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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Defines classes used for plugin info.
 *
 * @package    core
 * @copyright  2011 David Mudrak <david@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
namespace core\plugininfo;

< use moodle_url, part_of_admin_tree, admin_settingpage, core_plugin_manager; < < defined('MOODLE_INTERNAL') || die();
> use admin_settingpage; > use core_plugin_manager; > use moodle_url; > use part_of_admin_tree;
/** * Class for question types */ class qtype extends base {
> /** > public static function plugintype_supports_disabling(): bool { * Finds all enabled plugins, the result may include missing plugins. > return true; * @return array|null of enabled plugins $pluginname=>$pluginname, null means unknown > } */ >
public static function get_enabled_plugins() { global $DB; $plugins = core_plugin_manager::instance()->get_installed_plugins('qtype'); if (!$plugins) { return array(); } $installed = array(); foreach ($plugins as $plugin => $version) { $installed[] = $plugin.'_disabled'; } list($installed, $params) = $DB->get_in_or_equal($installed, SQL_PARAMS_NAMED); $disabled = $DB->get_records_select('config_plugins', "name $installed AND plugin = 'question'", $params, 'plugin ASC'); foreach ($disabled as $conf) { if (empty($conf->value)) { continue; } $name = substr($conf->name, 0, -9); unset($plugins[$name]); } $enabled = array(); foreach ($plugins as $plugin => $version) { $enabled[$plugin] = $plugin; } return $enabled; } public static function enable_plugin(string $pluginname, int $enabled): bool { $haschanged = false; $settingname = $pluginname . '_disabled'; $oldvalue = get_config('question', $settingname); $disabled = !$enabled; // Only set value if there is no config setting or if the value is different from the previous one. if ($oldvalue == false && $disabled) { set_config($settingname, $disabled, 'question'); $haschanged = true; } else if ($oldvalue != false && !$disabled) { unset_config($settingname, 'question'); $haschanged = true; } if ($haschanged) { add_to_config_log($settingname, $oldvalue, $disabled, 'question'); \core_plugin_manager::reset_caches(); } return $haschanged; } public function is_uninstall_allowed() { global $DB; if ($this->name === 'missingtype') { // qtype_missingtype is used by the system. It cannot be uninstalled. return false; } return !$DB->record_exists('question', array('qtype' => $this->name)); } /** * Return URL used for management of plugins of this type. * @return moodle_url */ public static function get_manage_url() { return new moodle_url('/admin/qtypes.php'); } /** * Pre-uninstall hook. * * This is intended for disabling of plugin, some DB table purging, etc. * * NOTE: to be called from uninstall_plugin() only. * @private */ public function uninstall_cleanup() { // Delete any question configuration records mentioning this plugin. unset_config($this->name . '_disabled', 'question'); unset_config($this->name . '_sortorder', 'question'); parent::uninstall_cleanup(); } public function get_settings_section_name() { return 'qtypesetting' . $this->name; } public function load_settings(part_of_admin_tree $adminroot, $parentnodename, $hassiteconfig) { global $CFG, $USER, $DB, $OUTPUT, $PAGE; // In case settings.php wants to refer to them.
> /** @var \admin_root $ADMIN */
$ADMIN = $adminroot; // May be used in settings.php. $plugininfo = $this; // Also can be used inside settings.php. $qtype = $this; // Also can be used inside settings.php. if (!$this->is_installed_and_upgraded()) { return; } $section = $this->get_settings_section_name(); $settings = null; $systemcontext = \context_system::instance(); if (($hassiteconfig || has_capability('moodle/question:config', $systemcontext)) && file_exists($this->full_path('settings.php'))) { $settings = new admin_settingpage($section, $this->displayname, 'moodle/question:config', $this->is_enabled() === false); include($this->full_path('settings.php')); // This may also set $settings to null. } if ($settings) { $ADMIN->add($parentnodename, $settings); } } }