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@feelinc
Created September 17, 2015 10:23
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Translation class similar to Gettext usage approach
<?php
use Symfony\Component\Translation\Translator as SymfonyTranslator;
use Symfony\Component\Translation\MessageSelector;
use Symfony\Component\Translation\Loader\PhpFileLoader;
class Translator
{
/**
* The loader implementation.
*
* @var \Symfony\Component\Translation\Loader\LoaderInterface
*/
protected $loader;
/**
* The default locale being used by the translator.
*
* @var string
*/
protected $locale;
/**
* The default locale path being used by the translator.
*
* @var string
*/
protected $localePath;
/**
* The translator object.
*
* @var \Symfony\Component\Translation\TranslatorInterface
*/
protected $trans;
/**
* Create a new instance.
*
* @param string $locale
* @param string $path
* @return void
*/
public function __construct($locale = '', $path = '')
{
$this->createLoader();
return $this->setLocale($locale, $path);
}
/**
* Set current locale.
*
* @param string $locale
* @param string $path
* @param string $domain
* @return self
*/
public function setLocale($locale, $path = '', $domain = 'messages')
{
$this->locale = $locale;
if ( ! empty($path)) {
$this->localePath = $path;
}
$this->domain = $domain;
// path to the .php file that we should monitor
$file = $this->localePath.'/'.$locale.'/'.$this->domain.'.php';
$fallbackLocale = substr($this->locale, 0, 2);
$this->trans = $this->createTranslator($this->locale);
$this->trans->setFallbackLocales([$fallbackLocale]);
$this->trans->addLoader('php', $this->loader);
$this->trans->addResource('php', $file, $this->locale, $this->domain);
return $this;
}
/**
* Translate a text.
*
* @param string $text
* @param mixed $parameters
* @param string $domain
* @return string
*/
public function trans($text, $parameters = [], $domain = 'messages')
{
if ( ! is_array($parameters)) {
$domain = $parameters;
$parameters = [];
}
if ($domain !== $this->domain) {
$this->setLocale($this->locale, $this->localePath, $domain);
}
return $this->trans->trans($text, $parameters, $this->domain);
}
/**
* Create the translator object.
*
* @param string $locale
* @return \Symfony\Component\Translation\TranslatorInterface
*/
private function createTranslator($locale)
{
return new SymfonyTranslator($locale, new MessageSelector());
}
/**
* Get the loader object.
*
* @return \Symfony\Component\Translation\Loader\LoaderInterface
*/
private function createLoader()
{
return $this->loader = new PhpFileLoader;
}
}
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