Same name and namespace in other branches

1. 9 core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::validateAllowedValues()
2. 8.9.x core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::validateAllowedValues()
3. 11.x core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::validateAllowedValues()

#element_validate callback for options field allowed values.

Parameters

$element: An associative array containing the properties and children of the generic form element.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form for the form this element belongs to.

See also

\Drupal\Core\Render\Element\FormElementBase::processPattern()

File

core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php, line 347

Class

ListItemBase

Plugin base class inherited by the options field types.

Namespace

Drupal\options\Plugin\Field\FieldType

Code

public static function validateAllowedValues($element, FormStateInterface $form_state) {
  $items = array_filter(array_map(function ($item) use ($element) {
    $current_element = $element['table'][$item];
    if ($current_element['item']['key']['#value'] !== NULL && $current_element['item']['label']['#value']) {
      return $current_element['item']['key']['#value'] . '|' . $current_element['item']['label']['#value'];
    }
    elseif ($current_element['item']['key']['#value']) {
      return $current_element['item']['key']['#value'];
    }
    elseif ($current_element['item']['label']['#value']) {
      return $current_element['item']['label']['#value'];
    }
    return NULL;
  }, Element::children($element['table'])), function ($item) {
    return $item;
  });
  if ($reordered_items = $form_state->getValue([
    $element['#parents'],
    'table',
  ])) {
    uksort($items, function ($a, $b) use ($reordered_items) {
      $a_weight = $reordered_items[$a]['weight'] ?? 0;
      $b_weight = $reordered_items[$b]['weight'] ?? 0;
      return $a_weight <=> $b_weight;
    });
  }
  $values = static::extractAllowedValues($items, $element['#field_has_data']);
  if (!is_array($values)) {
    $form_state->setError($element, new TranslatableMarkup('Allowed values list: invalid input.'));
  }
  else {
    // Check that keys are valid for the field type.
    foreach ($values as $key => $value) {
      if ($error = static::validateAllowedValue($key)) {
        $form_state->setError($element, $error);
        break;

      }
    }
    $form_state->setValueForElement($element, $values);
  }
}

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