public function loadPostData($key, $values) { if (($index = $values[$this->getClientID() . '_1']) !== null) { $index = (int) $index; $currentIndex = $this->getActiveViewIndex(); if ($currentIndex !== $index) { $this->setActiveViewID(''); // clear up view ID $this->setActiveViewIndex($index); return $this->_dataChanged = true; } } return false; }