Method prepareSignal_

src/openms_gui/source/VISUAL/DIATreeTab.cpp:188–217

  OSWIndexTrace DIATreeTab::prepareSignal_(QTreeWidgetItem* item)
  {
    OSWIndexTrace tr;
    if (item == nullptr || current_data_ == nullptr)
    {
      return tr;
    }

    tr = getTrace(item);
    switch (tr.lowest)
    {
    case OSWHierarchy::Level::PROTEIN:
      if (item->childCount() == 0)
      { // no peptides... load them
        OSWFile f(current_data_->getSqlSourceFile());
        f.readProtein(*current_data_, tr.idx_prot);
        fillProt(current_data_->getProteins()[tr.idx_prot], item);
      }
      // do nothing else -- showing all transitions for a protein is overwhelming...      
      break;
    case OSWHierarchy::Level::PEPTIDE:
    case OSWHierarchy::Level::FEATURE:
    case OSWHierarchy::Level::TRANSITION:
      break;
    default:
      throw Exception::NotImplemented(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION);
    }

    return tr;
  }

  void DIATreeTab::rowSelectionChange_(QTreeWidgetItem* current, QTreeWidgetItem* /*previous*/)
  {