group/assign.php

   1 <?php  // $Id$
   2 /**
   3  * Add/remove group from grouping.
   4  * @package groups
   5  */
   6 require_once('../config.php');
   7 require_once('lib.php');
   8
   9 $groupingid = required_param('id', PARAM_INT);
  10
  11 if (!$grouping = get_record('groupings', 'id', $groupingid)) {
  12     error('Incorrect group id');
  13 }
  14
  15 if (! $course = get_record('course', 'id', $grouping->courseid)) {
  16     print_error('invalidcourse');
  17 }
  18 $courseid = $course->id;
  19
  20 require_login($course);
  21 $context = get_context_instance(CONTEXT_COURSE, $courseid);
  22 require_capability('moodle/course:managegroups', $context);
  23
  24 $returnurl = $CFG->wwwroot.'/group/groupings.php?id='.$courseid;
  25
  26
  27 if ($frm = data_submitted() and confirm_sesskey()) {
  28
  29     if (isset($frm->cancel)) {
  30         redirect($returnurl);
  31
  32     } else if (isset($frm->add) and !empty($frm->addselect)) {
  33         foreach ($frm->addselect as $groupid) {
  34             groups_assign_grouping($grouping->id, (int)$groupid);
  35         }
  36
  37     } else if (isset($frm->remove) and !empty($frm->removeselect)) {
  38         foreach ($frm->removeselect as $groupid) {
  39             groups_unassign_grouping($grouping->id, (int)$groupid);
  40         }
  41     }
  42 }
  43
  44
  45 $currentmembers = array();
  46 $potentialmembers  = array();
  47
  48 if ($groups = get_records('groups', 'courseid', $courseid, 'name')) {
  49     if ($assignment = get_records('groupings_groups', 'groupingid', $grouping->id)) {
  50         foreach ($assignment as $ass) {
  51             $currentmembers[$ass->groupid] = $groups[$ass->groupid];
  52             unset($groups[$ass->groupid]);
  53         }
  54     }
  55     $potentialmembers = $groups;
  56 }
  57
  58 $currentmembersoptions = '';
  59 $currentmemberscount = 0;
  60 if ($currentmembers) {
  61     foreach($currentmembers as $group) {
  62         $currentmembersoptions .= '<option value="'.$group->id.'.">'.format_string($group->name).'</option>';
  63         $currentmemberscount ++;
  64     }
  65
  66     // Get course managers so they can be hilited in the list
  67     if ($managerroles = get_config('', 'coursemanager')) {
  68         $coursemanagerroles = split(',', $managerroles);
  69         foreach ($coursemanagerroles as $roleid) {
  70             $role = get_record('role','id',$roleid);
  71             $canseehidden = has_capability('moodle/role:viewhiddenassigns', $context);
  72             $managers = get_role_users($roleid, $context, true, 'u.id', 'u.id ASC', $canseehidden);
  73         }
  74     }
  75 } else {
  76     $currentmembersoptions .= '<option>&nbsp;</option>';
  77 }
  78
  79 $potentialmembersoptions = '';
  80 $potentialmemberscount = 0;
  81 if ($potentialmembers) {
  82     foreach($potentialmembers as $group) {
  83         $potentialmembersoptions .= '<option value="'.$group->id.'.">'.format_string($group->name).'</option>';
  84         $potentialmemberscount ++;
  85     }
  86 } else {
  87     $potentialmembersoptions .= '<option>&nbsp;</option>';
  88 }
  89
  90 // Print the page and form
  91 $strgroups = get_string('groups');
  92 $strparticipants = get_string('participants');
  93 $straddgroupstogroupings = get_string('addgroupstogroupings', 'group');
  94
  95 $groupingname = format_string($grouping->name);
  96
  97 $navlinks = array();
  98 $navlinks[] = array('name' => $strparticipants, 'link' => "$CFG->wwwroot/user/index.php?id=$courseid", 'type' => 'misc');
  99 $navlinks[] = array('name' => $strgroups, 'link' => "$CFG->wwwroot/group/index.php?id=$courseid", 'type' => 'misc');
 100 $navlinks[] = array('name' => $straddgroupstogroupings, 'link' => null, 'type' => 'misc');
 101 $navigation = build_navigation($navlinks);
 102
 103 print_header("$course->shortname: $strgroups", $course->fullname, $navigation, '', '', true, '', user_login_string($course, $USER));
 104
 105 ?>
 106 <div id="addmembersform">
 107     <h3 class="main"><?php print_string('addgroupstogroupings', 'group'); echo ": $groupingname"; ?></h3>
 108
 109     <form id="assignform" method="post" action="">
 110     <div>
 111     <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
 112
 113     <table summary="" cellpadding="5" cellspacing="0">
 114     <tr>
 115       <td valign="top">
 116           <label for="removeselect"><?php print_string('existingmembers', 'group', $currentmemberscount); //count($contextusers) ?></label>
 117           <br />
 118           <select name="removeselect[]" size="20" id="removeselect" multiple="multiple"
 119                   onfocus="document.getElementById('assignform').add.disabled=true;
 120                            document.getElementById('assignform').remove.disabled=false;
 121                            document.getElementById('assignform').addselect.selectedIndex=-1;">
 122           <?php echo $currentmembersoptions ?>
 123           </select></td>
 124       <td valign="top">
 125
 126         <?php check_theme_arrows(); ?>
 127         <p class="arrow_button">
 128             <input name="add" id="add" type="submit" value="<?php echo '&nbsp;'.$THEME->larrow.' &nbsp; &nbsp; '.get_string('add'); ?>" title="<?php print_string('add'); ?>" />
 129             <br />
 130             <input name="remove" id="remove" type="submit" value="<?php echo '&nbsp; '.$THEME->rarrow.' &nbsp; &nbsp; '.get_string('remove'); ?>" title="<?php print_string('remove'); ?>" />
 131         </p>
 132       </td>
 133       <td valign="top">
 134           <label for="addselect"><?php print_string('potentialmembers', 'group', $potentialmemberscount); //$usercount ?></label>
 135           <br />
 136           <select name="addselect[]" size="20" id="addselect" multiple="multiple"
 137                   onfocus="document.getElementById('assignform').add.disabled=false;
 138                            document.getElementById('assignform').remove.disabled=true;
 139                            document.getElementById('assignform').removeselect.selectedIndex=-1;">
 140          <?php echo $potentialmembersoptions ?>
 141          </select>
 142          <br />
 143        </td>
 144     </tr>
 145     <tr><td>
 146         <input type="submit" name="cancel" value="<?php print_string('backtogroupings', 'group'); ?>" />
 147     </td></tr>
 148     </table>
 149     </div>
 150     </form>
 151 </div>
 152
 153 <?php
 154     print_footer($course);
 155
 156
 157 ?>