On Jun 18, 4:33 am, Nikhil Somaru <nsom...@gmail.com> wrote:
> Hi,
>
> Is there a way to reduce the repetition in the following form classes:
>
> class ItemsStep2(ModelForm): #approval
> class Meta:
> model = OrderItem
> fields = ('item', 'quantity_requested', 'quantity_approved')
> widgets = {
> 'quantity_requested': TextInput(attrs={'readonly':'readonly'})
> }
>
> class ItemsStep3(ModelForm): #ship
> class Meta:
> model = OrderItem
> fields = ('item', 'quantity_requested', 'quantity_approved')
> widgets = {
> 'quantity_requested': TextInput(attrs={'readonly':'readonly'}),
> 'quantity_approved': TextInput(attrs={'readonly':'readonly'})
> }
>
> class ItemsStep4(ModelForm): #confirm receipt
> class Meta:
> model = OrderItem
> fields = ('item', 'quantity_requested', 'quantity_approved',
> 'quantity_received')
> widgets = {
> 'quantity_requested': TextInput(attrs={'readonly':'readonly'}),
> 'quantity_approved': TextInput(attrs={'readonly':'readonly'})
> }
>
> class ItemsStep5(ModelForm): #order summary
> class Meta:
> model = OrderItem
> fields = ('item', 'quantity_requested', 'quantity_approved',
> 'quantity_received')
> widgets = {
> 'quantity_requested': TextInput(attrs={'readonly':'readonly'}),
> 'quantity_approved': TextInput(attrs={'readonly':'readonly'}),
> 'quantity_received': TextInput(attrs={'readonly':'readonly'}),
> }
>
> The model that uses these forms has a ForeignKey (Order hasMany OrderItems)
> to an associated model that has a attribute "step" (order_instance.step)
> which determines the class above to use (this code is in views)
>
Nikil
The topic you need to read up on is "dynamic forms". A good starting
point is:
http://www.b-list.org/weblog/2008/nov/09/dynamic-forms/
but you'll be able to search for many other blog posts and Q&A on this
as well...
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