protected function _prepareValueOptions() { if ($this->getAttribute() === 'attribute_set_id') { $entityTypeId = Mage::getSingleton('eav/config')->getEntityType(Mage_Catalog_Model_Product::ENTITY)->getId(); $selectOptions = Mage::getResourceModel('eav/entity_attribute_set_collection')->setEntityTypeFilter($entityTypeId)->load()->toOptionArray(); $this->setData('value_select_options', $selectOptions); } return parent::_prepareValueOptions(); }