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<?php
// This file is part of mod_grouptool for Moodle - http://moodle.org/
//
// It 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.
//
// It 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/>.
/**
* Contains mod_grouptool's groupings creation form
*
* @package mod_grouptool
* @author Philipp Hager
* @copyright 2014 Academic Moodle Cooperation {@link http://www.academic-moodle-cooperation.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_grouptool;
defined('MOODLE_INTERNAL') || die();
// Global variable $CFG is always set, but with this little wrapper PHPStorm won't give wrong error messages!
if (isset($CFG)) {
require_once($CFG->libdir . '/formslib.php');
require_once($CFG->dirroot . '/mod/grouptool/definitions.php');
require_once($CFG->dirroot . '/mod/grouptool/locallib.php');
}
/**
* class representing the moodleform used in the administration tab
*
* @package mod_grouptool
* @author Philipp Hager
* @copyright 2014 Academic Moodle Cooperation {@link http://www.academic-moodle-cooperation.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class groupings_creation_form extends \moodleform {
/** @var \context_module */
protected $context = null;
/**
* Definition of administration form
*
* @throws \coding_exception
* @throws \dml_exception
*/
protected function definition() {
global $DB;
$mform = $this->_form;
$mform->addElement('hidden', 'id');
$mform->setDefault('id', $this->_customdata['id']);
$mform->setType('id', PARAM_INT);
$this->context = \context_module::instance($this->_customdata['id']);
$cm = get_coursemodule_from_id('grouptool', $this->_customdata['id']);
$course = $DB->get_record('course', ['id' => $cm->course]);
foreach ($this->_customdata['selected'] as $select) {
$mform->addElement('hidden', 'selected['.$select.']');
$mform->setDefault('selected['.$select.']', $select);
$mform->setType('selected['.$select.']', PARAM_INT);
}
$mform->addElement('hidden', 'tab');
$mform->setDefault('tab', 'group_admin');
$mform->setType('tab', PARAM_TEXT);
$mform->addElement('hidden', 'courseid');
$mform->setDefault('courseid', $course->id);
$mform->setType('courseid', PARAM_INT);
$mform->addElement('hidden', 'bulkaction');
$mform->setDefault('bulkaction', 'grouping');
$mform->setType('bulkaction', PARAM_TEXT);
$mform->addElement('hidden', 'start_bulkaction');
$mform->setDefault('start_bulkaction', 1);
$mform->setType('start_bulkaction', PARAM_BOOL);
$groupingel = $mform->createElement('selectgroups', 'target', get_string('groupingselect', 'grouptool'));
$options = ['' => get_string('choose', 'grouptool')];
$options['-1'] = get_string('onenewgrouping', 'grouptool');
$options['-2'] = get_string('onenewgroupingpergroup', 'grouptool');
$groupingel->addOptGroup("", $options);
if ($groupings = groups_get_all_groupings($course->id)) {
$options = [];
foreach ($groupings as $grouping) {
$options[$grouping->id] = strip_tags(format_string($grouping->name));
}
$groupingel->addOptGroup("————————————————————————", $options);
}
$mform->addElement($groupingel);
$mform->addHelpButton('target', 'groupingselect', 'grouptool');
$mform->addElement('text', 'name', get_string('groupingname', 'group'));
$mform->setType('name', PARAM_TEXT);
$mform->hideIf ('name', 'target', 'noteq', '-1');
$grp = [];
$grp[] = $mform->createElement('submit', 'createGroupings', get_string('create_assign_groupings',
'grouptool'));
$grp[] = $mform->createElement('cancel');
$mform->addGroup($grp, 'actionbuttons', '', [' '], false);
$mform->setType('actionbuttons', PARAM_RAW);
}
/**
* Validation for administration-form
* If there are errors return array of errors ("fieldname"=>"error message"),
* otherwise true if ok.
*
* @param array $data array of ("fieldname"=>value) of submitted data
* @param array $files array of uploaded files "element_name"=>tmp_file_path
* @return array of "element_name"=>"error_description" if there are errors,
* or an empty array if everything is OK.
* @throws \coding_exception
*/
public function validation($data, $files) {
$parenterrors = parent::validation($data, $files);
$errors = [];
if (($data['target'] == -1) && empty($data['name'])) {
$errors['name'] = get_string('required');
}
if (($data['target'] == -1) && groups_get_grouping_by_name($data['courseid'], $data['name'])) {
$errors['name'] = get_string('groupingnameexists', 'group', $data['name']);
}
return array_merge($parenterrors, $errors);
}
}