plugin = $plugin; add_action( 'add_meta_boxes_post', array($this,'add_meta_box') ); add_action( 'save_post', array($this,'save'), 10, 2 ); } function add_meta_box() { add_meta_box( 'additional-authors-meta-box', __( 'Additional Authors', 'additional_authors' ), array($this,'additional_authors_html'), 'post', 'side', 'high' ); } function additional_authors_html( $post ) { wp_nonce_field( '_additional_authors_nonce', 'additional_authors_nonce' ); wp_enqueue_style("additional_authors_meta_box_style", $this->plugin->url."/css/meta-box.css"); wp_enqueue_script("additional_authors_meta_box_script", $this->plugin->url."/js/bundle/main.js",array(),1, true); /** * get selected users */ $selected=array(); $selected[]=$post->post_author; $additional = get_post_custom_values( Plugin::META_POST_ADDITIONAL_AUTHORS, $post->ID ); $additional = ($additional != null)? array_unique($additional) : array(); if(is_array($additional)) { $selected = array_merge( $selected, $additional ); } /** * get all users * // TODO: async request because of too many users better */ $users = get_users( array( 'who' => 'authors', 'orderby' => 'display_name', 'fields' => array( 'ID', 'display_name', 'user_login', 'user_nicename' ), ) ); $config = array( "users" => $users, "selected" => $selected, "language" => array( "label" => __('Search for author:'), "description" => __('Selected authors.'), ), "root_id" => "meta_additional_authors", ); wp_localize_script('additional_authors_meta_box_script', 'AdditionalAuthors', $config); ?>

$additional_author ) { /** * skip first because it is main author and saved on post */ if($index == 0) continue; if(intval($additional_author) <= 0){ $name = $_POST[self::POST_AUTORS]["names"][$index]; $additional_author = $this->plugin->user->create($name); if(is_wp_error($additional_author)){ // TODO: error display } } add_post_meta( $post_id, Plugin::META_POST_ADDITIONAL_AUTHORS, $additional_author ); } } else { // something else called wp_update_post $user_ids = $this->plugin->get_ids($post_id); for($i = 1; $i < count($user_ids); $i++){ if($post->post_author == $user_ids[$i]){ // additional author is now main author delete_post_meta($post_id,Plugin::META_POST_ADDITIONAL_AUTHORS, $post->post_author); break; } } } } }