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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/>.
/**
* This file contains the forms to create and edit an instance of this module
*
* @package mod_assign
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
/** Include formslib.php */
require_once ($CFG->libdir.'/formslib.php');
/** Include locallib.php */
require_once($CFG->dirroot . '/mod/assign/locallib.php');
/** Required for advanced grading */
require_once('HTML/QuickForm/input.php');
/**
* Assignment grade form
*
* @package mod_assign
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_assign_grade_form extends moodleform {
/** @var assignment $assignment */
private $assignment;
/**
* Define the form - called by parent constructor
*/
function definition() {
$mform = $this->_form;
list($assignment, $data, $params) = $this->_customdata;
// visible elements
$this->assignment = $assignment;
$assignment->add_grade_form_elements($mform, $data, $params);
if ($data) {
$this->set_data($data);
}
}
/**
* This is required so when using "Save and next", each form is not defaulted to the previous form.
* Giving each form a unique identitifer is enough to prevent this (include the rownum in the form name).
*
* @return string - The unique identifier for this form.
*/
protected function get_form_identifier() {
$params = $this->_customdata[2];
return get_class($this) . '_' . $params['rownum'];
}
/**
* Perform minimal validation on the grade form
* @param array $data
* @param array $files
*/
function validation($data, $files) {
global $DB;
$errors = parent::validation($data, $files);
// advanced grading
if (!array_key_exists('grade', $data)) {
return $errors;
}
if ($this->assignment->get_instance()->grade > 0) {
if (unformat_float($data['grade']) === null && (!empty($data['grade']))) {
$errors['grade'] = get_string('invalidfloatforgrade', 'assign', $data['grade']);
} else if (unformat_float($data['grade']) > $this->assignment->get_instance()->grade) {
$errors['grade'] = get_string('gradeabovemaximum', 'assign', $this->assignment->get_instance()->grade);
} else if (unformat_float($data['grade']) < 0) {
$errors['grade'] = get_string('gradebelowzero', 'assign');
}
} else {
// this is a scale
if ($scale = $DB->get_record('scale', array('id'=>-($this->assignment->get_instance()->grade)))) {
$scaleoptions = make_menu_from_list($scale->scale);
if (!array_key_exists((int)$data['grade'], $scaleoptions)) {
$errors['grade'] = get_string('invalidgradeforscale', 'assign');
}
}
}
return $errors;
}
}
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