/grade/edit/scale/edit_form.php
PHP | 164 lines | 91 code | 38 blank | 35 comment | 22 complexity | 749b2455cadcb56e9cf6f971213c22ec MD5 | raw file
Possible License(s): Apache-2.0, LGPL-2.1, BSD-3-Clause, MIT, GPL-3.0
- <?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/>.
- /**
- * Edit form for grade scales
- *
- * @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_scale_form extends moodleform {
- function definition() {
- global $CFG;
- $mform =& $this->_form;
- // visible elements
- $mform->addElement('header', 'general', get_string('scale'));
- $mform->addElement('text', 'name', get_string('name'), 'size="40"');
- $mform->addRule('name', get_string('required'), 'required', null, 'client');
- $mform->setType('name', PARAM_TEXT);
- $mform->addElement('advcheckbox', 'standard', get_string('scalestandard'));
- $mform->addHelpButton('standard', 'scalestandard');
- $mform->addElement('static', 'used', get_string('used'));
- $mform->addElement('textarea', 'scale', get_string('scale'), array('cols'=>50, 'rows'=>2));
- $mform->addHelpButton('scale', 'scale');
- $mform->addRule('scale', get_string('required'), 'required', null, 'client');
- $mform->setType('scale', PARAM_TEXT);
- $mform->addElement('editor', 'description_editor', get_string('description'), null, $this->_customdata['editoroptions']);
- // hidden params
- $mform->addElement('hidden', 'id', 0);
- $mform->setType('id', PARAM_INT);
- $mform->addElement('hidden', 'courseid', 0);
- $mform->setType('courseid', PARAM_INT);
- /// add return tracking info
- $gpr = $this->_customdata['gpr'];
- $gpr->add_mform_elements($mform);
- //-------------------------------------------------------------------------------
- // buttons
- $this->add_action_buttons();
- }
- /// tweak the form - depending on existing data
- function definition_after_data() {
- global $CFG;
- $mform =& $this->_form;
- $courseid = $mform->getElementValue('courseid');
- if ($id = $mform->getElementValue('id')) {
- $scale = grade_scale::fetch(array('id'=>$id));
- $used = $scale->is_used();
- if ($used) {
- $mform->hardFreeze('scale');
- }
- if (empty($courseid)) {
- $mform->hardFreeze('standard');
- } else if (!has_capability('moodle/course:managescales', context_system::instance())) {
- //if they dont have managescales at system level the shouldnt be allowed to make scales standard (or not standard)
- $mform->hardFreeze('standard');
- } else if ($used and !empty($scale->courseid)) {
- $mform->hardFreeze('standard');
- }
- $usedstr = $scale->is_used() ? get_string('yes') : get_string('no');
- $used_el =& $mform->getElement('used');
- $used_el->setValue($usedstr);
- } else {
- $mform->removeElement('used');
- if (empty($courseid) or !has_capability('moodle/course:managescales', context_system::instance())) {
- $mform->hardFreeze('standard');
- }
- }
- }
- /// perform extra validation before submission
- function validation($data, $files) {
- global $CFG, $COURSE, $DB;
- $errors = parent::validation($data, $files);
- // we can not allow 2 scales with the same exact scale as this creates
- // problems for backup/restore
- $old = grade_scale::fetch(array('id'=>$data['id']));
- if (array_key_exists('standard', $data)) {
- if (empty($data['standard'])) {
- $courseid = $COURSE->id;
- } else {
- $courseid = 0;
- }
- } else {
- $courseid = $old->courseid;
- }
- if (array_key_exists('scale', $data)) {
- $scalearray = explode(',', $data['scale']);
- $scalearray = array_map('trim', $scalearray);
- $scaleoptioncount = count($scalearray);
- if (count($scalearray) < 1) {
- $errors['scale'] = get_string('badlyformattedscale', 'grades');
- } else {
- $thescale = implode(',',$scalearray);
- //this check strips out whitespace from the scale we're validating but not from those already in the DB
- $count = $DB->count_records_select('scale', "courseid=:courseid AND ".$DB->sql_compare_text('scale', core_text::strlen($thescale)).'=:scale',
- array('courseid'=>$courseid, 'scale'=>$thescale));
- if ($count) {
- //if this is a new scale but we found a duplice in the DB
- //or we found a duplicate in another course report the error
- if (empty($old->id) or $old->courseid != $courseid) {
- $errors['scale'] = get_string('duplicatescale', 'grades');
- } else if ($old->scale !== $thescale and $old->scale !== $data['scale']) {
- //if the old scale from DB is different but we found a duplicate then we're trying to modify a scale to be a duplicate
- $errors['scale'] = get_string('duplicatescale', 'grades');
- }
- }
- }
- }
- return $errors;
- }
- }