group/members.php

   1 <?php
   2 /**
   3  * Add/remove members from group.
   4  *
   5  * @copyright &copy; 2006 The Open University and others
   6  * @author N.D.Freear AT open.ac.uk
   7  * @author J.White AT open.ac.uk and others
   8  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   9  * @package groups
  10  */
  11 require_once(dirname(__FILE__) . '/../config.php');
  12 require_once(dirname(__FILE__) . '/lib.php');
  13 require_once($CFG->dirroot . '/user/selector/lib.php');
  14 require_once($CFG->dirroot . '/course/lib.php');
  15 require_once($CFG->libdir . '/filelib.php');
  16
  17 $groupid = required_param('group', PARAM_INT);
  18 $cancel  = optional_param('cancel', false, PARAM_BOOL);
  19
  20 $group = $DB->get_record('groups', array('id'=>$groupid), '*', MUST_EXIST);
  21 $course = $DB->get_record('course', array('id'=>$group->courseid), '*', MUST_EXIST);
  22
  23 $PAGE->set_url('/group/members.php', array('group'=>$groupid));
  24 $PAGE->set_pagelayout('standard');
  25
  26 require_login($course);
  27 $context = get_context_instance(CONTEXT_COURSE, $course->id);
  28 require_capability('moodle/course:managegroups', $context);
  29
  30 $returnurl = $CFG->wwwroot.'/group/index.php?id='.$course->id.'&group='.$group->id;
  31
  32 if ($cancel) {
  33     redirect($returnurl);
  34 }
  35
  36 $groupmembersselector = new group_members_selector('removeselect', array('groupid' => $groupid, 'courseid' => $course->id));
  37 $groupmembersselector->set_extra_fields(array());
  38 $potentialmembersselector = new group_non_members_selector('addselect', array('groupid' => $groupid, 'courseid' => $course->id));
  39 $potentialmembersselector->set_extra_fields(array());
  40
  41 if (optional_param('add', false, PARAM_BOOL) && confirm_sesskey()) {
  42     $userstoadd = $potentialmembersselector->get_selected_users();
  43     if (!empty($userstoadd)) {
  44         foreach ($userstoadd as $user) {
  45             if (!groups_add_member($groupid, $user->id)) {
  46                 print_error('erroraddremoveuser', 'group', $returnurl);
  47             }
  48             $groupmembersselector->invalidate_selected_users();
  49             $potentialmembersselector->invalidate_selected_users();
  50         }
  51     }
  52 }
  53
  54 if (optional_param('remove', false, PARAM_BOOL) && confirm_sesskey()) {
  55     $userstoremove = $groupmembersselector->get_selected_users();
  56     if (!empty($userstoremove)) {
  57         foreach ($userstoremove as $user) {
  58             if (!groups_remove_member($groupid, $user->id)) {
  59                 print_error('erroraddremoveuser', 'group', $returnurl);
  60             }
  61             $groupmembersselector->invalidate_selected_users();
  62             $potentialmembersselector->invalidate_selected_users();
  63         }
  64     }
  65 }
  66
  67 // Print the page and form
  68 $strgroups = get_string('groups');
  69 $strparticipants = get_string('participants');
  70 $stradduserstogroup = get_string('adduserstogroup', 'group');
  71 $strusergroupmembership = get_string('usergroupmembership', 'group');
  72
  73 $groupname = format_string($group->name);
  74
  75 $PAGE->requires->yui2_lib('connection');
  76 $PAGE->requires->js('/group/clientlib.js');
  77 $PAGE->navbar->add($strparticipants, new moodle_url('/user/index.php', array('id'=>$course->id)));
  78 $PAGE->navbar->add($strgroups, new moodle_url('/group/index.php', array('id'=>$course->id)));
  79 $PAGE->navbar->add($stradduserstogroup);
  80
  81 /// Print header
  82 $PAGE->set_title("$course->shortname: $strgroups");
  83 $PAGE->set_heading($course->fullname);
  84 echo $OUTPUT->header();
  85 echo $OUTPUT->heading(get_string('adduserstogroup', 'group').": $groupname", 3);
  86
  87 /// Print group info -  TODO: remove tables for layout here
  88 $groupinfotable = new html_table();
  89 $groupinfotable->attributes['class'] = 'groupinfobox';
  90 $picturecell = new html_table_cell();
  91 $picturecell->attributes['class'] = 'left side picture';
  92 $picturecell->text = print_group_picture($group, $course->id, true, true, false);
  93
  94 $contentcell = new html_table_cell();
  95 $contentcell->attributes['class'] = 'content';
  96
  97 $group->description = file_rewrite_pluginfile_urls($group->description, 'pluginfile.php', $context->id, 'group', 'description', $group->id);
  98 if (!isset($group->descriptionformat)) {
  99     $group->descriptionformat = FORMAT_MOODLE;
 100 }
 101 $options = new stdClass;
 102 $options->overflowdiv = true;
 103 $contentcell->text = format_text($group->description, $group->descriptionformat, $options);
 104 $groupinfotable->data[] = new html_table_row(array($picturecell, $contentcell));
 105 echo html_writer::table($groupinfotable);
 106
 107 /// Print the editing form
 108 ?>
 109
 110 <div id="addmembersform">
 111     <form id="assignform" method="post" action="<?php echo $CFG->wwwroot; ?>/group/members.php?group=<?php echo $groupid; ?>">
 112     <div>
 113     <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
 114
 115     <table class="generaltable generalbox groupmanagementtable boxaligncenter" summary="">
 116     <tr>
 117       <td id='existingcell'>
 118           <p>
 119             <label for="removeselect"><?php print_string('groupmembers', 'group'); ?></label>
 120           </p>
 121           <?php $groupmembersselector->display(); ?>
 122           </td>
 123       <td id='buttonscell'>
 124         <p class="arrow_button">
 125             <input name="add" id="add" type="submit" value="<?php echo $OUTPUT->larrow().'&nbsp;'.get_string('add'); ?>" title="<?php print_string('add'); ?>" /><br />
 126             <input name="remove" id="remove" type="submit" value="<?php echo get_string('remove').'&nbsp;'.$OUTPUT->rarrow(); ?>" title="<?php print_string('remove'); ?>" />
 127         </p>
 128       </td>
 129       <td id='potentialcell'>
 130           <p>
 131             <label for="addselect"><?php print_string('potentialmembs', 'group'); ?></label>
 132           </p>
 133           <?php $potentialmembersselector->display(); ?>
 134       </td>
 135       <td>
 136         <p><?php echo($strusergroupmembership) ?></p>
 137         <div id="group-usersummary"></div>
 138       </td>
 139     </tr>
 140     <tr><td colspan="3" id='backcell'>
 141         <input type="submit" name="cancel" value="<?php print_string('backtogroups', 'group'); ?>" />
 142     </td></tr>
 143     </table>
 144     </div>
 145     </form>
 146 </div>
 147
 148 <?php
 149     //outputs the JS array used to display the other groups users are in
 150     $potentialmembersselector->print_user_summaries($course->id);
 151
 152     //this must be after calling display() on the selectors so their setup JS executes first
 153     $PAGE->requires->js_init_call('init_add_remove_members_page', null, false, $potentialmembersselector->get_js_module());
 154
 155     echo $OUTPUT->footer();