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add support for multiple languages

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oliver 2015-04-26 11:15:38 +02:00
commit 3fdb23374c
4 changed files with 126 additions and 35 deletions
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127
agents/toplevel/HtmlAgent.inc
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@ -53,33 +53,104 @@
// Add Seminary sidebar
$this->addSubAgent('Seminarybar');
}
/**
* Set requested language.
*
* @param \nre\core\Request $request Current request
*/
private function setLanguage(\nre\core\Request $request)
{
// Set domain
$domain = \nre\configs\AppConfig::$app['genericname'];
// Get language
$locale = $request->getGetParam('lang', 'language');
if(is_null($locale)) {
return;
}
// Load translation
putenv("LC_ALL=$locale");
setlocale(LC_ALL, $locale);
bindtextdomain($domain, ROOT.DS.\nre\configs\AppConfig::$dirs['locale']);
textdomain($domain);
}
}
/**
* Set requested language.
*
* @param \nre\core\Request $request Current request
*/
private function setLanguage(\nre\core\Request $request)
{
// Set domain
$domain = \nre\configs\AppConfig::$app['genericname'];
// Get language
$locale = $this->determineLanguage($request);
// Set Locale and Load translation
if(!is_null($locale))
{
//$locale = sprintf('%s_%s.UTF-8', $locale, strtoupper($locale));
putenv("LC_ALL=$locale");
setlocale(LC_ALL, $locale);
\Locale::setDefault($locale);
bindtextdomain($domain, ROOT.DS.\nre\configs\AppConfig::$dirs['locale']);
textdomain($domain);
}
}
/**
* Determine which language is either requested directly or by browser
* setting.
*
* @param \nre\core\Request $request Current request
* @return string Requested language or default one
*/
private function determineLanguage(\nre\core\Request $request)
{
// Get supported languages
$supportedLanguages = \nre\configs\AppConfig::$app['languages'];
if(empty($supportedLanguages)) {
return null;
}
// Get requested language
$language = $request->getGetParam('lang', 'language');
if(!is_null($language) && array_key_exists($language, $supportedLanguages)) {
return $language;
}
// Negotiate language
return $this->negotiateLanguage($supportedLanguages, $request->getBrowserLanguages());
}
/**
* Negotiate which language the browser wants most out of the supported
* languages.
*
* @param array $supportedLanguages List of supported languages
* @param array $browserLanguages List of browser languages
* @return string Negotiated language or default one
*/
private function negotiateLanguage($supportedLanguages, $browserLanguages)
{
if(!is_null($browserLanguages))
{
// Create array with languages and their ratings
$parsedLanguages = array();
$languages = explode(',', $browserLanguages);
foreach($languages as &$language)
{
if(($pos = strpos($language, ';q=')) !== false) {
$parsedLanguages[substr($language, 1, min(2, $pos-1))] = floatval(substr($language, $pos+3));
}
else {
$parsedLanguages[$language] = 1.0;
}
}
// Sort languages by their ratings
arsort($parsedLanguages);
// Get highest supported language
foreach($parsedLanguages as $language => $rating) {
if(array_key_exists($language, $supportedLanguages)) {
return $supportedLanguages[$language];
}
}
}
// Return default language
return $supportedLanguages[array_keys($supportedLanguages)[0]];
}
}
?>