Как скрыть комментарий под спойлер, в зависимости от включения флажка?

<?xml version="1.0" encoding="utf-8"?>
<dleplugin>
<name>Спойлер в комментарии</name>
<description></description>
<icon></icon>
<version></version>
<dleversion>13</dleversion>
<versioncompare>greater</versioncompare>
<upgradeurl></upgradeurl>
<filedelete>0</filedelete>
<needplugin></needplugin>
<mnotice>0</mnotice>
<mysqlinstall><![CDATA[ALTER TABLE `dle_comments` ADD `is_spoiler` TINYINT(1) NOT NULL DEFAULT '0' AFTER `id`;]]></mysqlinstall>
<mysqlupgrade><![CDATA[]]></mysqlupgrade>
<mysqlenable><![CDATA[]]></mysqlenable>
<mysqldisable><![CDATA[]]></mysqldisable>
<mysqldelete><![CDATA[]]></mysqldelete>
<phpinstall><![CDATA[]]></phpinstall>
<phpupgrade><![CDATA[]]></phpupgrade>
<phpenable><![CDATA[]]></phpenable>
<phpdisable><![CDATA[]]></phpdisable>
<phpdelete><![CDATA[]]></phpdelete>
<notice><![CDATA[]]></notice>
<file name="engine/modules/addcomments.php">
<operation action="after">
<searchcode><![CDATA[$name = $db->safesql( htmlspecialchars(strip_tags( trim( $_POST['name'] ) ), ENT_QUOTES, $config['charset'] ) );]]></searchcode>
<replacecode><![CDATA[$is_spoiler = ! empty ( $_POST['is_spoiler'] ) && is_scalar( $_POST['is_spoiler'] ) ? 1 : 0;]]></replacecode>
</operation>
<operation action="replace">
<searchcode><![CDATA[if( $is_logged ) $db->query( "INSERT INTO " . PREFIX . "_comments (post_id, user_id, date, autor, email, text, ip, is_register, approve, parent) values ('{$post_id}', '{$member_id['user_id']}', '{$time}', '{$name}', '{$mail}', '{$comments}', '{$_IP}', '1', '{$where_approve}', '{$parent}')" );
else $db->query( "INSERT INTO " . PREFIX . "_comments (post_id, date, autor, email, text, ip, is_register, approve, parent) values ('{$post_id}', '{$time}', '{$name}', '{$mail}', '{$comments}', '{$_IP}', '0', '{$where_approve}', '{$parent}')" );]]></searchcode>
<replacecode><![CDATA[if( $is_logged ) $db->query( "INSERT INTO " . PREFIX . "_comments (is_spoiler, post_id, user_id, date, autor, email, text, ip, is_register, approve, parent) values ('{$is_spoiler}', '{$post_id}', '{$member_id['user_id']}', '{$time}', '{$name}', '{$mail}', '{$comments}', '{$_IP}', '1', '{$where_approve}', '{$parent}')" );
else $db->query( "INSERT INTO " . PREFIX . "_comments (is_spoiler, post_id, date, autor, email, text, ip, is_register, approve, parent) values ('{$is_spoiler}', '{$post_id}', '{$time}', '{$name}', '{$mail}', '{$comments}', '{$_IP}', '0', '{$where_approve}', '{$parent}')" );]]></replacecode>
</operation>
</file>
<file name="engine/classes/comments.class.php">
<operation action="before">
<searchcode><![CDATA[$tpl->compile( 'comments' );

return $tpl->result['comments'];

}

function build_customcomments( $tpl, $template ) {]]></searchcode>
<replacecode><![CDATA[if ( ! empty ( $row['is_spoiler'] ) )
{

$tpl->set( '[is_spoiler]', '' );
$tpl->set( '[/is_spoiler]', '' );

} else {

$tpl->set_block( "'\\[is_spoiler\\](.*?)\\[/is_spoiler\\]'si", "" );

}]]></replacecode>
</operation>
<operation action="before">
<searchcode><![CDATA[$tpl->compile( 'comments' );

return $tpl->result['comments'];

}

function build_customcomments( $tpl, $template ) {]]></searchcode>
<replacecode><![CDATA[if ( ! empty ( $row['is_spoiler'] ) )
{
$tpl->set_block( "'\[not_spoiler\](.*?)\[/not_spoiler\]'si", "" );

} else {

$tpl->set( '[not_spoiler]', '' );
$tpl->set( '[/not_spoiler]', '' );

}]]></replacecode>
</operation>
</file>
<file name="engine/modules/functions.php">
<operation action="replace">
<searchcode><![CDATA[$sql_select = "SELECT cm.id, post_id, cm.user_id]]></searchcode>
<replacecode><![CDATA[$sql_select = "SELECT cm.is_spoiler, cm.id, post_id, cm.user_id]]></replacecode>
</operation>
</file>
<file name="engine/modules/lastcomments.php">
<operation action="replace">
<searchcode><![CDATA[$comments->query = "SELECT cm.id, ]]></searchcode>
<replacecode><![CDATA[$comments->query = "SELECT cm.is_spoiler, cm.id, ]]></replacecode>
</operation>
</file>
<file name="engine/modules/show.full.php">
<operation action="replace">
<searchcode><![CDATA[$comments->query = "SELECT " . PREFIX . "_comments.id, ]]></searchcode>
<replacecode><![CDATA[$comments->query = "SELECT " . PREFIX . "_comments.is_spoiler, " . PREFIX . "_comments.id, ]]></replacecode>
</operation>
</file>
<file name="engine/modules/search.php">
<operation action="replace">
<searchcode><![CDATA[$comms_fields = "SELECT cm.id, ]]></searchcode>
<replacecode><![CDATA[$comms_fields = "SELECT cm.is_spoiler, cm.id, ]]></replacecode>
</operation>
</file>
<file name="engine/ajax/comments.php">
<operation action="replace">
<searchcode><![CDATA[$comments->query = "SELECT " . PREFIX . "_comments.id, ]]></searchcode>
<replacecode><![CDATA[$comments->query = "SELECT " . PREFIX . "_comments.is_spoiler, " . PREFIX . "_comments.id, ]]></replacecode>
</operation>
</file>
<file name="engine/ajax/addcomments.php">
<operation action="replace">
<searchcode><![CDATA[$comments->query = "SELECT " . PREFIX . "_comments.id, ]]></searchcode>
<replacecode><![CDATA[$comments->query = "SELECT " . PREFIX . "_comments.is_spoiler, " . PREFIX . "_comments.id, ]]></replacecode>
</operation>
</file>
</dleplugin>