2011-07-20 124 views
4

我正在創建一個Django應用程序,其中所有模型可以按照用戶設置的順序相互關聯。我使用GenericForeignKeys設置所有這些。踢球者是我需要能夠支持這些類型的關係/管理的多個集合。所以一個對象可以有多個相關對象的集合。Django管理GenericForeignKey部件

有沒有人知道這種情況下的GenericForeignKey小部件?優選地,這將是一個自動完成搜索,填充管理表單,因爲我最終可能擁有大量對象。

這裏是我的應用程序的代碼,以更好地瞭解我的意思。

from django.contrib import admin 
from django.contrib.contenttypes import generic 
from django.contrib.contenttypes.models import ContentType 
from django.db import models 
from django import forms 


# Models 
class Base(models.Model): 
    title = models.CharField(max_length=255) 

    class Meta: 
     abstract = True 

    def __unicode__(self): 
     return self.title 

class Related(Base): 
    """ A generic relationship model for relating resources. 
    """ 
    order = models.IntegerField(blank=True, null=True) 
    limit = models.Q(model = 'Apple') | models.Q(model = 'Orange') | models.Q(model = 'Pear') 

    content_type = models.ForeignKey(ContentType, related_name="related_%(class)s") 
    object_id = models.PositiveIntegerField(db_index=True) 
    object = generic.GenericForeignKey() 

    related_content_type = models.ForeignKey(ContentType, related_name="related_related_%(class)s", limit_choices_to = limit) 
    related_object_id = models.PositiveIntegerField(db_index=True) 
    related_object = generic.GenericForeignKey('related_content_type', 'related_object_id') 

    class Meta: 
     ordering = ('order',) 
     abstract = True 

    def __unicode__(self): 
     return self.object.title 

class FreshFruit(Related): 
    pass 

class OldFruit(Related): 
    pass 

class Apple(Base): 
    pass 

class Orange(Base): 
    pass 

class Pear(Base): 
    pass 

# Admin classes 
class FreshFruitInline(generic.GenericStackedInline): 
    model = FreshFruit 
    extra = 1 
    # Admin classes 

class OldFruitInline(generic.GenericStackedInline): 
    model = OldFruit 
    extra = 1 

class AppleAdmin(admin.ModelAdmin): 
    inlines = [FreshFruitInline, OldFruitInline,] 
admin.site.register(Apple, AppleAdmin) 

class OrangeAdmin(admin.ModelAdmin): 
    inlines = [FreshFruitInline, OldFruitInline,] 
admin.site.register(Orange, OrangeAdmin) 

class PearAdmin(admin.ModelAdmin): 
    inlines = [FreshFruitInline, OldFruitInline,] 
admin.site.register(Pear, PearAdmin) 

我找啊找,發現了多對多的關係做這個小部件,但沒有我的情況。

感謝您花時間看這個。

回答

6

看一看格拉佩利的通用外鍵的小部件,它工作得很好: django-grappelli/generic_2_2

+0

,看起來不錯,但我本來就不是能使用,因爲我使用Django-CMS(我忘了提),但我建立了一些自定義的東西,似乎正在爲我工​​作。感謝您的迴應。 – kayluhb