__('Add a custom menu to your sidebar.') );
parent::__construct( 'nav_menu', __('Custom Menu'), $widget_ops );
}
/**
* Outputs the content for the current Custom Menu widget instance.
*
* @since 3.0.0
* @access public
*
* @param array $args Display arguments including 'before_title', 'after_title',
* 'before_widget', and 'after_widget'.
* @param array $instance Settings for the current Custom Menu widget instance.
*/
public function widget( $args, $instance ) {
// Get menu
$nav_menu = ! empty( $instance['nav_menu'] ) ? wp_get_nav_menu_object( $instance['nav_menu'] ) : false;
if ( !$nav_menu )
return;
/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
$instance['title'] = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );
echo $args['before_widget'];
if ( !empty($instance['title']) )
echo $args['before_title'] . $instance['title'] . $args['after_title'];
$nav_menu_args = array(
'fallback_cb' => '',
'menu' => $nav_menu
);
/**
* Filter the arguments for the Custom Menu widget.
*
* @since 4.2.0
* @since 4.4.0 Added the `$instance` parameter.
*
* @param array $nav_menu_args {
* An array of arguments passed to wp_nav_menu() to retrieve a custom menu.
*
* @type callable|bool $fallback_cb Callback to fire if the menu doesn't exist. Default empty.
* @type mixed $menu Menu ID, slug, or name.
* }
* @param stdClass $nav_menu Nav menu object for the current menu.
* @param array $args Display arguments for the current widget.
* @param array $instance Array of settings for the current widget.
*/
wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args, $instance ) );
echo $args['after_widget'];
}
/**
* Handles updating settings for the current Custom Menu widget instance.
*
* @since 3.0.0
* @access public
*
* @param array $new_instance New settings for this instance as input by the user via
* WP_Widget::form().
* @param array $old_instance Old settings for this instance.
* @return array Updated settings to save.
*/
public function update( $new_instance, $old_instance ) {
$instance = array();
if ( ! empty( $new_instance['title'] ) ) {
$instance['title'] = sanitize_text_field( stripslashes( $new_instance['title'] ) );
}
if ( ! empty( $new_instance['nav_menu'] ) ) {
$instance['nav_menu'] = (int) $new_instance['nav_menu'];
}
return $instance;
}
/**
* Outputs the settings form for the Custom Menu widget.
*
* @since 3.0.0
* @access public
*
* @param array $instance Current settings.
*/
public function form( $instance ) {
$title = isset( $instance['title'] ) ? $instance['title'] : '';
$nav_menu = isset( $instance['nav_menu'] ) ? $instance['nav_menu'] : '';
// Get menus
$menus = wp_get_nav_menus();
// If no menus exists, direct the user to go and create some.
?>