group/assign.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Add/remove group from grouping.
  20  *
  21  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  * @package   core_group
  24  */
  25
  26 require_once('../config.php');
  27 require_once('lib.php');
  28
  29 $groupingid = required_param('id', PARAM_INT);
  30
  31 $PAGE->set_url('/group/assign.php', array('id'=>$groupingid));
  32
  33 if (!$grouping = $DB->get_record('groupings', array('id'=>$groupingid))) {
  34     print_error('invalidgroupid');
  35 }
  36
  37 if (!$course = $DB->get_record('course', array('id'=>$grouping->courseid))) {
  38     print_error('invalidcourse');
  39 }
  40 $courseid = $course->id;
  41
  42 require_login($course);
  43 $context = context_course::instance($courseid);
  44 require_capability('moodle/course:managegroups', $context);
  45
  46 $returnurl = $CFG->wwwroot.'/group/groupings.php?id='.$courseid;
  47
  48
  49 if ($frm = data_submitted() and confirm_sesskey()) {
  50
  51     if (isset($frm->cancel)) {
  52         redirect($returnurl);
  53
  54     } else if (isset($frm->add) and !empty($frm->addselect)) {
  55         foreach ($frm->addselect as $groupid) {
  56             // Ask this method not to purge the cache, we'll do it ourselves afterwards.
  57             groups_assign_grouping($grouping->id, (int)$groupid, null, false);
  58         }
  59         // Invalidate the course groups cache seeing as we've changed it.
  60         cache_helper::invalidate_by_definition('core', 'groupdata', array(), array($courseid));
  61
  62         // Invalidate the user_group_groupings cache, too.
  63         cache_helper::purge_by_definition('core', 'user_group_groupings');
  64     } else if (isset($frm->remove) and !empty($frm->removeselect)) {
  65         foreach ($frm->removeselect as $groupid) {
  66             // Ask this method not to purge the cache, we'll do it ourselves afterwards.
  67             groups_unassign_grouping($grouping->id, (int)$groupid, false);
  68         }
  69         // Invalidate the course groups cache seeing as we've changed it.
  70         cache_helper::invalidate_by_definition('core', 'groupdata', array(), array($courseid));
  71
  72         // Invalidate the user_group_groupings cache, too.
  73         cache_helper::purge_by_definition('core', 'user_group_groupings');
  74     }
  75 }
  76
  77
  78 $currentmembers = array();
  79 $potentialmembers  = array();
  80
  81 if ($groups = $DB->get_records('groups', array('courseid'=>$courseid), 'name')) {
  82     if ($assignment = $DB->get_records('groupings_groups', array('groupingid'=>$grouping->id))) {
  83         foreach ($assignment as $ass) {
  84             $currentmembers[$ass->groupid] = $groups[$ass->groupid];
  85             unset($groups[$ass->groupid]);
  86         }
  87     }
  88     $potentialmembers = $groups;
  89 }
  90
  91 $currentmembersoptions = '';
  92 $currentmemberscount = 0;
  93 if ($currentmembers) {
  94     foreach($currentmembers as $group) {
  95         $currentmembersoptions .= '<option value="' . $group->id . '." title="' . format_string($group->name) . '">' .
  96                 format_string($group->name) . '</option>';
  97         $currentmemberscount ++;
  98     }
  99
 100     // Get course managers so they can be highlighted in the list
 101     if ($managerroles = get_config('', 'coursecontact')) {
 102         $coursecontactroles = explode(',', $managerroles);
 103         foreach ($coursecontactroles as $roleid) {
 104             $role = $DB->get_record('role', array('id'=>$roleid));
 105             $managers = get_role_users($roleid, $context, true, 'u.id', 'u.id ASC');
 106         }
 107     }
 108 } else {
 109     $currentmembersoptions .= '<option>&nbsp;</option>';
 110 }
 111
 112 $potentialmembersoptions = '';
 113 $potentialmemberscount = 0;
 114 if ($potentialmembers) {
 115     foreach($potentialmembers as $group) {
 116         $potentialmembersoptions .= '<option value="' . $group->id . '." title="' . format_string($group->name) . '">' .
 117                 format_string($group->name) . '</option>';
 118         $potentialmemberscount ++;
 119     }
 120 } else {
 121     $potentialmembersoptions .= '<option>&nbsp;</option>';
 122 }
 123
 124 // Print the page and form
 125 $strgroups = get_string('groups');
 126 $strparticipants = get_string('participants');
 127 $straddgroupstogroupings = get_string('addgroupstogroupings', 'group');
 128
 129 $groupingname = format_string($grouping->name);
 130
 131 navigation_node::override_active_url(new moodle_url('/group/index.php', array('id'=>$course->id)));
 132 $PAGE->set_pagelayout('admin');
 133
 134 $PAGE->navbar->add($strparticipants, new moodle_url('/user/index.php', array('id'=>$courseid)));
 135 $PAGE->navbar->add($strgroups, new moodle_url('/group/index.php', array('id'=>$courseid)));
 136 $PAGE->navbar->add($straddgroupstogroupings);
 137
 138 /// Print header
 139 $PAGE->set_title("$course->shortname: $strgroups");
 140 $PAGE->set_heading($course->fullname);
 141 echo $OUTPUT->header();
 142
 143 ?>
 144 <div id="addmembersform">
 145     <h3 class="main"><?php print_string('addgroupstogroupings', 'group'); echo ": $groupingname"; ?></h3>
 146     <form id="assignform" method="post" action="">
 147     <div>
 148     <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
 149     <table summary="" class="generaltable generalbox groupmanagementtable boxaligncenter">
 150     <tr>
 151       <td id="existingcell">
 152           <label for="removeselect"><?php print_string('existingmembers', 'group', $currentmemberscount); ?></label>
 153           <div class="userselector" id="removeselect_wrapper">
 154           <select name="removeselect[]" size="20" id="removeselect" multiple="multiple"
 155                   onfocus="document.getElementById('assignform').add.disabled=true;
 156                            document.getElementById('assignform').remove.disabled=false;
 157                            document.getElementById('assignform').addselect.selectedIndex=-1;">
 158           <?php echo $currentmembersoptions ?>
 159           </select></div></td>
 160       <td id="buttonscell">
 161         <p class="arrow_button">
 162             <input class="btn btn-secondary" name="add" id="add" type="submit"
 163                    value="<?php echo $OUTPUT->larrow().'&nbsp;'.get_string('add'); ?>"
 164                    title="<?php print_string('add'); ?>" /><br>
 165             <input class="btn btn-secondary" name="remove" id="remove" type="submit"
 166                    value="<?php echo get_string('remove').'&nbsp;'.$OUTPUT->rarrow(); ?>"
 167                    title="<?php print_string('remove'); ?>" />
 168         </p>
 169       </td>
 170       <td id="potentialcell">
 171           <label for="addselect"><?php print_string('potentialmembers', 'group', $potentialmemberscount); ?></label>
 172           <div class="userselector" id="addselect_wrapper">
 173           <select name="addselect[]" size="20" id="addselect" multiple="multiple"
 174                   onfocus="document.getElementById('assignform').add.disabled=false;
 175                            document.getElementById('assignform').remove.disabled=true;
 176                            document.getElementById('assignform').removeselect.selectedIndex=-1;">
 177          <?php echo $potentialmembersoptions ?>
 178          </select>
 179           </div>
 180        </td>
 181     </tr>
 182     <tr><td colspan="3" id="backcell">
 183         <input class="btn btn-secondary" type="submit" name="cancel"
 184                value="<?php print_string('backtogroupings', 'group'); ?>" />
 185     </td></tr>
 186     </table>
 187     </div>
 188     </form>
 189 </div>
 190
 191 <?php
 192     echo $OUTPUT->footer();