7a0a2e2790
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@809 fd906abe-77d9-0310-91a1-e0d9ade77398
64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
#
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# Copyright (c) 2004 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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loops interface definitions.
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$Id$
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"""
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from zope.interface import Interface
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from zope.i18nmessageid import MessageFactory
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from zope import schema
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_ = MessageFactory('loops')
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class IConcept(Interface):
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""" The 'concept' is the central element of the loops framework.
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A concept is related to other concepts.
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"""
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title = schema.TextLine(
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title=_(u'Title'),
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description=_(u'Name or short title of the concept'),
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default=u'',
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required=True)
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def getSubConcepts(relationships=None):
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""" Return a tuple of concepts related to self as sub-concepts,
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possibly restricted to the relationships (typically a list of
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relation classes) given.
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"""
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def getParentConcepts(relationships=None):
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""" Return a tuple of concepts related to self as parent concepts,
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possibly restricted to the relationships (typically a list of
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relation classes) given.
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"""
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def assignConcept(concept, relationship):
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""" Assign an existing concept to self using the relationship given.
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The assigned concept will be a sub-concept of self.
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"""
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def deassignConcept(concept, relationships=None):
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""" Remove the relations to the concept given from self, optionally
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restricting them to the relationships given.
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"""
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