cybertools/composer/report/field.py
helmutm 9345efa7a6 provide a default comparison value that is used for querying if no comparison value has been entered for a field
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@4210 fd906abe-77d9-0310-91a1-e0d9ade77398
2011-03-31 11:55:09 +00:00

94 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
#
"""
Implementation of report field definitions.
$Id$
"""
from datetime import datetime
from time import strptime, strftime
from zope.interface import implements
from zope.cachedescriptors.property import Lazy
from zope.component import adapts
from zope import component
from zope.i18n.locales import locales
from cybertools.composer.base import Component
from cybertools.composer.report.interfaces import IField
from cybertools.composer.report.interfaces import fieldTypes
class Field(Component):
implements(IField)
fieldType = 'text'
vocabulary = None
default = defaultComparisonValue = None
instance_name = None
storeData = True
renderer = 'standard'
operator = 'in'
executionSteps = ['query', 'sort', 'output']
operators = [{'token': 'eq', 'label': '=='},
{'token': 'lt', 'label': '<'},
{'token': 'le', 'label': '<='},
{'token': 'gt', 'label': '>'},
{'token': 'ge', 'label': '>='},]
def __init__(self, name, title=None, fieldType='textline', **kw):
assert name
self.__name__ = name
title = title or name
self.fieldType = fieldType
super(Field, self).__init__(title, __name__=name, **kw)
self.title = title
for k, v in kw.items():
setattr(self, k, v)
@property
def name(self):
return self.__name__
def getRawValue(self, row):
return getattr(row.context, self.name)
def getSelectValue(self, row):
return getattr(row, self.name, None)
#return self.getRawValue(row) # better let row control selection...
def getValue(self, row):
value = self.getRawValue(row)
if value is None:
return u''
if isinstance(value, basestring):
return value
return getattr(value, 'title', str(value))
def getSortValue(self, row):
# TODO: consider 'descending' flag, use raw value instead of formatted one
return self.getValue(row)
label = Field('label', u'Label',
u'A short text that identifies a row for humans.')