/** * * * @see Mage_Adminhtml_Block_Widget_Tabs::getTabClass() * @return string */ public function getTabClass($tab) { $classes[] = parent::getTabClass($tab); $content = $tab->getContent(); if ($content instanceof Mzax_Emarketing_Model_Campaign) { $classes[] = "original"; } if ($content instanceof Mzax_Emarketing_Model_Campaign_Variation) { $classes[] = "variation"; if (!$content->getIsActive()) { $classes[] = "inactive"; } } return implode(' ', $classes); }