content = new View("admin_themes.html");
    $view->content->admin = module::get_var("core", "active_admin_theme");
    $view->content->site = module::get_var("core", "active_site_theme");
    $view->content->themes = $this->_get_themes();
    print $view;
  }
  private function _get_themes() {
    $themes = array();
    foreach (scandir(THEMEPATH) as $theme_name) {
      if ($theme_name[0] == ".") {
        continue;
      }
      $file = THEMEPATH . "$theme_name/theme.info";
      $theme_info = new ArrayObject(parse_ini_file($file), ArrayObject::ARRAY_AS_PROPS);
      $themes[$theme_name] = $theme_info;
    }
    return $themes;
  }
  public function preview($type, $theme_name) {
    $view = new View("admin_themes_preview.html");
    $theme_name = preg_replace("/[^\w]/", "", $theme_name);
    $view->info = new ArrayObject(
      parse_ini_file(THEMEPATH . "$theme_name/theme.info"), ArrayObject::ARRAY_AS_PROPS);
    $view->theme_name = $theme_name;
    $view->type = $type;
    if ($type == "admin") {
      $view->url = url::site("admin?theme=$theme_name");
    } else {
      $view->url = url::site("albums/1?theme=$theme_name");
    }
    print $view;
  }
  public function choose($type, $theme_name) {
    access::verify_csrf();
    $theme_name = preg_replace("/[^\w]/", "", $theme_name);
    $info = new ArrayObject(
      parse_ini_file(THEMEPATH . "$theme_name/theme.info"), ArrayObject::ARRAY_AS_PROPS);
    if ($type == "admin" && $info->admin) {
      module::set_var("core", "active_admin_theme", $theme_name);
      message::success(t("Successfully changed your admin theme to %theme_name",
                         array("theme_name" => $info->name)));
    } else if ($type == "site" && $info->site) {
      module::set_var("core", "active_site_theme", $theme_name);
      message::success(t("Successfully changed your Gallery theme to %theme_name",
                         array("theme_name" => $info->name)));
    }
    url::redirect("admin/themes");
  }
}