cybertools/composer/schema/field.py
helmutm 9a600b7388 minor fixes for composer.schema
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1962 fd906abe-77d9-0310-91a1-e0d9ade77398
2007-08-27 17:15:15 +00:00

85 lines
2.3 KiB
Python

#
# Copyright (c) 2007 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Schema fields and related classes.
$Id$
"""
from zope.interface import implements
from zope import schema
from cybertools.composer.base import Component
from cybertools.composer.schema.interfaces import IField, IFieldState
from cybertools.util.format import toStr, toUnicode
class Field(Component):
implements(IField)
required = False
def __init__(self, name, title=None, renderFactory=None, **kw):
assert name
self.__name__ = name
title = title or u''
self.renderFactory = renderFactory # use for rendering field content
super(Field, self).__init__(title, __name__=name, **kw)
self.title = title
for k, v in kw.items():
setattr(self, k, v)
@property
def name(self):
return self.__name__
def getTitleValue(self):
return self.title or self.name
def marshallValue(self, value):
return value
#return toStr(value)
def displayValue(self, value):
return value
#return toStr(value)
def unmarshallValue(self, strValue):
return toUnicode(strValue) or u''
def validateValue(self, value):
errors = []
severity = 0
if not value and self.required:
errors.append('required_missing')
severity = 5
return FieldState(self.name, errors, severity)
class FieldState(object):
implements(IFieldState)
def __init__(self, name, errors=[], severity=0, change=None):
self.name = self.__name__ = name
self.errors = errors
self.severity = severity
self.change = change