code: protected function actionProperties()
      {
          $legacyEresus = Eresus_CMS::getLegacyKernel();
          $sections = $legacyEresus->sections;
          /** @var TAdminUI $page */
          $page = Eresus_Kernel::app()->getPage();
          $section = $sections->get($page->id);
  
          if ('POST' == $legacyEresus->request['method'])
          {
              $section['content'] = arg('content');
              $sections->update($section);
  
              HTTP::redirect($page->url(array('action' => 'properties')));
          }
  
          $form = array(
              'name' => 'contentEditor',
              'caption' => 'Текст на странице',
              'width' => '95%',
              'fields' => array(
                  array('type' => 'hidden', 'name' => 'action', 'value' => 'properties'),
                  array('type' => 'html', 'name' => 'content', 'height' => '400px'),
              ),
              'buttons'=> array('ok' => 'Сохранить'),
          );
  
          $html = $page->renderForm($form, $section);
          return $html;
      }
docs: Изменение свойств раздела
  
  @return string
  
  @since 3.01