from django.contrib import admin
from django.utils.translation import ugettext_lazy as _
from .models import Element
from grappelli.forms import GrappelliSortableHiddenMixin
[dokumenty]class ElementInline(GrappelliSortableHiddenMixin, admin.TabularInline):
'''
Tabular Inline View for Element
'''
model = Element
@admin.register(Element)
[dokumenty]class ElementAdmin(admin.ModelAdmin):
'''
Admin View for Element
'''
list_display = ('name', 'url', 'is_external_url', 'get_children_count')
list_filter = ('created', 'modified')
search_fields = ('name', 'url')
exclude = ('parent', )
inlines = [ElementInline]
def get_queryset(self, *args, **kwargs):
qs = super(ElementAdmin, self).get_queryset(*args, **kwargs)
return qs.filter(parent=None).with_children_count()
def get_children_count(self, obj):
return obj.children_count
get_children_count.short_description = _('Children count')