internal void PushHookup(GroupHookup child, int insertAt)
{
m_insertAfter = null; // default insert at start
m_insertRunAt = 0;
if (CurrentHookup != null)
{
if (insertAt > 0)
{
var prevChild = CurrentHookup.Children[insertAt - 1] as IItemsHookup;
if (prevChild != null)
{
if (prevChild.LastBox != null && prevChild.LastBox.Container == m_destination)
{
m_insertAfter = prevChild.LastBox;
}
var runHookup = prevChild.LastChild as LiteralStringParaHookup;
if (runHookup != null && runHookup.ParaBox == m_destination)
{
m_insertRunAt = runHookup.ClientRunIndex + 1;
}
}
}
CurrentHookup.InsertChildHookup(child, insertAt);
}
CurrentHookup = child;
}
internal void AddHookupToRun(TextClientRun run, LiteralStringParaHookup stringHookup)
{
run.Hookup = stringHookup;
stringHookup.ClientRunIndex = stringHookup.ParaBox.Source.ClientRuns.IndexOf(run);
if (CurrentHookup != null)
{
CurrentHookup.InsertChildHookup(run.Hookup, CurrentHookup.Children.Count);
}
}