public function get_feedbackauthor_form($actionurl, stdclass $submission, $options=array()) {
        global $CFG;
        require_once(__DIR__ . '/feedbackauthor_form.php');

        $current = new stdclass();
        $current->submissionid          = $submission->id;
        $current->published             = $submission->published;
        $current->grade                 = $this->real_grade($submission->grade);
        $current->gradeover             = $this->real_grade($submission->gradeover);
        $current->feedbackauthor        = $submission->feedbackauthor;
        $current->feedbackauthorformat  = $submission->feedbackauthorformat;
        if (is_null($current->grade)) {
            $current->grade = get_string('nullgrade', 'workshop');
        }
        if (!isset($options['editable'])) {
            $editable = true;   // by default
        } else {
            $editable = (bool)$options['editable'];
        }

        // prepare wysiwyg editor
        $current = file_prepare_standard_editor($current, 'feedbackauthor', array());

        return new workshop_feedbackauthor_form($actionurl,
                array('workshop' => $this, 'current' => $current, 'editoropts' => array(), 'options' => $options),
                'post', '', null, $editable);
    }