cybertools/composer/schema/browser/schema.py
2007-10-29 16:40:00 +00:00

101 lines
3.3 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
#
"""
Basic browser view classes for composer.schema.
$Id$
"""
from zope import component
from zope.cachedescriptors.property import Lazy
from cybertools.composer.schema.browser.common import BaseView
from cybertools.composer.interfaces import IInstance
from cybertools.composer.schema.interfaces import IClientFactory
from cybertools.composer.schema.schema import FormState
class SchemaView(BaseView):
""" View for schema objects.
"""
formState = FormState()
isManageMode = False
@Lazy
def fields(self):
return self.context.fields
@Lazy
def data(self):
return self.getData()
def getData(self):
form = self.request.form
clientName = self.getClientName()
if not clientName:
return {}
manager = self.context.getManager()
client = manager.getClients().get(clientName)
if client is None:
return {}
instance = IInstance(client)
instance.template = self.context
data = instance.applyTemplate(mode='edit')
for k, v in data.items():
#overwrite data with values from form
if k in form:
data[k] = form[k]
return data
def update(self):
newClient = False
form = self.request.form
clientName = self.getClientName()
if not form.get('action'):
return True
if self.isManageMode:
# Don't store anything when editing
self.request.response.redirect(self.getNextUrl())
return False
manager = self.context.getManager()
if clientName:
client = manager.getClients().get(clientName)
if client is None:
# no valid clientName - show empty form
return True
#self.setClientName(clientName) # store in view and session
else:
client = IClientFactory(manager)()
# only add client to manager after validation, so we have
# to keep the info about new client here
newClient = True
instance = component.getAdapter(client, IInstance, name='editor')
instance.template = self.context
self.formState = formState = instance.applyTemplate(form)
if formState.severity > 0:
# show form again; do not add client to manager
return True
if newClient:
clientName = manager.addClient(client)
self.setClientName(clientName)
self.request.response.redirect(self.getNextUrl())
return False