function _determineLanguage($getLang = null, $redir = false, $useMainLang = false)
{
// set the language for JoomFish
if (SEFTools::JoomFishInstalled()) {
$sefConfig =& SEFConfig::getConfig();
$registry =& JFactory::getConfig();
// Check if the Jfrouter is enabled
$jfrouterEnabled = JPluginHelper::isEnabled('system', 'jfrouter');
// save the default language of the site if needed
if (!$jfrouterEnabled) {
$locale = $registry->getValue('config.language');
$GLOBALS['mosConfig_defaultLang'] = $locale;
$registry->setValue("config.defaultlang", $locale);
}
// get instance of JoomFishManager to obtain active language list and config values
$jfm =& JoomFishManager::getInstance();
// Get language from request
if (!empty($getLang)) {
$lang = $getLang;
}
// Try to get language code from JF cookie
if ($sefConfig->jfLangCookie) {
$jfCookie = JRequest::getVar('jfcookie', null, 'COOKIE');
if (isset($jfCookie['lang'])) {
$cookieCode = $jfCookie['lang'];
}
}
// Try to find language from browser settings
if ($sefConfig->jfBrowserLang && isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) && !empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
$active_iso = array();
$active_isocountry = array();
$active_code = array();
$activeLanguages = $jfm->getActiveLanguages();
if (count($activeLanguages) > 0) {
foreach ($activeLanguages as $alang) {
$active_iso[] = $alang->iso;
if (preg_match('/[_-]/i', $alang->iso)) {
$iso = str_replace('_', '-', $alang->iso);
$isocountry = explode('-', $iso);
$active_isocountry[] = $isocountry[0];
}
$active_code[] = $alang->shortcode;
}
// figure out which language to use - browser languages are based on ISO codes
$browserLang = explode(',', $_SERVER["HTTP_ACCEPT_LANGUAGE"]);
foreach ($browserLang as $blang) {
if (in_array($blang, $active_iso)) {
$client_lang = $blang;
break;
}
$shortLang = substr($blang, 0, 2);
if (in_array($shortLang, $active_isocountry)) {
$client_lang = $shortLang;
break;
}
// compare with code
if (in_array($shortLang, $active_code)) {
$client_lang = $shortLang;
break;
}
}
if (!empty($client_lang)) {
if (strlen($client_lang) == 2) {
$browserCode = SEFTools::getLangLongCode($client_lang);
} else {
$browserCode = $client_lang;
}
}
}
}
if (!$jfrouterEnabled && $redir && $sefConfig->langPlacement != _COM_SEF_LANG_DOMAIN && (isset($cookieCode) || isset($browserCode)) && $sefConfig->mainLanguage != '0') {
if (isset($cookieCode)) {
$sc = SEFTools::getLangCode($cookieCode);
} else {
$sc = SEFTools::getLangCode($browserCode);
}
// Check the referer to see if we should redirect
$shouldRedir = false;
if (isset($_SERVER['HTTP_REFERER'])) {
$refUri = new JURI($_SERVER['HTTP_REFERER']);
$uri = JURI::getInstance();
$refHost = $refUri->getHost();
$host = $uri->getHost();
if ($refHost != $host) {
$shouldRedir = true;
}
} else {
$shouldRedir = true;
}
if ($shouldRedir) {
if (!empty($lang) && $sc != $lang || empty($lang) && $sc != $sefConfig->mainLanguage) {
// Redirect to correct site
$mainframe =& JFactory::getApplication();
$href = JRoute::_('index.php?lang=' . $sc, false);
$mainframe->redirect($href);
exit;
}
}
}
// Check if language is selected
if (empty($lang) && !$jfrouterEnabled) {
// If route and query string are empty, use the main language
// note: removed && $redir - it was not possible to switch language to main language
// on other page than homepage (let's see if it causes any other problem)
// note: added $useMainLang - now it should work for both the VM checkout and using
// main language with component's own router
if ($useMainLang && (empty($code) || !JLanguage::exists($code))) {
if ($sefConfig->mainLanguage != '0') {
$code = SEFTools::GetLangLongCode($sefConfig->mainLanguage);
}
}
// Try to get language code from JF cookie
if (empty($code) || !JLanguage::exists($code)) {
if (isset($cookieCode)) {
$code = $cookieCode;
}
}
// Try to get language from browser if needed
if (empty($code) || !JLanguage::exists($code)) {
if (isset($browserCode)) {
$code = $browserCode;
}
}
// Get language from configuration if needed
if (empty($code) || !JLanguage::exists($code)) {
if ($sefConfig->mainLanguage != '0') {
$code = SEFTools::GetLangLongCode($sefConfig->mainLanguage);
}
}
// Get default language if needed
if (empty($code) || !JLanguage::exists($code)) {
$code = $registry->getValue('config.language');
}
}
// get language long code if needed
if (empty($code)) {
if (empty($lang)) {
return;
}
$code = SEFTools::getLangLongCode($lang);
}
if (!empty($code)) {
$jfrparams = $registry->getValue('jfrouter.params');
// set the site language
$resetLang = false;
if ($code != SEFTools::getLangLongCode()) {
if (!$jfrouterEnabled || $jfrouterEnabled && $jfrparams->get('sefordomain', 'sefprefix') == 'sefprefix') {
$language =& JFactory::getLanguage();
$language->setLanguage($code);
$language->load();
// set the backward compatible language
$backLang = $language->getBackwardLang();
$GLOBALS['mosConfig_lang'] = $backLang;
$registry->setValue("config.lang", $backLang);
$resetLang = true;
}
}
// set joomfish language if needed
if ($resetLang || !$jfrouterEnabled) {
$jfLang = TableJFLanguage::createByJoomla($code);
$registry->setValue("joomfish.language", $jfLang);
// set some more variables
$mainframe =& JFactory::getApplication();
$registry->setValue("config.multilingual_support", true);
$mainframe->setUserState('application.lang', $jfLang->code);
$registry->setValue("config.jflang", $jfLang->code);
$registry->setValue("config.lang_site", $jfLang->code);
$registry->setValue("config.language", $jfLang->code);
$registry->setValue("joomfish.language", $jfLang);
// overwrite global config with values from $jfLang if set to in JoomFish
$jfparams = JComponentHelper::getParams("com_joomfish");
$overwriteGlobalConfig = $jfparams->get('overwriteGlobalConfig', 0);
if ($overwriteGlobalConfig) {
// We should overwrite additional global variables based on the language parameter configuration
$langParams = new JParameter($jfLang->params);
$paramarray = $langParams->toArray();
foreach ($paramarray as $key => $val) {
$registry->setValue("config." . $key, $val);
if (defined("_JLEGACY")) {
$name = 'mosConfig_' . $key;
$GLOBALS[$name] = $val;
}
}
}
// set the cookie with language
if (!$jfrouterEnabled && $sefConfig->jfLangCookie || $jfrouterEnabled && $jfrparams->get('enableCookie', 1)) {
setcookie("lang", "", time() - 1800, "/");
setcookie("jfcookie", "", time() - 1800, "/");
setcookie("jfcookie[lang]", $code, time() + 24 * 3600, '/');
}
}
}
}
}
