forked from moodle/moodle
-
Notifications
You must be signed in to change notification settings - Fork 1
/
group_form.php
201 lines (171 loc) · 8.17 KB
/
group_form.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* A form for the creation and editing of groups.
*
* @copyright 2006 The Open University, N.D.Freear AT open.ac.uk, J.White AT open.ac.uk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package core_group
*/
defined('MOODLE_INTERNAL') || die;
require_once($CFG->dirroot.'/lib/formslib.php');
/**
* Group form class
*
* @copyright 2006 The Open University, N.D.Freear AT open.ac.uk, J.White AT open.ac.uk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package core_group
*/
class group_form extends moodleform {
/**
* Definition of the form
*/
function definition () {
global $USER, $CFG, $COURSE;
$coursecontext = context_course::instance($COURSE->id);
$mform =& $this->_form;
$editoroptions = $this->_customdata['editoroptions'];
$mform->addElement('header', 'general', get_string('general', 'form'));
$mform->addElement('text','name', get_string('groupname', 'group'),'maxlength="254" size="50"');
$mform->addRule('name', get_string('required'), 'required', null, 'client');
$mform->setType('name', PARAM_TEXT);
$mform->addElement('text','idnumber', get_string('idnumbergroup'), 'maxlength="100" size="10"');
$mform->addHelpButton('idnumber', 'idnumbergroup');
$mform->setType('idnumber', PARAM_RAW);
if (!has_capability('moodle/course:changeidnumber', $coursecontext)) {
$mform->hardFreeze('idnumber');
}
$mform->addElement('editor', 'description_editor', get_string('groupdescription', 'group'), null, $editoroptions);
$mform->setType('description_editor', PARAM_RAW);
$mform->addElement('passwordunmask', 'enrolmentkey', get_string('enrolmentkey', 'group'), 'maxlength="254" size="24"', get_string('enrolmentkey', 'group'));
$mform->addHelpButton('enrolmentkey', 'enrolmentkey', 'group');
$mform->setType('enrolmentkey', PARAM_RAW);
// Group conversation messaging.
if (\core_message\api::can_create_group_conversation($USER->id, $coursecontext)) {
$mform->addElement('selectyesno', 'enablemessaging', get_string('enablemessaging', 'group'));
$mform->addHelpButton('enablemessaging', 'enablemessaging', 'group');
}
$mform->addElement('static', 'currentpicture', get_string('currentpicture'));
$mform->addElement('checkbox', 'deletepicture', get_string('delete'));
$mform->setDefault('deletepicture', 0);
$mform->addElement('filepicker', 'imagefile', get_string('newpicture', 'group'));
$mform->addHelpButton('imagefile', 'newpicture', 'group');
$mform->addElement('hidden','id');
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden','courseid');
$mform->setType('courseid', PARAM_INT);
$this->add_action_buttons();
}
/**
* Extend the form definition after the data has been parsed.
*/
public function definition_after_data() {
global $COURSE, $DB, $USER;
$mform = $this->_form;
$groupid = $mform->getElementValue('id');
$coursecontext = context_course::instance($COURSE->id);
if ($group = $DB->get_record('groups', array('id' => $groupid))) {
// If can create group conversation then get if a conversation area exists and it is enabled.
if (\core_message\api::can_create_group_conversation($USER->id, $coursecontext)) {
if (\core_message\api::is_conversation_area_enabled('core_group', 'groups', $groupid, $coursecontext->id)) {
$mform->getElement('enablemessaging')->setSelected(1);
}
}
// Print picture.
if (!($pic = print_group_picture($group, $COURSE->id, true, true, false))) {
$pic = get_string('none');
if ($mform->elementExists('deletepicture')) {
$mform->removeElement('deletepicture');
}
}
$imageelement = $mform->getElement('currentpicture');
$imageelement->setValue($pic);
} else {
if ($mform->elementExists('currentpicture')) {
$mform->removeElement('currentpicture');
}
if ($mform->elementExists('deletepicture')) {
$mform->removeElement('deletepicture');
}
}
}
/**
* Form validation
*
* @param array $data
* @param array $files
* @return array $errors An array of errors
*/
function validation($data, $files) {
global $COURSE, $DB, $CFG;
$errors = parent::validation($data, $files);
$name = trim($data['name']);
if (isset($data['idnumber'])) {
$idnumber = trim($data['idnumber']);
} else {
$idnumber = '';
}
if ($data['id'] and $group = $DB->get_record('groups', array('id'=>$data['id']))) {
if (core_text::strtolower($group->name) != core_text::strtolower($name)) {
if (groups_get_group_by_name($COURSE->id, $name)) {
$errors['name'] = get_string('groupnameexists', 'group', $name);
}
}
if (!empty($idnumber) && $group->idnumber != $idnumber) {
if (groups_get_group_by_idnumber($COURSE->id, $idnumber)) {
$errors['idnumber']= get_string('idnumbertaken');
}
}
if ($data['enrolmentkey'] != '') {
$errmsg = '';
if (!empty($CFG->groupenrolmentkeypolicy) && $group->enrolmentkey !== $data['enrolmentkey']
&& !check_password_policy($data['enrolmentkey'], $errmsg)) {
// Enforce password policy when the password is changed.
$errors['enrolmentkey'] = $errmsg;
} else {
// Prevent twice the same enrolment key in course groups.
$sql = "SELECT id FROM {groups} WHERE id <> :groupid AND courseid = :courseid AND enrolmentkey = :key";
$params = array('groupid' => $data['id'], 'courseid' => $COURSE->id, 'key' => $data['enrolmentkey']);
if ($DB->record_exists_sql($sql, $params)) {
$errors['enrolmentkey'] = get_string('enrolmentkeyalreadyinuse', 'group');
}
}
}
} else if (groups_get_group_by_name($COURSE->id, $name)) {
$errors['name'] = get_string('groupnameexists', 'group', $name);
} else if (!empty($idnumber) && groups_get_group_by_idnumber($COURSE->id, $idnumber)) {
$errors['idnumber']= get_string('idnumbertaken');
} else if ($data['enrolmentkey'] != '') {
$errmsg = '';
if (!empty($CFG->groupenrolmentkeypolicy) && !check_password_policy($data['enrolmentkey'], $errmsg)) {
// Enforce password policy.
$errors['enrolmentkey'] = $errmsg;
} else if ($DB->record_exists('groups', array('courseid' => $COURSE->id, 'enrolmentkey' => $data['enrolmentkey']))) {
// Prevent the same enrolment key from being used multiple times in course groups.
$errors['enrolmentkey'] = get_string('enrolmentkeyalreadyinuse', 'group');
}
}
return $errors;
}
/**
* Get editor options for this form
*
* @return array An array of options
*/
function get_editor_options() {
return $this->_customdata['editoroptions'];
}
}