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mod_form.php
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mod_form.php
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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/>.
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/course/moodleform_mod.php');
require_once($CFG->dirroot . '/mod/adaptivequiz/locallib.php');
use mod_adaptivequiz\local\repository\questions_repository;
/**
* Definition of activity settings form.
*
* @package mod_adaptivequiz
* @copyright 2013 Remote-Learner {@link http://www.remote-learner.ca/}
* @copyright 2022 onwards Vitaly Potenko <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_adaptivequiz_mod_form extends moodleform_mod {
/**
* Form definition.
*/
public function definition() {
$mform = $this->_form;
$pluginconfig = get_config('adaptivequiz');
// Adding the "general" fieldset, where all the common settings are showed.
$mform->addElement('header', 'general', get_string('general', 'form'));
// Adding the standard "name" field.
$mform->addElement('text', 'name', get_string('adaptivequizname', 'adaptivequiz'), ['size' => '64']);
if (!empty($CFG->formatstringstriptags)) {
$mform->setType('name', PARAM_TEXT);
} else {
$mform->setType('name', PARAM_CLEANHTML);
}
$mform->addRule('name', null, 'required', null, 'client');
$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$mform->addHelpButton('name', 'adaptivequizname', 'adaptivequiz');
// Adding the standard "intro" and "introformat" fields.
// Use the non deprecated function if it exists.
if (method_exists($this, 'standard_intro_elements')) {
$this->standard_intro_elements();
} else {
// Deprecated as of Moodle 2.9.
$this->add_intro_editor();
}
// Number of attempts.
$attemptoptions = ['0' => get_string('unlimited')];
for ($i = 1; $i <= ADAPTIVEQUIZMAXATTEMPT; $i++) {
$attemptoptions[$i] = $i;
}
$mform->addElement('select', 'attempts', get_string('attemptsallowed', 'adaptivequiz'), $attemptoptions);
$mform->setDefault('attempts', 0);
$mform->addHelpButton('attempts', 'attemptsallowed', 'adaptivequiz');
// Require password to begin adaptivequiz attempt.
$mform->addElement('passwordunmask', 'password', get_string('requirepassword', 'adaptivequiz'));
$mform->setType('password', PARAM_TEXT);
$mform->addHelpButton('password', 'requirepassword', 'adaptivequiz');
// Browser security choices.
$options = [
get_string('no'),
get_string('yes'),
];
$mform->addElement('select', 'browsersecurity', get_string('browsersecurity', 'adaptivequiz'), $options);
$mform->addHelpButton('browsersecurity', 'browsersecurity', 'adaptivequiz');
$mform->setDefault('browsersecurity', 0);
// Retireve a list of available course categories.
adaptivequiz_make_default_categories($this->context);
$options = adaptivequiz_get_question_categories($this->context);
$selquestcat = adaptivequiz_get_selected_question_cateogires($this->_instance);
$select = $mform->addElement('select', 'questionpool', get_string('questionpool', 'adaptivequiz'), $options);
$mform->addHelpButton('questionpool', 'questionpool', 'adaptivequiz');
$select->setMultiple(true);
$mform->addRule('questionpool', null, 'required', null, 'client');
$mform->getElement('questionpool')->setSelected($selquestcat);
$mform->addElement('text', 'startinglevel', get_string('startinglevel', 'adaptivequiz'),
['size' => '3', 'maxlength' => '3']);
$mform->addHelpButton('startinglevel', 'startinglevel', 'adaptivequiz');
$mform->addRule('startinglevel', get_string('formelementempty', 'adaptivequiz'), 'required', null, 'client');
$mform->addRule('startinglevel', get_string('formelementnumeric', 'adaptivequiz'), 'numeric', null, 'client');
$mform->setType('startinglevel', PARAM_INT);
$mform->setDefault('startinglevel', $pluginconfig->startinglevel);
$mform->addElement('text', 'lowestlevel', get_string('lowestlevel', 'adaptivequiz'),
['size' => '3', 'maxlength' => '3']);
$mform->addHelpButton('lowestlevel', 'lowestlevel', 'adaptivequiz');
$mform->addRule('lowestlevel', get_string('formelementempty', 'adaptivequiz'), 'required', null, 'client');
$mform->addRule('lowestlevel', get_string('formelementnumeric', 'adaptivequiz'), 'numeric', null, 'client');
$mform->setType('lowestlevel', PARAM_INT);
$mform->setDefault('lowestlevel', $pluginconfig->lowestlevel);
$mform->addElement('text', 'highestlevel', get_string('highestlevel', 'adaptivequiz'),
['size' => '3', 'maxlength' => '3']);
$mform->addHelpButton('highestlevel', 'highestlevel', 'adaptivequiz');
$mform->addRule('highestlevel', get_string('formelementempty', 'adaptivequiz'), 'required', null, 'client');
$mform->addRule('highestlevel', get_string('formelementnumeric', 'adaptivequiz'), 'numeric', null, 'client');
$mform->setType('highestlevel', PARAM_INT);
$mform->setDefault('highestlevel', $pluginconfig->highestlevel);
$mform->addElement('textarea', 'attemptfeedback', get_string('attemptfeedback', 'adaptivequiz'),
'wrap="virtual" rows="10" cols="50"');
$mform->addHelpButton('attemptfeedback', 'attemptfeedback', 'adaptivequiz');
$mform->setType('attemptfeedback', PARAM_NOTAGS);
$mform->addElement('select', 'showabilitymeasure', get_string('showabilitymeasure', 'adaptivequiz'),
[get_string('no'), get_string('yes')]);
$mform->addHelpButton('showabilitymeasure', 'showabilitymeasure', 'adaptivequiz');
$mform->setDefault('showabilitymeasure', 0);
$mform->addElement('select', 'showattemptprogress', get_string('modformshowattemptprogress', 'adaptivequiz'),
[get_string('no'), get_string('yes')]);
$mform->addHelpButton('showattemptprogress', 'modformshowattemptprogress', 'adaptivequiz');
$mform->setDefault('showattemptprogress', 0);
$mform->addElement('header', 'stopingconditionshdr', get_string('stopingconditionshdr', 'adaptivequiz'));
$mform->addElement('text', 'minimumquestions', get_string('minimumquestions', 'adaptivequiz'),
['size' => '3', 'maxlength' => '3']);
$mform->addHelpButton('minimumquestions', 'minimumquestions', 'adaptivequiz');
$mform->addRule('minimumquestions', get_string('formelementempty', 'adaptivequiz'), 'required', null, 'client');
$mform->addRule('minimumquestions', get_string('formelementnumeric', 'adaptivequiz'), 'numeric', null, 'client');
$mform->setType('minimumquestions', PARAM_INT);
$mform->setDefault('minimumquestions', $pluginconfig->minimumquestions);
$mform->addElement('text', 'maximumquestions', get_string('maximumquestions', 'adaptivequiz'),
['size' => '3', 'maxlength' => '3']);
$mform->addHelpButton('maximumquestions', 'maximumquestions', 'adaptivequiz');
$mform->addRule('maximumquestions', get_string('formelementempty', 'adaptivequiz'), 'required', null, 'client');
$mform->addRule('maximumquestions', get_string('formelementnumeric', 'adaptivequiz'), 'numeric', null, 'client');
$mform->setType('maximumquestions', PARAM_INT);
$mform->setDefault('maximumquestions', $pluginconfig->maximumquestions);
$mform->addElement('text', 'standarderror', get_string('standarderror', 'adaptivequiz'),
['size' => '10', 'maxlength' => '10']);
$mform->addHelpButton('standarderror', 'standarderror', 'adaptivequiz');
$mform->addRule('standarderror', get_string('formelementempty', 'adaptivequiz'), 'required', null, 'client');
$mform->addRule('standarderror', get_string('formelementdecimal', 'adaptivequiz'), 'numeric', null, 'client');
$mform->setType('standarderror', PARAM_FLOAT);
$mform->setDefault('standarderror', $pluginconfig->standarderror);
// Grade settings.
$this->standard_grading_coursemodule_elements();
$mform->removeElement('grade');
// Grading method.
$mform->addElement('select', 'grademethod', get_string('grademethod', 'adaptivequiz'),
adaptivequiz_get_grading_options());
$mform->addHelpButton('grademethod', 'grademethod', 'adaptivequiz');
$mform->setDefault('grademethod', ADAPTIVEQUIZ_GRADEHIGHEST);
$mform->disabledIf('grademethod', 'attempts', 'eq', 1);
// Add standard elements, common to all modules.
$this->standard_coursemodule_elements();
// Add standard buttons, common to all modules.
$this->add_action_buttons();
}
public function add_completion_rules(): array {
$form = $this->_form;
$form->addElement('checkbox', 'completionattemptcompleted', ' ',
get_string('completionattemptcompletedform', 'adaptivequiz'));
return ['completionattemptcompleted'];
}
public function completion_rule_enabled($data): bool {
if (!isset($data['completionattemptcompleted'])) {
return false;
}
return $data['completionattemptcompleted'] != 0;
}
/**
* Perform extra validation. @see validation() in moodleform_mod.php.
*
* @param array $data Array of submitted form values.
* @param array $files Array of file data.
* @return array Array of form elements that didn't pass validation.
* @throws coding_exception
* @throws dml_exception
*/
public function validation($data, $files) {
$errors = parent::validation($data, $files);
if (empty($data['questionpool'])) {
$errors['questionpool'] = get_string('formquestionpool', 'adaptivequiz');
}
// Validate for positivity.
if (0 >= $data['minimumquestions']) {
$errors['minimumquestions'] = get_string('formelementnegative', 'adaptivequiz');
}
if (0 >= $data['maximumquestions']) {
$errors['maximumquestions'] = get_string('formelementnegative', 'adaptivequiz');
}
if (0 >= $data['startinglevel']) {
$errors['startinglevel'] = get_string('formelementnegative', 'adaptivequiz');
}
if (0 >= $data['lowestlevel']) {
$errors['lowestlevel'] = get_string('formelementnegative', 'adaptivequiz');
}
if (0 >= $data['highestlevel']) {
$errors['highestlevel'] = get_string('formelementnegative', 'adaptivequiz');
}
if ((float) 0 > (float) $data['standarderror'] || (float) 50 <= (float) $data['standarderror']) {
$errors['standarderror'] = get_string('formstderror', 'adaptivequiz');
}
// Validate higher and lower values.
if ($data['minimumquestions'] >= $data['maximumquestions']) {
$errors['minimumquestions'] = get_string('formminquestgreaterthan', 'adaptivequiz');
}
if ($data['lowestlevel'] >= $data['highestlevel']) {
$errors['lowestlevel'] = get_string('formlowlevelgreaterthan', 'adaptivequiz');
}
if (!($data['startinglevel'] >= $data['lowestlevel'] && $data['startinglevel'] <= $data['highestlevel'])) {
$errors['startinglevel'] = get_string('formstartleveloutofbounds', 'adaptivequiz');
}
if ($questionspoolerrormsg = $this->validate_questions_pool($data['questionpool'], $data['startinglevel'])) {
$errors['questionpool'] = $questionspoolerrormsg;
}
return $errors;
}
/**
* @param int[] $qcategoryidlist A list of id of selected questions categories.
* @return string An error message if any.
* @throws coding_exception
*/
private function validate_questions_pool(array $qcategoryidlist, int $startinglevel): string {
return questions_repository::count_adaptive_questions_in_pool_with_level($qcategoryidlist, $startinglevel) > 0
? ''
: get_string('questionspoolerrornovalidstartingquestions', 'adaptivequiz');
}
}