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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/>.
/**
* 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();
/**
* Class for course formats
*/
class format extends base {
/**
* Finds all enabled plugins, the result may include missing plugins.
* @return array|null of enabled plugins $pluginname=>$pluginname, null means unknown
*/
public static function get_enabled_plugins() {
global $DB;
$plugins = core_plugin_manager::instance()->get_installed_plugins('format');
if (!$plugins) {
return array();
}
$installed = array();
foreach ($plugins as $plugin => $version) {
$installed[] = 'format_'.$plugin;
}
list($installed, $params) = $DB->get_in_or_equal($installed, SQL_PARAMS_NAMED);
$disabled = $DB->get_records_select('config_plugins', "plugin $installed AND name = 'disabled'", $params, 'plugin ASC');
foreach ($disabled as $conf) {
if (empty($conf->value)) {
continue;
}
list($type, $name) = explode('_', $conf->plugin, 2);
unset($plugins[$name]);
}
$enabled = array();
foreach ($plugins as $plugin => $version) {
$enabled[$plugin] = $plugin;
}
return $enabled;
}
/**
* Gathers and returns the information about all plugins of the given type
*
* @param string $type the name of the plugintype, eg. mod, auth or workshopform
* @param string $typerootdir full path to the location of the plugin dir
* @param string $typeclass the name of the actually called class
* @param core_plugin_manager $pluginman the plugin manager calling this method
* @return array of plugintype classes, indexed by the plugin name
*/
public static function get_plugins($type, $typerootdir, $typeclass, $pluginman) {
global $CFG;
require_once($CFG->dirroot.'/course/lib.php');
$formats = parent::get_plugins($type, $typerootdir, $typeclass, $pluginman);
$order = get_sorted_course_formats();
$sortedformats = array();
foreach ($order as $formatname) {
$sortedformats[$formatname] = $formats[$formatname];
}
return $sortedformats;
}
public function get_settings_section_name() {
return 'formatsetting' . $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.
$ADMIN = $adminroot; // May be used in settings.php.
$plugininfo = $this; // Also can be used inside settings.php.
if (!$this->is_installed_and_upgraded()) {
return;
}
if (!$hassiteconfig or !file_exists($this->full_path('settings.php'))) {
return;
}
$section = $this->get_settings_section_name();
$settings = new admin_settingpage($section, $this->displayname, 'moodle/site:config', $this->is_enabled() === false);
include($this->full_path('settings.php')); // This may also set $settings to null.
if ($settings) {
$ADMIN->add($parentnodename, $settings);
}
}
public function is_uninstall_allowed() {
if ($this->name !== get_config('moodlecourse', 'format') && $this->name !== 'site') {
return true;
} else {
return false;
}
}
/**
* Return URL used for management of plugins of this type.
* @return moodle_url
*/
public static function get_manage_url() {
return new moodle_url('/admin/settings.php', array('section'=>'manageformats'));
}
public function get_uninstall_extra_warning() {
global $DB;
$coursecount = $DB->count_records('course', array('format' => $this->name));
if (!$coursecount) {
return '';
}
$defaultformat = $this->pluginman->plugin_name('format_'.get_config('moodlecourse', 'format'));
$message = get_string(
'formatuninstallwithcourses', 'core_admin',
(object)array('count' => $coursecount, 'format' => $this->displayname,
'defaultformat' => $defaultformat));
return $message;
}
/**
* 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() {
global $DB;
if (($defaultformat = get_config('moodlecourse', 'format')) && $defaultformat !== $this->name) {
$courses = $DB->get_records('course', array('format' => $this->name), 'id');
$data = (object)array('id' => null, 'format' => $defaultformat);
foreach ($courses as $record) {
$data->id = $record->id;
update_course($data);
}
}
$DB->delete_records('course_format_options', array('format' => $this->name));
parent::uninstall_cleanup();
}
}