source: moodle/trunk/fuentes/lib/classes/plugininfo/theme.php @ 1331

Last change on this file since 1331 was 1331, checked in by jrpelegrina, 4 years ago

Updated to moodle 3.0.3

File size: 2.9 KB
Line 
1<?php
2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
16
17/**
18 * Defines classes used for plugin info.
19 *
20 * @package    core
21 * @copyright  2013 Petr Skoda {@link http://skodak.org}
22 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
24namespace core\plugininfo;
25
26use moodle_url;
27
28defined('MOODLE_INTERNAL') || die();
29
30/**
31 * Class for themes
32 */
33class theme extends base {
34    public function is_uninstall_allowed() {
35        global $CFG;
36
37        if ($this->name === 'base' or $this->name === 'bootstrapbase') {
38            // All of these are protected for now.
39            return false;
40        }
41
42        if (!empty($CFG->theme) and $CFG->theme === $this->name) {
43            // Cannot uninstall default theme.
44            return false;
45        }
46
47        return true;
48    }
49
50    /**
51     * Pre-uninstall hook.
52     *
53     * This is intended for disabling of plugin, some DB table purging, etc.
54     *
55     * NOTE: to be called from uninstall_plugin() only.
56     * @private
57     */
58    public function uninstall_cleanup() {
59        global $DB;
60
61        $DB->set_field('course', 'theme', '', array('theme'=>$this->name));
62        $DB->set_field('course_categories', 'theme', '', array('theme'=>$this->name));
63        $DB->set_field('user', 'theme', '', array('theme'=>$this->name));
64        $DB->set_field('mnet_host', 'theme', '', array('theme'=>$this->name));
65
66        if (get_config('core', 'thememobile') === $this->name) {
67            unset_config('thememobile');
68        }
69        if (get_config('core', 'themetablet') === $this->name) {
70            unset_config('themetablet');
71        }
72        if (get_config('core', 'themelegacy') === $this->name) {
73            unset_config('themelegacy');
74        }
75
76        $themelist = get_config('core', 'themelist');
77        if (!empty($themelist)) {
78            $themes = explode(',', $themelist);
79            $key = array_search($this->name, $themes);
80            if ($key !== false) {
81                unset($themes[$key]);
82                set_config('themelist', implode(',', $themes));
83            }
84        }
85
86        parent::uninstall_cleanup();
87    }
88
89    /**
90     * Return URL used for management of plugins of this type.
91     * @return moodle_url
92     */
93    public static function get_manage_url() {
94        return new moodle_url('/theme/index.php');
95    }
96}
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