# ------------------------------------------------------------------------------ # This file is part of Appy, a framework for building applications in the Python # language. Copyright (C) 2007 Gaetan Delannay # Appy 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 3 of the License, or (at your option) any later # version. # Appy 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 # Appy. If not, see . # ------------------------------------------------------------------------------ from appy.fields import Field from appy.px import Px from appy.gen.layout import Table # ------------------------------------------------------------------------------ class Boolean(Field): '''Field for storing boolean values.''' pxView = pxCell = Px(''' :value ''') pxEdit = Px(''' ''') pxSearch = Px('''
  
''') def __init__(self, validator=None, multiplicity=(0,1), default=None, show=True, page='main', group=None, layouts = None, move=0, indexed=False, searchable=False, specificReadPermission=False, specificWritePermission=False, width=None, height=None, maxChars=None, colspan=1, master=None, masterValue=None, focus=False, historized=False, mapping=None, label=None, sdefault=False, scolspan=1, swidth=None, sheight=None): Field.__init__(self, validator, multiplicity, default, show, page, group, layouts, move, indexed, searchable, specificReadPermission, specificWritePermission, width, height, None, colspan, master, masterValue, focus, historized, True, mapping, label, sdefault, scolspan, swidth, sheight) self.pythonType = bool # Layout including a description dLayouts = {'view': 'lf', 'edit': Table('flrv;=d', width=None)} # Centered layout, no description cLayouts = {'view': 'lf|', 'edit': 'flrv|'} def getDefaultLayouts(self): return {'view': 'lf', 'edit': Table('f;lrv;=', width=None)} def getValue(self, obj): '''Never returns "None". Returns always "True" or "False", even if "None" is stored in the DB.''' value = Field.getValue(self, obj) if value == None: return False return value def getFormattedValue(self, obj, value, showChanges=False): if value: res = obj.translate('yes') else: res = obj.translate('no') return res def getStorableValue(self, value): if not self.isEmptyValue(value): exec 'res = %s' % value return res def isChecked(self, obj, dbValue): '''When rendering this field as a checkbox, must it be checked or not?''' rq = obj.REQUEST # Get the value we must compare (from request or from database) if rq.has_key(self.name): return rq.get(self.name) in ('True', 1, '1') return dbValue # ------------------------------------------------------------------------------