original_string: protected function edit_step($id) {
          global $PAGE;
  
          if (isset($id)) {
              $step = step::instance($id);
          } else {
              $step = new step();
              $step->set_tourid(required_param('tourid', PARAM_INT));
          }
  
          $tour = $step->get_tour();
  
          if (!empty($tour->get_config(self::CONFIG_SHIPPED_TOUR))) {
              notification::add(get_string('modifyshippedtourwarning', 'tool_usertours'), notification::WARNING);
          }
  
          $PAGE->navbar->add($tour->get_name(), $tour->get_view_link());
          if (isset($id)) {
              $PAGE->navbar->add($step->get_title(), $step->get_edit_link());
          } else {
              $PAGE->navbar->add(get_string('newstep', 'tool_usertours'), $step->get_edit_link());
          }
  
          $form = new forms\editstep($step->get_edit_link(), $step);
          if ($form->is_cancelled()) {
              redirect($step->get_tour()->get_view_link());
          } else if ($data = $form->get_data()) {
              $step->handle_form_submission($form, $data);
              $step->get_tour()->reset_step_sortorder();
              redirect($step->get_tour()->get_view_link());
          } else {
              if (empty($id)) {
                  $this->header(get_string('newstep', 'tool_usertours'));
              } else {
                  $this->header(get_string('editstep', 'tool_usertours', $step->get_title()));
              }
              $form->set_data($step->prepare_data_for_form());
  
              $form->display();
              $this->footer();
          }
      }
code: protected function edit_step($id) {
          global $PAGE;
  
          if (isset($id)) {
              $step = step::instance($id);
          } else {
              $step = new step();
              $step->set_tourid(required_param('tourid', PARAM_INT));
          }
  
          $tour = $step->get_tour();
  
          if (!empty($tour->get_config(self::CONFIG_SHIPPED_TOUR))) {
              notification::add(get_string('modifyshippedtourwarning', 'tool_usertours'), notification::WARNING);
          }
  
          $PAGE->navbar->add($tour->get_name(), $tour->get_view_link());
          if (isset($id)) {
              $PAGE->navbar->add($step->get_title(), $step->get_edit_link());
          } else {
              $PAGE->navbar->add(get_string('newstep', 'tool_usertours'), $step->get_edit_link());
          }
  
          $form = new forms\editstep($step->get_edit_link(), $step);
          if ($form->is_cancelled()) {
              redirect($step->get_tour()->get_view_link());
          } else if ($data = $form->get_data()) {
              $step->handle_form_submission($form, $data);
              $step->get_tour()->reset_step_sortorder();
              redirect($step->get_tour()->get_view_link());
          } else {
              if (empty($id)) {
                  $this->header(get_string('newstep', 'tool_usertours'));
              } else {
                  $this->header(get_string('editstep', 'tool_usertours', $step->get_title()));
              }
              $form->set_data($step->prepare_data_for_form());
  
              $form->display();
              $this->footer();
          }
      }
code_tokens: protected function edit_step ( $ id ) { global $ PAGE ; if ( isset ( $ id ) ) { $ step = step :: instance ( $ id ) ; } else { $ step = new step ( ) ; $ step -> set_tourid ( required_param ( 'tourid' , PARAM_INT ) ) ; } $ tour = $ step -> get_tour ( ) ; if ( ! empty ( $ tour -> get_config ( self :: CONFIG_SHIPPED_TOUR ) ) ) { notification :: add ( get_string ( 'modifyshippedtourwarning' , 'tool_usertours' ) , notification :: WARNING ) ; } $ PAGE -> navbar -> add ( $ tour -> get_name ( ) , $ tour -> get_view_link ( ) ) ; if ( isset ( $ id ) ) { $ PAGE -> navbar -> add ( $ step -> get_title ( ) , $ step -> get_edit_link ( ) ) ; } else { $ PAGE -> navbar -> add ( get_string ( 'newstep' , 'tool_usertours' ) , $ step -> get_edit_link ( ) ) ; } $ form = new forms \ editstep ( $ step -> get_edit_link ( ) , $ step ) ; if ( $ form -> is_cancelled ( ) ) { redirect ( $ step -> get_tour ( ) -> get_view_link ( ) ) ; } else if ( $ data = $ form -> get_data ( ) ) { $ step -> handle_form_submission ( $ form , $ data ) ; $ step -> get_tour ( ) -> reset_step_sortorder ( ) ; redirect ( $ step -> get_tour ( ) -> get_view_link ( ) ) ; } else { if ( empty ( $ id ) ) { $ this -> header ( get_string ( 'newstep' , 'tool_usertours' ) ) ; } else { $ this -> header ( get_string ( 'editstep' , 'tool_usertours' , $ step -> get_title ( ) ) ) ; } $ form -> set_data ( $ step -> prepare_data_for_form ( ) ) ; $ form -> display ( ) ; $ this -> footer ( ) ; } }
docstring: Display the edit step form for the specified step.
  
  @param   int     $id     The step to edit.
docstring_tokens: Display the edit step form for the specified step .