// Token: 0x06007BDB RID: 31707 RVA: 0x0022D22C File Offset: 0x0022B42C
private static ITextPointer FindEndVisibleTextPointer(DocumentPage documentPage)
{
ITextPointer textPointer;
ITextPointer textPointer2;
if (!FixedTextSelectionProcessor.GetTextViewRange(documentPage, out textPointer, out textPointer2))
{
return(null);
}
if (!textPointer2.IsAtInsertionPosition && !textPointer2.MoveToNextInsertionPosition(LogicalDirection.Backward))
{
return(null);
}
if (textPointer.CompareTo(textPointer2) > 0)
{
return(null);
}
return(textPointer2);
}
// Token: 0x06007BD3 RID: 31699 RVA: 0x0022CD00 File Offset: 0x0022AF00
public override object ResolveLocatorPart(ContentLocatorPart locatorPart, DependencyObject startNode, out AttachmentLevel attachmentLevel)
{
if (startNode == null)
{
throw new ArgumentNullException("startNode");
}
DocumentPage documentPage = null;
FixedPage fixedPage = startNode as FixedPage;
if (fixedPage != null)
{
documentPage = this.GetDocumentPage(fixedPage);
}
else
{
DocumentPageView documentPageView = startNode as DocumentPageView;
if (documentPageView != null)
{
documentPage = (documentPageView.DocumentPage as FixedDocumentPage);
if (documentPage == null)
{
documentPage = (documentPageView.DocumentPage as FixedDocumentSequenceDocumentPage);
}
}
}
if (documentPage == null)
{
throw new ArgumentException(SR.Get("StartNodeMustBeDocumentPageViewOrFixedPage"), "startNode");
}
if (locatorPart == null)
{
throw new ArgumentNullException("locatorPart");
}
attachmentLevel = AttachmentLevel.Unresolved;
ITextView textView = (ITextView)((IServiceProvider)documentPage).GetService(typeof(ITextView));
ReadOnlyCollection <TextSegment> textSegments = textView.TextSegments;
if (textSegments == null || textSegments.Count <= 0)
{
return(null);
}
TextAnchor textAnchor = new TextAnchor();
if (documentPage != null)
{
string text = locatorPart.NameValuePairs["Count"];
if (text == null)
{
throw new ArgumentException(SR.Get("InvalidLocatorPart", new object[]
{
"Count"
}));
}
int num = int.Parse(text, NumberFormatInfo.InvariantInfo);
for (int i = 0; i < num; i++)
{
Point point;
Point point2;
this.GetLocatorPartSegmentValues(locatorPart, i, out point, out point2);
ITextPointer textPointer;
if (double.IsNaN(point.X) || double.IsNaN(point.Y))
{
textPointer = FixedTextSelectionProcessor.FindStartVisibleTextPointer(documentPage);
}
else
{
textPointer = textView.GetTextPositionFromPoint(point, true);
}
if (textPointer != null)
{
ITextPointer textPointer2;
if (double.IsNaN(point2.X) || double.IsNaN(point2.Y))
{
textPointer2 = FixedTextSelectionProcessor.FindEndVisibleTextPointer(documentPage);
}
else
{
textPointer2 = textView.GetTextPositionFromPoint(point2, true);
}
Invariant.Assert(textPointer2 != null, "end TP is null when start TP is not");
attachmentLevel = AttachmentLevel.Full;
textAnchor.AddTextSegment(textPointer, textPointer2);
}
}
}
if (textAnchor.TextSegments.Count > 0)
{
return(textAnchor);
}
return(null);
}
