def update(self):
super(MultiGenericFieldWidget, self).update()
self.valueWidgets.update()
requireCollectionResources()
self.jsonAddIdentifier = None
self.jsonAddTemplate = None
self.includeEmptyMessage = self.allowRemove
if self.allowAdding:
self.jsonAddIdentifier = 'id' + md5hash(self.identifier)
widgets = Widgets()
widgets.append(self.createValueWidget(
'{' + self.jsonAddIdentifier + '}', None))
widgets.update()
self.jsonAddTemplate = list(widgets)[0]
def jsonTemplateWidget(self):
widgets = Widgets()
widgets.append(self.createValueWidget('{identifier}', None))
widgets.update()
return list(widgets)[0]
class MultiGenericFieldWidget(FieldWidget):
grok.adapts(ICollectionField, Interface, Interface, Interface)
allowAdding = True
allowRemove = True
inlineValidation = False
def __init__(self, field, value_field, form, request):
super(MultiGenericFieldWidget, self).__init__(field, form, request)
self.allowAdding = field.allowAdding
self.allowRemove = field.allowRemove
self.inlineValidation = field.inlineValidation
self.valueField = value_field
self.valueWidgets = Widgets()
self.haveValues = False
def createValueWidget(self, new_identifier, value):
field = self.valueField.clone(new_identifier=str(new_identifier))
form = cloneFormData(self.form, prefix=self.identifier)
if value is not None:
form.ignoreContent = False
form.setContentData(NoneDataManager(value))
else:
form.ignoreRequest = False
form.ignoreContent = True
return form.widgetFactory.widget(field)
def addValueWidget(self, new_identifier, value):
widget = self.createValueWidget(new_identifier, value)
if widget is not None:
self.valueWidgets.append(widget)
return widget
def prepareContentValue(self, values):
count = 0
if values is not NO_VALUE:
for position, value in enumerate(values):
# Create new widgets for each value
self.addValueWidget(position, value)
count += len(values)
if self.allowAdding and self.required and not count:
self.addValueWidget(count, None)
count += 1
if count:
self.haveValues = True
return {self.identifier: str(count)}
def prepareRequestValue(self, values, extractor):
value_count = 0
errors = None
identifier_count = int(values.get(self.identifier, '0'))
remove_something = self.identifier + '.remove' in values
add_something = self.identifier + '.add' in values
if self.inlineValidation:
# If inlineValidation is on, and we removed or added
# something, we extract this field to get the
# validation messages right away (if the user clicked
# on add or remove, he cannot have clicked on an
# action button)
if add_something or remove_something:
ignored, errors = extractor.extract()
if errors:
self.form.errors.append(errors)
for position in range(0, identifier_count):
value_marker = (self.identifier, position,)
value_present = '%s.present.%d' % value_marker in values
if not value_present:
continue
value_identifier = '%s.field.%d' % value_marker
value_selected = '%s.checked.%d' % value_marker in values
if remove_something and value_selected:
if errors and value_identifier in errors:
# If the field have an error, remove it
del errors[value_identifier]
continue
# We need to provide the widget error now, but cannot set
# all of them on the form now, as we might remove them
# with delete
self.addValueWidget(position, None)
value_count += 1
if (add_something or
(self.allowAdding and self.required and not value_count)):
self.addValueWidget(identifier_count, None)
value_count += 1
values[self.identifier] = str(identifier_count + 1)
if value_count:
self.haveValues = True
if errors:
if len(errors) > 1:
self.form.errors.append(
Error(_(u"There were errors."), self.form.prefix))
else:
# If no errors are left, remove from the form (top level error)
del self.form.errors[self.identifier]
return values
@property
def jsonTemplateWidget(self):
widgets = Widgets()
widgets.append(self.createValueWidget('{identifier}', None))
widgets.update()
return list(widgets)[0]
def update(self):
super(MultiGenericFieldWidget, self).update()
self.valueWidgets.update()
requireCollectionResources()
self.jsonAddIdentifier = None
self.jsonAddTemplate = None
self.includeEmptyMessage = self.allowRemove
if self.allowAdding:
self.jsonAddIdentifier = 'id' + md5hash(self.identifier)
widgets = Widgets()
widgets.append(self.createValueWidget(
'{' + self.jsonAddIdentifier + '}', None))
widgets.update()
self.jsonAddTemplate = list(widgets)[0]
