public function __construct($view, $title_page)
 {
     parent::__construct($view);
     $lang = LangLoader::get('common', 'newsletter');
     $this->set_title($lang['newsletter']);
     $this->add_link($lang['newsletter.streams'], NewsletterUrlBuilder::manage_streams());
     $this->add_link($lang['stream.add'], NewsletterUrlBuilder::add_stream());
     $this->add_link(LangLoader::get_message('configuration', 'admin'), NewsletterUrlBuilder::configuration());
     $env = $this->get_graphical_environment();
     $env->set_page_title($title_page, $lang['newsletter']);
 }
 public function get_actions_tree_links()
 {
     $lang = LangLoader::get('common', 'newsletter');
     $tree = new ModuleTreeLinks();
     $manage_newsletter_link = new AdminModuleLink($lang['newsletter.streams.manage'], NewsletterUrlBuilder::manage_streams());
     $manage_newsletter_link->add_sub_link(new AdminModuleLink($lang['newsletter.streams.manage'], NewsletterUrlBuilder::manage_streams()));
     $manage_newsletter_link->add_sub_link(new AdminModuleLink($lang['stream.add'], NewsletterUrlBuilder::add_stream()));
     $tree->add_link($manage_newsletter_link);
     $tree->add_link(new AdminModuleLink(LangLoader::get_message('configuration', 'admin'), NewsletterUrlBuilder::configuration()));
     $tree->add_link(new ModuleLink($lang['newsletter-add'], NewsletterUrlBuilder::add_newsletter(), NewsletterAuthorizationsService::default_authorizations()->create_newsletters()));
     $tree->add_link(new ModuleLink($lang['newsletter.archives'], NewsletterUrlBuilder::archives(), NewsletterAuthorizationsService::default_authorizations()->read_archives()));
     return $tree;
 }
 protected function get_categories_management_url()
 {
     return NewsletterUrlBuilder::manage_streams();
 }