/// <summary>
/// Appends the documents to primary document.
/// </summary>
/// <param name="primaryDocument">The primary document.</param>
/// <param name="documentstoAppend">The documents to append.</param>
/// <returns></returns>
public byte[] AppendDocumentsToPrimaryDocument(byte[] primaryDocument, List <byte[]> documentstoAppend)
{
if (documentstoAppend == null)
{
throw new ArgumentNullException("documentstoAppend");
}
if (primaryDocument == null)
{
throw new ArgumentNullException("primaryDocument");
}
byte[] output = null;
using (MemoryStream finalDocumentStream = new MemoryStream())
{
finalDocumentStream.Write(primaryDocument, 0, primaryDocument.Length);
using (WordprocessingDocument finalDocument = WordprocessingDocument.Open(finalDocumentStream, true))
{
SectionProperties finalDocSectionProperties = null;
this.UnprotectDocument(finalDocument);
SectionProperties tempSectionProperties = finalDocument.MainDocumentPart.Document.Descendants <SectionProperties>().LastOrDefault();
if (tempSectionProperties != null)
{
finalDocSectionProperties = tempSectionProperties.CloneNode(true) as SectionProperties;
}
this.RemoveContentControlsAndKeepContents(finalDocument.MainDocumentPart.Document);
foreach (byte[] documentToAppend in documentstoAppend)
{
AlternativeFormatImportPart subReportPart = finalDocument.MainDocumentPart.AddAlternativeFormatImportPart(AlternativeFormatImportPartType.WordprocessingML);
SectionProperties secProperties = null;
using (MemoryStream docToAppendStream = new MemoryStream())
{
docToAppendStream.Write(documentToAppend, 0, documentToAppend.Length);
using (WordprocessingDocument docToAppend = WordprocessingDocument.Open(docToAppendStream, true))
{
this.UnprotectDocument(docToAppend);
tempSectionProperties = docToAppend.MainDocumentPart.Document.Descendants <SectionProperties>().LastOrDefault();
if (tempSectionProperties != null)
{
secProperties = tempSectionProperties.CloneNode(true) as SectionProperties;
}
this.RemoveContentControlsAndKeepContents(docToAppend.MainDocumentPart.Document);
docToAppend.MainDocumentPart.Document.Save();
}
docToAppendStream.Position = 0;
subReportPart.FeedData(docToAppendStream);
}
if (documentstoAppend.ElementAtOrDefault(0).Equals(documentToAppend))
{
AssignSectionProperties(finalDocument.MainDocumentPart.Document, finalDocSectionProperties);
}
AltChunk altChunk = new AltChunk();
altChunk.Id = finalDocument.MainDocumentPart.GetIdOfPart(subReportPart);
finalDocument.MainDocumentPart.Document.AppendChild(altChunk);
if (!documentstoAppend.ElementAtOrDefault(documentstoAppend.Count - 1).Equals(documentToAppend))
{
AssignSectionProperties(finalDocument.MainDocumentPart.Document, secProperties);
}
finalDocument.MainDocumentPart.Document.Save();
}
finalDocument.MainDocumentPart.Document.Save();
}
finalDocumentStream.Position = 0;
output = new byte[finalDocumentStream.Length];
finalDocumentStream.Read(output, 0, output.Length);
finalDocumentStream.Close();
}
return(output);
}
/// <summary>
/// Start the parse processing and append the converted paragraphs into the Body of the document.
/// </summary>
public void ParseHtml(String html)
{
// This method exists because we may ensure the SectionProperties remains the last element of the body.
// It's mandatory when dealing with page orientation
var paragraphs = Parse(html);
Body body = mainPart.Document.Body;
SectionProperties initialSectionProperties = mainPart.Document.Body.GetLastChild <SectionProperties>();
var firstOrientationChange = Orientation.Keys.FirstOrDefault();
var lastOrienationChange = Orientation.Keys.LastOrDefault();
var singleOrientationChange = Orientation.Keys.Count == 1;
if (Orientation.Keys.Count == 0)
{
firstOrientationChange = -1;
lastOrienationChange = -1;
}
var singleSectionOrientation = initialSectionProperties.CloneNode(true);
if (singleOrientationChange)
{
singleSectionOrientation = Orientation[lastOrienationChange] ? ChangePageOrientation(PageOrientationValues.Landscape)
: ChangePageOrientation(PageOrientationValues.Portrait);
}
for (int i = 0; i < paragraphs.Count; i++)
{
var paragraph = paragraphs[i];
if (i == firstOrientationChange - 1)
{
paragraph.PrependChild(new ParagraphProperties(new KeepLines(), initialSectionProperties.CloneNode(true)));
body.Append(paragraph);
continue;
}
if (i == lastOrienationChange && !singleOrientationChange)
{
//paragraph.AppendChild(new ParagraphProperties(new KeepLines(), initialSectionProperties.CloneNode(true)));
body.Append(paragraph);
continue;
}
if (i >= lastOrienationChange && singleOrientationChange)
{
paragraph.PrependChild(new ParagraphProperties(new KeepLines(), singleSectionOrientation.CloneNode(true)));
body.Append(paragraph);
continue;
}
if (!Orientation.TryGetValue(i, out var landscape))
{
body.Append(paragraph);
continue;
}
var pProps = paragraph.GetFirstChild <ParagraphProperties>();
if (pProps is null)
{
var orientation = landscape ? PageOrientationValues.Landscape : PageOrientationValues.Portrait;
paragraph.PrependChild(new ParagraphProperties(new KeepLines(), ChangePageOrientation(orientation)));
body.Append(paragraph);
continue;
}
}
//Push the sectionProperties as the last element of the Body
//(required by OpenXml schema to avoid the bad formatting of the document)
//if (singleSectionOrientation != null) {
// var lastParagraph=body.GetLastChild<Paragraph>();
// lastParagraph.Remove();
// lastParagraph.PrependChild(new ParagraphProperties(singleSectionOrientation.CloneNode(true)));
// body.Append(lastParagraph);
//}
}
