681 lines
17 KiB
PHP
681 lines
17 KiB
PHP
<?php
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/**
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* Toolbar API: WP_Admin_Bar class
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*
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* @package WordPress
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* @subpackage Toolbar
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* @since 3.1.0
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*/
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/**
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* Core class used to implement the Toolbar API.
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*
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* @since 3.1.0
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*/
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#[AllowDynamicProperties]
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class WP_Admin_Bar {
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private $nodes = array();
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private $bound = false;
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public $user;
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/**
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* Deprecated menu property.
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*
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* @since 3.1.0
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* @deprecated 3.3.0 Modify admin bar nodes with WP_Admin_Bar::get_node(),
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* WP_Admin_Bar::add_node(), and WP_Admin_Bar::remove_node().
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* @var array
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*/
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public $menu = array();
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/**
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* Initializes the admin bar.
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*
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* @since 3.1.0
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*/
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public function initialize() {
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$this->user = new stdClass();
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if ( is_user_logged_in() ) {
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/* Populate settings we need for the menu based on the current user. */
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$this->user->blogs = get_blogs_of_user( get_current_user_id() );
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if ( is_multisite() ) {
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$this->user->active_blog = get_active_blog_for_user( get_current_user_id() );
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$this->user->domain = empty( $this->user->active_blog ) ? user_admin_url() : trailingslashit( get_home_url( $this->user->active_blog->blog_id ) );
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$this->user->account_domain = $this->user->domain;
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} else {
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$this->user->active_blog = $this->user->blogs[ get_current_blog_id() ];
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$this->user->domain = trailingslashit( home_url() );
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$this->user->account_domain = $this->user->domain;
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}
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}
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add_action( 'wp_head', 'wp_admin_bar_header' );
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add_action( 'admin_head', 'wp_admin_bar_header' );
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if ( current_theme_supports( 'admin-bar' ) ) {
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/**
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* To remove the default padding styles from WordPress for the Toolbar, use the following code:
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* add_theme_support( 'admin-bar', array( 'callback' => '__return_false' ) );
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*/
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$admin_bar_args = get_theme_support( 'admin-bar' );
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$header_callback = $admin_bar_args[0]['callback'];
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}
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if ( empty( $header_callback ) ) {
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$header_callback = '_admin_bar_bump_cb';
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}
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add_action( 'wp_head', $header_callback );
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wp_enqueue_script( 'admin-bar' );
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wp_enqueue_style( 'admin-bar' );
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/**
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* Fires after WP_Admin_Bar is initialized.
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*
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* @since 3.1.0
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*/
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do_action( 'admin_bar_init' );
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}
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/**
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* Adds a node (menu item) to the admin bar menu.
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*
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* @since 3.3.0
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*
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* @param array $node The attributes that define the node.
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*/
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public function add_menu( $node ) {
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$this->add_node( $node );
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}
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/**
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* Removes a node from the admin bar.
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*
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* @since 3.1.0
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*
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* @param string $id The menu slug to remove.
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*/
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public function remove_menu( $id ) {
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$this->remove_node( $id );
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}
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/**
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* Adds a node to the menu.
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*
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* @since 3.1.0
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* @since 4.5.0 Added the ability to pass 'lang' and 'dir' meta data.
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* @since 6.5.0 Added the ability to pass 'menu_title' for an ARIA menu name.
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*
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* @param array $args {
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* Arguments for adding a node.
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*
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* @type string $id ID of the item.
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* @type string $title Title of the node.
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* @type string $parent Optional. ID of the parent node.
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* @type string $href Optional. Link for the item.
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* @type bool $group Optional. Whether or not the node is a group. Default false.
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* @type array $meta Meta data including the following keys: 'html', 'class', 'rel', 'lang', 'dir',
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* 'onclick', 'target', 'title', 'tabindex', 'menu_title'. Default empty.
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* }
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*/
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public function add_node( $args ) {
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// Shim for old method signature: add_node( $parent_id, $menu_obj, $args ).
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if ( func_num_args() >= 3 && is_string( $args ) ) {
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$args = array_merge( array( 'parent' => $args ), func_get_arg( 2 ) );
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}
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if ( is_object( $args ) ) {
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$args = get_object_vars( $args );
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}
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// Ensure we have a valid title.
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if ( empty( $args['id'] ) ) {
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if ( empty( $args['title'] ) ) {
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return;
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}
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_doing_it_wrong( __METHOD__, __( 'The menu ID should not be empty.' ), '3.3.0' );
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// Deprecated: Generate an ID from the title.
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$args['id'] = esc_attr( sanitize_title( trim( $args['title'] ) ) );
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}
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$defaults = array(
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'id' => false,
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'title' => false,
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'parent' => false,
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'href' => false,
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'group' => false,
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'meta' => array(),
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);
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// If the node already exists, keep any data that isn't provided.
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$maybe_defaults = $this->get_node( $args['id'] );
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if ( $maybe_defaults ) {
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$defaults = get_object_vars( $maybe_defaults );
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}
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// Do the same for 'meta' items.
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if ( ! empty( $defaults['meta'] ) && ! empty( $args['meta'] ) ) {
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$args['meta'] = wp_parse_args( $args['meta'], $defaults['meta'] );
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}
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$args = wp_parse_args( $args, $defaults );
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$back_compat_parents = array(
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'my-account-with-avatar' => array( 'my-account', '3.3' ),
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'my-blogs' => array( 'my-sites', '3.3' ),
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);
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if ( isset( $back_compat_parents[ $args['parent'] ] ) ) {
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list( $new_parent, $version ) = $back_compat_parents[ $args['parent'] ];
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_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'], $args['parent'] ) );
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$args['parent'] = $new_parent;
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}
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$this->_set_node( $args );
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}
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/**
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* @since 3.3.0
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*
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* @param array $args
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*/
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final protected function _set_node( $args ) {
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$this->nodes[ $args['id'] ] = (object) $args;
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}
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/**
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* Gets a node.
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*
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* @since 3.3.0
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*
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* @param string $id
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* @return object|void Node.
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*/
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final public function get_node( $id ) {
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$node = $this->_get_node( $id );
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if ( $node ) {
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return clone $node;
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}
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}
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/**
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* @since 3.3.0
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*
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* @param string $id
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* @return object|void
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*/
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final protected function _get_node( $id ) {
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if ( $this->bound ) {
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return;
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}
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if ( empty( $id ) ) {
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$id = 'root';
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}
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if ( isset( $this->nodes[ $id ] ) ) {
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return $this->nodes[ $id ];
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}
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}
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/**
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* @since 3.3.0
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*
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* @return array|void
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*/
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final public function get_nodes() {
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$nodes = $this->_get_nodes();
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if ( ! $nodes ) {
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return;
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}
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foreach ( $nodes as &$node ) {
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$node = clone $node;
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}
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return $nodes;
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}
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/**
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* @since 3.3.0
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*
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* @return array|void
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*/
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final protected function _get_nodes() {
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if ( $this->bound ) {
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return;
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}
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return $this->nodes;
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}
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/**
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* Adds a group to a toolbar menu node.
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*
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* Groups can be used to organize toolbar items into distinct sections of a toolbar menu.
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*
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* @since 3.3.0
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*
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* @param array $args {
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* Array of arguments for adding a group.
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*
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* @type string $id ID of the item.
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* @type string $parent Optional. ID of the parent node. Default 'root'.
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* @type array $meta Meta data for the group including the following keys:
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* 'class', 'onclick', 'target', and 'title'.
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* }
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*/
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final public function add_group( $args ) {
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$args['group'] = true;
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$this->add_node( $args );
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}
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/**
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* Remove a node.
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*
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* @since 3.1.0
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*
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* @param string $id The ID of the item.
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*/
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public function remove_node( $id ) {
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$this->_unset_node( $id );
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}
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/**
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* @since 3.3.0
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*
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* @param string $id
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*/
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final protected function _unset_node( $id ) {
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unset( $this->nodes[ $id ] );
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}
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/**
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* @since 3.1.0
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*/
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public function render() {
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$root = $this->_bind();
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if ( $root ) {
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$this->_render( $root );
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}
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}
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/**
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* @since 3.3.0
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*
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* @return object|void
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*/
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final protected function _bind() {
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if ( $this->bound ) {
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return;
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}
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/*
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* Add the root node.
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* Clear it first, just in case. Don't mess with The Root.
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*/
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$this->remove_node( 'root' );
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$this->add_node(
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array(
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'id' => 'root',
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'group' => false,
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)
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);
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// Normalize nodes: define internal 'children' and 'type' properties.
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foreach ( $this->_get_nodes() as $node ) {
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$node->children = array();
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$node->type = ( $node->group ) ? 'group' : 'item';
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unset( $node->group );
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// The Root wants your orphans. No lonely items allowed.
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if ( ! $node->parent ) {
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$node->parent = 'root';
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}
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}
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foreach ( $this->_get_nodes() as $node ) {
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if ( 'root' === $node->id ) {
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continue;
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}
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// Fetch the parent node. If it isn't registered, ignore the node.
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$parent = $this->_get_node( $node->parent );
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if ( ! $parent ) {
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continue;
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}
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// Generate the group class (we distinguish between top level and other level groups).
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$group_class = ( 'root' === $node->parent ) ? 'ab-top-menu' : 'ab-submenu';
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if ( 'group' === $node->type ) {
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if ( empty( $node->meta['class'] ) ) {
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$node->meta['class'] = $group_class;
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} else {
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$node->meta['class'] .= ' ' . $group_class;
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}
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}
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// Items in items aren't allowed. Wrap nested items in 'default' groups.
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if ( 'item' === $parent->type && 'item' === $node->type ) {
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$default_id = $parent->id . '-default';
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$default = $this->_get_node( $default_id );
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/*
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* The default group is added here to allow groups that are
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* added before standard menu items to render first.
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*/
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if ( ! $default ) {
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/*
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* Use _set_node because add_node can be overloaded.
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* Make sure to specify default settings for all properties.
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*/
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$this->_set_node(
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array(
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'id' => $default_id,
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'parent' => $parent->id,
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'type' => 'group',
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'children' => array(),
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'meta' => array(
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'class' => $group_class,
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),
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'title' => false,
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'href' => false,
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)
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);
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$default = $this->_get_node( $default_id );
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$parent->children[] = $default;
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}
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$parent = $default;
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/*
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* Groups in groups aren't allowed. Add a special 'container' node.
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* The container will invisibly wrap both groups.
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*/
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} elseif ( 'group' === $parent->type && 'group' === $node->type ) {
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$container_id = $parent->id . '-container';
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$container = $this->_get_node( $container_id );
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// We need to create a container for this group, life is sad.
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if ( ! $container ) {
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/*
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* Use _set_node because add_node can be overloaded.
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* Make sure to specify default settings for all properties.
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*/
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$this->_set_node(
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array(
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'id' => $container_id,
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'type' => 'container',
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'children' => array( $parent ),
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'parent' => false,
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'title' => false,
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'href' => false,
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'meta' => array(),
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)
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);
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$container = $this->_get_node( $container_id );
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// Link the container node if a grandparent node exists.
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$grandparent = $this->_get_node( $parent->parent );
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if ( $grandparent ) {
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$container->parent = $grandparent->id;
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$index = array_search( $parent, $grandparent->children, true );
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if ( false === $index ) {
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$grandparent->children[] = $container;
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} else {
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array_splice( $grandparent->children, $index, 1, array( $container ) );
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}
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}
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$parent->parent = $container->id;
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}
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$parent = $container;
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}
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// Update the parent ID (it might have changed).
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$node->parent = $parent->id;
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// Add the node to the tree.
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$parent->children[] = $node;
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}
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$root = $this->_get_node( 'root' );
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$this->bound = true;
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return $root;
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}
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/**
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* @since 3.3.0
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*
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* @param object $root
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*/
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final protected function _render( $root ) {
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/*
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* Add browser classes.
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* We have to do this here since admin bar shows on the front end.
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*/
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$class = 'nojq nojs';
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if ( wp_is_mobile() ) {
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$class .= ' mobile';
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}
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?>
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<div id="wpadminbar" class="<?php echo $class; ?>">
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<?php if ( ! is_admin() && ! did_action( 'wp_body_open' ) ) { ?>
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<a class="screen-reader-shortcut" href="#wp-toolbar" tabindex="1"><?php _e( 'Skip to toolbar' ); ?></a>
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<?php } ?>
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<div class="quicklinks" id="wp-toolbar" role="navigation" aria-label="<?php esc_attr_e( 'Toolbar' ); ?>">
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<?php
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foreach ( $root->children as $group ) {
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$this->_render_group( $group );
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}
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?>
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</div>
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</div>
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<?php
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}
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/**
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* @since 3.3.0
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*
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* @param object $node
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*/
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final protected function _render_container( $node ) {
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if ( 'container' !== $node->type || empty( $node->children ) ) {
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return;
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}
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echo '<div id="' . esc_attr( 'wp-admin-bar-' . $node->id ) . '" class="ab-group-container">';
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foreach ( $node->children as $group ) {
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$this->_render_group( $group );
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}
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echo '</div>';
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}
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/**
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* @since 3.3.0
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* @since 6.5.0 Added `$menu_title` parameter to allow an ARIA menu name.
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*
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* @param object $node
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* @param string|bool $menu_title The accessible name of this ARIA menu or false if not provided.
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*/
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final protected function _render_group( $node, $menu_title = false ) {
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if ( 'container' === $node->type ) {
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$this->_render_container( $node );
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return;
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}
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if ( 'group' !== $node->type || empty( $node->children ) ) {
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return;
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}
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if ( ! empty( $node->meta['class'] ) ) {
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$class = ' class="' . esc_attr( trim( $node->meta['class'] ) ) . '"';
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} else {
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$class = '';
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}
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if ( empty( $menu_title ) ) {
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echo "<ul role='menu' id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$class>";
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} else {
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echo "<ul role='menu' aria-label='" . esc_attr( $menu_title ) . "' id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$class>";
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}
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foreach ( $node->children as $item ) {
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$this->_render_item( $item );
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}
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echo '</ul>';
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}
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/**
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* @since 3.3.0
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*
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* @param object $node
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*/
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final protected function _render_item( $node ) {
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if ( 'item' !== $node->type ) {
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return;
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}
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$is_parent = ! empty( $node->children );
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$has_link = ! empty( $node->href );
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$is_root_top_item = 'root-default' === $node->parent;
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$is_top_secondary_item = 'top-secondary' === $node->parent;
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// 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 . '"' : '';
|
|
$aria_attributes .= ' role="menuitem"';
|
|
|
|
$menuclass = '';
|
|
$arrow = '';
|
|
|
|
if ( $is_parent ) {
|
|
$menuclass = 'menupop ';
|
|
$aria_attributes .= ' aria-expanded="false"';
|
|
}
|
|
|
|
if ( ! empty( $node->meta['class'] ) ) {
|
|
$menuclass .= $node->meta['class'];
|
|
}
|
|
|
|
// Print the arrow icon for the menu children with children.
|
|
if ( ! $is_root_top_item && ! $is_top_secondary_item && $is_parent ) {
|
|
$arrow = '<span class="wp-admin-bar-arrow" aria-hidden="true"></span>';
|
|
}
|
|
|
|
if ( $menuclass ) {
|
|
$menuclass = ' class="' . esc_attr( trim( $menuclass ) ) . '"';
|
|
}
|
|
|
|
echo "<li id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$menuclass>";
|
|
|
|
if ( $has_link ) {
|
|
$attributes = array( 'onclick', 'target', 'title', 'rel', 'lang', 'dir' );
|
|
echo "<a class='ab-item'$aria_attributes href='" . esc_url( $node->href ) . "'";
|
|
} else {
|
|
$attributes = array( 'onclick', 'target', 'title', 'rel', 'lang', 'dir' );
|
|
echo '<div class="ab-item ab-empty-item"' . $aria_attributes;
|
|
}
|
|
|
|
foreach ( $attributes as $attribute ) {
|
|
if ( empty( $node->meta[ $attribute ] ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( 'onclick' === $attribute ) {
|
|
echo " $attribute='" . esc_js( $node->meta[ $attribute ] ) . "'";
|
|
} else {
|
|
echo " $attribute='" . esc_attr( $node->meta[ $attribute ] ) . "'";
|
|
}
|
|
}
|
|
|
|
echo ">{$arrow}{$node->title}";
|
|
|
|
if ( $has_link ) {
|
|
echo '</a>';
|
|
} else {
|
|
echo '</div>';
|
|
}
|
|
|
|
if ( $is_parent ) {
|
|
echo '<div class="ab-sub-wrapper">';
|
|
foreach ( $node->children as $group ) {
|
|
if ( empty( $node->meta['menu_title'] ) ) {
|
|
$this->_render_group( $group, false );
|
|
} else {
|
|
$this->_render_group( $group, $node->meta['menu_title'] );
|
|
}
|
|
}
|
|
echo '</div>';
|
|
}
|
|
|
|
if ( ! empty( $node->meta['html'] ) ) {
|
|
echo $node->meta['html'];
|
|
}
|
|
|
|
echo '</li>';
|
|
}
|
|
|
|
/**
|
|
* 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 );
|
|
}
|
|
|
|
/**
|
|
* Adds menus to the admin bar.
|
|
*
|
|
* @since 3.1.0
|
|
*/
|
|
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 );
|
|
add_action( 'admin_bar_menu', 'wp_admin_bar_recovery_mode_menu', 8 );
|
|
|
|
// 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_edit_site_menu', 40 );
|
|
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' );
|
|
}
|
|
}
|