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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\language\Form\LanguageAddForm. | |
| */ | |
| namespace Drupal\language\Form; | |
| use Drupal\Core\Entity\EntityInterface; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Language\LanguageManager; | |
| use Drupal\language\Entity\ConfigurableLanguage; | |
| /** | |
| * Controller for language addition forms. | |
| */ | |
| class LanguageAddForm extends LanguageFormBase { | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormId() { | |
| // @todo Remove in favour of base method. | |
| return 'language_admin_add_form'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function form(array $form, FormStateInterface $form_state) { | |
| $form['#title'] = $this->t('Add language'); | |
| $predefined_languages = $this->languageManager->getStandardLanguageListWithoutConfigured(); | |
| $predefined_languages['custom'] = $this->t('Custom language...'); | |
| $predefined_default = $form_state->getValue('predefined_langcode', key($predefined_languages)); | |
| $form['predefined_langcode'] = array( | |
| '#type' => 'select', | |
| '#title' => $this->t('Language name'), | |
| '#default_value' => $predefined_default, | |
| '#options' => $predefined_languages, | |
| ); | |
| $form['predefined_submit'] = array( | |
| '#type' => 'submit', | |
| '#value' => $this->t('Add language'), | |
| '#name' => 'add_language', | |
| '#limit_validation_errors' => array(array('predefined_langcode'), array('predefined_submit')), | |
| '#states' => array( | |
| 'invisible' => array( | |
| 'select#edit-predefined-langcode' => array('value' => 'custom'), | |
| ), | |
| ), | |
| '#validate' => array('::validatePredefined'), | |
| '#submit' => array('::submitForm', '::save'), | |
| '#button_type' => 'primary', | |
| ); | |
| $custom_language_states_conditions = array( | |
| 'select#edit-predefined-langcode' => array('value' => 'custom'), | |
| ); | |
| $form['custom_language'] = array( | |
| '#type' => 'container', | |
| '#states' => array( | |
| 'visible' => $custom_language_states_conditions, | |
| ), | |
| ); | |
| $this->commonForm($form['custom_language']); | |
| $form['custom_language']['langcode']['#states'] = array( | |
| 'required' => $custom_language_states_conditions, | |
| ); | |
| $form['custom_language']['label']['#states'] = array( | |
| 'required' => $custom_language_states_conditions, | |
| ); | |
| $form['custom_language']['submit'] = array( | |
| '#type' => 'submit', | |
| '#value' => $this->t('Add custom language'), | |
| '#name' => 'add_custom_language', | |
| '#validate' => array('::validateCustom'), | |
| '#submit' => array('::submitForm', '::save'), | |
| ); | |
| return $form; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function save(array $form, FormStateInterface $form_state) { | |
| parent::save($form, $form_state); | |
| $t_args = array('%language' => $this->entity->label(), '%langcode' => $this->entity->id()); | |
| $this->logger('language')->notice('The %language (%langcode) language has been created.', $t_args); | |
| drupal_set_message($this->t('The language %language has been created and can now be used.', $t_args)); | |
| if ($this->moduleHandler->moduleExists('block')) { | |
| // Tell the user they have the option to add a language switcher block | |
| // to their theme so they can switch between the languages. | |
| drupal_set_message($this->t('Use one of the language switcher blocks to allow site visitors to switch between languages. You can enable these blocks on the <a href=":block-admin">block administration page</a>.', array(':block-admin' => $this->url('block.admin_display')))); | |
| } | |
| $form_state->setRedirectUrl($this->entity->urlInfo('collection')); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function actions(array $form, FormStateInterface $form_state) { | |
| // No actions needed. | |
| return array(); | |
| } | |
| /** | |
| * Validates the language addition form on custom language button. | |
| */ | |
| public function validateCustom(array $form, FormStateInterface $form_state) { | |
| if ($form_state->getValue('predefined_langcode') == 'custom') { | |
| $langcode = $form_state->getValue('langcode'); | |
| // Reuse the editing form validation routine if we add a custom language. | |
| $this->validateCommon($form['custom_language'], $form_state); | |
| if ($language = $this->languageManager->getLanguage($langcode)) { | |
| $form_state->setErrorByName('langcode', $this->t('The language %language (%langcode) already exists.', array('%language' => $language->getName(), '%langcode' => $langcode))); | |
| } | |
| } | |
| else { | |
| $form_state->setErrorByName('predefined_langcode', $this->t('Use the <em>Add language</em> button to save a predefined language.')); | |
| } | |
| } | |
| /** | |
| * Element specific validator for the Add language button. | |
| */ | |
| public function validatePredefined($form, FormStateInterface $form_state) { | |
| $langcode = $form_state->getValue('predefined_langcode'); | |
| if ($langcode == 'custom') { | |
| $form_state->setErrorByName('predefined_langcode', $this->t('Fill in the language details and save the language with <em>Add custom language</em>.')); | |
| } | |
| else { | |
| if ($language = $this->languageManager->getLanguage($langcode)) { | |
| $form_state->setErrorByName('predefined_langcode', $this->t('The language %language (%langcode) already exists.', array('%language' => $language->getName(), '%langcode' => $langcode))); | |
| } | |
| } | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function copyFormValuesToEntity(EntityInterface $entity, array $form, FormStateInterface $form_state) { | |
| $langcode = $form_state->getValue('predefined_langcode'); | |
| if ($langcode == 'custom') { | |
| $langcode = $form_state->getValue('langcode'); | |
| $label = $form_state->getValue('label'); | |
| $direction = $form_state->getValue('direction'); | |
| } | |
| else { | |
| $standard_languages = LanguageManager::getStandardLanguageList(); | |
| $label = $standard_languages[$langcode][0]; | |
| $direction = isset($standard_languages[$langcode][2]) ? $standard_languages[$langcode][2] : ConfigurableLanguage::DIRECTION_LTR; | |
| } | |
| $entity->set('id', $langcode); | |
| $entity->set('label', $label); | |
| $entity->set('direction', $direction); | |
| // There is no weight on the edit form. Fetch all configurable languages | |
| // ordered by weight and set the new language to be placed after them. | |
| $languages = \Drupal::languageManager()->getLanguages(ConfigurableLanguage::STATE_CONFIGURABLE); | |
| $last_language = end($languages); | |
| $entity->setWeight($last_language->getWeight() + 1); | |
| } | |
| } |