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<?php
/**
* Toolbar API: WP_Admin_Bar class
*
* @package WordPress
* @subpackage Toolbar
* @since 3.1.0
*/
/**
* Core class used to implement the Toolbar API.
*
* @since 3.1.0
*/
class WP_Admin_Bar {
private $nodes = array();
private $bound = false;
public $user;
/**
* @param string $name
* @return string|array|void
*/
public function __get( $name ) {
switch ( $name ) {
case 'proto' :
return is_ssl() ? 'https://' : 'http://';
case 'menu' :
_deprecated_argument( 'WP_Admin_Bar', '3.3.0', '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.
}
}
/**
*/
public function initialize() {
$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' ) ) {
/**
* To remove the default padding styles from WordPress for the Toolbar, use the following code:
* add_theme_support( 'admin-bar', array( 'callback' => '__return_false' ) );
*/
$admin_bar_args = get_theme_support( 'admin-bar' );
$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' );
/**
* Fires after WP_Admin_Bar is initialized.
*
* @since 3.1.0
*/
do_action( 'admin_bar_init' );
}
/**
* @param array $node
*/
public function add_menu( $node ) {
$this->add_node( $node );
}
/**
* @param string $id
*/
public function remove_menu( $id ) {
$this->remove_node( $id );
}
/**
* Adds a node to the menu.
*
* @since 3.1.0
* @since 4.5.0 Added the ability to pass 'lang' and 'dir' meta data.
*
* @param array $args {
* Arguments for adding a node.
*
* @type string $id ID of the item.
* @type string $title Title of the node.
* @type string $parent Optional. ID of the parent node.
* @type string $href Optional. Link for the item.
* @type bool $group Optional. Whether or not the node is a group. Default false.
* @type array $meta Meta data including the following keys: 'html', 'class', 'rel', 'lang', 'dir',
* 'onclick', 'target', 'title', 'tabindex'. Default empty.
* }
*/
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.' ), '3.3.0' );
// 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 ( $maybe_defaults = $this->get_node( $args['id'] ) )
$defaults = get_object_vars( $maybe_defaults );
// 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 );
}
/**
* @param array $args
*/
final protected function _set_node( $args ) {
$this->nodes[ $args['id'] ] = (object) $args;
}
/**
* Gets a node.
*
* @param string $id
* @return object Node.
*/
final public function get_node( $id ) {
if ( $node = $this->_get_node( $id ) )
return clone $node;
}
/**
* @param string $id
* @return object|void
*/
final protected function _get_node( $id ) {
if ( $this->bound )
return;
if ( empty( $id ) )
$id = 'root';
if ( isset( $this->nodes[ $id ] ) )
return $this->nodes[ $id ];
}
/**
* @return array|void
*/
final public function get_nodes() {
if ( ! $nodes = $this->_get_nodes() )
return;
foreach ( $nodes as &$node ) {
$node = clone $node;
}
return $nodes;
}
/**
* @return array|void
*/
final protected function _get_nodes() {
if ( $this->bound )
return;
return $this->nodes;
}
/**
* Add a group to a menu node.
*
* @since 3.3.0
*
* @param array $args {
* Array of arguments for adding a group.
*
* @type string $id ID of the item.
* @type string $parent Optional. ID of the parent node. Default 'root'.
* @type array $meta Meta data for the group including the following keys:
* 'class', 'onclick', 'target', and 'title'.
* }
*/
final public function add_group( $args ) {
$args['group'] = true;
$this->add_node( $args );
}
/**
* Remove a node.
*
* @param string $id The ID of the item.
*/
public function remove_node( $id ) {
$this->_unset_node( $id );
}
/**
* @param string $id
*/
final protected function _unset_node( $id ) {
unset( $this->nodes[ $id ] );
}
/**
*/
public function render() {
$root = $this->_bind();
if ( $root )
$this->_render( $root );
}
/**
* @return object|void
*/
final protected function _bind() {
if ( $this->bound )
return;
// Add the root node.
// Clear it first, just in case. Don't mess with The Root.
$this->remove_node( 'root' );
$this->add_node( array(
'id' => 'root',
'group' => false,
) );
// Normalize nodes: define internal 'children' and 'type' properties.
foreach ( $this->_get_nodes() as $node ) {
$node->children = array();
$node->type = ( $node->group ) ? 'group' : 'item';
unset( $node->group );
// The Root wants your orphans. No lonely items allowed.
if ( ! $node->parent )
$node->parent = 'root';
}
foreach ( $this->_get_nodes() as $node ) {
if ( 'root' == $node->id )
continue;
// Fetch the parent node. If it isn't registered, ignore the node.
if ( ! $parent = $this->_get_node( $node->parent ) ) {
continue;
}
// Generate the group class (we distinguish between top level and other level groups).
$group_class = ( $node->parent == 'root' ) ? 'ab-top-menu' : 'ab-submenu';
if ( $node->type == 'group' ) {
if ( empty( $node->meta['class'] ) )
$node->meta['class'] = $group_class;
else
$node->meta['class'] .= ' ' . $group_class;
}
// Items in items aren't allowed. Wrap nested items in 'default' groups.
if ( $parent->type == 'item' && $node->type == 'item' ) {
$default_id = $parent->id . '-default';
$default = $this->_get_node( $default_id );
// The default group is added here to allow groups that are
// added before standard menu items to render first.
if ( ! $default ) {
// Use _set_node because add_node can be overloaded.
// Make sure to specify default settings for all properties.
$this->_set_node( array(
'id' => $default_id,
'parent' => $parent->id,
'type' => 'group',
'children' => array(),
'meta' => array(
'class' => $group_class,
),
'title' => false,
'href' => false,
) );
$default = $this->_get_node( $default_id );
$parent->children[] = $default;
}
$parent = $default;
// Groups in groups aren't allowed. Add a special 'container' node.
// The container will invisibly wrap both groups.
} elseif ( $parent->type == 'group' && $node->type == 'group' ) {
$container_id = $parent->id . '-container';
$container = $this->_get_node( $container_id );
// We need to create a container for this group, life is sad.
if ( ! $container ) {
// Use _set_node because add_node can be overloaded.
// Make sure to specify default settings for all properties.
$this->_set_node( array(
'id' => $container_id,
'type' => 'container',
'children' => array( $parent ),
'parent' => false,
'title' => false,
'href' => false,
'meta' => array(),
) );
$container = $this->_get_node( $container_id );
// Link the container node if a grandparent node exists.
$grandparent = $this->_get_node( $parent->parent );
if ( $grandparent ) {
$container->parent = $grandparent->id;
$index = array_search( $parent, $grandparent->children, true );
if ( $index === false )
$grandparent->children[] = $container;
else
array_splice( $grandparent->children, $index, 1, array( $container ) );
}
$parent->parent = $container->id;
}
$parent = $container;
}
// Update the parent ID (it might have changed).
$node->parent = $parent->id;
// Add the node to the tree.
$parent->children[] = $node;
}
$root = $this->_get_node( 'root' );
$this->bound = true;
return $root;
}
/**
*
* @global bool $is_IE
* @param object $root
*/
final protected function _render( $root ) {
global $is_IE;
// 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 ( wp_is_mobile() ) {
$class .= ' mobile';
}
?>
<div id="wpadminbar" class="<?php echo $class; ?>">
<?php if ( ! is_admin() ) { ?>
<a class="screen-reader-shortcut" href="#wp-toolbar" tabindex="1"><?php _e( 'Skip to toolbar' ); ?></a>
<?php } ?>
<div class="quicklinks" id="wp-toolbar" role="navigation" aria-label="<?php esc_attr_e( 'Toolbar' ); ?>" tabindex="0">
<?php foreach ( $root->children as $group ) {
$this->_render_group( $group );
} ?>
</div>
<?php if ( is_user_logged_in() ) : ?>
<a class="screen-reader-shortcut" href="<?php echo esc_url( wp_logout_url() ); ?>"><?php _e('Log Out'); ?></a>
<?php endif; ?>
</div>
<?php
}
/**
* @param object $node
*/
final protected function _render_container( $node ) {
if ( $node->type != 'container' || empty( $node->children ) )
return;
?><div id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>" class="ab-group-container"><?php
foreach ( $node->children as $group ) {
$this->_render_group( $group );
}
?></div><?php
}
/**
* @param object $node
*/
final protected function _render_group( $node ) {
if ( $node->type == 'container' ) {
$this->_render_container( $node );
return;
}
if ( $node->type != 'group' || empty( $node->children ) )
return;
if ( ! empty( $node->meta['class'] ) )
$class = ' class="' . esc_attr( trim( $node->meta['class'] ) ) . '"';
else
$class = '';
?><ul id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>"<?php echo $class; ?>><?php
foreach ( $node->children as $item ) {
$this->_render_item( $item );
}
?></ul><?php
}
/**
* @param object $node
*/
final protected function _render_item( $node ) {
if ( $node->type != 'item' )
return;
$is_parent = ! empty( $node->children );
$has_link = ! empty( $node->href );
// Allow only numeric values, then casted to integers, and allow a tabindex value of `0` for a11y.
$tabindex = ( isset( $node->meta['tabindex'] ) && is_numeric( $node->meta['tabindex'] ) ) ? (int) $node->meta['tabindex'] : '';
$aria_attributes = ( '' !== $tabindex ) ? ' tabindex="' . $tabindex . '"' : '';
$menuclass = '';
if ( $is_parent ) {
$menuclass = 'menupop ';
$aria_attributes .= ' aria-haspopup="true"';
}
if ( ! empty( $node->meta['class'] ) )
$menuclass .= $node->meta['class'];
if ( $menuclass )
$menuclass = ' class="' . esc_attr( trim( $menuclass ) ) . '"';
?>
<li id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>"<?php echo $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;
if ( ! empty( $node->meta['rel'] ) ) :
?> rel="<?php echo esc_attr( $node->meta['rel'] ); ?>"<?php
endif;
if ( ! empty( $node->meta['lang'] ) ) :
?> lang="<?php echo esc_attr( $node->meta['lang'] ); ?>"<?php
endif;
if ( ! empty( $node->meta['dir'] ) ) :
?> dir="<?php echo esc_attr( $node->meta['dir'] ); ?>"<?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;
if ( ! empty( $node->meta['lang'] ) ) :
?> lang="<?php echo esc_attr( $node->meta['lang'] ); ?>"<?php
endif;
if ( ! empty( $node->meta['dir'] ) ) :
?> dir="<?php echo esc_attr( $node->meta['dir'] ); ?>"<?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 );
}
?></div><?php
endif;
if ( ! empty( $node->meta['html'] ) )
echo $node->meta['html'];
?>
</li><?php
}
/**
* Renders toolbar items recursively.
*
* @since 3.1.0
* @deprecated 3.3.0 Use WP_Admin_Bar::_render_item() or WP_Admin_bar::render() instead.
* @see WP_Admin_Bar::_render_item()
* @see WP_Admin_Bar::render()
*
* @param string $id Unused.
* @param object $node
*/
public function recursive_render( $id, $node ) {
_deprecated_function( __METHOD__, '3.3.0', '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_my_account_menu', 0 );
add_action( 'admin_bar_menu', 'wp_admin_bar_search_menu', 4 );
add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_item', 7 );
// Site related.
add_action( 'admin_bar_menu', 'wp_admin_bar_sidebar_toggle', 0 );
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_customize_menu', 40 );
add_action( 'admin_bar_menu', 'wp_admin_bar_updates_menu', 50 );
// 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 );
/**
* Fires after menus are added to the menu bar.
*
* @since 3.1.0
*/
do_action( 'add_admin_bar_menus' );
}
}