// .............................................................
//
// Pasting
//
// .............................................................
// Handles a special case for pasting a single embedded element -
// needs to choose between BlockUIContainer and InlineUIContainer.
private static bool PasteSingleEmbeddedElement(TextRange range, TextElement fragment)
{
if (fragment.ContentStart.GetOffsetToPosition(fragment.ContentEnd) == 3)
{
TextElement uiContainer = fragment.ContentStart.GetAdjacentElement(LogicalDirection.Forward) as TextElement;
FrameworkElement embeddedElement = null;
if (uiContainer is BlockUIContainer)
{
embeddedElement = ((BlockUIContainer)uiContainer).Child as FrameworkElement;
if (embeddedElement != null)
{
((BlockUIContainer)uiContainer).Child = null;
}
}
else if (uiContainer is InlineUIContainer)
{
embeddedElement = ((InlineUIContainer)uiContainer).Child as FrameworkElement;
if (embeddedElement != null)
{
((InlineUIContainer)uiContainer).Child = null;
}
}
if (embeddedElement != null)
{
range.InsertEmbeddedUIElement(embeddedElement);
return true;
}
}
return false;
}