public function setValidator($validator = null)
 {
     if (count($this->getValidators()) === 0 && $validator instanceof FormHandler\Validator\FunctionCallable && is_array($validator->getCallable())) {
         $callable = $validator->getCallable();
         //detect if it is an optional validator
         if ($callable[0] instanceof Validator && substr($callable[1], 0, 1) !== '_') {
             parent::setValidator(new \FormHandler\Validator\NotEmpty());
         }
     }
     return parent::setValidator(FormHandler::parseValidator($validator, $this));
 }
 /**
  * FormHandler::editor()
  *
  * Create a editor on the form
  *
  * @param string $title The title of the field
  * @param string $name The name of the field
  * @param string $validator The validator which should be used to validate the value of the field
  * @param string $path Path on the server where we have to upload the files
  * @param string $toolbar The toolbar we have to use
  * @param string $skin The skin to use
  * @param int $width The width of the field
  * @param int $height The height of the field
  * @param boolean $useArrayKeyAsValue If the array key's are the values for the options in the field
  * @param string $extra CSS, Javascript or other which are inserted into the HTML tag
  * @return \FormHandler\Field\TextArea
  * @author Teye Heimans
  * @deprecated No alternative exist
  */
 public function editor($title, $name, $validator = null, $path = null, $toolbar = null, $skin = null, $width = null, $height = null, $config = null)
 {
     return \FormHandler\Field\TextArea::set($this, $title, $name, $validator);
 }