So, for my example, I tried your suggestion. I defined a widget in
models/widgets.py:
def units_widget(field,value,food_id):
...
and then in the controller, I set the widget with:
db.ate.units.widget = units_widget(food_id)
But here I am not passing field and value so I get an error. What
would be the proper way to call the widget constructor?
Avik
On Mar 27, 12:02 am, mdipierro <mdipie...@cs.depaul.edu> wrote:
> in the controller you can do
>
> db.table.field.widget = SomeWidgetConstructor(args)
>
> Not sure if this is what you are asking.
>
> On 26 Mar, 18:26, Avik Basu <avikb...@gmail.com> wrote:
>
>
>
> > Is there a way to pass arguments to a field's widget from the
> > controller? For example:
>
> > db.define_table("food", Field("name", "string'"))
>
> > db.define_table("units",
> > Field("food_id", db.food),
> > Field("name", "string")
> > )
>
> > db.define_table("ate",
> > Field("food_id", db.food),
> > Field("quantity", "double"),
> > Field("units", "string", widget=units_widget),
> > )
>
> > In an update form for "ate", I would like to create a dropdown box of
> > units that are associated with a given food_id. I realize could not
> > be set in the db.py since the food id would be unknown in that scope,
> > however the action in the controller would have access to the food id,
> > but I would like to be able to pass that somehow to the widget.
>
> > Thanks,
> > Avik
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