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 groups
  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 = get_context_instance(CONTEXT_COURSE, $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 $groupid) {
  56             groups_assign_grouping($grouping->id, (int)$groupid);
  57         }
  58
  59     } else if (isset($frm->remove) and !empty($frm->removeselect)) {
  60         foreach ($frm->removeselect as $groupid) {
  61             groups_unassign_grouping($grouping->id, (int)$groupid);
  62         }
  63     }
  64 }
  65
  66
  67 $currentmembers = array();
  68 $potentialmembers  = array();
  69
  70 if ($groups = $DB->get_records('groups', array('courseid'=>$courseid), 'name')) {
  71     if ($assignment = $DB->get_records('groupings_groups', array('groupingid'=>$grouping->id))) {
  72         foreach ($assignment as $ass) {
  73             $currentmembers[$ass->groupid] = $groups[$ass->groupid];
  74             unset($groups[$ass->groupid]);
  75         }
  76     }
  77     $potentialmembers = $groups;
  78 }
  79
  80 $currentmembersoptions = '';
  81 $currentmemberscount = 0;
  82 if ($currentmembers) {
  83     foreach($currentmembers as $group) {
  84         $currentmembersoptions .= '<option value="'.$group->id.'.">'.format_string($group->name).'</option>';
  85         $currentmemberscount ++;
  86     }
  87
  88     // Get course managers so they can be highlighted in the list
  89     if ($managerroles = get_config('', 'coursecontact')) {
  90         $coursecontactroles = explode(',', $managerroles);
  91         foreach ($coursecontactroles as $roleid) {
  92             $role = $DB->get_record('role', array('id'=>$roleid));
  93             $managers = get_role_users($roleid, $context, true, 'u.id', 'u.id ASC');
  94         }
  95     }
  96 } else {
  97     $currentmembersoptions .= '<option>&nbsp;</option>';
  98 }
  99
 100 $potentialmembersoptions = '';
 101 $potentialmemberscount = 0;
 102 if ($potentialmembers) {
 103     foreach($potentialmembers as $group) {
 104         $potentialmembersoptions .= '<option value="'.$group->id.'.">'.format_string($group->name).'</option>';
 105         $potentialmemberscount ++;
 106     }
 107 } else {
 108     $potentialmembersoptions .= '<option>&nbsp;</option>';
 109 }
 110
 111 // Print the page and form
 112 $strgroups = get_string('groups');
 113 $strparticipants = get_string('participants');
 114 $straddgroupstogroupings = get_string('addgroupstogroupings', 'group');
 115
 116 $groupingname = format_string($grouping->name);
 117
 118 navigation_node::override_active_url(new moodle_url('/group/index.php', array('id'=>$course->id)));
 119 $PAGE->set_pagelayout('standard');
 120
 121 $PAGE->navbar->add($strparticipants, new moodle_url('/user/index.php', array('id'=>$courseid)));
 122 $PAGE->navbar->add($strgroups, new moodle_url('/group/index.php', array('id'=>$courseid)));
 123 $PAGE->navbar->add($straddgroupstogroupings);
 124
 125 /// Print header
 126 $PAGE->set_title("$course->shortname: $strgroups");
 127 $PAGE->set_heading($course->fullname);
 128 echo $OUTPUT->header();
 129
 130 ?>
 131 <div id="addmembersform">
 132     <h3 class="main"><?php print_string('addgroupstogroupings', 'group'); echo ": $groupingname"; ?></h3>
 133
 134     <form id="assignform" method="post" action="">
 135     <div>
 136     <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
 137
 138     <table summary="" cellpadding="5" cellspacing="0">
 139     <tr>
 140       <td valign="top">
 141           <label for="removeselect"><?php print_string('existingmembers', 'group', $currentmemberscount); ?></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 $currentmembersoptions ?>
 148           </select></td>
 149       <td valign="top">
 150
 151         <p class="arrow_button">
 152             <input name="add" id="add" type="submit" value="<?php echo '&nbsp;'.$OUTPUT->larrow().' &nbsp; &nbsp; '.get_string('add'); ?>" title="<?php print_string('add'); ?>" />
 153             <br />
 154             <input name="remove" id="remove" type="submit" value="<?php echo '&nbsp; '.$OUTPUT->rarrow().' &nbsp; &nbsp; '.get_string('remove'); ?>" title="<?php print_string('remove'); ?>" />
 155         </p>
 156       </td>
 157       <td valign="top">
 158           <label for="addselect"><?php print_string('potentialmembers', 'group', $potentialmemberscount); ?></label>
 159           <br />
 160           <select name="addselect[]" size="20" id="addselect" multiple="multiple"
 161                   onfocus="document.getElementById('assignform').add.disabled=false;
 162                            document.getElementById('assignform').remove.disabled=true;
 163                            document.getElementById('assignform').removeselect.selectedIndex=-1;">
 164          <?php echo $potentialmembersoptions ?>
 165          </select>
 166          <br />
 167        </td>
 168     </tr>
 169     <tr><td>
 170         <input type="submit" name="cancel" value="<?php print_string('backtogroupings', 'group'); ?>" />
 171     </td></tr>
 172     </table>
 173     </div>
 174     </form>
 175 </div>
 176
 177 <?php
 178     echo $OUTPUT->footer();