/** * @param string $content * @param array $attribs * @param ElementInterface $element * @param FormInterface $form * @return string */ public function render($content, array $attribs = [], ElementInterface $element = null, FormInterface $form = null) { if ($form && $form->hasAttribute('class')) { $class = $form->getAttribute('class'); if (strpos($class, 'form-inline') !== false) { return $content; } if (strpos($class, 'form-horizontal') !== false && empty($attribs['class']) && $form->has('submit') && $form->has('reset')) { if ($form->get('submit') === $element) { $attribs['class'] = 'col-xs-12 col-sm-8'; } elseif ($form->get('reset') === $element) { $attribs['class'] = 'col-xs-12 col-sm-4'; } } } return parent::render($content, $attribs); }