mirror of
https://github.com/WordPress/WordPress.git
synced 2024-12-27 03:27:46 +01:00
dc5aa67d84
git-svn-id: http://svn.automattic.com/wordpress/trunk@13580 1a063a9b-81f0-0310-95a4-ce76da25c4cd
289 lines
7.5 KiB
PHP
289 lines
7.5 KiB
PHP
<?php
|
|
/**
|
|
* Navigation Menu functions
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Navigation Menus
|
|
* @since 3.0.0
|
|
*/
|
|
|
|
/**
|
|
* Returns a Navigation Menu object
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param string $menu Menu id
|
|
* @return mixed $menu|false
|
|
*/
|
|
function wp_get_nav_menu_object( $menu ) {
|
|
return is_nav_menu( $menu );
|
|
}
|
|
|
|
/**
|
|
* Check if Menu exists.
|
|
*
|
|
* Returns the menu object, or false if the term doesn't exist.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param int|string $menu The menu to check
|
|
* @return mixed Menu Object, if exists.
|
|
*/
|
|
function is_nav_menu( $menu ) {
|
|
if ( !$menu )
|
|
return false;
|
|
|
|
$menu_obj = get_term( $menu, 'nav_menu' );
|
|
|
|
if ( !$menu_obj )
|
|
$menu_obj = get_term_by( 'slug', $menu, 'nav_menu' );
|
|
|
|
if ( !$menu_obj )
|
|
$menu_obj = get_term_by( 'name', $menu, 'nav_menu' );
|
|
|
|
if ( !$menu_obj ) {
|
|
$menu_obj = false;
|
|
}
|
|
|
|
return $menu_obj;
|
|
}
|
|
|
|
/**
|
|
* Returns all Navigation Menu objects.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @return array menu objects
|
|
*/
|
|
function wp_get_nav_menus() {
|
|
return get_terms( 'nav_menu', array( 'hide_empty' => false, 'orderby' => 'id' ) );
|
|
}
|
|
|
|
/**
|
|
* Creates a navigation menu.
|
|
*
|
|
* Optional args:
|
|
* slug - the url friendly version of the nav menu.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param string $menu_name Menu Name
|
|
* @param string $args Optional.
|
|
* @return mixed Menu object|WP_Error
|
|
*/
|
|
function wp_create_nav_menu( $menu_name, $args = array() ) {
|
|
$menu_exists = get_term_by( 'name', $menu_name, 'nav_menu' );
|
|
|
|
if ( $menu_exists )
|
|
return new WP_Error( 'menu_exists', sprintf( __('A menu named “%s” already exists; please try another name.'), esc_html( $menu_exists->name ) ) );
|
|
|
|
if ( isset($args['slug']) )
|
|
$slug = $args['slug'];
|
|
else
|
|
$slug = $menu_name;
|
|
|
|
$menu = wp_insert_term( $menu_name, 'nav_menu', array('slug' => $slug) );
|
|
|
|
if ( is_wp_error($menu) )
|
|
return $menu;
|
|
|
|
return get_term( $menu['term_id'], 'nav_menu') ;
|
|
}
|
|
|
|
/**
|
|
* Deletes a navigation menu.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param string $menu name|id|slug
|
|
* @return bool true on success, else false.
|
|
*/
|
|
function wp_delete_nav_menu( $menu ) {
|
|
$menu = wp_get_nav_menu_object( $menu );
|
|
if ( !$menu )
|
|
return false;
|
|
|
|
$menu_objects = get_objects_in_term( $menu->term_id, 'nav_menu' );
|
|
if ( !empty( $menu_objects ) ) {
|
|
foreach ( $menu_objects as $item ) {
|
|
wp_delete_post( $item );
|
|
}
|
|
}
|
|
wp_delete_term( $menu->term_id, 'nav_menu' );
|
|
}
|
|
|
|
/**
|
|
* Creates a nav menu named 'Menu 1'.
|
|
*
|
|
* This function is called if the user doesn't have any nav menus.
|
|
* It grabs the first 14 pages, and creates a new default menu.
|
|
*
|
|
* @since 3.0.0
|
|
*/
|
|
function wp_create_default_nav_menu() {
|
|
$menu = wp_create_nav_menu( __('Menu 1'), array('slug' => 'menu-1') );
|
|
|
|
if ( is_wp_error($menu) )
|
|
return;
|
|
|
|
$pages = get_pages( array('parent' => 0, 'number' => 15) );
|
|
$counter = 1;
|
|
foreach ( $pages as $page ) {
|
|
$item = array( 'post_status' => 'publish', 'post_type' => 'nav_menu_item', 'menu_order' => $counter, 'tax_input' => array( 'nav_menu' => $menu->name), 'post_title' => addslashes($page->post_title) );
|
|
$item_id = wp_insert_post($item, true);
|
|
update_post_meta( $item_id, 'menu_type', 'page' );
|
|
update_post_meta( $item_id, 'object_id', $page->ID );
|
|
update_post_meta( $item_id, 'menu_new_window', 0 );
|
|
$counter++;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the menu items of a navigation menu.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param string $menu menu name, id, or slug
|
|
* @param string $args
|
|
* @return mixed $items array of menu items, else false.
|
|
*/
|
|
function wp_get_nav_menu_items( $menu, $args = array() ) {
|
|
$menu = wp_get_nav_menu_object( $menu );
|
|
|
|
if ( !$menu )
|
|
return false;
|
|
|
|
$items = get_objects_in_term( $menu->term_id, 'nav_menu' );
|
|
|
|
if ( ! empty( $items ) ) {
|
|
$defaults = array( 'orderby' => 'menu_order', 'post_type' => 'nav_menu_item', 'post_status' => 'publish', 'output' => ARRAY_A, 'output_key' => 'menu_order' );
|
|
$args = wp_parse_args( $args, $defaults );
|
|
if ( count( $items ) > 1 )
|
|
$args['include'] = implode( ',', $items );
|
|
else
|
|
$args['include'] = $items[0];
|
|
|
|
$items = get_posts( $args );
|
|
|
|
if ( ARRAY_A == $args['output'] ) {
|
|
$output = array();
|
|
foreach ( $items as $item ) {
|
|
$output[$item->$args['output_key']] = $item;
|
|
}
|
|
unset( $items );
|
|
ksort( $output );
|
|
return $output;
|
|
}
|
|
}
|
|
return $items;
|
|
}
|
|
|
|
/**
|
|
* Returns a menu item with all it's nessecary data populated.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param string $menu_item Menu item.
|
|
* @param string $type item|category|page.
|
|
* @param string $position position of the menu item.
|
|
* @return $menu_item
|
|
*/
|
|
function wp_setup_nav_menu_item( $menu_item, $type = 'item', $position = 0 ) {
|
|
global $parent_menu_order;
|
|
|
|
if ( 'item' == $type ) {
|
|
$menu_item->type = get_post_meta( $menu_item->ID, 'menu_type', true );
|
|
$menu_item->object_id = get_post_meta( $menu_item->ID, 'object_id', true );
|
|
$menu_item->target = ( get_post_meta( $menu_item->ID, 'menu_new_window', true ) ) ? 'target="_blank"' : '';
|
|
if ( isset( $parent_menu_order[ $menu_item->post_parent ] ) )
|
|
$menu_item->parent_item = $parent_menu_order[ $menu_item->post_parent ];
|
|
else
|
|
$menu_item->parent_item = 0;
|
|
} elseif ( 'category' == $type ) {
|
|
$menu_item->type = $type;
|
|
$menu_item->object_id = $menu_item->term_id;
|
|
$menu_item->ID = $menu_item->term_id;
|
|
$menu_item->parent_item = $menu_item->parent;
|
|
$menu_item->menu_order = $position;
|
|
} elseif ( 'page' == $type ) {
|
|
$menu_item->type = $type;
|
|
$menu_item->object_id = $menu_item->ID;
|
|
$menu_item->parent_item = $menu_item->post_parent;
|
|
$menu_item->menu_order = $position;
|
|
}
|
|
|
|
switch ( $menu_item->type ) {
|
|
case 'page' :
|
|
$menu_item->link = get_page_link( $menu_item->object_id );
|
|
|
|
if ( $menu_item->post_title == '' )
|
|
$menu_item->title = get_the_title( $menu_item->object_id );
|
|
else
|
|
$menu_item->title = $menu_item->post_title;
|
|
|
|
if ( $menu_item->post_content == '' )
|
|
$menu_item->description = get_post_meta( $menu_item->ID, 'page-description', true );
|
|
else
|
|
$menu_item->description = $menu_item->post_content;
|
|
$menu_item->append = _x('Page', 'menu nav item type');
|
|
break;
|
|
case 'category' :
|
|
$menu_item->link = get_category_link( $menu_item->object_id );
|
|
|
|
if ( empty($menu_item->post_title) ) {
|
|
$title_raw = get_category( $menu_item->object_id );
|
|
$menu_item->title = $title_raw->cat_name;
|
|
} else {
|
|
$menu_item->title = $menu_item->post_title;
|
|
}
|
|
|
|
if ( empty($menu_item->post_content) )
|
|
$menu_item->description = strip_tags( category_description( $menu_item->object_id ) );
|
|
else
|
|
$menu_item->description = $menu_item->post_content;
|
|
$menu_item->append = _x('Category', 'menu nav item type');
|
|
break;
|
|
case 'custom' :
|
|
default :
|
|
$menu_item->link = esc_url_raw( get_post_meta( $menu_item->ID, 'menu_link', true ) );
|
|
$menu_item->title = $menu_item->post_title;
|
|
$menu_item->description = $menu_item->post_content;
|
|
$menu_item->append = _x('Custom', 'menu nav item type');
|
|
break;
|
|
}
|
|
|
|
$menu_item->li_class = '';
|
|
global $wp_query;
|
|
|
|
if ( $menu_item->object_id == $wp_query->get_queried_object_id() )
|
|
$menu_item->li_class = ' current_page_item';
|
|
|
|
$menu_item->anchor_title = '';
|
|
/* @todo: update to use tax/post data
|
|
|
|
//SET anchor title
|
|
if (isset($wp_custom_nav_menu_items->custom_anchor_title)) {
|
|
$anchor_title = $wp_custom_nav_menu_items->custom_anchor_title;
|
|
}
|
|
else {
|
|
$anchor_title = $title;
|
|
}
|
|
|
|
if ($queried_id == $wp_custom_nav_menu_items->post_id) {
|
|
$li_class = 'class="current_page_item"';
|
|
}
|
|
|
|
if (isset($wp_custom_nav_menu_items->new_window)) {
|
|
if ($wp_custom_nav_menu_items->new_window > 0) {
|
|
$target = 'target="_blank"';
|
|
}
|
|
else {
|
|
$target = '';
|
|
}
|
|
}
|
|
*/
|
|
|
|
return $menu_item;
|
|
}
|
|
?>
|