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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/>.//// This file is part of BasicLTI4Moodle//// BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)// consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web// based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI// specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS// are already supporting or going to support BasicLTI. This project Implements the consumer// for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.// BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem// at the GESSI research group at UPC.// SimpleLTI consumer for Moodle is an implementation of the early specification of LTI// by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a// Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.//// BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis// of the Universitat Politecnica de Catalunya http://www.upc.edu// Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu./*** This file defines the main lti configuration form** @package mod_lti* @copyright 2009 Marc Alier, Jordi Piguillem, Nikolas Galanis* marc.alier@upc.edu* @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu* @author Marc Alier* @author Jordi Piguillem* @author Nikolas Galanis* @author Chris Scribner* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later*/defined('MOODLE_INTERNAL') || die;require_once($CFG->dirroot.'/course/moodleform_mod.php');require_once($CFG->dirroot.'/mod/lti/locallib.php');class mod_lti_mod_form extends moodleform_mod {/** @var int the tool typeid, or 0 if the instance form is being created for a manually configured tool instance.*/protected int $typeid;/** @var string|null type */protected ?string $type;/*** Constructor.** Throws an exception if trying to init the form for a new manual instance of a tool, which is not supported in 4.3 onward.** @param \stdClass $current the current form data.* @param string $section the section number.* @param \stdClass $cm the course module object.* @param \stdClass $course the course object.* @throws moodle_exception if trying to init the form for the creation of a manual instance, which is no longer supported.*/public function __construct($current, $section, $cm, $course) {// Setup some of the pieces used to control display in the form definition() method.// Type ID parameter being passed when adding an preconfigured tool from activity chooser.$this->typeid = optional_param('typeid', 0, PARAM_INT);$this->type = optional_param('type', null, PARAM_ALPHA);// Only permit construction if the form deals with editing an existing instance (current->id not empty), or creating an// instance from a preconfigured tool type ($this->typeid not empty). Make an exception for callers, such as core_completion// which aren't instantiating the form with the expected data, by checking whether the page has been set up, which is the// case for normal uses.global $PAGE;if ($PAGE->has_set_url() && str_contains($PAGE->url, '/course/modedit.php')) {if (empty($this->typeid) && empty($current->id)) {throw new moodle_exception('lti:addmanualinstanceprohibitederror', 'mod_lti');}}parent::__construct($current, $section, $cm, $course);}/*** Defines the form for legacy instances. Here tool config is frozen because the manual configuration method is deprecated.** @param array $instancetypes the array of options for the legacy 'preconfigured tools' select.* @return void*/protected function legacy_instance_form_definition(array $instancetypes): void {global $OUTPUT;// The legacy form handles instances which are either entirely manually configured (current->typeid = 0), or which are// manually configured and have been domain-matched to a preconfigured tool (current->typeid != 0).$manualinstance = empty($this->current->typeid);$matchestoolnotavailabletocourse = !$manualinstance;$typeid = $manualinstance ? '0' : $this->current->typeid;// Since 'mod/lti:addmanualinstance' capability is deprecated, determining which users may have had access to the certain// form fields (the manual config fields) isn't straightforward. Users without 'mod/lti:addmanualinstance' would have only// been permitted to edit the basic instance fields (name, etc.), so care must be taken not to display the config fields to// these users. Users who can add/edit course tools (mod/lti:addcoursetool) are able to view tool information anyway, via// the tool definitions, so this capability is used as a replacement, to control access to these tool config fields.$canviewmanualconfig = has_capability('mod/lti:addcoursetool', $this->context);$showtypes = has_capability('mod/lti:addpreconfiguredinstance', $this->context);if ($manualinstance && !$canviewmanualconfig) {// If you cannot add a manual instance and this is already a manual instance, then remove the 'types' selector.$showtypes = false;}$mform =& $this->_form;// Show the deprecation notice, regardless of whether the user can view the tool configuration details or not.// They will still see locked privacy fields and should be informed as to why that is.$mform->addElement('html', $OUTPUT->notification(get_string('editmanualinstancedeprecationwarning', 'mod_lti', get_docs_url('External_tool')),\core\output\notification::NOTIFY_WARNING, false));// Adding the "general" fieldset, where all the common settings are shown.$mform->addElement('html', "<div data-attribute='dynamic-import' hidden aria-hidden='true' role='alert'></div>");$mform->addElement('header', 'general', get_string('general', 'form'));// Adding the standard "name" field.$mform->addElement('text', 'name', get_string('basicltiname', 'lti'), ['size' => '64']);$mform->setType('name', PARAM_TEXT);$mform->addRule('name', null, 'required', null, 'client');$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');// Adding the optional "intro" and "introformat" pair of fields.$this->standard_intro_elements(get_string('basicltiintro', 'lti'));$mform->setAdvanced('introeditor');// Display the label to the right of the checkbox so it looks better & matches rest of the form.if ($mform->elementExists('showdescription')) {$coursedesc = $mform->getElement('showdescription');if (!empty($coursedesc)) {$coursedesc->setText(' ' . $coursedesc->getLabel());$coursedesc->setLabel(' ');}}$mform->setAdvanced('showdescription');$mform->addElement('checkbox', 'showtitlelaunch', get_string('display_name', 'lti'));$mform->setAdvanced('showtitlelaunch');$mform->addHelpButton('showtitlelaunch', 'display_name', 'lti');$mform->addElement('checkbox', 'showdescriptionlaunch', get_string('display_description', 'lti'));$mform->setAdvanced('showdescriptionlaunch');$mform->addHelpButton('showdescriptionlaunch', 'display_description', 'lti');if ($showtypes) {if ($manualinstance) {// Legacy, manually configured instances: only freeze the element (not hardFreeze) so that disabledIf() still works.// The data in the select is restricted so that only the current value is deemed valid, preventing DOM-edit changes,// which are possible with frozen elements.$tooltypes = $mform->addElement('select', 'typeid', get_string('external_tool_type', 'lti'));$mform->addHelpButton('typeid', 'external_tool_type', 'lti');$manualinstanceoption = $instancetypes[0]; // The 'Automatic, based on tool URL' option.$tooltypes->addOption($manualinstanceoption->name, 0, []);$mform->freeze('typeid');} else if ($matchestoolnotavailabletocourse) {// Legacy instances domain-matched to site tools: use a hidden field for typeid and a static visual element when// displaying these instances so that the string value of typeid is still visible when the element is frozen.// This gets around the fact that a frozen select without a selected option will display nothing.$mform->addElement('hidden', 'typeid', $typeid);$mform->setType('typeid', PARAM_INT);$manualinstanceoption = $instancetypes[0]; // The 'Automatic, based on tool URL' option.$mform->addElement('static', 'typeiddisplayonly', get_string('external_tool_type', 'lti'),$manualinstanceoption->name);}} else {// Need to submit these still, but hidden to avoid instructor modification.$mform->addElement('hidden', 'typeid', $typeid);$mform->setType('typeid', PARAM_INT);}// Disable the content selection button unconditionally. Freeze/hardFreeze is unsuitable for buttons.$mform->addElement('button', 'selectcontent', get_string('selectcontent', 'lti'), ['disabled' => 'disabled']);$mform->disabledIf('selectcontent', 'typeid', 'eq', $typeid);if ($canviewmanualconfig) {$mform->addElement('text', 'toolurl', get_string('launch_url', 'lti'), ['size' => '64']);$mform->setType('toolurl', PARAM_URL);$mform->addHelpButton('toolurl', 'launch_url', 'lti');$mform->addElement('text', 'securetoolurl', get_string('secure_launch_url', 'lti'), ['size' => '64']);$mform->setType('securetoolurl', PARAM_URL);$mform->setAdvanced('securetoolurl');$mform->addHelpButton('securetoolurl', 'secure_launch_url', 'lti');} else {// Need to submit these still, but hidden to avoid instructor modification.$mform->addElement('hidden', 'toolurl', '', ['id' => 'id_toolurl']);$mform->setType('toolurl', PARAM_URL);$mform->addElement('hidden', 'securetoolurl', '', ['id' => 'id_securetoolurl']);$mform->setType('securetoolurl', PARAM_URL);}$mform->addElement('hidden', 'lineitemresourceid', '', ['id' => 'id_lineitemresourceid']);$mform->setType('lineitemresourceid', PARAM_TEXT);$mform->addElement('hidden', 'lineitemtag', '', ['id' => 'id_lineitemtag']);$mform->setType('lineitemtag', PARAM_TEXT);$mform->addElement('hidden', 'lineitemsubreviewurl', '', ['id' => 'id_lineitemsubreviewurl']);$mform->setType('lineitemsubreviewurl', PARAM_URL);$mform->addElement('hidden', 'lineitemsubreviewparams', '', ['id' => 'id_lineitemsubreviewparams']);$mform->setType('lineitemsubreviewparams', PARAM_TEXT);$launchoptions = [LTI_LAUNCH_CONTAINER_DEFAULT => get_string('default', 'lti'),LTI_LAUNCH_CONTAINER_EMBED => get_string('embed', 'lti'),LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS => get_string('embed_no_blocks', 'lti'),LTI_LAUNCH_CONTAINER_REPLACE_MOODLE_WINDOW => get_string('existing_window', 'lti'),LTI_LAUNCH_CONTAINER_WINDOW => get_string('new_window', 'lti')];$mform->addElement('select', 'launchcontainer', get_string('launchinpopup', 'lti'), $launchoptions);$mform->addHelpButton('launchcontainer', 'launchinpopup', 'lti');$mform->setAdvanced('launchcontainer');if ($canviewmanualconfig) {$mform->addElement('text', 'resourcekey', get_string('resourcekey', 'lti'));$mform->setType('resourcekey', PARAM_TEXT);$mform->setAdvanced('resourcekey');$mform->addHelpButton('resourcekey', 'resourcekey', 'lti');$mform->setForceLtr('resourcekey');$mform->addElement('passwordunmask', 'password', get_string('password', 'lti'));$mform->setType('password', PARAM_TEXT);$mform->setAdvanced('password');$mform->addHelpButton('password', 'password', 'lti');$mform->addElement('textarea', 'instructorcustomparameters', get_string('custom', 'lti'), ['rows' => 4, 'cols' => 60]);$mform->setType('instructorcustomparameters', PARAM_TEXT);$mform->setAdvanced('instructorcustomparameters');$mform->addHelpButton('instructorcustomparameters', 'custom', 'lti');$mform->setForceLtr('instructorcustomparameters');$mform->addElement('text', 'icon', get_string('icon_url', 'lti'), ['size' => '64']);$mform->setType('icon', PARAM_URL);$mform->setAdvanced('icon');$mform->addHelpButton('icon', 'icon_url', 'lti');$mform->addElement('text', 'secureicon', get_string('secure_icon_url', 'lti'), ['size' => '64']);$mform->setType('secureicon', PARAM_URL);$mform->setAdvanced('secureicon');$mform->addHelpButton('secureicon', 'secure_icon_url', 'lti');} else {// Need to submit these still, but hidden to avoid instructor modification.$mform->addElement('hidden', 'resourcekey', '', ['id' => 'id_resourcekey']);$mform->setType('resourcekey', PARAM_TEXT);$mform->addElement('hidden', 'password', '', ['id' => 'id_password']);$mform->setType('password', PARAM_TEXT);$mform->addElement('hidden', 'instructorcustomparameters', '', ['id' => 'id_instructorcustomparameters']);$mform->setType('instructorcustomparameters', PARAM_TEXT);$mform->addElement('hidden', 'icon', '', ['id' => 'id_icon']);$mform->setType('icon', PARAM_URL);$mform->addElement('hidden', 'secureicon', '', ['id' => 'id_secureicon']);$mform->setType('secureicon', PARAM_URL);}// Add privacy preferences fieldset where users choose whether to send their data.$mform->addElement('header', 'privacy', get_string('privacy', 'lti'));$mform->addElement('advcheckbox', 'instructorchoicesendname', get_string('share_name', 'lti'));$mform->addHelpButton('instructorchoicesendname', 'share_name', 'lti');$mform->addElement('advcheckbox', 'instructorchoicesendemailaddr', get_string('share_email', 'lti'));$mform->addHelpButton('instructorchoicesendemailaddr', 'share_email', 'lti');$mform->addElement('advcheckbox', 'instructorchoiceacceptgrades', get_string('accept_grades', 'lti'));$mform->addHelpButton('instructorchoiceacceptgrades', 'accept_grades', 'lti');// Add standard course module grading elements.$this->standard_grading_coursemodule_elements();// Add standard elements, common to all modules.$this->standard_coursemodule_elements();$mform->setAdvanced('cmidnumber');// Add standard buttons, common to all modules.$this->add_action_buttons();$mform->hardFreeze(['toolurl','securetoolurl','launchcontainer','instructorcustomparameters','icon','secureicon','instructorchoicesendname','instructorchoicesendemailaddr','instructorchoiceacceptgrades']);}public function definition() {global $PAGE, $OUTPUT, $COURSE;if ($this->type) {component_callback("ltisource_$this->type", 'add_instance_hook');}// Determine whether this tool instance is a manually configure instance (now deprecated).$manualinstance = empty($this->current->typeid) && empty($this->typeid);// Determine whether this tool instance is using a domain-matched site tool which is not visible at the course level.// In such a case, the instance has a typeid (the site tool) and toolurl (the url used to domain match the site tool) set,// and the type still exists (is not deleted).$instancetypes = lti_get_types_for_add_instance();$matchestoolnotavailabletocourse = false;if (!$manualinstance && !empty($this->current->toolurl)) {if (lti_get_type_config($this->current->typeid)) {$matchestoolnotavailabletocourse = !in_array($this->current->typeid, array_keys($instancetypes));}}// Display the legacy form, presenting a read-only view of the configuration for unsupported (since 4.3) instances, which:// - Are manually configured instances (no longer supported. course tools should be configured and used instead).// - Are domain-matched to a hidden site level tool (no longer supported. to be replaced by URL-based course tool creation)// Instances based on preconfigured tools and which are not domain matched as above, are still valid and will be shown using// the non-legacy form.if ($manualinstance || $matchestoolnotavailabletocourse) {$this->legacy_instance_form_definition($instancetypes);return;}$tooltypeid = $this->current->typeid ?? $this->typeid;$tooltype = lti_get_type($tooltypeid);// Store the id of the tool type should it be linked to a tool proxy, to aid in disabling certain form elements.$toolproxytypeid = $tooltype->toolproxyid ? $tooltypeid : '';$issitetooltype = $tooltype->course == get_site()->id;$mform =& $this->_form;// Adding the "general" fieldset, where all the common settings are shown.$mform->addElement('html', "<div data-attribute='dynamic-import' hidden aria-hidden='true' role='alert'></div>");$mform->addElement('header', 'general', get_string('general', 'form'));// For tools supporting content selection, add the 'Select content button'.$config = lti_get_type_config($tooltypeid);$supportscontentitemselection = !empty($config['contentitem']);if ($supportscontentitemselection) {$contentitemurl = new moodle_url('/mod/lti/contentitem.php');$contentbuttonattributes = ['data-contentitemurl' => $contentitemurl->out(false),];// If this is an instance, was it created based on content selection in a prior-edit (need to infer since not stored).$iscontentitem = !empty($this->current->id)&& (!empty($this->current->toolurl) || !empty($this->current->instructorcustomparameters)|| !empty($this->current->secureicon) || !empty($this->current->icon));$selectcontentindicatorinner = $iscontentitem ?$OUTPUT->pix_icon('i/valid', get_string('contentselected', 'mod_lti'), 'moodle', ['class' => 'mr-1']). get_string('contentselected', 'mod_lti') : '';$selectcontentindicator = html_writer::div($selectcontentindicatorinner, '',['aria-role' => 'status', 'id' => 'id_selectcontentindicator']);$selectcontentgrp = [$mform->createElement('button', 'selectcontent', get_string('selectcontent', 'mod_lti'), $contentbuttonattributes,['customclassoverride' => 'btn-secondary']),$mform->createElement('html', $selectcontentindicator),];$mform->addGroup($selectcontentgrp, 'selectcontentgroup', get_string('content'), ' ', false);}// Adding the standard "name" field.$mform->addElement('text', 'name', get_string('basicltiname', 'lti'), ['size' => '64']);$mform->setType('name', PARAM_TEXT);$mform->addRule('name', null, 'required', null, 'server');$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'server');// Show activity name when launched only applies to embedded type launches.if (in_array($config['launchcontainer'], [LTI_LAUNCH_CONTAINER_EMBED, LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS])) {$mform->addElement('checkbox', 'showtitlelaunch', get_string('display_name', 'lti'));$mform->setDefault('showtitlelaunch', true);$mform->addHelpButton('showtitlelaunch', 'display_name', 'lti');} else {// Include in the form anyway, so we retain the setting value in case the tool launch container is changed back.$mform->addElement('hidden', 'showtitlelaunch');$mform->setType('showtitlelaunch', PARAM_BOOL);}// Adding the optional "intro" and "introformat" pair of fields.$this->standard_intro_elements(get_string('basicltiintro', 'lti'));// Display the label to the right of the checkbox so it looks better & matches rest of the form.if ($mform->elementExists('showdescription')) {$coursedesc = $mform->getElement('showdescription');if (!empty($coursedesc)) {$coursedesc->setText(' ' . $coursedesc->getLabel());$coursedesc->setLabel(' ');}}// Show activity description when launched only applies to embedded type launches.if (in_array($config['launchcontainer'], [LTI_LAUNCH_CONTAINER_EMBED, LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS])) {$mform->addElement('checkbox', 'showdescriptionlaunch', get_string('display_description', 'lti'));$mform->addHelpButton('showdescriptionlaunch', 'display_description', 'lti');} else {// Include in the form anyway, so we retain the setting value in case the tool launch container is changed back.$mform->addElement('hidden', 'showdescriptionlaunch');$mform->setType('showdescriptionlaunch', PARAM_BOOL);}// Tool settings.$mform->addElement('hidden', 'typeid', $tooltypeid, ['id' => 'hidden_typeid']);$mform->setType('typeid', PARAM_INT);if (!empty($config['contentitem'])) {$mform->addElement('hidden', 'contentitem', 1);$mform->setType('contentitem', PARAM_INT);}// Included to support deep linking return, but hidden to avoid instructor modification.$mform->addElement('hidden', 'toolurl', '', ['id' => 'id_toolurl']);$mform->setType('toolurl', PARAM_URL);$mform->addElement('hidden', 'securetoolurl', '', ['id' => 'id_securetoolurl']);$mform->setType('securetoolurl', PARAM_URL);$mform->addElement('hidden', 'urlmatchedtypeid', '', ['id' => 'id_urlmatchedtypeid']);$mform->setType('urlmatchedtypeid', PARAM_INT);$mform->addElement('hidden', 'lineitemresourceid', '', ['id' => 'id_lineitemresourceid']);$mform->setType('lineitemresourceid', PARAM_TEXT);$mform->addElement('hidden', 'lineitemtag', '', ['id' => 'id_lineitemtag']);$mform->setType('lineitemtag', PARAM_TEXT);$mform->addElement('hidden', 'lineitemsubreviewurl', '', ['id' => 'id_lineitemsubreviewurl']);$mform->setType('lineitemsubreviewurl', PARAM_URL);$mform->addElement('hidden', 'lineitemsubreviewparams', '', ['id' => 'id_lineitemsubreviewparams']);$mform->setType('lineitemsubreviewparams', PARAM_TEXT);// Launch container is set to 'LTI_LAUNCH_CONTAINER_DEFAULT', meaning it'll delegate to the tool's configuration.// Existing instances using values other than this can continue to use their existing value but cannot change it.$mform->addElement('hidden', 'launchcontainer', LTI_LAUNCH_CONTAINER_DEFAULT);$mform->setType('launchcontainer', PARAM_INT);// Included to support deep linking return, but hidden to avoid instructor modification.$mform->addElement('hidden', 'resourcekey', '', ['id' => 'id_resourcekey']);$mform->setType('resourcekey', PARAM_TEXT);$mform->addElement('hidden', 'password', '', ['id' => 'id_password']);$mform->setType('password', PARAM_TEXT);$mform->addElement('textarea', 'instructorcustomparameters', get_string('custom', 'lti'),['rows' => 4, 'cols' => 60]);$mform->setType('instructorcustomparameters', PARAM_TEXT);$mform->setAdvanced('instructorcustomparameters');$mform->addHelpButton('instructorcustomparameters', 'custom', 'lti');$mform->setForceLtr('instructorcustomparameters');$mform->addElement('hidden', 'icon', '', ['id' => 'id_icon']);$mform->setType('icon', PARAM_URL);$mform->addElement('hidden', 'secureicon', '', ['id' => 'id_secureicon']);$mform->setType('secureicon', PARAM_URL);// Add standard course module grading elements, and show them if the tool type + instance config permits it.if (!empty($config['acceptgrades']) && in_array($config['acceptgrades'], [LTI_SETTING_ALWAYS, LTI_SETTING_DELEGATE])) {$elementnamesbeforegrading = $this->_form->_elementIndex;$this->standard_grading_coursemodule_elements();$elementnamesaftergrading = $this->_form->_elementIndex;// For all 'real' elements (not hidden or header) added as part of the standard grading elements, add a hideIf rule// making the element dependent on the 'accept grades from the tool' checkbox (instructorchoiceacceptgrades).$diff = array_diff($elementnamesaftergrading, $elementnamesbeforegrading);$diff = array_filter($diff, fn($key) => !in_array($this->_form->_elements[$key]->_type, ['hidden', 'header']));foreach ($diff as $gradeelementname => $gradeelementindex) {$mform->hideIf($gradeelementname, 'instructorchoiceacceptgrades', 'eq', 0);}// Extend the grade section with the 'accept grades from the tool' checkbox, allowing per-instance overrides of that// value according to the following rules:// - Site tools with 'acceptgrades' set to 'ALWAYS' do not permit overrides at the instance level; the checkbox is// omitted in such cases.// - Site tools with 'acceptgrades' set to 'DELEGATE' result in a checkbox that is defaulted to unchecked but which// permits overrides to 'yes/checked'.// - Course tools with 'acceptgrades' set to 'ALWAYS' result in a checkbox that is defaulted to checked but which// permits overrides to 'no/unchecked'.// - Course tools with 'acceptgrades' set to 'DELEGATE' result in a checkbox that is defaulted to unchecked but which// permits overrides to 'yes/checked'.if (($issitetooltype && $config['acceptgrades'] == LTI_SETTING_DELEGATE) || !$issitetooltype) {$mform->insertElementBefore($mform->createElement('advcheckbox','instructorchoiceacceptgrades',get_string('accept_grades_from_tool', 'mod_lti', $tooltype->name)),array_keys($diff)[0]);$acceptgradesdefault = !$issitetooltype && $config['acceptgrades'] == LTI_SETTING_ALWAYS ? '1' : '0';$mform->setDefault('instructorchoiceacceptgrades', $acceptgradesdefault);$mform->disabledIf('instructorchoiceacceptgrades', 'typeid', 'in', [$toolproxytypeid]); // LTI 2 only.}}// Add standard elements, common to all modules.$this->standard_coursemodule_elements();$mform->setAdvanced('cmidnumber');// Add standard buttons, common to all modules.$this->add_action_buttons();if ($supportscontentitemselection) {$PAGE->requires->js_call_amd('mod_lti/mod_form', 'init', [$COURSE->id]);}}/*** Sets the current values handled by services in case of update.** @param object $defaultvalues default values to populate the form with.*/public function set_data($defaultvalues) {$services = lti_get_services();if (is_object($defaultvalues)) {foreach ($services as $service) {$service->set_instance_form_values( $defaultvalues );}}parent::set_data($defaultvalues);}}