/**
* Searches for languagesets containing the current systemid. either as a language or a referenced record.
* Called whenever a records was deleted using the common methods.
* Implement this method to be notified when a record is deleted, e.g. to to additional cleanups afterwards.
* There's no need to register the listener, this is done automatically.
* Make sure to return a matching boolean-value, otherwise the transaction may be rolled back.
*
* @param string $strEventName
* @param array $arrArguments
*
* @return bool
*/
public function handleEvent($strEventName, array $arrArguments)
{
//unwrap arguments
list($strSystemid, $strSourceClass) = $arrArguments;
if ($strSourceClass == "class_module_languages_language") {
//if we have just one language remaining, set this one as default
$arrObjLanguages = class_module_languages_language::getObjectList();
if (count($arrObjLanguages) == 1) {
$objOneLanguage = $arrObjLanguages[0];
$objOneLanguage->setBitDefault(1);
$objOneLanguage->updateObjectToDb();
}
//check if the current active one was deleted. if, then reset. #kajona trace id 613
$objLanguage = new class_module_languages_language();
$arrLangs = class_module_languages_language::getObjectList();
$arrFiltered = array_filter($arrLangs, function (class_module_languages_language $objSingleLang) use($objLanguage) {
return $objSingleLang->getStrName() == $objLanguage->getAdminLanguage();
});
if (count($arrFiltered) == 0 && count($arrLangs) > 0) {
$objLanguage->setStrAdminLanguageToWorkOn($arrLangs[0]->getStrName());
}
}
//fire a plain query on the database, much faster then searching for matching records
$strQuery = "DELETE FROM " . _dbprefix_ . "languages_languageset\n WHERE languageset_language = ?\n OR languageset_systemid = ?";
class_carrier::getInstance()->getObjDB()->_pQuery($strQuery, array($strSystemid, $strSystemid));
return true;
}
/**
* Returns the language to display contents or to edit contents on adminside
* NOTE: THIS ARE THE CONTENTS, NOT THE TEXTS
*
* @return string
*/
public final function getStrAdminLanguageToWorkOn()
{
$objLanguage = new class_module_languages_language();
return $objLanguage->getAdminLanguage();
}
/**
* Enables the common language switch, switching the backends language to work on.
* If you want to create a custom switch, use setArrLanguageSwitchEntries and setStrOnChangeHandler
* to customize all switch-content.
*
* @static
*/
public static function enableLanguageSwitch()
{
if (self::$arrLanguageSwitchEntries == null) {
$arrObjLanguages = class_module_languages_language::getObjectList(true);
if (count($arrObjLanguages) > 1) {
self::$arrLanguageSwitchEntries = array();
foreach ($arrObjLanguages as $objOneLang) {
self::$arrLanguageSwitchEntries[$objOneLang->getStrName()] = class_carrier::getInstance()->getObjLang()->getLang("lang_" . $objOneLang->getStrName(), "languages");
}
$objLanguage = new class_module_languages_language();
self::$strActiveKey = $objLanguage->getAdminLanguage();
}
}
}
