使用表单向导创建不同的完成路径 - Django

Question

我在线学习了这个教程，但是当我尝试有条件地在我的表单向导中显示步骤时，我被卡住了。

views.py

def silver_ad_selected(wizard): 
     cleaned_data = wizard.get_cleaned_data_for_step('0') or {} 
     return cleaned_data.get('ad_type') == '2' 

def platinum_ad_selected(wizard): 
     cleaned_data = wizard.get_cleaned_data_for_step('0') or {} 
     return cleaned_data.get('ad_type') == '3' 

class AddWizard(SessionWizardView): 
     def done(self, form_list, **kwargs): 
       return render_to_response('business/done.html', { 
         'form_data': [form.cleaned_data for form in form_list], 
       }) 

urls.py：

add_forms = [AddForm1, AddForm2, AddForm3] 

urlpatterns = patterns('listings.views', 
    url(r'^addWizard/$', AddWizard.as_view(add_forms, 
     condition_dict = { 
       '2': silver_ad_selected or premium_ad_selected 
     })), 
....... 

forms.py

class AddForm1(forms.Form): 
     TYPE_CHOICES = (
       ('1','Basic'), 
       ('2','Silver'), 
       ('3','Platinum') 
     ) 
     ad_type = forms.ChoiceField(choices=TYPE_CHOICES, widget=forms.RadioSelect) 

class AddForm2(forms.Form): 
     category = forms.ModelChoiceField(queryset = Category.objects.all()) 
     city = forms.ModelChoiceField(queryset = City.objects.all()) 
     name = forms.CharField(max_length = 200) 
     address = forms.CharField(max_length = 200) 
     slogan = forms.CharField(max_length=140) 
     phone = forms.CharField(max_length=10) 
     website = forms.URLField() 
     email = forms.EmailField() 

class AddForm3(AddForm2): 
     twitter = forms.CharField(max_length=100) 
     facebook = forms.URLField() 
     description = forms.CharField(widget=forms.Textarea) 

基本上，我只想显示最后一步如果用户选择任一“银”选项或在步骤1中选择的“白金”选项。现在，不管我选择什么，只有前两步/表单显示。

我认为我的silver_ad_selected和platinum_ad_selected方法可能是问题，但我不确定。

感谢

Answer 1

试着改变你的urls.py：

add_forms = [AddForm1, AddForm2, AddForm3] 

urlpatterns = patterns('listings.views', 
    url(r'^addWizard/$', AddWizard.as_view(add_forms, 
     condition_dict = { 
      '2': lambda wizard: wizard.silver_ad_selected() or wizard.premium_ad_selected() 
     })),