admin/courseformats.php

   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  * Allows the admin to enable, disable and uninstall course formats
  19  *
  20  * @package    core_admin
  21  * @copyright  2012 Marina Glancy
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once('../config.php');
  26 require_once($CFG->libdir.'/adminlib.php');
  27
  28 $action  = required_param('action', PARAM_ALPHANUMEXT);
  29 $formatname   = required_param('format', PARAM_PLUGIN);
  30
  31 $syscontext = context_system::instance();
  32 $PAGE->set_url('/admin/courseformats.php');
  33 $PAGE->set_context($syscontext);
  34
  35 require_admin();
  36 require_sesskey();
  37
  38 $return = new moodle_url('/admin/settings.php', array('section' => 'manageformats'));
  39
  40 $formatplugins = core_plugin_manager::instance()->get_plugins_of_type('format');
  41 $sortorder = array_flip(array_keys($formatplugins));
  42
  43 if (!isset($formatplugins[$formatname])) {
  44     print_error('courseformatnotfound', 'error', $return, $formatname);
  45 }
  46
  47 switch ($action) {
  48     case 'disable':
  49         if ($formatplugins[$formatname]->is_enabled()) {
  50             if (get_config('moodlecourse', 'format') === $formatname) {
  51                 print_error('cannotdisableformat', 'error', $return);
  52             }
  53             set_config('disabled', 1, 'format_'. $formatname);
  54             core_plugin_manager::reset_caches();
  55         }
  56         break;
  57     case 'enable':
  58         if (!$formatplugins[$formatname]->is_enabled()) {
  59             unset_config('disabled', 'format_'. $formatname);
  60             core_plugin_manager::reset_caches();
  61         }
  62         break;
  63     case 'up':
  64         if ($sortorder[$formatname]) {
  65             $currentindex = $sortorder[$formatname];
  66             $seq = array_keys($formatplugins);
  67             $seq[$currentindex] = $seq[$currentindex-1];
  68             $seq[$currentindex-1] = $formatname;
  69             set_config('format_plugins_sortorder', implode(',', $seq));
  70         }
  71         break;
  72     case 'down':
  73         if ($sortorder[$formatname] < count($sortorder)-1) {
  74             $currentindex = $sortorder[$formatname];
  75             $seq = array_keys($formatplugins);
  76             $seq[$currentindex] = $seq[$currentindex+1];
  77             $seq[$currentindex+1] = $formatname;
  78             set_config('format_plugins_sortorder', implode(',', $seq));
  79         }
  80         break;
  81 }
  82 redirect($return);