loops/expert/field.py

141 lines
4 KiB
Python

#
# Copyright (c) 2012 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
#
"""
Field definitions for reports.
"""
from zope.i18n.locales import locales
from cybertools.composer.report.field import Field
from cybertools.composer.report.result import ResultSet
from cybertools.util.date import timeStamp2Date
from loops.common import baseObject
from loops.expert.report import ReportInstance
from loops import util
class TextField(Field):
format = 'text/restructured'
def getDisplayValue(self, row):
value = self.getValue(row)
return row.parent.context.view.renderText(value, self.format)
class DecimalField(Field):
format = 'decimal'
pattern = u'#,##0.00;-#,##0.00'
renderer = 'right'
def getDisplayValue(self, row):
value = self.getRawValue(row)
if not value:
return u''
if not isinstance(value, float):
value = float(value)
nv = row.parent.context.view.nodeView
langInfo = nv and getattr(nv, 'languageInfo', None) or None
if langInfo:
locale = locales.getLocale(langInfo.language)
fmt = locale.numbers.getFormatter(self.format)
return fmt.format(value, pattern=self.pattern)
return '%.2f' % value
class DateField(Field):
format = ('date', 'short')
def getDisplayValue(self, row):
value = self.getRawValue(row)
if not value:
return u''
if isinstance(value, int):
value = timeStamp2Date(value)
nv = row.parent.context.view.nodeView
langInfo = nv and getattr(nv, 'languageInfo', None) or None
if langInfo:
locale = locales.getLocale(langInfo.language)
fmt = locale.dates.getFormatter(*self.format)
return fmt.format(value)
else:
return value.isoformat()[:10]
class UrlField(Field):
renderer = 'target'
def getDisplayValue(self, row):
if row.context is None: # probably a totals row
return dict(title=u'', url=u'')
nv = row.parent.context.view.nodeView
return dict(title=self.getValue(row),
url=nv.getUrlForTarget(baseObject(row.context)))
class RelationField(Field):
renderer = 'target'
displayAttribute = 'title'
def getValue(self, row):
return self.getRawValue(row)
def getDisplayValue(self, row):
value = self.getValue(row)
if value is None:
return dict(title=u'', url=u'')
nv = row.parent.context.view.nodeView
return dict(title=getattr(value, self.displayAttribute),
url=nv.getUrlForTarget(baseObject(value)))
class TargetField(RelationField):
def getValue(self, row):
value = self.getRawValue(row)
if value is None:
return None
return util.getObjectForUid(value)
# sub-report stuff
class SubReport(ReportInstance):
pass
class SubReportField(Field):
renderer = 'subreport'
reportFactory = SubReport
def getReportInstance(self, row):
baseReport = row.parent.context
instance = self.reportFactory(baseReport.context)
instance.view = baseReport.view
return instance
def getValue(self, row):
ri = self.getReportInstance(row)
return ResultSet(ri, ri.getResults())