$link_item->setDescription($translator->getMessage('CONFIGURATION_PLUGIN_DESC'));
        $link_item->setContextID($environment->getCurrentContextID());
        $link_item->setModule('configuration');
        $link_item->setFunction('plugins');
        $link_item->setParameter(array('iid' => $environment->getCurrentContextID()));
        $configuration_rubric_extras_link_list->add($link_item);
    }
}
################################################
# media integration
################################################
global $c_media_integration;
// !!!!
// NOTE: when opening media integration for all room contexts, make sure that mediadistribution online is only accessable for community rooms(see cs_configuration_mediaintegration_form)
// this restriction should always be implemented
// test it
// remove page protection in configuration_mediaintegration.php
// !!!!
if ($environment->inCommunityRoom() && isset($c_media_integration) && ($c_media_integration === true || is_array($c_media_integration) && in_array($environment->getCurrentContextID(), $c_media_integration))) {
    $link_item = new cs_link();
    $link_item->setTitle($translator->getMessage('CONFIGURATION_MEDIA_INTEGRATION'));
    $link_item->setDescription($translator->getMessage('CONFIGURATION_MEDIA_INTEGRATION_DESC'));
    $link_item->setIconPath('images/commsyicons/48x48/config/video.png');
    $link_item->setIconPathForNavigation('images/commsyicons/22x22/config/video.png');
    $link_item->setContextID($environment->getCurrentContextID());
    $link_item->setModule('configuration');
    $link_item->setFunction('mediaintegration');
    $link_item->setParameter(array());
    $configuration_rubric_extras_link_list->add($link_item);
    unset($link_item);
}
    $link_item->setDescription($translator->getMessage('PREFERENCES_USAGE_INFOS_DESC'));
    if ($environment->getCurrentBrowser() == 'MSIE' && mb_substr($environment->getCurrentBrowserVersion(), 0, 1) == '6') {
        $link_item->setIconPath('images/commsyicons_msie6/48x48/config/usage_info_options.gif');
        $link_item->setIconPathForNavigation('images/commsyicons_msie6/22x22/config/usage_info_options.gif');
    } else {
        $link_item->setIconPath('images/commsyicons/48x48/config/usage_info_options.png');
        $link_item->setIconPathForNavigation('images/commsyicons/22x22/config/usage_info_options.png');
    }
    $link_item->setContextID($environment->getCurrentContextID());
    $link_item->setModule('configuration');
    $link_item->setFunction('usageinfo');
    $link_item->setParameter('');
    $usage_link_list->add($link_item);
}
if (!$environment->inServer() and !$environment->inPrivateRoom()) {
    $link_item = new cs_link();
    $link_item->setTitle($translator->getMessage('PREFERENCES_MAIL_LINK'));
    $link_item->setDescription($translator->getMessage('PREFERENCES_MAIL_DESC'));
    if ($environment->getCurrentBrowser() == 'MSIE' && mb_substr($environment->getCurrentBrowserVersion(), 0, 1) == '6') {
        $link_item->setIconPath('images/commsyicons_msie6/48x48/config/mail_options.gif');
        $link_item->setIconPathForNavigation('images/commsyicons_msie6/22x22/config/mail_options.gif');
    } else {
        $link_item->setIconPath('images/commsyicons/48x48/config/mail_options.png');
        $link_item->setIconPathForNavigation('images/commsyicons/22x22/config/mail_options.png');
    }
    $link_item->setContextID($environment->getCurrentContextID());
    $link_item->setModule('configuration');
    $link_item->setFunction('mail');
    $link_item->setParameter(array());
    $usage_link_list->add($link_item);
}