474 lines
14 KiB
PHP
474 lines
14 KiB
PHP
<?php
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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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public function __get( $name ) {
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switch ( $name ) {
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case 'proto' :
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return is_ssl() ? 'https://' : 'http://';
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break;
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case 'menu' :
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_deprecated_argument( 'WP_Admin_Bar', '3.3', 'Modify admin bar nodes with WP_Admin_Bar::get_node(), WP_Admin_Bar::add_node(), and WP_Admin_Bar::remove_node(), not the <code>menu</code> property.' );
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return array(); // Sorry, folks.
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break;
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}
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}
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public function initialize() {
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$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 = $this->user->domain;
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}
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}
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add_action( 'wp_head', 'wp_admin_bar_header' );
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add_action( 'admin_head', 'wp_admin_bar_header' );
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if ( current_theme_supports( 'admin-bar' ) ) {
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$admin_bar_args = get_theme_support( 'admin-bar' ); // add_theme_support( 'admin-bar', array( 'callback' => '__return_false') );
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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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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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do_action( 'admin_bar_init' );
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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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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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* Add a node to the menu.
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*
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* @param array $args - The arguments for each node.
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* - id - string - The ID of the item.
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* - title - string - The title of the node.
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* - parent - string - The ID of the parent node. Optional.
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* - href - string - The link for the item. Optional.
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* - group - boolean - If the node is a group. Optional. Default false.
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* - meta - array - Meta data including the following keys: html, class, onclick, target, title, tabindex.
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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, $args )
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if ( func_num_args() >= 3 && is_string( func_get_arg(0) ) )
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$args = array_merge( array( 'parent' => func_get_arg(0) ), func_get_arg(2) );
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if ( is_object( $args ) )
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$args = get_object_vars( $args );
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// Ensure we have a valid title.
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if ( empty( $args['id'] ) ) {
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if ( empty( $args['title'] ) )
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return;
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_doing_it_wrong( __METHOD__, __( 'The menu ID should not be empty.' ), '3.3' );
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// Deprecated: Generate an ID from the title.
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$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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if ( $maybe_defaults = $this->get_node( $args['id'] ) )
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$defaults = get_object_vars( $maybe_defaults );
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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'], $defaults['meta'] );
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$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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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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* @return object Node.
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*/
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final public function get_node( $id ) {
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if ( $node = $this->_get_node( $id ) )
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return clone $node;
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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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if ( empty( $id ) )
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$id = 'root';
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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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final public function get_nodes() {
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if ( ! $nodes = $this->_get_nodes() )
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return;
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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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final protected function _get_nodes() {
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if ( $this->bound )
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return;
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return $this->nodes;
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}
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/**
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* Add a group to a menu node.
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*
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* @since 3.3.0
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*
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* @param array $args - The arguments for each node.
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* - id - string - The ID of the item.
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* - parent - string - The ID of the parent node. Optional. Default root.
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* - meta - array - Meta data including the following keys: class, onclick, target, title.
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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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* @return object The removed node.
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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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final protected function _unset_node( $id ) {
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unset( $this->nodes[ $id ] );
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}
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public function render() {
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$root = $this->_bind();
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if ( $root )
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$this->_render( $root );
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}
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final protected function _bind() {
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if ( $this->bound )
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return;
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// Add the root node.
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// Clear it first, just in case. Don't mess with The Root.
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$this->remove_node( 'root' );
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$this->add_node( array(
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'id' => 'root',
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'group' => false,
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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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foreach ( $this->_get_nodes() as $node ) {
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if ( 'root' == $node->id )
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continue;
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// Fetch the parent node. If it isn't registered, ignore the node.
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if ( ! $parent = $this->_get_node( $node->parent ) ) {
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continue;
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}
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// Generate the group class (we distinguish between top level and other level groups).
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$group_class = ( $node->parent == 'root' ) ? 'ab-top-menu' : 'ab-submenu';
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if ( $node->type == 'group' ) {
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if ( empty( $node->meta['class'] ) )
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$node->meta['class'] = '';
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$node->meta['class'] .= ' ' . $group_class;
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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 ( $parent->type == 'item' && $node->type == 'item' ) {
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$default_id = $parent->id . '-default';
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$default = $this->_get_node( $default_id );
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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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if ( ! $default ) {
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// Use _set_node because add_node can be overloaded.
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// Make sure to specify default settings for all properties.
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$this->_set_node( 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' => $group_class,
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),
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'title' => false,
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'href' => false,
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) );
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$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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// 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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} elseif ( $parent->type == 'group' && $node->type == 'group' ) {
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$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 ( ! $container ) {
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// Use _set_node because add_node can be overloaded.
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// Make sure to specify default settings for all properties.
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$this->_set_node( array(
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'id' => $container_id,
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'type' => 'container',
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'children' => array( $parent ),
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'parent' => false,
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'title' => false,
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'href' => false,
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'meta' => array(),
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) );
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$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 ( $index === false )
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$grandparent->children[] = $container;
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else
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array_splice( $grandparent->children, $index, 1, array( $container ) );
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}
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$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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final protected function _render( $root ) {
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global $is_IE;
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// Add browser classes.
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// We have to do this here since admin bar shows on the front end.
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$class = 'nojq nojs';
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if ( $is_IE ) {
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if ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 7' ) )
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$class .= ' ie7';
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elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 8' ) )
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$class .= ' ie8';
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elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 9' ) )
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$class .= ' ie9';
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} elseif ( 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; ?>" role="navigation">
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<div class="quicklinks">
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<?php foreach ( $root->children as $group ) {
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$this->_render_group( $group );
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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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final protected function _render_container( $node ) {
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if ( $node->type != 'container' || empty( $node->children ) )
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return;
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?><div id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>" class="ab-group-container"><?php
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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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?></div><?php
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}
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final protected function _render_group( $node ) {
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if ( $node->type == 'container' )
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return $this->_render_container( $node );
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if ( $node->type != 'group' || empty( $node->children ) )
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return;
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$class = empty( $node->meta['class'] ) ? '' : $node->meta['class'];
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?><ul id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>" class="<?php echo esc_attr( $class ); ?>"><?php
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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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?></ul><?php
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}
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final protected function _render_item( $node ) {
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if ( $node->type != 'item' )
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return;
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$is_parent = ! empty( $node->children );
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$has_link = ! empty( $node->href );
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$tabindex = isset( $node->meta['tabindex'] ) ? (int) $node->meta['tabindex'] : 10;
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$menuclass = '';
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$aria_attributes = 'tabindex="' . $tabindex . '"';
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if ( $is_parent ) {
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$menuclass = 'menupop';
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$aria_attributes .= ' aria-haspopup="true"';
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}
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if ( ! empty( $node->meta['class'] ) )
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$menuclass .= ' ' . $node->meta['class'];
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?>
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<li id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>" class="<?php echo esc_attr( $menuclass ); ?>"><?php
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if ( $has_link ):
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?><a class="ab-item" <?php echo $aria_attributes; ?> href="<?php echo esc_url( $node->href ) ?>"<?php
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if ( ! empty( $node->meta['onclick'] ) ) :
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?> onclick="<?php echo esc_js( $node->meta['onclick'] ); ?>"<?php
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endif;
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if ( ! empty( $node->meta['target'] ) ) :
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?> target="<?php echo esc_attr( $node->meta['target'] ); ?>"<?php
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endif;
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if ( ! empty( $node->meta['title'] ) ) :
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?> title="<?php echo esc_attr( $node->meta['title'] ); ?>"<?php
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endif;
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?>><?php
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else:
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?><div class="ab-item ab-empty-item" <?php echo $aria_attributes;
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if ( ! empty( $node->meta['title'] ) ) :
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?> title="<?php echo esc_attr( $node->meta['title'] ); ?>"<?php
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endif;
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?>><?php
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endif;
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echo $node->title;
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if ( $has_link ) :
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?></a><?php
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else:
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?></div><?php
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endif;
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if ( $is_parent ) :
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?><div class="ab-sub-wrapper"><?php
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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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?></div><?php
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endif;
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if ( ! empty( $node->meta['html'] ) )
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echo $node->meta['html'];
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?>
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</li><?php
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}
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public function recursive_render( $id, $node ) {
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_deprecated_function( __METHOD__, '3.3', 'WP_Admin_bar::render(), WP_Admin_Bar::_render_item()' );
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$this->_render_item( $node );
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}
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public function add_menus() {
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// User related, aligned right.
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add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_menu', 0 );
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add_action( 'admin_bar_menu', 'wp_admin_bar_search_menu', 4 );
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add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_item', 7 );
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// Site related.
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add_action( 'admin_bar_menu', 'wp_admin_bar_wp_menu', 10 );
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add_action( 'admin_bar_menu', 'wp_admin_bar_my_sites_menu', 20 );
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add_action( 'admin_bar_menu', 'wp_admin_bar_site_menu', 30 );
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add_action( 'admin_bar_menu', 'wp_admin_bar_updates_menu', 40 );
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// Content related.
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if ( ! is_network_admin() && ! is_user_admin() ) {
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add_action( 'admin_bar_menu', 'wp_admin_bar_comments_menu', 60 );
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add_action( 'admin_bar_menu', 'wp_admin_bar_new_content_menu', 70 );
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}
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add_action( 'admin_bar_menu', 'wp_admin_bar_edit_menu', 80 );
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add_action( 'admin_bar_menu', 'wp_admin_bar_add_secondary_groups', 200 );
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do_action( 'add_admin_bar_menus' );
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}
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}
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