* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of page. Used for padding.
*/
- function start_lvl(&$output, $depth) {
+ function start_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat("\t", $depth);
$output .= "\n$indent<ul class=\"sub-menu\">\n";
}
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of page. Used for padding.
*/
- function end_lvl(&$output, $depth) {
+ function end_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat("\t", $depth);
$output .= "$indent</ul>\n";
}
* @param int $current_page Menu item ID.
* @param object $args
*/
- function start_el(&$output, $item, $depth, $args) {
- global $wp_query;
+ function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
$class_names = $value = '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
+ $classes[] = 'menu-item-' . $item->ID;
- $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
- $class_names = ' class="' . esc_attr( $class_names ) . '"';
+ $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
+ $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
- $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';
+ $id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );
+ $id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
- $attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr( $item->attr_title ) .'"' : '';
- $attributes .= ! empty( $item->target ) ? ' target="' . esc_attr( $item->target ) .'"' : '';
- $attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr( $item->xfn ) .'"' : '';
- $attributes .= ! empty( $item->url ) ? ' href="' . esc_attr( $item->url ) .'"' : '';
+ $output .= $indent . '<li' . $id . $value . $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 : '';
+
+ $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 .'>';
* @param object $item Page data object. Not used.
* @param int $depth Depth of page. Not Used.
*/
- function end_el(&$output, $item, $depth) {
+ function end_el( &$output, $item, $depth = 0, $args = array() ) {
$output .= "</li>\n";
}
}
*
* Optional $args contents:
*
- * menu - The menu that is desired. Accepts (matching in order) id, slug, name. Defaults to blank.
+ * menu - The menu that is desired. Accepts (matching in order) id, slug, name. Defaults to blank.
* menu_class - CSS class to use for the ul element which forms the menu. Defaults to 'menu'.
* menu_id - The ID that is applied to the ul element which forms the menu. Defaults to the menu slug, incremented.
* container - Whether to wrap the ul, and what to wrap it with. Defaults to 'div'.
* container_class - the class that is applied to the container. Defaults to 'menu-{menu slug}-container'.
* container_id - The ID that is applied to the container. Defaults to blank.
- * fallback_cb - If the menu doesn't exists, a callback function will fire. Defaults to 'wp_page_menu'.
+ * fallback_cb - If the menu doesn't exists, a callback function will fire. Defaults to 'wp_page_menu'. Set to false for no fallback.
* before - Text before the link text.
* after - Text after the link text.
* link_before - Text before the link.
* link_after - Text after the link.
* echo - Whether to echo the menu or return it. Defaults to echo.
- * depth - how many levels of the hierarchy are to be included. 0 means all. Defaults to 0.
+ * depth - how many levels of the hierarchy are to be included. 0 means all. Defaults to 0.
* walker - allows a custom walker to be specified.
- * theme_location - the location in the theme to be used. Must be registered with register_nav_menu() in order to be selectable by the user.
+ * theme_location - the location in the theme to be used. Must be registered with register_nav_menu() in order to be selectable by the user.
+ * items_wrap - How the list items should be wrapped. Defaults to a ul with an id and class. Uses printf() format with numbered placeholders.
*
* @since 3.0.0
*
static $menu_id_slugs = array();
$defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'container_id' => '', 'menu_class' => 'menu', 'menu_id' => '',
- 'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '',
+ 'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', 'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>',
'depth' => 0, 'walker' => '', 'theme_location' => '' );
$args = wp_parse_args( $args, $defaults );
if ( ! $menu && !$args->theme_location ) {
$menus = wp_get_nav_menus();
foreach ( $menus as $menu_maybe ) {
- if ( $menu_items = wp_get_nav_menu_items($menu_maybe->term_id) ) {
+ if ( $menu_items = wp_get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) {
$menu = $menu_maybe;
break;
}
// 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 );
+ $menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) );
- // If no menu was found or if the menu has no items and no location was requested, call the fallback_cb if it exists
+ /*
+ * If no menu was found:
+ * - Fall back (if one was specified), or bail.
+ *
+ * If no menu items were found:
+ * - Fall back, but only if no theme location was specified.
+ * - Otherwise, bail.
+ */
if ( ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) && !$args->theme_location ) )
- && ( function_exists($args->fallback_cb) || is_callable( $args->fallback_cb ) ) )
+ && $args->fallback_cb && is_callable( $args->fallback_cb ) )
return call_user_func( $args->fallback_cb, (array) $args );
- // If no fallback function was specified and the menu doesn't exists, bail.
- if ( !$menu || is_wp_error($menu) )
+ if ( ! $menu || is_wp_error( $menu ) )
return false;
$nav_menu = $items = '';
unset($menu_items);
+ $sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args );
+
$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
unset($sorted_menu_items);
// Attributes
if ( ! empty( $args->menu_id ) ) {
- $slug = $args->menu_id;
+ $wrap_id = $args->menu_id;
} else {
- $slug = 'menu-' . $menu->slug;
- while ( in_array( $slug, $menu_id_slugs ) ) {
- if ( preg_match( '#-(\d+)$#', $slug, $matches ) )
- $slug = preg_replace('#-(\d+)$#', '-' . ++$matches[1], $slug);
+ $wrap_id = 'menu-' . $menu->slug;
+ while ( in_array( $wrap_id, $menu_id_slugs ) ) {
+ if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) )
+ $wrap_id = preg_replace('#-(\d+)$#', '-' . ++$matches[1], $wrap_id );
else
- $slug = $slug . '-1';
+ $wrap_id = $wrap_id . '-1';
}
}
- $menu_id_slugs[] = $slug;
- $attributes = ' id="' . $slug . '"';
- $attributes .= $args->menu_class ? ' class="'. $args->menu_class .'"' : '';
+ $menu_id_slugs[] = $wrap_id;
- $nav_menu .= '<ul'. $attributes .'>';
+ $wrap_class = $args->menu_class ? $args->menu_class : '';
// Allow plugins to hook into the menu to add their own <li>'s
$items = apply_filters( 'wp_nav_menu_items', $items, $args );
$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );
- $nav_menu .= $items;
- unset($items);
- $nav_menu .= '</ul>';
+ // Don't print any markup if there are no items at this point.
+ if ( empty( $items ) )
+ return false;
+
+ $nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items );
+ unset( $items );
if ( $show_container )
$nav_menu .= '</' . $args->container . '>';
* @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 ) {
- global $wp_query;
+ global $wp_query, $wp_rewrite;
$queried_object = $wp_query->get_queried_object();
$queried_object_id = (int) $wp_query->queried_object_id;
}
}
}
- } elseif ( ! empty( $queried_object->post_type ) && is_post_type_hierarchical( $queried_object->post_type ) ) {
- _get_post_ancestors( $queried_object );
} elseif ( ! empty( $queried_object->taxonomy ) && is_taxonomy_hierarchical( $queried_object->taxonomy ) ) {
$term_hierarchy = _get_term_hierarchy( $queried_object->taxonomy );
$term_to_ancestor = array();
$possible_object_parents = array_filter( $possible_object_parents );
+ $front_page_url = home_url();
+
foreach ( (array) $menu_items as $key => $menu_item ) {
+
+ $menu_items[$key]->current = false;
+
$classes = (array) $menu_item->classes;
$classes[] = 'menu-item';
$classes[] = 'menu-item-type-' . $menu_item->type;
+ $classes[] = 'menu-item-object-' . $menu_item->object;
// if the menu item corresponds to a taxonomy term for the currently-queried non-hierarchical post object
if ( $wp_query->is_singular && 'taxonomy' == $menu_item->type && in_array( $menu_item->object_id, $possible_object_parents ) ) {
(
( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && $wp_query->is_home && $home_page_id == $menu_item->object_id ) ||
( 'post_type' == $menu_item->type && $wp_query->is_singular ) ||
- ( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) )
+ ( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) && $queried_object->taxonomy == $menu_item->object )
)
) {
$classes[] = 'current-menu-item';
+ $menu_items[$key]->current = true;
$_anc_id = (int) $menu_item->db_id;
while(
// if the menu item corresponds to the currently-requested URL
} elseif ( 'custom' == $menu_item->object ) {
- $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
- $item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
- if ( $item_url == $current_url ) {
+ $_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 );
+ $_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 ) ) ) {
$classes[] = 'current-menu-item';
+ $menu_items[$key]->current = true;
$_anc_id = (int) $menu_item->db_id;
while(
$active_ancestor_item_ids[] = $_anc_id;
}
- if ( untrailingslashit($current_url) == home_url() ) {
- $classes[] = 'menu-item-home';
- // Back compat for home limk to match wp_page_menu()
+ if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ) ) ) {
+ // Back compat for home link to match wp_page_menu()
$classes[] = 'current_page_item';
}
$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
$active_parent_object_ids[] = (int) $menu_item->post_parent;
$active_object = $menu_item->object;
+
+ // give front page item current-menu-item class when extra query arguments involved
+ } elseif ( $item_url == $front_page_url && is_front_page() ) {
+ $classes[] = 'current-menu-item';
}
+
+ if ( untrailingslashit($item_url) == home_url() )
+ $classes[] = 'menu-item-home';
}
// back-compat with wp_page_menu: add "current_page_parent" to static home page link for any non-page query
// set parent's class
foreach ( (array) $menu_items as $key => $parent_item ) {
$classes = (array) $parent_item->classes;
+ $menu_items[$key]->current_item_ancestor = false;
+ $menu_items[$key]->current_item_parent = false;
if (
isset( $parent_item->type ) &&
'post_type' == $parent_item->type &&
! empty( $queried_object->post_type ) &&
is_post_type_hierarchical( $queried_object->post_type ) &&
- in_array( $parent_item->object_id, $queried_object->ancestors )
+ in_array( $parent_item->object_id, $queried_object->ancestors ) &&
+ $parent_item->object != $queried_object->ID
) ||
// ancestral term
(
'taxonomy' == $parent_item->type &&
isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
- in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] )
+ in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
+ (
+ ! isset( $queried_object->term_id ) ||
+ $parent_item->object_id != $queried_object->term_id
+ )
)
)
) {
if ( in_array( intval( $parent_item->db_id ), $active_ancestor_item_ids ) ) {
$classes[] = 'current-menu-ancestor';
+ $menu_items[$key]->current_item_ancestor = true;
}
- if ( in_array( $parent_item->db_id, $active_parent_item_ids ) )
+ if ( in_array( $parent_item->db_id, $active_parent_item_ids ) ) {
$classes[] = 'current-menu-parent';
+ $menu_items[$key]->current_item_parent = true;
+ }
if ( in_array( $parent_item->object_id, $active_parent_object_ids ) )
$classes[] = 'current-' . $active_object . '-parent';
* Retrieve the HTML list content for nav menu items.
*
* @uses Walker_Nav_Menu to create HTML list content.
- * @since 2.1.0
+ * @since 3.0.0
* @see Walker::walk() for parameters and return description.
*/
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 );
}
-?>
+/**
+ * Prevents a menu item ID from being used more than once.
+ *
+ * @since 3.0.1
+ * @access private
+ */
+function _nav_menu_item_id_use_once( $id, $item ) {
+ static $_used_ids = array();
+ 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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