echo Display::url(Display::return_icon('edit.png', get_lang('EditCoursesToURL'), ''), api_get_path(WEB_CODE_PATH) . 'admin/access_url_edit_courses_to_url.php');
echo '</div>';
api_display_tool_title($tool_name);
if (isset($_POST['form_sent']) && $_POST['form_sent']) {
    $form_sent = $_POST['form_sent'];
    $courses = is_array($_POST['course_list']) ? $_POST['course_list'] : array();
    $url_list = is_array($_POST['url_list']) ? $_POST['url_list'] : array();
    $first_letter_course = $_POST['first_letter_course'];
    foreach ($users as $key => $value) {
        $users[$key] = intval($value);
    }
    if ($form_sent == 1) {
        if (count($courses) == 0 || count($url_list) == 0) {
            Display::display_error_message(get_lang('AtLeastOneCourseAndOneURL'));
        } else {
            UrlManager::add_courses_to_urls($courses, $url_list);
            Display::display_confirmation_message(get_lang('CourseBelongURL'));
        }
    }
}
if (empty($first_letter_user)) {
    $sql = "SELECT count(*) as num_courses FROM {$tbl_course}";
    $result = Database::query($sql);
    $num_row = Database::fetch_array($result);
    if ($num_row['num_courses'] > 1000) {
        //if there are too much num_courses to gracefully handle with the HTML select list,
        // assign a default filter on users names
        $first_letter_user = '******';
    }
    unset($result);
}