/**
  * Perform some actions on the form, right before it is displayed but already populated
  *
  * Here we add the table display to the form.
  *
  * @return \Zend_Form
  */
 public function beforeDisplay()
 {
     if ($this->_csrf) {
         $this->_csrf->initCsrfToken();
     }
     if ($this->layoutAutoWidthFactor || $this->layoutFixedWidth) {
         $div = new \MUtil_Html_DivFormElement();
         if ($this->layoutFixedWidth) {
             $div->setAsFormLayout($this->_form, $this->layoutFixedWidth);
         } else {
             $div->setAutoWidthFormLayout($this->_form, $this->layoutAutoWidthFactor);
         }
     }
 }