Method createPlot

pj_plotting/widget/src/PlotDocker.cpp:266–275

 private:
  PlotWidget* createPlot(const QString& state_id) {
    auto* plot = new PlotWidget(session_, catalog_, restored_parent_);
    plot->setStateId(state_id);
    used_.insert(plot);
    plots_by_position_.push_back(plot);
    if (!plot->stateId().isEmpty() && !plots_by_id_.contains(plot->stateId())) {
      plots_by_id_.insert(plot->stateId(), plot);
    }
    return plot;
  }

  SessionManager* session_ = nullptr;
  CatalogModel* catalog_ = nullptr;