public function __construct($step_number, $step_title, Template $view)
 {
     $this->load_language_resources();
     $this->init_response($step_number, $view);
     $env = new UpdateDisplayGraphicalEnvironment();
     $this->add_language_bar();
     $this->init_steps();
     $this->update_progress_bar();
     $this->full_view->put_all(array('RESTART' => UpdateUrlBuilder::introduction()->rel(), 'STEP_TITLE' => $step_title, 'C_HAS_PREVIOUS_STEP' => false, 'C_HAS_NEXT_STEP' => false, 'L_XML_LANGUAGE' => LangLoader::get_message('xml_lang', 'main'), 'PROGRESSION' => floor(100 * $this->current_step / $this->nb_steps)));
     parent::__construct($env, $this->full_view);
 }
 private function build_form()
 {
     $this->form = new HTMLForm('continueForm', '', false);
     $action_fieldset = new FormFieldsetSubmit('actions');
     $back = new FormButtonLinkCssImg($this->lang['step.previous'], UpdateUrlBuilder::introduction(), 'fa fa-arrow-left');
     $action_fieldset->add_element($back);
     $refresh = new FormButtonLinkCssImg($this->lang['folders.chmod.refresh'], UpdateUrlBuilder::server_configuration()->rel(), 'fa fa-refresh');
     $action_fieldset->add_element($refresh);
     $this->submit = new FormButtonSubmitCssImg($this->lang['step.next'], 'fa fa-arrow-right', 'server');
     $action_fieldset->add_element($this->submit);
     $this->form->add_fieldset($action_fieldset);
 }