/mod/quiz/mod_form.php
PHP | 663 lines | 452 code | 95 blank | 116 comment | 80 complexity | 4eaf9aad5f5b8647ef2b74576eeb2620 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/>.
- /**
- * Defines the quiz module ettings form.
- *
- * @package mod_quiz
- * @copyright 2006 Jamie Pratt
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- defined('MOODLE_INTERNAL') || die();
- require_once($CFG->dirroot . '/course/moodleform_mod.php');
- require_once($CFG->dirroot . '/mod/quiz/locallib.php');
- /**
- * Settings form for the quiz module.
- *
- * @copyright 2006 Jamie Pratt
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- class mod_quiz_mod_form extends moodleform_mod {
- /** @var array options to be used with date_time_selector fields in the quiz. */
- public static $datefieldoptions = array('optional' => true);
- protected $_feedbacks;
- protected static $reviewfields = array(); // Initialised in the constructor.
- /** @var int the max number of attempts allowed in any user or group override on this quiz. */
- protected $maxattemptsanyoverride = null;
- public function __construct($current, $section, $cm, $course) {
- self::$reviewfields = array(
- 'attempt' => array('theattempt', 'quiz'),
- 'correctness' => array('whethercorrect', 'question'),
- 'marks' => array('marks', 'quiz'),
- 'specificfeedback' => array('specificfeedback', 'question'),
- 'generalfeedback' => array('generalfeedback', 'question'),
- 'rightanswer' => array('rightanswer', 'question'),
- 'overallfeedback' => array('reviewoverallfeedback', 'quiz'),
- );
- parent::__construct($current, $section, $cm, $course);
- }
- protected function definition() {
- global $COURSE, $CFG, $DB, $PAGE;
- $quizconfig = get_config('quiz');
- $mform = $this->_form;
- // -------------------------------------------------------------------------------
- $mform->addElement('header', 'general', get_string('general', 'form'));
- // Name.
- $mform->addElement('text', 'name', get_string('name'), array('size'=>'64'));
- if (!empty($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');
- // Introduction.
- $this->standard_intro_elements(get_string('introduction', 'quiz'));
- // -------------------------------------------------------------------------------
- $mform->addElement('header', 'timing', get_string('timing', 'quiz'));
- // Open and close dates.
- $mform->addElement('date_time_selector', 'timeopen', get_string('quizopen', 'quiz'),
- self::$datefieldoptions);
- $mform->addHelpButton('timeopen', 'quizopenclose', 'quiz');
- $mform->addElement('date_time_selector', 'timeclose', get_string('quizclose', 'quiz'),
- self::$datefieldoptions);
- // Time limit.
- $mform->addElement('duration', 'timelimit', get_string('timelimit', 'quiz'),
- array('optional' => true));
- $mform->addHelpButton('timelimit', 'timelimit', 'quiz');
- // What to do with overdue attempts.
- $mform->addElement('select', 'overduehandling', get_string('overduehandling', 'quiz'),
- quiz_get_overdue_handling_options());
- $mform->addHelpButton('overduehandling', 'overduehandling', 'quiz');
- // TODO Formslib does OR logic on disableif, and we need AND logic here.
- // $mform->disabledIf('overduehandling', 'timelimit', 'eq', 0);
- // $mform->disabledIf('overduehandling', 'timeclose', 'eq', 0);
- // Grace period time.
- $mform->addElement('duration', 'graceperiod', get_string('graceperiod', 'quiz'),
- array('optional' => true));
- $mform->addHelpButton('graceperiod', 'graceperiod', 'quiz');
- $mform->hideIf('graceperiod', 'overduehandling', 'neq', 'graceperiod');
- // -------------------------------------------------------------------------------
- // Grade settings.
- $this->standard_grading_coursemodule_elements();
- $mform->removeElement('grade');
- if (property_exists($this->current, 'grade')) {
- $currentgrade = $this->current->grade;
- } else {
- $currentgrade = $quizconfig->maximumgrade;
- }
- $mform->addElement('hidden', 'grade', $currentgrade);
- $mform->setType('grade', PARAM_FLOAT);
- // Number of attempts.
- $attemptoptions = array('0' => get_string('unlimited'));
- for ($i = 1; $i <= QUIZ_MAX_ATTEMPT_OPTION; $i++) {
- $attemptoptions[$i] = $i;
- }
- $mform->addElement('select', 'attempts', get_string('attemptsallowed', 'quiz'),
- $attemptoptions);
- // Grading method.
- $mform->addElement('select', 'grademethod', get_string('grademethod', 'quiz'),
- quiz_get_grading_options());
- $mform->addHelpButton('grademethod', 'grademethod', 'quiz');
- if ($this->get_max_attempts_for_any_override() < 2) {
- $mform->hideIf('grademethod', 'attempts', 'eq', 1);
- }
- // -------------------------------------------------------------------------------
- $mform->addElement('header', 'layouthdr', get_string('layout', 'quiz'));
- $pagegroup = array();
- $pagegroup[] = $mform->createElement('select', 'questionsperpage',
- get_string('newpage', 'quiz'), quiz_questions_per_page_options(), array('id' => 'id_questionsperpage'));
- $mform->setDefault('questionsperpage', $quizconfig->questionsperpage);
- if (!empty($this->_cm)) {
- $pagegroup[] = $mform->createElement('checkbox', 'repaginatenow', '',
- get_string('repaginatenow', 'quiz'), array('id' => 'id_repaginatenow'));
- }
- $mform->addGroup($pagegroup, 'questionsperpagegrp',
- get_string('newpage', 'quiz'), null, false);
- $mform->addHelpButton('questionsperpagegrp', 'newpage', 'quiz');
- $mform->setAdvanced('questionsperpagegrp', $quizconfig->questionsperpage_adv);
- // Navigation method.
- $mform->addElement('select', 'navmethod', get_string('navmethod', 'quiz'),
- quiz_get_navigation_options());
- $mform->addHelpButton('navmethod', 'navmethod', 'quiz');
- // -------------------------------------------------------------------------------
- $mform->addElement('header', 'interactionhdr', get_string('questionbehaviour', 'quiz'));
- // Shuffle within questions.
- $mform->addElement('selectyesno', 'shuffleanswers', get_string('shufflewithin', 'quiz'));
- $mform->addHelpButton('shuffleanswers', 'shufflewithin', 'quiz');
- // How questions behave (question behaviour).
- if (!empty($this->current->preferredbehaviour)) {
- $currentbehaviour = $this->current->preferredbehaviour;
- } else {
- $currentbehaviour = '';
- }
- $behaviours = question_engine::get_behaviour_options($currentbehaviour);
- $mform->addElement('select', 'preferredbehaviour',
- get_string('howquestionsbehave', 'question'), $behaviours);
- $mform->addHelpButton('preferredbehaviour', 'howquestionsbehave', 'question');
- // Can redo completed questions.
- $redochoices = array(0 => get_string('no'), 1 => get_string('canredoquestionsyes', 'quiz'));
- $mform->addElement('select', 'canredoquestions', get_string('canredoquestions', 'quiz'), $redochoices);
- $mform->addHelpButton('canredoquestions', 'canredoquestions', 'quiz');
- foreach ($behaviours as $behaviour => $notused) {
- if (!question_engine::can_questions_finish_during_the_attempt($behaviour)) {
- $mform->hideIf('canredoquestions', 'preferredbehaviour', 'eq', $behaviour);
- }
- }
- // Each attempt builds on last.
- $mform->addElement('selectyesno', 'attemptonlast',
- get_string('eachattemptbuildsonthelast', 'quiz'));
- $mform->addHelpButton('attemptonlast', 'eachattemptbuildsonthelast', 'quiz');
- if ($this->get_max_attempts_for_any_override() < 2) {
- $mform->hideIf('attemptonlast', 'attempts', 'eq', 1);
- }
- // -------------------------------------------------------------------------------
- $mform->addElement('header', 'reviewoptionshdr',
- get_string('reviewoptionsheading', 'quiz'));
- $mform->addHelpButton('reviewoptionshdr', 'reviewoptionsheading', 'quiz');
- // Review options.
- $this->add_review_options_group($mform, $quizconfig, 'during',
- mod_quiz_display_options::DURING, true);
- $this->add_review_options_group($mform, $quizconfig, 'immediately',
- mod_quiz_display_options::IMMEDIATELY_AFTER);
- $this->add_review_options_group($mform, $quizconfig, 'open',
- mod_quiz_display_options::LATER_WHILE_OPEN);
- $this->add_review_options_group($mform, $quizconfig, 'closed',
- mod_quiz_display_options::AFTER_CLOSE);
- foreach ($behaviours as $behaviour => $notused) {
- $unusedoptions = question_engine::get_behaviour_unused_display_options($behaviour);
- foreach ($unusedoptions as $unusedoption) {
- $mform->disabledIf($unusedoption . 'during', 'preferredbehaviour',
- 'eq', $behaviour);
- }
- }
- $mform->disabledIf('attemptduring', 'preferredbehaviour',
- 'neq', 'wontmatch');
- $mform->disabledIf('overallfeedbackduring', 'preferredbehaviour',
- 'neq', 'wontmatch');
- foreach (self::$reviewfields as $field => $notused) {
- $mform->disabledIf($field . 'closed', 'timeclose[enabled]');
- }
- // -------------------------------------------------------------------------------
- $mform->addElement('header', 'display', get_string('appearance'));
- // Show user picture.
- $mform->addElement('select', 'showuserpicture', get_string('showuserpicture', 'quiz'),
- quiz_get_user_image_options());
- $mform->addHelpButton('showuserpicture', 'showuserpicture', 'quiz');
- // Overall decimal points.
- $options = array();
- for ($i = 0; $i <= QUIZ_MAX_DECIMAL_OPTION; $i++) {
- $options[$i] = $i;
- }
- $mform->addElement('select', 'decimalpoints', get_string('decimalplaces', 'quiz'),
- $options);
- $mform->addHelpButton('decimalpoints', 'decimalplaces', 'quiz');
- // Question decimal points.
- $options = array(-1 => get_string('sameasoverall', 'quiz'));
- for ($i = 0; $i <= QUIZ_MAX_Q_DECIMAL_OPTION; $i++) {
- $options[$i] = $i;
- }
- $mform->addElement('select', 'questiondecimalpoints',
- get_string('decimalplacesquestion', 'quiz'), $options);
- $mform->addHelpButton('questiondecimalpoints', 'decimalplacesquestion', 'quiz');
- // Show blocks during quiz attempt.
- $mform->addElement('selectyesno', 'showblocks', get_string('showblocks', 'quiz'));
- $mform->addHelpButton('showblocks', 'showblocks', 'quiz');
- // -------------------------------------------------------------------------------
- $mform->addElement('header', 'security', get_string('extraattemptrestrictions', 'quiz'));
- // Require password to begin quiz attempt.
- $mform->addElement('passwordunmask', 'quizpassword', get_string('requirepassword', 'quiz'));
- $mform->setType('quizpassword', PARAM_TEXT);
- $mform->addHelpButton('quizpassword', 'requirepassword', 'quiz');
- // IP address.
- $mform->addElement('text', 'subnet', get_string('requiresubnet', 'quiz'));
- $mform->setType('subnet', PARAM_TEXT);
- $mform->addHelpButton('subnet', 'requiresubnet', 'quiz');
- // Enforced time delay between quiz attempts.
- $mform->addElement('duration', 'delay1', get_string('delay1st2nd', 'quiz'),
- array('optional' => true));
- $mform->addHelpButton('delay1', 'delay1st2nd', 'quiz');
- if ($this->get_max_attempts_for_any_override() < 2) {
- $mform->hideIf('delay1', 'attempts', 'eq', 1);
- }
- $mform->addElement('duration', 'delay2', get_string('delaylater', 'quiz'),
- array('optional' => true));
- $mform->addHelpButton('delay2', 'delaylater', 'quiz');
- if ($this->get_max_attempts_for_any_override() < 3) {
- $mform->hideIf('delay2', 'attempts', 'eq', 1);
- $mform->hideIf('delay2', 'attempts', 'eq', 2);
- }
- // Browser security choices.
- $mform->addElement('select', 'browsersecurity', get_string('browsersecurity', 'quiz'),
- quiz_access_manager::get_browser_security_choices());
- $mform->addHelpButton('browsersecurity', 'browsersecurity', 'quiz');
- // Any other rule plugins.
- quiz_access_manager::add_settings_form_fields($this, $mform);
- // -------------------------------------------------------------------------------
- $mform->addElement('header', 'overallfeedbackhdr', get_string('overallfeedback', 'quiz'));
- $mform->addHelpButton('overallfeedbackhdr', 'overallfeedback', 'quiz');
- if (isset($this->current->grade)) {
- $needwarning = $this->current->grade === 0;
- } else {
- $needwarning = $quizconfig->maximumgrade == 0;
- }
- if ($needwarning) {
- $mform->addElement('static', 'nogradewarning', '',
- get_string('nogradewarning', 'quiz'));
- }
- $mform->addElement('static', 'gradeboundarystatic1',
- get_string('gradeboundary', 'quiz'), '100%');
- $repeatarray = array();
- $repeatedoptions = array();
- $repeatarray[] = $mform->createElement('editor', 'feedbacktext',
- get_string('feedback', 'quiz'), array('rows' => 3), array('maxfiles' => EDITOR_UNLIMITED_FILES,
- 'noclean' => true, 'context' => $this->context));
- $repeatarray[] = $mform->createElement('text', 'feedbackboundaries',
- get_string('gradeboundary', 'quiz'), array('size' => 10));
- $repeatedoptions['feedbacktext']['type'] = PARAM_RAW;
- $repeatedoptions['feedbackboundaries']['type'] = PARAM_RAW;
- if (!empty($this->_instance)) {
- $this->_feedbacks = $DB->get_records('quiz_feedback',
- array('quizid' => $this->_instance), 'mingrade DESC');
- $numfeedbacks = count($this->_feedbacks);
- } else {
- $this->_feedbacks = array();
- $numfeedbacks = $quizconfig->initialnumfeedbacks;
- }
- $numfeedbacks = max($numfeedbacks, 1);
- $nextel = $this->repeat_elements($repeatarray, $numfeedbacks - 1,
- $repeatedoptions, 'boundary_repeats', 'boundary_add_fields', 3,
- get_string('addmoreoverallfeedbacks', 'quiz'), true);
- // Put some extra elements in before the button.
- $mform->insertElementBefore($mform->createElement('editor',
- "feedbacktext[$nextel]", get_string('feedback', 'quiz'), array('rows' => 3),
- array('maxfiles' => EDITOR_UNLIMITED_FILES, 'noclean' => true,
- 'context' => $this->context)),
- 'boundary_add_fields');
- $mform->insertElementBefore($mform->createElement('static',
- 'gradeboundarystatic2', get_string('gradeboundary', 'quiz'), '0%'),
- 'boundary_add_fields');
- // Add the disabledif rules. We cannot do this using the $repeatoptions parameter to
- // repeat_elements because we don't want to dissable the first feedbacktext.
- for ($i = 0; $i < $nextel; $i++) {
- $mform->disabledIf('feedbackboundaries[' . $i . ']', 'grade', 'eq', 0);
- $mform->disabledIf('feedbacktext[' . ($i + 1) . ']', 'grade', 'eq', 0);
- }
- // -------------------------------------------------------------------------------
- $this->standard_coursemodule_elements();
- // Check and act on whether setting outcomes is considered an advanced setting.
- $mform->setAdvanced('modoutcomes', !empty($quizconfig->outcomes_adv));
- // The standard_coursemodule_elements method sets this to 100, but the
- // quiz has its own setting, so use that.
- $mform->setDefault('grade', $quizconfig->maximumgrade);
- // -------------------------------------------------------------------------------
- $this->apply_admin_defaults();
- $this->add_action_buttons();
- $PAGE->requires->yui_module('moodle-mod_quiz-modform', 'M.mod_quiz.modform.init');
- }
- protected function add_review_options_group($mform, $quizconfig, $whenname,
- $when, $withhelp = false) {
- global $OUTPUT;
- $group = array();
- foreach (self::$reviewfields as $field => $string) {
- list($identifier, $component) = $string;
- $label = get_string($identifier, $component);
- $group[] = $mform->createElement('html', html_writer::start_div('review_option_item'));
- $el = $mform->createElement('checkbox', $field . $whenname, '', $label);
- if ($withhelp) {
- $el->_helpbutton = $OUTPUT->render(new help_icon($identifier, $component));
- }
- $group[] = $el;
- $group[] = $mform->createElement('html', html_writer::end_div());
- }
- $mform->addGroup($group, $whenname . 'optionsgrp',
- get_string('review' . $whenname, 'quiz'), null, false);
- foreach (self::$reviewfields as $field => $notused) {
- $cfgfield = 'review' . $field;
- if ($quizconfig->$cfgfield & $when) {
- $mform->setDefault($field . $whenname, 1);
- } else {
- $mform->setDefault($field . $whenname, 0);
- }
- }
- if ($whenname != 'during') {
- $mform->disabledIf('correctness' . $whenname, 'attempt' . $whenname);
- $mform->disabledIf('specificfeedback' . $whenname, 'attempt' . $whenname);
- $mform->disabledIf('generalfeedback' . $whenname, 'attempt' . $whenname);
- $mform->disabledIf('rightanswer' . $whenname, 'attempt' . $whenname);
- }
- }
- protected function preprocessing_review_settings(&$toform, $whenname, $when) {
- foreach (self::$reviewfields as $field => $notused) {
- $fieldname = 'review' . $field;
- if (array_key_exists($fieldname, $toform)) {
- $toform[$field . $whenname] = $toform[$fieldname] & $when;
- }
- }
- }
- public function data_preprocessing(&$toform) {
- if (isset($toform['grade'])) {
- // Convert to a real number, so we don't get 0.0000.
- $toform['grade'] = $toform['grade'] + 0;
- }
- if (count($this->_feedbacks)) {
- $key = 0;
- foreach ($this->_feedbacks as $feedback) {
- $draftid = file_get_submitted_draft_itemid('feedbacktext['.$key.']');
- $toform['feedbacktext['.$key.']']['text'] = file_prepare_draft_area(
- $draftid, // Draftid.
- $this->context->id, // Context.
- 'mod_quiz', // Component.
- 'feedback', // Filarea.
- !empty($feedback->id) ? (int) $feedback->id : null, // Itemid.
- null,
- $feedback->feedbacktext // Text.
- );
- $toform['feedbacktext['.$key.']']['format'] = $feedback->feedbacktextformat;
- $toform['feedbacktext['.$key.']']['itemid'] = $draftid;
- if ($toform['grade'] == 0) {
- // When a quiz is un-graded, there can only be one lot of
- // feedback. If the quiz previously had a maximum grade and
- // several lots of feedback, we must now avoid putting text
- // into input boxes that are disabled, but which the
- // validation will insist are blank.
- break;
- }
- if ($feedback->mingrade > 0) {
- $toform['feedbackboundaries['.$key.']'] =
- round(100.0 * $feedback->mingrade / $toform['grade'], 6) . '%';
- }
- $key++;
- }
- }
- if (isset($toform['timelimit'])) {
- $toform['timelimitenable'] = $toform['timelimit'] > 0;
- }
- $this->preprocessing_review_settings($toform, 'during',
- mod_quiz_display_options::DURING);
- $this->preprocessing_review_settings($toform, 'immediately',
- mod_quiz_display_options::IMMEDIATELY_AFTER);
- $this->preprocessing_review_settings($toform, 'open',
- mod_quiz_display_options::LATER_WHILE_OPEN);
- $this->preprocessing_review_settings($toform, 'closed',
- mod_quiz_display_options::AFTER_CLOSE);
- $toform['attemptduring'] = true;
- $toform['overallfeedbackduring'] = false;
- // Password field - different in form to stop browsers that remember
- // passwords from getting confused.
- if (isset($toform['password'])) {
- $toform['quizpassword'] = $toform['password'];
- unset($toform['password']);
- }
- // Load any settings belonging to the access rules.
- if (!empty($toform['instance'])) {
- $accesssettings = quiz_access_manager::load_settings($toform['instance']);
- foreach ($accesssettings as $name => $value) {
- $toform[$name] = $value;
- }
- }
- if (empty($toform['completionminattempts'])) {
- $toform['completionminattempts'] = 1;
- } else {
- $toform['completionminattemptsenabled'] = $toform['completionminattempts'] > 0;
- }
- }
- /**
- * Allows module to modify the data returned by form get_data().
- * This method is also called in the bulk activity completion form.
- *
- * Only available on moodleform_mod.
- *
- * @param stdClass $data the form data to be modified.
- */
- public function data_postprocessing($data) {
- parent::data_postprocessing($data);
- if (!empty($data->completionunlocked)) {
- // Turn off completion settings if the checkboxes aren't ticked.
- $autocompletion = !empty($data->completion) && $data->completion == COMPLETION_TRACKING_AUTOMATIC;
- if (empty($data->completionminattemptsenabled) || !$autocompletion) {
- $data->completionminattempts = 0;
- }
- }
- }
- public function validation($data, $files) {
- $errors = parent::validation($data, $files);
- // Check open and close times are consistent.
- if ($data['timeopen'] != 0 && $data['timeclose'] != 0 &&
- $data['timeclose'] < $data['timeopen']) {
- $errors['timeclose'] = get_string('closebeforeopen', 'quiz');
- }
- // Check that the grace period is not too short.
- if ($data['overduehandling'] == 'graceperiod') {
- $graceperiodmin = get_config('quiz', 'graceperiodmin');
- if ($data['graceperiod'] <= $graceperiodmin) {
- $errors['graceperiod'] = get_string('graceperiodtoosmall', 'quiz', format_time($graceperiodmin));
- }
- }
- if (!empty($data['completionminattempts'])) {
- if ($data['attempts'] > 0 && $data['completionminattempts'] > $data['attempts']) {
- $errors['completionminattemptsgroup'] = get_string('completionminattemptserror', 'quiz');
- }
- }
- // Check the boundary value is a number or a percentage, and in range.
- $i = 0;
- while (!empty($data['feedbackboundaries'][$i] )) {
- $boundary = trim($data['feedbackboundaries'][$i]);
- if (strlen($boundary) > 0) {
- if ($boundary[strlen($boundary) - 1] == '%') {
- $boundary = trim(substr($boundary, 0, -1));
- if (is_numeric($boundary)) {
- $boundary = $boundary * $data['grade'] / 100.0;
- } else {
- $errors["feedbackboundaries[$i]"] =
- get_string('feedbackerrorboundaryformat', 'quiz', $i + 1);
- }
- } else if (!is_numeric($boundary)) {
- $errors["feedbackboundaries[$i]"] =
- get_string('feedbackerrorboundaryformat', 'quiz', $i + 1);
- }
- }
- if (is_numeric($boundary) && $boundary <= 0 || $boundary >= $data['grade'] ) {
- $errors["feedbackboundaries[$i]"] =
- get_string('feedbackerrorboundaryoutofrange', 'quiz', $i + 1);
- }
- if (is_numeric($boundary) && $i > 0 &&
- $boundary >= $data['feedbackboundaries'][$i - 1]) {
- $errors["feedbackboundaries[$i]"] =
- get_string('feedbackerrororder', 'quiz', $i + 1);
- }
- $data['feedbackboundaries'][$i] = $boundary;
- $i += 1;
- }
- $numboundaries = $i;
- // Check there is nothing in the remaining unused fields.
- if (!empty($data['feedbackboundaries'])) {
- for ($i = $numboundaries; $i < count($data['feedbackboundaries']); $i += 1) {
- if (!empty($data['feedbackboundaries'][$i] ) &&
- trim($data['feedbackboundaries'][$i] ) != '') {
- $errors["feedbackboundaries[$i]"] =
- get_string('feedbackerrorjunkinboundary', 'quiz', $i + 1);
- }
- }
- }
- for ($i = $numboundaries + 1; $i < count($data['feedbacktext']); $i += 1) {
- if (!empty($data['feedbacktext'][$i]['text']) &&
- trim($data['feedbacktext'][$i]['text'] ) != '') {
- $errors["feedbacktext[$i]"] =
- get_string('feedbackerrorjunkinfeedback', 'quiz', $i + 1);
- }
- }
- // If CBM is involved, don't show the warning for grade to pass being larger than the maximum grade.
- if (($data['preferredbehaviour'] == 'deferredcbm') OR ($data['preferredbehaviour'] == 'immediatecbm')) {
- unset($errors['gradepass']);
- }
- // Any other rule plugins.
- $errors = quiz_access_manager::validate_settings_form_fields($errors, $data, $files, $this);
- return $errors;
- }
- /**
- * Display module-specific activity completion rules.
- * Part of the API defined by moodleform_mod
- * @return array Array of string IDs of added items, empty array if none
- */
- public function add_completion_rules() {
- $mform = $this->_form;
- $items = array();
- $mform->addElement('advcheckbox', 'completionattemptsexhausted', null,
- get_string('completionattemptsexhausted', 'quiz'),
- array('group' => 'cattempts'));
- $mform->disabledIf('completionattemptsexhausted', 'completionpassgrade', 'notchecked');
- $items[] = 'completionattemptsexhausted';
- $group = array();
- $group[] = $mform->createElement('checkbox', 'completionminattemptsenabled', '',
- get_string('completionminattempts', 'quiz'));
- $group[] = $mform->createElement('text', 'completionminattempts', '', array('size' => 3));
- $mform->setType('completionminattempts', PARAM_INT);
- $mform->addGroup($group, 'completionminattemptsgroup', get_string('completionminattemptsgroup', 'quiz'), array(' '), false);
- $mform->disabledIf('completionminattempts', 'completionminattemptsenabled', 'notchecked');
- $items[] = 'completionminattemptsgroup';
- return $items;
- }
- /**
- * Called during validation. Indicates whether a module-specific completion rule is selected.
- *
- * @param array $data Input data (not yet validated)
- * @return bool True if one or more rules is enabled, false if none are.
- */
- public function completion_rule_enabled($data) {
- return !empty($data['completionattemptsexhausted']) ||
- !empty($data['completionminattemptsenabled']);
- }
- /**
- * Get the maximum number of attempts that anyone might have due to a user
- * or group override. Used to decide whether disabledIf rules should be applied.
- * @return int the number of attempts allowed. For the purpose of this method,
- * unlimited is returned as 1000, not 0.
- */
- public function get_max_attempts_for_any_override() {
- global $DB;
- if (empty($this->_instance)) {
- // Quiz not created yet, so no overrides.
- return 1;
- }
- if ($this->maxattemptsanyoverride === null) {
- $this->maxattemptsanyoverride = $DB->get_field_sql("
- SELECT MAX(CASE WHEN attempts = 0 THEN 1000 ELSE attempts END)
- FROM {quiz_overrides}
- WHERE quiz = ?",
- array($this->_instance));
- if ($this->maxattemptsanyoverride < 1) {
- // This happens when no override alters the number of attempts.
- $this->maxattemptsanyoverride = 1;
- }
- }
- return $this->maxattemptsanyoverride;
- }
- }