code: protected function getCmtiFileIcon( $fileType ) {
  
  		switch( $fileType ) {
  
  			case FileManager::FILE_TYPE_IMAGE: {
  
  				return 'cmti-image';
  			}
  			case FileManager::FILE_TYPE_VIDEO: {
  
  				return 'cmti-file-video';
  			}
  			case FileManager::FILE_TYPE_AUDIO: {
  
  				return 'cmti-file-audio';
  			}
  			case FileManager::FILE_TYPE_DOCUMENT: {
  
  				return 'cmti-document';
  			}
  			case FileManager::FILE_TYPE_COMPRESSED: {
  
  				return 'cmti-file-zip';
  			}
  		}
  	}
docs: Return the icon corresponding to given file type from CMT IconLib library.
  
  @param string $fileType
  @return string