chill-bundles/Templating/TranslatableStringHelper.php

92 lines
2.7 KiB
PHP

<?php
/*
* Chill is a suite of a modules, Chill is a software for social workers
* Copyright (C) 2014, Champs Libres Cooperative SCRLFS, <http://www.champs-libres.coop>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Chill\MainBundle\Templating;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Translation\Translator;
/**
*
* This helper helps to find the string in current locale from translatable_strings
*
* @author Julien Fastré <julien.fastre@champs-libres.coop>
*
*/
class TranslatableStringHelper
{
/**
*
* @var RequestStack
*/
private $requestStack;
private $fallbackLocales;
public function __construct(RequestStack $requestStack, Translator $translator)
{
$this->requestStack = $requestStack;
$this->fallbackLocales = $translator->getFallbackLocales();
}
/**
* return the string in current locale if it exists.
*
* If it does not exists; return the name in the first language available.
*
* Return a blank string if any strings are available.
* Return NULL if $translatableString is NULL
*
* @param array $translatableStrings
* @return string
*/
public function localize(array $translatableStrings)
{
if (NULL === $translatableStrings) {
return NULL;
}
$language = $this->requestStack->getCurrentRequest()->getLocale();
if (isset($translatableStrings[$language])) {
return $translatableStrings[$language];
} else {
foreach ($this->fallbackLocales as $locale) {
if (array_key_exists($locale, $translatableStrings)) {
return $translatableStrings[$locale];
}
}
}
// no fallback translation... trying the first available
$langs = array_keys($translatableStrings);
if (count($langs) === 0) {
return '';
}
return $translatableStrings[$langs[0]];
}
}