code: def setCurrentSchemaPath(self, path):
          
          if not path:
              self.setCurrentItem(None)
              return False
          
          for item in self.topLevelItems():
              if item.setCurrentSchemaPath(nativestring(path)):
                  return True
          
          self.setCurrentItem(None)
          return False
docs: Sets the column path for the current item.  This will be a '.'
          joined path based on the root schema to the given column.
          
          :param      path | <str>