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moodleform_mod.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Moodleform.
*
* @package core_course
* @copyright Andrew Nicols <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once($CFG->libdir.'/formslib.php');
require_once($CFG->libdir.'/completionlib.php');
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->libdir.'/plagiarismlib.php');
use core\content\export\exporters\component_exporter;
use core_grades\component_gradeitems;
/**
* This class adds extra methods to form wrapper specific to be used for module add / update forms
* mod/{modname}/mod_form.php replaced deprecated mod/{modname}/mod.html Moodleform.
*
* @package core_course
* @copyright Andrew Nicols <[email protected]>
*/
abstract class moodleform_mod extends moodleform {
/** Current data */
protected $current;
/**
* Instance of the module that is being updated. This is the id of the {prefix}{modulename}
* record. Can be used in form definition. Will be "" if this is an 'add' form and not an
* update one.
*
* @var mixed
*/
protected $_instance;
/**
* Section of course that module instance will be put in or is in.
* This is always the section number itself (column 'section' from 'course_sections' table).
*
* @var int
*/
protected $_section;
/**
* Course module record of the module that is being updated. Will be null if this is an 'add' form and not an
* update one.
*
* @var mixed
*/
protected $_cm;
/**
* Current course.
*
* @var mixed
*/
protected $_course;
/**
* List of modform features
*/
protected $_features;
/**
* @var array Custom completion-rule elements, if enabled
*/
protected $_customcompletionelements;
/**
* @var string name of module.
*/
protected $_modname;
/** current context, course or module depends if already exists*/
protected $context;
/** a flag indicating whether outcomes are being used*/
protected $_outcomesused;
/**
* @var bool A flag used to indicate that this module should lock settings
* based on admin settings flags in definition_after_data.
*/
protected $applyadminlockedflags = false;
/** @var object The course format of the current course. */
protected $courseformat;
/** @var string Whether this is graded or rated. */
private $gradedorrated = null;
public function __construct($current, $section, $cm, $course) {
global $CFG;
$this->current = $current;
$this->_instance = $current->instance;
$this->_section = $section;
$this->_cm = $cm;
$this->_course = $course;
if ($this->_cm) {
$this->context = context_module::instance($this->_cm->id);
} else {
$this->context = context_course::instance($course->id);
}
// Set the course format.
require_once($CFG->dirroot . '/course/format/lib.php');
$this->courseformat = course_get_format($course);
// Guess module name if not set.
if (is_null($this->_modname)) {
$matches = array();
if (!preg_match('/^mod_([^_]+)_mod_form$/', get_class($this), $matches)) {
debugging('Rename form to mod_xx_mod_form, where xx is name of your module');
throw new \moodle_exception('unknownmodulename');
}
$this->_modname = $matches[1];
}
$this->init_features();
parent::__construct('modedit.php');
}
/**
* Old syntax of class constructor. Deprecated in PHP7.
*
* @deprecated since Moodle 3.1
*/
public function moodleform_mod($current, $section, $cm, $course) {
debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
self::__construct($current, $section, $cm, $course);
}
/**
* Get the current data for the form.
* @return stdClass|null
*/
public function get_current() {
return $this->current;
}
/**
* Get the DB record for the current instance.
* @return stdClass|null
*/
public function get_instance() {
return $this->_instance;
}
/**
* Get the course section number (relative).
* @return int
*/
public function get_section() {
return $this->_section;
}
/**
* Get the course id.
* @return int
*/
public function get_course() {
return $this->_course;
}
/**
* Get the course module object.
* @return stdClass|null
*/
public function get_coursemodule() {
return $this->_cm;
}
/**
* Return the course context for new modules, or the module context for existing modules.
* @return context
*/
public function get_context() {
return $this->context;
}
/**
* Return the features this module supports.
* @return stdClass
*/
public function get_features() {
return $this->_features;
}
protected function init_features() {
global $CFG;
$this->_features = new stdClass();
$this->_features->groups = plugin_supports('mod', $this->_modname, FEATURE_GROUPS, false);
$this->_features->groupings = plugin_supports('mod', $this->_modname, FEATURE_GROUPINGS, false);
$this->_features->outcomes = (!empty($CFG->enableoutcomes) and plugin_supports('mod', $this->_modname, FEATURE_GRADE_OUTCOMES, true));
$this->_features->hasgrades = plugin_supports('mod', $this->_modname, FEATURE_GRADE_HAS_GRADE, false);
$this->_features->idnumber = plugin_supports('mod', $this->_modname, FEATURE_IDNUMBER, true);
$this->_features->introeditor = plugin_supports('mod', $this->_modname, FEATURE_MOD_INTRO, true);
$this->_features->defaultcompletion = plugin_supports('mod', $this->_modname, FEATURE_MODEDIT_DEFAULT_COMPLETION, true);
$this->_features->rating = plugin_supports('mod', $this->_modname, FEATURE_RATE, false);
$this->_features->showdescription = plugin_supports('mod', $this->_modname, FEATURE_SHOW_DESCRIPTION, false);
$this->_features->gradecat = ($this->_features->outcomes or $this->_features->hasgrades);
$this->_features->advancedgrading = plugin_supports('mod', $this->_modname, FEATURE_ADVANCED_GRADING, false);
$this->_features->hasnoview = plugin_supports('mod', $this->_modname, FEATURE_NO_VIEW_LINK, false);
$this->_features->canrescale = (component_callback_exists('mod_' . $this->_modname, 'rescale_activity_grades') !== false);
}
/**
* Allows module to modify data returned by get_moduleinfo_data() or prepare_new_moduleinfo_data() before calling set_data()
* This method is also called in the bulk activity completion form.
*
* Only available on moodleform_mod.
*
* @param array $default_values passed by reference
*/
function data_preprocessing(&$default_values){
if (empty($default_values['scale'])) {
$default_values['assessed'] = 0;
}
if (empty($default_values['assessed'])){
$default_values['ratingtime'] = 0;
} else {
$default_values['ratingtime']=
($default_values['assesstimestart'] && $default_values['assesstimefinish']) ? 1 : 0;
}
}
/**
* Each module which defines definition_after_data() must call this method using parent::definition_after_data();
*/
function definition_after_data() {
global $CFG, $COURSE;
$mform =& $this->_form;
if ($id = $mform->getElementValue('update')) {
$modulename = $mform->getElementValue('modulename');
$instance = $mform->getElementValue('instance');
$component = "mod_{$modulename}";
if ($this->_features->gradecat) {
$hasgradeitems = false;
$items = grade_item::fetch_all([
'itemtype' => 'mod',
'itemmodule' => $modulename,
'iteminstance' => $instance,
'courseid' => $COURSE->id,
]);
$gradecategories = [];
$removecategories = [];
//will be no items if, for example, this activity supports ratings but rating aggregate type == no ratings
if (!empty($items)) {
foreach ($items as $item) {
if (!empty($item->outcomeid)) {
$elname = 'outcome_'.$item->outcomeid;
if ($mform->elementExists($elname)) {
$mform->hardFreeze($elname); // prevent removing of existing outcomes
}
} else {
$hasgradeitems = true;
}
}
foreach ($items as $item) {
$gradecatfieldname = component_gradeitems::get_field_name_for_itemnumber(
$component,
$item->itemnumber,
'gradecat'
);
if (!isset($gradecategories[$gradecatfieldname])) {
$gradecategories[$gradecatfieldname] = $item->categoryid;
} else if ($gradecategories[$gradecatfieldname] != $item->categoryid) {
$removecategories[$gradecatfieldname] = true;
}
}
}
foreach ($removecategories as $toremove) {
if ($mform->elementExists($toremove)) {
$mform->removeElement($toremove);
}
}
}
}
if ($COURSE->groupmodeforce) {
if ($mform->elementExists('groupmode')) {
// The groupmode can not be changed if forced from course settings.
$mform->hardFreeze('groupmode');
}
}
// Don't disable/remove groupingid if it is currently set to something, otherwise you cannot turn it off at same
// time as turning off other option (MDL-30764).
if (empty($this->_cm) || !$this->_cm->groupingid) {
if ($mform->elementExists('groupmode') && empty($COURSE->groupmodeforce)) {
$mform->hideIf('groupingid', 'groupmode', 'eq', NOGROUPS);
} else if (!$mform->elementExists('groupmode')) {
// Groupings have no use without groupmode.
if ($mform->elementExists('groupingid')) {
$mform->removeElement('groupingid');
}
// Nor does the group restrictions button.
if ($mform->elementExists('restrictgroupbutton')) {
$mform->removeElement('restrictgroupbutton');
}
}
}
// Completion: If necessary, freeze fields
$completion = new completion_info($COURSE);
if ($completion->is_enabled()) {
// If anybody has completed the activity, these options will be 'locked'
$completedcount = empty($this->_cm)
? 0
: $completion->count_user_data($this->_cm);
$freeze = false;
if (!$completedcount) {
if ($mform->elementExists('unlockcompletion')) {
$mform->removeElement('unlockcompletion');
}
// Automatically set to unlocked (note: this is necessary
// in order to make it recalculate completion once the option
// is changed, maybe someone has completed it now)
$mform->getElement('completionunlocked')->setValue(1);
} else {
// Has the element been unlocked, either by the button being pressed
// in this request, or the field already being set from a previous one?
if ($mform->exportValue('unlockcompletion') ||
$mform->exportValue('completionunlocked')) {
// Yes, add in warning text and set the hidden variable
$mform->insertElementBefore(
$mform->createElement('static', 'completedunlocked',
get_string('completedunlocked', 'completion'),
get_string('completedunlockedtext', 'completion')),
'unlockcompletion');
$mform->removeElement('unlockcompletion');
$mform->getElement('completionunlocked')->setValue(1);
} else {
// No, add in the warning text with the count (now we know
// it) before the unlock button
$mform->insertElementBefore(
$mform->createElement('static', 'completedwarning',
get_string('completedwarning', 'completion'),
get_string('completedwarningtext', 'completion', $completedcount)),
'unlockcompletion');
$freeze = true;
}
}
if ($freeze) {
$mform->freeze('completion');
if ($mform->elementExists('completionview')) {
$mform->freeze('completionview'); // don't use hardFreeze or checkbox value gets lost
}
if ($mform->elementExists('completionusegrade')) {
$mform->freeze('completionusegrade');
}
if ($mform->elementExists('completionpassgrade')) {
$mform->freeze('completionpassgrade');
// Has the completion pass grade completion criteria been set?
// If it has then we shouldn't change the gradepass field.
if ($mform->exportValue('completionpassgrade')) {
$mform->freeze('gradepass');
}
}
if ($mform->elementExists('completiongradeitemnumber')) {
$mform->freeze('completiongradeitemnumber');
}
$mform->freeze($this->_customcompletionelements);
}
}
// Freeze admin defaults if required (and not different from default)
$this->apply_admin_locked_flags();
$this->plugin_extend_coursemodule_definition_after_data();
}
// form verification
function validation($data, $files) {
global $COURSE, $DB, $CFG;
$mform =& $this->_form;
$errors = parent::validation($data, $files);
if ($mform->elementExists('name')) {
$name = trim($data['name']);
if ($name == '') {
$errors['name'] = get_string('required');
}
}
$grade_item = grade_item::fetch(array('itemtype'=>'mod', 'itemmodule'=>$data['modulename'],
'iteminstance'=>$data['instance'], 'itemnumber'=>0, 'courseid'=>$COURSE->id));
if ($data['coursemodule']) {
$cm = $DB->get_record('course_modules', array('id'=>$data['coursemodule']));
} else {
$cm = null;
}
if ($mform->elementExists('cmidnumber')) {
// verify the idnumber
if (!grade_verify_idnumber($data['cmidnumber'], $COURSE->id, $grade_item, $cm)) {
$errors['cmidnumber'] = get_string('idnumbertaken');
}
}
$component = "mod_{$this->_modname}";
$itemnames = component_gradeitems::get_itemname_mapping_for_component($component);
foreach ($itemnames as $itemnumber => $itemname) {
$gradefieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'grade');
$gradepassfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'gradepass');
$assessedfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'assessed');
$scalefieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'scale');
// Ratings: Don't let them select an aggregate type without selecting a scale.
// If the user has selected to use ratings but has not chosen a scale or set max points then the form is
// invalid. If ratings have been selected then the user must select either a scale or max points.
// This matches (horrible) logic in data_preprocessing.
if (isset($data[$assessedfieldname]) && $data[$assessedfieldname] > 0 && empty($data[$scalefieldname])) {
$errors[$assessedfieldname] = get_string('scaleselectionrequired', 'rating');
}
// Check that the grade pass is a valid number.
$gradepassvalid = false;
if (isset($data[$gradepassfieldname])) {
if (unformat_float($data[$gradepassfieldname], true) === false) {
$errors[$gradepassfieldname] = get_string('err_numeric', 'form');
} else {
$gradepassvalid = true;
}
}
// Grade to pass: ensure that the grade to pass is valid for points and scales.
// If we are working with a scale, convert into a positive number for validation.
if ($gradepassvalid && isset($data[$gradepassfieldname]) && (!empty($data[$gradefieldname]) || !empty($data[$scalefieldname]))) {
$scale = !empty($data[$gradefieldname]) ? $data[$gradefieldname] : $data[$scalefieldname];
if ($scale < 0) {
$scalevalues = $DB->get_record('scale', array('id' => -$scale));
$grade = count(explode(',', $scalevalues->scale));
} else {
$grade = $scale;
}
if (unformat_float($data[$gradepassfieldname]) > $grade) {
$errors[$gradepassfieldname] = get_string('gradepassgreaterthangrade', 'grades', $grade);
}
}
// We have a grade if there is a non-falsey value for:
// - the assessedfieldname for Ratings there; or
// - the gradefieldname for Ratings there.
if (empty($data[$assessedfieldname]) && empty($data[$gradefieldname])) {
// There are no grades set therefore completion is not allowed.
if (isset($data['completiongradeitemnumber']) && $data['completiongradeitemnumber'] == (string) $itemnumber) {
$errors['completiongradeitemnumber'] = get_string(
'badcompletiongradeitemnumber',
'completion',
get_string("grade_{$itemname}_name", $component)
);
}
}
if (isset($data['completionpassgrade']) && $data['completionpassgrade']) {
// We need to check whether there's a valid gradepass value.
// This can either be in completiongradeitemnumber when there are multiple options OR,
// The first grade item if completionusegrade is specified.
$validategradepass = false;
if (isset($data['completiongradeitemnumber'])) {
if ($data['completiongradeitemnumber'] == (string)$itemnumber) {
$validategradepass = true;
}
} else if (isset($data['completionusegrade']) && $data['completionusegrade']) {
$validategradepass = true;
}
// We need to make all the validations related with $gradepassfieldname
// with them being correct floats, keeping the originals unmodified for
// later validations / showing the form back...
// TODO: Note that once MDL-73994 is fixed we'll have to re-visit this and
// adapt the code below to the new values arriving here, without forgetting
// the special case of empties and nulls.
$gradepass = isset($data[$gradepassfieldname]) ? unformat_float($data[$gradepassfieldname]) : null;
// Confirm gradepass is a valid non-empty (null or zero) value.
if ($validategradepass && (is_null($gradepass) || $gradepass == 0)) {
$errors['completionpassgrade'] = get_string(
'activitygradetopassnotset',
'completion'
);
}
}
}
// Completion: Don't let them choose automatic completion without turning
// on some conditions. Ignore this check when completion settings are
// locked, as the options are then disabled.
$automaticcompletion = array_key_exists('completion', $data);
$automaticcompletion = $automaticcompletion && $data['completion'] == COMPLETION_TRACKING_AUTOMATIC;
$automaticcompletion = $automaticcompletion && !empty($data['completionunlocked']);
if ($automaticcompletion) {
// View to complete.
$rulesenabled = !empty($data['completionview']);
// Use grade to complete (only one grade item).
$rulesenabled = $rulesenabled || !empty($data['completionusegrade']) || !empty($data['completionpassgrade']);
// Use grade to complete (specific grade item).
if (!$rulesenabled && isset($data['completiongradeitemnumber'])) {
$rulesenabled = $data['completiongradeitemnumber'] != '';
}
// Module-specific completion rules.
$rulesenabled = $rulesenabled || $this->completion_rule_enabled($data);
if (!$rulesenabled) {
// No rules are enabled. Can't set automatically completed without rules.
$errors['completion'] = get_string('badautocompletion', 'completion');
}
}
// Availability: Check availability field does not have errors.
if (!empty($CFG->enableavailability)) {
\core_availability\frontend::report_validation_errors($data, $errors);
}
$pluginerrors = $this->plugin_extend_coursemodule_validation($data);
if (!empty($pluginerrors)) {
$errors = array_merge($errors, $pluginerrors);
}
return $errors;
}
/**
* Extend the validation function from any other plugin.
*
* @param stdClass $data The form data.
* @return array $errors The list of errors keyed by element name.
*/
protected function plugin_extend_coursemodule_validation($data) {
$errors = array();
$callbacks = get_plugins_with_function('coursemodule_validation', 'lib.php');
foreach ($callbacks as $type => $plugins) {
foreach ($plugins as $plugin => $pluginfunction) {
// We have exposed all the important properties with public getters - the errors array should be pass by reference.
$pluginerrors = $pluginfunction($this, $data);
if (!empty($pluginerrors)) {
$errors = array_merge($errors, $pluginerrors);
}
}
}
return $errors;
}
/**
* Load in existing data as form defaults. Usually new entry defaults are stored directly in
* form definition (new entry form); this function is used to load in data where values
* already exist and data is being edited (edit entry form).
*
* @param mixed $default_values object or array of default values
*/
function set_data($default_values) {
if (is_object($default_values)) {
$default_values = (array)$default_values;
}
$this->data_preprocessing($default_values);
parent::set_data($default_values);
}
/**
* Adds all the standard elements to a form to edit the settings for an activity module.
*/
protected function standard_coursemodule_elements() {
global $COURSE, $CFG, $DB;
$mform =& $this->_form;
$this->_outcomesused = false;
if ($this->_features->outcomes) {
if ($outcomes = grade_outcome::fetch_all_available($COURSE->id)) {
$this->_outcomesused = true;
$mform->addElement('header', 'modoutcomes', get_string('outcomes', 'grades'));
foreach($outcomes as $outcome) {
$mform->addElement('advcheckbox', 'outcome_'.$outcome->id, $outcome->get_name());
}
}
}
if ($this->_features->rating) {
$this->add_rating_settings($mform, 0);
}
$mform->addElement('header', 'modstandardelshdr', get_string('modstandardels', 'form'));
$section = get_fast_modinfo($COURSE)->get_section_info($this->_section);
$allowstealth =
!empty($CFG->allowstealth) &&
$this->courseformat->allow_stealth_module_visibility($this->_cm, $section) &&
!$this->_features->hasnoview;
if ($allowstealth && $section->visible) {
$modvisiblelabel = 'modvisiblewithstealth';
} else if ($section->visible) {
$modvisiblelabel = 'modvisible';
} else {
$modvisiblelabel = 'modvisiblehiddensection';
}
$mform->addElement('modvisible', 'visible', get_string($modvisiblelabel), null,
array('allowstealth' => $allowstealth, 'sectionvisible' => $section->visible, 'cm' => $this->_cm));
$mform->addHelpButton('visible', $modvisiblelabel);
if (!empty($this->_cm) && !has_capability('moodle/course:activityvisibility', $this->get_context())) {
$mform->hardFreeze('visible');
}
if ($this->_features->idnumber) {
$mform->addElement('text', 'cmidnumber', get_string('idnumbermod'));
$mform->setType('cmidnumber', PARAM_RAW);
$mform->addHelpButton('cmidnumber', 'idnumbermod');
}
if (has_capability('moodle/course:setforcedlanguage', $this->get_context())) {
$languages = ['' => get_string('forceno')];
$languages += get_string_manager()->get_list_of_translations();
$mform->addElement('select', 'lang', get_string('forcelanguage'), $languages);
}
if ($CFG->downloadcoursecontentallowed) {
$choices = [
DOWNLOAD_COURSE_CONTENT_DISABLED => get_string('no'),
DOWNLOAD_COURSE_CONTENT_ENABLED => get_string('yes'),
];
$mform->addElement('select', 'downloadcontent', get_string('downloadcontent', 'course'), $choices);
$downloadcontentdefault = $this->_cm->downloadcontent ?? DOWNLOAD_COURSE_CONTENT_ENABLED;
$mform->addHelpButton('downloadcontent', 'downloadcontent', 'course');
if (has_capability('moodle/course:configuredownloadcontent', $this->get_context())) {
$mform->setDefault('downloadcontent', $downloadcontentdefault);
} else {
$mform->hardFreeze('downloadcontent');
$mform->setConstant('downloadcontent', $downloadcontentdefault);
}
}
if ($this->_features->groups) {
$options = array(NOGROUPS => get_string('groupsnone'),
SEPARATEGROUPS => get_string('groupsseparate'),
VISIBLEGROUPS => get_string('groupsvisible'));
$mform->addElement('select', 'groupmode', get_string('groupmode', 'group'), $options, NOGROUPS);
$mform->addHelpButton('groupmode', 'groupmode', 'group');
}
if ($this->_features->groupings) {
// Groupings selector - used to select grouping for groups in activity.
$options = array();
if ($groupings = $DB->get_records('groupings', array('courseid'=>$COURSE->id))) {
foreach ($groupings as $grouping) {
$options[$grouping->id] = format_string($grouping->name);
}
}
core_collator::asort($options);
$options = array(0 => get_string('none')) + $options;
$mform->addElement('select', 'groupingid', get_string('grouping', 'group'), $options);
$mform->addHelpButton('groupingid', 'grouping', 'group');
}
if (!empty($CFG->enableavailability)) {
// Add special button to end of previous section if groups/groupings
// are enabled.
$availabilityplugins = \core\plugininfo\availability::get_enabled_plugins();
$groupavailability = $this->_features->groups && array_key_exists('group', $availabilityplugins);
$groupingavailability = $this->_features->groupings && array_key_exists('grouping', $availabilityplugins);
if ($groupavailability || $groupingavailability) {
// When creating the button, we need to set type=button to prevent it behaving as a submit.
$mform->addElement('static', 'restrictgroupbutton', '',
html_writer::tag('button', get_string('restrictbygroup', 'availability'), [
'id' => 'restrictbygroup',
'type' => 'button',
'disabled' => 'disabled',
'class' => 'btn btn-secondary',
'data-groupavailability' => $groupavailability,
'data-groupingavailability' => $groupingavailability
])
);
}
// Availability field. This is just a textarea; the user interface
// interaction is all implemented in JavaScript.
$mform->addElement('header', 'availabilityconditionsheader',
get_string('restrictaccess', 'availability'));
// Note: This field cannot be named 'availability' because that
// conflicts with fields in existing modules (such as assign).
// So it uses a long name that will not conflict.
$mform->addElement('textarea', 'availabilityconditionsjson',
get_string('accessrestrictions', 'availability'));
// The _cm variable may not be a proper cm_info, so get one from modinfo.
if ($this->_cm) {
$modinfo = get_fast_modinfo($COURSE);
$cm = $modinfo->get_cm($this->_cm->id);
} else {
$cm = null;
}
\core_availability\frontend::include_all_javascript($COURSE, $cm);
}
// Conditional activities: completion tracking section
if(!isset($completion)) {
$completion = new completion_info($COURSE);
}
if ($completion->is_enabled()) {
$mform->addElement('header', 'activitycompletionheader', get_string('activitycompletion', 'completion'));
// Unlock button for if people have completed it (will
// be removed in definition_after_data if they haven't)
$mform->addElement('submit', 'unlockcompletion', get_string('unlockcompletion', 'completion'));
$mform->registerNoSubmitButton('unlockcompletion');
$mform->addElement('hidden', 'completionunlocked', 0);
$mform->setType('completionunlocked', PARAM_INT);
$trackingdefault = COMPLETION_TRACKING_NONE;
// If system and activity default is on, set it.
if ($CFG->completiondefault && $this->_features->defaultcompletion) {
$hasrules = plugin_supports('mod', $this->_modname, FEATURE_COMPLETION_HAS_RULES, true);
$tracksviews = plugin_supports('mod', $this->_modname, FEATURE_COMPLETION_TRACKS_VIEWS, true);
if ($hasrules || $tracksviews) {
$trackingdefault = COMPLETION_TRACKING_AUTOMATIC;
} else {
$trackingdefault = COMPLETION_TRACKING_MANUAL;
}
}
$mform->addElement('select', 'completion', get_string('completion', 'completion'),
array(COMPLETION_TRACKING_NONE=>get_string('completion_none', 'completion'),
COMPLETION_TRACKING_MANUAL=>get_string('completion_manual', 'completion')));
$mform->setDefault('completion', $trackingdefault);
$mform->addHelpButton('completion', 'completion', 'completion');
// Automatic completion once you view it
$gotcompletionoptions = false;
if (plugin_supports('mod', $this->_modname, FEATURE_COMPLETION_TRACKS_VIEWS, false)) {
$mform->addElement('checkbox', 'completionview', get_string('completionview', 'completion'),
get_string('completionview_desc', 'completion'));
$mform->hideIf('completionview', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
// Check by default if automatic completion tracking is set.
if ($trackingdefault == COMPLETION_TRACKING_AUTOMATIC) {
$mform->setDefault('completionview', 1);
}
$gotcompletionoptions = true;
}
if (plugin_supports('mod', $this->_modname, FEATURE_GRADE_HAS_GRADE, false)) {
// This activity supports grading.
$gotcompletionoptions = true;
$component = "mod_{$this->_modname}";
$itemnames = component_gradeitems::get_itemname_mapping_for_component($component);
if (count($itemnames) === 1) {
// Only one gradeitem in this activity.
// We use the completionusegrade field here.
$mform->addElement(
'checkbox',
'completionusegrade',
get_string('completionusegrade', 'completion'),
get_string('completionusegrade_desc', 'completion')
);
$mform->hideIf('completionusegrade', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
$mform->addHelpButton('completionusegrade', 'completionusegrade', 'completion');
// Complete if the user has reached the pass grade.
$mform->addElement(
'checkbox',
'completionpassgrade', null,
get_string('completionpassgrade_desc', 'completion')
);
$mform->hideIf('completionpassgrade', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
$mform->disabledIf('completionpassgrade', 'completionusegrade', 'notchecked');
$mform->addHelpButton('completionpassgrade', 'completionpassgrade', 'completion');
// The disabledIf logic differs between ratings and other grade items due to different field types.
if ($this->_features->rating) {
// If using the rating system, there is no grade unless ratings are enabled.
$mform->disabledIf('completionusegrade', 'assessed', 'eq', 0);
$mform->disabledIf('completionpassgrade', 'assessed', 'eq', 0);
} else {
// All other field types use the '$gradefieldname' field's modgrade_type.
$itemnumbers = array_keys($itemnames);
$itemnumber = array_shift($itemnumbers);
$gradefieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'grade');
$mform->disabledIf('completionusegrade', "{$gradefieldname}[modgrade_type]", 'eq', 'none');
$mform->disabledIf('completionpassgrade', "{$gradefieldname}[modgrade_type]", 'eq', 'none');
}
} else if (count($itemnames) > 1) {
// There are multiple grade items in this activity.
// Show them all.
$options = [
'' => get_string('activitygradenotrequired', 'completion'),
];
foreach ($itemnames as $itemnumber => $itemname) {
$options[$itemnumber] = get_string("grade_{$itemname}_name", $component);
}
$mform->addElement(
'select',
'completiongradeitemnumber',
get_string('completionusegrade', 'completion'),
$options
);
$mform->hideIf('completiongradeitemnumber', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
// Complete if the user has reached the pass grade.
$mform->addElement(
'checkbox',
'completionpassgrade', null,
get_string('completionpassgrade_desc', 'completion')
);
$mform->hideIf('completionpassgrade', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
$mform->disabledIf('completionpassgrade', 'completiongradeitemnumber', 'eq', '');
$mform->addHelpButton('completionpassgrade', 'completionpassgrade', 'completion');
}
}
// Automatic completion according to module-specific rules
$this->_customcompletionelements = $this->add_completion_rules();
foreach ($this->_customcompletionelements as $element) {
$mform->hideIf($element, 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
}
$gotcompletionoptions = $gotcompletionoptions ||
count($this->_customcompletionelements)>0;
// Automatic option only appears if possible
if ($gotcompletionoptions) {
$mform->getElement('completion')->addOption(
get_string('completion_automatic', 'completion'),
COMPLETION_TRACKING_AUTOMATIC);
}
// Completion expected at particular date? (For progress tracking)
$mform->addElement('date_time_selector', 'completionexpected', get_string('completionexpected', 'completion'),
array('optional' => true));
$mform->addHelpButton('completionexpected', 'completionexpected', 'completion');
$mform->hideIf('completionexpected', 'completion', 'eq', COMPLETION_TRACKING_NONE);
}
// Populate module tags.
if (core_tag_tag::is_enabled('core', 'course_modules')) {
$mform->addElement('header', 'tagshdr', get_string('tags', 'tag'));
$mform->addElement('tags', 'tags', get_string('tags'), array('itemtype' => 'course_modules', 'component' => 'core'));
if ($this->_cm) {
$tags = core_tag_tag::get_item_tags_array('core', 'course_modules', $this->_cm->id);
$mform->setDefault('tags', $tags);
}
}
$this->standard_hidden_coursemodule_elements();
$this->plugin_extend_coursemodule_standard_elements();
}
/**
* Add rating settings.
*
* @param moodleform_mod $mform
* @param int $itemnumber
*/
protected function add_rating_settings($mform, int $itemnumber) {
global $CFG, $COURSE;
if ($this->gradedorrated && $this->gradedorrated !== 'rated') {
return;
}
$this->gradedorrated = 'rated';
require_once("{$CFG->dirroot}/rating/lib.php");
$rm = new rating_manager();
$component = "mod_{$this->_modname}";
$gradecatfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'gradecat');
$gradepassfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'gradepass');
$assessedfieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'assessed');
$scalefieldname = component_gradeitems::get_field_name_for_itemnumber($component, $itemnumber, 'scale');
$mform->addElement('header', 'modstandardratings', get_string('ratings', 'rating'));
$isupdate = !empty($this->_cm);
$rolenamestring = null;
if ($isupdate) {
$capabilities = ['moodle/rating:rate', "mod/{$this->_cm->modname}:rate"];
$rolenames = get_role_names_with_caps_in_context($this->get_context(), $capabilities);
$rolenamestring = implode(', ', $rolenames);
} else {
$rolenamestring = get_string('capabilitychecknotavailable', 'rating');
}
$mform->addElement('static', 'rolewarning', get_string('rolewarning', 'rating'), $rolenamestring);
$mform->addHelpButton('rolewarning', 'rolewarning', 'rating');
$mform->addElement('select', $assessedfieldname, get_string('aggregatetype', 'rating') , $rm->get_aggregate_types());
$mform->setDefault($assessedfieldname, 0);
$mform->addHelpButton($assessedfieldname, 'aggregatetype', 'rating');
$gradeoptions = [
'isupdate' => $isupdate,
'currentgrade' => false,
'hasgrades' => false,
'canrescale' => false,
'useratings' => true,
];
if ($isupdate) {
$gradeitem = grade_item::fetch([
'itemtype' => 'mod',
'itemmodule' => $this->_cm->modname,
'iteminstance' => $this->_cm->instance,
'itemnumber' => $itemnumber,
'courseid' => $COURSE->id,
]);
if ($gradeitem) {
$gradeoptions['currentgrade'] = $gradeitem->grademax;
$gradeoptions['currentgradetype'] = $gradeitem->gradetype;
$gradeoptions['currentscaleid'] = $gradeitem->scaleid;
$gradeoptions['hasgrades'] = $gradeitem->has_grades();
}
}
$mform->addElement('modgrade', $scalefieldname, get_string('scale'), $gradeoptions);
$mform->hideIf($scalefieldname, $assessedfieldname, 'eq', 0);
$mform->addHelpButton($scalefieldname, 'modgrade', 'grades');
$mform->setDefault($scalefieldname, $CFG->gradepointdefault);
$mform->addElement('checkbox', 'ratingtime', get_string('ratingtime', 'rating'));
$mform->hideIf('ratingtime', $assessedfieldname, 'eq', 0);
$mform->addElement('date_time_selector', 'assesstimestart', get_string('from'));
$mform->hideIf('assesstimestart', $assessedfieldname, 'eq', 0);
$mform->hideIf('assesstimestart', 'ratingtime');
$mform->addElement('date_time_selector', 'assesstimefinish', get_string('to'));
$mform->hideIf('assesstimefinish', $assessedfieldname, 'eq', 0);
$mform->hideIf('assesstimefinish', 'ratingtime');
if ($this->_features->gradecat) {
$mform->addElement(
'select',
$gradecatfieldname,
get_string('gradecategoryonmodform', 'grades'),
grade_get_categories_menu($COURSE->id, $this->_outcomesused)
);
$mform->addHelpButton($gradecatfieldname, 'gradecategoryonmodform', 'grades');
$mform->hideIf($gradecatfieldname, $assessedfieldname, 'eq', 0);
$mform->hideIf($gradecatfieldname, "{$scalefieldname}[modgrade_type]", 'eq', 'none');
}
// Grade to pass.
$mform->addElement('float', $gradepassfieldname, get_string('gradepass', 'grades'));
$mform->addHelpButton($gradepassfieldname, 'gradepass', 'grades');
$mform->setDefault($gradepassfieldname, '');
$mform->hideIf($gradepassfieldname, $assessedfieldname, 'eq', '0');
$mform->hideIf($gradepassfieldname, "{$scalefieldname}[modgrade_type]", 'eq', 'none');
}
/**
* Plugins can extend the coursemodule settings form.
*/
protected function plugin_extend_coursemodule_standard_elements() {
$callbacks = get_plugins_with_function('coursemodule_standard_elements', 'lib.php');
foreach ($callbacks as $type => $plugins) {
foreach ($plugins as $plugin => $pluginfunction) {
// We have exposed all the important properties with public getters - and the callback can manipulate the mform
// directly.
$pluginfunction($this, $this->_form);
}
}
}
/**
* Plugins can extend the coursemodule settings form after the data is set.
*/
protected function plugin_extend_coursemodule_definition_after_data() {
$callbacks = get_plugins_with_function('coursemodule_definition_after_data', 'lib.php');