Current Path : C:/xampp/htdocs/moodle/grade/edit/tree/ |
Current File : C:/xampp/htdocs/moodle/grade/edit/tree/calculation_form.php |
<?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 moodleform to allow the editing of a calculated grade item * * @package core_grades * @copyright 2007 Petr Skoda * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ if (!defined('MOODLE_INTERNAL')) { die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page } require_once $CFG->libdir.'/formslib.php'; class edit_calculation_form extends moodleform { public $available; public $noidnumbers; function definition() { global $COURSE; $mform =& $this->_form; $itemid = $this->_customdata['itemid']; $this->available = grade_item::fetch_all(array('courseid'=>$COURSE->id)); $this->noidnumbers = array(); // All items that have no idnumbers are added to a separate section of the form (hidden by default), // enabling the user to assign idnumbers to these grade_items. foreach ($this->available as $item) { if (empty($item->idnumber)) { $this->noidnumbers[$item->id] = $item; unset($this->available[$item->id]); } if ($item->id == $itemid) { // Do not include the current grade_item in the available section unset($this->available[$item->id]); } } /// visible elements $mform->addElement('header', 'general', get_string('gradeitem', 'grades')); $mform->addElement('static', 'itemname', get_string('itemname', 'grades')); $mform->addElement('textarea', 'calculation', get_string('calculation', 'grades'), 'cols="60" rows="5"'); $mform->addHelpButton('calculation', 'calculation', 'grades'); $mform->setForceLtr('calculation'); /// hidden params $mform->addElement('hidden', 'id', 0); $mform->setType('id', PARAM_INT); $mform->addElement('hidden', 'courseid', 0); $mform->setType('courseid', PARAM_INT); $mform->addElement('hidden', 'section', 0); $mform->setType('section', PARAM_ALPHA); $mform->setDefault('section', 'calculation'); /// add return tracking info $gpr = $this->_customdata['gpr']; $gpr->add_mform_elements($mform); $this->add_action_buttons(); } function definition_after_data() { global $CFG, $COURSE; $mform =& $this->_form; } /// perform extra validation before submission function validation($data, $files) { $errors = parent::validation($data, $files); $mform =& $this->_form; // check the calculation formula if ($data['calculation'] != '') { $grade_item = grade_item::fetch(array('id'=>$data['id'], 'courseid'=>$data['courseid'])); $calculation = calc_formula::unlocalize(stripslashes($data['calculation'])); $result = $grade_item->validate_formula($calculation); if ($result !== true) { $errors['calculation'] = $result; } } return $errors; } }