/**
* Outputs the widget based on the arguments input through the widget controls.
*
* @since 0.2.0
* @access public
* @return void
*/
public function widget($sidebar, $instance)
{
extract($sidebar);
/* Set up the arguments. */
$args = array('series' => !empty($instance['series']) ? $instance['series'] : '', 'order' => !empty($instance['order']) ? $instance['order'] : 'ASC', 'orderby' => !empty($instance['orderby']) ? $instance['orderby'] : 'date', 'posts_per_page' => !empty($instance['posts_per_page']) ? $instance['posts_per_page'] : -1);
/* Output the theme's widget wrapper. */
echo $before_widget;
/* If a title was input by the user, display it. */
if (!empty($instance['title'])) {
echo $before_title . apply_filters('widget_title', $instance['title'], $instance, $this->id_base) . $after_title;
}
/* Output the series. */
series_list_posts($args);
/* Close the theme's widget wrapper. */
echo $after_widget;
}
/**
* Displays a list of posts related to the post by the first series.
*
* @since 0.1.0
* @param array $args
* @return string
*/
function series_list_related($args = array())
{
$post_id = 0;
if (in_the_loop()) {
$post_id = get_the_ID();
} else {
if (is_singular()) {
$post_id = get_queried_object_id();
}
}
if (!empty($post_id)) {
$series = get_the_terms($post_id, 'series');
}
if (empty($series)) {
return;
}
$series = reset($series);
$args['series'] = $series->slug;
return series_list_posts($args);
}
