/**
* Returns the instance of menu. Subsequent calls return the same object.
*
* @return OA_Admin_Menu
*/
function &singleton()
{
$accountType = OA_Permission::getAccountType();
if (isset($GLOBALS['_MAX']['MENU_OBJECT'][$accountType])) {
$oMenu =& $GLOBALS['_MAX']['MENU_OBJECT'][$accountType];
} elseif ($GLOBALS['_MAX']['CONF']['debug']['production'] != 0 && ($oMenu = OA_Admin_Menu::_loadFromCache($accountType))) {
$GLOBALS['_MAX']['MENU_OBJECT'][$accountType] =& $oMenu;
} else {
$oMenu = new OA_Admin_Menu();
if (empty($oMenu->aAllSections)) {
include_once MAX_PATH . '/lib/OA/Admin/Menu/config.php';
$oMenu = _buildNavigation(OA_Permission::getAccountType());
}
require_once LIB_PATH . '/Plugin/ComponentGroupManager.php';
$oPluginManager = new OX_Plugin_ComponentGroupManager();
$oPluginManager->mergeMenu($oMenu, $accountType);
$GLOBALS['_MAX']['MENU_OBJECT'][$accountType] =& $oMenu;
$oMenu->_saveToCache($accountType);
}
// Filter against user-account-preferences...
return $oMenu;
}