#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license.  The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Enthought, Inc.
# Description: <Enthought naming package component>
#------------------------------------------------------------------------------
""" State factory for referenceable objects. """


# Local imports.
from referenceable import Referenceable
from state_factory import StateFactory


class ReferenceableStateFactory(StateFactory):
    """ State factory for referenceable objects. """

    ###########################################################################
    # 'StateFactory' interface.
    ###########################################################################

    def get_state_to_bind(self, obj, name, context):
        """ Returns the state of an object for binding. """

        state = None

        # If the object knows how to create a reference to it then let it
        # do so.
        if isinstance(obj, Referenceable):
            state = obj.reference

        return state

### EOF #######################################################################