* 
 * @author Julia Tejerina, Oscar Sanchez, Javier Gonzalez
 * @version $Id: upload.php, v 2.0 2009/25/04
 * @package webquestscorm
 **/
require_once "../../config.php";
require_once "locallib.php";
global $CFG, $USER;
require_once "submissions.class.php";
$cmid = required_param('cmid');
$submissionsinstance = new submissions($cmid);
require_login($submissionsinstance->course->id, false, $submissionsinstance->cm);
require_capability('mod/webquestscorm:submit', $submissionsinstance->context);
webquestscorm_print_header($submissionsinstance->wqname, 'uploadTasks', $submissionsinstance->course, $submissionsinstance->cm);
$filecount = $submissionsinstance->count_user_files($USER->id);
$submission = $submissionsinstance->get_submission($USER->id);
if ($submissionsinstance->isopen() && (!$filecount || $submissionsinstance->wqresubmit || !$submission->timemarked)) {
    if ($submission = $submissionsinstance->get_submission($USER->id)) {
        //TODO: change later to ">= 0", to prevent resubmission when graded 0
        if ($submission->grade > 0 and !$submissionsinstance->wqresubmit) {
            notify(get_string('alreadygraded', 'webquestscorm'));
        }
    }
    $dir = $submissionsinstance->file_area_name($USER->id);
    require_once $CFG->dirroot . '/lib/uploadlib.php';
    $um = new upload_manager('newfile', true, false, $submissionsinstance->course, false, $submissionsinstance->wqmaxbytes);
    if ($um->process_file_uploads($dir)) {
        $newfile_name = $um->get_new_filename();
        if ($submission) {
            $submission->timemodified = time();
            $submission->numfiles = 1;
     $col = 'submissioncomment';
     $commenting = true;
 }
 if (isset($_POST['menu'])) {
     $col = 'menu';
     $grading = true;
 }
 if (!$col) {
     //both submissioncomment and grade columns collapsed..
     $submissionsinstance->display_submissions();
     break;
 }
 foreach ($_POST[$col] as $id => $unusedvalue) {
     $id = (int) $id;
     //clean parameter name
     if (!($submission = $submissionsinstance->get_submission($id))) {
         $submission = $submissionsinstance->prepare_new_submission($id);
         $newsubmission = true;
     } else {
         $newsubmission = false;
     }
     unset($submission->data1);
     // Don't need to update this.
     unset($submission->data2);
     // Don't need to update this.
     //for fast grade, we need to check if any changes take place
     $updatedb = false;
     if ($grading) {
         $grade = $_POST['menu'][$id];
         $updatedb = $updatedb || $submission->grade != $grade;
         $submission->grade = $grade;