每当我在管理界面中保存模型时,它都会显示通常的“已成功保存的消息”。 但是,我想知道是否可以自定义此消息,因为我想要警告用户关于他刚刚保存的内容以及这些操作的含义。
class PlanInlineFormset(forms.models.BaseInlineFormset):
def clean(self):
### How can I detect the changes?
### (self.changed_data doesn't work because it's an inline)
### and display what he/she just changed at the top AFTER the successful save?
class PlanInline(admin.TabularInline):
model = Plan
formset = PlanInlineFormset
答案 0 :(得分:8)
Django(>版本1.2)使用消息框架来管理消息。您可以使用该界面添加其他消息。这是一个例子:
from django.contrib import messages
class SomeModelAdmin(admin.ModelAdmin):
# your normal ModelAdmin stuff goes here
def save_model(self, request, obj, form, change):
# add an additional message
messages.info(request, "Extra message here.")
super(SomeModelAdmin, self).save_model(request, obj, form, change)
要检测正在保存的对象的更改,您应该覆盖ModelAdmin的save_model method,并将传递方法的对象与当前数据库中的版本进行比较。要在内联的情况下执行此操作,您可以覆盖save_formset method。可能的方法可能看起来像(未经测试的代码):
class SomeModelAdmin(admin.ModelAdmin):
# your normal ModelAdmin stuff goes here
def save_formset(self, request, form, formset, change):
if not change:
formset.save()
else:
instances = formset.save(commit=False)
for instance in instances:
try:
# if you've got multiple types of inlines
# make sure your fetching from the
# appropriate model type here
old_object = SomeOtherModel.get(id=instance.id)
except SomeOtherModel.DoesNotExist:
continue
if instance.field_x != old_object.field_x:
messages.info(request, "Something Changed")
instance.save()
formset.save_m2m()
答案 1 :(得分:1)
如果你正在使用Django 1.2或更新版本,那么消息框架可能会得到答案。