6.x system.admin.inc system_themes_form_submit($form, &$form_state)

Process system_themes_form form submissions.

File

modules/system/system.admin.inc, line 271
Admin page callbacks for the system module.

Code

function system_themes_form_submit($form, &$form_state) {
  drupal_clear_css_cache();

  // Store list of previously enabled themes and disable all themes
  $old_theme_list = $new_theme_list = array();
  foreach (list_themes() as $theme) {
    if ($theme->status) {
      $old_theme_list[] = $theme->name;
    }
  }
  db_query("UPDATE {system} SET status = 0 WHERE type = 'theme'");

  if ($form_state['values']['op'] == t('Save configuration')) {
    if (is_array($form_state['values']['status'])) {
      foreach ($form_state['values']['status'] as $key => $choice) {
        // Always enable the default theme, despite its status checkbox being checked:
        if ($choice || $form_state['values']['theme_default'] == $key) {
          system_initialize_theme_blocks($key);
          $new_theme_list[] = $key;
          db_query("UPDATE {system} SET status = 1 WHERE type = 'theme' and name = '%s'", $key);
        }
      }
    }
    if (($admin_theme = variable_get('admin_theme', '0')) != '0' && $admin_theme != $form_state['values']['theme_default']) {
      drupal_set_message(t('Please note that the <a href="!admin_theme_page">administration theme</a> is still set to the %admin_theme theme; consequently, the theme on this page remains unchanged. All non-administrative sections of the site, however, will show the selected %selected_theme theme by default.', array(
        '!admin_theme_page' => url('admin/settings/admin'),
        '%admin_theme' => $admin_theme,
        '%selected_theme' => $form_state['values']['theme_default'],
      )));
    }
    variable_set('theme_default', $form_state['values']['theme_default']);
  }
  else {
    // Revert to defaults: only Garland is enabled.
    variable_del('theme_default');
    db_query("UPDATE {system} SET status = 1 WHERE type = 'theme' AND name = 'garland'");
    $new_theme_list = array('garland');
  }

  list_themes(TRUE);
  menu_rebuild();
  drupal_rebuild_theme_registry();
  drupal_set_message(t('The configuration options have been saved.'));
  $form_state['redirect'] = 'admin/build/themes';

  // Notify locale module about new themes being enabled, so translations can
  // be imported. This might start a batch, and only return to the redirect
  // path after that.
  module_invoke('locale', 'system_update', array_diff($new_theme_list, $old_theme_list));

  return;
}