<?php
/**
- * Navigation Menu template functions
+ * Nav Menu API: Template functions
*
* @package WordPress
* @subpackage Nav_Menus
* @since 3.0.0
*/
-/**
- * Create HTML list of nav menu items.
- *
- * @since 3.0.0
- * @uses Walker
- */
-class Walker_Nav_Menu extends Walker {
- /**
- * What the class handles.
- *
- * @see Walker::$tree_type
- * @since 3.0.0
- * @var string
- */
- public $tree_type = array( 'post_type', 'taxonomy', 'custom' );
-
- /**
- * Database fields to use.
- *
- * @see Walker::$db_fields
- * @since 3.0.0
- * @todo Decouple this.
- * @var array
- */
- public $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' );
-
- /**
- * Starts the list before the elements are added.
- *
- * @see Walker::start_lvl()
- *
- * @since 3.0.0
- *
- * @param string $output Passed by reference. Used to append additional content.
- * @param int $depth Depth of menu item. Used for padding.
- * @param array $args An array of arguments. @see wp_nav_menu()
- */
- public function start_lvl( &$output, $depth = 0, $args = array() ) {
- $indent = str_repeat("\t", $depth);
- $output .= "\n$indent<ul class=\"sub-menu\">\n";
- }
-
- /**
- * Ends the list of after the elements are added.
- *
- * @see Walker::end_lvl()
- *
- * @since 3.0.0
- *
- * @param string $output Passed by reference. Used to append additional content.
- * @param int $depth Depth of menu item. Used for padding.
- * @param array $args An array of arguments. @see wp_nav_menu()
- */
- public function end_lvl( &$output, $depth = 0, $args = array() ) {
- $indent = str_repeat("\t", $depth);
- $output .= "$indent</ul>\n";
- }
-
- /**
- * Start the element output.
- *
- * @see Walker::start_el()
- *
- * @since 3.0.0
- *
- * @param string $output Passed by reference. Used to append additional content.
- * @param object $item Menu item data object.
- * @param int $depth Depth of menu item. Used for padding.
- * @param array $args An array of arguments. @see wp_nav_menu()
- * @param int $id Current item ID.
- */
- public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
- $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
-
- $classes = empty( $item->classes ) ? array() : (array) $item->classes;
- $classes[] = 'menu-item-' . $item->ID;
-
- /**
- * Filter the CSS class(es) applied to a menu item's <li>.
- *
- * @since 3.0.0
- *
- * @see wp_nav_menu()
- *
- * @param array $classes The CSS classes that are applied to the menu item's <li>.
- * @param object $item The current menu item.
- * @param array $args An array of wp_nav_menu() arguments.
- */
- $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
- $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
-
- /**
- * Filter the ID applied to a menu item's <li>.
- *
- * @since 3.0.1
- *
- * @see wp_nav_menu()
- *
- * @param string $menu_id The ID that is applied to the menu item's <li>.
- * @param object $item The current menu item.
- * @param array $args An array of wp_nav_menu() arguments.
- */
- $id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );
- $id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
-
- $output .= $indent . '<li' . $id . $class_names .'>';
-
- $atts = array();
- $atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : '';
- $atts['target'] = ! empty( $item->target ) ? $item->target : '';
- $atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : '';
- $atts['href'] = ! empty( $item->url ) ? $item->url : '';
-
- /**
- * Filter the HTML attributes applied to a menu item's <a>.
- *
- * @since 3.6.0
- *
- * @see wp_nav_menu()
- *
- * @param array $atts {
- * The HTML attributes applied to the menu item's <a>, empty strings are ignored.
- *
- * @type string $title Title attribute.
- * @type string $target Target attribute.
- * @type string $rel The rel attribute.
- * @type string $href The href attribute.
- * }
- * @param object $item The current menu item.
- * @param array $args An array of wp_nav_menu() arguments.
- */
- $atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args );
-
- $attributes = '';
- foreach ( $atts as $attr => $value ) {
- if ( ! empty( $value ) ) {
- $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
- $attributes .= ' ' . $attr . '="' . $value . '"';
- }
- }
-
- $item_output = $args->before;
- $item_output .= '<a'. $attributes .'>';
- /** This filter is documented in wp-includes/post-template.php */
- $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
- $item_output .= '</a>';
- $item_output .= $args->after;
-
- /**
- * Filter a menu item's starting output.
- *
- * The menu item's starting output only includes $args->before, the opening <a>,
- * the menu item's title, the closing </a>, and $args->after. Currently, there is
- * no filter for modifying the opening and closing <li> for a menu item.
- *
- * @since 3.0.0
- *
- * @see wp_nav_menu()
- *
- * @param string $item_output The menu item's starting HTML output.
- * @param object $item Menu item data object.
- * @param int $depth Depth of menu item. Used for padding.
- * @param array $args An array of wp_nav_menu() arguments.
- */
- $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
- }
-
- /**
- * Ends the element output, if needed.
- *
- * @see Walker::end_el()
- *
- * @since 3.0.0
- *
- * @param string $output Passed by reference. Used to append additional content.
- * @param object $item Page data object. Not used.
- * @param int $depth Depth of page. Not Used.
- * @param array $args An array of arguments. @see wp_nav_menu()
- */
- public function end_el( &$output, $item, $depth = 0, $args = array() ) {
- $output .= "</li>\n";
- }
-
-} // Walker_Nav_Menu
+/** Walker_Nav_Menu class */
+require_once ABSPATH . WPINC . '/class-walker-nav-menu.php';
/**
* Displays a navigation menu.
*
* @since 3.0.0
*
+ * @staticvar array $menu_id_slugs
+ *
* @param array $args {
* Optional. Array of nav menu arguments.
*
* @type string $container Whether to wrap the ul, and what to wrap it with. Default 'div'.
* @type string $container_class Class that is applied to the container. Default 'menu-{menu slug}-container'.
* @type string $container_id The ID that is applied to the container. Default empty.
- * @type callback|bool $fallback_cb If the menu doesn't exists, a callback function will fire.
+ * @type callable|bool $fallback_cb If the menu doesn't exists, a callback function will fire.
* Default is 'wp_page_menu'. Set to false for no fallback.
- * @type string $before Text before the link text. Default empty.
- * @type string $after Text after the link text. Default empty.
- * @type string $link_before Text before the link. Default empty.
- * @type string $link_after Text after the link. Default empty.
+ * @type string $before Text before the link markup. Default empty.
+ * @type string $after Text after the link markup. Default empty.
+ * @type string $link_before Text before the link text. Default empty.
+ * @type string $link_after Text after the link text. Default empty.
* @type bool $echo Whether to echo the menu or return it. Default true.
* @type int $depth How many levels of the hierarchy are to be included. 0 means all. Default 0.
* @type object $walker Instance of a custom walker class. Default empty.
* @type string $items_wrap How the list items should be wrapped. Default is a ul with an id and class.
* Uses printf() format with numbered placeholders.
* }
- * @return mixed Menu output if $echo is false, false if there are no items or no menu was found.
+ * @return object|false|void Menu output if $echo is false, false if there are no items or no menu was found.
*/
function wp_nav_menu( $args = array() ) {
static $menu_id_slugs = array();
$args = wp_parse_args( $args, $defaults );
/**
- * Filter the arguments used to display a navigation menu.
+ * Filters the arguments used to display a navigation menu.
*
* @since 3.0.0
*
$args = (object) $args;
/**
- * Filter whether to short-circuit the wp_nav_menu() output.
+ * Filters whether to short-circuit the wp_nav_menu() output.
*
* Returning a non-null value to the filter will short-circuit
* wp_nav_menu(), echoing that value if $args->echo is true,
// get the first menu that has items if we still can't find a menu
if ( ! $menu && !$args->theme_location ) {
- $menus = wp_get_nav_menus( array( 'orderby' => 'name' ) );
+ $menus = wp_get_nav_menus();
foreach ( $menus as $menu_maybe ) {
if ( $menu_items = wp_get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) {
$menu = $menu_maybe;
}
}
+ if ( empty( $args->menu ) ) {
+ $args->menu = $menu;
+ }
+
// If the menu exists, get its items.
if ( $menu && ! is_wp_error($menu) && !isset($menu_items) )
$menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) );
* - Otherwise, bail.
*/
if ( ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) && !$args->theme_location ) )
- && $args->fallback_cb && is_callable( $args->fallback_cb ) )
+ && isset( $args->fallback_cb ) && $args->fallback_cb && is_callable( $args->fallback_cb ) )
return call_user_func( $args->fallback_cb, (array) $args );
if ( ! $menu || is_wp_error( $menu ) )
$show_container = false;
if ( $args->container ) {
/**
- * Filter the list of HTML tags that are valid for use as menu containers.
+ * Filters the list of HTML tags that are valid for use as menu containers.
*
* @since 3.0.0
*
* Default is array containing 'div' and 'nav'.
*/
$allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) );
- if ( in_array( $args->container, $allowed_tags ) ) {
+ if ( is_string( $args->container ) && in_array( $args->container, $allowed_tags ) ) {
$show_container = true;
$class = $args->container_class ? ' class="' . esc_attr( $args->container_class ) . '"' : ' class="menu-'. $menu->slug .'-container"';
$id = $args->container_id ? ' id="' . esc_attr( $args->container_id ) . '"' : '';
unset( $menu_items, $menu_item );
/**
- * Filter the sorted list of menu item objects before generating the menu's HTML.
+ * Filters the sorted list of menu item objects before generating the menu's HTML.
*
* @since 3.1.0
*
$wrap_class = $args->menu_class ? $args->menu_class : '';
/**
- * Filter the HTML list content for navigation menus.
+ * Filters the HTML list content for navigation menus.
*
* @since 3.0.0
*
*/
$items = apply_filters( 'wp_nav_menu_items', $items, $args );
/**
- * Filter the HTML list content for a specific navigation menu.
+ * Filters the HTML list content for a specific navigation menu.
*
* @since 3.0.0
*
$nav_menu .= '</' . $args->container . '>';
/**
- * Filter the HTML content for navigation menus.
+ * Filters the HTML content for navigation menus.
*
* @since 3.0.0
*
* @access private
* @since 3.0.0
*
+ * @global WP_Query $wp_query
+ * @global WP_Rewrite $wp_rewrite
+ *
* @param array $menu_items The current menu item objects to which to add the class property information.
*/
function _wp_menu_item_classes_by_context( &$menu_items ) {
$active_parent_object_ids[] = (int) $menu_item->post_parent;
$active_object = $menu_item->object;
+ // if the menu item corresponds to the currently-queried post type archive
+ } elseif (
+ 'post_type_archive' == $menu_item->type &&
+ is_post_type_archive( array( $menu_item->object ) )
+ ) {
+ $classes[] = 'current-menu-item';
+ $menu_items[$key]->current = true;
// if the menu item corresponds to the currently-requested URL
- } elseif ( 'custom' == $menu_item->object ) {
+ } elseif ( 'custom' == $menu_item->object && isset( $_SERVER['HTTP_HOST'] ) ) {
$_root_relative_current = untrailingslashit( $_SERVER['REQUEST_URI'] );
$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_root_relative_current );
$raw_item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
- $item_url = untrailingslashit( $raw_item_url );
+ $item_url = set_url_scheme( untrailingslashit( $raw_item_url ) );
$_indexless_current = untrailingslashit( preg_replace( '/' . preg_quote( $wp_rewrite->index, '/' ) . '$/', '', $current_url ) );
if ( $raw_item_url && in_array( $item_url, array( $current_url, $_indexless_current, $_root_relative_current ) ) ) {
*
* @uses Walker_Nav_Menu to create HTML list content.
* @since 3.0.0
- * @see Walker::walk() for parameters and return description.
+ *
+ * @param array $items
+ * @param int $depth
+ * @param object $r
+ * @return string
*/
function walk_nav_menu_tree( $items, $depth, $r ) {
$walker = ( empty($r->walker) ) ? new Walker_Nav_Menu : $r->walker;
$args = array( $items, $depth, $r );
- return call_user_func_array( array($walker, 'walk'), $args );
+ return call_user_func_array( array( $walker, 'walk' ), $args );
}
/**
*
* @since 3.0.1
* @access private
+ *
+ * @staticvar array $used_ids
+ * @param string $id
+ * @param object $item
+ * @return string
*/
function _nav_menu_item_id_use_once( $id, $item ) {
static $_used_ids = array();
- if ( in_array( $item->ID, $_used_ids ) )
+ if ( in_array( $item->ID, $_used_ids ) ) {
return '';
+ }
$_used_ids[] = $item->ID;
return $id;
}
-add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );
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