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Differences Between: [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403]

   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();