Method appendGroupTreeItems

app/src/DataModel/ProjectEditor.cpp:1600–1692

* @brief Appends the Groups subtree (groups, datasets, output widgets) into root. */

 * @brief Appends the Groups subtree (groups, datasets, output widgets) into root.
 */
void DataModel::ProjectEditor::appendGroupTreeItems(QStandardItem* root,
                                                    QHash<QString, bool>& expandedStates)
{
  Q_ASSERT(root != nullptr);

  const QString q         = m_treeSearchQuery.trimmed();
  const bool filterActive = !q.isEmpty();
  const auto matches      = [&q](const QString& s) {
    return s.contains(q, Qt::CaseInsensitive);
  };

  const auto groupFilteredOut = [&](const DataModel::Group& g, bool groupTitleMatches) {
    if (!filterActive || groupTitleMatches)
      return false;

    for (const auto& ds : g.datasets)
      if (matches(ds.title))
        return false;

    return true;
  };

  const auto& groups     = DataModel::ProjectModel::instance().groups();
  const auto& folders    = DataModel::ProjectModel::instance().editorGroupFolders();
  const bool showFolders = !filterActive && !folders.empty();

  bool anyGroup = false;
  for (const auto& group : groups) {
    const bool groupMatches = !filterActive || matches(group.title);
    if (!groupFilteredOut(group, groupMatches)) {
      anyGroup = true;
      break;
    }
  }

  if (!anyGroup && !showFolders)
    return;

  auto* groupsRoot = new QStandardItem(tr("Dashboard Widgets"));
  groupsRoot->setData(tr("Dashboard Widgets"), TreeViewText);
  groupsRoot->setData("qrc:/icons/project-editor/treeview/dashboard-widgets.svg", TreeViewIcon);
  groupsRoot->setData(-1, TreeViewFrameIndex);
  groupsRoot->setData(true, TreeViewExpanded);

  QHash<int, QStandardItem*> folderItems;
  if (showFolders)
    folderItems =
      appendGroupFolderItems(groupsRoot, root->text() + "/" + groupsRoot->text(), expandedStates);

  for (const auto& group : groups) {
    const bool groupMatches = !filterActive || matches(group.title);
    if (groupFilteredOut(group, groupMatches))
      continue;

    auto* groupItem = new QStandardItem(group.title);
    auto icon = SerialStudio::dashboardWidgetIcon(SerialStudio::getDashboardWidget(group), false);

    groupItem->setData(icon, TreeViewIcon);