/**
* Implements \Drupal\Core\Form\FormInterface::buildForm().
*
* Builds configuration form with metadata and values from the source
* language.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
* @param \Drupal\Core\Routing\RouteMatchInterface $route_match
* (optional) The route match.
* @param string $plugin_id
* (optional) The plugin ID of the mapper.
* @param string $langcode
* (optional) The language code of the language the form is adding or
* editing.
*
* @return array
* The form structure.
*
* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
* Throws an exception if the language code provided as a query parameter in
* the request does not match an active language.
*/
public function buildForm(array $form, FormStateInterface $form_state, RouteMatchInterface $route_match = NULL, $plugin_id = NULL, $langcode = NULL)
{
/** @var \Drupal\config_translation\ConfigMapperInterface $mapper */
$mapper = $this->configMapperManager->createInstance($plugin_id);
$mapper->populateFromRouteMatch($route_match);
$language = $this->languageManager->getLanguage($langcode);
if (!$language) {
throw new NotFoundHttpException();
}
$this->mapper = $mapper;
$this->language = $language;
// ConfigTranslationFormAccess will not grant access if this raises an
// exception, so we can call this without a try-catch block here.
$langcode = $this->mapper->getLangcode();
$this->sourceLanguage = $this->languageManager->getLanguage($langcode);
// Get base language configuration to display in the form before setting the
// language to use for the form. This avoids repetitively settings and
// resetting the language to get original values later.
$this->baseConfigData = $this->mapper->getConfigData();
// Set the translation target language on the configuration factory.
$original_language = $this->languageManager->getConfigOverrideLanguage();
$this->languageManager->setConfigOverrideLanguage($this->language);
// Add some information to the form state for easier form altering.
$form_state->set('config_translation_mapper', $this->mapper);
$form_state->set('config_translation_language', $this->language);
$form_state->set('config_translation_source_language', $this->sourceLanguage);
$form['#attached']['library'][] = 'config_translation/drupal.config_translation.admin';
// Even though this is a nested form, we do not set #tree to TRUE because
// the form value structure is generated by using #parents for each element.
// @see \Drupal\config_translation\FormElement\FormElementBase::getElements()
$form['config_names'] = array('#type' => 'container');
foreach ($this->mapper->getConfigNames() as $name) {
$form['config_names'][$name] = array('#type' => 'container');
$schema = $this->typedConfigManager->get($name);
$source_config = $this->baseConfigData[$name];
$translation_config = $this->configFactory()->get($name)->get();
if ($form_element = $this->createFormElement($schema)) {
$parents = array('config_names', $name);
$form['config_names'][$name] += $form_element->getTranslationBuild($this->sourceLanguage, $this->language, $source_config, $translation_config, $parents);
}
}
$form['actions']['#type'] = 'actions';
$form['actions']['submit'] = array('#type' => 'submit', '#value' => $this->t('Save translation'), '#button_type' => 'primary');
// Set the configuration language back.
$this->languageManager->setConfigOverrideLanguage($original_language);
return $form;
}
