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<?php
namespace Drupal\locale\Form;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\language\ConfigurableLanguageManagerInterface;
use Drupal\language\Entity\ConfigurableLanguage;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Form constructor for the translation import screen.
*/
class ImportForm extends FormBase {
/**
* Uploaded file entity.
*
* @var \Drupal\file\Entity\File
*/
protected $file;
/**
* The module handler service.
*
* @var \Drupal\Core\Extension\ModuleHandlerInterface
*/
protected $moduleHandler;
/**
* The configurable language manager.
*
* @var \Drupal\language\ConfigurableLanguageManagerInterface
*/
protected $languageManager;
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('module_handler'),
$container->get('language_manager')
);
}
/**
* Constructs a form for language import.
*
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
* The module handler service.
* @param \Drupal\language\ConfigurableLanguageManagerInterface $language_manager
* The configurable language manager.
*/
public function __construct(ModuleHandlerInterface $module_handler, ConfigurableLanguageManagerInterface $language_manager) {
$this->moduleHandler = $module_handler;
$this->languageManager = $language_manager;
}
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'locale_translate_import_form';
}
/**
* Form constructor for the translation import screen.
*/
public function buildForm(array $form, FormStateInterface $form_state) {
$languages = $this->languageManager->getLanguages();
// Initialize a language list to the ones available, including English if we
// are to translate Drupal to English as well.
$existing_languages = [];
foreach ($languages as $langcode => $language) {
if (locale_is_translatable($langcode)) {
$existing_languages[$langcode] = $language->getName();
}
}
// If we have no languages available, present the list of predefined
// languages only. If we do have already added languages, set up two option
// groups with the list of existing and then predefined languages.
if (empty($existing_languages)) {
$language_options = $this->languageManager->getStandardLanguageListWithoutConfigured();
$default = key($language_options);
}
else {
$default = key($existing_languages);
$language_options = [
(string) $this->t('Existing languages') => $existing_languages,
(string) $this->t('Languages not yet added') => $this->languageManager->getStandardLanguageListWithoutConfigured(),
];
}
$validators = [
'file_validate_extensions' => ['po'],
'file_validate_size' => [file_upload_max_size()],
];
$form['file'] = [
'#type' => 'file',
'#title' => $this->t('Translation file'),
'#description' => [
'#theme' => 'file_upload_help',
'#description' => $this->t('A Gettext Portable Object file.'),
'#upload_validators' => $validators,
],
'#size' => 50,
'#upload_validators' => $validators,
'#attributes' => ['class' => ['file-import-input']],
];
$form['langcode'] = [
'#type' => 'select',
'#title' => $this->t('Language'),
'#options' => $language_options,
'#default_value' => $default,
'#attributes' => ['class' => ['langcode-input']],
];
$form['customized'] = [
'#title' => $this->t('Treat imported strings as custom translations'),
'#type' => 'checkbox',
];
$form['overwrite_options'] = [
'#type' => 'container',
'#tree' => TRUE,
];
$form['overwrite_options']['not_customized'] = [
'#title' => $this->t('Overwrite non-customized translations'),
'#type' => 'checkbox',
'#states' => [
'checked' => [
':input[name="customized"]' => ['checked' => TRUE],
],
],
];
$form['overwrite_options']['customized'] = [
'#title' => $this->t('Overwrite existing customized translations'),
'#type' => 'checkbox',
];
$form['actions'] = [
'#type' => 'actions',
];
$form['actions']['submit'] = [
'#type' => 'submit',
'#value' => $this->t('Import'),
];
return $form;
}
/**
* {@inheritdoc}
*/
public function validateForm(array &$form, FormStateInterface $form_state) {
$this->file = file_save_upload('file', $form['file']['#upload_validators'], 'translations://', 0);
// Ensure we have the file uploaded.
if (!$this->file) {
$form_state->setErrorByName('file', $this->t('File to import not found.'));
}
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
\Drupal::moduleHandler()->loadInclude('locale', 'translation.inc');
// Add language, if not yet supported.
$language = $this->languageManager->getLanguage($form_state->getValue('langcode'));
if (empty($language)) {
$language = ConfigurableLanguage::createFromLangcode($form_state->getValue('langcode'));
$language->save();
drupal_set_message($this->t('The language %language has been created.', ['%language' => $this->t($language->label())]));
}
$options = array_merge(_locale_translation_default_update_options(), [
'langcode' => $form_state->getValue('langcode'),
'overwrite_options' => $form_state->getValue('overwrite_options'),
'customized' => $form_state->getValue('customized') ? LOCALE_CUSTOMIZED : LOCALE_NOT_CUSTOMIZED,
]);
$this->moduleHandler->loadInclude('locale', 'bulk.inc');
$file = locale_translate_file_attach_properties($this->file, $options);
$batch = locale_translate_batch_build([$file->uri => $file], $options);
batch_set($batch);
// Create or update all configuration translations for this language.
\Drupal::moduleHandler()->loadInclude('locale', 'bulk.inc');
if ($batch = locale_config_batch_update_components($options, [$form_state->getValue('langcode')])) {
batch_set($batch);
}
$form_state->setRedirect('locale.translate_page');
}
}