providerManager = $provider_manager; $this->render = $renderer; } /** * {@inheritdoc} */ public static function create(ContainerInterface $container) { return new static($container->get('video_embed_field.provider_manager'), $container->get('renderer')); } /** * {@inheritdoc} */ public function buildForm(array $form, FormStateInterface $form_state, FilterFormat $filter_format = NULL) { // Add AJAX support. $form['#prefix'] = '

'; $form['#suffix'] = '

'; // Ensure relevant dialog libraries are attached. $form['#attached']['library'][] = 'editor/drupal.editor.dialog'; // Simple URL field and submit button for video URL. $form['video_url'] = [ '#type' => 'textfield', '#title' => $this->t('Video URL'), '#required' => TRUE, '#default_value' => $this->getUserInput($form_state, 'video_url'), ]; // If no settings are found, use the defaults configured in the filter // formats interface. $settings = $this->getUserInput($form_state, 'settings'); if (empty($settings) && $editor = Editor::load($filter_format->id())) { $editor_settings = $editor->getSettings(); $plugin_settings = NestedArray::getValue($editor_settings, [ 'plugins', 'video_embed', 'defaults', 'children', ]); $settings = $plugin_settings ? $plugin_settings : []; } // Create a settings form from the existing video formatter. $form['settings'] = Video::mockInstance($settings)->settingsForm([], new FormState());; $form['settings']['#type'] = 'fieldset'; $form['settings']['#title'] = $this->t('Settings'); $form['actions'] = [ '#type' => 'actions', ]; $form['actions']['save_modal'] = [ '#type' => 'submit', '#value' => $this->t('Save'), '#submit' => [], '#ajax' => [ 'callback' => '::ajaxSubmit', 'event' => 'click', 'wrapper' => 'video-embed-dialog-form', ], ]; return $form; } /** * Get a value from the widget in the WYSIWYG. * * @param \Drupal\Core\Form\FormStateInterface $form_state * The form state to extract values from. * @param string $key * The key to get from the selected WYSIWYG element. * * @return string * The default value. */ protected function getUserInput(FormStateInterface $form_state, $key) { return isset($form_state->getUserInput()['editor_object'][$key]) ? $form_state->getUserInput()['editor_object'][$key] : ''; } /** * Get the values from the form and provider required for the client. * * @param \Drupal\Core\Form\FormStateInterface $form_state * The form state from the dialog submission. * @param \Drupal\video_embed_field\ProviderPluginInterface $provider * The provider loaded from the user input. * * @return array * An array of values sent to the client for use in the WYSIWYG. */ protected function getClientValues(FormStateInterface $form_state, ProviderPluginInterface $provider) { // All settings from the field formatter exist in the form and are relevant // for the rendering of the video. $video_formatter_settings = Video::defaultSettings(); foreach ($video_formatter_settings as $key => $default) { $video_formatter_settings[$key] = $form_state->getValue($key); } $provider->downloadThumbnail(); $thumbnail_preview = ImageStyle::load('video_embed_wysiwyg_preview')->buildUrl($provider->getLocalThumbnailUri()); $thumbnail_preview_parts = parse_url($thumbnail_preview); return [ 'preview_thumbnail' => $thumbnail_preview_parts['path'] . (!empty($thumbnail_preview_parts['query']) ? '?' : '') . $thumbnail_preview_parts['query'], 'video_url' => $form_state->getValue('video_url'), 'settings' => $video_formatter_settings, 'settings_summary' => Video::mockInstance($video_formatter_settings)->settingsSummary(), ]; } /** * {@inheritdoc} */ public function validateForm(array &$form, FormStateInterface $form_state) { $provider = $this->getProvider($form_state->getValue('video_url')); // Display an error if no provider can be loaded for this video. if (FALSE == $provider) { $form_state->setError($form['video_url'], $this->t('Could not find a video provider to handle the given URL.')); return; } } /** * An AJAX submit callback to validate the WYSIWYG modal. */ public function ajaxSubmit(array &$form, FormStateInterface $form_state) { $response = new AjaxResponse(); if (!$form_state->getErrors()) { // Load the provider and get the information needed for the client. $provider = $this->getProvider($form_state->getValue('video_url')); $response->addCommand(new EditorDialogSave($this->getClientValues($form_state, $provider))); $response->addCommand(new CloseModalDialogCommand()); } else { unset($form['#prefix'], $form['#suffix']); $form['status_messages'] = [ '#type' => 'status_messages', '#weight' => -10, ]; $response->addCommand(new HtmlCommand(NULL, $form)); } return $response; } /** * Get a provider from some input. * * @param string $input * The input string. * * @return bool|\Drupal\video_embed_field\ProviderPluginInterface * A video provider or FALSE on failure. */ protected function getProvider($input) { return $this->providerManager->loadProviderFromInput($input); } /** * {@inheritdoc} */ public function submitForm(array &$form, FormStateInterface $form_state) { // The AJAX commands were already added in the AJAX callback. Do nothing in // the submit form. } /** * {@inheritdoc} */ public function getFormId() { return 'video_embed_dialog'; } }