mirror of
https://github.com/moodle/moodle.git
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159 lines
6.0 KiB
PHP
159 lines
6.0 KiB
PHP
<?php //$Id$
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.com //
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// //
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// Copyright (C) 1999 onwards Martin Dougiamas http://moodle.com //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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require_once $CFG->libdir.'/formslib.php';
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class edit_scale_form extends moodleform {
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function definition() {
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global $CFG;
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$mform =& $this->_form;
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// visible elements
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$mform->addElement('header', 'general', get_string('scale'));
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$mform->addElement('text', 'name', get_string('name'), 'size="40"');
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$mform->addRule('name', get_string('required'), 'required', null, 'client');
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$mform->setType('name', PARAM_TEXT);
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$mform->addElement('advcheckbox', 'standard', get_string('scalestandard'));
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$mform->setHelpButton('standard', array('scalestandard', get_string('scalestandard'), 'grade'));
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$mform->addElement('static', 'used', get_string('used'));
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$mform->addElement('textarea', 'scale', get_string('scale'), array('cols'=>50, 'rows'=>2));
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$mform->setHelpButton('scale', array('scales', get_string('scale')));
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$mform->addRule('scale', get_string('required'), 'required', null, 'client');
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$mform->setType('scale', PARAM_TEXT);
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$mform->addElement('htmleditor', 'description', get_string('description'), array('cols'=>80, 'rows'=>20));
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// hidden params
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$mform->addElement('hidden', 'id', 0);
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$mform->setType('id', PARAM_INT);
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$mform->addElement('hidden', 'courseid', 0);
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$mform->setType('courseid', PARAM_INT);
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/// add return tracking info
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$gpr = $this->_customdata['gpr'];
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$gpr->add_mform_elements($mform);
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//-------------------------------------------------------------------------------
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// buttons
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$this->add_action_buttons();
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}
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/// tweak the form - depending on existing data
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function definition_after_data() {
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global $CFG;
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$mform =& $this->_form;
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$courseid = $mform->getElementValue('courseid');
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if ($id = $mform->getElementValue('id')) {
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$scale = grade_scale::fetch(array('id'=>$id));
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$used = $scale->is_used();
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if ($used) {
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$mform->hardFreeze('scale');
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}
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if (empty($courseid)) {
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$mform->hardFreeze('standard');
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} else if (empty($scale->courseid) and !has_capability('moodle/course:managescales', get_context_instance(CONTEXT_SYSTEM))) {
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$mform->hardFreeze('standard');
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} else if ($used and !empty($scale->courseid)) {
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$mform->hardFreeze('standard');
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}
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$usedstr = $scale->is_used() ? get_string('yes') : get_string('no');
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$used_el =& $mform->getElement('used');
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$used_el->setValue($usedstr);
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} else {
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$mform->removeElement('used');
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if (empty($courseid) or !has_capability('moodle/course:managescales', get_context_instance(CONTEXT_SYSTEM))) {
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$mform->hardFreeze('standard');
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}
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}
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}
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/// perform extra validation before submission
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function validation($data, $files) {
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global $CFG, $COURSE, $DB;
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$errors = parent::validation($data, $files);
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// we can not allow 2 scales with the same exact scale as this creates
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// problems for backup/restore
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$old = grade_scale::fetch(array('id'=>$data['id']));
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if (array_key_exists('standard', $data)) {
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if (empty($data['standard'])) {
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$courseid = $COURSE->id;
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} else {
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$courseid = 0;
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}
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} else {
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$courseid = $old->courseid;
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}
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if (array_key_exists('scale', $data)) {
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$count = $DB->count_records('scale', array('courseid'=>$courseid, 'scale'=>$data['scale']));
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if (empty($old->id) or $old->courseid != $courseid) {
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if ($count) {
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$errors['scale'] = get_string('duplicatescale', 'grades');
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}
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} else if ($old->scale != $data['scale']) {
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if ($count) {
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$errors['scale'] = get_string('duplicatescale', 'grades');
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}
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}
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if (empty($data['scale'])) {
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$errors['scale'] = get_string('error');
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} else {
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$options = explode(',', $data['scale']);
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if (count($options) < 1) { // single-item scales are allowed, see MDL-16474
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$errors['scale'] = get_string('error');
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}
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}
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}
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return $errors;
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}
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}
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?>
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