protected function ParagraphsWidget::removeButtonAccess

Check remove button access.

Parameters

\Drupal\paragraphs\ParagraphInterface $paragraph: Paragraphs entity to check.

Return value

bool TRUE if we can remove paragraph, otherwise FALSE.

File

paragraphs/src/Plugin/Field/FieldWidget/ParagraphsWidget.php, line 3042

Class

ParagraphsWidget

Plugin implementation of the 'entity_reference_revisions paragraphs' widget.

Namespace

Code

protected function removeButtonAccess(ParagraphInterface $paragraph) {

  // Avoid checking delete access for new entities.
  if (!$paragraph
    ->isNew() && !$paragraph
    ->access('delete')) {
    return FALSE;
  }
  if (!$this
    ->allowReferenceChanges()) {
    return FALSE;
  }
  $field_required = $this->fieldDefinition
    ->isRequired();
  $allowed_types = $this
    ->getAllowedTypes();
  $cardinality = $this->fieldDefinition
    ->getFieldStorageDefinition()
    ->getCardinality();

  // Hide the button if field is required, cardinality is one and just one
  // paragraph type is allowed.
  if ($field_required && $cardinality == 1 && count($allowed_types) == 1) {
    return FALSE;
  }
  return TRUE;
}