/**
  * Gets the address values used for rendering.
  *
  * @param \Drupal\address\AddressInterface $address
  *   The address.
  * @param \Drupal\address\Entity\AddressFormatInterface $address_format
  *   The address format.
  *
  * @return array
  *   The values, keyed by address field.
  */
 protected function getValues(AddressInterface $address, AddressFormatInterface $address_format)
 {
     $values = [];
     foreach (AddressField::getAll() as $field) {
         $getter = 'get' . ucfirst($field);
         $values[$field] = $address->{$getter}();
     }
     foreach ($address_format->getUsedSubdivisionFields() as $field) {
         $value = $values[$field];
         // The template needs access to both the subdivision code and name.
         $values[$field] = ['code' => '', 'name' => $value];
         if (empty($value)) {
             // This level is empty, so there can be no sublevels.
             break;
         }
         $subdivision = $this->subdivisionRepository->get($value, $address->getLocale());
         if (!$subdivision) {
             // This level has no predefined subdivisions, stop.
             break;
         }
         // Replace the subdivision values with the predefined ones.
         $values[$field] = ['code' => $subdivision->getCode(), 'name' => $subdivision->getName()];
         if (!$subdivision->hasChildren()) {
             // The current subdivision has no children, stop.
             break;
         }
     }
     return $values;
 }
 /**
  * Gets the address values used for rendering.
  *
  * @param \Drupal\address\AddressInterface $address
  *   The address.
  * @param \Drupal\address\Entity\AddressFormatInterface $address_format
  *   The address format.
  *
  * @return array
  *   The values, keyed by address field.
  */
 protected function getValues(AddressInterface $address, AddressFormatInterface $address_format)
 {
     $values = [];
     foreach (AddressField::getAll() as $field) {
         $getter = 'get' . ucfirst($field);
         $values[$field] = $address->{$getter}();
     }
     // Replace the subdivision values with the names of any predefined ones.
     foreach ($address_format->getUsedSubdivisionFields() as $field) {
         if (empty($values[$field])) {
             // This level is empty, so there can be no sublevels.
             break;
         }
         $subdivision = $this->subdivisionRepository->get($values[$field], $address->getLocale());
         if (!$subdivision) {
             // This level has no predefined subdivisions, stop.
             break;
         }
         $values[$field] = $subdivision->getCode();
         if (!$subdivision->hasChildren()) {
             // The current subdivision has no children, stop.
             break;
         }
     }
     return $values;
 }
 /**
  * Processes the subdivision elements, adding predefined values where found.
  *
  * @param array $element
  *   The existing form element array.
  * @param array $values
  *   An array of address values, keyed by property name.
  * @param \Drupal\address\Entity\AddressFormatInterface $address_format
  *   The address format.
  *
  * @return array
  *   The processed form element array.
  */
 protected function processSubdivisionElements(array $element, array $values, AddressFormatInterface $address_format)
 {
     $depth = $this->subdivisionRepository->getDepth($values['country_code']);
     if ($depth === 0) {
         // No predefined data found.
         return $element;
     }
     $subdivision_properties = [];
     foreach ($address_format->getUsedSubdivisionFields() as $field) {
         $subdivision_properties[] = FieldHelper::getPropertyName($field);
     }
     // Load and insert the subdivisions for each parent id.
     $currentDepth = 1;
     foreach ($subdivision_properties as $index => $property) {
         if (!isset($element[$property]) || !Element::isVisibleElement($element[$property])) {
             break;
         }
         $parent_property = $index ? $subdivision_properties[$index - 1] : NULL;
         if ($parent_property && empty($values[$parent_property])) {
             break;
         }
         $parent_id = $parent_property ? $values[$parent_property] : NULL;
         $subdivisions = $this->subdivisionRepository->getList($values['country_code'], $parent_id);
         if (empty($subdivisions)) {
             break;
         }
         $element[$property]['#type'] = 'select';
         $element[$property]['#options'] = $subdivisions;
         $element[$property]['#empty_value'] = '';
         unset($element[$property]['#size']);
         if ($currentDepth < $depth) {
             $element[$property]['#ajax'] = ['callback' => [get_class($this), 'ajaxRefresh'], 'wrapper' => $element['#wrapper_id']];
         }
         $currentDepth++;
     }
     return $element;
 }