/** * {@inheritdoc} */ public function extractFormValues(FieldItemListInterface $items, array $form, FormStateInterface $form_state) { $field_name = $this->fieldDefinition->getName(); // Extract the values from $form_state->getValues(). $path = array_merge($form['#parents'], array($field_name)); $key_exists = NULL; $values = NestedArray::getValue($form_state->getValues(), $path, $key_exists); if ($key_exists) { // Account for drag-and-drop reordering if needed. if (!$this->handlesMultipleValues()) { // Remove the 'value' of the 'add more' button. unset($values['add_more']); // The original delta, before drag-and-drop reordering, is needed to // route errors to the correct form element. foreach ($values as $delta => &$value) { $value['_original_delta'] = $delta; } usort($values, function ($a, $b) { return SortArray::sortByKeyInt($a, $b, '_weight'); }); } // Let the widget massage the submitted values. foreach ($values as $delta => &$value) { if (!empty($value['value']) && empty($value['fids'])) { // ready to save the file $provider_manager = \Drupal::service('video.provider_manager'); $allowed_providers = $this->getSetting('allowed_providers'); $enabled_providers = $provider_manager->loadDefinitionsFromOptionList($allowed_providers); if ($provider_matches = $provider_manager->loadApplicableDefinitionMatches($enabled_providers, $value['value'])) { $definition = $provider_matches['definition']; $matches = $provider_matches['matches']; $uri = $definition['stream_wrapper'] . '://' . $matches['id']; $storage = \Drupal::entityManager()->getStorage('file'); $results = $storage->getQuery()->condition('uri', $uri)->execute(); if (!(count($results) > 0)) { $user = \Drupal::currentUser(); $file = File::Create(['uri' => $uri, 'filemime' => $definition['mimetype'], 'filesize' => 1, 'uid' => $user->id()]); $file->save(); unset($values[$delta]); $values[] = array('fids' => array($file->id()), 'data' => serialize($matches)); } else { unset($values[$delta]); $values[] = array('fids' => array(reset($results)), 'data' => serialize($matches)); } } } } $values = $this->massageFormValues($values, $form, $form_state); // Assign the values and remove the empty ones. $items->setValue($values); $items->filterEmptyItems(); // Put delta mapping in $form_state, so that flagErrors() can use it. $field_state = static::getWidgetState($form['#parents'], $field_name, $form_state); foreach ($items as $delta => $item) { $field_state['original_deltas'][$delta] = isset($item->_original_delta) ? $item->_original_delta : $delta; unset($item->_original_delta, $item->_weight); } static::setWidgetState($form['#parents'], $field_name, $form_state, $field_state); } }