def fixAjaxSelectWidgetDisplayMode(event):
if (isinstance(event.widget, AjaxSelectWidget) and
event.widget.mode == DISPLAY_MODE and event.widget.vocabulary):
# Sanity check
field = getattr(event.widget, 'field', None)
if ICollection.providedBy(field):
field = field.value_type
if field is None or not getattr(field, 'vocabularyName', None):
# Field doesn't know its vocabulary and SelectWidget cannot be used
return
# This is crazy! AjaxSelectWidget is based on select widget and
# therefore has completely wrong display mode; Here we replace
# the widget with SelectWidget, but is it really this hard?
tmp = FieldWidget(
event.widget.field,
SelectWidget(event.widget.request),
)
# Do what they do in z3c.form.field update
tmp.name = event.widget.name
tmp.id = event.widget.id
tmp.context = event.widget.context
tmp.form = event.widget.form
alsoProvides(tmp, IContextAware, IFormAware)
tmp.ignoreContext = event.widget.ignoreContext
tmp.ignoreRequest = event.widget.ignoreRequest
tmp.showDefault = event.widget.showDefault
tmp.mode = event.widget.mode
event.widget.__class__ = SelectWidget
event.widget.__dict__ = tmp.__dict__
event.widget.update()
