I just ran into this myself, yesterday and found the solution by
perusing the django source code. Your form class (MyClass) will have
had a field called "fields" created by the meta class of the base
form. That field will have a choices field that you can set. In your
setChoice method (which, by the way, I think should take a "self"
parameter if you wish to get at your instance state), you can use the
following to set the choices for your state_txt field:
self.fields['state_txt'].choices = (tuple of allowed choices)
-- Eric
On Sep 30, 1:37 pm, alan <[EMAIL PROTECTED]> wrote:
> I'm having trouble dynamically assigning the choices to a ChoiceField.
>
> My ChoiceField stores an object's state. In the template pulldown for
> this field, I want to restrict the user to only go from stateA to
> StateB; from stateB to stateC, etc. Hence the allowable choices need
> to be a set based on the current state (and also user privilege). How
> do I do this?
>
> For example
> class MyClass(ModelForm)
> state_txt = forms.ChoiceField(choices=setChoice())
> ...
> def setChoice():
> currentState = ???? #how to get the current object's
> state
> if currentState == 'stateA':
> return [('stateB','stateB')]
> elif currentState == 'stateB':
> return [('stateC','stateC')]
> ...
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