FormWizard accessing previous fields data
Hi all, say i have a FormWizard of 5 steps and at the last step i want to display a summary of the submitted data how do i access the value of a field that was in the form at step 1? example: class Step1(Form): foo = CharField() bar = CharField() So at step 5 i'd like to display the value of Step1.foo. Thanks, Lorenzo --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: FormWizard accessing previous fields data
On Jan 29, 11:31 pm, "lbologn...@gmail.com"
wrote:
> Hi all,
>
> say i have aFormWizardof 5 steps and at the last step i want to
> display a summary of the submitted data how do i access the value of a
> field that was in the form at step 1?
Maybe i didn't express myself well enough.
My problem is accessing previous steps fields in the template.
Something like a classic {{form.foo}} doesn't work because previous
fields are passed on to the next step as raw html and they're all
contained in {{form.previous_fields}}
My wizard is like 5 steps and on step 1 the user is asked firstname
and lastname on a form. At step 5 i want to display a summary of
submitted info like:
Fistname: John
Lastname: Doe
but i can't simply do {{form.firstname}}
Thanks,
Lorenzo
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Re: FormWizard accessing previous fields data
On Feb 1, 3:27 am, "lbologn...@gmail.com"
wrote:
> On Jan 29, 11:31 pm, "lbologn...@gmail.com"
> wrote:
>
> > Hi all,
>
> > say i have aFormWizardof 5 steps and at the last step i want to
> > display a summary of the submitted data how do i access the value of a
> > field that was in the form at step 1?
>
> Maybe i didn't express myself well enough.
>
> My problem is accessing previous steps fields in the template.
> Something like a classic {{form.foo}} doesn't work because previous
> fields are passed on to the next step as raw html and they're all
> contained in {{form.previous_fields}}
>
> My wizard is like 5 steps and on step 1 the user is asked firstname
> and lastname on a form. At step 5 i want to display a summary of
> submitted info like:
>
> Fistname: John
> Lastname: Doe
>
> but i can't simply do {{form.firstname}}
>
> Thanks,
> Lorenzo
I never understood the logic of it either. I also expected to be able
to do something like {{ previous_fields.firstname }}.
regards
Matthew
--
http://wadofstuff.blogspot.com
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Re: FormWizard accessing previous fields data
On Feb 1, 2:38 am, "mattimust...@gmail.com"
wrote:
> I never understood the logic of it either. I also expected to be able
> to do something like {{previous_fields.firstname }}.
Found it!
class EnrollWizard(FormWizard):
def get_template(self, step):
return 'enroll_wizard_%s.html' % step
def process_step(self, request, form, current_step):
if current_step == 3:
form0 = self.get_form(0, request.POST)
form1 = self.get_form(1, request.POST)
form2 = self.get_form(2, request.POST)
context = (dict(form0=form0, form1=form1, form2=form2))
return render_to_response(self.get_template(self.step),
context)
And then in the template to display a summary i play with ifequal
{%ifequal form0.course 2%}
Intensive course
{%endif%}
{%ifequal form0.course 1%}
Standard course
{%endif%}
If anybody has a more elegant solution i'm all ears!
Thanks,
Lorenzo
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Re: FormWizard accessing previous fields data
On Feb 2, 2009, at 23:32, lbologn...@gmail.com wrote:
> On Feb 1, 2:38 am, "mattimust...@gmail.com"
> wrote:
>
>> I never understood the logic of it either. I also expected to be able
>> to do something like {{previous_fields.firstname }}.
>
> Found it!
>
> class EnrollWizard(FormWizard):
>
>def get_template(self, step):
>return 'enroll_wizard_%s.html' % step
>
>def process_step(self, request, form, current_step):
>
>if current_step == 3:
>form0 = self.get_form(0, request.POST)
>form1 = self.get_form(1, request.POST)
>form2 = self.get_form(2, request.POST)
>
>context = (dict(form0=form0, form1=form1, form2=form2))
>
>return render_to_response(self.get_template(self.step),
> context)
>
> And then in the template to display a summary i play with ifequal
>
> {%ifequal form0.course 2%}
> Intensive course
> {%endif%}
>
> {%ifequal form0.course 1%}
> Standard course
> {%endif%}
>
> If anybody has a more elegant solution i'm all ears!
Not sure whether it is more elegant or not, but here goes:
As I understand it, the wizard-class contains an extra_context that
automatically gets handed to the templates. You can modify the
extra_context in the process_step-method, allowing you to add
additional information for each step you go through. Also, as I
understand it, the process_step-method is given a cleaned (correct)
form for the current step, so you can extract information from that
form and put it into the extra_context.
Thus, you could do something like (no changes to get_template):
class EnrollWizard(FormWizard):
def process_step(self, request, form, step):
if step == 0:
self.extra_context['foo'] = form.cleaned_data['foo']
elif step == 1:
self.extra_context['bar'] = form.cleaned_data['bar']
elif step == 3:
self.extra_context['baz'] = form.cleaned_data['baz']
Now, in each template you will have access to more and more additional
information, just like so:
{{ foo }}
{{ bar }}
{{ baz }}
I am not sure exactly how this maps to your example (as I do not fully
understand it), but maybe it could simplify things slightly for you?
Now, if someone could point me to a simple way of combining form
wizards with formsets, my day would be complete... :-)
Cheers,
johan
--
Johan Liseborn
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Re: FormWizard accessing previous fields data
On Feb 3, 12:17 am, Johan Liseborn wrote:
> Thus, you could do something like (no changes to get_template):
>
> class EnrollWizard(FormWizard):
> def process_step(self, request, form, step):
> if step == 0:
> self.extra_context['foo'] = form.cleaned_data['foo']
> elif step == 1:
> self.extra_context['bar'] = form.cleaned_data['bar']
> elif step == 3:
> self.extra_context['baz'] = form.cleaned_data['baz']
>
> Now, in each template you will have access to more and more additional
> information, just like so:
>
> {{ foo }}
Good solution, i like it!
Thanks,
Lorenzo
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