int CommentsModel::rowCount (const QModelIndex& parent) const
{
LJComment *parentItem;
if (parent.column () > 0)
return 0;
if (!parent.isValid ())
parentItem = RootItem_;
else
parentItem = static_cast<LJComment*> (parent.internalPointer ());
qDebug () << Q_FUNC_INFO << parentItem->GetChildrenCount ();
return parentItem->GetChildrenCount ();
}