/**
  * Return display name for this account. If there is no display name set username will be used
  *
  * @access public
  * @param void
  * @return string
  */
 function getDisplayName()
 {
     $display = parent::getDisplayName();
     return trim($display) == '' ? "" . $this->getFirstName() . " " . $this->getSurname() : $display;
 }
 /**
  * Return display name for this account. If there is no display name associated username will be used
  *
  * @access public
  * @param void
  * @return string
  */
 function getDisplayName()
 {
     $display = parent::getDisplayName();
     return trim($display) == '' ? $this->getUserAccount()->getUsername() : $display;
 }