/**
* Check is any elements present in form
*
* @param Form $form
* @return bool
*/
protected function _isFormEmpty($form)
{
$isEmpty = true;
/** @var $elements \Magento\Framework\Data\Form\Element\Collection */
$elements = $form->getElements();
foreach ($elements as $element) {
if ($element->getElements()->count()) {
$isEmpty = false;
break;
}
}
return $isEmpty;
}