<?php
class RWMB_Core {
public function init() {
add_action( 'init', [ $this, 'load_textdomain' ] );
add_filter( 'plugin_action_links_meta-box/meta-box.php', [ $this, 'plugin_links' ], 20 );
// Uses priority 20 to support custom port types registered using the default priority.
add_action( 'init', [ $this, 'register_meta_boxes' ], 20 );
add_action( 'edit_page_form', [ $this, 'fix_page_template' ] );
$this->add_context_hooks();
}
public function load_textdomain() {
unload_textdomain( 'meta-box' );
load_plugin_textdomain( 'meta-box', false, plugin_basename( RWMB_DIR ) . '/languages/' );
}
public function plugin_links( array $links ) : array {
$links[] = '<a href="https://docs.metabox.io">' . esc_html__( 'Docs', 'meta-box' ) . '</a>';
return $links;
}
public function register_meta_boxes() {
$configs = apply_filters( 'rwmb_meta_boxes', [] );
$registry = rwmb_get_registry( 'meta_box' );
foreach ( $configs as $config ) {
if ( ! is_array( $config ) || empty( $config ) ) {
continue;
}
$meta_box = $registry->make( $config );
$meta_box->register_fields();
}
}
/**
* WordPress will prevent post data saving if a page template has been selected that does not exist.
* This is especially a problem when switching themes, and old page templates are in the post data.
* Unset the page template if the page does not exist to allow the post to save.
*/
public function fix_page_template( WP_Post $post ) {
$template = get_post_meta( $post->ID, '_wp_page_template', true );
$page_templates = wp_get_theme()->get_page_templates();
// If the template doesn't exists, remove the data to allow WordPress to save.
if ( ! isset( $page_templates[ $template ] ) ) {
delete_post_meta( $post->ID, '_wp_page_template' );
}
}
/**
* Get registered meta boxes via a filter.
* @deprecated No longer used. Keep for backward-compatibility with extensions.
*/
public static function get_meta_boxes() : array {
$meta_boxes = rwmb_get_registry( 'meta_box' )->all();
return wp_list_pluck( $meta_boxes, 'meta_box' );
}
public function add_context_hooks() {
$hooks = [
'edit_form_top',
'edit_form_after_title',
'edit_form_after_editor',
'edit_form_before_permalink',
];
foreach ( $hooks as $hook ) {
add_action( $hook, [ $this, 'render_meta_boxes_for_context' ] );
}
}
public function render_meta_boxes_for_context( $post ) {
$hook = current_filter();
$context = 'edit_form_top' === $hook ? 'form_top' : substr( $hook, 10 );
do_meta_boxes( null, $context, $post );
}
}