242c4a4921
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1845 fd906abe-77d9-0310-91a1-e0d9ade77398
75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
#
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# Copyright (c) 2007 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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Schemas and Fields.
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$Id$
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"""
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from zope import schema
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from zope.interface import Interface, Attribute
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from zope.i18nmessageid import MessageFactory
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from cybertools.composer.interfaces import ITemplate, IComponent
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_ = MessageFactory('zope')
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class ISchema(ITemplate):
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""" Represents an ordered sequence of fields.
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"""
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fields = Attribute('The components the schema is built up of. '
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'Should be a sequence of IField objects.')
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manager = Attribute('A manager object that may provide special '
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'features, e.g. a factory of o')
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class IField(IComponent):
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""" May be used for data entry or display.
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"""
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name = schema.ASCII(
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title=_(u'Fieldname'),
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description=_(u'The internal name of the field'),
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required=True,)
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title = schema.TextLine(
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title=_(u'Title'),
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description=_(u'The title or label of the field'),
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required=True,)
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description = schema.Text(
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title=_(u'Description'),
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description=_(u'A more lengthy description of the field'),
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required=False,)
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fieldType = schema.Choice(
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title=_(u'Field type'),
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description=_(u'The type of the field'),
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required=True,
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default='textline',
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values=('textline', 'textarea', 'date'))
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defaultValue = schema.TextLine(
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title=_(u'Default'),
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description=_(u'Value with which to pre-set the field contents'),
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required=False,)
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required = schema.Bool(
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title=_(u'Required'),
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description=_(u'Must a value been entered into this field?'),
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required=False,)
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