/**
* This function is used for submit vocabulary form
* @param NULL
* @return $form_state if success else error message
*/
public function submit()
{
$this->fillOpValues(t('Save'));
//$this->fillValues(, array('op' => t('Save')));
$output = parent::submit($this->fillValues);
if (is_array($output)) {
// There was an error.
return $output;
} else {
$form_state = $this->getFormState();
return $form_state['values'];
}
}
