/// <summary>
/// Gets a list of ITextViews spanned by this text segment
/// </summary>
/// <param name="segment">the text segment</param>
/// <returns>the TextViews list</returns>
internal static List <ITextView> GetDocumentPageTextViews(TextSegment segment)
{
List <ITextView> res = null;
int startPageNumber, endPageNumber;
//revert the logical direction of the pointers
ITextPointer start = segment.Start.CreatePointer(LogicalDirection.Forward);
ITextPointer end = segment.End.CreatePointer(LogicalDirection.Backward);
DependencyObject content = start.TextContainer.Parent as DependencyObject;
if (content != null)
{
FlowDocumentScrollViewer scrollViewer = PathNode.GetParent(content) as FlowDocumentScrollViewer;
if (scrollViewer != null)
{
IServiceProvider provider = scrollViewer.ScrollViewer.Content as IServiceProvider;
Invariant.Assert(provider != null, "FlowDocumentScrollViewer should be an IServiceProvider.");
res = new List <ITextView>(1);
res.Add(provider.GetService(typeof(ITextView)) as ITextView);
return(res);
}
}
IDocumentPaginatorSource idp = GetPointerPage(start, out startPageNumber);
DynamicDocumentPaginator ddp = idp.DocumentPaginator as DynamicDocumentPaginator;
endPageNumber = ddp != null?ddp.GetPageNumber((ContentPosition)end) : -1;
if (startPageNumber == -1 || endPageNumber == -1)
{
// If either page couldn't be found, we return an empty list. This
// could be caused by a failure in paginating the document.
res = new List <ITextView>(0);
}
else if (startPageNumber == endPageNumber)
{
res = ProcessSinglePage(idp, startPageNumber);
}
else
{
res = ProcessMultiplePages(idp, startPageNumber, endPageNumber);
}
return(res);
}
// Token: 0x06007C3A RID: 31802 RVA: 0x0022EE98 File Offset: 0x0022D098
public static IDocumentPaginatorSource GetPointerPage(ITextPointer pointer, out int pageNumber)
{
Invariant.Assert(pointer != null, "unknown pointer");
IDocumentPaginatorSource documentPaginatorSource = pointer.TextContainer.Parent as IDocumentPaginatorSource;
FixedDocument fixedDocument = documentPaginatorSource as FixedDocument;
if (fixedDocument != null)
{
FixedDocumentSequence fixedDocumentSequence = fixedDocument.Parent as FixedDocumentSequence;
if (fixedDocumentSequence != null)
{
documentPaginatorSource = fixedDocumentSequence;
}
}
Invariant.Assert(documentPaginatorSource != null);
DynamicDocumentPaginator dynamicDocumentPaginator = documentPaginatorSource.DocumentPaginator as DynamicDocumentPaginator;
pageNumber = ((dynamicDocumentPaginator != null) ? dynamicDocumentPaginator.GetPageNumber((ContentPosition)pointer) : -1);
return(documentPaginatorSource);
}
// Token: 0x06007C3D RID: 31805 RVA: 0x0022F01C File Offset: 0x0022D21C
internal static List <ITextView> GetDocumentPageTextViews(TextSegment segment)
{
ITextPointer textPointer = segment.Start.CreatePointer(LogicalDirection.Forward);
ITextPointer textPointer2 = segment.End.CreatePointer(LogicalDirection.Backward);
DependencyObject parent = textPointer.TextContainer.Parent;
if (parent != null)
{
FlowDocumentScrollViewer flowDocumentScrollViewer = PathNode.GetParent(parent) as FlowDocumentScrollViewer;
if (flowDocumentScrollViewer != null)
{
IServiceProvider serviceProvider = flowDocumentScrollViewer.ScrollViewer.Content as IServiceProvider;
Invariant.Assert(serviceProvider != null, "FlowDocumentScrollViewer should be an IServiceProvider.");
return(new List <ITextView>(1)
{
serviceProvider.GetService(typeof(ITextView)) as ITextView
});
}
}
int num;
IDocumentPaginatorSource pointerPage = TextSelectionHelper.GetPointerPage(textPointer, out num);
DynamicDocumentPaginator dynamicDocumentPaginator = pointerPage.DocumentPaginator as DynamicDocumentPaginator;
int num2 = (dynamicDocumentPaginator != null) ? dynamicDocumentPaginator.GetPageNumber((ContentPosition)textPointer2) : -1;
List <ITextView> result;
if (num == -1 || num2 == -1)
{
result = new List <ITextView>(0);
}
else if (num == num2)
{
result = TextSelectionHelper.ProcessSinglePage(pointerPage, num);
}
else
{
result = TextSelectionHelper.ProcessMultiplePages(pointerPage, num, num2);
}
return(result);
}
/// <summary>
/// Gets DocumentViewerBase and a page number for specified TextPointer
/// </summary>
/// <param name="pointer">a TP from the container</param>
/// <param name="pageNumber">the page number</param>
/// <returns>DocumentViewerBase</returns>
public static IDocumentPaginatorSource GetPointerPage(ITextPointer pointer, out int pageNumber)
{
Invariant.Assert(pointer != null, "unknown pointer");
IDocumentPaginatorSource idp = pointer.TextContainer.Parent as IDocumentPaginatorSource;
FixedDocument fixedDoc = idp as FixedDocument;
if (fixedDoc != null)
{
FixedDocumentSequence sequence = fixedDoc.Parent as FixedDocumentSequence;
if (sequence != null)
{
idp = sequence;
}
}
Invariant.Assert(idp != null);
DynamicDocumentPaginator ddp = idp.DocumentPaginator as DynamicDocumentPaginator;
pageNumber = ddp != null?ddp.GetPageNumber((ContentPosition)pointer) : -1;
return(idp);
}
public override int GetPageNumber(ContentPosition contentPosition)
{
return(_originalPaginator.GetPageNumber(contentPosition));
}