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<?php |
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namespace Charcoal\Translator; |
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use Symfony\Component\Translation\Translator as SymfonyTranslator; |
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use Charcoal\Translator\LocalesManager; |
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use Charcoal\Translator\Translation; |
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/** |
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* Extends the symfony translator to allow returned values in a "Translation" oject, |
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* containing localizations for all locales. |
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* |
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*/ |
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class Translator extends SymfonyTranslator |
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{ |
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/** |
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* @var LocalesManager |
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*/ |
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private $manager; |
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/** |
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* @param array $data Constructor data. |
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* @return |
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*/ |
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public function __construct(array $data) |
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{ |
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$this->setManager($data['manager']); |
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$defaults = [ |
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'locale' => $this->manager->currentLocale(), |
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'message_selector' => null, |
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'cache_dir' => null, |
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'debug' => false |
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]; |
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$data = array_merge($defaults, $data); |
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// If symfony-config is not installed, DON'T use cache. |
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if (!class_exists('\Symfony\Component\Config\ConfigCacheFactory')) { |
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$data['cache_dir'] = null; |
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} |
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parent::__construct( |
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$data['locale'], |
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$data['message_selector'], |
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$data['cache_dir'], |
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$data['debug'] |
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); |
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} |
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/** |
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* Get a translation object from a (mixed) value. |
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* |
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* @param mixed $val The string or translation-object to retrieve. |
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* @return Translation|null |
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*/ |
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public function translation($val) |
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{ |
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if ($this->isValidTranslation($val) === false) { |
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return null; |
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} |
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$translation = new Translation($val, $this->manager); |
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foreach ($this->availableLocales() as $lang) { |
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if (!isset($translation[$lang]) || $translation[$lang] == $val) { |
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$translation[$lang] = $this->trans($val, [], null, $lang); |
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} |
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} |
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return $translation; |
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} |
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/** |
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* Get a translated string from a (mixed) value. |
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* |
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* @param mixed $val The string or translation-object to retrieve. |
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* @return string |
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*/ |
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public function translate($val) |
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{ |
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if (is_string($val)) { |
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return $this->trans($val); |
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} else { |
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$translation = $this->translation($val); |
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return (string)$translation; |
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} |
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} |
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/** |
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* @return string[] |
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*/ |
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public function locales() |
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{ |
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return $this->manager->locales(); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function availableLocales() |
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{ |
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return $this->manager->availableLocales(); |
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} |
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/** |
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* Ensure that the `setLocale()` method also changes the locales manager's language. |
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* |
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* @see SymfonyTranslator::setLocale() |
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* @param string $locale The locale ident (language) to set. |
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* @return void |
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*/ |
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public function setLocale($locale) |
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{ |
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parent::setLocale($locale); |
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$this->manager->setCurrentLocale($locale); |
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} |
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/** |
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* @param LocalesManager $manager The Locales manager. |
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* @return void |
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*/ |
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private function setManager(LocalesManager $manager) |
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{ |
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$this->manager = $manager; |
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} |
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/** |
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* @param mixed $val The value to be checked. |
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* @return boolean |
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*/ |
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private function isValidTranslation($val) |
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{ |
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if ($val === null) { |
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return false; |
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} |
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if (is_string($val)) { |
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return !empty(trim($val)); |
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} |
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if ($val instanceof Translation) { |
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return true; |
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} |
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if (is_array($val)) { |
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return !!array_filter( |
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$val, |
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function ($v, $k) { |
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if (is_string($k) && is_string($v)) { |
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if (strlen($k) > 0) { |
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return true; |
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} |
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} |
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return false; |
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}, |
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ARRAY_FILTER_USE_BOTH |
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); |
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} |
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return false; |
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} |
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} |
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locomotivemtl /
charcoal-translator
