public function AutocompleteTagsWidget::elementValidate

Overrides \Drupal\entity_reference\Plugin\field\widget\AutocompleteWidgetBase::elementValidate()

Overrides AutocompleteWidgetBase::elementValidate

File

drupal/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/field/widget/AutocompleteTagsWidget.php, line 39

Contains \Drupal\entity_reference\Plugin\field\widget\AutocompleteTagsWidget.

Class

AutocompleteTagsWidget

Plugin implementation of the 'entity_reference autocomplete-tags' widget.

Namespace

Code

public function elementValidate($element, &$form_state, $form) {
  $value = array();

  // If a value was entered into the autocomplete.
  $handler = entity_reference_get_selection_handler($this->field, $this->instance);
  $bundles = entity_get_bundles($this->field['settings']['target_type']);
  $auto_create = isset($this->instance['settings']['handler_settings']['auto_create']) ? $this->instance['settings']['handler_settings']['auto_create'] : FALSE;
  if (!empty($element['#value'])) {
    $value = array();
    foreach (drupal_explode_tags($element['#value']) as $input) {
      $match = FALSE;

      // Take "label (entity id)', match the id from parenthesis.
      if (preg_match("/.+\\((\\d+)\\)/", $input, $matches)) {
        $match = $matches[1];
      }
      else {

        // Try to get a match from the input string when the user didn't use
        // the autocomplete but filled in a value manually.
        $match = $handler
          ->validateAutocompleteInput($input, $element, $form_state, $form, !$auto_create);
      }
      if ($match) {
        $value[] = array(
          'target_id' => $match,
        );
      }
      elseif ($auto_create && (count($this->instance['settings']['handler_settings']['target_bundles']) == 1 || count($bundles) == 1)) {

        // Auto-create item. see entity_reference_field_presave().
        $value[] = array(
          'target_id' => 0,
          'entity' => $this
            ->createNewEntity($input, $element['#autocreate_uid']),
        );
      }
    }
  }

  // Change the element['#parents'], so in form_set_value() we
  // populate the correct key.
  array_pop($element['#parents']);
  form_set_value($element, $value, $form_state);
}