optionList = $optionList; $this->moduleManager = $moduleManager; } /** * Execute * * @param \Magento\Framework\Event\Observer $observer * @return void */ public function execute(\Magento\Framework\Event\Observer $observer) { if (!$this->moduleManager->isOutputEnabled('Magento_LayeredNavigation')) { return; } /** @var \Magento\Framework\Data\Form\AbstractForm $form */ $form = $observer->getForm(); $fieldset = $form->getElement('front_fieldset'); $fieldset->addField( 'is_filterable', 'select', [ 'name' => 'is_filterable', 'label' => __("Use in Layered Navigation"), 'title' => __('Can be used only with catalog input type Yes/No, Dropdown, Multiple Select and Price'), 'note' => __( 'Can be used only with catalog input type Yes/No, Dropdown, Multiple Select and Price.
Price is not compatible with \'Filterable (no results)\' option - it will make no affect on Price filter.' ), 'values' => [ ['value' => '0', 'label' => __('No')], ['value' => '1', 'label' => __('Filterable (with results)')], ['value' => '2', 'label' => __('Filterable (no results)')], ], ] ); $fieldset->addField( 'is_filterable_in_search', 'select', [ 'name' => 'is_filterable_in_search', 'label' => __("Use in Search Results Layered Navigation"), 'title' => __('Can be used only with catalog input type Yes/No, Dropdown, Multiple Select and Price'), 'note' => __('Can be used only with catalog input type Yes/No, Dropdown, Multiple Select and Price.'), 'values' => $this->optionList->toOptionArray(), ] ); $fieldset->addField( 'position', 'text', [ 'name' => 'position', 'label' => __('Position'), 'title' => __('Position in Layered Navigation'), 'note' => __('Position of attribute in layered navigation block.'), 'class' => 'validate-digits' ] ); } }