978 lines
34 KiB
PHP
978 lines
34 KiB
PHP
<?php
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/**
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* Classic Editor
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*
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* Plugin Name: Classic Editor
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* Plugin URI: https://wordpress.org/plugins/classic-editor/
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* Description: Enables the WordPress classic editor and the old-style Edit Post screen with TinyMCE, Meta Boxes, etc. Supports the older plugins that extend this screen.
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* Version: 1.6.3
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* Author: WordPress Contributors
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* Author URI: https://github.com/WordPress/classic-editor/
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* License: GPLv2 or later
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* License URI: http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* Text Domain: classic-editor
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* Domain Path: /languages
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* Requires at least: 4.9
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* Requires PHP: 5.2.4
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the GNU
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* General Public License version 2, as published by the Free Software Foundation. You may NOT assume
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* that you can use any other version of the GPL.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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die( 'Invalid request.' );
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}
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if ( ! class_exists( 'Classic_Editor' ) ) :
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class Classic_Editor {
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private static $settings;
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private static $supported_post_types = array();
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private function __construct() {}
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public static function init_actions() {
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$block_editor = has_action( 'enqueue_block_assets' );
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$gutenberg = function_exists( 'gutenberg_register_scripts_and_styles' );
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register_activation_hook( __FILE__, array( __CLASS__, 'activate' ) );
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$settings = self::get_settings();
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if ( is_multisite() ) {
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add_action( 'wpmu_options', array( __CLASS__, 'network_settings' ) );
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add_action( 'update_wpmu_options', array( __CLASS__, 'save_network_settings' ) );
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}
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if ( ! $settings['hide-settings-ui'] ) {
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// Add a link to the plugin's settings and/or network admin settings in the plugins list table.
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add_filter( 'plugin_action_links', array( __CLASS__, 'add_settings_link' ), 10, 2 );
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add_filter( 'network_admin_plugin_action_links', array( __CLASS__, 'add_settings_link' ), 10, 2 );
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add_action( 'admin_init', array( __CLASS__, 'register_settings' ) );
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if ( $settings['allow-users'] ) {
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// User settings.
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add_action( 'personal_options_update', array( __CLASS__, 'save_user_settings' ) );
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add_action( 'profile_personal_options', array( __CLASS__, 'user_settings' ) );
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}
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}
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// Always remove the "Try Gutenberg" dashboard widget. See https://core.trac.wordpress.org/ticket/44635.
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remove_action( 'try_gutenberg_panel', 'wp_try_gutenberg_panel' );
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if ( ! $block_editor && ! $gutenberg ) {
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return;
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}
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if ( $settings['allow-users'] ) {
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// Also used in Gutenberg.
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add_filter( 'use_block_editor_for_post', array( __CLASS__, 'choose_editor' ), 100, 2 );
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if ( $gutenberg ) {
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// Support older Gutenberg versions.
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add_filter( 'gutenberg_can_edit_post', array( __CLASS__, 'choose_editor' ), 100, 2 );
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if ( $settings['editor'] === 'classic' ) {
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self::remove_gutenberg_hooks( 'some' );
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}
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}
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add_filter( 'get_edit_post_link', array( __CLASS__, 'get_edit_post_link' ) );
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add_filter( 'redirect_post_location', array( __CLASS__, 'redirect_location' ) );
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add_action( 'edit_form_top', array( __CLASS__, 'add_redirect_helper' ) );
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add_action( 'admin_head-edit.php', array( __CLASS__, 'add_edit_php_inline_style' ) );
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add_action( 'edit_form_top', array( __CLASS__, 'remember_classic_editor' ) );
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if ( version_compare( $GLOBALS['wp_version'], '5.8', '>=' ) ) {
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add_filter( 'block_editor_settings_all', array( __CLASS__, 'remember_block_editor' ), 10, 2 );
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} else {
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add_filter( 'block_editor_settings', array( __CLASS__, 'remember_block_editor' ), 10, 2 );
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}
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// Post state (edit.php)
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add_filter( 'display_post_states', array( __CLASS__, 'add_post_state' ), 10, 2 );
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// Row actions (edit.php)
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add_filter( 'page_row_actions', array( __CLASS__, 'add_edit_links' ), 15, 2 );
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add_filter( 'post_row_actions', array( __CLASS__, 'add_edit_links' ), 15, 2 );
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// Switch editors while editing a post
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add_action( 'add_meta_boxes', array( __CLASS__, 'add_meta_box' ), 10, 2 );
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add_action( 'enqueue_block_editor_assets', array( __CLASS__, 'enqueue_block_editor_scripts' ) );
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} else {
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if ( $settings['editor'] === 'classic' ) {
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// Also used in Gutenberg.
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// Consider disabling other Block Editor functionality.
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add_filter( 'use_block_editor_for_post_type', '__return_false', 100 );
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if ( $gutenberg ) {
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// Support older Gutenberg versions.
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add_filter( 'gutenberg_can_edit_post_type', '__return_false', 100 );
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self::remove_gutenberg_hooks();
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}
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} else {
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// $settings['editor'] === 'block', nothing to do :)
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return;
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}
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}
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if ( $block_editor ) {
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// Move the Privacy Page notice back under the title.
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add_action( 'admin_init', array( __CLASS__, 'on_admin_init' ) );
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}
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if ( $gutenberg ) {
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// These are handled by this plugin. All are older, not used in 5.3+.
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remove_action( 'admin_init', 'gutenberg_add_edit_link_filters' );
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remove_action( 'admin_print_scripts-edit.php', 'gutenberg_replace_default_add_new_button' );
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remove_filter( 'redirect_post_location', 'gutenberg_redirect_to_classic_editor_when_saving_posts' );
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remove_filter( 'display_post_states', 'gutenberg_add_gutenberg_post_state' );
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remove_action( 'edit_form_top', 'gutenberg_remember_classic_editor_when_saving_posts' );
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}
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}
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public static function remove_gutenberg_hooks( $remove = 'all' ) {
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remove_action( 'admin_menu', 'gutenberg_menu' );
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remove_action( 'admin_init', 'gutenberg_redirect_demo' );
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if ( $remove !== 'all' ) {
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return;
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}
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// Gutenberg 5.3+
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remove_action( 'wp_enqueue_scripts', 'gutenberg_register_scripts_and_styles' );
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remove_action( 'admin_enqueue_scripts', 'gutenberg_register_scripts_and_styles' );
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remove_action( 'admin_notices', 'gutenberg_wordpress_version_notice' );
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remove_action( 'rest_api_init', 'gutenberg_register_rest_widget_updater_routes' );
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remove_action( 'admin_print_styles', 'gutenberg_block_editor_admin_print_styles' );
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remove_action( 'admin_print_scripts', 'gutenberg_block_editor_admin_print_scripts' );
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remove_action( 'admin_print_footer_scripts', 'gutenberg_block_editor_admin_print_footer_scripts' );
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remove_action( 'admin_footer', 'gutenberg_block_editor_admin_footer' );
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remove_action( 'admin_enqueue_scripts', 'gutenberg_widgets_init' );
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remove_action( 'admin_notices', 'gutenberg_build_files_notice' );
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remove_filter( 'load_script_translation_file', 'gutenberg_override_translation_file' );
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remove_filter( 'block_editor_settings', 'gutenberg_extend_block_editor_styles' );
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remove_filter( 'default_content', 'gutenberg_default_demo_content' );
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remove_filter( 'default_title', 'gutenberg_default_demo_title' );
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remove_filter( 'block_editor_settings', 'gutenberg_legacy_widget_settings' );
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remove_filter( 'rest_request_after_callbacks', 'gutenberg_filter_oembed_result' );
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// Previously used, compat for older Gutenberg versions.
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remove_filter( 'wp_refresh_nonces', 'gutenberg_add_rest_nonce_to_heartbeat_response_headers' );
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remove_filter( 'get_edit_post_link', 'gutenberg_revisions_link_to_editor' );
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remove_filter( 'wp_prepare_revision_for_js', 'gutenberg_revisions_restore' );
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remove_action( 'rest_api_init', 'gutenberg_register_rest_routes' );
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remove_action( 'rest_api_init', 'gutenberg_add_taxonomy_visibility_field' );
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remove_filter( 'registered_post_type', 'gutenberg_register_post_prepare_functions' );
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remove_action( 'do_meta_boxes', 'gutenberg_meta_box_save' );
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remove_action( 'submitpost_box', 'gutenberg_intercept_meta_box_render' );
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remove_action( 'submitpage_box', 'gutenberg_intercept_meta_box_render' );
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remove_action( 'edit_page_form', 'gutenberg_intercept_meta_box_render' );
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remove_action( 'edit_form_advanced', 'gutenberg_intercept_meta_box_render' );
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remove_filter( 'redirect_post_location', 'gutenberg_meta_box_save_redirect' );
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remove_filter( 'filter_gutenberg_meta_boxes', 'gutenberg_filter_meta_boxes' );
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remove_filter( 'body_class', 'gutenberg_add_responsive_body_class' );
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remove_filter( 'admin_url', 'gutenberg_modify_add_new_button_url' ); // old
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remove_action( 'admin_enqueue_scripts', 'gutenberg_check_if_classic_needs_warning_about_blocks' );
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remove_filter( 'register_post_type_args', 'gutenberg_filter_post_type_labels' );
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// phpcs:disable Squiz.PHP.CommentedOutCode.Found
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// Keep
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// remove_filter( 'wp_kses_allowed_html', 'gutenberg_kses_allowedtags', 10, 2 ); // not needed in 5.0
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// remove_filter( 'bulk_actions-edit-wp_block', 'gutenberg_block_bulk_actions' );
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// remove_filter( 'wp_insert_post_data', 'gutenberg_remove_wpcom_markdown_support' );
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// remove_filter( 'the_content', 'do_blocks', 9 );
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// remove_action( 'init', 'gutenberg_register_post_types' );
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// Continue to manage wpautop for posts that were edited in Gutenberg.
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// remove_filter( 'wp_editor_settings', 'gutenberg_disable_editor_settings_wpautop' );
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// remove_filter( 'the_content', 'gutenberg_wpautop', 8 );
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// phpcs:enable Squiz.PHP.CommentedOutCode.Found
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}
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private static function get_settings( $refresh = 'no' ) {
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/**
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* Can be used to override the plugin's settings. Always hides the settings UI when used (as users cannot change the settings).
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*
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* Has to return an associative array with two keys.
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* The defaults are:
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* 'editor' => 'classic', // Accepted values: 'classic', 'block'.
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* 'allow-users' => false,
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*
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* @param boolean To override the settings return an array with the above keys.
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*/
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$settings = apply_filters( 'classic_editor_plugin_settings', false );
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if ( is_array( $settings ) ) {
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return array(
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'editor' => ( isset( $settings['editor'] ) && $settings['editor'] === 'block' ) ? 'block' : 'classic',
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'allow-users' => ! empty( $settings['allow-users'] ),
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'hide-settings-ui' => true,
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);
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}
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if ( ! empty( self::$settings ) && $refresh === 'no' ) {
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return self::$settings;
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}
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if ( is_multisite() ) {
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$defaults = array(
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'editor' => get_network_option( null, 'classic-editor-replace' ) === 'block' ? 'block' : 'classic',
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'allow-users' => false,
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);
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/**
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* Filters the default network options.
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*
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* @param array $defaults The default options array. See `classic_editor_plugin_settings` for supported keys and values.
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*/
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$defaults = apply_filters( 'classic_editor_network_default_settings', $defaults );
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if ( get_network_option( null, 'classic-editor-allow-sites' ) !== 'allow' ) {
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// Per-site settings are disabled. Return default network options nad hide the settings UI.
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$defaults['hide-settings-ui'] = true;
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return $defaults;
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}
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// Override with the site options.
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$editor_option = get_option( 'classic-editor-replace' );
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$allow_users_option = get_option( 'classic-editor-allow-users' );
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if ( $editor_option ) {
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$defaults['editor'] = $editor_option;
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}
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if ( $allow_users_option ) {
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$defaults['allow-users'] = ( $allow_users_option === 'allow' );
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}
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$editor = ( isset( $defaults['editor'] ) && $defaults['editor'] === 'block' ) ? 'block' : 'classic';
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$allow_users = ! empty( $defaults['allow-users'] );
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} else {
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$allow_users = ( get_option( 'classic-editor-allow-users' ) === 'allow' );
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$option = get_option( 'classic-editor-replace' );
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// Normalize old options.
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if ( $option === 'block' || $option === 'no-replace' ) {
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$editor = 'block';
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} else {
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// empty( $option ) || $option === 'classic' || $option === 'replace'
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$editor = 'classic';
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}
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}
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// Override the defaults with the user options.
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if ( ( ! isset( $GLOBALS['pagenow'] ) || $GLOBALS['pagenow'] !== 'options-writing.php' ) && $allow_users ) {
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$user_options = get_user_option( 'classic-editor-settings' );
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if ( $user_options === 'block' || $user_options === 'classic' ) {
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$editor = $user_options;
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}
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}
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self::$settings = array(
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'editor' => $editor,
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'hide-settings-ui' => false,
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'allow-users' => $allow_users,
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);
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return self::$settings;
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}
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private static function is_classic( $post_id = 0 ) {
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if ( ! $post_id ) {
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$post_id = self::get_edited_post_id();
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}
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if ( $post_id ) {
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$settings = self::get_settings();
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if ( $settings['allow-users'] && ! isset( $_GET['classic-editor__forget'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
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$which = get_post_meta( $post_id, 'classic-editor-remember', true );
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if ( $which ) {
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// The editor choice will be "remembered" when the post is opened in either the classic or the block editor.
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if ( 'classic-editor' === $which ) {
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return true;
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} elseif ( 'block-editor' === $which ) {
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return false;
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}
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}
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return ( ! self::has_blocks( $post_id ) );
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}
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}
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if ( isset( $_GET['classic-editor'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
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return true;
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}
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return false;
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}
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/**
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* Get the edited post ID (early) when loading the Edit Post screen.
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*/
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private static function get_edited_post_id() {
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// phpcs:disable WordPress.Security.NonceVerification.Recommended
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if (
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! empty( $_GET['post'] ) &&
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! empty( $_GET['action'] ) &&
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$_GET['action'] === 'edit' &&
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! empty( $GLOBALS['pagenow'] ) &&
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$GLOBALS['pagenow'] === 'post.php'
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) {
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return (int) $_GET['post']; // post_ID
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}
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// phpcs:enable WordPress.Security.NonceVerification.Recommended
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return 0;
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}
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public static function register_settings() {
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// Add an option to Settings -> Writing
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register_setting( 'writing', 'classic-editor-replace', array(
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'sanitize_callback' => array( __CLASS__, 'validate_option_editor' ),
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) );
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register_setting( 'writing', 'classic-editor-allow-users', array(
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'sanitize_callback' => array( __CLASS__, 'validate_option_allow_users' ),
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) );
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$allowed_options = array(
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'writing' => array(
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'classic-editor-replace',
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'classic-editor-allow-users'
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),
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);
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if ( function_exists( 'add_allowed_options' ) ) {
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add_allowed_options( $allowed_options );
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} else {
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add_option_whitelist( $allowed_options );
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}
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$heading_1 = __( 'Default editor for all users', 'classic-editor' );
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$heading_2 = __( 'Allow users to switch editors', 'classic-editor' );
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add_settings_field( 'classic-editor-1', $heading_1, array( __CLASS__, 'settings_1' ), 'writing' );
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add_settings_field( 'classic-editor-2', $heading_2, array( __CLASS__, 'settings_2' ), 'writing' );
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}
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public static function save_user_settings( $user_id ) {
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if (
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isset( $_POST['classic-editor-user-settings'] ) &&
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isset( $_POST['classic-editor-replace'] ) &&
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wp_verify_nonce( $_POST['classic-editor-user-settings'], 'allow-user-settings' ) // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
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) {
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$user_id = (int) $user_id;
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if ( $user_id !== get_current_user_id() && ! current_user_can( 'edit_user', $user_id ) ) {
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return;
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}
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$editor = self::validate_option_editor( $_POST['classic-editor-replace'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
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update_user_option( $user_id, 'classic-editor-settings', $editor );
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}
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}
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/**
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* Validate
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*/
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public static function validate_option_editor( $value ) {
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if ( $value === 'block' ) {
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return 'block';
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}
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return 'classic';
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}
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public static function validate_option_allow_users( $value ) {
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if ( $value === 'allow' ) {
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return 'allow';
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}
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return 'disallow';
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}
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public static function settings_1() {
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$settings = self::get_settings( 'refresh' );
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?>
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<div class="classic-editor-options">
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<p>
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<input type="radio" name="classic-editor-replace" id="classic-editor-classic" value="classic"<?php if ( $settings['editor'] === 'classic' ) echo ' checked'; ?> />
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<label for="classic-editor-classic"><?php _ex( 'Classic editor', 'Editor Name', 'classic-editor' ); ?></label>
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</p>
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<p>
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<input type="radio" name="classic-editor-replace" id="classic-editor-block" value="block"<?php if ( $settings['editor'] !== 'classic' ) echo ' checked'; ?> />
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<label for="classic-editor-block"><?php _ex( 'Block editor', 'Editor Name', 'classic-editor' ); ?></label>
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</p>
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</div>
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<script>
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jQuery( 'document' ).ready( function( $ ) {
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if ( window.location.hash === '#classic-editor-options' ) {
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$( '.classic-editor-options' ).closest( 'td' ).addClass( 'highlight' );
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}
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} );
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</script>
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<?php
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}
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public static function settings_2() {
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$settings = self::get_settings( 'refresh' );
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?>
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<div class="classic-editor-options">
|
|
<p>
|
|
<input type="radio" name="classic-editor-allow-users" id="classic-editor-allow" value="allow"<?php if ( $settings['allow-users'] ) echo ' checked'; ?> />
|
|
<label for="classic-editor-allow"><?php _e( 'Yes', 'classic-editor' ); ?></label>
|
|
</p>
|
|
<p>
|
|
<input type="radio" name="classic-editor-allow-users" id="classic-editor-disallow" value="disallow"<?php if ( ! $settings['allow-users'] ) echo ' checked'; ?> />
|
|
<label for="classic-editor-disallow"><?php _e( 'No', 'classic-editor' ); ?></label>
|
|
</p>
|
|
</div>
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* Shown on the Profile page when allowed by admin.
|
|
*/
|
|
public static function user_settings() {
|
|
global $user_can_edit;
|
|
$settings = self::get_settings( 'update' );
|
|
|
|
if (
|
|
! defined( 'IS_PROFILE_PAGE' ) ||
|
|
! IS_PROFILE_PAGE ||
|
|
! $user_can_edit ||
|
|
! $settings['allow-users']
|
|
) {
|
|
return;
|
|
}
|
|
|
|
?>
|
|
<table class="form-table">
|
|
<tr class="classic-editor-user-options">
|
|
<th scope="row"><?php _e( 'Default Editor', 'classic-editor' ); ?></th>
|
|
<td>
|
|
<?php wp_nonce_field( 'allow-user-settings', 'classic-editor-user-settings' ); ?>
|
|
<?php self::settings_1(); ?>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<script>jQuery( 'tr.user-rich-editing-wrap' ).before( jQuery( 'tr.classic-editor-user-options' ) );</script>
|
|
<?php
|
|
}
|
|
|
|
public static function network_settings() {
|
|
$editor = get_network_option( null, 'classic-editor-replace' );
|
|
$is_checked = ( get_network_option( null, 'classic-editor-allow-sites' ) === 'allow' );
|
|
|
|
?>
|
|
<h2 id="classic-editor-options"><?php _e( 'Editor Settings', 'classic-editor' ); ?></h2>
|
|
<table class="form-table">
|
|
<?php wp_nonce_field( 'allow-site-admin-settings', 'classic-editor-network-settings' ); ?>
|
|
<tr>
|
|
<th scope="row"><?php _e( 'Default editor for all sites', 'classic-editor' ); ?></th>
|
|
<td>
|
|
<p>
|
|
<input type="radio" name="classic-editor-replace" id="classic-editor-classic" value="classic"<?php if ( $editor !== 'block' ) echo ' checked'; ?> />
|
|
<label for="classic-editor-classic"><?php _ex( 'Classic Editor', 'Editor Name', 'classic-editor' ); ?></label>
|
|
</p>
|
|
<p>
|
|
<input type="radio" name="classic-editor-replace" id="classic-editor-block" value="block"<?php if ( $editor === 'block' ) echo ' checked'; ?> />
|
|
<label for="classic-editor-block"><?php _ex( 'Block editor', 'Editor Name', 'classic-editor' ); ?></label>
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<th scope="row"><?php _e( 'Change settings', 'classic-editor' ); ?></th>
|
|
<td>
|
|
<input type="checkbox" name="classic-editor-allow-sites" id="classic-editor-allow-sites" value="allow"<?php if ( $is_checked ) echo ' checked'; ?>>
|
|
<label for="classic-editor-allow-sites"><?php _e( 'Allow site admins to change settings', 'classic-editor' ); ?></label>
|
|
<p class="description"><?php _e( 'By default the block editor is replaced with the classic editor and users cannot switch editors.', 'classic-editor' ); ?></p>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<?php
|
|
}
|
|
|
|
public static function save_network_settings() {
|
|
if (
|
|
isset( $_POST['classic-editor-network-settings'] ) &&
|
|
current_user_can( 'manage_network_options' ) &&
|
|
wp_verify_nonce( $_POST['classic-editor-network-settings'], 'allow-site-admin-settings' ) // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
|
|
) {
|
|
if ( isset( $_POST['classic-editor-replace'] ) && $_POST['classic-editor-replace'] === 'block' ) {
|
|
update_network_option( null, 'classic-editor-replace', 'block' );
|
|
} else {
|
|
update_network_option( null, 'classic-editor-replace', 'classic' );
|
|
}
|
|
if ( isset( $_POST['classic-editor-allow-sites'] ) && $_POST['classic-editor-allow-sites'] === 'allow' ) {
|
|
update_network_option( null, 'classic-editor-allow-sites', 'allow' );
|
|
} else {
|
|
update_network_option( null, 'classic-editor-allow-sites', 'disallow' );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add a hidden field in edit-form-advanced.php
|
|
* to help redirect back to the classic editor on saving.
|
|
*/
|
|
public static function add_redirect_helper() {
|
|
?>
|
|
<input type="hidden" name="classic-editor" value="" />
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* Remember when the classic editor was used to edit a post.
|
|
*/
|
|
public static function remember_classic_editor( $post ) {
|
|
$post_type = get_post_type( $post );
|
|
|
|
if ( $post_type && post_type_supports( $post_type, 'editor' ) ) {
|
|
self::remember( $post->ID, 'classic-editor' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remember when the block editor was used to edit a post.
|
|
*/
|
|
public static function remember_block_editor( $editor_settings, $context ) {
|
|
if ( is_a( $context, 'WP_Post' ) ) {
|
|
$post = $context;
|
|
} elseif ( ! empty( $context->post ) ) {
|
|
$post = $context->post;
|
|
} else {
|
|
return $editor_settings;
|
|
}
|
|
|
|
$post_type = get_post_type( $post );
|
|
|
|
if ( $post_type && self::can_edit_post_type( $post_type ) ) {
|
|
self::remember( $post->ID, 'block-editor' );
|
|
}
|
|
|
|
return $editor_settings;
|
|
}
|
|
|
|
private static function remember( $post_id, $editor ) {
|
|
if ( get_post_meta( $post_id, 'classic-editor-remember', true ) !== $editor ) {
|
|
update_post_meta( $post_id, 'classic-editor-remember', $editor );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Choose which editor to use for a post.
|
|
*
|
|
* Passes through `$which_editor` for block editor (it's sets to `true` but may be changed by another plugin).
|
|
*
|
|
* @uses `use_block_editor_for_post` filter.
|
|
*
|
|
* @param boolean $use_block_editor True for block editor, false for classic editor.
|
|
* @param WP_Post $post The post being edited.
|
|
* @return boolean True for block editor, false for classic editor.
|
|
*/
|
|
public static function choose_editor( $use_block_editor, $post ) {
|
|
$settings = self::get_settings();
|
|
$editors = self::get_enabled_editors_for_post( $post );
|
|
|
|
// If no editor is supported, pass through `$use_block_editor`.
|
|
if ( ! $editors['block_editor'] && ! $editors['classic_editor'] ) {
|
|
return $use_block_editor;
|
|
}
|
|
|
|
// Open the default editor when no $post and for "Add New" links,
|
|
// or the alternate editor when the user is switching editors.
|
|
// phpcs:disable WordPress.Security.NonceVerification.Recommended
|
|
if ( empty( $post->ID ) || $post->post_status === 'auto-draft' ) {
|
|
if (
|
|
( $settings['editor'] === 'classic' && ! isset( $_GET['classic-editor__forget'] ) ) || // Add New
|
|
( isset( $_GET['classic-editor'] ) && isset( $_GET['classic-editor__forget'] ) ) // Switch to classic editor when no draft post.
|
|
) {
|
|
$use_block_editor = false;
|
|
}
|
|
} elseif ( self::is_classic( $post->ID ) ) {
|
|
$use_block_editor = false;
|
|
}
|
|
// phpcs:enable WordPress.Security.NonceVerification.Recommended
|
|
|
|
// Enforce the editor if set by plugins.
|
|
if ( $use_block_editor && ! $editors['block_editor'] ) {
|
|
$use_block_editor = false;
|
|
} elseif ( ! $use_block_editor && ! $editors['classic_editor'] && $editors['block_editor'] ) {
|
|
$use_block_editor = true;
|
|
}
|
|
|
|
return $use_block_editor;
|
|
}
|
|
|
|
/**
|
|
* Keep the `classic-editor` query arg through redirects when saving posts.
|
|
*/
|
|
public static function redirect_location( $location ) {
|
|
if (
|
|
isset( $_REQUEST['classic-editor'] ) || // phpcs:ignore WordPress.Security.NonceVerification.Recommended
|
|
( isset( $_POST['_wp_http_referer'] ) && strpos( $_POST['_wp_http_referer'], '&classic-editor' ) !== false ) // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.NonceVerification.Missing
|
|
) {
|
|
$location = add_query_arg( 'classic-editor', '', $location );
|
|
}
|
|
|
|
return $location;
|
|
}
|
|
|
|
/**
|
|
* Keep the `classic-editor` query arg when looking at revisions.
|
|
*/
|
|
public static function get_edit_post_link( $url ) {
|
|
$settings = self::get_settings();
|
|
|
|
if ( isset( $_REQUEST['classic-editor'] ) || $settings['editor'] === 'classic' ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
|
|
$url = add_query_arg( 'classic-editor', '', $url );
|
|
}
|
|
|
|
return $url;
|
|
}
|
|
|
|
public static function add_meta_box( $post_type, $post ) {
|
|
$editors = self::get_enabled_editors_for_post( $post );
|
|
|
|
if ( ! $editors['block_editor'] || ! $editors['classic_editor'] ) {
|
|
// Editors cannot be switched.
|
|
return;
|
|
}
|
|
|
|
$id = 'classic-editor-switch-editor';
|
|
$title = __( 'Editor', 'classic-editor' );
|
|
$callback = array( __CLASS__, 'do_meta_box' );
|
|
$args = array(
|
|
'__back_compat_meta_box' => true,
|
|
);
|
|
|
|
add_meta_box( $id, $title, $callback, null, 'side', 'default', $args );
|
|
}
|
|
|
|
public static function do_meta_box( $post ) {
|
|
$edit_url = get_edit_post_link( $post->ID, 'raw' );
|
|
|
|
// Switching to block editor.
|
|
$edit_url = remove_query_arg( 'classic-editor', $edit_url );
|
|
// Forget the previous value when going to a specific editor.
|
|
$edit_url = add_query_arg( 'classic-editor__forget', '', $edit_url );
|
|
|
|
?>
|
|
<p style="margin: 1em 0;">
|
|
<a href="<?php echo esc_url( $edit_url ); ?>"><?php _e( 'Switch to block editor', 'classic-editor' ); ?></a>
|
|
</p>
|
|
<?php
|
|
}
|
|
|
|
public static function enqueue_block_editor_scripts() {
|
|
// get_enabled_editors_for_post() needs a WP_Post or post_ID.
|
|
if ( empty( $GLOBALS['post'] ) ) {
|
|
return;
|
|
}
|
|
|
|
$editors = self::get_enabled_editors_for_post( $GLOBALS['post'] );
|
|
|
|
if ( ! $editors['classic_editor'] ) {
|
|
// Editor cannot be switched.
|
|
return;
|
|
}
|
|
|
|
wp_enqueue_script(
|
|
'classic-editor-plugin',
|
|
plugins_url( 'js/block-editor-plugin.js', __FILE__ ),
|
|
array( 'wp-element', 'wp-components', 'lodash' ),
|
|
'1.4',
|
|
true
|
|
);
|
|
|
|
wp_localize_script(
|
|
'classic-editor-plugin',
|
|
'classicEditorPluginL10n',
|
|
array( 'linkText' => __( 'Switch to classic editor', 'classic-editor' ) )
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Add a link to the settings on the Plugins screen.
|
|
*/
|
|
public static function add_settings_link( $links, $file ) {
|
|
$settings = self::get_settings();
|
|
|
|
if ( $file === 'classic-editor/classic-editor.php' && ! $settings['hide-settings-ui'] && current_user_can( 'manage_options' ) ) {
|
|
if ( current_filter() === 'plugin_action_links' ) {
|
|
$url = admin_url( 'options-writing.php#classic-editor-options' );
|
|
} else {
|
|
$url = admin_url( '/network/settings.php#classic-editor-options' );
|
|
}
|
|
|
|
// Prevent warnings in PHP 7.0+ when a plugin uses this filter incorrectly.
|
|
$links = (array) $links;
|
|
$links[] = sprintf( '<a href="%s">%s</a>', $url, __( 'Settings', 'classic-editor' ) );
|
|
}
|
|
|
|
return $links;
|
|
}
|
|
|
|
private static function can_edit_post_type( $post_type ) {
|
|
$can_edit = false;
|
|
|
|
if ( function_exists( 'gutenberg_can_edit_post_type' ) ) {
|
|
$can_edit = gutenberg_can_edit_post_type( $post_type );
|
|
} elseif ( function_exists( 'use_block_editor_for_post_type' ) ) {
|
|
$can_edit = use_block_editor_for_post_type( $post_type );
|
|
}
|
|
|
|
return $can_edit;
|
|
}
|
|
|
|
/**
|
|
* Checks which editors are enabled for the post type.
|
|
*
|
|
* @param string $post_type The post type.
|
|
* @return array Associative array of the editors and whether they are enabled for the post type.
|
|
*/
|
|
private static function get_enabled_editors_for_post_type( $post_type ) {
|
|
if ( isset( self::$supported_post_types[ $post_type ] ) ) {
|
|
return self::$supported_post_types[ $post_type ];
|
|
}
|
|
|
|
$classic_editor = post_type_supports( $post_type, 'editor' );
|
|
$block_editor = self::can_edit_post_type( $post_type );
|
|
|
|
$editors = array(
|
|
'classic_editor' => $classic_editor,
|
|
'block_editor' => $block_editor,
|
|
);
|
|
|
|
/**
|
|
* Filters the editors that are enabled for the post type.
|
|
*
|
|
* @param array $editors Associative array of the editors and whether they are enabled for the post type.
|
|
* @param string $post_type The post type.
|
|
*/
|
|
$editors = apply_filters( 'classic_editor_enabled_editors_for_post_type', $editors, $post_type );
|
|
self::$supported_post_types[ $post_type ] = $editors;
|
|
|
|
return $editors;
|
|
}
|
|
|
|
/**
|
|
* Checks which editors are enabled for the post.
|
|
*
|
|
* @param WP_Post $post The post object.
|
|
* @return array Associative array of the editors and whether they are enabled for the post.
|
|
*/
|
|
private static function get_enabled_editors_for_post( $post ) {
|
|
$post_type = get_post_type( $post );
|
|
|
|
if ( ! $post_type ) {
|
|
return array(
|
|
'classic_editor' => false,
|
|
'block_editor' => false,
|
|
);
|
|
}
|
|
|
|
$editors = self::get_enabled_editors_for_post_type( $post_type );
|
|
|
|
/**
|
|
* Filters the editors that are enabled for the post.
|
|
*
|
|
* @param array $editors Associative array of the editors and whether they are enabled for the post.
|
|
* @param WP_Post $post The post object.
|
|
*/
|
|
return apply_filters( 'classic_editor_enabled_editors_for_post', $editors, $post );
|
|
}
|
|
|
|
/**
|
|
* Adds links to the post/page screens to edit any post or page in
|
|
* the classic editor or block editor.
|
|
*
|
|
* @param array $actions Post actions.
|
|
* @param WP_Post $post Edited post.
|
|
* @return array Updated post actions.
|
|
*/
|
|
public static function add_edit_links( $actions, $post ) {
|
|
// This is in Gutenberg, don't duplicate it.
|
|
if ( array_key_exists( 'classic', $actions ) ) {
|
|
unset( $actions['classic'] );
|
|
}
|
|
|
|
if ( ! array_key_exists( 'edit', $actions ) ) {
|
|
return $actions;
|
|
}
|
|
|
|
$edit_url = get_edit_post_link( $post->ID, 'raw' );
|
|
|
|
if ( ! $edit_url ) {
|
|
return $actions;
|
|
}
|
|
|
|
$editors = self::get_enabled_editors_for_post( $post );
|
|
|
|
// Do not show the links if only one editor is available.
|
|
if ( ! $editors['classic_editor'] || ! $editors['block_editor'] ) {
|
|
return $actions;
|
|
}
|
|
|
|
// Forget the previous value when going to a specific editor.
|
|
$edit_url = add_query_arg( 'classic-editor__forget', '', $edit_url );
|
|
|
|
// Build the edit actions. See also: WP_Posts_List_Table::handle_row_actions().
|
|
$title = _draft_or_post_title( $post->ID );
|
|
|
|
// Link to the block editor.
|
|
$url = remove_query_arg( 'classic-editor', $edit_url );
|
|
$text = _x( 'Edit (block editor)', 'Editor Name', 'classic-editor' );
|
|
/* translators: %s: post title */
|
|
$label = sprintf( __( 'Edit “%s” in the block editor', 'classic-editor' ), $title );
|
|
$edit_block = sprintf( '<a href="%s" aria-label="%s">%s</a>', esc_url( $url ), esc_attr( $label ), $text );
|
|
|
|
// Link to the classic editor.
|
|
$url = add_query_arg( 'classic-editor', '', $edit_url );
|
|
$text = _x( 'Edit (classic editor)', 'Editor Name', 'classic-editor' );
|
|
/* translators: %s: post title */
|
|
$label = sprintf( __( 'Edit “%s” in the classic editor', 'classic-editor' ), $title );
|
|
$edit_classic = sprintf( '<a href="%s" aria-label="%s">%s</a>', esc_url( $url ), esc_attr( $label ), $text );
|
|
|
|
$edit_actions = array(
|
|
'classic-editor-block' => $edit_block,
|
|
'classic-editor-classic' => $edit_classic,
|
|
);
|
|
|
|
// Insert the new Edit actions instead of the Edit action.
|
|
$edit_offset = array_search( 'edit', array_keys( $actions ), true );
|
|
array_splice( $actions, $edit_offset, 1, $edit_actions );
|
|
|
|
return $actions;
|
|
}
|
|
|
|
/**
|
|
* Show the editor that will be used in a "post state" in the Posts list table.
|
|
*/
|
|
public static function add_post_state( $post_states, $post ) {
|
|
if ( get_post_status( $post ) === 'trash' ) {
|
|
return $post_states;
|
|
}
|
|
|
|
$editors = self::get_enabled_editors_for_post( $post );
|
|
|
|
if ( ! $editors['classic_editor'] && ! $editors['block_editor'] ) {
|
|
return $post_states;
|
|
} elseif ( $editors['classic_editor'] && ! $editors['block_editor'] ) {
|
|
// Forced to classic editor.
|
|
$state = '<span class="classic-editor-forced-state">' . _x( 'classic editor', 'Editor Name', 'classic-editor' ) . '</span>';
|
|
} elseif ( ! $editors['classic_editor'] && $editors['block_editor'] ) {
|
|
// Forced to block editor.
|
|
$state = '<span class="classic-editor-forced-state">' . _x( 'block editor', 'Editor Name', 'classic-editor' ) . '</span>';
|
|
} else {
|
|
$last_editor = get_post_meta( $post->ID, 'classic-editor-remember', true );
|
|
|
|
if ( $last_editor ) {
|
|
$is_classic = ( $last_editor === 'classic-editor' );
|
|
} elseif ( ! empty( $post->post_content ) ) {
|
|
$is_classic = ! self::has_blocks( $post->post_content );
|
|
} else {
|
|
$settings = self::get_settings();
|
|
$is_classic = ( $settings['editor'] === 'classic' );
|
|
}
|
|
|
|
$state = $is_classic ? _x( 'Classic editor', 'Editor Name', 'classic-editor' ) : _x( 'Block editor', 'Editor Name', 'classic-editor' );
|
|
}
|
|
|
|
// Fix PHP 7+ warnings if another plugin returns unexpected type.
|
|
$post_states = (array) $post_states;
|
|
$post_states['classic-editor-plugin'] = $state;
|
|
|
|
return $post_states;
|
|
}
|
|
|
|
public static function add_edit_php_inline_style() {
|
|
?>
|
|
<style>
|
|
.classic-editor-forced-state {
|
|
font-style: italic;
|
|
font-weight: 400;
|
|
color: #72777c;
|
|
font-size: small;
|
|
}
|
|
</style>
|
|
<?php
|
|
}
|
|
|
|
public static function on_admin_init() {
|
|
global $pagenow;
|
|
|
|
if ( $pagenow !== 'post.php' ) {
|
|
return;
|
|
}
|
|
|
|
$settings = self::get_settings();
|
|
$post_id = self::get_edited_post_id();
|
|
|
|
if ( $post_id && ( $settings['editor'] === 'classic' || self::is_classic( $post_id ) ) ) {
|
|
// Move the Privacy Policy help notice back under the title field.
|
|
remove_action( 'admin_notices', array( 'WP_Privacy_Policy_Content', 'notice' ) );
|
|
add_action( 'edit_form_after_title', array( 'WP_Privacy_Policy_Content', 'notice' ) );
|
|
}
|
|
}
|
|
|
|
// Need to support WP < 5.0
|
|
private static function has_blocks( $post = null ) {
|
|
if ( ! is_string( $post ) ) {
|
|
$wp_post = get_post( $post );
|
|
|
|
if ( $wp_post instanceof WP_Post ) {
|
|
$post = $wp_post->post_content;
|
|
}
|
|
}
|
|
|
|
return false !== strpos( (string) $post, '<!-- wp:' );
|
|
}
|
|
|
|
/**
|
|
* Set defaults on activation.
|
|
*/
|
|
public static function activate() {
|
|
register_uninstall_hook( __FILE__, array( __CLASS__, 'uninstall' ) );
|
|
|
|
if ( is_multisite() ) {
|
|
add_network_option( null, 'classic-editor-replace', 'classic' );
|
|
add_network_option( null, 'classic-editor-allow-sites', 'disallow' );
|
|
}
|
|
|
|
add_option( 'classic-editor-replace', 'classic' );
|
|
add_option( 'classic-editor-allow-users', 'disallow' );
|
|
}
|
|
|
|
/**
|
|
* Delete the options on uninstall.
|
|
*/
|
|
public static function uninstall() {
|
|
if ( is_multisite() ) {
|
|
delete_network_option( null, 'classic-editor-replace' );
|
|
delete_network_option( null, 'classic-editor-allow-sites' );
|
|
}
|
|
|
|
delete_option( 'classic-editor-replace' );
|
|
delete_option( 'classic-editor-allow-users' );
|
|
}
|
|
}
|
|
|
|
add_action( 'plugins_loaded', array( 'Classic_Editor', 'init_actions' ) );
|
|
|
|
endif;
|