>   atapi.StringField('floor',
>       required = False,
>       vocabulary = ['one','two','three']
>       widget = atapi.SelectionWidget(
>           label = _(u"Floor"),
>           type = 'radio',
>           ),
>       )

> for type=='radio' i get five options, no option is chosen. submitting the
> form w/o touching the widget will result in context.floor == ''::

>   [] one
>   [] two
>   [] three

> for type=='select' i get a pulldown with 'one' pre-selected. submitting the
> form w/o touching this widget results in context.floor=='one'

> To use a pulldown w/o having 'one' set by default i'd need to define

>   vocabulary = ['','one','two','three']

> which would result in a useless selectable value in case we switch back to
> type=='radio'

> Is there a _good_ reason archetype's selectionwidget does not automatically
> add an empty choice if required==False and type=='select'???

> How did other people work around this problem (i'm sure i'm not the first
> one struggling with this)?

> regards, fRiSi

> I'd call it a bug.

> In ATExtensions I work around this by having an optional
> argument to 'getDisplayList' (defined in there) which I
> use as a basis for controlled vocabularies managed in ZMI
> to add the empty entry in front if needed.

> Raphael

>>   atapi.StringField('floor',
>>       required = False,
>>       vocabulary = ['one','two','three']
>>       widget = atapi.SelectionWidget(
>>           label = _(u"Floor"),
>>           type = 'radio',
>>           ),
>>       )

>> for type=='radio' i get five options, no option is chosen. submitting the
>> form w/o touching the widget will result in context.floor == ''::

>>   [] one
>>   [] two
>>   [] three

>> for type=='select' i get a pulldown with 'one' pre-selected. submitting
>> the form w/o touching this widget results in context.floor=='one'

>> To use a pulldown w/o having 'one' set by default i'd need to define

>>   vocabulary = ['','one','two','three']

>> which would result in a useless selectable value in case we switch back
>> to type=='radio'

>> Is there a _good_ reason archetype's selectionwidget does not
>> automatically add an empty choice if required==False and
>> type=='select'???

>> How did other people work around this problem (i'm sure i'm not the first
>> one struggling with this)?

>> regards, fRiSi

> --------------------------------------------------------------------------- ---
> Crystal Reports - New Free Runtime and 30 Day Trial
> Check out the new simplified licensing option that enables
> unlimited royalty-free distribution of the report engine
> for externally facing server and web deployment.
> http://p.sf.net/sfu/businessobjects