Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.2.x will end 22 April 2024 (12 months).
  • Bug fixes for security issues in 4.2.x will end 7 October 2024 (18 months).
  • PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.1.x is supported too.
<?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;

> use core_group\visibility; 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);
> $visibilityoptions = [ // Group conversation messaging. > GROUPS_VISIBILITY_ALL => get_string('visibilityall', 'group'), if (\core_message\api::can_create_group_conversation($USER->id, $coursecontext)) { > GROUPS_VISIBILITY_MEMBERS => get_string('visibilitymembers', 'group'), $mform->addElement('selectyesno', 'enablemessaging', get_string('enablemessaging', 'group')); > GROUPS_VISIBILITY_OWN => get_string('visibilityown', 'group'), $mform->addHelpButton('enablemessaging', 'enablemessaging', 'group'); > GROUPS_VISIBILITY_NONE => get_string('visibilitynone', 'group') } > ]; > $mform->addElement('select', 'visibility', get_string('visibility', 'group'), $visibilityoptions); $mform->addElement('static', 'currentpicture', get_string('currentpicture')); > $mform->addHelpButton('visibility', 'visibility', 'group'); > $mform->setType('visibility', PARAM_INT); $mform->addElement('checkbox', 'deletepicture', get_string('delete')); > $mform->setDefault('deletepicture', 0); > $mform->addElement('advcheckbox', 'participation', '', get_string('participation', 'group')); > $mform->addHelpButton('participation', 'participation', 'group'); $options = array(get_string('no'), get_string('yes')); > $mform->setType('participation', PARAM_BOOL); $mform->addElement('select', 'hidepicture', get_string('hidepicture'), $options); > $mform->setDefault('participation', 1); > $mform->disabledIf('participation', 'visibility', 'in', [GROUPS_VISIBILITY_OWN, GROUPS_VISIBILITY_NONE]); $mform->addElement('filepicker', 'imagefile', get_string('newpicture', 'group')); >
$mform->addHelpButton('imagefile', 'newpicture', 'group');
> $mform->disabledIf('enablemessaging', 'visibility', 'in', [GROUPS_VISIBILITY_OWN, GROUPS_VISIBILITY_NONE]);
< $options = array(get_string('no'), get_string('yes')); < $mform->addElement('select', 'hidepicture', get_string('hidepicture'), $options); <
$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')) { $mform->removeElement('deletepicture'); }
> } } > > if ($DB->record_exists('groups_members', ['groupid' => $groupid])) { } > // If the group has members, lock visibility and participation fields. > /** @var MoodleQuickForm_select $visibility */ /** > $visibility = $mform->getElement('visibility'); * Form validation > $visibility->freeze(); * > /** @var MoodleQuickForm_advcheckbox $participation */ * @param array $data > $participation = $mform->getElement('participation'); * @param array $files > $participation->freeze();
* @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']; } }