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Developer Documentation
- Bug fixes for general core bugs in 4.2.x will end 22 April 2024 (12 months).
- Bug fixes for security issues in 4.2.x will end 7 October 2024 (18 months).
- PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.1.x is supported too.
/mod/quiz/ -> mod_form.php (source)
Differences Between: [Versions 310 and 402] [Versions 311 and 402] [Versions 39 and 402] [Versions 400 and 402] [Versions 401 and 402] [Versions 402 and 403]
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * Defines the quiz module ettings form. 19 * 20 * @package mod_quiz 21 * @copyright 2006 Jamie Pratt 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 */ 24 25 26 defined('MOODLE_INTERNAL') || die(); 27 28 require_once($CFG->dirroot . '/course/moodleform_mod.php'); 29 require_once($CFG->dirroot . '/mod/quiz/locallib.php'); 30 31 use mod_quiz\access_manager; 32 use mod_quiz\question\display_options; 33 34 /** 35 * Settings form for the quiz module. 36 * 37 * @copyright 2006 Jamie Pratt 38 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 39 */ 40 class mod_quiz_mod_form extends moodleform_mod { 41 /** @var array options to be used with date_time_selector fields in the quiz. */ 42 public static $datefieldoptions = ['optional' => true]; 43 44 /** @var array caches the quiz overall feedback, for convenience. */ 45 protected $_feedbacks; 46 47 /** @var array for convenience stores the list of types of review option. Initialised in the constructor. */ 48 protected static $reviewfields = []; 49 50 /** @var int the max number of attempts allowed in any user or group override on this quiz. */ 51 protected $maxattemptsanyoverride = null; 52 53 public function __construct($current, $section, $cm, $course) { 54 self::$reviewfields = [ 55 'attempt' => ['theattempt', 'quiz'], 56 'correctness' => ['whethercorrect', 'question'], 57 'marks' => ['marks', 'quiz'], 58 'specificfeedback' => ['specificfeedback', 'question'], 59 'generalfeedback' => ['generalfeedback', 'question'], 60 'rightanswer' => ['rightanswer', 'question'], 61 'overallfeedback' => ['reviewoverallfeedback', 'quiz'], 62 ]; 63 parent::__construct($current, $section, $cm, $course); 64 } 65 66 protected function definition() { 67 global $CFG, $DB, $PAGE; 68 $quizconfig = get_config('quiz'); 69 $mform = $this->_form; 70 71 // ------------------------------------------------------------------------------- 72 $mform->addElement('header', 'general', get_string('general', 'form')); 73 74 // Name. 75 $mform->addElement('text', 'name', get_string('name'), ['size' => '64']); 76 if (!empty($CFG->formatstringstriptags)) { 77 $mform->setType('name', PARAM_TEXT); 78 } else { 79 $mform->setType('name', PARAM_CLEANHTML); 80 } 81 $mform->addRule('name', null, 'required', null, 'client'); 82 $mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client'); 83 84 // Introduction. 85 $this->standard_intro_elements(get_string('introduction', 'quiz')); 86 87 // ------------------------------------------------------------------------------- 88 $mform->addElement('header', 'timing', get_string('timing', 'quiz')); 89 90 // Open and close dates. 91 $mform->addElement('date_time_selector', 'timeopen', get_string('quizopen', 'quiz'), 92 self::$datefieldoptions); 93 $mform->addHelpButton('timeopen', 'quizopenclose', 'quiz'); 94 95 $mform->addElement('date_time_selector', 'timeclose', get_string('quizclose', 'quiz'), 96 self::$datefieldoptions); 97 98 // Time limit. 99 $mform->addElement('duration', 'timelimit', get_string('timelimit', 'quiz'), 100 ['optional' => true]); 101 $mform->addHelpButton('timelimit', 'timelimit', 'quiz'); 102 103 // What to do with overdue attempts. 104 $mform->addElement('select', 'overduehandling', get_string('overduehandling', 'quiz'), 105 quiz_get_overdue_handling_options()); 106 $mform->addHelpButton('overduehandling', 'overduehandling', 'quiz'); 107 // TODO Formslib does OR logic on disableif, and we need AND logic here. 108 // $mform->disabledIf('overduehandling', 'timelimit', 'eq', 0); 109 // $mform->disabledIf('overduehandling', 'timeclose', 'eq', 0); 110 111 // Grace period time. 112 $mform->addElement('duration', 'graceperiod', get_string('graceperiod', 'quiz'), 113 ['optional' => true]); 114 $mform->addHelpButton('graceperiod', 'graceperiod', 'quiz'); 115 $mform->hideIf('graceperiod', 'overduehandling', 'neq', 'graceperiod'); 116 117 // ------------------------------------------------------------------------------- 118 // Grade settings. 119 $this->standard_grading_coursemodule_elements(); 120 121 $mform->removeElement('grade'); 122 if (property_exists($this->current, 'grade')) { 123 $currentgrade = $this->current->grade; 124 } else { 125 $currentgrade = $quizconfig->maximumgrade; 126 } 127 $mform->addElement('hidden', 'grade', $currentgrade); 128 $mform->setType('grade', PARAM_FLOAT); 129 130 // Number of attempts. 131 $attemptoptions = ['0' => get_string('unlimited')]; 132 for ($i = 1; $i <= QUIZ_MAX_ATTEMPT_OPTION; $i++) { 133 $attemptoptions[$i] = $i; 134 } 135 $mform->addElement('select', 'attempts', get_string('attemptsallowed', 'quiz'), 136 $attemptoptions); 137 138 // Grading method. 139 $mform->addElement('select', 'grademethod', get_string('grademethod', 'quiz'), 140 quiz_get_grading_options()); 141 $mform->addHelpButton('grademethod', 'grademethod', 'quiz'); 142 if ($this->get_max_attempts_for_any_override() < 2) { 143 $mform->hideIf('grademethod', 'attempts', 'eq', 1); 144 } 145 146 // ------------------------------------------------------------------------------- 147 $mform->addElement('header', 'layouthdr', get_string('layout', 'quiz')); 148 149 $pagegroup = []; 150 $pagegroup[] = $mform->createElement('select', 'questionsperpage', 151 get_string('newpage', 'quiz'), quiz_questions_per_page_options(), ['id' => 'id_questionsperpage']); 152 $mform->setDefault('questionsperpage', $quizconfig->questionsperpage); 153 154 if (!empty($this->_cm) && !quiz_has_attempts($this->_cm->instance)) { 155 $pagegroup[] = $mform->createElement('checkbox', 'repaginatenow', '', 156 get_string('repaginatenow', 'quiz'), ['id' => 'id_repaginatenow']); 157 } 158 159 $mform->addGroup($pagegroup, 'questionsperpagegrp', 160 get_string('newpage', 'quiz'), null, false); 161 $mform->addHelpButton('questionsperpagegrp', 'newpage', 'quiz'); 162 $mform->setAdvanced('questionsperpagegrp', $quizconfig->questionsperpage_adv); 163 164 // Navigation method. 165 $mform->addElement('select', 'navmethod', get_string('navmethod', 'quiz'), 166 quiz_get_navigation_options()); 167 $mform->addHelpButton('navmethod', 'navmethod', 'quiz'); 168 169 // ------------------------------------------------------------------------------- 170 $mform->addElement('header', 'interactionhdr', get_string('questionbehaviour', 'quiz')); 171 172 // Shuffle within questions. 173 $mform->addElement('selectyesno', 'shuffleanswers', get_string('shufflewithin', 'quiz')); 174 $mform->addHelpButton('shuffleanswers', 'shufflewithin', 'quiz'); 175 176 // How questions behave (question behaviour). 177 if (!empty($this->current->preferredbehaviour)) { 178 $currentbehaviour = $this->current->preferredbehaviour; 179 } else { 180 $currentbehaviour = ''; 181 } 182 $behaviours = question_engine::get_behaviour_options($currentbehaviour); 183 $mform->addElement('select', 'preferredbehaviour', 184 get_string('howquestionsbehave', 'question'), $behaviours); 185 $mform->addHelpButton('preferredbehaviour', 'howquestionsbehave', 'question'); 186 187 // Can redo completed questions. 188 $redochoices = [0 => get_string('no'), 1 => get_string('canredoquestionsyes', 'quiz')]; 189 $mform->addElement('select', 'canredoquestions', get_string('canredoquestions', 'quiz'), $redochoices); 190 $mform->addHelpButton('canredoquestions', 'canredoquestions', 'quiz'); 191 foreach ($behaviours as $behaviour => $notused) { 192 if (!question_engine::can_questions_finish_during_the_attempt($behaviour)) { 193 $mform->hideIf('canredoquestions', 'preferredbehaviour', 'eq', $behaviour); 194 } 195 } 196 197 // Each attempt builds on last. 198 $mform->addElement('selectyesno', 'attemptonlast', 199 get_string('eachattemptbuildsonthelast', 'quiz')); 200 $mform->addHelpButton('attemptonlast', 'eachattemptbuildsonthelast', 'quiz'); 201 if ($this->get_max_attempts_for_any_override() < 2) { 202 $mform->hideIf('attemptonlast', 'attempts', 'eq', 1); 203 } 204 205 // ------------------------------------------------------------------------------- 206 $mform->addElement('header', 'reviewoptionshdr', 207 get_string('reviewoptionsheading', 'quiz')); 208 $mform->addHelpButton('reviewoptionshdr', 'reviewoptionsheading', 'quiz'); 209 210 // Review options. 211 $this->add_review_options_group($mform, $quizconfig, 'during', 212 display_options::DURING, true); 213 $this->add_review_options_group($mform, $quizconfig, 'immediately', 214 display_options::IMMEDIATELY_AFTER); 215 $this->add_review_options_group($mform, $quizconfig, 'open', 216 display_options::LATER_WHILE_OPEN); 217 $this->add_review_options_group($mform, $quizconfig, 'closed', 218 display_options::AFTER_CLOSE); 219 220 foreach ($behaviours as $behaviour => $notused) { 221 $unusedoptions = question_engine::get_behaviour_unused_display_options($behaviour); 222 foreach ($unusedoptions as $unusedoption) { 223 $mform->disabledIf($unusedoption . 'during', 'preferredbehaviour', 224 'eq', $behaviour); 225 } 226 } 227 $mform->disabledIf('attemptduring', 'preferredbehaviour', 228 'neq', 'wontmatch'); 229 $mform->disabledIf('overallfeedbackduring', 'preferredbehaviour', 230 'neq', 'wontmatch'); 231 foreach (self::$reviewfields as $field => $notused) { 232 $mform->disabledIf($field . 'closed', 'timeclose[enabled]'); 233 } 234 235 // ------------------------------------------------------------------------------- 236 $mform->addElement('header', 'display', get_string('appearance')); 237 238 // Show user picture. 239 $mform->addElement('select', 'showuserpicture', get_string('showuserpicture', 'quiz'), 240 quiz_get_user_image_options()); 241 $mform->addHelpButton('showuserpicture', 'showuserpicture', 'quiz'); 242 243 // Overall decimal points. 244 $options = []; 245 for ($i = 0; $i <= QUIZ_MAX_DECIMAL_OPTION; $i++) { 246 $options[$i] = $i; 247 } 248 $mform->addElement('select', 'decimalpoints', get_string('decimalplaces', 'quiz'), 249 $options); 250 $mform->addHelpButton('decimalpoints', 'decimalplaces', 'quiz'); 251 252 // Question decimal points. 253 $options = [-1 => get_string('sameasoverall', 'quiz')]; 254 for ($i = 0; $i <= QUIZ_MAX_Q_DECIMAL_OPTION; $i++) { 255 $options[$i] = $i; 256 } 257 $mform->addElement('select', 'questiondecimalpoints', 258 get_string('decimalplacesquestion', 'quiz'), $options); 259 $mform->addHelpButton('questiondecimalpoints', 'decimalplacesquestion', 'quiz'); 260 261 // Show blocks during quiz attempt. 262 $mform->addElement('selectyesno', 'showblocks', get_string('showblocks', 'quiz')); 263 $mform->addHelpButton('showblocks', 'showblocks', 'quiz'); 264 265 // ------------------------------------------------------------------------------- 266 $mform->addElement('header', 'security', get_string('extraattemptrestrictions', 'quiz')); 267 268 // Require password to begin quiz attempt. 269 $mform->addElement('passwordunmask', 'quizpassword', get_string('requirepassword', 'quiz')); 270 $mform->setType('quizpassword', PARAM_TEXT); 271 $mform->addHelpButton('quizpassword', 'requirepassword', 'quiz'); 272 273 // IP address. 274 $mform->addElement('text', 'subnet', get_string('requiresubnet', 'quiz')); 275 $mform->setType('subnet', PARAM_TEXT); 276 $mform->addHelpButton('subnet', 'requiresubnet', 'quiz'); 277 278 // Enforced time delay between quiz attempts. 279 $mform->addElement('duration', 'delay1', get_string('delay1st2nd', 'quiz'), 280 ['optional' => true]); 281 $mform->addHelpButton('delay1', 'delay1st2nd', 'quiz'); 282 if ($this->get_max_attempts_for_any_override() < 2) { 283 $mform->hideIf('delay1', 'attempts', 'eq', 1); 284 } 285 286 $mform->addElement('duration', 'delay2', get_string('delaylater', 'quiz'), 287 ['optional' => true]); 288 $mform->addHelpButton('delay2', 'delaylater', 'quiz'); 289 if ($this->get_max_attempts_for_any_override() < 3) { 290 $mform->hideIf('delay2', 'attempts', 'eq', 1); 291 $mform->hideIf('delay2', 'attempts', 'eq', 2); 292 } 293 294 // Browser security choices. 295 $mform->addElement('select', 'browsersecurity', get_string('browsersecurity', 'quiz'), 296 access_manager::get_browser_security_choices()); 297 $mform->addHelpButton('browsersecurity', 'browsersecurity', 'quiz'); 298 299 // Any other rule plugins. 300 access_manager::add_settings_form_fields($this, $mform); 301 302 // ------------------------------------------------------------------------------- 303 $mform->addElement('header', 'overallfeedbackhdr', get_string('overallfeedback', 'quiz')); 304 $mform->addHelpButton('overallfeedbackhdr', 'overallfeedback', 'quiz'); 305 306 if (isset($this->current->grade)) { 307 $needwarning = $this->current->grade === 0; 308 } else { 309 $needwarning = $quizconfig->maximumgrade == 0; 310 } 311 if ($needwarning) { 312 $mform->addElement('static', 'nogradewarning', '', 313 get_string('nogradewarning', 'quiz')); 314 } 315 316 $mform->addElement('static', 'gradeboundarystatic1', 317 get_string('gradeboundary', 'quiz'), '100%'); 318 319 $repeatarray = []; 320 $repeatedoptions = []; 321 $repeatarray[] = $mform->createElement('editor', 'feedbacktext', 322 get_string('feedback', 'quiz'), ['rows' => 3], ['maxfiles' => EDITOR_UNLIMITED_FILES, 323 'noclean' => true, 'context' => $this->context]); 324 $repeatarray[] = $mform->createElement('text', 'feedbackboundaries', 325 get_string('gradeboundary', 'quiz'), ['size' => 10]); 326 $repeatedoptions['feedbacktext']['type'] = PARAM_RAW; 327 $repeatedoptions['feedbackboundaries']['type'] = PARAM_RAW; 328 329 if (!empty($this->_instance)) { 330 $this->_feedbacks = $DB->get_records('quiz_feedback', 331 ['quizid' => $this->_instance], 'mingrade DESC'); 332 $numfeedbacks = count($this->_feedbacks); 333 } else { 334 $this->_feedbacks = []; 335 $numfeedbacks = $quizconfig->initialnumfeedbacks; 336 } 337 $numfeedbacks = max($numfeedbacks, 1); 338 339 $nextel = $this->repeat_elements($repeatarray, $numfeedbacks - 1, 340 $repeatedoptions, 'boundary_repeats', 'boundary_add_fields', 3, 341 get_string('addmoreoverallfeedbacks', 'quiz'), true); 342 343 // Put some extra elements in before the button. 344 $mform->insertElementBefore($mform->createElement('editor', 345 "feedbacktext[$nextel]", get_string('feedback', 'quiz'), ['rows' => 3], 346 ['maxfiles' => EDITOR_UNLIMITED_FILES, 'noclean' => true, 347 'context' => $this->context]), 348 'boundary_add_fields'); 349 $mform->insertElementBefore($mform->createElement('static', 350 'gradeboundarystatic2', get_string('gradeboundary', 'quiz'), '0%'), 351 'boundary_add_fields'); 352 353 // Add the disabledif rules. We cannot do this using the $repeatoptions parameter to 354 // repeat_elements because we don't want to dissable the first feedbacktext. 355 for ($i = 0; $i < $nextel; $i++) { 356 $mform->disabledIf('feedbackboundaries[' . $i . ']', 'grade', 'eq', 0); 357 $mform->disabledIf('feedbacktext[' . ($i + 1) . ']', 'grade', 'eq', 0); 358 } 359 360 // ------------------------------------------------------------------------------- 361 $this->standard_coursemodule_elements(); 362 363 // Check and act on whether setting outcomes is considered an advanced setting. 364 $mform->setAdvanced('modoutcomes', !empty($quizconfig->outcomes_adv)); 365 366 // The standard_coursemodule_elements method sets this to 100, but the 367 // quiz has its own setting, so use that. 368 $mform->setDefault('grade', $quizconfig->maximumgrade); 369 370 // ------------------------------------------------------------------------------- 371 $this->apply_admin_defaults(); 372 $this->add_action_buttons(); 373 374 $PAGE->requires->yui_module('moodle-mod_quiz-modform', 'M.mod_quiz.modform.init'); 375 } 376 377 protected function add_review_options_group($mform, $quizconfig, $whenname, 378 $when, $withhelp = false) { 379 global $OUTPUT; 380 381 $group = []; 382 foreach (self::$reviewfields as $field => $string) { 383 list($identifier, $component) = $string; 384 385 $label = get_string($identifier, $component); 386 $group[] = $mform->createElement('html', html_writer::start_div('review_option_item')); 387 $el = $mform->createElement('checkbox', $field . $whenname, '', $label); 388 if ($withhelp) { 389 $el->_helpbutton = $OUTPUT->render(new help_icon($identifier, $component)); 390 } 391 $group[] = $el; 392 $group[] = $mform->createElement('html', html_writer::end_div()); 393 } 394 $mform->addGroup($group, $whenname . 'optionsgrp', 395 get_string('review' . $whenname, 'quiz'), null, false); 396 397 foreach (self::$reviewfields as $field => $notused) { 398 $cfgfield = 'review' . $field; 399 if ($quizconfig->$cfgfield & $when) { 400 $mform->setDefault($field . $whenname, 1); 401 } else { 402 $mform->setDefault($field . $whenname, 0); 403 } 404 } 405 406 if ($whenname != 'during') { 407 $mform->disabledIf('correctness' . $whenname, 'attempt' . $whenname); 408 $mform->disabledIf('specificfeedback' . $whenname, 'attempt' . $whenname); 409 $mform->disabledIf('generalfeedback' . $whenname, 'attempt' . $whenname); 410 $mform->disabledIf('rightanswer' . $whenname, 'attempt' . $whenname); 411 } 412 } 413 414 protected function preprocessing_review_settings(&$toform, $whenname, $when) { 415 foreach (self::$reviewfields as $field => $notused) { 416 $fieldname = 'review' . $field; 417 if (array_key_exists($fieldname, $toform)) { 418 $toform[$field . $whenname] = $toform[$fieldname] & $when; 419 } 420 } 421 } 422 423 public function data_preprocessing(&$toform) { 424 if (isset($toform['grade'])) { 425 // Convert to a real number, so we don't get 0.0000. 426 $toform['grade'] = $toform['grade'] + 0; 427 } 428 429 if (count($this->_feedbacks)) { 430 $key = 0; 431 foreach ($this->_feedbacks as $feedback) { 432 $draftid = file_get_submitted_draft_itemid('feedbacktext['.$key.']'); 433 $toform['feedbacktext['.$key.']']['text'] = file_prepare_draft_area( 434 $draftid, // Draftid. 435 $this->context->id, // Context. 436 'mod_quiz', // Component. 437 'feedback', // Filarea. 438 !empty($feedback->id) ? (int) $feedback->id : null, // Itemid. 439 null, 440 $feedback->feedbacktext // Text. 441 ); 442 $toform['feedbacktext['.$key.']']['format'] = $feedback->feedbacktextformat; 443 $toform['feedbacktext['.$key.']']['itemid'] = $draftid; 444 445 if ($toform['grade'] == 0) { 446 // When a quiz is un-graded, there can only be one lot of 447 // feedback. If the quiz previously had a maximum grade and 448 // several lots of feedback, we must now avoid putting text 449 // into input boxes that are disabled, but which the 450 // validation will insist are blank. 451 break; 452 } 453 454 if ($feedback->mingrade > 0) { 455 $toform['feedbackboundaries['.$key.']'] = 456 round(100.0 * $feedback->mingrade / $toform['grade'], 6) . '%'; 457 } 458 $key++; 459 } 460 } 461 462 if (isset($toform['timelimit'])) { 463 $toform['timelimitenable'] = $toform['timelimit'] > 0; 464 } 465 466 $this->preprocessing_review_settings($toform, 'during', 467 display_options::DURING); 468 $this->preprocessing_review_settings($toform, 'immediately', 469 display_options::IMMEDIATELY_AFTER); 470 $this->preprocessing_review_settings($toform, 'open', 471 display_options::LATER_WHILE_OPEN); 472 $this->preprocessing_review_settings($toform, 'closed', 473 display_options::AFTER_CLOSE); 474 $toform['attemptduring'] = true; 475 $toform['overallfeedbackduring'] = false; 476 477 // Password field - different in form to stop browsers that remember 478 // passwords from getting confused. 479 if (isset($toform['password'])) { 480 $toform['quizpassword'] = $toform['password']; 481 unset($toform['password']); 482 } 483 484 // Load any settings belonging to the access rules. 485 if (!empty($toform['instance'])) { 486 $accesssettings = access_manager::load_settings($toform['instance']); 487 foreach ($accesssettings as $name => $value) { 488 $toform[$name] = $value; 489 } 490 } 491 492 if (empty($toform['completionminattempts'])) { 493 $toform['completionminattempts'] = 1; 494 } else { 495 $toform['completionminattemptsenabled'] = $toform['completionminattempts'] > 0; 496 } 497 } 498 499 /** 500 * Allows module to modify the data returned by form get_data(). 501 * This method is also called in the bulk activity completion form. 502 * 503 * Only available on moodleform_mod. 504 * 505 * @param stdClass $data the form data to be modified. 506 */ 507 public function data_postprocessing($data) { 508 parent::data_postprocessing($data); 509 if (!empty($data->completionunlocked)) { 510 // Turn off completion settings if the checkboxes aren't ticked. 511 $autocompletion = !empty($data->completion) && $data->completion == COMPLETION_TRACKING_AUTOMATIC; 512 if (empty($data->completionminattemptsenabled) || !$autocompletion) { 513 $data->completionminattempts = 0; 514 } 515 } 516 } 517 518 public function validation($data, $files) { 519 $errors = parent::validation($data, $files); 520 521 // Check open and close times are consistent. 522 if ($data['timeopen'] != 0 && $data['timeclose'] != 0 && 523 $data['timeclose'] < $data['timeopen']) { 524 $errors['timeclose'] = get_string('closebeforeopen', 'quiz'); 525 } 526 527 // Check that the grace period is not too short. 528 if ($data['overduehandling'] == 'graceperiod') { 529 $graceperiodmin = get_config('quiz', 'graceperiodmin'); 530 if ($data['graceperiod'] <= $graceperiodmin) { 531 $errors['graceperiod'] = get_string('graceperiodtoosmall', 'quiz', format_time($graceperiodmin)); 532 } 533 } 534 535 if (!empty($data['completionminattempts'])) { 536 if ($data['attempts'] > 0 && $data['completionminattempts'] > $data['attempts']) { 537 $errors['completionminattemptsgroup'] = get_string('completionminattemptserror', 'quiz'); 538 } 539 } 540 541 // Check the boundary value is a number or a percentage, and in range. 542 $i = 0; 543 while (!empty($data['feedbackboundaries'][$i] )) { 544 $boundary = trim($data['feedbackboundaries'][$i]); 545 if (strlen($boundary) > 0) { 546 if ($boundary[strlen($boundary) - 1] == '%') { 547 $boundary = trim(substr($boundary, 0, -1)); 548 if (is_numeric($boundary)) { 549 $boundary = $boundary * $data['grade'] / 100.0; 550 } else { 551 $errors["feedbackboundaries[$i]"] = 552 get_string('feedbackerrorboundaryformat', 'quiz', $i + 1); 553 } 554 } else if (!is_numeric($boundary)) { 555 $errors["feedbackboundaries[$i]"] = 556 get_string('feedbackerrorboundaryformat', 'quiz', $i + 1); 557 } 558 } 559 if (is_numeric($boundary) && $boundary <= 0 || $boundary >= $data['grade'] ) { 560 $errors["feedbackboundaries[$i]"] = 561 get_string('feedbackerrorboundaryoutofrange', 'quiz', $i + 1); 562 } 563 if (is_numeric($boundary) && $i > 0 && 564 $boundary >= $data['feedbackboundaries'][$i - 1]) { 565 $errors["feedbackboundaries[$i]"] = 566 get_string('feedbackerrororder', 'quiz', $i + 1); 567 } 568 $data['feedbackboundaries'][$i] = $boundary; 569 $i += 1; 570 } 571 $numboundaries = $i; 572 573 // Check there is nothing in the remaining unused fields. 574 if (!empty($data['feedbackboundaries'])) { 575 for ($i = $numboundaries; $i < count($data['feedbackboundaries']); $i += 1) { 576 if (!empty($data['feedbackboundaries'][$i] ) && 577 trim($data['feedbackboundaries'][$i] ) != '') { 578 $errors["feedbackboundaries[$i]"] = 579 get_string('feedbackerrorjunkinboundary', 'quiz', $i + 1); 580 } 581 } 582 } 583 for ($i = $numboundaries + 1; $i < count($data['feedbacktext']); $i += 1) { 584 if (!empty($data['feedbacktext'][$i]['text']) && 585 trim($data['feedbacktext'][$i]['text'] ) != '') { 586 $errors["feedbacktext[$i]"] = 587 get_string('feedbackerrorjunkinfeedback', 'quiz', $i + 1); 588 } 589 } 590 591 // If CBM is involved, don't show the warning for grade to pass being larger than the maximum grade. 592 if (($data['preferredbehaviour'] == 'deferredcbm') OR ($data['preferredbehaviour'] == 'immediatecbm')) { 593 unset($errors['gradepass']); 594 } 595 // Any other rule plugins. 596 $errors = access_manager::validate_settings_form_fields($errors, $data, $files, $this); 597 598 return $errors; 599 } 600 601 /** 602 * Display module-specific activity completion rules. 603 * Part of the API defined by moodleform_mod 604 * @return array Array of string IDs of added items, empty array if none 605 */ 606 public function add_completion_rules() { 607 $mform = $this->_form; 608 $items = []; 609 610 $mform->addElement('advcheckbox', 'completionattemptsexhausted', null, 611 get_string('completionattemptsexhausted', 'quiz'), 612 ['group' => 'cattempts']); 613 $mform->disabledIf('completionattemptsexhausted', 'completionpassgrade', 'notchecked'); 614 $items[] = 'completionattemptsexhausted'; 615 616 $group = []; 617 $group[] = $mform->createElement('checkbox', 'completionminattemptsenabled', '', 618 get_string('completionminattempts', 'quiz')); 619 $group[] = $mform->createElement('text', 'completionminattempts', '', ['size' => 3]); 620 $mform->setType('completionminattempts', PARAM_INT); 621 $mform->addGroup($group, 'completionminattemptsgroup', get_string('completionminattemptsgroup', 'quiz'), [' '], false); 622 $mform->disabledIf('completionminattempts', 'completionminattemptsenabled', 'notchecked'); 623 624 $items[] = 'completionminattemptsgroup'; 625 626 return $items; 627 } 628 629 /** 630 * Called during validation. Indicates whether a module-specific completion rule is selected. 631 * 632 * @param array $data Input data (not yet validated) 633 * @return bool True if one or more rules is enabled, false if none are. 634 */ 635 public function completion_rule_enabled($data) { 636 return !empty($data['completionattemptsexhausted']) || 637 !empty($data['completionminattemptsenabled']); 638 } 639 640 /** 641 * Get the maximum number of attempts that anyone might have due to a user 642 * or group override. Used to decide whether disabledIf rules should be applied. 643 * @return int the number of attempts allowed. For the purpose of this method, 644 * unlimited is returned as 1000, not 0. 645 */ 646 public function get_max_attempts_for_any_override() { 647 global $DB; 648 649 if (empty($this->_instance)) { 650 // Quiz not created yet, so no overrides. 651 return 1; 652 } 653 654 if ($this->maxattemptsanyoverride === null) { 655 $this->maxattemptsanyoverride = $DB->get_field_sql(" 656 SELECT MAX(CASE WHEN attempts = 0 THEN 1000 ELSE attempts END) 657 FROM {quiz_overrides} 658 WHERE quiz = ?", 659 [$this->_instance]); 660 if ($this->maxattemptsanyoverride < 1) { 661 // This happens when no override alters the number of attempts. 662 $this->maxattemptsanyoverride = 1; 663 } 664 } 665 666 return $this->maxattemptsanyoverride; 667 } 668 }
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