protected static OpenXmlPart GetReferencedPart(ValidationContext context, string path)
{
if (path == ".")
{
return(context.Part);
}
string[] parts = path.Split('/');
if (string.IsNullOrEmpty(parts[0]))
{
return(GetPartThroughPartPath(context.Package.Parts, parts.Skip(1).ToArray())); //absolute path
}
else if (parts[0] == "..")
{
IEnumerable <OpenXmlPart> iterator = new OpenXmlPackagePartIterator(context.Package);
IEnumerable <OpenXmlPart> refParts = iterator.Where(p => p.Parts.Select(r => r.OpenXmlPart.PackagePart.Uri)
.Contains(context.Part.PackagePart.Uri));
Debug.Assert(refParts.Count() == 1);
return(refParts.First());
}
else
{
return(GetPartThroughPartPath(context.Part.Parts, parts)); //relative path
}
}
protected static OpenXmlPart GetReferencedPart(ValidationContext context, string path)
{
if (path == ".")
{
return context.Part;
}
string[] parts = path.Split('/');
if (string.IsNullOrEmpty(parts[0]))
{
return GetPartThroughPartPath(context.Package.Parts, parts.Skip(1).ToArray()); //absolute path
}
else if (parts[0] == "..")
{
IEnumerable<OpenXmlPart> iterator = new OpenXmlPackagePartIterator(context.Package);
IEnumerable<OpenXmlPart> refParts = iterator.Where(p => p.Parts.Select(r => r.OpenXmlPart.PackagePart.Uri)
.Contains(context.Part.PackagePart.Uri));
Debug.Assert(refParts.Count() == 1);
return refParts.First();
}
else
{
return GetPartThroughPartPath(context.Part.Parts, parts); //relative path
}
}
public void AutoSaveTestDocx()
{
#region Prepare
// The content of parts changes should be saved when the package is disposed
string testFile = "autosavetest.docx";
// copy test file
PrepareTestFile(testFile, TestFileStreams.complex0docx);
#endregion
#region No change
// open the file in readonly mode, nothing should be saved on disposing
FileInfo fileInfo0 = new FileInfo(testFile);
using (var document = WordprocessingDocument.Open(testFile, false))
{
document.MainDocumentPart.Document.Body.Append(new Paragraph());
}
FileInfo fileInfo1 = new FileInfo(testFile);
Assert.Equal(fileInfo0.Length, fileInfo1.Length);
#endregion
#region Change main doucment & style parts
string originalFile = "autosavetest0.docx";
File.Copy(testFile, originalFile); // backup file
// HACK : Open and close the file with SDK to normalize the file
// since the SDK will change contents when closing the package.
using (var doc = WordprocessingDocument.Open(originalFile, true))
{
// do nothing here
}
// open the file in readWrite mode, and then changes should be saved
using (var document = WordprocessingDocument.Open(testFile, true))
{
var firstText = document.MainDocumentPart.Document.Descendants<Text>().First();
// change text of the first run
firstText.Text = "Changed";
var stylePart = document.MainDocumentPart.GetPartsOfType<StyleDefinitionsPart>().First();
var heading1Style = stylePart.Styles.Descendants<Style>().Where(style => style.StyleId == "Heading1").Single();
// change color to be black
heading1Style.Descendants<Color>().First().Val = "000000";
}
// check the changes. other parts should be the same
using (var document = WordprocessingDocument.Open(testFile, false))
{
var firstText = document.MainDocumentPart.Document.Descendants<Text>().First();
Assert.Equal("Changed", firstText.Text);
var stylePart = document.MainDocumentPart.GetPartsOfType<StyleDefinitionsPart>().First();
var heading1Style = stylePart.Styles.Descendants<Style>().Where(s => s.StyleId == "Heading1").Single();
Assert.Equal("000000", heading1Style.Descendants<Color>().First().Val.Value);
}
using (var orginalDoc = WordprocessingDocument.Open(originalFile, false))
using (var changedDoc = WordprocessingDocument.Open(testFile, false))
{
OpenXmlPackagePartIterator origianalDocIterator = new OpenXmlPackagePartIterator(orginalDoc);
OpenXmlPackagePartIterator changedDocIterator = new OpenXmlPackagePartIterator(changedDoc);
var changedDocEnumerator = changedDocIterator.GetEnumerator();
foreach (var originalPart in origianalDocIterator)
{
Assert.True(changedDocEnumerator.MoveNext());
if (!(originalPart is MainDocumentPart)
&& !(originalPart is StyleDefinitionsPart))
{
Assert.Equal(originalPart.GetType(), changedDocEnumerator.Current.GetType());
//Assert.Equal(originalPart.GetStream().Length,
// changedDocEnumerator.Current.GetStream().Length,
// changedDocEnumerator.Current.Uri + "||" + changedDocEnumerator.Current.Uri);
Assert.Equal(originalPart.GetStream().Length,
changedDocEnumerator.Current.GetStream().Length);
}
}
}
#endregion
#region Exit
// clean temp files
File.Delete(testFile);
File.Delete(originalFile);
#endregion
}
/// <summary>
/// Enumerates all <see cref="DataPartReferenceRelationship" />s that reference the current data part.
/// </summary>
public IEnumerable<DataPartReferenceRelationship> GetDataPartReferenceRelationships()
{
ThrowIfObjectDisposed();
// first, see if there are any reference in package leve.
foreach (var dataPartReferenceRelationship in this.OpenXmlPackage.DataPartReferenceRelationships)
{
if (dataPartReferenceRelationship.DataPart == this)
{
yield return dataPartReferenceRelationship;
}
}
// for each part in the package, check the DataPartReferenceRelationships.
OpenXmlPackagePartIterator partIterator = new OpenXmlPackagePartIterator(this.OpenXmlPackage);
foreach (var openXmlPart in partIterator)
{
foreach (var dataPartReferenceRelationship in openXmlPart.DataPartReferenceRelationships)
{
if (dataPartReferenceRelationship.DataPart == this)
{
yield return dataPartReferenceRelationship;
}
}
}
yield break;
}
public void OpenXmlPackagePartIteraterTest()
{
// Test with WordprocessingDocument
using (var stream = new MemoryStream(TestFileStreams.complex0docx))
{
using (var document = WordprocessingDocument.Open(stream, false))
{
OpenXmlPackagePartIterator iterator = new OpenXmlPackagePartIterator(document);
Assert.Equal(31, iterator.Count());
// Make sure it works well for multi calls
Assert.Equal(31, iterator.Count());
}
}
// Test with PresentationDocument
using (var stream = new MemoryStream(TestFileStreams.o09_Performance_typical_pptx))
{
using (var document = PresentationDocument.Open(stream, false))
{
OpenXmlPackagePartIterator iterator = new OpenXmlPackagePartIterator(document);
Assert.Equal(65, iterator.Count());
// There is one audio part.
Assert.Equal(1, document.DataParts.Count());
}
}
}
