我正在使用django-ajax-selects,这是一个免费提供的 django 应用程序,提供 jquery 自动完成功能。
我已经让它工作了——即它正在自动完成我想要的表单字段。但我有一个问题......我在将合作伙伴对象添加到数据库的 ModelForm 中使用它:
class Skater(models.Model):
name = models.CharField(max_length=64)
surname = models.CharField(max_length=64)
gender = models.CharField(max_length=1, choices=GENDER_CHOICES)
class Partnership(models.Model):
female_partner = models.ForeignKey(Skater, limit_choices_to = {'gender': FEMALE}, related_name='female_partner_set')
male_partner = models.ForeignKey(Skater, limit_choices_to = {'gender': MALE}, related_name='male_partner_set')
我希望用户能够将姓名和姓氏输入到 female_partner 和 male_partner 字段中,即使这样的 Skater 对象不存在并且我希望创建该对象。我该怎么做呢?我无法将代码放入表单的保存方法中,因为该字段不会验证(它不是有效的 Skater)。
编辑1: 添加更多代码......
表格:
class PartnershipAddForm(forms.ModelForm):
female_partner = AutoCompleteSelectField('female_skater',required=True)
male_partner = AutoCompleteSelectField('male_skater',required=True)
class Meta:
model = Partnership
设置.py:
AJAX_LOOKUP_CHANNELS = {
'female_skater' : ('skaters.lookups', 'FemaleLookup'),
'male_skater' : ('skaters.lookups', 'MaleLookup'),
}
lookups.py(除了性别=MALE,MaleLookup 是一样的):
class FemaleLookup(object):
def get_query(self,q,request):
""" return a query set. you also have access to request.user if needed """
return Skater.objects.filter(Q(gender=FEMALE) & (Q(name__istartswith=q) | Q(surname__istartswith=q)))
def format_item(self,skater):
""" simple display of an object when it is displayed in the list of selected objects """
return unicode(skater)
def format_result(self,skater):
""" a more verbose display, used in the search results display. may contain html and multi-lines """
return "%s<br/>" % unicode(skater)
def get_objects(self,ids):
""" given a list of ids, return the objects ordered as you would like them on the admin page.
this is for displaying the currently selected items (in the case of a ManyToMany field)
"""
return Skater.objects.filter(pk__in=ids).order_by('name','surname')