08b9c81b1c
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@3188 fd906abe-77d9-0310-91a1-e0d9ade77398
92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
#
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# Copyright (c) 2008 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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Field and field instance classes for grids.
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$Id$
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"""
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from zope import component
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from zope.component import adapts
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from zope.interface import implements
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from zope.app.pagetemplate import ViewPageTemplateFile
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from zope.cachedescriptors.property import Lazy
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import zope.schema
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from zope.traversing.api import getName
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from cybertools.composer.schema.factory import createField
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from cybertools.composer.schema.field import FieldInstance, ListFieldInstance
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from cybertools.composer.schema.interfaces import IField, IFieldInstance
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from cybertools.composer.schema.interfaces import fieldTypes, undefined
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from cybertools.util.format import toStr, toUnicode
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from cybertools.util import json
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from loops import util
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relation_macros = ViewPageTemplateFile('relation_macros.pt')
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class BaseRelationFieldInstance(object):
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@Lazy
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def typesParams(self):
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result = []
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types = self.context.target_types
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for t in types:
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result.append('searchType=loops:concept:%s' % t)
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if result:
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return '?' + '&'.join(result)
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return ''
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def getPresetTargets(self, view):
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if view.adapted.__is_dummy__:
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# only for object in creation
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target = view.virtualTargetObject
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if getName(target.conceptType) in self.context.target_types:
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return [dict(title=target.title, uid=util.getUidForObject(target))]
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return []
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class RelationSetFieldInstance(ListFieldInstance, BaseRelationFieldInstance):
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def marshall(self, value):
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return [dict(title=v.title, uid=util.getUidForObject(v.context))
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for v in value]
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def display(self, value):
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return ' | '.join([v.title for v in value])
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def unmarshall(self, value):
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return [util.getObjectForUid(v) for v in value]
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class RelationFieldInstance(FieldInstance, BaseRelationFieldInstance):
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def marshall(self, value):
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if value:
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return dict(title=value.title, uid=util.getUidForObject(value.context))
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def display(self, value):
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if value:
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return value.title
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return u''
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def unmarshall(self, value):
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return util.getObjectForUid(value)
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