cybertools/reporter/resultset.py
helmutm d9c8ee3587 work in progress: reporting
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3866 fd906abe-77d9-0310-91a1-e0d9ade77398
2010-05-16 12:44:59 +00:00

125 lines
3 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
#
"""
Result set and related classes for reporting.
Now obsolete (but still used in some projects),
use cybertools.composer.report.result instead.
$Id$
"""
# TODO: move the generic stuff to cybertools.reporter.result
from zope.cachedescriptors.property import Lazy
from zope.component import adapts
from zope.interface import Interface, implements
from cybertools.composer.schema import Schema
from cybertools.composer.schema.instance import Instance
from cybertools.reporter.interfaces import IDataSource
from cybertools.reporter.interfaces import IResultSet, IRow, ICell
class Cell(object):
# TODO: replace Cell by FieldInstance
implements(ICell)
def __init__(self, field, value, row):
self.field = field
self.value = value
self.row = row
@property
def text(self):
value = self.value
if value:
if isinstance(value, unicode):
return value
return unicode(str(value))
return u''
@property
def token(self):
return self.value
def sortKey(self):
return self.value
url = urlTitle = u''
class Row(Instance):
implements(IRow)
def __init__(self, context, resultSet):
self.context = context
self.resultSet = resultSet
@Lazy
def schema(self):
return self.resultSet.schema
@Lazy
def fields(self):
return self.schema.fields
@property
def cells(self):
for f in self.schema.fields:
rf = f.renderFactory or Cell
yield rf(f, getattr(self.context, f.name), self)
class ContentRow(Instance):
""" A row adapter for standard content objects.
"""
implements(IRow)
adapts(Interface)
@Lazy
def fields(self):
return self.template.fields
class ResultSet(object):
implements(IResultSet)
adapts(IDataSource)
view = None
def __init__(self, context):
self.context = context
self.schema = Schema()
@property
def rows(self):
for o in iter(self.context):
yield Row(o, self)
def getRows(self):
for o in iter(self.context):
row = IRow(o)
row.resultSet = self
row.template = self.schema
yield row