/**
 * load the available item plugins to use as dropdown-options
 *
 * @global object
 * @return array pluginnames as string
 */
function feedback_load_feedback_items_options() {
    global $CFG;

    $feedback_options = array("pagebreak" => get_string('add_pagebreak', 'feedback'));

    if (!$feedback_names = feedback_load_feedback_items('mod/feedback/item')) {
        return array();
    }

    foreach ($feedback_names as $fn) {
        $feedback_options[$fn] = get_string($fn, 'feedback');
    }
    asort($feedback_options);
    $feedback_options = array_merge( array(' ' => get_string('select')), $feedback_options );
    return $feedback_options;
}

function feedback_import_loaded_data(&$data, $feedbackid) {
    global $CFG, $DB;

    feedback_load_feedback_items();

    $deleteolditems = optional_param('deleteolditems', 0, PARAM_INT);

    $error = new stdClass();
    $error->stat = true;
    $error->msg = array();

    if (!is_array($data)) {
        $error->msg[] = get_string('data_is_not_an_array', 'feedback');
        $error->stat = false;
        return $error;
    }

    if ($deleteolditems) {
        feedback_delete_all_items($feedbackid);
        $position = 0;
    } else {
        //items will be add to the end of the existing items
        $position = $DB->count_records('feedback_item', array('feedback'=>$feedbackid));
    }

    //depend items we are storing temporary in an mapping list array(new id => dependitem)
    //we also store a mapping of all items array(oldid => newid)
    $dependitemsmap = array();
    $itembackup = array();
    foreach ($data as $item) {
        $position++;
        //check the typ
        $typ = $item['@']['TYPE'];

        //check oldtypes first
        switch($typ) {
            case 'radio':
                $typ = 'multichoice';
                $oldtyp = 'radio';
                break;
            case 'dropdown':
                $typ = 'multichoice';
                $oldtyp = 'dropdown';
                break;
            case 'check':
                $typ = 'multichoice';
                $oldtyp = 'check';
                break;
            case 'radiorated':
                $typ = 'multichoicerated';
                $oldtyp = 'radiorated';
                break;
            case 'dropdownrated':
                $typ = 'multichoicerated';
                $oldtyp = 'dropdownrated';
                break;
            default:
                $oldtyp = $typ;
        }

        $itemclass = 'feedback_item_'.$typ;
        if ($typ != 'pagebreak' AND !class_exists($itemclass)) {
            $error->stat = false;
            $error->msg[] = 'type ('.$typ.') not found';
            continue;
        }
        $itemobj = new $itemclass();

        $newitem = new stdClass();
        $newitem->feedback = $feedbackid;
        $newitem->template = 0;
        $newitem->typ = $typ;
        $newitem->name = trim($item['#']['ITEMTEXT'][0]['#']);
        $newitem->label = trim($item['#']['ITEMLABEL'][0]['#']);
        $newitem->options = trim($item['#']['OPTIONS'][0]['#']);
        $newitem->presentation = trim($item['#']['PRESENTATION'][0]['#']);
        //check old types of radio, check, and so on
        switch($oldtyp) {
            case 'radio':
                $newitem->presentation = 'r>>>>>'.$newitem->presentation;
                break;
            case 'dropdown':
                $newitem->presentation = 'd>>>>>'.$newitem->presentation;
                break;
            case 'check':
                $newitem->presentation = 'c>>>>>'.$newitem->presentation;
                break;
            case 'radiorated':
                $newitem->presentation = 'r>>>>>'.$newitem->presentation;
                break;
            case 'dropdownrated':
                $newitem->presentation = 'd>>>>>'.$newitem->presentation;
                break;
        }

        if (isset($item['#']['DEPENDITEM'][0]['#'])) {
            $newitem->dependitem = intval($item['#']['DEPENDITEM'][0]['#']);
        } else {
            $newitem->dependitem = 0;
        }
//.........这里部分代码省略.........

<?php

/**
* prints an analysed excel-spreadsheet of the feedback
*
* @author Andreas Grabs
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package feedback
*/
require_once "../../config.php";
require_once "lib.php";
// require_once('easy_excel.php');
require_once "{$CFG->libdir}/excellib.class.php";
feedback_load_feedback_items();
$id = required_param('id', PARAM_INT);
//the POST dominated the GET
$coursefilter = optional_param('coursefilter', '0', PARAM_INT);
$url = new moodle_url('/mod/feedback/analysis_to_excel.php', array('id' => $id));
if ($coursefilter !== '0') {
    $url->param('coursefilter', $coursefilter);
}
$PAGE->set_url($url);
$formdata = data_submitted();
if (!($cm = get_coursemodule_from_id('feedback', $id))) {
    print_error('invalidcoursemodule');
}
if (!($course = $DB->get_record("course", array("id" => $cm->course)))) {
    print_error('coursemisconf');
}
if (!($feedback = $DB->get_record("feedback", array("id" => $cm->instance)))) {
    print_error('invalidcoursemodule');