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 $action  = required_param('action', PARAM_ALPHANUMEXT);
  12 $editor  = required_param('editor', PARAM_PLUGIN);
  13 $confirm = optional_param('confirm', 0, PARAM_BOOL);
  14
  15 $PAGE->set_url('/admin/editors.php', array('action'=>$action, 'editor'=>$editor));
  16 $PAGE->set_context(context_system::instance());
  17
  18 require_admin();
  19
  20 $returnurl = "$CFG->wwwroot/$CFG->admin/settings.php?section=manageeditors";
  21
  22 // get currently installed and enabled auth plugins
  23 $available_editors = editors_get_available();
  24 if (!empty($editor) and empty($available_editors[$editor])) {
  25     redirect ($returnurl);
  26 }
  27
  28 $active_editors = explode(',', $CFG->texteditors);
  29 foreach ($active_editors as $key=>$active) {
  30     if (empty($available_editors[$active])) {
  31         unset($active_editors[$key]);
  32     }
  33 }
  34
  35 ////////////////////////////////////////////////////////////////////////////////
  36 // process actions
  37
  38 if (!confirm_sesskey()) {
  39     redirect($returnurl);
  40 }
  41
  42
  43 $return = true;
  44 switch ($action) {
  45     case 'disable':
  46         // remove from enabled list
  47         $key = array_search($editor, $active_editors);
  48         unset($active_editors[$key]);
  49         add_to_config_log('editor_visibility', '1', '0', $editor);
  50         break;
  51
  52     case 'enable':
  53         // add to enabled list
  54         if (!in_array($editor, $active_editors)) {
  55             $active_editors[] = $editor;
  56             $active_editors = array_unique($active_editors);
  57             add_to_config_log('editor_visibility', '0', '1', $editor);
  58         }
  59         break;
  60
  61     case 'down':
  62         $key = array_search($editor, $active_editors);
  63         // check auth plugin is valid
  64         if ($key !== false) {
  65             // move down the list
  66             if ($key < (count($active_editors) - 1)) {
  67                 $fsave = $active_editors[$key];
  68                 $active_editors[$key] = $active_editors[$key + 1];
  69                 $active_editors[$key + 1] = $fsave;
  70                 add_to_config_log('editor_position', $key, $key + 1, $editor);
  71             }
  72         }
  73         break;
  74
  75     case 'up':
  76         $key = array_search($editor, $active_editors);
  77         // check auth is valid
  78         if ($key !== false) {
  79             // move up the list
  80             if ($key >= 1) {
  81                 $fsave = $active_editors[$key];
  82                 $active_editors[$key] = $active_editors[$key - 1];
  83                 $active_editors[$key - 1] = $fsave;
  84                 add_to_config_log('editor_position', $key, $key - 1, $editor);
  85             }
  86         }
  87         break;
  88
  89     default:
  90         break;
  91 }
  92
  93 // at least one editor must be active
  94 if (empty($active_editors)) {
  95     $active_editors = array('textarea');
  96 }
  97
  98 set_config('texteditors', implode(',', $active_editors));
  99 core_plugin_manager::reset_caches();
 100
 101 if ($return) {
 102     redirect ($returnurl);
 103 }