Contact Form 7 Code Editor

contact-form-7-code-editor.php

<?php
/**
 * Plugin Name: Contact Form 7 Code Editor
 * Version:     1.0.0
 * Plugin URI:  https://latinandcode.com/
 * Author:      Eugene Zhuchenko
 * Author URI:  eugenezhuchenko.com
 * Text Domain: elementor-latinandcode
 * Domain Path: /languages/
 * License: GPL v3
 */

add_action( 'admin_print_styles-toplevel_page_wpcf7', function () {

	if ( empty( $_GET['post'] ) ) {
		return;
	}

	// Include code editor for HTML.
	$settings = wp_enqueue_code_editor( array( 'type' => 'text/html' ) );

	// Do nothing if CodeMirror is disabled
	if ( false === $settings ) {
		return;
	}

	// Initialize editor for contact form editing
	wp_add_inline_script(
		'code-editor',
		sprintf( 'jQuery( function() { wp.codeEditor.initialize( "wpcf7-form", %s ); } );', wp_json_encode( $settings ) )
	);

	// Initialize editor for email form editing
	wp_add_inline_script(
		'code-editor',
		sprintf( 'jQuery( function() { wp.codeEditor.initialize( "wpcf7-mail-body", %s ); } );', wp_json_encode( $settings ) )
	);
} );