public static function instance()
{
if (!self::$_instance) {
self::$_instance = new self();
}
return self::$_instance;
}
protected function __trigger()
{
$supported_language_codes = LanguageRedirect::instance()->getSupportedLanguageCodes();
// only do something when there is a set of supported languages defined
if (!empty($supported_language_codes)) {
$current_language_code = LanguageRedirect::instance()->getLanguageCode();
// no redirect, set current language and region in cookie
if (isset($current_language_code) and in_array($current_language_code, $supported_language_codes)) {
$Cookie = new Cookie(__SYM_COOKIE_PREFIX_ . 'language-redirect', TWO_WEEKS, __SYM_COOKIE_PATH__);
$Cookie->set('language', LanguageRedirect::instance()->getLanguage());
$Cookie->set('region', LanguageRedirect::instance()->getRegion());
} else {
$current_path = !isset($current_language_code) ? $this->_env['param']['current-path'] : substr($this->_env['param']['current-path'], strlen($current_language_code) + 1);
$browser_languages = $this->getBrowserLanguages();
foreach ($browser_languages as $language) {
if (in_array($language, $supported_language_codes)) {
$in_browser_languages = true;
$browser_language = $language;
break;
}
}
$Cookie = new Cookie(__SYM_COOKIE_PREFIX_ . 'language-redirect', TWO_WEEKS, __SYM_COOKIE_PATH__);
$cookie_language_code = $Cookie->get('language');
if (strlen($cookie_language_code) > 0) {
$language_code = $Cookie->get('region') ? $cookie_language_code . '-' . $Cookie->get('region') : $cookie_language_code;
} elseif ($in_browser_languages) {
$language_code = $browser_language;
} else {
$language_code = $supported_language_codes[0];
}
// redirect and exit
header('Location: ' . $this->_env['param']['root'] . '/' . $language_code . '/' . $current_path);
die;
}
$all_languages = LanguageRedirect::instance()->getAllLanguages();
$result = new XMLElement('language-redirect');
$current_language_xml = new XMLElement('current-language', $all_languages[$current_language_code] ? $all_languages[$current_language_code] : $current_language_code);
$current_language_xml->setAttribute('handle', $current_language_code);
$result->appendChild($current_language_xml);
$supported_languages_xml = new XMLElement('supported-languages');
foreach ($supported_language_codes as $language) {
$language_code = new XMLElement('item', $all_languages[$language] ? $all_languages[$language] : $language);
$language_code->setAttribute('handle', $language);
$supported_languages_xml->appendChild($language_code);
}
$result->appendChild($supported_languages_xml);
return $result;
}
return false;
}
/**
*
* Method called by Symphony in order to build the
* @param $param_pool
* @return XMLElement
*/
public function grab(&$param_pool)
{
// get the current page id
$current_page_id = (int) $this->_env['param']['current-page-id'];
// prepare output
$result = new XMLElement($this->dsParamROOTELEMENT);
// if multilangual extensions are enabled
if ($this->isMultiLangual) {
// current language
$lang = LanguageRedirect::instance()->getLanguageCode();
}
// get current page title including all parents
$titles = PageManager::resolvePage($current_page_id, isset($lang) ? 'page_lhandles_t_' . $lang : 'title');
// get current page path including all parents
$handles = PageManager::resolvePage($current_page_id, isset($lang) ? 'page_lhandles_h_' . $lang : 'handle');
// generate the output
foreach ($titles as $key => $title) {
$path = implode('/', array_slice($handles, 0, $key + 1));
$result->appendChild(new XMLElement('page', $title, array('path' => $path)));
}
// return xml result set
return $result;
}
