def write(self, fieldNode, schema, field):
name = field.__name__
widget = schema.queryTaggedValue(WIDGETS_KEY, {}).get(name, None)
mode = [
(i, v) for i, n, v in schema.queryTaggedValue(MODES_KEY, [])
if n == name
]
omitted = [
(i, v) for i, n, v in schema.queryTaggedValue(OMITTED_KEY, [])
if n == name
]
order = [
(d, v) for n, d, v in schema.queryTaggedValue(ORDER_KEY, [])
if n == name
]
if widget is not None:
if not isinstance(widget, ParameterizedWidget):
widget = ParameterizedWidget(widget)
if widget.widget_factory or widget.params:
widgetNode = etree.Element(ns('widget', self.namespace))
widgetName = widget.getWidgetFactoryName()
if widgetName is not None:
widgetNode.set('type', widgetName)
widgetHandler = widget.getExportImportHandler(field)
widgetHandler.write(widgetNode, widget.params)
fieldNode.append(widgetNode)
mode_values = []
for interface, value in mode:
if interface is not Interface:
value = "%s:%s" % (interface.__identifier__, value)
mode_values.append(value)
if mode_values:
fieldNode.set(ns('mode', self.namespace), " ".join(mode_values))
omitted_values = []
for interface, value in omitted:
if interface is not Interface:
value = "%s:%s" % (interface.__identifier__, value)
omitted_values.append(value)
if omitted_values:
fieldNode.set(
ns('omitted', self.namespace),
" ".join(omitted_values)
)
for direction, relative_to in order:
if direction == 'before':
fieldNode.set(ns('before', self.namespace), relative_to)
elif direction == 'after':
fieldNode.set(ns('after', self.namespace), relative_to)
def read(self, fieldNode, schema, field):
name = field.__name__
widgetAttr = fieldNode.get(ns('widget', self.namespace))
mode = fieldNode.get(ns('mode', self.namespace))
omitted = fieldNode.get(ns('omitted', self.namespace))
before = fieldNode.get(ns('before', self.namespace))
after = fieldNode.get(ns('after', self.namespace))
validator = fieldNode.get(ns('validator', self.namespace))
if mode:
self._add_interface_values(schema, MODES_KEY, name, mode)
if omitted:
self._add_interface_values(schema, OMITTED_KEY, name, omitted)
if before:
self._add_order(schema, name, 'before', before)
if after:
self._add_order(schema, name, 'after', after)
if validator:
self._add_validator(field, validator)
widgetNode = fieldNode.find(ns('widget', self.namespace))
widget = None
if widgetNode is not None: # form:widget element
widgetFactory = widgetNode.get('type')
if widgetFactory is not None:
# resolve immediately so we don't have to each time
# form is rendered
widgetFactory = resolveDottedName(widgetFactory)
widget = ParameterizedWidget(widgetFactory)
widgetHandler = widget.getExportImportHandler(field)
widgetHandler.read(widgetNode, widget.params)
elif widgetAttr is not None: # BBB for old form:widget attributes
obj = resolveDottedName(widgetAttr)
if not IFieldWidget.implementedBy(obj):
raise ValueError(
'IFieldWidget not implemented by {0}'.format(obj)
)
widget = widgetAttr
if widget is not None:
self._add(schema, WIDGETS_KEY, name, widget)
def read(self, fieldNode, schema, field):
name = field.__name__
widgetAttr = fieldNode.get(ns('widget', self.namespace))
mode = fieldNode.get(ns('mode', self.namespace))
omitted = fieldNode.get(ns('omitted', self.namespace))
before = fieldNode.get(ns('before', self.namespace))
after = fieldNode.get(ns('after', self.namespace))
validator = fieldNode.get(ns('validator', self.namespace))
if mode:
self._add_interface_values(schema, MODES_KEY, name, mode)
if omitted:
self._add_interface_values(schema, OMITTED_KEY, name, omitted)
if before:
self._add_order(schema, name, 'before', before)
if after:
self._add_order(schema, name, 'after', after)
if validator:
self._add_validator(field, validator)
widgetNode = fieldNode.find(ns('widget', self.namespace))
widget = None
if widgetNode is not None: # form:widget element
widgetFactory = widgetNode.get('type')
if widgetFactory is not None:
# resolve immediately so we don't have to each time
# form is rendered
widgetFactory = resolveDottedName(widgetFactory)
widget = ParameterizedWidget(widgetFactory)
widgetHandler = widget.getExportImportHandler(field)
widgetHandler.read(widgetNode, widget.params)
elif widgetAttr is not None: # BBB for old form:widget attributes
obj = resolveDottedName(widgetAttr)
if not IFieldWidget.implementedBy(obj):
raise ValueError(
'IFieldWidget not implemented by {0}'.format(obj))
widget = widgetAttr
if widget is not None:
self._add(schema, WIDGETS_KEY, name, widget)
