admin.py 文件源码

def response_add(self, request, obj, post_url_continue=None):
        '''
        This just modifies the normal ModelAdmin process in order to
        pass capacity and room options for the added Location along with
        the location's name and ID.
        '''

        IS_POPUP_VAR = '_popup'
        TO_FIELD_VAR = '_to_field'

        if IS_POPUP_VAR in request.POST:
            to_field = request.POST.get(TO_FIELD_VAR)
            if to_field:
                attr = str(to_field)
            else:
                attr = obj._meta.pk.attname
            value = obj.serializable_value(attr)
            popup_response_data = json.dumps({
                'value': six.text_type(value),
                'obj': six.text_type(obj),
                # Add this extra data
                'defaultCapacity': obj.defaultCapacity,
                'roomOptions': json.dumps([{'id': x.id, 'name': x.name, 'defaultCapacity': x.defaultCapacity} for x in obj.room_set.all()]),
            })

            # Return a modified template
            return SimpleTemplateResponse('core/admin/location_popup_response.html', {
                'popup_response_data': popup_response_data,
            })

        # Otherwise just use the standard ModelAdmin method
        return super(LocationAdmin,self).response_add(request, obj, post_url_continue)