'widget_mfn_menu', 'description' => __( 'Use this widget on pages to display aside menu with children or siblings of the current page', 'mfn-opts' ) );
parent::__construct( 'widget_mfn_menu', __( 'Muffin Menu', 'mfn-opts' ), $widget_ops );
$this->alt_option_name = 'widget_mfn_menu';
}
/* ---------------------------------------------------------------------------
* Outputs the HTML for this widget.
* --------------------------------------------------------------------------- */
function widget( $args, $instance ) {
if ( ! isset( $args['widget_id'] ) ) $args['widget_id'] = null;
extract( $args, EXTR_SKIP );
$title = "";
if( $instance['use_page_title'] ){
$title = wp_title( '', false );
} elseif( $instance['title'] ) {
$title = $instance['title'];
}
$title = apply_filters( 'widget_title', $title, $instance, $this->id_base);
echo $before_widget;
if( $title ) echo $before_title . $title . $after_title;
if( ! $instance['nav_menu'] ){
// Pages Menu -------------------------------------------
$parentID = false;
if( $instance['use_page_sibling']==1 ){
// sibling -------------------------------
$aPost = get_post( get_the_ID() );
if( is_array($aPost->ancestors) && key_exists(0, $aPost->ancestors) ) $parentID = $aPost->ancestors[0];
} else {
// children ------------------------------
$parentID = get_the_ID();
}
$aPages_attr = array(
'title_li' => '',
'depth' => $instance['depth'] ? intval($instance['depth']) : 1,
'child_of' => $parentID,
'link_before' => '',
'echo' => 0,
);
$aPages = wp_list_pages( $aPages_attr );
// if there is no children --------------------
if( ( ! $aPages ) && ( $instance['use_page_sibling'] == 2 ) ){
$aPost = get_post( get_the_ID() );
$parentID = false;
if( is_array($aPost->ancestors) && key_exists(0, $aPost->ancestors) ) $parentID = $aPost->ancestors[0];
$aPages_attr['child_of'] = $parentID;
$aPages = wp_list_pages( $aPages_attr );
}
// echo ---------------------------------------
if( $aPages ){
echo '';
}
} else {
// Custom Menu -------------------------------------------
$submenu = isset( $instance['submenus'] ) ? $instance['submenus'] : 'show';
$args = array(
'menu_class' => 'menu submenus-'. $submenu,
'menu' => $instance['nav_menu'],
'depth' => $instance['depth'] ? intval($instance['depth']) : 1,
);
wp_nav_menu( $args );
}
echo $after_widget;
}
/* ---------------------------------------------------------------------------
* Deals with the settings when they are saved by the admin.
* --------------------------------------------------------------------------- */
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags( $new_instance['title'] );
$instance['nav_menu'] = (int) $new_instance['nav_menu'];
$instance['depth'] = (int) $new_instance['depth'];
$instance['submenus'] = strip_tags( $new_instance['submenus'] );
$instance['use_page_title'] = (int) $new_instance['use_page_title'];
$instance['use_page_sibling'] = (int) $new_instance['use_page_sibling'];
return $instance;
}
/* ---------------------------------------------------------------------------
* Displays the form for this widget on the Widgets page of the WP Admin area.
* --------------------------------------------------------------------------- */
function form( $instance ) {
$title = isset( $instance['title']) ? esc_attr( $instance['title'] ) : '';
$nav_menu = isset( $instance['nav_menu'] ) ? absint( $instance['nav_menu'] ) : 0;
$depth = isset( $instance['depth'] ) ? absint( $instance['depth'] ) : 1;
$submenus = isset( $instance['submenus'] ) ? esc_attr( $instance['submenus'] ) : '';
$use_page_title = isset( $instance['use_page_title'] ) ? absint( $instance['use_page_title'] ) : 0;
$use_page_sibling = isset( $instance['use_page_sibling'] ) ? absint( $instance['use_page_sibling'] ) : 2;
// Get menus
$menus = wp_get_nav_menus( array( 'orderby' => 'name' ) );
?>
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