Source code for pyface.data_view.value_types.no_value

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from pyface.data_view.abstract_value_type import AbstractValueType



[docs]class NoValue(AbstractValueType):
    """ A ValueType that has no data in any channel. """


[docs]    def has_editor_value(self, model, row, column):
        return False



[docs]    def has_text(self, model, row, column):
        return False



[docs]    def has_image(self, model, row, column):
        return False



[docs]    def has_tooltip(self, model, row, column):
        return False



#: Standard instance of the NoValue class, since it has no state.
no_value = NoValue()