ReadWrite);
_package = new Packaging.ZipPackage(ms);
CreateBlankWb();
}
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <param name="output"></param>
/// <param name="Password"></param>
private void Load(Stream input, Stream output, string Password)
{
//Release some resources:
if (this._package != null)
{
this._package.Close();
this._package = null;
}
if (this._stream != null)
{
this._stream.Close();
this._stream.Dispose();
this._stream = null;
}
_isExternalStream = true;
if (input.Length == 0) // Template is blank, Construct new
{
_stream = output;
ConstructNewFile(Password);
}
else
{
Stream ms;
this._stream = output;
if (Password != null)
{
#if !MONO
Stream encrStream = new MemoryStream();
CopyStream(input, ref encrStream);
EncryptedPackageHandler eph = new EncryptedPackageHandler();
Encryption.Password = Password;
ms = eph.DecryptPackage((MemoryStream)encrStream, Encryption);
#endif
#if MONO
throw new NotSupportedException("Encryption is not supported under Mono.");
#endif
}
else
{
ms = new MemoryStream();
CopyStream(input, ref ms);
}
try
{
//this._package = Package.Open(this._stream, FileMode.Open, FileAccess.ReadWrite);
_package = new Packaging.ZipPackage(ms);
}
catch (Exception ex)
{
#if !MONO
EncryptedPackageHandler eph = new EncryptedPackageHandler();
if (Password == null && CompoundDocument.IsStorageILockBytes(CompoundDocument.GetLockbyte((MemoryStream)_stream)) == 0)
{
throw new Exception("Can not open the package. Package is an OLE compound document. If this is an encrypted package, please supply the password", ex);
}
else
{
throw;
}
#endif
#if MONO
throw;
#endif
}
}
//Clear the workbook so that it gets reinitialized next time
this._workbook = null;
}
