private function _isMetaBoxAdded()
{
$_aPageMetaBoxClasses = $this->getElementAsArray($GLOBALS, array('aAdminPageFramework', 'aMetaBoxForPagesClasses'));
if (empty($_aPageMetaBoxClasses)) {
return false;
}
$_sPageSlug = $this->getElement($_GET, 'page', '');
if (!$_sPageSlug) {
return false;
}
foreach ($_aPageMetaBoxClasses as $_sClassName => $_oMetaBox) {
if ($this->_isPageOfMetaBox($_sPageSlug, $_oMetaBox)) {
return true;
}
}
return false;
}