public function render(Varien_Object $row)
{
$productId = $this->getRequest()->getParam('id');
$url = Mage::helper('adminhtml')->getUrl('*/adminhtml_video/attachVideoToProduct');
$id = $row->getVideoId();
$render = '<input
type="checkbox"
class="ajax-video-attach"
id="video-attach-' . $id . '"
data-url="' . $url . '"
data-product-id="' . $productId . '"
value="' . $id . '"';
if (in_array($id, $this->_getAttachedVideosToProduct())) {
$render .= 'checked="checked"';
}
$render .= '/>';
echo $render;
}
