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]