/**
* {@inheritdoc}
*/
protected function _toHtml()
{
$item = $this->getButtonItem();
$context = $this->getContext();
if ($item && $context && $context->canRender($item)) {
$data = $item->getData();
$blockClassName = isset($data['class_name']) ? $data['class_name'] : null;
$buttonName = $this->getContext()->getNameInLayout() . '-' . $item->getId() . '-button';
$block = $this->createButton($buttonName, $blockClassName);
$block->setData($data);
return $block->toHtml();
}
return parent::_toHtml();
}