code: public function getShortName()
      {
          preg_match('/Widget([A-Za-z]+)\\\Module/', get_class($this), $matches);
          if (!isset($matches[1])) {
              throw new Exception(get_class($this) . " is not set up correctly!");
          }
  
          return $matches[1];
      }
docs: Get short name.
  
  @throws Exception [[@doctodo exception_description:Exception]]
  @return [[@doctodo return_type:getShortName]] [[@doctodo return_description:getShortName]]