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

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<?php
class WP_Admin_Bar {
private $nodes = array();
public $user;
public function __get( $name ) {
switch ( $name ) {
case 'proto' :
return is_ssl() ? 'https://' : 'http://';
break;
case 'menu' :
_deprecated_argument( 'WP_Admin_Bar', '3.3', 'Modify admin bar nodes with WP_Admin_Bar::get_node(), WP_Admin_Bar::add_node(), and WP_Admin_Bar::remove_node(), not the <code>menu</code> property.' );
return array(); // Sorry, folks.
break;
}
}
public function initialize() {
$this->user = new stdClass;
$this->add_node( array(
'id' => 'root',
'group' => false,
) );
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.
* - group - boolean - If the node is a group. Optional. Default false.
* - meta - array - Meta data including the following keys: html, class, onclick, target, title, tabindex.
*/
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) );
if ( is_object( $args ) )
$args = get_object_vars( $args );
// Ensure we have a valid title.
if ( empty( $args['id'] ) ) {
if ( empty( $args['title'] ) )
return;
_doing_it_wrong( __METHOD__, __( 'The menu ID should not be empty.' ), '3.3' );
// Deprecated: Generate an ID from the title.
$args['id'] = esc_attr( sanitize_title( trim( $args['title'] ) ) );
}
$defaults = array(
'id' => false,
'title' => false,
'parent' => false,
'href' => false,
'group' => false,
'meta' => array(),
);
// If the node already exists, keep any data that isn't provided.
if ( $this->get_node( $args['id'] ) )
$defaults = get_object_vars( $this->get_node( $args['id'] ) );
// Do the same for 'meta' items.
if ( ! empty( $defaults['meta'] ) && empty( $args['meta'] ) )
$args['meta'] = wp_parse_args( $args['meta'], $defaults['meta'] );
$args = wp_parse_args( $args, $defaults );
$back_compat_parents = array(
'my-account-with-avatar' => array( 'my-account', '3.3' ),
'my-blogs' => array( 'my-sites', '3.3' ),
);
if ( isset( $back_compat_parents[ $args['parent'] ] ) ) {
list( $new_parent, $version ) = $back_compat_parents[ $args['parent'] ];
_deprecated_argument( __METHOD__, $version, sprintf( 'Use <code>%s</code> as the parent for the <code>%s</code> admin bar node instead of <code>%s</code>.', $new_parent, $args['id'], $args['parent'] ) );
$args['parent'] = $new_parent;
}
$this->_set_node( $args );
}
final protected function _set_node( $args ) {
$this->nodes[ $args['id'] ] = (object) $args;
}
/**
* Gets a node.
*
* @return object Node.
*/
final public function get_node( $id ) {
if ( isset( $this->nodes[ $id ] ) )
return $this->nodes[ $id ];
}
final protected function _get_nodes() {
return $this->nodes;
}
/**
* Add a group to a menu node.
*
* @since 3.3.0
*
* @param array $args - The arguments for each node.
* - id - string - The ID of the item.
* - parent - string - The ID of the parent node. Optional. Default root.
* - meta - array - Meta data including the following keys: class, onclick, target, title.
*/
final public function add_group( $args ) {
$args['group'] = true;
$this->add_node( $args );
}
/**
* Remove a node.
*
* @return object The removed node.
*/
public function remove_node( $id ) {
$this->_unset_node( $id );
}
final protected function _unset_node( $id ) {
unset( $this->nodes[ $id ] );
}
public function render() {
$this->_bind();
$this->_render();
}
final protected function _bind() {
foreach ( $this->_get_nodes() as $node ) {
if ( 'root' == $node->id )
continue;
// Handle root menu items
if ( empty( $node->parent ) ) {
$parent = $this->get_node( 'root' );
} elseif ( ! $parent = $this->get_node( $node->parent ) ) {
// If the parent node isn't registered, ignore the node.
continue;
}
// Ensure that our tree is of the form "item -> group -> item -> group -> ..."
if ( ! $parent->group && ! $node->group ) { // Both are items.
// The default group is added here to allow groups that are
// added before standard menu items to render first.
if ( ! isset( $parent->children['default'] ) ) {
$parent->children['default'] = (object) array(
'id' => "{$parent->id}-default",
'parent' => $parent->id,
'group' => true,
'children' => array(),
);
}
$parent = $parent->children['default'];
}
// Update the parent ID (it might have changed).
$node->parent = $parent->id;
if ( ! isset( $parent->children ) )
$parent->children = array();
// Add the node to the tree.
$parent->children[] = $node;
}
}
final protected function _render() {
global $is_IE, $is_iphone;
// Add browser classes.
// We have to do this here since admin bar shows on the front end.
$class = 'nojq nojs';
if ( $is_IE ) {
if ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 7' ) )
$class .= ' ie7';
elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 8' ) )
$class .= ' ie8';
elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 9' ) )
$class .= ' ie9';
} elseif ( $is_iphone ) {
$class .= ' mobile';
}
?>
<div id="wpadminbar" class="<?php echo $class; ?>" role="navigation">
<div class="quicklinks">
<?php foreach ( $this->get_node( 'root' )->children as $group ) {
$this->_render_group( $group, 'ab-top-menu' );
} ?>
</div>
</div>
<?php
}
final protected function _render_group( $node, $class = '' ) {
if ( ! $node->group )
return;
// Check for groups within groups.
$groups = array();
foreach ( $node->children as $child ) {
if ( $child->group ) {
$groups[] = $child;
} else {
if ( ! isset( $default ) ) {
// Create a default proxy item to be used in the case of nested groups.
$default = (object) wp_parse_args( array( 'children' => array() ), (array) $node );
$groups[] = $default;
}
$default->children[] = $child;
}
}
$is_single_group = count( $groups ) === 1;
// If we don't have any subgroups, render the group.
if ( $is_single_group && ! empty( $node->children ) ) :
if ( ! empty( $node->meta['class'] ) )
$class .= ' ' . $node->meta['class'];
?><ul id="<?php echo esc_attr( "wp-admin-bar-{$node->id}" ); ?>" class="<?php echo esc_attr( $class ); ?>"><?php
foreach ( $node->children as $item ) {
$this->_render_item( $item );
}
?></ul><?php
// Wrap the subgroups in a div and render each individual subgroup.
elseif ( ! $is_single_group ) :
?><div id="<?php echo esc_attr( "wp-admin-bar-{$node->id}-container" ); ?>" class="ab-group-container"><?php
foreach ( $groups as $group ) {
$this->_render_group( $group, $class );
}
?></div><?php
endif;
}
final protected function _render_item( $node ) {
if ( $node->group )
return;
$is_parent = ! empty( $node->children );
$has_link = ! empty( $node->href );
$tabindex = isset( $node->meta['tabindex'] ) ? (int) $node->meta['tabindex'] : 10;
$menuclass = '';
$aria_attributes = 'tabindex="' . $tabindex . '"';
if ( $is_parent ) {
$menuclass = 'menupop';
$aria_attributes .= ' aria-haspopup="true"';
}
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 ); ?>"><?php
if ( $has_link ):
?><a class="ab-item" <?php echo $aria_attributes; ?> 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
else:
?><div class="ab-item ab-empty-item" <?php echo $aria_attributes;
if ( ! empty( $node->meta['title'] ) ) :
?> title="<?php echo esc_attr( $node->meta['title'] ); ?>"<?php
endif;
?>><?php
endif;
echo $node->title;
if ( $has_link ) :
?></a><?php
else:
?></div><?php
endif;
if ( $is_parent ) :
?><div class="ab-sub-wrapper"><?php
foreach ( $node->children as $group ) {
$this->_render_group( $group, 'ab-submenu' );
}
?></div><?php
endif;
if ( ! empty( $node->meta['html'] ) )
echo $node->meta['html'];
?>
</li><?php
}
public function recursive_render( $id, $node ) {
_deprecated_function( __METHOD__, '3.3', 'WP_Admin_bar::render(), WP_Admin_Bar::_render_item()' );
$this->_render_item( $node );
}
public function add_menus() {
// User related, aligned right.
add_action( 'admin_bar_menu', 'wp_admin_bar_search_menu', 10 );
add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_menu', 20 );
// 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.
if ( ! is_network_admin() && ! is_user_admin() ) {
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_add_secondary_groups', 200 );
do_action( 'add_admin_bar_menus' );
}
}
?>