ComponentBase::detectTabId

protected function detectTabId()
{
	$tabId = $this->request->get('tabId');
	if (!empty($tabId) && (int)$tabId > 0)
	{
		$this->tabId = (int)$tabId;
	}
	elseif ($this->isAjaxRequest())
	{
		$this->tabId = TranslateFilter::getTabId(false);
	}
	else
	{
		$this->tabId = TranslateFilter::getTabId();
	}

	return $this->tabId;
}