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<?php
namespace Drupal\locale\Form;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\locale\StringStorageInterface;
use Drupal\Core\State\StateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Defines the locale user interface translation form base.
*
* Provides methods for searching and filtering strings.
*/
abstract class TranslateFormBase extends FormBase {
/**
* The locale storage.
*
* @var \Drupal\locale\StringStorageInterface
*/
protected $localeStorage;
/**
* The state store.
*
* @var \Drupal\Core\State\StateInterface
*/
protected $state;
/**
* The language manager.
*
* @var \Drupal\Core\Language\LanguageManagerInterface
*/
protected $languageManager;
/*
* Filter values. Shared between objects that inherit this class.
*
* @var array|null
*/
protected static $filterValues;
/**
* Constructs a new TranslationFormBase object.
*
* @param \Drupal\locale\StringStorageInterface $locale_storage
* The locale storage.
* @param \Drupal\Core\State\StateInterface $state
* The state service.
* @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
* The language manager.
*/
public function __construct(StringStorageInterface $locale_storage, StateInterface $state, LanguageManagerInterface $language_manager) {
$this->localeStorage = $locale_storage;
$this->state = $state;
$this->languageManager = $language_manager;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('locale.storage'),
$container->get('state'),
$container->get('language_manager')
);
}
/**
* Builds a string search query and returns an array of string objects.
*
* @return \Drupal\locale\TranslationString[]
* Array of \Drupal\locale\TranslationString objects.
*/
protected function translateFilterLoadStrings() {
$filter_values = $this->translateFilterValues();
// Language is sanitized to be one of the possible options in
// translateFilterValues().
$conditions = ['language' => $filter_values['langcode']];
$options = ['pager limit' => 30, 'translated' => TRUE, 'untranslated' => TRUE];
// Add translation status conditions and options.
switch ($filter_values['translation']) {
case 'translated':
$conditions['translated'] = TRUE;
if ($filter_values['customized'] != 'all') {
$conditions['customized'] = $filter_values['customized'];
}
break;
case 'untranslated':
$conditions['translated'] = FALSE;
break;
}
if (!empty($filter_values['string'])) {
$options['filters']['source'] = $filter_values['string'];
if ($options['translated']) {
$options['filters']['translation'] = $filter_values['string'];
}
}
return $this->localeStorage->getTranslations($conditions, $options);
}
/**
* Builds an array out of search criteria specified in request variables.
*
* @param bool $reset
* If the list of values should be reset.
*
* @return array
* The filter values.
*/
protected function translateFilterValues($reset = FALSE) {
if (!$reset && static::$filterValues) {
return static::$filterValues;
}
$filter_values = [];
$filters = $this->translateFilters();
foreach ($filters as $key => $filter) {
$filter_values[$key] = $filter['default'];
// Let the filter defaults be overwritten by parameters in the URL.
if ($this->getRequest()->query->has($key)) {
// Only allow this value if it was among the options, or
// if there were no fixed options to filter for.
$value = $this->getRequest()->query->get($key);
if (!isset($filter['options']) || isset($filter['options'][$value])) {
$filter_values[$key] = $value;
}
}
elseif (isset($_SESSION['locale_translate_filter'][$key])) {
// Only allow this value if it was among the options, or
// if there were no fixed options to filter for.
if (!isset($filter['options']) || isset($filter['options'][$_SESSION['locale_translate_filter'][$key]])) {
$filter_values[$key] = $_SESSION['locale_translate_filter'][$key];
}
}
}
return static::$filterValues = $filter_values;
}
/**
* Lists locale translation filters that can be applied.
*/
protected function translateFilters() {
$filters = [];
// Get all languages, except English.
$this->languageManager->reset();
$languages = $this->languageManager->getLanguages();
$language_options = [];
foreach ($languages as $langcode => $language) {
if (locale_is_translatable($langcode)) {
$language_options[$langcode] = $language->getName();
}
}
// Pick the current interface language code for the filter.
$default_langcode = $this->languageManager->getCurrentLanguage()->getId();
if (!isset($language_options[$default_langcode])) {
$available_langcodes = array_keys($language_options);
$default_langcode = array_shift($available_langcodes);
}
$filters['string'] = [
'title' => $this->t('String contains'),
'description' => $this->t('Leave blank to show all strings. The search is case sensitive.'),
'default' => '',
];
$filters['langcode'] = [
'title' => $this->t('Translation language'),
'options' => $language_options,
'default' => $default_langcode,
];
$filters['translation'] = [
'title' => $this->t('Search in'),
'options' => [
'all' => $this->t('Both translated and untranslated strings'),
'translated' => $this->t('Only translated strings'),
'untranslated' => $this->t('Only untranslated strings'),
],
'default' => 'all',
];
$filters['customized'] = [
'title' => $this->t('Translation type'),
'options' => [
'all' => $this->t('All'),
LOCALE_NOT_CUSTOMIZED => $this->t('Non-customized translation'),
LOCALE_CUSTOMIZED => $this->t('Customized translation'),
],
'states' => [
'visible' => [
':input[name=translation]' => ['value' => 'translated'],
],
],
'default' => 'all',
];
return $filters;
}
}