class-wc-shortcodes-admin

<?php
if ( ! defined( 'ABSPATH' ) ) {
    exit; // Exit if accessed directly
}

/**
 * WooCommerce Shortcodes Admin class.
 */
class WC_Shortcodes_Admin {

    /**
     * Constructor.
     */
    public function __construct() {
        add_action( 'admin_head', array( $this, 'add_shortcode_button' ) );
        add_filter( 'tiny_mce_version', array( $this, 'refresh_mce' ) );
        add_filter( 'mce_external_languages', array( $this, 'add_tinymce_locales' ), 10, 1 );
        add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );
    }

    /**
     * Add a button for shortcodes to the WP editor.
     */
    public function add_shortcode_button() {
        if ( ! current_user_can( 'edit_posts' ) && ! current_user_can( 'edit_pages' ) ) {
            return;
        }

        if ( 'true' == get_user_option( 'rich_editing' ) ) {
            add_filter( 'mce_external_plugins', array( $this, 'add_shortcode_tinymce_plugin' ) );
            add_filter( 'mce_buttons', array( $this, 'register_shortcode_button' ) );
        }
    }

    /**
     * TinyMCE locales function.
     *
     * @param  array $locales TinyMCE locales.
     *
     * @return array
     */
    public function add_tinymce_locales( $locales ) {
        $locales['woocommerce_shortcodes'] = get_stylesheet_directory_uri() . '/inc/woocommerce-shortcodes/wc-shortcodes-editor-i18n.php';

        return $locales;
    }

    /**
     * Register the shortcode button.
     *
     * @param array $buttons
     * @return array
     */
    public function register_shortcode_button( $buttons ) {
        array_push( $buttons, '|', 'woocommerce_shortcodes' );

        return $buttons;
    }

    /**
     * Add the shortcode button to TinyMCE.
     *
     * @param  array $plugins TinyMCE plugins.
     *
     * @return array          WooCommerce TinyMCE plugin.
     */
    public function add_shortcode_tinymce_plugin( $plugins ) {
        $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';

        $plugins['woocommerce_shortcodes'] = get_stylesheet_directory_uri(). '/assets/js/editor' . $suffix . '.js';

        return $plugins;
    }

    /**
     * Force TinyMCE to refresh.
     *
     * @param  int $version
     *
     * @return int
     */
    public function refresh_mce( $version ) {
        $version += 3;

        return $version;
    }

    /**
     * Admin scripts.
     *
     * @param  string $hook Page slug.
     *
     * @return void
     */
    public function admin_scripts( $hook ) {
        wp_enqueue_style( 'woocommerce-shortcodes', get_stylesheet_directory_uri(). '/assets/css/editor.css', array( 'woocommerce_admin_menu_styles' ), '1.0.0', 'all' );
    }
}

new WC_Shortcodes_Admin();