public function editAction()
 {
     SxCms_Acl::requireAcl('sheets', 'sheets.edit');
     $proxy = new SxModule_Sheets_Type_Proxy();
     $this->view->types = $proxy->getAllActive($_SESSION['System']['lng']);
     $proxy = new SxModule_Sheets_Proxy();
     $sheets = $proxy->getById((int) $this->_getParam('id'));
     $subcat = new SxModule_Sheets_Subtype_Proxy();
     $this->view->subcat = $subcat->getAllbyType($sheets->getType(), $_SESSION['System']['lng'], true);
     if ($this->getRequest()->isPost()) {
         $mapper = new SxModule_Sheets_Mapper();
         $fields = $mapper->fromInput($this->_getAllParams(), $this->_editablefields());
         $data = $mapper->toObject($fields, $sheets);
         $this->uploadFile($data, $this->_getParam('type'), $this->_getParam('subtype'));
         $validator = new SxModule_Sheets_Validator();
         if ($validator->validate($data)) {
             $data->save();
             $cache = Zend_Registry::get('cache');
             $cache->clean(Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG, array('SxModule_Sheets'));
             $flashMessenger = $this->_helper->getHelper('FlashMessenger');
             $flashMessenger->addMessage($this->admin_tmx->_('itemedited'));
             $this->_helper->redirector->gotoSimple('index', 'sheets');
         }
         $sheets = $data;
     }
     $this->view->messages = Sanmax_MessageStack::getInstance('SxModule_Sheets');
     $this->view->item = $sheets;
 }