function FieldStorageConfigEditForm::validateCardinality

Validates the cardinality.

Parameters

array $element: The cardinality form render array.

\Drupal\Core\Form\FormStateInterface $form_state: The form state.

File

core/modules/field_ui/src/Form/FieldStorageConfigEditForm.php, line 182

Class

FieldStorageConfigEditForm

Provides a form for the "field storage" edit page.

Namespace

Code

public function validateCardinality(array &$element, FormStateInterface $form_state) {
    $field_storage_definitions = \Drupal::service('entity_field.manager')->getFieldStorageDefinitions($this->entity
        ->getTargetEntityTypeId());
    // Validate field cardinality.
    if ($form_state->getValue('cardinality') === 'number' && !$form_state->getValue('cardinality_number')) {
        $form_state->setError($element['cardinality_number'], $this->t('Number of values is required.'));
    }
    elseif (!$this->entity
        ->isNew() && isset($field_storage_definitions[$this->entity
        ->getName()]) && $form_state->getValue('cardinality') != FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) {
        // Get a count of entities that have a value in a delta higher than the
        // one selected. Deltas start with 0, so the selected value does not
        // need to be incremented.
        $entities_with_higher_delta = \Drupal::entityQuery($this->entity
            ->getTargetEntityTypeId())
            ->accessCheck(FALSE)
            ->condition($this->entity
            ->getName() . '.%delta', $form_state->getValue('cardinality'))
            ->count()
            ->execute();
        if ($entities_with_higher_delta) {
            $form_state->setError($element['cardinality_number'], $this->formatPlural($entities_with_higher_delta, 'There is @count entity with @delta or more values in this field.', 'There are @count entities with @delta or more values in this field.', [
                '@delta' => $form_state->getValue('cardinality') + 1,
            ]));
        }
    }
}