Source code for pyams_sequence.schema

#
# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#

__docformat__ = 'restructuredtext'


# import standard library

# import interfaces
from zope.schema.interfaces import ITextLine, IList

# import packages
from zope.interface import implementer, Attribute
from zope.schema import TextLine, List


[docs]class IInternalReferenceField(ITextLine):
    """Internal reference field interface"""

    content_type = Attribute("Requested target content type")


[docs]@implementer(IInternalReferenceField)
class InternalReferenceField(TextLine):
    """Internal reference field"""

    def __init__(self, content_type=None, *args, **kwargs):
        super(InternalReferenceField, self).__init__(*args, **kwargs)
        self.content_type = content_type


[docs]class IInternalReferencesListField(IList):
    """Internal references list field interface"""

    content_type = Attribute("Requested target content type")


[docs]@implementer(IInternalReferencesListField)
class InternalReferencesListField(List):
    """Internal references list field"""

    def __init__(self, content_type=None, value_type=None, unique=False, *args, **kwargs):
        super(InternalReferencesListField, self).__init__(value_type=TextLine(),
                                                          unique=True,
                                                          *args, **kwargs)
        self.content_type = content_type