attributeCollectionFactory = $attributeCollectionFactory; } /** * Set "name" for element * * @param string $value * @return $this */ public function setInputName($value) { return $this->setName($value); } /** * Set "id" for element * * @param string $value * @return $this */ public function setInputId($value) { return $this->setId($value); } /** * Render block HTML * * @return string */ public function _toHtml() { if (!$this->getOptions()) { $this->setOptions($this->getAttributeOptions()); } return parent::_toHtml(); } /** * Get all filterable product attributes as options * * @return array */ private function getAttributeOptions() { $options = [['value' => '', 'label' => __('-- Please Select --')]]; $collection = $this->attributeCollectionFactory->create(); $collection->addFieldToFilter('is_filterable', ['gt' => 0]); foreach ($collection as $attribute) { $options[] = [ 'value' => $attribute->getAttributeId(), 'label' => $attribute->getFrontendLabel() . ' (' . $attribute->getAttributeCode() . ')' ]; } return $options; } }