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114 lines
3.6 KiB
114 lines
3.6 KiB
2 years ago
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Defines classes used for plugin info.
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*
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* @package core
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* @copyright 2011 David Mudrak <david@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core\plugininfo;
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use moodle_url, core_plugin_manager;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Class for question behaviours.
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*/
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class qbehaviour extends base {
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/**
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* Finds all enabled plugins, the result may include missing plugins.
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* @return array|null of enabled plugins $pluginname=>$pluginname, null means unknown
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*/
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public static function get_enabled_plugins() {
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$plugins = core_plugin_manager::instance()->get_installed_plugins('qbehaviour');
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if (!$plugins) {
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return array();
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}
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if ($disabled = get_config('question', 'disabledbehaviours')) {
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$disabled = explode(',', $disabled);
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} else {
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$disabled = array();
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}
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$enabled = array();
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foreach ($plugins as $plugin => $version) {
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if (in_array($plugin, $disabled)) {
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continue;
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}
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$enabled[$plugin] = $plugin;
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}
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return $enabled;
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}
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public function is_uninstall_allowed() {
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global $DB;
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if ($this->name === 'missing') {
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// qbehaviour_missing is used by the system. It cannot be uninstalled.
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return false;
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}
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return !$DB->record_exists('question_attempts', array('behaviour' => $this->name));
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}
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/**
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* Pre-uninstall hook.
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*
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* This is intended for disabling of plugin, some DB table purging, etc.
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*
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* NOTE: to be called from uninstall_plugin() only.
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* @private
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*/
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public function uninstall_cleanup() {
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if ($disabledbehaviours = get_config('question', 'disabledbehaviours')) {
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$disabledbehaviours = explode(',', $disabledbehaviours);
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$disabledbehaviours = array_unique($disabledbehaviours);
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} else {
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$disabledbehaviours = array();
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}
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if (($key = array_search($this->name, $disabledbehaviours)) !== false) {
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unset($disabledbehaviours[$key]);
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set_config('disabledbehaviours', implode(',', $disabledbehaviours), 'question');
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}
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if ($behaviourorder = get_config('question', 'behavioursortorder')) {
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$behaviourorder = explode(',', $behaviourorder);
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$behaviourorder = array_unique($behaviourorder);
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} else {
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$behaviourorder = array();
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}
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if (($key = array_search($this->name, $behaviourorder)) !== false) {
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unset($behaviourorder[$key]);
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set_config('behavioursortorder', implode(',', $behaviourorder), 'question');
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}
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parent::uninstall_cleanup();
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}
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/**
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* Return URL used for management of plugins of this type.
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* @return moodle_url
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*/
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public static function get_manage_url() {
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return new moodle_url('/admin/qbehaviours.php');
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}
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}
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