Method Insert

libraries/lib-track/Track.cpp:481–501

}

void TrackList::Insert(const Track* before,
   const Track::Holder &pSrc, bool assignIds)
{
   assert(before == nullptr || Find(before) != EndIterator<const Track>());

   if(before == nullptr)
   {
      Add(pSrc, assignIds);
      return;
   }

   std::vector<Track *> arr;
   arr.reserve(Size() + 1);
   for (const auto track : *this) {
      if (track == before)
         arr.push_back(pSrc.get());
      arr.push_back(track);
   }
   Add(pSrc, assignIds);
   Permute(arr);
}

void TrackList::Permute(const std::vector<Track *> &tracks)
{