WordPress/wp-includes/class-wp-admin-bar.php

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<?php
class WP_Admin_Bar {
private $nodes = array();
private $root = array();
public $proto = 'http://';
public $user;
function initialize() {
/* Set the protocol used throughout this code */
if ( is_ssl() )
$this->proto = 'https://';
$this->user = new stdClass;
if ( is_user_logged_in() ) {
/* Populate settings we need for the menu based on the current user. */
$this->user->blogs = get_blogs_of_user( get_current_user_id() );
if ( is_multisite() ) {
$this->user->active_blog = get_active_blog_for_user( get_current_user_id() );
$this->user->domain = empty( $this->user->active_blog ) ? user_admin_url() : trailingslashit( get_home_url( $this->user->active_blog->blog_id ) );
$this->user->account_domain = $this->user->domain;
} else {
$this->user->active_blog = $this->user->blogs[get_current_blog_id()];
$this->user->domain = trailingslashit( home_url() );
$this->user->account_domain = $this->user->domain;
}
}
add_action( 'wp_head', 'wp_admin_bar_header' );
add_action( 'admin_head', 'wp_admin_bar_header' );
if ( current_theme_supports( 'admin-bar' ) ) {
$admin_bar_args = get_theme_support( 'admin-bar' ); // add_theme_support( 'admin-bar', array( 'callback' => '__return_false') );
$header_callback = $admin_bar_args[0]['callback'];
}
if ( empty($header_callback) )
$header_callback = '_admin_bar_bump_cb';
add_action('wp_head', $header_callback);
wp_enqueue_script( 'admin-bar' );
wp_enqueue_style( 'admin-bar' );
do_action( 'admin_bar_init' );
}
public function add_menu( $node ) {
$this->add_node( $node );
}
public function remove_menu( $id ) {
$this->remove_node( $id );
}
/**
* Add a node to the menu.
*
* @param array $args - The arguments for each node.
* - id - string - The ID of the item.
* - title - string - The title of the node.
* - parent - string - The ID of the parent node. Optional.
* - href - string - The link for the item. Optional.
* - meta - array - Meta data including the following keys: html, class, onclick, target, title.
*/
public function add_node( $args ) {
// Shim for old method signature: add_node( $parent_id, $menu_obj, $args )
if ( func_num_args() >= 3 && is_string( func_get_arg(0) ) )
$args = array_merge( array( 'parent' => func_get_arg(0) ), func_get_arg(2) );
// Ensure we have a valid title.
if ( empty( $args['title'] ) )
return false;
if ( empty( $args['id'] ) ) {
_doing_it_wrong( __METHOD__, __( 'The menu ID should not be empty.' ), '3.3' );
$args['id'] = esc_attr( sanitize_title( trim( $args['title'] ) ) );
}
$defaults = array(
'id' => false,
'title' => false,
'parent' => false,
'href' => false,
'meta' => array(),
);
// If the node already exists, keep any data that isn't provided.
if ( isset( $this->nodes[ $args['id'] ] ) )
$defaults = (array) $this->nodes[ $args['id'] ];
$args = wp_parse_args( $args, $defaults );
$this->nodes[ $args['id'] ] = (object) $args;
}
public function remove_node( $id ) {
unset( $this->nodes[ $id ] );
}
public function render() {
// Link nodes to parents.
foreach ( $this->nodes as $node ) {
// Handle root menu items
if ( empty( $node->parent ) ) {
$this->root[] = $node;
continue;
}
// If the parent node isn't registered, ignore the node.
if ( ! isset( $this->nodes[ $node->parent ] ) )
continue;
$parent = $this->nodes[ $node->parent ];
if ( ! isset( $parent->children ) )
$parent->children = array();
$parent->children[] = $node;
}
?>
<div id="wpadminbar" class="nojq nojs">
<div class="quicklinks">
<ul class="ab-top-menu"><?php
foreach ( $this->root as $node ) {
$this->recursive_render( $node );
}
?></ul>
</div>
</div>
<?php
}
function recursive_render( $node ) {
$is_parent = ! empty( $node->children );
$menuclass = $is_parent ? 'menupop' : '';
if ( ! empty( $node->meta['class'] ) )
$menuclass .= ' ' . $node->meta['class'];
?>
<li id="<?php echo esc_attr( "wp-admin-bar-{$node->id}" ); ?>" class="<?php echo esc_attr( $menuclass ); ?>">
<a tabindex="1" href="<?php echo esc_url( $node->href ) ?>"<?php
if ( ! empty( $node->meta['onclick'] ) ) :
?> onclick="<?php echo esc_js( $node->meta['onclick'] ); ?>"<?php
endif;
if ( ! empty( $node->meta['target'] ) ) :
?> target="<?php echo esc_attr( $node->meta['target'] ); ?>"<?php
endif;
if ( ! empty( $node->meta['title'] ) ) :
?> title="<?php echo esc_attr( $node->meta['title'] ); ?>"<?php
endif;
?>><?php
if ( $is_parent ) :
?><span><?php
endif;
echo $node->title;
if ( $is_parent ) :
?></span><?php
endif;
?></a>
<?php if ( $is_parent ) : ?>
<ul><?php
// Render children.
foreach ( $node->children as $child_node ) {
$this->recursive_render( $child_node );
}
?></ul>
<?php endif;
if ( ! empty( $node->meta['html'] ) )
echo $node->meta['html'];
?>
</li><?php
}
function add_menus() {
// User related, aligned right.
add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_menu', 10 );
// Site related.
add_action( 'admin_bar_menu', 'wp_admin_bar_wp_menu', 10 );
add_action( 'admin_bar_menu', 'wp_admin_bar_my_sites_menu', 20 );
add_action( 'admin_bar_menu', 'wp_admin_bar_site_menu', 30 );
add_action( 'admin_bar_menu', 'wp_admin_bar_updates_menu', 40 );
// Content related.
add_action( 'admin_bar_menu', 'wp_admin_bar_comments_menu', 60 );
add_action( 'admin_bar_menu', 'wp_admin_bar_new_content_menu', 70 );
add_action( 'admin_bar_menu', 'wp_admin_bar_edit_menu', 80 );
add_action( 'admin_bar_menu', 'wp_admin_bar_shortlink_menu', 90 );
if ( ! is_admin() )
add_action( 'admin_bar_menu', 'wp_admin_bar_search_menu', 100 );
do_action( 'add_admin_bar_menus' );
}
}
?>