Method moveGroupFolderToFolder

app/src/DataModel/ProjectModel.cpp:6427–6447

* @brief Re-parents a group folder, rejecting a cyclic move into its own subtree. */

 * @brief Re-parents a group folder, rejecting a cyclic move into its own subtree.
 */
void DataModel::ProjectModel::moveGroupFolderToFolder(int folderId, int parentFolderId)
{
  if (parentFolderId != -1 && !folderExists(m_groupFolders, parentFolderId))
    return;

  if (folderIsSelfOrDescendant(m_groupFolders, folderId, parentFolderId))
    return;

  for (auto& f : m_groupFolders) {
    if (f.folderId != folderId)
      continue;

    if (f.parentFolderId == parentFolderId)
      return;

    f.parentFolderId = parentFolderId;
    setModified(true);
    Q_EMIT groupsChanged();
    return;
  }
}

/**
 * @brief Reorders a group folder among its sibling folders in the same parent.