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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 2013 Petr Skoda {@link http://skodak.org}
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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;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Class for themes
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*/
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class theme extends base {
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public function is_uninstall_allowed() {
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global $CFG;
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if ($this->name === 'boost') {
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// All of these are protected for now.
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return false;
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}
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if (!empty($CFG->theme) and $CFG->theme === $this->name) {
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// Cannot uninstall default theme.
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return false;
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}
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return true;
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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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global $DB;
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$DB->set_field('course', 'theme', '', array('theme'=>$this->name));
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$DB->set_field('course_categories', 'theme', '', array('theme'=>$this->name));
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$DB->set_field('user', 'theme', '', array('theme'=>$this->name));
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$DB->set_field('mnet_host', 'theme', '', array('theme'=>$this->name));
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if (get_config('core', 'thememobile') === $this->name) {
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unset_config('thememobile');
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}
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if (get_config('core', 'themetablet') === $this->name) {
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unset_config('themetablet');
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}
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if (get_config('core', 'themelegacy') === $this->name) {
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unset_config('themelegacy');
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}
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$themelist = get_config('core', 'themelist');
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if (!empty($themelist)) {
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$themes = explode(',', $themelist);
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$key = array_search($this->name, $themes);
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if ($key !== false) {
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unset($themes[$key]);
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set_config('themelist', implode(',', $themes));
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}
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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/themeselector.php');
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}
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}
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