admin.py

from django.contrib.admin import site
from treebeard.admin import TreeAdmin
from apps.foldermgr.models import FolderTemplate

site.register(FolderTemplate, TreeAdmin)

models.py

from django.db.models.fields import CharField
from django.utils.translation import ugettext as _
from treebeard.ns_tree import NS_Node


class FolderTemplate(NS_Node):
    name = CharField(_("Name"), max_length=200)

    node_order_by = ['name']

    def __unicode__(self):
        return self.name