});
$columns['newsletter_action'] = array('title' => 'Action', 'callback' => function ($newsletter) {
if ($newsletter['send_data']) {
switch ($newsletter['send_data']['status']) {
case _NEWSLETTER_STATUS_SENT:
?>
<a href="<?php
echo module_newsletter::link_statistics($newsletter['newsletter_id'], $newsletter['send_id']);
?>
"><?php
_e('View Statistics');
?>
</a>
<a href="<?php
echo module_newsletter::view_online_url($newsletter['newsletter_id'], 0, $newsletter['send_id']);
?>
"><?php
_e('Preview');
?>
</a>
<?php
break;
case _NEWSLETTER_STATUS_PAUSED:
?>
<a href="<?php
echo module_newsletter::link_queue_watch($newsletter['newsletter_id'], $newsletter['send_id']);
?>
"><?php
_e('SENDING PAUSED');
?>
