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
  14 admin_externalpage_setup('upgradesettings'); // now hidden page
  15 $PAGE->set_pagelayout('maintenance'); // do not print any blocks or other rubbish, we want to force saving
  16 $PAGE->blocks->show_only_fake_blocks();
  17 $adminroot = admin_get_root(); // need all settings
  18
  19 // now we'll deal with the case that the admin has submitted the form with new settings
  20 if ($data = data_submitted() and confirm_sesskey()) {
  21     $count = admin_write_settings($data);
  22     $adminroot = admin_get_root(true); //reload tree
  23 }
  24
  25 $newsettings = admin_output_new_settings_by_page($adminroot);
  26 if (isset($newsettings['frontpagesettings'])) {
  27     $frontpage = $newsettings['frontpagesettings'];
  28     unset($newsettings['frontpagesettings']);
  29     array_unshift($newsettings, $frontpage);
  30 }
  31 $newsettingshtml = implode($newsettings);
  32 unset($newsettings);
  33
  34 $focus = '';
  35
  36 if (empty($adminroot->errors) and $newsettingshtml === '') {
  37     // there must be either redirect without message or continue button or else upgrade would be sometimes broken
  38     if ($return == 'site') {
  39         redirect("$CFG->wwwroot/");
  40     } else {
  41         redirect("$CFG->wwwroot/$CFG->admin/index.php");
  42     }
  43 }
  44
  45 if (!empty($adminroot->errors)) {
  46     $firsterror = reset($adminroot->errors);
  47     $focus = $firsterror->id;
  48 }
  49
  50 // and finally, if we get here, then there are new settings and we have to print a form
  51 // to modify them
  52 echo $OUTPUT->header($focus);
  53
  54 if (!empty($SITE->fullname) and !empty($SITE->shortname)) {
  55     echo $OUTPUT->box(get_string('upgradesettingsintro','admin'), 'generalbox');
  56 }
  57
  58 echo '<form action="upgradesettings.php" method="post" id="adminsettings">';
  59 echo '<div>';
  60 echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
  61 echo '<input type="hidden" name="return" value="'.$return.'" />';
  62 echo '<fieldset>';
  63 echo '<div class="clearer"><!-- --></div>';
  64 echo $newsettingshtml;
  65 echo '</fieldset>';
  66 echo '<div class="form-buttons"><input class="form-submit" type="submit" value="'.get_string('savechanges','admin').'" /></div>';
  67 echo '</div>';
  68 echo '</form>';
  69
  70 echo $OUTPUT->footer();
  71
  72