WimaPlaner.cc

      WimaCorridor *corridor = qobject_cast<WimaCorridor *>(area);
      if (corridor != nullptr) {
        corridor->saveToJson(json);
        jsonArray.append(json);
        continue;
      }

      // if non of the obove branches was trigger, type must be WimaArea
      area->saveToJson(json);
      jsonArray.append(json);
    }

    json[areaItemsName] = jsonArray;
    json[missionItemsName] = _masterController->saveToJson().object();

    return QJsonDocument(json);
  } else if (fileType == FileType::PlanFile) {
    return _masterController->saveToJson();
  }

  return QJsonDocument(json);
}