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Add parent classes to nav menu. Props filosofo. see #12812 

git-svn-id: https://develop.svn.wordpress.org/trunk@14876 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2010-05-25 13:30:10 +00:00
parent c7b16f2304
commit ae2d4eba15
1 changed files with 83 additions and 18 deletions
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101
wp-includes/nav-menu-template.php
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@ -70,24 +70,7 @@ class Walker_Nav_Menu extends Walker {
$classes = $value = '';
$classes = array( 'menu-item', 'menu-item-type-'. $item->type, $item->classes );
if ( 'custom' == $item->object ) {
$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$item_url = strpos( $item->url, '#' ) ? substr( $item->url, 0, strpos( $item->url, '#' ) ) : $item->url;
if ( $item_url == $current_url )
$classes[] = 'current-menu-item';
} else {
$classes[] = 'menu-item-object-'. $item->object;
if (
$item->object_id == $wp_query->get_queried_object_id() &&
( ( 'post_type' == $item->type && $wp_query->is_singular ) ||
( 'taxonomy' == $item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) ) )
)
$classes[] = 'current-menu-item';
}
// @todo add classes for parent/child relationships
$classes = array( 'menu-item', 'menu-item-type-'. $item->type, $item->classes, 'menu-item-object-'. $item->object );
$classes = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
$classes = ' class="' . esc_attr( $classes ) . '"';
@ -245,9 +228,13 @@ function wp_nav_menu( $args = array() ) {
}
// Set up the $menu_item variables
if ( 'frontend' == $args->context )
_wp_menu_item_classes_by_context( $menu_items );
$sorted_menu_items = array();
foreach ( (array) $menu_items as $key => $menu_item )
$sorted_menu_items[$menu_item->menu_order] = $menu_item;
unset($menu_items);
$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
@ -278,6 +265,84 @@ function wp_nav_menu( $args = array() ) {
return $nav_menu;
}
/**
* Add the class property classes for the current frontend context, if applicable.
*
* @access private
* @since 3.0
*
* @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 = array() ) {
global $wp_query;
$queried_object = $wp_query->get_queried_object();
$queried_object_id = (int) $wp_query->queried_object_id;
$active_object = '';
$active_parent_item_ids = array();
$active_parent_object_ids = array();
$possible_object_parents = array();
if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) {
foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) {
if ( is_taxonomy_hierarchical( $taxonomy ) ) {
$terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) );
if ( is_array( $terms ) )
$possible_object_parents = array_merge( $possible_object_parents, $terms );
}
}
}
$possible_object_parents = array_filter( $possible_object_parents );
foreach( (array) $menu_items as $key => $menu_item ) {
// 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 ) ) {
$active_parent_object_ids[] = (int) $menu_item->object_id;
$active_parent_item_ids[] = (int) $menu_item->db_id;
$active_object = $queried_object->post_type;
// if the menu item corresponds to the currently-queried post or taxonomy object
} elseif (
$menu_item->object_id == $queried_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 ) )
)
) {
$menu_items[$key]->classes = trim( $menu_item->classes . ' ' . 'current-menu-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;
// 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 ) {
$menu_items[$key]->classes = trim( $menu_item->classes . ' ' . 'current-menu-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;
}
}
}
$active_parent_item_ids = array_filter( array_unique( $active_parent_item_ids ) );
$active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) );
// set parent's class
if ( ! empty( $active_parent_item_ids ) || ! empty( $active_parent_object_ids ) ) {
foreach( (array) $menu_items as $key => $parent_item ) {
if ( in_array( $parent_item->db_id, $active_parent_item_ids ) )
$menu_items[$key]->classes = trim( $parent_item->classes . ' ' . 'current-menu-parent' );
if ( in_array( $parent_item->object_id, $active_parent_object_ids ) )
$menu_items[$key]->classes = trim( $parent_item->classes . ' ' . 'current-' . $active_object . '-parent' );
}
}
}
/**
* Retrieve the HTML list content for nav menu items.
*