public static function DoubleField::validateAllowedValues in Double Field 4.x

Same name and namespace in other branches

1. 8.3 src/Plugin/Field/FieldType/DoubleField.php \Drupal\double_field\Plugin\Field\FieldType\DoubleField::validateAllowedValues()

Element validate callback for subfield allowed values.

Parameters

array $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\FormElement::processPattern()

File

src/Plugin/Field/FieldType/DoubleField.php, line 478

Class

DoubleField

Plugin implementation of the 'double_field' field type.

Namespace

Drupal\double_field\Plugin\Field\FieldType

Code

public static function validateAllowedValues(array $element, FormStateInterface $form_state) : void {
  $values = static::extractAllowedValues($element['#value']);

  // Check if keys are valid for the field type.
  foreach ($values as $key => $value) {
    switch ($element['#storage_type']) {
      case 'string':

        // @see \Drupal\options\Plugin\Field\FieldType\ListStringItem::validateAllowedValue()
        if (mb_strlen($key) > $element['#storage_maxlength']) {
          $error_message = t('Allowed values list: each key must be a string at most @maxlength characters long.', [
            '@maxlength' => $element['#storage_maxlength'],
          ]);
          $form_state
            ->setError($element, $error_message);
        }
        break;
      case 'integer':

        // @see \Drupal\options\Plugin\Field\FieldType\ListIntegerItem::validateAllowedValue()
        if (!preg_match('/^-?\\d+$/', $key)) {
          $form_state
            ->setError($element, 'Allowed values list: keys must be integers.');
        }
        break;
      case 'float':
      case 'numeric':

        // @see \Drupal\options\Plugin\Field\FieldType\ListFloatItem::validateAllowedValue()
        if (!is_numeric($key)) {
          $form_state
            ->setError($element, 'Allowed values list: each key must be a valid integer or decimal.');
        }
        break;
    }
  }
  $form_state
    ->setValueForElement($element, $values);
}