def render_revalidation_failure(self, failed_step, form, **kwargs):
"""
When a step fails, we have to redirect the user to the first failing
step.
"""
self.storage.current_step = failed_step
return redirect(self.get_step_url(failed_step))
def get(self, *args, **kwargs):
"""
This renders the form or, if needed, does the http redirects.
"""
step_url = kwargs.get('step', None)
if step_url is None:
if 'reset' in self.request.GET:
self.storage.reset()
self.storage.current_step = self.steps.first
if self.request.GET:
query_string = "?%s" % self.request.GET.urlencode()
else:
query_string = ""
return redirect(
self.get_step_url(self.steps.current) + query_string)
# is the current step the "done" name/view?
elif step_url == self.done_step_name:
last_step = self.steps.last
return self.render_done(
self.get_form(step=last_step,
data=self.storage.get_step_data(last_step),
files=self.storage.get_step_files(last_step)),
**kwargs)
# is the url step name not equal to the step in the storage?
# if yes, change the step in the storage (if name exists)
elif step_url == self.steps.current:
# URL step name and storage step name are equal, render!
return self.render(
self.get_form(
data=self.storage.current_step_data,
files=self.storage.current_step_files,
), **kwargs)
elif step_url in self.get_form_list():
self.storage.current_step = step_url
return self.render(
self.get_form(
data=self.storage.current_step_data,
files=self.storage.current_step_files,
), **kwargs)
# invalid step name, reset to first and redirect.
else:
self.storage.current_step = self.steps.first
return redirect(self.get_step_url(self.steps.first))
def render_done(self, form, **kwargs):
"""
When rendering the done view, we have to redirect first (if the URL
name doesn't fit).
"""
if kwargs.get('step', None) != self.done_step_name:
return redirect(self.get_step_url(self.done_step_name))
return super(NamedUrlWizardView, self).render_done(form, **kwargs)
def render_next_step(self, form, **kwargs):
"""
When using the NamedUrlWizardView, we have to redirect to update the
browser's URL to match the shown step.
"""
next_step = self.get_next_step()
self.storage.current_step = next_step
return redirect(self.get_step_url(next_step))
def post(self, *args, **kwargs):
"""
Do a redirect if user presses the prev. step button. The rest of this
is super'd from WizardView.
"""
wizard_goto_step = self.request.POST.get('wizard_goto_step', None)
if wizard_goto_step and wizard_goto_step in self.get_form_list():
self.storage.current_step = wizard_goto_step
return redirect(self.get_step_url(wizard_goto_step))
return super(NamedUrlWizardView, self).post(*args, **kwargs)