-
-
Notifications
You must be signed in to change notification settings - Fork 48
/
WordEmbeddedDocument.cs
111 lines (91 loc) · 4.07 KB
/
WordEmbeddedDocument.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
using System;
using System.IO;
using System.Text;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
namespace OfficeIMO.Word {
public class WordEmbeddedDocument {
private string _id;
private AltChunk _altChunk;
private readonly AlternativeFormatImportPart _altContent;
private readonly WordDocument _document;
public string ContentType => _altContent.ContentType;
private string GetAltChunkId(WordDocument wordDocument) {
int id = 1;
string altChunkId = "AltChunkId" + id;
// TODO: find better way to handle non-existing id
try {
while (wordDocument._document.MainDocumentPart.GetPartById(altChunkId) != null) {
id++;
altChunkId = "AltChunkId" + id;
}
} catch {
}
return altChunkId;
}
public void Save(string fileName) {
using (FileStream stream = new FileStream(fileName, FileMode.Create)) {
var altStream = _altContent.GetStream();
altStream.CopyTo(stream);
altStream.Close();
}
}
public void Remove() {
_altChunk.Remove();
var list = _document._document.MainDocumentPart.AlternativeFormatImportParts;
AlternativeFormatImportPart itemToDelete = null;
foreach (var item in list) {
var relationshipId = _document._wordprocessingDocument.MainDocumentPart.GetIdOfPart(item);
if (relationshipId == _id) {
itemToDelete = item;
}
}
if (itemToDelete != null) {
_document._wordprocessingDocument.MainDocumentPart.DeletePart(itemToDelete);
}
}
public WordEmbeddedDocument(WordDocument wordDocument, AltChunk altChunk) {
_id = altChunk.Id;
_altChunk = altChunk;
_document = wordDocument;
var list = wordDocument._document.MainDocumentPart.AlternativeFormatImportParts;
foreach (var item in list) {
var relationshipId = wordDocument._wordprocessingDocument.MainDocumentPart.GetIdOfPart(item);
if (relationshipId == _id) {
_altContent = item;
}
}
}
public WordEmbeddedDocument(WordDocument wordDocument, string fileName, AlternativeFormatImportPartType? alternativeFormatImportPartType) {
AlternativeFormatImportPartType partType;
if (alternativeFormatImportPartType == null) {
FileInfo fileInfo = new FileInfo(fileName);
if (fileInfo.Extension == ".rtf") {
partType = AlternativeFormatImportPartType.Rtf;
} else if (fileInfo.Extension == ".html") {
partType = AlternativeFormatImportPartType.Html;
} else if (fileInfo.Extension == ".log" || fileInfo.Extension == ".txt") {
partType = AlternativeFormatImportPartType.TextPlain;
} else {
throw new Exception("Only RTF and HTML files are supported for now :-)");
}
} else {
partType = alternativeFormatImportPartType.Value;
}
AltChunk altChunk = new AltChunk {
Id = GetAltChunkId(wordDocument)
};
MainDocumentPart mainDocPart = wordDocument._document.MainDocumentPart;
AlternativeFormatImportPart chunk = mainDocPart.AddAlternativeFormatImportPart(partType, altChunk.Id);
var documentContent = File.ReadAllText(fileName, Encoding.ASCII);
using (MemoryStream ms = new MemoryStream(Encoding.ASCII.GetBytes(documentContent))) {
chunk.FeedData(ms);
}
_id = altChunk.Id;
_altChunk = altChunk;
_document = wordDocument;
mainDocPart.Document.Body.Append(altChunk);
mainDocPart.Document.Save();
}
}
}