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   1  <?php
   2  
   3  // detects settings that were added during an upgrade, displays a screen for the admin to
   4  // modify them, and then processes modifications
   5  
   6  require_once('../config.php');
   7  require_once($CFG->libdir.'/adminlib.php');
   8  
   9  $return = optional_param('return', '', PARAM_ALPHA);
  10  
  11  /// no guest autologin
  12  require_login(0, false);
  13  if (isguestuser()) {
  14      // Login as real user!
  15      $SESSION->wantsurl = (string)new moodle_url('/admin/upgradesettings.php', array('return'=>$return));
  16      redirect(get_login_url());
  17  }
  18  
  19  admin_externalpage_setup('upgradesettings'); // now hidden page
  20  $PAGE->set_pagelayout('maintenance'); // do not print any blocks or other rubbish, we want to force saving
  21  $PAGE->blocks->show_only_fake_blocks();
  22  $adminroot = admin_get_root(); // need all settings
  23  
  24  // now we'll deal with the case that the admin has submitted the form with new settings
  25  if ($data = data_submitted() and confirm_sesskey()) {
  26      $count = admin_write_settings($data);
  27      $adminroot = admin_get_root(true); //reload tree
  28  }
  29  
  30  $newsettings = admin_output_new_settings_by_page($adminroot);
  31  if (isset($newsettings['frontpagesettings'])) {
  32      $frontpage = $newsettings['frontpagesettings'];
  33      unset($newsettings['frontpagesettings']);
  34      array_unshift($newsettings, $frontpage);
  35  }
  36  $newsettingshtml = implode($newsettings);
  37  unset($newsettings);
  38  
  39  $focus = '';
  40  
  41  if (empty($adminroot->errors) and $newsettingshtml === '') {
  42      // there must be either redirect without message or continue button or else upgrade would be sometimes broken
  43      if ($return == 'site') {
  44          redirect("$CFG->wwwroot/");
  45      } else {
  46          redirect("$CFG->wwwroot/$CFG->admin/index.php");
  47      }
  48  }
  49  
  50  if (!empty($adminroot->errors)) {
  51      $firsterror = reset($adminroot->errors);
  52      $focus = $firsterror->id;
  53  }
  54  
  55  // and finally, if we get here, then there are new settings and we have to print a form
  56  // to modify them
  57  echo $OUTPUT->header($focus);
  58  
  59  if (!empty($SITE->fullname) and !empty($SITE->shortname)) {
  60      echo $OUTPUT->box(get_string('upgradesettingsintro','admin'), 'generalbox');
  61  }
  62  
  63  echo '<form action="upgradesettings.php" method="post" id="adminsettings">';
  64  echo '<div>';
  65  echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
  66  echo '<input type="hidden" name="return" value="'.$return.'" />';
  67  echo '<fieldset>';
  68  echo '<div class="clearer"><!-- --></div>';
  69  echo $newsettingshtml;
  70  echo '</fieldset>';
  71  echo '<div class="form-buttons"><input class="form-submit" type="submit" value="'.get_string('savechanges','admin').'" /></div>';
  72  echo '</div>';
  73  echo '</form>';
  74  
  75  echo $OUTPUT->footer();
  76  
  77