Method confirmGroupWidgetChange

app/src/DataModel/ProjectModel.cpp:4660–4693

* @brief Confirms a destructive group widget change and clears existing datasets if needed. */

 * @brief Confirms a destructive group widget change and clears existing datasets if needed.
 */
bool DataModel::ProjectModel::confirmGroupWidgetChange(DataModel::Group& grp,
                                                       SerialStudio::GroupWidget widget)
{
  if (grp.datasets.empty())
    return true;

  if (widget == SerialStudio::Painter) {
    grp.widget = "painter";
    return true;
  }

  const bool compatibleTarget =
    (widget == SerialStudio::DataGrid || widget == SerialStudio::MultiPlot
     || widget == SerialStudio::NoGroupWidget);
  const bool compatibleSource = (grp.widget == "multiplot" || grp.widget == "datagrid"
                                 || grp.widget == "painter" || grp.widget == "");
  if (compatibleTarget && compatibleSource) {
    grp.widget = "";
    return true;
  }

  auto ret = Misc::Utilities::showMessageBox(tr("Are you sure you want to change the group-level "
                                                "widget?"),
                                             tr("Existing datasets for this group are deleted"),
                                             QMessageBox::Question,
                                             APP_NAME,
                                             QMessageBox::Yes | QMessageBox::No);

  if (ret == QMessageBox::No)
    return false;

  grp.datasets.clear();
  return true;
}

/**
 * @brief Assigns a group widget tag and any canonical datasets for fixed-layout types.