docs: def setCurrentSchemaColumn(self, column):
          """
          Sets the current column associated with this navigator.
          
          :param     column | <orb.Column>
          """
          if not column:
              self.setCurrentItem(None)
              return
          
          for item in self.topLevelItems():
              if item.setCurrentSchemaColumn(column):
                  return
          
          self.setCurrentItem(None)