def isEmptyValue(self, obj, value):
'''Returns True if the p_value must be considered as an empty value.'''
if not self.isMultilingual(obj):
return Field.isEmptyValue(self, obj, value)
# For a multilingual value, as soon as a value is not empty for a given
# language, the whole value is considered as not being empty.
if not value: return True
for v in value.itervalues():
if not Field.isEmptyValue(self, obj, v): return
return True
def isEmptyValue(self, obj, value):
'''Returns True if the p_value must be considered as an empty value.'''
if not self.isMultilingual(obj):
return Field.isEmptyValue(self, obj, value)
# For a multilingual value, as soon as a value is not empty for a given
# language, the whole value is considered as not being empty.
if not value: return True
for v in value.itervalues():
if not Field.isEmptyValue(self, obj, v): return
return True
def getUnilingualFormattedValue(self, obj, value, showChanges=False,
userLanguage=None, language=None):
'''If no p_language is specified, this method is called by
m_getFormattedValue for getting a non-multilingual value (ie, in
most cases). Else, this method returns a formatted value for the
p_language-specific part of a multilingual value.'''
if Field.isEmptyValue(self, obj, value): return ''
res = value
if self.isSelect:
if isinstance(self.validator, Selection):
# Value(s) come from a dynamic vocabulary
val = self.validator
if self.isMultiValued():
return [val.getText(obj, v, self, language=userLanguage) \
for v in value]
else:
return val.getText(obj, value, self, language=userLanguage)
else:
# Value(s) come from a fixed vocabulary whose texts are in
# i18n files.
_ = obj.translate
if self.isMultiValued():
res = [_('%s_list_%s' % (self.labelId, v), \
language=userLanguage) for v in value]
else:
res = _('%s_list_%s' % (self.labelId, value), \
language=userLanguage)
elif (self.format == String.XHTML) and showChanges:
# Compute the successive changes that occurred on p_value.
res = self.getDiffValue(obj, res, language)
# If value starts with a carriage return, add a space; else, it will
# be ignored.
if isinstance(res, basestring) and \
(res.startswith('\n') or res.startswith('\r\n')): res = ' ' + res
return res
def isCompleteValue(self, obj, value):
'''Returns True if the p_value must be considered as complete. For a
unilingual field, being complete simply means not being empty. For a
multilingual field, being complete means that a value is present for
every language.'''
if not self.isMultilingual(obj):
return Field.isCompleteValue(self, obj, value)
# As soon as a given language value is empty, the global value is not
# complete.
if not value: return True
for v in value.itervalues():
if Field.isEmptyValue(self, obj, v): return
return True
def isCompleteValue(self, obj, value):
'''Returns True if the p_value must be considered as complete. For a
unilingual field, being complete simply means not being empty. For a
multilingual field, being complete means that a value is present for
every language.'''
if not self.isMultilingual(obj):
return Field.isCompleteValue(self, obj, value)
# As soon as a given language value is empty, the global value is not
# complete.
if not value: return True
for v in value.itervalues():
if Field.isEmptyValue(self, obj, v): return
return True
def getUnilingualStorableValue(self, obj, value):
isString = isinstance(value, basestring)
isEmpty = Field.isEmptyValue(self, obj, value)
# Apply transform if required
if isString and not isEmpty and (self.transform != 'none'):
value = self.applyTransform(value)
# Clean XHTML strings
if not isEmpty and (self.format == String.XHTML):
# When image upload is allowed, ckeditor inserts some "style" attrs
# (ie for image size when images are resized). So in this case we
# can't remove style-related information.
try:
value = XhtmlCleaner(keepStyles=False).clean(value)
except XhtmlCleaner.Error, e:
# Errors while parsing p_value can't prevent the user from
# storing it.
pass
def getUnilingualStorableValue(self, obj, value):
isString = isinstance(value, basestring)
isEmpty = Field.isEmptyValue(self, obj, value)
# Apply transform if required
if isString and not isEmpty and (self.transform != 'none'):
value = self.applyTransform(value)
# Clean XHTML strings
if not isEmpty and (self.format == String.XHTML):
# When image upload is allowed, ckeditor inserts some "style" attrs
# (ie for image size when images are resized). So in this case we
# can't remove style-related information.
try:
value = XhtmlCleaner(keepStyles=False).clean(value)
except XhtmlCleaner.Error, e:
# Errors while parsing p_value can't prevent the user from
# storing it.
pass
def getUnilingualFormattedValue(self,
obj,
value,
showChanges=False,
userLanguage=None,
language=None):
'''If no p_language is specified, this method is called by
m_getFormattedValue for getting a non-multilingual value (ie, in
most cases). Else, this method returns a formatted value for the
p_language-specific part of a multilingual value.'''
if Field.isEmptyValue(self, obj, value): return ''
res = value
if self.isSelect:
if isinstance(self.validator, Selection):
# Value(s) come from a dynamic vocabulary
val = self.validator
if self.isMultiValued():
return [val.getText(obj, v, self, language=userLanguage) \
for v in value]
else:
return val.getText(obj, value, self, language=userLanguage)
else:
# Value(s) come from a fixed vocabulary whose texts are in
# i18n files.
_ = obj.translate
if self.isMultiValued():
res = [_('%s_list_%s' % (self.labelId, v), \
language=userLanguage) for v in value]
else:
res = _('%s_list_%s' % (self.labelId, value), \
language=userLanguage)
elif (self.format == String.XHTML) and showChanges:
# Compute the successive changes that occurred on p_value.
res = self.getDiffValue(obj, res, language)
# If value starts with a carriage return, add a space; else, it will
# be ignored.
if isinstance(res, basestring) and \
(res.startswith('\n') or res.startswith('\r\n')):
res = ' ' + res
return res
def isEmptyValue(self, value, obj=None):
'''Must p_value be considered as empty?'''
if not obj: return Field.isEmptyValue(self, value)
if value: return False
# If "nochange", the value must not be considered as empty
return obj.REQUEST.get('%s_delete' % self.name) != 'nochange'
