admin/editors.php

   1 <?php
   2
   3 /**
   4  * Allows admin to configure editors.
   5  */
   6
   7 require_once('../config.php');
   8 require_once($CFG->libdir.'/adminlib.php');
   9 require_once($CFG->libdir.'/tablelib.php');
  10
  11 require_login();
  12 require_capability('moodle/site:config', context_system::instance());
  13
  14 $returnurl = "$CFG->wwwroot/$CFG->admin/settings.php?section=manageeditors";
  15
  16 $action = optional_param('action', '', PARAM_ALPHANUMEXT);
  17 $editor = optional_param('editor', '', PARAM_PLUGIN);
  18
  19 // get currently installed and enabled auth plugins
  20 $available_editors = editors_get_available();
  21 if (!empty($editor) and empty($available_editors[$editor])) {
  22     redirect ($returnurl);
  23 }
  24
  25 $active_editors = explode(',', $CFG->texteditors);
  26 foreach ($active_editors as $key=>$active) {
  27     if (empty($available_editors[$active])) {
  28         unset($active_editors[$key]);
  29     }
  30 }
  31
  32 ////////////////////////////////////////////////////////////////////////////////
  33 // process actions
  34
  35 if (!confirm_sesskey()) {
  36     redirect($returnurl);
  37 }
  38
  39
  40 $return = true;
  41 switch ($action) {
  42     case 'disable':
  43         // remove from enabled list
  44         $key = array_search($editor, $active_editors);
  45         unset($active_editors[$key]);
  46         break;
  47
  48     case 'enable':
  49         // add to enabled list
  50         if (!in_array($editor, $active_editors)) {
  51             $active_editors[] = $editor;
  52             $active_editors = array_unique($active_editors);
  53         }
  54         break;
  55
  56     case 'down':
  57         $key = array_search($editor, $active_editors);
  58         // check auth plugin is valid
  59         if ($key !== false) {
  60             // move down the list
  61             if ($key < (count($active_editors) - 1)) {
  62                 $fsave = $active_editors[$key];
  63                 $active_editors[$key] = $active_editors[$key + 1];
  64                 $active_editors[$key + 1] = $fsave;
  65             }
  66         }
  67         break;
  68
  69     case 'up':
  70         $key = array_search($editor, $active_editors);
  71         // check auth is valid
  72         if ($key !== false) {
  73             // move up the list
  74             if ($key >= 1) {
  75                 $fsave = $active_editors[$key];
  76                 $active_editors[$key] = $active_editors[$key - 1];
  77                 $active_editors[$key - 1] = $fsave;
  78             }
  79         }
  80         break;
  81     default:
  82         break;
  83 }
  84
  85 // at least one editor must be active
  86 if (empty($active_editors)) {
  87     $active_editors = array('textarea');
  88 }
  89
  90 set_config('texteditors', implode(',', $active_editors));
  91
  92 if ($return) {
  93     redirect ($returnurl);
  94 }