示例#1
0
function start_refresh()
{
    global $course_doc;
    global $refresh;
    $xset_result = BoltXsetResult::lookup_id($refresh->xset_result_id);
    if (!$xset_result) {
        error_page("Exercise set result not found");
    }
    $view = BoltView::lookup_id($xset_result->view_id);
    if (!$view) {
        error_page("view not found");
    }
    $iter = new BoltIter($course_doc);
    $iter->decode_state($view->state);
    $iter->at();
    $xset = $iter->xset;
    if (!$xset || $xset->name != $xset_result->name) {
        error_page("missing exercise set");
    }
    $xset->restart($iter);
    $iter->at();
    $mode = default_mode($iter->item);
    $view_id = create_view($iter, $mode, 0);
    show_item($iter, $view_id, 0, $mode);
}