// Token: 0x06007BCF RID: 31695 RVA: 0x0022C850 File Offset: 0x0022AA50
public override IList <DependencyObject> GetSelectedNodes(object selection)
{
IList <TextSegment> list = this.CheckSelection(selection);
IList <DependencyObject> list2 = new List <DependencyObject>();
foreach (TextSegment textSegment in list)
{
int minValue = int.MinValue;
ITextPointer pointer = textSegment.Start.CreatePointer(LogicalDirection.Forward);
TextSelectionHelper.GetPointerPage(pointer, out minValue);
Point pointForPointer = TextSelectionHelper.GetPointForPointer(pointer);
if (minValue == -2147483648)
{
throw new ArgumentException(SR.Get("SelectionDoesNotResolveToAPage", new object[]
{
"start"
}), "selection");
}
int minValue2 = int.MinValue;
ITextPointer pointer2 = textSegment.End.CreatePointer(LogicalDirection.Backward);
TextSelectionHelper.GetPointerPage(pointer2, out minValue2);
Point pointForPointer2 = TextSelectionHelper.GetPointForPointer(pointer2);
if (minValue2 == -2147483648)
{
throw new ArgumentException(SR.Get("SelectionDoesNotResolveToAPage", new object[]
{
"end"
}), "selection");
}
int num = list2.Count;
int num2 = minValue2 - minValue;
int i = 0;
if (list2.Count > 0 && ((FixedTextSelectionProcessor.FixedPageProxy)list2[list2.Count - 1]).Page == minValue)
{
num--;
i++;
}
while (i <= num2)
{
list2.Add(new FixedTextSelectionProcessor.FixedPageProxy(textSegment.Start.TextContainer.Parent, minValue + i));
i++;
}
if (num2 == 0)
{
((FixedTextSelectionProcessor.FixedPageProxy)list2[num]).Segments.Add(new FixedTextSelectionProcessor.PointSegment(pointForPointer, pointForPointer2));
}
else
{
((FixedTextSelectionProcessor.FixedPageProxy)list2[num]).Segments.Add(new FixedTextSelectionProcessor.PointSegment(pointForPointer, FixedTextSelectionProcessor.PointSegment.NotAPoint));
((FixedTextSelectionProcessor.FixedPageProxy)list2[num + num2]).Segments.Add(new FixedTextSelectionProcessor.PointSegment(FixedTextSelectionProcessor.PointSegment.NotAPoint, pointForPointer2));
}
}
return(list2);
}
/// <summary>
/// Generates FixedPageProxy objects for each page, spaned by the selection
/// </summary>
/// <param name="selection">the selection to examine. Must implement ITextRange</param>
/// <returns>a list of FixedPageProxy objects, corresponding to each page spanned by the selection; never returns
/// null</returns>
/// <exception cref="ArgumentNullException">selection is null</exception>
/// <exception cref="ArgumentException">selection is of wrong type</exception>
/// <exception cref="ArgumentException">selection start or end point can not be resolved to a page</exception>
public override IList <DependencyObject> GetSelectedNodes(Object selection)
{
IList <TextSegment> textSegments = CheckSelection(selection);
IList <DependencyObject> pageEl = new List <DependencyObject>();
Point start;
Point end;
foreach (TextSegment segment in textSegments)
{
int startPage = int.MinValue;
ITextPointer startPointer = segment.Start.CreatePointer(LogicalDirection.Forward);
TextSelectionHelper.GetPointerPage(startPointer, out startPage);
start = TextSelectionHelper.GetPointForPointer(startPointer);
if (startPage == int.MinValue)
{
throw new ArgumentException(SR.Get(SRID.SelectionDoesNotResolveToAPage, "start"), "selection");
}
int endPage = int.MinValue;
ITextPointer endPointer = segment.End.CreatePointer(LogicalDirection.Backward);
TextSelectionHelper.GetPointerPage(endPointer, out endPage);
end = TextSelectionHelper.GetPointForPointer(endPointer);
if (endPage == int.MinValue)
{
throw new ArgumentException(SR.Get(SRID.SelectionDoesNotResolveToAPage, "end"), "selection");
}
int firstPage = pageEl.Count;
int numOfPages = endPage - startPage;
Debug.Assert(numOfPages >= 0, "start page number is bigger than the end page number");
// If the first page of this segment already has an FPP, then use that one for an additional segment
int i = 0;
if (pageEl.Count > 0 && ((FixedPageProxy)pageEl[pageEl.Count - 1]).Page == startPage)
{
firstPage--; // use the existing one from the list as the first
i++; // make 1 fewer FPPs
}
for (; i <= numOfPages; i++)
{
pageEl.Add(new FixedPageProxy(segment.Start.TextContainer.Parent, startPage + i));
}
// If entire segment is on one page set both start/end on that page
if (numOfPages == 0)
{
((FixedPageProxy)pageEl[firstPage]).Segments.Add(new PointSegment(start, end));
}
else
{
// otherwise set start on the first page and end on the last page
((FixedPageProxy)pageEl[firstPage]).Segments.Add(new PointSegment(start, PointSegment.NotAPoint));
((FixedPageProxy)pageEl[firstPage + numOfPages]).Segments.Add(new PointSegment(PointSegment.NotAPoint, end));
}
}
return(pageEl);
}
