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Viewing changes to stoqlib/gui/base/columns.py

  • Committer: georgeyk
  • Date: 2009-08-18 12:21:57 UTC
  • mfrom: (3096.1.11 stoqlib)
  • Revision ID: georgeyk.dev@gmail.com-20090818122157-adpvo26sbvzgwswo
merged with master

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stoqlib/gui/base/columns.py
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from kiwi.ui.widgets.list import Column
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class ForeignKeyColumn(Column):
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    """ForeignKeyColumn is a special column which is normally used together
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    with a foreign key, for an sql table.
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    """
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    def __init__(self, table, *args, **kwargs):
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        """Need an obj_field or adapted argument.
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        See L{kiwi.ui.widgets.list.Column} for other arguments
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        """
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        if not 'obj_field' in kwargs and not 'adapted' in kwargs:
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            raise TypeError(
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                'ForeigKeyColumn needs an obj_field or adapted argument')
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        self._table = table
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        self._obj_field = kwargs.pop('obj_field', None)
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        self._adapted = kwargs.pop('adapted', False)
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        Column.__init__(self, *args, **kwargs)
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    def get_attribute(self, instance, name, default=None):
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        if self._obj_field:
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            value = kgetattr(instance, self._obj_field, default)
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            if value is None:
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                return
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        else:
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            value = instance
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        if self._adapted:
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            value = value.get_adapted()
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        return kgetattr(value, name, default)
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class AccessorColumn(Column):
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    def __init__(self, attribute, accessor, *args, **kwargs):
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        if not accessor: