admin/upgradesettings.php

   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