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<?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 creating and editing groupings.
*
* @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
*/
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
}
require_once($CFG->dirroot.'/lib/formslib.php');
/**
* Grouping 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 grouping_form extends moodleform {
/**
* Form definition
*/
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('groupingname', 'group'),'maxlength="254" size="50"');
$mform->addRule('name', get_string('required'), 'required', null, 'server');
$mform->setType('name', PARAM_TEXT);
$mform->addElement('text','idnumber', get_string('idnumbergrouping'), 'maxlength="100" size="10"');
$mform->addHelpButton('idnumber', 'idnumbergrouping');
$mform->setType('idnumber', PARAM_RAW);
if (!has_capability('moodle/course:changeidnumber', $coursecontext)) {
$mform->hardFreeze('idnumber');
}
$mform->addElement('editor', 'description_editor', get_string('groupingdescription', 'group'), null, $editoroptions);
$mform->setType('description_editor', PARAM_RAW);
$mform->addElement('hidden','id');
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'courseid');
$mform->setType('courseid', PARAM_INT);
$this->add_action_buttons();
}
/**
* Form validation
*
* @param array $data
* @param array $files
* @return array $errors An array of validataion errors for the form.
*/
function validation($data, $files) {
global $COURSE, $DB;
$errors = parent::validation($data, $files);
$name = trim($data['name']);
if (isset($data['idnumber'])) {
$idnumber = trim($data['idnumber']);
} else {
$idnumber = '';
}
if ($data['id'] and $grouping = $DB->get_record('groupings', array('id'=>$data['id']))) {
if (core_text::strtolower($grouping->name) != core_text::strtolower($name)) {
if (groups_get_grouping_by_name($COURSE->id, $name)) {
$errors['name'] = get_string('groupingnameexists', 'group', $name);
}
}
if (!empty($idnumber) && $grouping->idnumber != $idnumber) {
if (groups_get_grouping_by_idnumber($COURSE->id, $idnumber)) {
$errors['idnumber']= get_string('idnumbertaken');
}
}
} else if (groups_get_grouping_by_name($COURSE->id, $name)) {
$errors['name'] = get_string('groupingnameexists', 'group', $name);
} else if (!empty($idnumber) && groups_get_grouping_by_idnumber($COURSE->id, $idnumber)) {
$errors['idnumber']= get_string('idnumbertaken');
}
return $errors;
}
}