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.
/**
* Defines classes used for plugin info.
*
* @package core
* @copyright 2013 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\plugininfo;
use moodle_url;
defined('MOODLE_INTERNAL') || die();
/**
* Class for themes
*/
class theme extends base {
public function is_uninstall_allowed() {
global $CFG;
if ($this->name === 'boost') {
// All of these are protected for now.
return false;
}
if (!empty($CFG->theme) and $CFG->theme === $this->name) {
// Cannot uninstall default theme.
return false;
}
return true;
}
/**
* 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;
$DB->set_field('course', 'theme', '', array('theme'=>$this->name));
$DB->set_field('course_categories', 'theme', '', array('theme'=>$this->name));
$DB->set_field('user', 'theme', '', array('theme'=>$this->name));
$DB->set_field('mnet_host', 'theme', '', array('theme'=>$this->name));
if (get_config('core', 'thememobile') === $this->name) {
unset_config('thememobile');
}
if (get_config('core', 'themetablet') === $this->name) {
unset_config('themetablet');
}
if (get_config('core', 'themelegacy') === $this->name) {
unset_config('themelegacy');
}
$themelist = get_config('core', 'themelist');
if (!empty($themelist)) {
$themes = explode(',', $themelist);
$key = array_search($this->name, $themes);
if ($key !== false) {
unset($themes[$key]);
set_config('themelist', implode(',', $themes));
}
}
parent::uninstall_cleanup();
}
/**
* Return URL used for management of plugins of this type.
* @return moodle_url
*/
public static function get_manage_url() {
return new moodle_url('/theme/index.php');
}
}