setDropzoneJsUploadSave($container->get('dropzonejs.upload_save')); return $form; } /** * {@inheritdoc} */ public function getFormId() { return $this->getBaseFormId() . '_dropzonejs'; } /** * Set the upload service. * * @param \Drupal\dropzonejs\DropzoneJsUploadSaveInterface $dropzoneJsUploadSave * The upload service. */ protected function setDropzoneJsUploadSave(DropzoneJsUploadSaveInterface $dropzoneJsUploadSave) { $this->dropzoneJsUploadSave = $dropzoneJsUploadSave; } /** * {@inheritdoc} */ protected function buildInputElement(array $form, FormStateInterface $form_state) { $form = parent::buildInputElement($form, $form_state); // Create a file item to get the upload validators. $media_type = $this->getMediaType($form_state); $item = $this->createFileItem($media_type); $settings = $item->getFieldDefinition()->getSettings(); $slots = $form['container']['upload']['#cardinality']; $process = (array) $this->elementInfo->getInfoProperty('dropzonejs', '#process', []); $form['container']['upload']['#type'] = 'dropzonejs'; $form['container']['upload']['#process'] = array_merge(['::validateUploadElement'], $process); $translation = \Drupal::translation(); $cardinality = $slots < 1 ? 0 : $slots; $dropzone_description = $translation->formatPlural($cardinality, 'Drop file here to upload it', 'Drop files here to upload them'); $dropzone_specific_properties = [ '#max_files' => $slots < 1 ? 0 : $slots, '#max_filesize' => $settings['max_filesize'], '#extensions' => $settings['file_extensions'], '#dropzone_description' => $dropzone_description, ]; $form['container']['upload'] += $dropzone_specific_properties; $form['auto_select_handler'] = [ '#type' => 'hidden', '#name' => 'auto_select_handler', '#id' => 'auto_select_handler', '#attributes' => ['id' => 'auto_select_handler'], '#submit' => ['::uploadButtonSubmit'], '#executes_submit_callback' => TRUE, '#ajax' => [ 'callback' => '::updateFormCallback', 'wrapper' => 'media-library-wrapper', 'event' => 'auto_select_media_library_widget', // Add a fixed URL to post the form since AJAX forms are automatically // posted to instead of $form['#action']. // @todo Remove when https://www.drupal.org/project/drupal/issues/2504115 // is fixed. // Follow along with changes in \Drupal\media_library\Form\OEmbedForm. 'url' => Url::fromRoute('media_library.ui'), 'options' => [ 'query' => $this->getMediaLibraryState($form_state)->all() + [ FormBuilderInterface::AJAX_FORM_REQUEST => TRUE, ], ], ], ]; $form['#attached']['library'][] = 'dropzonejs/widget'; $form['#attached']['library'][] = 'dropzonejs/media_library'; return $form; } /** * Validates the upload element. * * @param array $element * The upload element. * @param \Drupal\Core\Form\FormStateInterface $form_state * The form state. * * @return array * The processed upload element. */ public function validateUploadElement(array $element, FormStateInterface $form_state) { if ($form_state::hasAnyErrors()) { // When an error occurs during uploading files, remove all files so the // user can re-upload the files. $element['#value'] = []; } $values = $form_state->getValue('upload', []); if (count($values['uploaded_files']) > $element['#cardinality'] && $element['#cardinality'] !== FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) { $form_state->setError($element, $this->t('A maximum of @count files can be uploaded.', [ '@count' => $element['#cardinality'], ])); $form_state->setValue('upload', []); $element['#value'] = []; } return $element; } /** * Submit handler for the upload button, inside the managed_file element. * * @param array $form * The form render array. * @param \Drupal\Core\Form\FormStateInterface $form_state * The form state. */ public function uploadButtonSubmit(array $form, FormStateInterface $form_state) { $files = $this->getFiles($form, $form_state); $this->processInputValues($files, $form, $form_state); } /** * Gets uploaded files. * * We implement this to allow child classes to operate on different entity * type while still having access to the files in the validate callback here. * * @param array $form * Form structure. * @param \Drupal\Core\Form\FormStateInterface $form_state * Form state object. * * @return \Drupal\file\FileInterface[] * Array of uploaded files. */ protected function getFiles(array $form, FormStateInterface $form_state) { // Create a file item to get the upload validators. $media_type = $this->getMediaType($form_state); $item = $this->createFileItem($media_type); $settings = $item->getFieldDefinition()->getSettings(); $additional_validators = ['file_validate_size' => [Bytes::toNumber($settings['max_filesize']), 0]]; $files = $form_state->get(['dropzonejs', $this->getFormId(), 'files']); if (!$files) { $files = []; } // We do some casting because $form_state->getValue() might return NULL. foreach ((array) $form_state->getValue(['upload', 'uploaded_files'], []) as $file) { if (file_exists($file['path'])) { $entity = $this->dropzoneJsUploadSave->createFile( $file['path'], // Need to leave destination empty, because Media Library will handle // the moving of the file to proper location. '', $settings['file_extensions'], $this->currentUser(), $additional_validators ); if ($entity) { $files[] = $entity; } } } if ($form['container']['upload']['#max_files']) { $files = array_slice($files, -$form['container']['upload']['#max_files']); } $form_state->set(['dropzonejs', $this->getFormId(), 'files'], $files); return $files; } }