public function get_feedbackreviewer_form($actionurl, stdclass $assessment, $options=array()) {
        global $CFG;
        require_once(__DIR__ . '/feedbackreviewer_form.php');

        $current = new stdclass();
        $current->asid                      = $assessment->id;
        $current->weight                    = $assessment->weight;
        $current->gradinggrade              = $this->real_grading_grade($assessment->gradinggrade);
        $current->gradinggradeover          = $this->real_grading_grade($assessment->gradinggradeover);
        $current->feedbackreviewer          = $assessment->feedbackreviewer;
        $current->feedbackreviewerformat    = $assessment->feedbackreviewerformat;
        if (is_null($current->gradinggrade)) {
            $current->gradinggrade = get_string('nullgrade', 'workshop');
        }
        if (!isset($options['editable'])) {
            $editable = true;   // by default
        } else {
            $editable = (bool)$options['editable'];
        }

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

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