File Content: meta-box-show-hide.php <?php /** * Plugin Name: Meta Box Show Hide * Plugin URI: https://metabox.io/plugins/meta-box-show-hide/ * Description: Easily show/hide meta boxes by various conditions using JavaScript. * Version: 1.3.0 * Author: MetaBox.io * Author URI: https://metabox.io * License: GPL2+ * * @package Meta Box * @subpackage Meta Box Show Hide */ defined( 'ABSPATH' ) || exit; if ( ! class_exists( 'MB_Show_Hide' ) ) { /** * This class controls toggling meta boxes via JS * All meta boxes are included, but the job of showing/hiding them are handled via JS */ class MB_Show_Hide { /** * Add hooks when class is loaded */ public function __construct() { add_action( 'rwmb_before', array( $this, 'js_data' ) ); add_action( 'rwmb_enqueue_scripts', array( $this, 'enqueue' ) ); } /** * Output data for Javascript in data-show, data-hide attributes * Data is output as a .mb-show-hide inside the meta box * JS will read this data and process * * @param RW_Meta_Box $obj The meta box object. */ public function js_data( RW_Meta_Box $obj ) { $meta_box = $obj->meta_box; $conditions = array( 'show', 'hide' ); $data = ''; foreach ( $conditions as $condition ) { if ( empty( $meta_box[ $condition ] ) ) { continue; } // Remove empty rules. $rules = array_filter( $meta_box[ $condition ] ); $this->normalize_template_rule( $rules ); if ( 1 === count( $rules ) && isset( $rules['relation'] ) ) { continue; } $data .= ' data-' . $condition . '="' . esc_attr( wp_json_encode( $rules ) ) . '"'; } if ( $data ) { // Use <script> tag to prevent browser render, thus improves performance. echo '<script type="text/html" class="mb-show-hide"' . $data . '></script>'; } } /** * Enqueue plugin scripts */ public function enqueue() { list( , $url ) = RWMB_Loader::get_path( dirname( __FILE__ ) ); wp_enqueue_script( 'mb-show-hide', $url . 'show-hide.js', array( 'jquery', 'underscore' ), '1.0.2', true ); } public function get_post_id() { $post_id = null; if ( isset( $_GET['post'] ) ) { $post_id = intval( $_GET['post'] ); } elseif ( isset( $_POST['post_ID'] ) ) { $post_id = intval( $_POST['post_ID'] ); } return $post_id; } public function get_template( $post_id ) { return get_post_meta( $post_id, '_wp_page_template', true ); } public function normalize_template_rule( &$rules ) { if ( ! isset( $rules['template'] ) ) { return; } $post_type = get_post_type( get_the_ID() ); $tem = array(); foreach ( $rules['template'] as $template ) { $tem[] = str_replace( $post_type . ':', '', $template ); } $rules['template'] = $tem; } } new MB_Show_Hide(); } Submit