Sure!
1. Add to Widget form method:
At the very beginning, where vars are read,
$max_age = $instance['max_age'];
and in the html form:
<p class="fp_label">
<label for="<?php echo $this->get_field_id('max_age'); ?>">Max Age:
<input class="custom" id="<?php echo $this->get_field_id('max_age'); ?>" name="<?php echo $this->get_field_name('max_age'); ?>" type="text" value="<?php echo attribute_escape($max_age); ?>" />
</label>
</p>
2. Add to Widget update method:
$instance['max_age'] = $new_instance['max_age'];
3. Replace in Widget widget method:
query_posts( 'cat='.$category.'&showposts='.$limit );
with
function filter_post_time( $where = '' ) {
global $max_age;
if ( '' != $max_age )
$where .= " AND DATE_SUB(NOW(), INTERVAL ". $max_age ." HOUR) <= post_date";
return $where;
}
$GLOBALS['max_age'] = $max_age;
add_filter( 'posts_where', 'filter_post_time' );
query_posts( 'cat='.$category.'&showposts='.$limit );
remove_filter( 'posts_where', 'filter_post_time' );
that is, before the widget method posts loop.
And add at the begining of this method, where vars are set,
$max_age = empty($instance['limit']) ? '' : $instance['max_age'];
Hope you find it useful!
Agus
