group/assign.php

   1 <?php
   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             $groupid = (int)$groupid;
  35             if (record_exists('groupings_groups', 'groupingid', $grouping->id, 'groupid', $groupid)) {
  36                 continue;
  37             }
  38             $assign = new object();
  39             $assign->groupingid = $grouping->id;
  40             $assign->groupid = $groupid;
  41             $assign->timeadded = time();
  42             insert_record('groupings_groups', $assign);
  43         }
  44
  45     } else if (isset($frm->remove) and !empty($frm->removeselect)) {
  46
  47         foreach ($frm->removeselect as $groupid) {
  48             $groupid = (int)$groupid;
  49             delete_records('groupings_groups', 'groupingid', $grouping->id, 'groupid', $groupid);
  50         }
  51     }
  52 }
  53
  54
  55 $currentmembers = array();
  56 $potentialmembers  = array();
  57
  58 if ($groups = get_records('groups', 'courseid', $courseid, 'name')) {
  59     if ($assignment = get_records('groupings_groups', 'groupingid', $grouping->id)) {
  60         foreach ($assignment as $ass) {
  61             $currentmembers[$ass->groupid] = $groups[$ass->groupid];
  62             unset($groups[$ass->groupid]);
  63         }
  64     }
  65     $potentialmembers = $groups;
  66 }
  67
  68 $currentmembersoptions = '';
  69 $currentmemberscount = 0;
  70 if ($currentmembers) {
  71     foreach($currentmembers as $group) {
  72         $currentmembersoptions .= '<option value="'.$group->id.'.">'.format_string($group->name).'</option>';
  73         $currentmemberscount ++;
  74     }
  75
  76     // Get course managers so they can be hilited in the list
  77     if ($managerroles = get_config('', 'coursemanager')) {
  78         $coursemanagerroles = split(',', $managerroles);
  79         foreach ($coursemanagerroles as $roleid) {
  80             $role = get_record('role','id',$roleid);
  81             $canseehidden = has_capability('moodle/role:viewhiddenassigns', $context);
  82             $managers = get_role_users($roleid, $context, true, 'u.id', 'u.id ASC', $canseehidden);
  83         }
  84     }
  85
  86     if ($potentialmembers != false) {
  87         // Put the groupings into a hash and sorts them
  88         foreach ($potentialmembers as $user) {
  89             if(!empty($managers[$user->id])) {
  90                 $nonmembers[$user->id] = '#'.$user->firstname.' '.$user->lastname;
  91             }
  92             else {
  93                 $nonmembers[$user->id] = $user->firstname.' '.$user->lastname;
  94             }
  95             $potentialmemberscount++;
  96         }
  97         natcasesort($nonmembers);
  98     }
  99 } else {
 100     $currentmembersoptions .= '<option>&nbsp;</option>';
 101 }
 102
 103 $potentialmembersoptions = '';
 104 $potentialmemberscount = 0;
 105 if ($potentialmembers) {
 106     foreach($potentialmembers as $group) {
 107         $potentialmembersoptions .= '<option value="'.$group->id.'.">'.format_string($group->name).'</option>';
 108         $potentialmemberscount ++;
 109     }
 110 } else {
 111     $potentialmembersoptions .= '<option>&nbsp;</option>';
 112 }
 113
 114 // Print the page and form
 115 $strgroups = get_string('groups');
 116 $strparticipants = get_string('participants');
 117 $straddgroupstogroupings = get_string('addgroupstogroupings', 'group');
 118
 119 $groupingname = format_string($grouping->name);
 120
 121 $navlinks = array();
 122 $navlinks[] = array('name' => $strparticipants, 'link' => "$CFG->wwwroot/user/index.php?id=$courseid", 'type' => 'misc');
 123 $navlinks[] = array('name' => $strgroups, 'link' => "$CFG->wwwroot/group/index.php?id=$courseid", 'type' => 'misc');
 124 $navlinks[] = array('name' => $straddgroupstogroupings, 'link' => null, 'type' => 'misc');
 125 $navigation = build_navigation($navlinks);
 126
 127 print_header("$course->shortname: $strgroups", $course->fullname, $navigation, '', '', true, '', user_login_string($course, $USER));
 128
 129 ?>
 130 <div id="addmembersform">
 131     <h3 class="main"><?php print_string('addgroupstogroupings', 'group'); echo ": $groupingname"; ?></h3>
 132
 133     <form id="assignform" method="post" action="">
 134     <div>
 135     <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
 136     <input type="hidden" name="group" value="<?php echo $groupid; ?>" />
 137
 138     <table summary="" cellpadding="5" cellspacing="0">
 139     <tr>
 140       <td valign="top">
 141           <label for="removeselect"><?php print_string('existingmembers', 'group', $currentmemberscount); //count($contextusers) ?></label>
 142           <br />
 143           <select name="removeselect[]" size="20" id="removeselect" multiple="multiple"
 144                   onfocus="document.getElementById('assignform').add.disabled=true;
 145                            document.getElementById('assignform').remove.disabled=false;
 146                            document.getElementById('assignform').addselect.selectedIndex=-1;">
 147           <?php echo $currentmembersoptions ?>
 148           </select></td>
 149       <td valign="top">
 150 <?php // Hidden assignment? ?>
 151
 152         <?php check_theme_arrows(); ?>
 153         <p class="arrow_button">
 154             <input name="add" id="add" type="submit" value="<?php echo '&nbsp;'.$THEME->larrow.' &nbsp; &nbsp; '.get_string('add'); ?>" title="<?php print_string('add'); ?>" />
 155             <br />
 156             <input name="remove" id="remove" type="submit" value="<?php echo '&nbsp; '.$THEME->rarrow.' &nbsp; &nbsp; '.get_string('remove'); ?>" title="<?php print_string('remove'); ?>" />
 157         </p>
 158       </td>
 159       <td valign="top">
 160           <label for="addselect"><?php print_string('potentialmembers', 'group', $potentialmemberscount); //$usercount ?></label>
 161           <br />
 162           <select name="addselect[]" size="20" id="addselect" multiple="multiple"
 163                   onfocus="document.getElementById('assignform').add.disabled=false;
 164                            document.getElementById('assignform').remove.disabled=true;
 165                            document.getElementById('assignform').removeselect.selectedIndex=-1;">
 166          <?php echo $potentialmembersoptions ?>
 167          </select>
 168          <br />
 169        </td>
 170     </tr>
 171     <tr><td>
 172         <input type="submit" name="cancel" value="<?php print_string('backtogroupings', 'group'); ?>" />
 173     </td></tr>
 174     </table>
 175     </div>
 176     </form>
 177 </div>
 178
 179 <?php
 180     print_footer($course);
 181
 182
 183 ?>