// 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);
}
public HeaderFooterPaginator(int pageNumberOffset, FlowDocument document)
{
if (document == null)
{
throw new ArgumentNullException("document");
}
_paginatorSource = document;
if (_paginatorSource == null)
{
throw new InvalidOperationException("Could not create a clone of the document being paginated.");
}
_originalPaginator = ((IDocumentPaginatorSource)_paginatorSource).DocumentPaginator as DynamicDocumentPaginator;
if (_originalPaginator == null)
{
throw new InvalidOperationException("The paginator must be a DynamicDocumentPaginator.");
}
_headerTemplate = GetModelDataTemplate(typeof(THeaderModel));
_footerTemplate = GetModelDataTemplate(typeof(TFooterModel));
var headerSize = GetModelContentSize(new THeaderModel {
PageNumber = int.MaxValue
}, _headerTemplate, _originalPaginator.PageSize);
var footerSize = GetModelContentSize(new TFooterModel {
PageNumber = int.MaxValue
}, _footerTemplate, _originalPaginator.PageSize);
_headerHeight = double.IsInfinity(headerSize.Height) ? 0 : headerSize.Height;
_footerHeight = double.IsInfinity(footerSize.Height) ? 0 : footerSize.Height;
_pageNumberOffset = pageNumberOffset;
SetPageSize(new Size(document.PageWidth, document.PageHeight));
}
/// <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);
}
