appypod-rattail/fields/boolean.py

109 lines
4.6 KiB
Python

# ------------------------------------------------------------------------------
# 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 <http://www.gnu.org/licenses/>.
# ------------------------------------------------------------------------------
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('''
<x><x>:value</x>
<input type="hidden" if="masterCss"
class=":masterCss" value=":rawValue" name=":name" id=":name"/>
</x>''')
pxEdit = Px('''
<x var="isChecked=field.isChecked(zobj, rawValue)">
<input type="checkbox" name=":name + '_visible'" id=":name"
class=":masterCss" checked=":isChecked"
onclick=":'toggleCheckbox(%s, %s); updateSlaves(this)' % \
(q(name), q('%s_hidden' % name))"/>
<input type="hidden" name=":name" id=":'%s_hidden' % name"
value=":isChecked and 'True' or 'False')"/>
</x>''')
pxSearch = Px('''
<x var="typedWidget='%s*bool' % widgetName">
<label lfor=":widgetName">:_(field.labelId)"></label><br/>&nbsp;&nbsp;
<x var="valueId='%s_yes' % name">
<input type="radio" value="True" name=":typedWidget" id=":valueId"/>
<label lfor=":valueId">:_('yes')</label>
</x>
<x var="valueId='%s_no' % name">
<input type="radio" value="False" name=":typedWidget" id=":valueId"/>
<label lfor=":valueId">:_('no')"></label>
</x>
<x var="valueId='%s_whatever' % name">
<input type="radio" value="" name=":typedWidget" id=":valueId"
checked="checked"/>
<label lfor=":valueId">:_('whatever')</label>
</x><br/>
</x>''')
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
# ------------------------------------------------------------------------------