group/grouping.php

   1 <?php
   2 /**
   3  * Create grouping OR edit grouping settings.
   4  *
   5  * @copyright &copy; 2006 The Open University
   6  * @author N.D.Freear AT open.ac.uk
   7  * @author J.White AT open.ac.uk
   8  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   9  * @package groups
  10  */
  11
  12 //TODO: reimplement
  13 die;die;die;
  14
  15 require_once('../config.php');
  16 require_once('lib.php');
  17 require_once($CFG->libdir.'/moodlelib.php');
  18 require_once('grouping_edit_form.php');
  19
  20 $courseid   = required_param('courseid', PARAM_INT);
  21 $id = optional_param('id', false, PARAM_INT);
  22
  23 $delete = optional_param('delete', false, PARAM_BOOL);
  24
  25 if (empty($CFG->enablegroupings)) {
  26     // NO GROUPIGS YET!
  27     error('No groupings yet');
  28 }
  29
  30 // Get the course information so we can print the header and
  31 // check the course id is valid
  32 $course = groups_get_course_info($courseid);
  33 if (! $course) {
  34     $success = false;
  35     print_error('invalidcourse'); //'The course ID is invalid'
  36 }
  37 if (GROUP_NOT_IN_GROUPING == $id) {
  38     print_error('errornotingroupingedit', 'group', groups_home_url($courseid), get_string('notingrouping', 'group'));
  39 }
  40
  41 /// basic access control checks
  42 if ($id) {
  43     if (!$grouping = get_record('groups_groupings', 'id', $id)) {
  44         error('Grouping ID was incorrect');
  45     }
  46     $context = get_context_instance(CONTEXT_COURSE, $course->id);
  47     require_capability('moodle/course:managegroups', $context);
  48 }
  49
  50 /// First create the form
  51 $editform = new grouping_edit_form('grouping.php', compact('grouping', 'courseid'));
  52
  53 /// Override defaults if group is set
  54 if (!empty($grouping)) {
  55     $editform->set_data($grouping);
  56 }
  57
  58 // preprocess data
  59 if ($delete) {
  60     if (groups_delete_grouping($id)) {
  61         redirect(groups_home_url($course->id));
  62     } else {
  63         print_error('erroreditgrouping', 'group', groups_home_url($course->id));
  64     }
  65 }
  66
  67 if ($editform->is_cancelled()) {
  68     redirect(groups_home_url($courseid, false, $id, false));
  69 } elseif ($data = $editform->get_data()) {
  70     $success = true;
  71
  72     if (empty($grouping)) { // New grouping
  73         if (!$id = groups_create_grouping($course->id, $data)) {
  74             print_error('erroreditgrouping');
  75         } else {
  76             $success = (bool)$id;
  77             $data->id = $id;
  78         }
  79     } else { // Updating grouping
  80         if (!groups_update_grouping($data, $course->id)) {
  81             print_error('groupingnotupdated');
  82         }
  83     }
  84
  85     if ($success) {
  86         redirect(groups_home_url($courseid, false, $id, false));
  87     } else {
  88         print_error('erroreditgrouping', 'group', groups_home_url($courseid));
  89     }
  90
  91 } else { // Prepare and output form
  92     $strgroups = get_string('groups');
  93     $strparticipants = get_string('participants');
  94
  95     if ($id) {
  96         $strheading = get_string('editgroupingsettings', 'group');
  97     } else {
  98         $strheading = get_string('creategrouping', 'group');
  99     }
 100     print_header("$course->shortname: ". $strheading,
 101                  $course->fullname,
 102                  "<a href=\"$CFG->wwwroot/course/view.php?id=$courseid\">$course->shortname</a> ".
 103                  "-> <a href=\"$CFG->wwwroot/user/index.php?id=$courseid\">$strparticipants</a> ".
 104                  '-> <a href="' .format_string(groups_home_url($courseid, false, $id, false)) . "\">$strgroups</a>".
 105                  "-> $strheading", '', '', true, '', user_login_string($course, $USER));
 106     print_heading($strheading);
 107     $editform->display();
 108     print_footer($course);
 109 }
 110 ?>