One more default and useless comment deleted. MDL-11385
[moodle.git] / group / members.php
CommitLineData
62d63838 1<?php
2/**
3 * Add/remove members from group.
4 *
5 * @copyright &copy; 2006 The Open University
6 * @author N.D.Freear AT open.ac.uk
7 * @author J.White AT open.ac.uk
8 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
9 * @package groups
10 */
11require_once('../config.php');
12require_once('lib.php');
13
14define("MAX_USERS_PER_PAGE", 5000);
15
16$groupid = required_param('group', PARAM_INT);
17$searchtext = optional_param('searchtext', '', PARAM_RAW); // search string
18$showall = optional_param('showall', 0, PARAM_BOOL);
19
20if ($showall) {
21 $searchtext = '';
22}
23
24if (!$group = get_record('groups', 'id', $groupid)) {
25 error('Incorrect group id');
26}
27
28if (!$course = get_record('course', 'id', $group->courseid)) {
29 print_error('invalidcourse');
30}
31$courseid = $course->id;
32
33require_login($course);
34$context = get_context_instance(CONTEXT_COURSE, $courseid);
35require_capability('moodle/course:managegroups', $context);
36
37$strsearch = get_string('search');
38$strshowall = get_string('showall');
39$returnurl = $CFG->wwwroot.'/group/index.php?id='.$courseid.'&group='.$group->id;
40
41
42if ($frm = data_submitted() and confirm_sesskey()) {
43
44 if (isset($frm->cancel)) {
45 redirect($returnurl);
46
47 } else if (isset($frm->add) and !empty($frm->addselect)) {
48
49 foreach ($frm->addselect as $userid) {
50 if (! $userid = clean_param($userid, PARAM_INT)) {
51 continue;
52 }
53 if (!groups_add_member($groupid, $userid)) {
54 print_error('erroraddremoveuser', 'group', $returnurl);
55 }
56 }
57
58 } else if (isset($frm->remove) and !empty($frm->removeselect)) {
59
60 foreach ($frm->removeselect as $userid) {
61 if (! $userid = clean_param($userid, PARAM_INT)) {
62 continue;
63 }
64 if (!groups_remove_member($groupid, $userid)) {
65 print_error('erroraddremoveuser', 'group', $returnurl);
66 }
67
68 // MDL-9983
69 $eventdata = new object();
70 $eventdata -> groupid = $groupid;
71 $eventdata -> userid = $userid;
72 events_trigger('group_user_removed', $eventdata);
73 }
74 }
75}
76
77$groupmembersoptions = '';
78$groupmemberscount = 0;
79
80if ($groupmembers = groups_get_members($groupid)) {
81 foreach($groupmembers as $member) {
82 $groupmembersoptions .= '<option value="'.$member->id.'">'.fullname($member, true).'</option>';
83 $groupmemberscount ++;
84 }
85
86} else {
87 $groupmembersoptions .= '<option>&nbsp;</option>';
88}
89
90$potentialmembers = array();
91$potentialmembersoptions = '';
92$potentialmemberscount = 0;
93
94$potentialmembers = groups_get_users_not_in_group($courseid, $groupid, $searchtext);
95if (!empty($potentialmembers)) {
96 $potentialmemberscount = count($potentialmembers);
97} else {
98 $potentialmemberscount = 0;
99}
100if ($potentialmemberscount <= MAX_USERS_PER_PAGE) {
101
102 if ($potentialmembers != false) {
103 // Put the groupings into a hash and sorts them
104 foreach ($potentialmembers as $userid => $user) {
105 $nonmembers[$userid] = fullname($user);
106 }
107 natcasesort($nonmembers);
108
109 // Print out the HTML
110 foreach($nonmembers as $id => $name) {
111 $potentialmembersoptions .= "<option value=\"$id\">$name</option>\n";
112 }
113 } else {
114 $potentialmembersoptions .= '<option>&nbsp;</option>';
115 }
116}
117
118// Print the page and form
119$strgroups = get_string('groups');
120$strparticipants = get_string('participants');
0be6f678 121$stradduserstogroup = get_string('adduserstogroup', 'group');
62d63838 122
123$groupname = format_string($group->name);
124
0be6f678 125$navlinks = array();
126$navlinks[] = array('name' => $strparticipants, 'link' => "$CFG->wwwroot/user/index.php?id=$courseid", 'type' => 'misc');
127$navlinks[] = array('name' => $strgroups, 'link' => "$CFG->wwwroot/group/index.php?id=$courseid", 'type' => 'misc');
128$navlinks[] = array('name' => $stradduserstogroup, 'link' => null, 'type' => 'misc');
129$navigation = build_navigation($navlinks);
130
131print_header("$course->shortname: $strgroups", $course->fullname, $navigation, '', '', true, '', user_login_string($course, $USER));
62d63838 132
133?>
134<div id="addmembersform">
135 <h3 class="main"><?php print_string('adduserstogroup', 'group'); echo ": $groupname"; ?></h3>
136
137 <form id="assignform" method="post" action="members.php">
138 <div>
139 <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
140 <input type="hidden" name="group" value="<?php echo $groupid; ?>" />
141
142 <table summary="" cellpadding="5" cellspacing="0">
143 <tr>
144 <td valign="top">
145 <label for="removeselect"><?php print_string('existingmembers', 'group', $groupmemberscount); //count($contextusers) ?></label>
146 <br />
147 <select name="removeselect[]" size="20" id="removeselect" multiple="multiple"
148 onfocus="document.getElementById('assignform').add.disabled=true;
149 document.getElementById('assignform').remove.disabled=false;
150 document.getElementById('assignform').addselect.selectedIndex=-1;">
151 <?php echo $groupmembersoptions ?>
152 </select></td>
153 <td valign="top">
154<?php // Hidden assignment? ?>
155
156 <?php check_theme_arrows(); ?>
157 <p class="arrow_button">
158 <input name="add" id="add" type="submit" value="<?php echo '&nbsp;'.$THEME->larrow.' &nbsp; &nbsp; '.get_string('add'); ?>" title="<?php print_string('add'); ?>" />
159 <br />
160 <input name="remove" id="remove" type="submit" value="<?php echo '&nbsp; '.$THEME->rarrow.' &nbsp; &nbsp; '.get_string('remove'); ?>" title="<?php print_string('remove'); ?>" />
161 </p>
162 </td>
163 <td valign="top">
164 <label for="addselect"><?php print_string('potentialmembers', 'group', $potentialmemberscount); //$usercount ?></label>
165 <br />
166 <select name="addselect[]" size="20" id="addselect" multiple="multiple"
167 onfocus="document.getElementById('assignform').add.disabled=false;
168 document.getElementById('assignform').remove.disabled=true;
169 document.getElementById('assignform').removeselect.selectedIndex=-1;">
170 <?php
171 if ($potentialmemberscount > MAX_USERS_PER_PAGE) {
172 echo '<optgroup label="'.get_string('toomanytoshow').'"><option></option></optgroup>'."\n"
173 .'<optgroup label="'.get_string('trysearching').'"><option></option></optgroup>'."\n";
174 } else {
175 echo $potentialmembersoptions;
176 }
177 ?>
178 </select>
179 <br />
180 <label for="searchtext" class="accesshide"><?php p($strsearch) ?></label>
181 <input type="text" name="searchtext" id="searchtext" size="30" value="<?php p($searchtext, true) ?>"
182 onfocus ="getElementById('assignform').add.disabled=true;
183 getElementById('assignform').remove.disabled=true;
184 getElementById('assignform').removeselect.selectedIndex=-1;
185 getElementById('assignform').addselect.selectedIndex=-1;"
186 onkeydown = "var keyCode = event.which ? event.which : event.keyCode;
187 if (keyCode == 13) {
188 getElementById('assignform').previoussearch.value=1;
189 getElementById('assignform').submit();
190 } " />
191 <input name="search" id="search" type="submit" value="<?php p($strsearch) ?>" />
192 <?php
193 if (!empty($searchtext)) {
194 echo '<input name="showall" id="showall" type="submit" value="'.$strshowall.'" />'."\n";
195 }
196 ?>
197 </td>
198 </tr>
199 <tr><td>
200 <input type="submit" name="cancel" value="<?php print_string('backtogroups', 'group'); ?>" />
201 </td></tr>
202 </table>
203 </div>
204 </form>
205</div>
206
207<?php
208 print_footer($course);
209?>