/**
  * get default view.
  *
  * @return Enum
  */
 public function getDefaultView()
 {
     if (!$this->mRoot->mContext->mUser->mIdentity->isAuthenticated()) {
         return $this->_getFrameViewStatus('ERROR');
     }
     $this->mHandler =& Cosmoapi_Utils::getTrustModuleHandler('data', $this->mAsset->mTrustDirname);
     $this->_getDirname();
     if (!$this->mHandler->setDirname($this->mDirname)) {
         return $this->_getFrameViewStatus('ERROR');
     }
     $req = $this->mRoot->mContext->mRequest;
     $keyword = '';
     $this->mSearchCriteria['keyword'] = $keyword;
     $this->mDataIds = $this->mHandler->getIds();
     if ($this->mDataIds === false) {
         return $this->_getFrameViewStatus('ERROR');
     }
     return $this->_getFrameViewStatus('SUCCESS');
 }