code: def loadFile(self, fileName):
          
  
          # Assign QFile object with the current name.
          self.file = QtCore.QFile(fileName)
          if self.file.exists():
              self.qteText.append(open(fileName).read())
          else:
              msg = "File <b>{}</b> does not exist".format(self.qteAppletID())
              self.qteLogger.info(msg)
docs: Display the file associated with the appletID.