public static bool RemoveChild(this AnchoredBlock parent, TextElement child)
{
var block = child as Block;
if (block == null)
{
return(false);
}
return(parent.Blocks.Remove(block));
}
public static void AddChild(this AnchoredBlock parent, TextElement child)
{
var block = child as Block;
if (block == null)
{
return;
}
parent.Blocks.Add(block);
}
public static void InsertAfter(this AnchoredBlock parent, TextElement previousSibling, TextElement child)
{
var block = child as Block;
if (block == null)
{
return;
}
var previousBlock = previousSibling as Block;
if (previousBlock == null || !parent.Blocks.Contains(previousBlock))
{
parent.Blocks.Add(block);
}
parent.Blocks.InsertAfter(previousBlock, block);
}
public static void InsertBefore(this AnchoredBlock parent, TextElement nextSibling, TextElement child)
{
var block = child as Block;
if (block == null)
{
return;
}
var nextBlock = nextSibling as Block;
if (nextBlock == null || !parent.Blocks.Contains(nextBlock))
{
parent.Blocks.Add(block);
}
parent.Blocks.InsertBefore(nextBlock, block);
}
private static int GetCharOffsetToPosition(Inline currentInline, TextPointer position, out TextPointer result)
{
Run run = currentInline as Run;
if (run != null)
{
return(GetCharOffsetToPosition(run, position, out result));
}
LineBreak lineBreak = currentInline as LineBreak;
if (lineBreak != null)
{
return(GetCharOffsetToPosition(lineBreak, position, out result));
}
Span span = currentInline as Span;
if (span != null)
{
return(GetCharOffsetToPosition(span, position, out result));
}
InlineUIContainer inlineUIContainer = currentInline as InlineUIContainer;
if (inlineUIContainer != null)
{
return(GetCharOffsetToPosition(inlineUIContainer, position, out result));
}
AnchoredBlock anchoredBlock = currentInline as AnchoredBlock;
if (anchoredBlock != null)
{
return(GetCharOffsetToPosition(anchoredBlock, position, out result));
}
throw new ArgumentException();
}
private static TextPointer GetPointerFromCharOffset(Inline currentInline, ref int charOffset)
{
Run run = currentInline as Run;
if (run != null)
{
return(GetPointerFromCharOffset(run, ref charOffset));
}
LineBreak lineBreak = currentInline as LineBreak;
if (lineBreak != null)
{
return(GetPointerFromCharOffset(lineBreak, ref charOffset));
}
Span span = currentInline as Span;
if (span != null)
{
return(GetPointerFromCharOffset(span, ref charOffset));
}
InlineUIContainer inlineUIContainer = currentInline as InlineUIContainer;
if (inlineUIContainer != null)
{
return(GetPointerFromCharOffset(inlineUIContainer, ref charOffset));
}
AnchoredBlock anchoredBlock = currentInline as AnchoredBlock;
if (anchoredBlock != null)
{
return(GetPointerFromCharOffset(anchoredBlock, ref charOffset));
}
throw new ArgumentException();
}
// Token: 0x06006B36 RID: 27446 RVA: 0x001EF6F4 File Offset: 0x001ED8F4
internal override bool InvalidateStructure(int startPosition)
{
Invariant.Assert(base.ParagraphEndCharacterPosition >= startPosition);
bool result = false;
if (base.ParagraphStartCharacterPosition == startPosition)
{
result = true;
AnchoredBlock anchoredBlock = null;
if (this._attachedObjects != null && this._attachedObjects.Count > 0)
{
anchoredBlock = (AnchoredBlock)this._attachedObjects[0].Element;
}
if (anchoredBlock != null && startPosition == anchoredBlock.ElementStartOffset)
{
StaticTextPointer staticTextPointerFromCP = TextContainerHelper.GetStaticTextPointerFromCP(base.StructuralCache.TextContainer, startPosition);
if (staticTextPointerFromCP.GetPointerContext(LogicalDirection.Forward) == TextPointerContext.ElementStart)
{
result = (anchoredBlock != staticTextPointerFromCP.GetAdjacentElement(LogicalDirection.Forward));
}
}
}
this.InvalidateTextFormatCache();
if (this._attachedObjects != null)
{
for (int i = 0; i < this._attachedObjects.Count; i++)
{
BaseParagraph para = this._attachedObjects[i].Para;
if (para.ParagraphEndCharacterPosition >= startPosition)
{
para.InvalidateStructure(startPosition);
}
}
}
return(result);
}
public static IEnumerable <TextElement> GetChildren(this AnchoredBlock parent)
{
return(parent.Blocks);
}
private static int GetCharOffsetToPosition(AnchoredBlock anchoredBlock, TextPointer position, out TextPointer result)
{
return(GetCharOffsetToPosition(anchoredBlock.Blocks, position, out result));
}
private static TextPointer GetPointerFromCharOffset(AnchoredBlock anchoredBlock, ref int charOffset)
{
return(GetPointerFromCharOffset(anchoredBlock.ElementEnd, anchoredBlock.Blocks, ref charOffset));
}