125 lines
4.7 KiB
C#
125 lines
4.7 KiB
C#
/***************************************************************************
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Copyright (c) Microsoft Corporation 2011.
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This code is licensed using the Microsoft Public License (Ms-PL). The text of the license can be found here:
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http://www.microsoft.com/resources/sharedsource/licensingbasics/publiclicense.mspx
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***************************************************************************/
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using System.Collections.Generic;
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using System.Linq;
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using System.Xml.Linq;
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using DocumentFormat.OpenXml.Packaging;
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namespace OpenXmlPowerTools
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{
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public partial class WmlDocument : OpenXmlPowerToolsDocument
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{
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public object GetAllComments(CommentFormat format)
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{
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return CommentAccessor.GetAllComments(this, format);
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}
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}
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public enum CommentFormat
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{
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PlainText,
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Xml,
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Docx
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}
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/// <summary>
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/// Provides access to comment operations
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/// </summary>
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public class CommentAccessor
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{
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public static object GetAllComments(WmlDocument doc, CommentFormat format)
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{
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using (OpenXmlMemoryStreamDocument streamDoc = new OpenXmlMemoryStreamDocument(doc))
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using (WordprocessingDocument document = streamDoc.GetWordprocessingDocument())
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{
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IEnumerable<XElement> comments = null;
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WordprocessingCommentsPart commentsPart = document.MainDocumentPart.WordprocessingCommentsPart;
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if (commentsPart != null)
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{
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XDocument commentsPartDocument = commentsPart.GetXDocument();
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comments = commentsPartDocument.Element(W.comments).Elements(W.comment);
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}
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if (comments != null)
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{
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XDocument commentsDocument =
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new XDocument(
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new XElement(W.comments,
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new XAttribute(XNamespace.Xmlns + "w", W.w),
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comments
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)
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);
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switch (format)
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{
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case CommentFormat.PlainText:
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return commentsDocument.ToString();
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case CommentFormat.Xml:
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return commentsDocument;
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case CommentFormat.Docx:
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return CreateCommentsDocument(comments);
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}
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}
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return null;
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}
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}
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private static OpenXmlPowerToolsDocument CreateCommentsDocument(IEnumerable<XElement> contents)
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{
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using (OpenXmlMemoryStreamDocument streamDoc = OpenXmlMemoryStreamDocument.CreateWordprocessingDocument())
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{
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using (WordprocessingDocument document = streamDoc.GetWordprocessingDocument())
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{
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PowerToolsExtensions.SetContent(document, contents);
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}
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return streamDoc.GetModifiedDocument();
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}
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}
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/// <summary>
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/// Returns all reference tags from inside the main part of a wordprocessing document
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/// </summary>
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private static IEnumerable<XElement> CommentReferences(WordprocessingDocument document)
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{
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XDocument mainDocument = document.MainDocumentPart.GetXDocument();
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IEnumerable<XElement> results =
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mainDocument.Descendants().Where(
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tag =>
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tag.Name == W.commentRangeStart ||
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tag.Name == W.commentRangeEnd ||
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(tag.Name == W.r && tag.Descendants(W.commentReference).Count() > 0)
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);
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return results;
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}
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/// <summary>
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/// Removes all of the comments existing in the document
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/// </summary>
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public static OpenXmlPowerToolsDocument RemoveAll(WmlDocument doc)
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{
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using (OpenXmlMemoryStreamDocument streamDoc = new OpenXmlMemoryStreamDocument(doc))
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{
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using (WordprocessingDocument document = streamDoc.GetWordprocessingDocument())
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{
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//Removes comment-related tags inside the main document part
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IEnumerable<XElement> commentReferences = CommentReferences(document).ToList();
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commentReferences.Remove();
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document.MainDocumentPart.PutXDocument();
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WordprocessingCommentsPart commentsPart = document.MainDocumentPart.WordprocessingCommentsPart;
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if (commentsPart != null)
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commentsPart.RemovePart();
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}
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return streamDoc.GetModifiedDocument();
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}
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}
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}
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}
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