2 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
20 * @package core_course
21 * @copyright Andrew Nicols <andrew@nicols.co.uk>
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 require_once($CFG->libdir.'/formslib.php');
26 require_once($CFG->libdir.'/completionlib.php');
27 require_once($CFG->libdir.'/gradelib.php');
28 require_once($CFG->libdir.'/plagiarismlib.php');
30 use core_grades\component_gradeitems;
33 * This class adds extra methods to form wrapper specific to be used for module add / update forms
34 * mod/{modname}/mod_form.php replaced deprecated mod/{modname}/mod.html Moodleform.
36 * @package core_course
37 * @copyright Andrew Nicols <andrew@nicols.co.uk>
39 abstract class moodleform_mod extends moodleform {
43 * Instance of the module that is being updated. This is the id of the {prefix}{modulename}
44 * record. Can be used in form definition. Will be "" if this is an 'add' form and not an
51 * Section of course that module instance will be put in or is in.
52 * This is always the section number itself (column 'section' from 'course_sections' table).
58 * Course module record of the module that is being updated. Will be null if this is an 'add' form and not an
73 * List of modform features
77 * @var array Custom completion-rule elements, if enabled
79 protected $_customcompletionelements;
81 * @var string name of module.
84 /** current context, course or module depends if already exists*/
87 /** a flag indicating whether outcomes are being used*/
88 protected $_outcomesused;
91 * @var bool A flag used to indicate that this module should lock settings
92 * based on admin settings flags in definition_after_data.
94 protected $applyadminlockedflags = false;
96 /** @var object The course format of the current course. */
97 protected $courseformat;
99 /** @var string Whether this is graded or rated. */
100 private $gradedorrated = null;
102 public function __construct($current, $section, $cm, $course) {
105 $this->current = $current;
106 $this->_instance = $current->instance;
107 $this->_section = $section;
109 $this->_course = $course;
111 $this->context = context_module::instance($this->_cm->id);
113 $this->context = context_course::instance($course->id);
116 // Set the course format.
117 require_once($CFG->dirroot . '/course/format/lib.php');
118 $this->courseformat = course_get_format($course);
120 // Guess module name if not set.
121 if (is_null($this->_modname)) {
123 if (!preg_match('/^mod_([^_]+)_mod_form$/', get_class($this), $matches)) {
124 debugging('Rename form to mod_xx_mod_form, where xx is name of your module');
125 print_error('unknownmodulename');
127 $this->_modname = $matches[1];
129 $this->init_features();
130 parent::__construct('modedit.php');
134 * Old syntax of class constructor. Deprecated in PHP7.
136 * @deprecated since Moodle 3.1
138 public function moodleform_mod($current, $section, $cm, $course) {
139 debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
140 self::__construct($current, $section, $cm, $course);
144 * Get the current data for the form.
145 * @return stdClass|null
147 public function get_current() {
148 return $this->current;
152 * Get the DB record for the current instance.
153 * @return stdClass|null
155 public function get_instance() {
156 return $this->_instance;
160 * Get the course section number (relative).
163 public function get_section() {
164 return $this->_section;
171 public function get_course() {
172 return $this->_course;
176 * Get the course module object.
177 * @return stdClass|null
179 public function get_coursemodule() {
184 * Return the course context for new modules, or the module context for existing modules.
187 public function get_context() {
188 return $this->context;
192 * Return the features this module supports.
195 public function get_features() {
196 return $this->_features;
200 protected function init_features() {
203 $this->_features = new stdClass();
204 $this->_features->groups = plugin_supports('mod', $this->_modname, FEATURE_GROUPS, false);
205 $this->_features->groupings = plugin_supports('mod', $this->_modname, FEATURE_GROUPINGS, false);
206 $this->_features->outcomes = (!empty($CFG->enableoutcomes) and plugin_supports('mod', $this->_modname, FEATURE_GRADE_OUTCOMES, true));
207 $this->_features->hasgrades = plugin_supports('mod', $this->_modname, FEATURE_GRADE_HAS_GRADE, false);
208 $this->_features->idnumber = plugin_supports('mod', $this->_modname, FEATURE_IDNUMBER, true);
209 $this->_features->introeditor = plugin_supports('mod', $this->_modname, FEATURE_MOD_INTRO, true);
210 $this->_features->defaultcompletion = plugin_supports('mod', $this->_modname, FEATURE_MODEDIT_DEFAULT_COMPLETION, true);
211 $this->_features->rating = plugin_supports('mod', $this->_modname, FEATURE_RATE, false);
212 $this->_features->showdescription = plugin_supports('mod', $this->_modname, FEATURE_SHOW_DESCRIPTION, false);
213 $this->_features->gradecat = ($this->_features->outcomes or $this->_features->hasgrades);
214 $this->_features->advancedgrading = plugin_supports('mod', $this->_modname, FEATURE_ADVANCED_GRADING, false);
215 $this->_features->canrescale = (component_callback_exists('mod_' . $this->_modname, 'rescale_activity_grades') !== false);
219 * Allows module to modify data returned by get_moduleinfo_data() or prepare_new_moduleinfo_data() before calling set_data()
220 * This method is also called in the bulk activity completion form.
222 * Only available on moodleform_mod.
224 * @param array $default_values passed by reference
226 function data_preprocessing(&$default_values){
227 if (empty($default_values['scale'])) {
228 $default_values['assessed'] = 0;
231 if (empty($default_values['assessed'])){
232 $default_values['ratingtime'] = 0;
234 $default_values['ratingtime']=
235 ($default_values['assesstimestart'] && $default_values['assesstimefinish']) ? 1 : 0;
240 * Each module which defines definition_after_data() must call this method using parent::definition_after_data();
242 function definition_after_data() {
243 global $CFG, $COURSE;
244 $mform =& $this->_form;
246 if ($id = $mform->getElementValue('update')) {
247 $modulename = $mform->getElementValue('modulename');
248 $instance = $mform->getElementValue('instance');
249 $component = "mod_{$modulename}";
251 if ($this->_features->gradecat) {
252 $hasgradeitems = false;
253 $items = grade_item::fetch_all([
255 'itemmodule' => $modulename,
256 'iteminstance' => $instance,
257 'courseid' => $COURSE->id,
260 $gradecategories = [];
261 $removecategories = [];
262 //will be no items if, for example, this activity supports ratings but rating aggregate type == no ratings
263 if (!empty($items)) {
264 foreach ($items as $item) {
265 if (!empty($item->outcomeid)) {
266 $elname = 'outcome_'.$item->outcomeid;
267 if ($mform->elementExists($elname)) {
268 $mform->hardFreeze($elname); // prevent removing of existing outcomes
271 $hasgradeitems = true;
275 foreach ($items as $item) {
276 $gradecatfieldname = component_gradeitems::get_field_name_for_itemnumber(
282 if (!isset($gradecategories[$gradecatfieldname])) {
283 $gradecategories[$gradecatfieldname] = $item->categoryid;
284 } else if ($gradecategories[$gradecatfieldname] != $item->categoryid) {
285 $removecategories[$gradecatfieldname] = true;
290 foreach ($removecategories as $toremove) {
291 if ($mform->elementExists($toremove)) {
292 $mform->removeElement($toremove);
298 if ($COURSE->groupmodeforce) {
299 if ($mform->elementExists('groupmode')) {
300 // The groupmode can not be changed if forced from course settings.
302 $mform->hardFreeze('groupmode');
306 // Don't disable/remove groupingid if it is currently set to something, otherwise you cannot turn it off at same
307 // time as turning off other option (MDL-30764).
308 if (empty($this->_cm) || !$this->_cm->groupingid) {
309 if ($mform->elementExists('groupmode') && empty($COURSE->groupmodeforce)) {
310 $mform->hideIf('groupingid', 'groupmode', 'eq', NOGROUPS);
312 } else if (!$mform->elementExists('groupmode')) {
313 // Groupings have no use without groupmode.
314 if ($mform->elementExists('groupingid')) {
315 $mform->removeElement('groupingid');
317 // Nor does the group restrictions button.
318 if ($mform->elementExists('restrictgroupbutton')) {
319 $mform->removeElement('restrictgroupbutton');
324 // Completion: If necessary, freeze fields
325 $completion = new completion_info($COURSE);
326 if ($completion->is_enabled()) {
327 // If anybody has completed the activity, these options will be 'locked'
328 $completedcount = empty($this->_cm)
330 : $completion->count_user_data($this->_cm);
333 if (!$completedcount) {
334 if ($mform->elementExists('unlockcompletion')) {
335 $mform->removeElement('unlockcompletion');
337 // Automatically set to unlocked (note: this is necessary
338 // in order to make it recalculate completion once the option
339 // is changed, maybe someone has completed it now)
340 $mform->getElement('completionunlocked')->setValue(1);
342 // Has the element been unlocked, either by the button being pressed
343 // in this request, or the field already being set from a previous one?
344 if ($mform->exportValue('unlockcompletion') ||
345 $mform->exportValue('completionunlocked')) {
346 // Yes, add in warning text and set the hidden variable
347 $mform->insertElementBefore(
348 $mform->createElement('static', 'completedunlocked',
349 get_string('completedunlocked', 'completion'),
350 get_string('completedunlockedtext', 'completion')),
352 $mform->removeElement('unlockcompletion');
353 $mform->getElement('completionunlocked')->setValue(1);
355 // No, add in the warning text with the count (now we know
356 // it) before the unlock button
357 $mform->insertElementBefore(
358 $mform->createElement('static', 'completedwarning',
359 get_string('completedwarning', 'completion'),
360 get_string('completedwarningtext', 'completion', $completedcount)),
367 $mform->freeze('completion');
368 if ($mform->elementExists('completionview')) {
369 $mform->freeze('completionview'); // don't use hardFreeze or checkbox value gets lost
371 if ($mform->elementExists('completionusegrade')) {
372 $mform->freeze('completionusegrade');
374 $mform->freeze($this->_customcompletionelements);
378 // Freeze admin defaults if required (and not different from default)
379 $this->apply_admin_locked_flags();
383 function validation($data, $files) {
384 global $COURSE, $DB, $CFG;
385 $errors = parent::validation($data, $files);
387 $mform =& $this->_form;
391 if ($mform->elementExists('name')) {
392 $name = trim($data['name']);
394 $errors['name'] = get_string('required');
398 $grade_item = grade_item::fetch(array('itemtype'=>'mod', 'itemmodule'=>$data['modulename'],
399 'iteminstance'=>$data['instance'], 'itemnumber'=>0, 'courseid'=>$COURSE->id));
400 if ($data['coursemodule']) {
401 $cm = $DB->get_record('course_modules', array('id'=>$data['coursemodule']));
406 if ($mform->elementExists('cmidnumber')) {
407 // verify the idnumber
408 if (!grade_verify_idnumber($data['cmidnumber'], $COURSE->id, $grade_item, $cm)) {
409 $errors['cmidnumber'] = get_string('idnumbertaken');
413 $component = "mod_{$this->_modname}";
414 $itemnames = component_gradeitems::get_itemname_mapping_for_component($component);
415 foreach ($itemnames as $itemnumber => $itemname) {
416 $gradefieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'grade');
417 $gradepassfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'gradepass');
418 $assessedfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'assessed');
419 $scalefieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'scale');
421 // Ratings: Don't let them select an aggregate type without selecting a scale.
422 // If the user has selected to use ratings but has not chosen a scale or set max points then the form is
423 // invalid. If ratings have been selected then the user must select either a scale or max points.
424 // This matches (horrible) logic in data_preprocessing.
425 if (isset($data[$assessedfieldname]) && $data[$assessedfieldname] > 0 && empty($data[$scalefieldname])) {
426 $errors[$assessedfieldname] = get_string('scaleselectionrequired', 'rating');
429 // Check that the grade pass is a valid number.
430 $gradepassvalid = false;
431 if (isset($data[$gradepassfieldname])) {
432 if (unformat_float($data[$gradepassfieldname], true) === false) {
433 $errors[$gradepassfieldname] = get_string('err_numeric', 'form');
435 $gradepassvalid = true;
439 // Grade to pass: ensure that the grade to pass is valid for points and scales.
440 // If we are working with a scale, convert into a positive number for validation.
441 if ($gradepassvalid && isset($data[$gradepassfieldname]) && (!empty($data[$gradefieldname]) || !empty($data[$scalefieldname]))) {
442 $scale = !empty($data[$gradefieldname]) ? $data[$gradefieldname] : $data[$scalefieldname];
444 $scalevalues = $DB->get_record('scale', array('id' => -$scale));
445 $grade = count(explode(',', $scalevalues->scale));
449 if (unformat_float($data[$gradepassfieldname]) > $grade) {
450 $errors[$gradepassfieldname] = get_string('gradepassgreaterthangrade', 'grades', $grade);
455 // Completion: Don't let them choose automatic completion without turning
456 // on some conditions. Ignore this check when completion settings are
457 // locked, as the options are then disabled.
458 if (array_key_exists('completion', $data) &&
459 $data['completion'] == COMPLETION_TRACKING_AUTOMATIC &&
460 !empty($data['completionunlocked'])) {
461 if (empty($data['completionview']) && empty($data['completionusegrade']) &&
462 !$this->completion_rule_enabled($data)) {
463 $errors['completion'] = get_string('badautocompletion', 'completion');
467 // Availability: Check availability field does not have errors.
468 if (!empty($CFG->enableavailability)) {
469 \core_availability\frontend::report_validation_errors($data, $errors);
472 $pluginerrors = $this->plugin_extend_coursemodule_validation($data);
473 if (!empty($pluginerrors)) {
474 $errors = array_merge($errors, $pluginerrors);
481 * Extend the validation function from any other plugin.
483 * @param stdClass $data The form data.
484 * @return array $errors The list of errors keyed by element name.
486 protected function plugin_extend_coursemodule_validation($data) {
489 $callbacks = get_plugins_with_function('coursemodule_validation', 'lib.php');
490 foreach ($callbacks as $type => $plugins) {
491 foreach ($plugins as $plugin => $pluginfunction) {
492 // We have exposed all the important properties with public getters - the errors array should be pass by reference.
493 $pluginerrors = $pluginfunction($this, $data);
494 if (!empty($pluginerrors)) {
495 $errors = array_merge($errors, $pluginerrors);
503 * Load in existing data as form defaults. Usually new entry defaults are stored directly in
504 * form definition (new entry form); this function is used to load in data where values
505 * already exist and data is being edited (edit entry form).
507 * @param mixed $default_values object or array of default values
509 function set_data($default_values) {
510 if (is_object($default_values)) {
511 $default_values = (array)$default_values;
514 $this->data_preprocessing($default_values);
515 parent::set_data($default_values);
519 * Adds all the standard elements to a form to edit the settings for an activity module.
521 protected function standard_coursemodule_elements() {
522 global $COURSE, $CFG, $DB;
523 $mform =& $this->_form;
525 $this->_outcomesused = false;
526 if ($this->_features->outcomes) {
527 if ($outcomes = grade_outcome::fetch_all_available($COURSE->id)) {
528 $this->_outcomesused = true;
529 $mform->addElement('header', 'modoutcomes', get_string('outcomes', 'grades'));
530 foreach($outcomes as $outcome) {
531 $mform->addElement('advcheckbox', 'outcome_'.$outcome->id, $outcome->get_name());
536 if ($this->_features->rating) {
537 $this->add_rating_settings($mform, 0);
540 $mform->addElement('header', 'modstandardelshdr', get_string('modstandardels', 'form'));
542 $section = get_fast_modinfo($COURSE)->get_section_info($this->_section);
543 $allowstealth = !empty($CFG->allowstealth) && $this->courseformat->allow_stealth_module_visibility($this->_cm, $section);
544 if ($allowstealth && $section->visible) {
545 $modvisiblelabel = 'modvisiblewithstealth';
546 } else if ($section->visible) {
547 $modvisiblelabel = 'modvisible';
549 $modvisiblelabel = 'modvisiblehiddensection';
551 $mform->addElement('modvisible', 'visible', get_string($modvisiblelabel), null,
552 array('allowstealth' => $allowstealth, 'sectionvisible' => $section->visible, 'cm' => $this->_cm));
553 $mform->addHelpButton('visible', $modvisiblelabel);
554 if (!empty($this->_cm)) {
555 $context = context_module::instance($this->_cm->id);
556 if (!has_capability('moodle/course:activityvisibility', $context)) {
557 $mform->hardFreeze('visible');
561 if ($this->_features->idnumber) {
562 $mform->addElement('text', 'cmidnumber', get_string('idnumbermod'));
563 $mform->setType('cmidnumber', PARAM_RAW);
564 $mform->addHelpButton('cmidnumber', 'idnumbermod');
567 if ($this->_features->groups) {
568 $options = array(NOGROUPS => get_string('groupsnone'),
569 SEPARATEGROUPS => get_string('groupsseparate'),
570 VISIBLEGROUPS => get_string('groupsvisible'));
571 $mform->addElement('select', 'groupmode', get_string('groupmode', 'group'), $options, NOGROUPS);
572 $mform->addHelpButton('groupmode', 'groupmode', 'group');
575 if ($this->_features->groupings) {
576 // Groupings selector - used to select grouping for groups in activity.
578 if ($groupings = $DB->get_records('groupings', array('courseid'=>$COURSE->id))) {
579 foreach ($groupings as $grouping) {
580 $options[$grouping->id] = format_string($grouping->name);
583 core_collator::asort($options);
584 $options = array(0 => get_string('none')) + $options;
585 $mform->addElement('select', 'groupingid', get_string('grouping', 'group'), $options);
586 $mform->addHelpButton('groupingid', 'grouping', 'group');
589 if (!empty($CFG->enableavailability)) {
590 // Add special button to end of previous section if groups/groupings
592 if ($this->_features->groups || $this->_features->groupings) {
593 $mform->addElement('static', 'restrictgroupbutton', '',
594 html_writer::tag('button', get_string('restrictbygroup', 'availability'),
595 array('id' => 'restrictbygroup', 'disabled' => 'disabled', 'class' => 'btn btn-secondary')));
598 // Availability field. This is just a textarea; the user interface
599 // interaction is all implemented in JavaScript.
600 $mform->addElement('header', 'availabilityconditionsheader',
601 get_string('restrictaccess', 'availability'));
602 // Note: This field cannot be named 'availability' because that
603 // conflicts with fields in existing modules (such as assign).
604 // So it uses a long name that will not conflict.
605 $mform->addElement('textarea', 'availabilityconditionsjson',
606 get_string('accessrestrictions', 'availability'));
607 // The _cm variable may not be a proper cm_info, so get one from modinfo.
609 $modinfo = get_fast_modinfo($COURSE);
610 $cm = $modinfo->get_cm($this->_cm->id);
614 \core_availability\frontend::include_all_javascript($COURSE, $cm);
617 // Conditional activities: completion tracking section
618 if(!isset($completion)) {
619 $completion = new completion_info($COURSE);
621 if ($completion->is_enabled()) {
622 $mform->addElement('header', 'activitycompletionheader', get_string('activitycompletion', 'completion'));
623 // Unlock button for if people have completed it (will
624 // be removed in definition_after_data if they haven't)
625 $mform->addElement('submit', 'unlockcompletion', get_string('unlockcompletion', 'completion'));
626 $mform->registerNoSubmitButton('unlockcompletion');
627 $mform->addElement('hidden', 'completionunlocked', 0);
628 $mform->setType('completionunlocked', PARAM_INT);
630 $trackingdefault = COMPLETION_TRACKING_NONE;
631 // If system and activity default is on, set it.
632 if ($CFG->completiondefault && $this->_features->defaultcompletion) {
633 $hasrules = plugin_supports('mod', $this->_modname, FEATURE_COMPLETION_HAS_RULES, true);
634 $tracksviews = plugin_supports('mod', $this->_modname, FEATURE_COMPLETION_TRACKS_VIEWS, true);
635 if ($hasrules || $tracksviews) {
636 $trackingdefault = COMPLETION_TRACKING_AUTOMATIC;
638 $trackingdefault = COMPLETION_TRACKING_MANUAL;
642 $mform->addElement('select', 'completion', get_string('completion', 'completion'),
643 array(COMPLETION_TRACKING_NONE=>get_string('completion_none', 'completion'),
644 COMPLETION_TRACKING_MANUAL=>get_string('completion_manual', 'completion')));
645 $mform->setDefault('completion', $trackingdefault);
646 $mform->addHelpButton('completion', 'completion', 'completion');
648 // Automatic completion once you view it
649 $gotcompletionoptions = false;
650 if (plugin_supports('mod', $this->_modname, FEATURE_COMPLETION_TRACKS_VIEWS, false)) {
651 $mform->addElement('checkbox', 'completionview', get_string('completionview', 'completion'),
652 get_string('completionview_desc', 'completion'));
653 $mform->hideIf('completionview', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
654 // Check by default if automatic completion tracking is set.
655 if ($trackingdefault == COMPLETION_TRACKING_AUTOMATIC) {
656 $mform->setDefault('completionview', 1);
658 $gotcompletionoptions = true;
661 // Automatic completion once it's graded
662 if (plugin_supports('mod', $this->_modname, FEATURE_GRADE_HAS_GRADE, false)) {
663 $mform->addElement('checkbox', 'completionusegrade', get_string('completionusegrade', 'completion'),
664 get_string('completionusegrade_desc', 'completion'));
665 $mform->hideIf('completionusegrade', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
666 $mform->addHelpButton('completionusegrade', 'completionusegrade', 'completion');
667 $gotcompletionoptions = true;
669 // If using the rating system, there is no grade unless ratings are enabled.
670 if ($this->_features->rating) {
671 $mform->disabledIf('completionusegrade', 'assessed', 'eq', 0);
675 // Automatic completion according to module-specific rules
676 $this->_customcompletionelements = $this->add_completion_rules();
677 foreach ($this->_customcompletionelements as $element) {
678 $mform->hideIf($element, 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
681 $gotcompletionoptions = $gotcompletionoptions ||
682 count($this->_customcompletionelements)>0;
684 // Automatic option only appears if possible
685 if ($gotcompletionoptions) {
686 $mform->getElement('completion')->addOption(
687 get_string('completion_automatic', 'completion'),
688 COMPLETION_TRACKING_AUTOMATIC);
691 // Completion expected at particular date? (For progress tracking)
692 $mform->addElement('date_time_selector', 'completionexpected', get_string('completionexpected', 'completion'),
693 array('optional' => true));
694 $mform->addHelpButton('completionexpected', 'completionexpected', 'completion');
695 $mform->hideIf('completionexpected', 'completion', 'eq', COMPLETION_TRACKING_NONE);
698 // Populate module tags.
699 if (core_tag_tag::is_enabled('core', 'course_modules')) {
700 $mform->addElement('header', 'tagshdr', get_string('tags', 'tag'));
701 $mform->addElement('tags', 'tags', get_string('tags'), array('itemtype' => 'course_modules', 'component' => 'core'));
703 $tags = core_tag_tag::get_item_tags_array('core', 'course_modules', $this->_cm->id);
704 $mform->setDefault('tags', $tags);
708 $this->standard_hidden_coursemodule_elements();
710 $this->plugin_extend_coursemodule_standard_elements();
714 * Add rating settings.
716 * @param moodleform_mod $mform
717 * @param int $itemnumber
719 protected function add_rating_settings($mform, int $itemnumber) {
720 global $CFG, $COURSE;
722 if ($this->gradedorrated && $this->gradedorrated !== 'rated') {
725 $this->gradedorrated = 'rated';
727 require_once("{$CFG->dirroot}/rating/lib.php");
728 $rm = new rating_manager();
730 $component = "mod_{$this->_modname}";
731 $gradecatfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'gradecat');
732 $gradepassfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'gradepass');
733 $assessedfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'assessed');
734 $scalefieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'scale');
736 $mform->addElement('header', 'modstandardratings', get_string('ratings', 'rating'));
738 $isupdate = !empty($this->_cm);
740 $rolenamestring = null;
742 $context = context_module::instance($this->_cm->id);
743 $capabilities = ['moodle/rating:rate', "mod/{$this->_cm->modname}:rate"];
744 $rolenames = get_role_names_with_caps_in_context($context, $capabilities);
745 $rolenamestring = implode(', ', $rolenames);
747 $rolenamestring = get_string('capabilitychecknotavailable', 'rating');
750 $mform->addElement('static', 'rolewarning', get_string('rolewarning', 'rating'), $rolenamestring);
751 $mform->addHelpButton('rolewarning', 'rolewarning', 'rating');
753 $mform->addElement('select', $assessedfieldname, get_string('aggregatetype', 'rating') , $rm->get_aggregate_types());
754 $mform->setDefault($assessedfieldname, 0);
755 $mform->addHelpButton($assessedfieldname, 'aggregatetype', 'rating');
758 'isupdate' => $isupdate,
759 'currentgrade' => false,
760 'hasgrades' => false,
761 'canrescale' => false,
762 'useratings' => true,
765 $gradeitem = grade_item::fetch([
767 'itemmodule' => $this->_cm->modname,
768 'iteminstance' => $this->_cm->instance,
769 'itemnumber' => $itemnumber,
770 'courseid' => $COURSE->id,
773 $gradeoptions['currentgrade'] = $gradeitem->grademax;
774 $gradeoptions['currentgradetype'] = $gradeitem->gradetype;
775 $gradeoptions['currentscaleid'] = $gradeitem->scaleid;
776 $gradeoptions['hasgrades'] = $gradeitem->has_grades();
780 $mform->addElement('modgrade', $scalefieldname, get_string('scale'), $gradeoptions);
781 $mform->hideIf($scalefieldname, $assessedfieldname, 'eq', 0);
782 $mform->addHelpButton($scalefieldname, 'modgrade', 'grades');
783 $mform->setDefault($scalefieldname, $CFG->gradepointdefault);
785 $mform->addElement('checkbox', 'ratingtime', get_string('ratingtime', 'rating'));
786 $mform->hideIf('ratingtime', $assessedfieldname, 'eq', 0);
788 $mform->addElement('date_time_selector', 'assesstimestart', get_string('from'));
789 $mform->hideIf('assesstimestart', $assessedfieldname, 'eq', 0);
790 $mform->hideIf('assesstimestart', 'ratingtime');
792 $mform->addElement('date_time_selector', 'assesstimefinish', get_string('to'));
793 $mform->hideIf('assesstimefinish', $assessedfieldname, 'eq', 0);
794 $mform->hideIf('assesstimefinish', 'ratingtime');
796 if ($this->_features->gradecat) {
800 get_string('gradecategoryonmodform', 'grades'),
801 grade_get_categories_menu($COURSE->id, $this->_outcomesused)
803 $mform->addHelpButton($gradecatfieldname, 'gradecategoryonmodform', 'grades');
804 $mform->hideIf($gradecatfieldname, $assessedfieldname, 'eq', 0);
805 $mform->hideIf($gradecatfieldname, "{$scalefieldname}[modgrade_type]", 'eq', 'none');
809 $mform->addElement('text', $gradepassfieldname, get_string('gradepass', 'grades'));
810 $mform->addHelpButton($gradepassfieldname, 'gradepass', 'grades');
811 $mform->setDefault($gradepassfieldname, '');
812 $mform->setType($gradepassfieldname, PARAM_RAW);
813 $mform->hideIf($gradepassfieldname, $assessedfieldname, 'eq', '0');
814 $mform->hideIf($gradepassfieldname, "{$scalefieldname}[modgrade_type]", 'eq', 'none');
818 * Plugins can extend the coursemodule settings form.
820 protected function plugin_extend_coursemodule_standard_elements() {
821 $callbacks = get_plugins_with_function('coursemodule_standard_elements', 'lib.php');
822 foreach ($callbacks as $type => $plugins) {
823 foreach ($plugins as $plugin => $pluginfunction) {
824 // We have exposed all the important properties with public getters - and the callback can manipulate the mform
826 $pluginfunction($this, $this->_form);
832 * Can be overridden to add custom completion rules if the module wishes
833 * them. If overriding this, you should also override completion_rule_enabled.
835 * Just add elements to the form as needed and return the list of IDs. The
836 * system will call disabledIf and handle other behaviour for each returned
838 * @return array Array of string IDs of added items, empty array if none
840 function add_completion_rules() {
845 * Called during validation. Override to indicate, based on the data, whether
846 * a custom completion rule is enabled (selected).
848 * @param array $data Input data (not yet validated)
849 * @return bool True if one or more rules is enabled, false if none are;
850 * default returns false
852 function completion_rule_enabled($data) {
856 function standard_hidden_coursemodule_elements(){
857 $mform =& $this->_form;
858 $mform->addElement('hidden', 'course', 0);
859 $mform->setType('course', PARAM_INT);
861 $mform->addElement('hidden', 'coursemodule', 0);
862 $mform->setType('coursemodule', PARAM_INT);
864 $mform->addElement('hidden', 'section', 0);
865 $mform->setType('section', PARAM_INT);
867 $mform->addElement('hidden', 'module', 0);
868 $mform->setType('module', PARAM_INT);
870 $mform->addElement('hidden', 'modulename', '');
871 $mform->setType('modulename', PARAM_PLUGIN);
873 $mform->addElement('hidden', 'instance', 0);
874 $mform->setType('instance', PARAM_INT);
876 $mform->addElement('hidden', 'add', 0);
877 $mform->setType('add', PARAM_ALPHA);
879 $mform->addElement('hidden', 'update', 0);
880 $mform->setType('update', PARAM_INT);
882 $mform->addElement('hidden', 'return', 0);
883 $mform->setType('return', PARAM_BOOL);
885 $mform->addElement('hidden', 'sr', 0);
886 $mform->setType('sr', PARAM_INT);
889 public function standard_grading_coursemodule_elements() {
890 global $COURSE, $CFG;
892 if ($this->gradedorrated && $this->gradedorrated !== 'graded') {
895 if ($this->_features->rating) {
898 $this->gradedorrated = 'graded';
901 $component = "mod_{$this->_modname}";
902 $gradefieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'grade');
903 $gradecatfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'gradecat');
904 $gradepassfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'gradepass');
906 $mform =& $this->_form;
907 $isupdate = !empty($this->_cm);
908 $gradeoptions = array('isupdate' => $isupdate,
909 'currentgrade' => false,
910 'hasgrades' => false,
911 'canrescale' => $this->_features->canrescale,
912 'useratings' => $this->_features->rating);
914 if ($this->_features->hasgrades) {
915 if ($this->_features->gradecat) {
916 $mform->addElement('header', 'modstandardgrade', get_string('grade'));
919 //if supports grades and grades arent being handled via ratings
921 $gradeitem = grade_item::fetch(array('itemtype' => 'mod',
922 'itemmodule' => $this->_cm->modname,
923 'iteminstance' => $this->_cm->instance,
925 'courseid' => $COURSE->id));
927 $gradeoptions['currentgrade'] = $gradeitem->grademax;
928 $gradeoptions['currentgradetype'] = $gradeitem->gradetype;
929 $gradeoptions['currentscaleid'] = $gradeitem->scaleid;
930 $gradeoptions['hasgrades'] = $gradeitem->has_grades();
933 $mform->addElement('modgrade', $gradefieldname, get_string('grade'), $gradeoptions);
934 $mform->addHelpButton($gradefieldname, 'modgrade', 'grades');
935 $mform->setDefault($gradefieldname, $CFG->gradepointdefault);
937 if ($this->_features->advancedgrading
938 and !empty($this->current->_advancedgradingdata['methods'])
939 and !empty($this->current->_advancedgradingdata['areas'])) {
941 if (count($this->current->_advancedgradingdata['areas']) == 1) {
942 // if there is just one gradable area (most cases), display just the selector
943 // without its name to make UI simplier
944 $areadata = reset($this->current->_advancedgradingdata['areas']);
945 $areaname = key($this->current->_advancedgradingdata['areas']);
946 $mform->addElement('select', 'advancedgradingmethod_'.$areaname,
947 get_string('gradingmethod', 'core_grading'), $this->current->_advancedgradingdata['methods']);
948 $mform->addHelpButton('advancedgradingmethod_'.$areaname, 'gradingmethod', 'core_grading');
949 $mform->hideIf('advancedgradingmethod_'.$areaname, "{$gradefieldname}[modgrade_type]", 'eq', 'none');
952 // the module defines multiple gradable areas, display a selector
953 // for each of them together with a name of the area
954 $areasgroup = array();
955 foreach ($this->current->_advancedgradingdata['areas'] as $areaname => $areadata) {
956 $areasgroup[] = $mform->createElement('select', 'advancedgradingmethod_'.$areaname,
957 $areadata['title'], $this->current->_advancedgradingdata['methods']);
958 $areasgroup[] = $mform->createElement('static', 'advancedgradingareaname_'.$areaname, '', $areadata['title']);
960 $mform->addGroup($areasgroup, 'advancedgradingmethodsgroup', get_string('gradingmethods', 'core_grading'),
961 array(' ', '<br />'), false);
965 if ($this->_features->gradecat) {
966 $mform->addElement('select', $gradecatfieldname,
967 get_string('gradecategoryonmodform', 'grades'),
968 grade_get_categories_menu($COURSE->id, $this->_outcomesused));
969 $mform->addHelpButton($gradecatfieldname, 'gradecategoryonmodform', 'grades');
970 $mform->hideIf($gradecatfieldname, "{$gradefieldname}[modgrade_type]", 'eq', 'none');
974 $mform->addElement('text', $gradepassfieldname, get_string($gradepassfieldname, 'grades'));
975 $mform->addHelpButton($gradepassfieldname, $gradepassfieldname, 'grades');
976 $mform->setDefault($gradepassfieldname, '');
977 $mform->setType($gradepassfieldname, PARAM_RAW);
978 $mform->hideIf($gradepassfieldname, "{$gradefieldname}[modgrade_type]", 'eq', 'none');
983 * Add an editor for an activity's introduction field.
984 * @deprecated since MDL-49101 - use moodleform_mod::standard_intro_elements() instead.
985 * @param null $required Override system default for requiremodintro
986 * @param null $customlabel Override default label for editor
987 * @throws coding_exception
989 protected function add_intro_editor($required=null, $customlabel=null) {
990 $str = "Function moodleform_mod::add_intro_editor() is deprecated, use moodleform_mod::standard_intro_elements() instead.";
991 debugging($str, DEBUG_DEVELOPER);
993 $this->standard_intro_elements($customlabel);
998 * Add an editor for an activity's introduction field.
1000 * @param null $customlabel Override default label for editor
1001 * @throws coding_exception
1003 protected function standard_intro_elements($customlabel=null) {
1006 $required = $CFG->requiremodintro;
1008 $mform = $this->_form;
1009 $label = is_null($customlabel) ? get_string('moduleintro') : $customlabel;
1011 $mform->addElement('editor', 'introeditor', $label, array('rows' => 10), array('maxfiles' => EDITOR_UNLIMITED_FILES,
1012 'noclean' => true, 'context' => $this->context, 'subdirs' => true));
1013 $mform->setType('introeditor', PARAM_RAW); // no XSS prevention here, users must be trusted
1015 $mform->addRule('introeditor', get_string('required'), 'required', null, 'client');
1018 // If the 'show description' feature is enabled, this checkbox appears below the intro.
1019 // We want to hide that when using the singleactivity course format because it is confusing.
1020 if ($this->_features->showdescription && $this->courseformat->has_view_page()) {
1021 $mform->addElement('advcheckbox', 'showdescription', get_string('showdescription'));
1022 $mform->addHelpButton('showdescription', 'showdescription');
1027 * Overriding formslib's add_action_buttons() method, to add an extra submit "save changes and return" button.
1029 * @param bool $cancel show cancel button
1030 * @param string $submitlabel null means default, false means none, string is label text
1031 * @param string $submit2label null means default, false means none, string is label text
1034 function add_action_buttons($cancel=true, $submitlabel=null, $submit2label=null) {
1035 if (is_null($submitlabel)) {
1036 $submitlabel = get_string('savechangesanddisplay');
1039 if (is_null($submit2label)) {
1040 $submit2label = get_string('savechangesandreturntocourse');
1043 $mform = $this->_form;
1045 // elements in a row need a group
1046 $buttonarray = array();
1048 // Label for the submit button to return to the course.
1049 // Ignore this button in single activity format because it is confusing.
1050 if ($submit2label !== false && $this->courseformat->has_view_page()) {
1051 $buttonarray[] = &$mform->createElement('submit', 'submitbutton2', $submit2label);
1054 if ($submitlabel !== false) {
1055 $buttonarray[] = &$mform->createElement('submit', 'submitbutton', $submitlabel);
1059 $buttonarray[] = &$mform->createElement('cancel');
1062 $mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
1063 $mform->setType('buttonar', PARAM_RAW);
1064 $mform->closeHeaderBefore('buttonar');
1068 * Get the list of admin settings for this module and apply any locked settings.
1069 * This cannot happen in apply_admin_defaults because we do not the current values of the settings
1070 * in that function because set_data has not been called yet.
1074 protected function apply_admin_locked_flags() {
1077 if (!$this->applyadminlockedflags) {
1081 $settings = get_config($this->_modname);
1082 $mform = $this->_form;
1083 $lockedicon = html_writer::tag('span',
1084 $OUTPUT->pix_icon('t/locked', get_string('locked', 'admin')),
1085 array('class' => 'action-icon'));
1086 $isupdate = !empty($this->_cm);
1088 foreach ($settings as $name => $value) {
1089 if (strpos('_', $name) !== false) {
1092 if ($mform->elementExists($name)) {
1093 $element = $mform->getElement($name);
1094 $lockedsetting = $name . '_locked';
1095 if (!empty($settings->$lockedsetting)) {
1096 // Always lock locked settings for new modules,
1097 // for updates, only lock them if the current value is the same as the default (or there is no current value).
1098 $value = $settings->$name;
1099 if ($isupdate && isset($this->current->$name)) {
1100 $value = $this->current->$name;
1102 if ($value == $settings->$name) {
1103 $mform->setConstant($name, $settings->$name);
1104 $element->setLabel($element->getLabel() . $lockedicon);
1105 // Do not use hardfreeze because we need the hidden input to check dependencies.
1114 * Get the list of admin settings for this module and apply any defaults/advanced/locked settings.
1116 * @param $datetimeoffsets array - If passed, this is an array of fieldnames => times that the
1117 * default date/time value should be relative to. If not passed, all
1118 * date/time fields are set relative to the users current midnight.
1121 public function apply_admin_defaults($datetimeoffsets = array()) {
1122 // This flag triggers the settings to be locked in apply_admin_locked_flags().
1123 $this->applyadminlockedflags = true;
1125 $settings = get_config($this->_modname);
1126 $mform = $this->_form;
1127 $usermidnight = usergetmidnight(time());
1128 $isupdate = !empty($this->_cm);
1130 foreach ($settings as $name => $value) {
1131 if (strpos('_', $name) !== false) {
1134 if ($mform->elementExists($name)) {
1135 $element = $mform->getElement($name);
1137 if ($element->getType() == 'date_time_selector') {
1138 $enabledsetting = $name . '_enabled';
1139 if (empty($settings->$enabledsetting)) {
1140 $mform->setDefault($name, 0);
1142 $relativetime = $usermidnight;
1143 if (isset($datetimeoffsets[$name])) {
1144 $relativetime = $datetimeoffsets[$name];
1146 $mform->setDefault($name, $relativetime + $settings->$name);
1149 $mform->setDefault($name, $settings->$name);
1152 $advancedsetting = $name . '_adv';
1153 if (!empty($settings->$advancedsetting)) {
1154 $mform->setAdvanced($name);
1161 * Allows modules to modify the data returned by form get_data().
1162 * This method is also called in the bulk activity completion form.
1164 * Only available on moodleform_mod.
1166 * @param stdClass $data passed by reference
1168 public function data_postprocessing($data) {
1172 * Return submitted data if properly submitted or returns NULL if validation fails or
1173 * if there is no submitted data.
1175 * Do not override this method, override data_postprocessing() instead.
1177 * @return object submitted data; NULL if not valid or not submitted or cancelled
1179 public function get_data() {
1180 $data = parent::get_data();
1182 // Convert the grade pass value - we may be using a language which uses commas,
1183 // rather than decimal points, in numbers. These need to be converted so that
1184 // they can be added to the DB.
1185 if (isset($data->gradepass)) {
1186 $data->gradepass = unformat_float($data->gradepass);
1189 $this->data_postprocessing($data);