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"""
This introduces a new page type, which has no content of its own but inherits
all content from the linked page.
"""
from django.db import models
from django.utils.translation import ugettext_lazy as _
from feincms._internal import monkeypatch_property
def register(cls, admin_cls):
cls.add_to_class('symlinked_page', models.ForeignKey('self', blank=True, null=True,
related_name='%(app_label)s_%(class)s_symlinks',
verbose_name=_('symlinked page'),
help_text=_('All content is inherited from this page if given.')))
@monkeypatch_property(cls)
def content(self):
if not hasattr(self, '_content_proxy'):
if self.symlinked_page:
self._content_proxy = self.content_proxy_class(self.symlinked_page)
else:
self._content_proxy = self.content_proxy_class(self)
return self._content_proxy
admin_cls.raw_id_fields.append('symlinked_page')
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