cybertools/composer/message/instance.py
helmutm 7f184927bd view for registrations listing for feedback message; improvements of registration forms
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2176 fd906abe-77d9-0310-91a1-e0d9ade77398
2007-11-14 09:06:27 +00:00

96 lines
3.1 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
#
"""
Message instance and related classes.
$Id$
"""
from string import Template
from zope import component
from zope.interface import implements
from zope.publisher.browser import TestRequest
from cybertools.composer.instance import Instance
from cybertools.composer.interfaces import IInstance
from cybertools.util.jeep import Jeep
class MessageInstance(Instance):
template = client = None
def __init__(self, client, template, manager):
self.client = client
self.template = template
self.manager = manager
def applyTemplate(self, data=None, **kw):
if data is None:
data = {}
dp = DataProvider(self, data)
text = MessageTemplate(self.template.text).safe_substitute(dp)
subject = self.template.subjectLine
data.update(dict(subjectLine=subject, text=text))
return data
class DataProvider(object):
def __init__(self, context, data):
self.context = context
self.data = data
def __getitem__(self, key):
client = self.context.client
#messageManager = self.context.template.getManager()
messageManager = self.context.manager
if key.startswith('@@'):
viewName = key[2:]
if client is None:
return '$' + key
request = self.data.get('request') or TestRequest()
view = component.queryMultiAdapter(
(client.manager, request), name=viewName)
if view is not None:
return view()
else:
return key
elif key in messageManager.messages:
#mi = component.getMultiAdapter(
# (client, messageManager.messages[key]), IInstance)
mi = MessageInstance(client, messageManager.messages[key],
messageManager)
return mi.applyTemplate()['text']
elif '.' in key:
if client is None:
return '$' + key
schemaName, fieldName = key.split('.', 1)
schema = client.manager.getClientSchemas()[schemaName]
instance = IInstance(client)
instance.template = schema
data = instance.applyTemplate()
return data[fieldName]
else:
raise KeyError(key)
class MessageTemplate(Template):
idpattern = r'@{0,2}[_a-z][_.a-z0-9]*[_a-z0-9]+'