Show the values in dropdown in reverse order in Django Forms

Abdul Jabbar 0
Viewed 21
class FineForm(forms.ModelForm):
    class Meta:
        model = Fine
        fields = ['student', 'fine']

        widgets = {
            'student': forms.Select(attrs={'class': 'form-control'}),
            'fine': forms.TextInput(attrs={'class': 'form-control'}),
         }

I have this Django form. The student field is a foreign key. I want to show the students in reverse order in this form in the template. Help please.

django-forms django-models django
1 Answers

you can always do anything with choices in form.

Easy, but not the best way:

class FineForm(forms.ModelForm):

    ... # your staff

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        # after super() widget.choices in Select is a list
        self.fields['students'].widget.choices = self.fields['students'].widget.choices[::-1]

I don't like this solution.

You need revert choices only before render, isn't it? That's why you should try other possibilities:

  • add order_by in Student._meta
  • override order_by in self.fields['students'].queryset
  • use own ModelChoiceGenerator for Student.objects
  • use FormFieldCallback in FormFactory
  • define your own Field.widget.render or form.render
  • render field manually in your template
  • e.t.c (i don't know your project)
Maxim Danilov0
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