Smile\ElasticsuiteThesaurus\Block\Adminhtml\Thesaurus\Edit\Form::addExpansionFields PHP Метод

    private function addExpansionFields($fieldset, $model)
    {
        $form = $fieldset->getForm();
        /* @var $bagRenderer \Smile\ElasticsuiteThesaurus\Block\Adminhtml\Thesaurus\Renderer\Expansions */
        $bagRenderer = $this->getLayout()->createBlock('Smile\\ElasticsuiteThesaurus\\Block\\Adminhtml\\Thesaurus\\Renderer\\Expansions')->setForm($fieldset->getForm());
        $fieldset = $form->addFieldset('bag_of_words_fieldset', ['legend' => __('Bag of words')]);
        $fieldset->addField('bag_of_words', 'note', []);
        $form->getElement('bag_of_words_fieldset')->setName('terms_relations')->setValue($model->getTermsData())->setRenderer($bagRenderer);
        $form->getElement('bag_of_words_fieldset')->getRenderer()->setValues($model->getTermsData());
        return $this;
    }