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   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   * Lets users manage data formats
  19   *
  20   * @license    http://www.gnu.org/copyleft/gpl.html GNU Public License
  21   * @copyright  2016 Brendan Heywood (brendan@catalyst-au.net)
  22   * @package    core
  23   * @subpackage dataformat
  24   */
  25  
  26  require_once('../config.php');
  27  require_once($CFG->libdir.'/adminlib.php');
  28  
  29  $action = required_param('action', PARAM_ALPHANUMEXT);
  30  $name   = required_param('name', PARAM_PLUGIN);
  31  
  32  $syscontext = context_system::instance();
  33  $PAGE->set_url('/admin/dataformats.php');
  34  $PAGE->set_context($syscontext);
  35  
  36  require_login();
  37  require_capability('moodle/site:config', $syscontext);
  38  require_sesskey();
  39  
  40  $return = new moodle_url('/admin/settings.php', array('section' => 'managedataformats'));
  41  
  42  $plugins = core_plugin_manager::instance()->get_plugins_of_type('dataformat');
  43  $sortorder = array_flip(array_keys($plugins));
  44  
  45  if (!isset($plugins[$name])) {
  46      print_error('courseformatnotfound', 'error', $return, $name);
  47  }
  48  
  49  switch ($action) {
  50      case 'disable':
  51          if ($plugins[$name]->is_enabled()) {
  52              set_config('disabled', 1, 'dataformat_'. $name);
  53              core_plugin_manager::reset_caches();
  54          }
  55          break;
  56      case 'enable':
  57          if (!$plugins[$name]->is_enabled()) {
  58              unset_config('disabled', 'dataformat_'. $name);
  59              core_plugin_manager::reset_caches();
  60          }
  61          break;
  62      case 'up':
  63          if ($sortorder[$name]) {
  64              $currentindex = $sortorder[$name];
  65              $seq = array_keys($plugins);
  66              $seq[$currentindex] = $seq[$currentindex - 1];
  67              $seq[$currentindex - 1] = $name;
  68              set_config('dataformat_plugins_sortorder', implode(',', $seq));
  69          }
  70          break;
  71      case 'down':
  72          if ($sortorder[$name] < count($sortorder) - 1) {
  73              $currentindex = $sortorder[$name];
  74              $seq = array_keys($plugins);
  75              $seq[$currentindex] = $seq[$currentindex + 1];
  76              $seq[$currentindex + 1] = $name;
  77              set_config('dataformat_plugins_sortorder', implode(',', $seq));
  78          }
  79          break;
  80  }
  81  redirect($return);
  82