public static function enqueue_resources() {
        if (!self::$enqueued) {
            CrayonLog::debug('enqueue');
            global $CRAYON_VERSION;
            CrayonSettingsWP::load_settings(TRUE);
            if (CRAYON_MINIFY) {
                wp_enqueue_style('crayon', plugins_url(CRAYON_STYLE_MIN, __FILE__), array(), $CRAYON_VERSION);
                wp_enqueue_script('crayon_js', plugins_url(CRAYON_JS_MIN, __FILE__), array('jquery'), $CRAYON_VERSION, CrayonGlobalSettings::val(CrayonSettings::DELAY_LOAD_JS));
            } else {
                wp_enqueue_style('crayon_style', plugins_url(CRAYON_STYLE, __FILE__), array(), $CRAYON_VERSION);
                wp_enqueue_style('crayon_global_style', plugins_url(CRAYON_STYLE_GLOBAL, __FILE__), array(), $CRAYON_VERSION);
                wp_enqueue_script('crayon_util_js', plugins_url(CRAYON_JS_UTIL, __FILE__), array('jquery'), $CRAYON_VERSION);
                CrayonSettingsWP::other_scripts();
            }
            CrayonSettingsWP::init_js_settings();
            self::$enqueued = TRUE;
        }
    }