def post(self, *args, **kwargs):
"""
This method handles POST requests.
The wizard will render either the current step (if form validation
wasn't successful), the next step (if the current step was stored
successful) or the done view (if no more steps are available)
"""
self.ensure_form_list()
# Look for a wizard_goto_step element in the posted data which
# contains a valid step name. If one was found, render the requested
# form. (This makes stepping back a lot easier).
wizard_goto_step = self.request.POST.get('wizard_goto_step', None)
if wizard_goto_step and wizard_goto_step in self.get_form_list():
return self.render_goto_step(wizard_goto_step)
# Check if form was refreshed
management_form = ManagementForm(self.request.POST, prefix=self.prefix)
if not management_form.is_valid():
raise ValidationError(
_('ManagementForm data is missing or has been tampered.'),
code='missing_management_form',
)
form_current_step = management_form.cleaned_data['current_step']
if (form_current_step != self.steps.current
and self.storage.current_step is not None):
# form refreshed, change current step
self.storage.current_step = form_current_step
# get the form for the current step
forms = self.get_forms(data=self.request.POST,
files=self.request.FILES)
# and try to validate
all_valid = True
for form in forms:
if not form.is_valid():
all_valid = False
if all_valid:
# if the form is valid, store the cleaned data and files.
self.storage.set_step_data(self.steps.current,
self.process_step(form))
self.storage.set_step_files(self.steps.current,
self.process_step_files(form))
# check if the current step is the last step
if self.steps.current == self.steps.last:
# no more steps, render done view
return self.render_done(form, **kwargs)
else:
# proceed to the next step
return self.render_next_step(form)
return self.render(forms)
def post(self, *args, **kwargs):
"""
This method handles POST requests.
The wizard will render either the current step (if form validation
wasn't successful), the next step (if the current step was stored
successful) or the done view (if no more steps are available)
"""
self.ensure_form_list()
# Look for a wizard_goto_step element in the posted data which
# contains a valid step name. If one was found, render the requested
# form. (This makes stepping back a lot easier).
wizard_goto_step = self.request.POST.get('wizard_goto_step', None)
if wizard_goto_step and wizard_goto_step in self.get_form_list():
return self.render_goto_step(wizard_goto_step)
# Check if form was refreshed
management_form = ManagementForm(self.request.POST, prefix=self.prefix)
if not management_form.is_valid():
raise ValidationError(
_('ManagementForm data is missing or has been tampered.'),
code='missing_management_form',
)
form_current_step = management_form.cleaned_data['current_step']
if (form_current_step != self.steps.current and
self.storage.current_step is not None):
# form refreshed, change current step
self.storage.current_step = form_current_step
# get the form for the current step
forms = self.get_forms(data=self.request.POST, files=self.request.FILES)
# and try to validate
all_valid = True
for form in forms:
if not form.is_valid():
all_valid = False
if all_valid:
# if the form is valid, store the cleaned data and files.
self.storage.set_step_data(self.steps.current, self.process_step(form))
self.storage.set_step_files(self.steps.current, self.process_step_files(form))
# check if the current step is the last step
if self.steps.current == self.steps.last:
# no more steps, render done view
return self.render_done(form, **kwargs)
else:
# proceed to the next step
return self.render_next_step(form)
return self.render(forms)
def get_context_data(self, forms, **kwargs):
"""
Returns the template context for a step. You can overwrite this method
to add more data for all or some steps. This method returns a
dictionary containing the rendered form step. Available template
context variables are:
* all extra data stored in the storage backend
* `wizard` - a dictionary representation of the wizard instance
Example:
.. code-block:: python
class MyWizard(WizardView):
def get_context_data(self, form, **kwargs):
context = super(MyWizard, self).get_context_data(form=form, **kwargs)
if self.steps.current == 'my_step_name':
context.update({'another_var': True})
return context
"""
if 'view' not in kwargs:
kwargs['view'] = self
context = kwargs
context.update(self.storage.extra_data)
if self.cleaned_data_in_context:
context.update({'cleaned_data': self.get_all_cleaned_data_dict()})
context['wizard'] = {
'forms':
forms,
'steps':
self.steps,
'management_form':
ManagementForm(prefix=self.prefix,
initial={
'current_step': self.steps.current,
}),
}
return context