/// <summary>
/// Disposes the object
/// </summary>
public void Dispose()
{
_drawingsXml = null;
_hashes.Clear();
_hashes = null;
_part = null;
_drawingNames.Clear();
_drawingNames = null;
_drawingRelation = null;
foreach (var d in _drawings)
{
d.Dispose();
}
_drawings.Clear();
_drawings = null;
}
internal ExcelPicture(ExcelDrawings drawings, XmlNode node) :
base(drawings, node, "xdr:pic/xdr:nvPicPr/xdr:cNvPr/@name")
{
XmlNode picNode = node.SelectSingleNode("xdr:pic/xdr:blipFill/a:blip", drawings.NameSpaceManager);
if (picNode != null)
{
var embed = picNode.Attributes["r:embed"]?.Value;
if (embed != null)
{
RelPic = drawings.Part.GetRelationship(embed);
UriPic = UriHelper.ResolvePartUri(drawings.UriDrawing, RelPic.TargetUri);
Part = drawings.Part.Package.GetPart(UriPic);
FileInfo f = new FileInfo(UriPic.OriginalString);
ContentType = GetContentType(f.Extension);
_image = Image.FromStream(Part.GetStream());
ImageConverter ic = new ImageConverter();
var iby = (byte[])ic.ConvertTo(_image, typeof(byte[]));
var ii = _drawings.Package.LoadImage(iby, UriPic, Part);
ImageHash = ii.Hash;
}
var link = picNode.Attributes["r:link"]?.Value;
if (link != null)
{
RelPic = drawings.Part.GetRelationship(link);
// This relationship defines a path to an image file in the file system, and is currently unsupported.
}
string relID = GetXmlNodeString("xdr:pic/xdr:nvPicPr/xdr:cNvPr/a:hlinkClick/@r:id");
if (!string.IsNullOrEmpty(relID))
{
HypRel = drawings.Part.GetRelationship(relID);
if (HypRel.TargetUri.IsAbsoluteUri)
{
_hyperlink = new ExcelHyperLink(HypRel.TargetUri.AbsoluteUri);
}
else
{
_hyperlink = new ExcelHyperLink(HypRel.TargetUri.OriginalString, UriKind.Relative);
}
((ExcelHyperLink)_hyperlink).ToolTip = GetXmlNodeString("xdr:pic/xdr:nvPicPr/xdr:cNvPr/a:hlinkClick/@tooltip");
}
}
}
internal ExcelDrawings(ExcelPackage xlPackage, ExcelWorksheet sheet)
{
_drawingsXml = new XmlDocument();
_drawingsXml.PreserveWhitespace = false;
_drawings = new List <ExcelDrawing>();
_drawingNames = new Dictionary <string, int>(StringComparer.OrdinalIgnoreCase);
_package = xlPackage;
Worksheet = sheet;
XmlNode node = sheet.WorksheetXml.SelectSingleNode("//d:drawing", sheet.NameSpaceManager);
CreateNSM();
if (node != null)
{
_drawingRelation = sheet.Part.GetRelationship(node.Attributes["r:id"].Value);
_uriDrawing = UriHelper.ResolvePartUri(sheet.WorksheetUri, _drawingRelation.TargetUri);
_part = xlPackage.Package.GetPart(_uriDrawing);
XmlHelper.LoadXmlSafe(_drawingsXml, _part.GetStream());
AddDrawings();
}
}
internal ExcelPivotTable(Packaging.ZipPackageRelationship rel, ExcelWorksheet sheet) :
base(sheet.NameSpaceManager)
{
WorkSheet = sheet;
PivotTableUri = UriHelper.ResolvePartUri(rel.SourceUri, rel.TargetUri);
Relationship = rel;
var pck = sheet._package.Package;
Part = pck.GetPart(PivotTableUri);
PivotTableXml = new XmlDocument();
LoadXmlSafe(PivotTableXml, Part.GetStream());
init();
TopNode = PivotTableXml.DocumentElement;
Address = new ExcelAddressBase(GetXmlNodeString("d:location/@ref"));
_cacheDefinition = new ExcelPivotCacheDefinition(sheet.NameSpaceManager, this);
LoadFields();
//Add row fields.
foreach (XmlElement rowElem in TopNode.SelectNodes("d:rowFields/d:field", NameSpaceManager))
{
int x;
if (int.TryParse(rowElem.GetAttribute("x"), out x) && x >= 0)
{
RowFields.AddInternal(Fields[x]);
}
else
{
rowElem.ParentNode.RemoveChild(rowElem);
}
}
////Add column fields.
foreach (XmlElement colElem in TopNode.SelectNodes("d:colFields/d:field", NameSpaceManager))
{
int x;
if (int.TryParse(colElem.GetAttribute("x"), out x) && x >= 0)
{
ColumnFields.AddInternal(Fields[x]);
}
else
{
colElem.ParentNode.RemoveChild(colElem);
}
}
//Add Page elements
//int index = 0;
foreach (XmlElement pageElem in TopNode.SelectNodes("d:pageFields/d:pageField", NameSpaceManager))
{
int fld;
if (int.TryParse(pageElem.GetAttribute("fld"), out fld) && fld >= 0)
{
var field = Fields[fld];
field._pageFieldSettings = new ExcelPivotTablePageFieldSettings(NameSpaceManager, pageElem, field, fld);
PageFields.AddInternal(field);
}
}
//Add data elements
//index = 0;
foreach (XmlElement dataElem in TopNode.SelectNodes("d:dataFields/d:dataField", NameSpaceManager))
{
int fld;
if (int.TryParse(dataElem.GetAttribute("fld"), out fld) && fld >= 0)
{
var field = Fields[fld];
var dataField = new ExcelPivotTableDataField(NameSpaceManager, dataElem, field);
DataFields.AddInternal(dataField);
}
}
}
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);
StreamWriter streamChart = new StreamWriter(_part.GetStream(FileMode.Create, FileAccess.Write));
DrawingXml.Save(streamChart);
streamChart.Close();
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);
}
