104 lines
4.7 KiB
Python
104 lines
4.7 KiB
Python
# ------------------------------------------------------------------------------
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# This file is part of Appy, a framework for building applications in the Python
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# language. Copyright (C) 2007 Gaetan Delannay
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# Appy is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option) any later
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# version.
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# Appy is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License along with
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# Appy. If not, see <http://www.gnu.org/licenses/>.
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# ------------------------------------------------------------------------------
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from appy.fields import Field
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from appy.px import Px
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from appy.shared import utils as sutils
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# ------------------------------------------------------------------------------
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class Float(Field):
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allowedDecimalSeps = (',', '.')
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allowedThousandsSeps = (' ', '')
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pxView = pxCell = Px('''
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<x><x>:value</x>
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<input type="hidden" if="masterCss" class=":masterCss" value=":value"
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name=":name" id=":name"/>
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</x>''')
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pxEdit = Px('''
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<input id=":name" name=":name" size=":field.width"
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maxlength=":field.maxChars"
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value=":inRequest and requestValue or value" type="text"/>''')
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pxSearch = Px('''
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<!-- From -->
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<x var="fromName='%s*float' % widgetName">
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<label lfor=":fromName">:_('search_from')</label>
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<input type="text" name=":fromName" maxlength=":field.maxChars"
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value=":field.sdefault[0]" size=":field.swidth"/>
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</x>
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<!-- To -->
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<x var="toName='%s_to' % name">
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<label lfor=":toName">:_('search_to')</label>
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<input type="text" name=":toName" maxlength=":field.maxChars"
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value=":field.sdefault[1]" size="field.swidth"/>
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</x><br/>''')
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def __init__(self, validator=None, multiplicity=(0,1), default=None,
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show=True, page='main', group=None, layouts=None, move=0,
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indexed=False, searchable=False, specificReadPermission=False,
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specificWritePermission=False, width=5, height=None,
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maxChars=13, colspan=1, master=None, masterValue=None,
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focus=False, historized=False, mapping=None, label=None,
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sdefault=('',''), scolspan=1, swidth=None, sheight=None,
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persist=True, precision=None, sep=(',', '.'), tsep=' ',
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view=None, xml=None):
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# The precision is the number of decimal digits. This number is used
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# for rendering the float, but the internal float representation is not
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# rounded.
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self.precision = precision
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# The decimal separator can be a tuple if several are allowed, ie
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# ('.', ',')
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if type(sep) not in sutils.sequenceTypes:
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self.sep = (sep,)
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else:
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self.sep = sep
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# Check that the separator(s) are among allowed decimal separators
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for sep in self.sep:
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if sep not in Float.allowedDecimalSeps:
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raise Exception('Char "%s" is not allowed as decimal ' \
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'separator.' % sep)
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self.tsep = tsep
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Field.__init__(self, validator, multiplicity, default, show, page,
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group, layouts, move, indexed, False,
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specificReadPermission, specificWritePermission, width,
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height, maxChars, colspan, master, masterValue, focus,
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historized, mapping, label, sdefault, scolspan, swidth,
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sheight, persist, view, xml)
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self.pythonType = float
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def getFormattedValue(self, obj, value, showChanges=False, language=None):
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return sutils.formatNumber(value, sep=self.sep[0],
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precision=self.precision, tsep=self.tsep)
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def validateValue(self, obj, value):
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# Replace used separator with the Python separator '.'
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for sep in self.sep: value = value.replace(sep, '.')
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value = value.replace(self.tsep, '')
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try:
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value = self.pythonType(value)
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except ValueError:
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return obj.translate('bad_%s' % self.pythonType.__name__)
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def getStorableValue(self, obj, value):
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if not self.isEmptyValue(obj, value):
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for sep in self.sep: value = value.replace(sep, '.')
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value = value.replace(self.tsep, '')
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return self.pythonType(value)
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# ------------------------------------------------------------------------------
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