cybertools/composer/schema/schema.py
helmutm 6cb702924e add 'labelWidth' schema property for better control of the apperance of forms
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3709 fd906abe-77d9-0310-91a1-e0d9ade77398
2010-02-01 15:07:23 +00:00

98 lines
2.8 KiB
Python

#
# Copyright (c) 2010 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
#
"""
Basic classes for schemas, i.e. sets of fields that may be used for creating
editing forms or display views for objects.
$Id$
"""
from zope.interface import implements
from cybertools.composer.base import Component, Element, Compound
from cybertools.composer.base import Template
from cybertools.composer.schema.interfaces import ISchema, IFormState
from cybertools.util.jeep import Jeep
class Schema(Template):
implements(ISchema)
name = u''
labelWidth = 'auto'
manager = None
def __init__(self, *fields, **kw):
name = kw.get('name', None)
if name is not None:
self.name = name
manager = kw.get('manager', None)
if manager is not None:
self.manager = self.__parent__ = manager
super(Schema, self).__init__()
for f in fields:
self.components.append(f)
@property
def fields(self):
return self.components
@property
def __name__(self):
return self.name
def getManager(self):
return self.manager
class FormState(object):
implements(IFormState)
def __init__(self, fieldInstances=[], changed=False, severity=0):
self.fieldInstances = Jeep(fieldInstances)
self.changed = changed
self.severity = severity
class FormError(object):
def __init__(self, title, description=None, severity=5):
self.title = title
self.description = description or title
self.severity = severity
def __str__(self):
return self.title
def __repr__(self):
return "FormError('%s')" % self.title
formErrors = dict(
required_missing=FormError(u'Missing data for required field',
u'Please enter data for required field.'),
invalid_number=FormError(u'Invalid number',
u'Please enter a number, only digits allowed.'),
invalid_datetime=FormError(u'Invalid date/time',
u'Please enter a string denoting a valid date/time.'),
invalid_email_address=FormError(u'Invalid E-Mail Address',
u'Please enter a valid email address.'),
)