def __init(self, field, request, params, model, model_admin, field_path):
# 首先执行父类的__init__()
super().__init__(field, request, params, model, model_admin, field_path)
# 重新d定义self.lookup_choices的值，这个值在默认情况下（也就是在父类中）查询所有的数据。根据owner过滤
self.lookup_choices = Category.objects.filter(owner=request.user).value_list('id', 'name')
# 把定义的过滤器注册到过滤器管理器中，并且设置优先权，这样才会在页面加载时使用我们定义的这个过滤器
manager.register(CategoryOwnerFilter, take_priority=True)
return super(TagAdmin, self).save_model(request, obj, form, change)
class CategoryOwnerFilter(RelatedFieldListFilter):
@classmethod
def test(cls, field, request, params, model, admin_view, field_path):
return field.name == 'category'
def __init__(self, field, request, params, model, model_admin, field_path):
super().__init__(field, request, params, model, model_admin,
field_path)
self.lookup_choices = Category.objects.filter(
owner=request.user).values_list('id', 'name')
manager.register(CategoryOwnerFilter, take_priority=True)
# title = '分类过滤器'
# parameter_name = 'owner_category'
#
# def lookups(self, request, model_admin):
# return Category.objects.filter(owner=request.user).values_list('id','name')
#
# def queryset(self, request, queryset):
# category_id = self.value()
# if category_id:
# return queryset.filter(category_id=self.value())
# return queryset
@xadmin.sites.register(Post)
field_path, field_order_by, field_limit, sort_key,
cache_config)
queryset = self.admin_view.queryset().exclude(
**{
"%s__isnull" % field_path: True
}).values_list(field_path,
flat=True).order_by(field_path).distinct()
for it in queryset:
print(it)
self.lookup_choices = [
str(it) for it in queryset.values_list('tag__name', flat=True)
if str(it).strip() != ""
]
manager.register(TagOwnerFilter, take_priority=True)
@xadmin.sites.register(Post)
class PostAdmin(BaseOwnerAdmin):
form = PostAdminForm
list_display = [
'title',
'category',
'tag',
'status',
'created_time',
'owner',
'operator',
'is_top',
]
class CategoryAuthorFilter(RelatedFieldListFilter):
""" 自定义过滤器只展示当前用户分类 """
@classmethod
def test(cls, field, request, params, model, admin_view, field_path):
return field.name == 'category'
def __init__(self, field, request, params, model, model_admin, field_path):
super(CategoryAuthorFilter,
self).__init__(field, request, params, model, model_admin,
field_path)
self.lookup_choices = Category.objects.filter(
author=request.user).values_list('id', 'name')
manager.register(CategoryAuthorFilter, take_priority=True)
class PostAdmin(BaseOwnerAdmin):
form = PostAdminForm
# <class 'article.admin.PostAdmin'>: (admin.E109) The value of 'list_display[3]' must not be a ManyToManyField.
# list_display 不能包含ManyToMany字段
list_display = [
'title', 'author', 'category', 'summary', 'pv', 'uv', 'created_time',
'operator'
]
list_filter = ['category']
list_display_links = [
'title',
for url in values:
yield {
'selected': url == self.lookup_exact_val,
'query_string': self.query_string({self.lookup_exact_name: url}),
'display': url,
}
def do_filte(self, queryset):
if 'url__exact' in self.used_params:
visit_page = self.used_params['url__exact'].strip()
if visit_page == '非/':
return queryset.exclude(url=' / ')
else:
return queryset
return queryset.filter(**self.used_params)
manager.register(UrlFilter, take_priority=True)
class ArticleAdmin(object):
list_display = ['id', 'cat', 'tag', 'titles', 'desc',
'icon_url', 'view_count', 'event_date']
list_display_links = ['id']
def icon_url(self, obj):
return '<img src="%s" height=50/>' % obj.icon.url
icon_url.allow_tags = True
icon_url.short_description = '缩略图'
def titles(self, obj):
return """
class PostAdmin(BaseOwnerModelAdmin):
form = PostAdminForm
list_display = ('title', 'status', 'category', 'owner', 'created_time',
'operator')
list_display_links = []
form_layout = (Fieldset(
'基础信息',
Row('title', 'category'),
'status',
'tag',
), Fieldset('内容信息', 'desc', 'is_md', 'content_ck', 'content_md',
'content'))
# admin 过滤器
# class PostOwnerFilter(SimpleListFilter):
# title = '分类'
# parameter_name = 'owner_category'
# def lookups(self, request, model_admin):
# return Category.objects.filter(owner=request.user).values_list('id','name')
#
# def queryset(self, request, queryset):
# if self.value():
# return queryset.filter(category_id=self.value())
# return queryset
# list_filter = [PostOwnerFilter,]
# xadmin过滤器
class CategoryOwnerFilter(RelatedFieldListFilter):
@classmethod
def test(cls, field, request, params, model, admin_view, field_path):
return field.name == 'category'
def __init__(self, field, request, params, model, mode_admin,
field_path):
super().__init__(field, request, params, model, mode_admin,
field_path)
self.lookup_choices = Category.objects.filter(
owner=request.user).values_list('id', 'name')
manager.register(CategoryOwnerFilter, take_priority=True)
# xadmin的过滤字段的写法，此处只写过滤器过滤的字段名，而不是过滤器名
list_filter = ['category']
search_fields = ['title', 'category__name']
actions_on_top = True
actions_on_bottom = True
save_on_top = True
fields = (
'category',
'title',
'desc',
'status',
'is_md',
'content',
'tag',
'created_time',
)
# xadmin 的编写方法 和 admin中的fieldset 的区别
form_layout = (Fieldset(
'基础信息',
Row('title', 'category'),
'status',
'tag',
), Fieldset(
'内容信息',
'desc',
'is_md',
'content',
))
# 配置静态资源（兼容admin和xadmin）
# @property
# def media(self):
# media=super().media
# media.add_js(['the path of the js file',])
# media.add_css({'all':('the path of css file',)})
# return media
# filter_horizontal = ('tag',)
def operator(self, obj):
if obj.id:
return format_html(
'<a href={}>编辑</a>',
# 法一
# reverse('xadmin:main_post_change',args=(obj.id,))
# xadmin 中更友好的方法
self.model_admin_url('change', obj.id))
return None
operator.short_description = '操作'
# title = "分类过滤器"
# parameter_name = 'owner_category' # 查询时url参数的名字
#
# def lookups(self, request, model_admin):
# # 返回要展示的内容和查询用的id，url传的参数
# return Category.objects.filter(owner=request.user).values_list('id', 'name')
#
# def queryset(self, request, queryset):
# # 根据url query 的内容返回列表页数据
# category_id = self.value() # ？owner_category=1
# if category_id:
# return queryset.filter(category_id=self.value())
# return queryset
# xadmin 通过对字段名的检测来动态创建对应的过滤器
class CategoryOwnerFilter(RelatedFieldListFilter):
"""自定义过滤器只展示当前用户分类"""
@classmethod
def test(cls, field, request, params, model, admin_view, field_path):
"""确认字段是否需要被当前的过滤器处理"""
return field.name == 'category'
def __init__(self, field, request, params, model, admin_view, field_path):
super().__init__(field, request, params, model, admin_view, field_path)
# 重新获取lookup_choices 根据owner过滤
self.lookup_choices = Category.objects.filter(owner=request.user).values_list('id', 'name')
manager.register(CategoryOwnerFilter, take_priority=True) # 注册，并设置优先权
