Method load

src/openms_gui/source/VISUAL/ParamEditor.cpp:475–723

  }

  void ParamEditor::load(Param & param)
  {
    param_ = &param;

    tree_->clear();

    QTreeWidgetItem * parent = tree_->invisibleRootItem();
    QTreeWidgetItem * item = nullptr;

    bool has_advanced_item = false; // will be true if @p param has any advanced items; if still false, we disable the 'show advanced checkbox'

    for (Param::ParamIterator it = param.begin(); it != param.end(); ++it)
    {
      //********handle opened/closed nodes********
      const std::vector<Param::ParamIterator::TraceInfo> & trace = it.getTrace();
      for (const Param::ParamIterator::TraceInfo& par : trace)
      {
        if (par.opened)         //opened node
        {
          item = new QTreeWidgetItem(parent);
          //name
          item->setText(0, String(par.name).toQString());
          item->setForeground(0, Qt::darkGray);  // color of nodes with children

          //description
          item->setData(1, Qt::UserRole, String(par.description).toQString());
          //role
          item->setData(0, Qt::UserRole, NODE);
          //flags
          if (param_ != nullptr)
          {
            item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsEditable);
          }
          else
          {
            item->setFlags(Qt::ItemIsEnabled);
          }
          parent = item;
        }
        else         //closed node
        {
          parent = parent->parent();
          if (parent == nullptr)
          {
            parent = tree_->invisibleRootItem();
          }
        }
      }

      //********handle item********
      item = new QTreeWidgetItem(parent);

      // grey out non-editable columns (leaf nodes)
      bool is_required = it->tags.find("required") != it->tags.end();
      if (is_required)  // special color for required parameters
      {
        item->setForeground(0, QColor(255, 140, 0, 255)); // orange
        item->setForeground(2, QColor(255, 140, 0, 255));