private function _isPageOfMetaBox($sPageSlug, $oMetaBox)
{
if (in_array($sPageSlug, $oMetaBox->oProp->aPageSlugs)) {
return true;
}
if (!array_key_exists($sPageSlug, $oMetaBox->oProp->aPageSlugs)) {
return false;
}
$_aTabs = $oMetaBox->oProp->aPageSlugs[$sPageSlug];
$_sCurrentTabSlug = $this->oFactory->oProp->getCurrentTabSlug();
return $_sCurrentTabSlug && in_array($_sCurrentTabSlug, $_aTabs);
}