cybertools/composer/report/result.py
helmutm 643fe8db4d add more configuration options; implement default checking of query criteria
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3888 fd906abe-77d9-0310-91a1-e0d9ade77398
2010-06-06 14:13:15 +00:00

61 lines
1.9 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
#
"""
Report result sets and related classes.
$Id$
"""
from zope.cachedescriptors.property import Lazy
from cybertools.composer.interfaces import IInstance
from cybertools.composer.report.base import BaseQueryCriteria
class Row(object):
def __init__(self, context, parent):
self.context = context
self.parent = parent
def __getattr__(self, attr):
f = self.parent.context.fields[attr]
return f.getValue(self)
class ResultSet(object):
def __init__(self, context, data, rowFactory=Row,
sortCriteria=None, queryCriteria=BaseQueryCriteria()):
self.context = context
self.data = data
self.rowFactory = rowFactory
self.sortCriteria = sortCriteria
self.queryCriteria = queryCriteria
def getResult(self):
result = [self.rowFactory(item, self) for item in self.data]
result = [row for row in result if self.queryCriteria.check(row)]
if self.sortCriteria:
result.sort(key=lambda x: [f.getSortValue(x) for f in self.sortCriteria])
return result
def __iter__(self):
return iter(self.getResult())