def _process_widgets(form, widgets, modes, newFields):
"""Update the fields list with widgets
"""
for fieldName in newFields:
fieldInstance = newFields[fieldName]
baseName = _bn(fieldInstance)
widgetName = widgets.get(baseName, None)
widgetMode = modes.get(baseName, fieldInstance.mode) \
or form.mode \
or INPUT_MODE
widgetFactory = None
if widgetName is not None:
if isinstance(widgetName, six.string_types):
widgetFactory = resolveDottedName(widgetName)
elif IFieldWidget.implementedBy(widgetName):
widgetFactory = widgetName
elif IParameterizedWidget.providedBy(widgetName):
widgetFactory = widgetName
if widgetFactory is not None:
fieldInstance.widgetFactory[widgetMode] = widgetFactory
if baseName in modes:
newFields[fieldName].mode = widgetMode
def _process_widgets(form, widgets, modes, newFields):
"""Update the fields list with widgets
"""
for fieldName in newFields:
fieldInstance = newFields[fieldName]
baseName = _bn(fieldInstance)
widgetName = widgets.get(baseName, None)
widgetMode = modes.get(baseName, fieldInstance.mode) \
or form.mode \
or INPUT_MODE
widgetFactory = None
if widgetName is not None:
if isinstance(widgetName, six.string_types):
widgetFactory = resolveDottedName(widgetName)
elif IFieldWidget.implementedBy(widgetName):
widgetFactory = widgetName
elif IParameterizedWidget.providedBy(widgetName):
widgetFactory = widgetName
if widgetFactory is not None:
fieldInstance.widgetFactory[widgetMode] = widgetFactory
if baseName in modes:
newFields[fieldName].mode = widgetMode
def __call__(self, field, request):
__traceback_info__ = (
'{0}, processing:\n'
'- field "{1}"\n'
'- widget: {2}\n'
'- params: {3}\n'.format(
self.__class__.__name__,
field.__name__,
repr(self.widget_factory),
self.params
)
)
if isinstance(self.widget_factory, six.string_types):
__traceback_info__ += '- resolving dotted name\n'
self.widget_factory = resolveDottedName(self.widget_factory)
if self.widget_factory is None:
# use default widget factory for this field type
__traceback_info__ += '- using default widget factory\n'
widget = getMultiAdapter((field, request), IFieldWidget)
elif IWidget.implementedBy(self.widget_factory):
__traceback_info__ += '- calling factory, then wrapping with ' \
'FieldWidget\n'
widget = FieldWidget(field, self.widget_factory(request))
elif IFieldWidget.implementedBy(self.widget_factory):
__traceback_info__ += '- calling factory\n'
widget = self.widget_factory(field, request)
for k, v in self.params.items():
setattr(widget, k, v)
return widget
def __init__(self, widget_factory=None, **params):
if widget_factory is not None:
if not IFieldWidget.implementedBy(widget_factory) \
and not IWidget.implementedBy(widget_factory) \
and not isinstance(widget_factory, six.string_types):
raise TypeError('widget_factory must be an IFieldWidget '
'or an IWidget')
self.widget_factory = widget_factory
self.params = params
def __init__(self, widget_factory=None, **params):
if widget_factory is not None:
if not IFieldWidget.implementedBy(widget_factory) \
and not IWidget.implementedBy(widget_factory) \
and not isinstance(widget_factory, basestring):
raise TypeError('widget_factory must be an IFieldWidget '
'or an IWidget')
self.widget_factory = widget_factory
self.params = params
def __call__(self, field, request):
if isinstance(self.widget_factory, basestring):
self.widget_factory = resolveDottedName(self.widget_factory)
if self.widget_factory is None:
# use default widget factory for this field type
widget = getMultiAdapter((field, request), IFieldWidget)
elif IWidget.implementedBy(self.widget_factory):
widget = FieldWidget(field, self.widget_factory(request))
elif IFieldWidget.implementedBy(self.widget_factory):
widget = self.widget_factory(field, request)
for k, v in self.params.items():
setattr(widget, k, v)
return widget
def __call__(self, field, request):
if isinstance(self.widget_factory, basestring):
self.widget_factory = resolveDottedName(self.widget_factory)
if self.widget_factory is None:
# use default widget factory for this field type
widget = getMultiAdapter((field, request), IFieldWidget)
elif IWidget.implementedBy(self.widget_factory):
widget = FieldWidget(field, self.widget_factory(request))
elif IFieldWidget.implementedBy(self.widget_factory):
widget = self.widget_factory(field, request)
for k, v in self.params.items():
setattr(widget, k, v)
return widget
def factory(self, field_name=None, widget_class=None, **kw):
widgets = {}
if field_name is None: # Usage 3
for field_name, widget in kw.items():
if not isinstance(widget, basestring):
widget = "%s.%s" % (widget.__module__, widget.__name__)
widgets[field_name] = widget
else:
if widget_class is not None \
and not IFieldWidget.implementedBy(widget_class) \
and not IWidget.implementedBy(widget_class):
raise TypeError('widget_class must implement IWidget or IFieldWidget')
widgets[field_name] = ParameterizedWidget(widget_class, **kw)
return widgets
def factory(self, field_name=None, widget_class=None, **kw):
widgets = {}
if field_name is None: # Usage 3
for field_name, widget in kw.items():
if not isinstance(widget, basestring):
widget = "%s.%s" % (widget.__module__, widget.__name__)
widgets[field_name] = widget
else:
if widget_class is not None \
and not IFieldWidget.implementedBy(widget_class) \
and not IWidget.implementedBy(widget_class):
raise TypeError(
'widget_class must implement IWidget or IFieldWidget')
widgets[field_name] = ParameterizedWidget(widget_class, **kw)
return widgets
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)
def __call__(self, field, request):
__traceback_info__ = ('{0}, processing:\n'
'- field "{1}"\n'
'- widget: {2}\n'
'- params: {3}\n'.format(
self.__class__.__name__, field.__name__,
repr(self.widget_factory), self.params))
if isinstance(self.widget_factory, six.string_types):
__traceback_info__ += '- resolving dotted name\n'
self.widget_factory = resolveDottedName(self.widget_factory)
if self.widget_factory is None:
# use default widget factory for this field type
__traceback_info__ += '- using default widget factory\n'
widget = getMultiAdapter((field, request), IFieldWidget)
elif IWidget.implementedBy(self.widget_factory):
__traceback_info__ += '- calling factory, then wrapping with ' \
'FieldWidget\n'
widget = FieldWidget(field, self.widget_factory(request))
elif IFieldWidget.implementedBy(self.widget_factory):
__traceback_info__ += '- calling factory\n'
widget = self.widget_factory(field, request)
for k, v in self.params.items():
setattr(widget, k, v)
return widget
def testCaptchaWidgetInterface(self):
self.assertEqual(IFieldWidget.implementedBy(CaptchaWidgetFactory), True)
