Source code for pyams_content.reference

#
# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#

__docformat__ = 'restructuredtext'


# import standard library
from persistent import Persistent

# import interfaces
from pyams_content.reference.interfaces import IReferenceManager, IReferenceTable, IReferenceInfo
from pyams_i18n.interfaces import II18nManager
from zope.component.interfaces import ISite
from zope.lifecycleevent import IObjectAddedEvent

# import packages
from pyams_utils.traversing import get_parent
from pyramid.events import subscriber
from zope.container.contained import Contained
from zope.container.folder import Folder
from zope.interface import implementer
from zope.schema.fieldproperty import FieldProperty


@implementer(IReferenceManager)
class ReferencesManager(Folder):
    """References tables container"""

    title = FieldProperty(IReferenceManager['title'])
    short_name = FieldProperty(IReferenceManager['short_name'])


@subscriber(IObjectAddedEvent, context_selector=IReferenceManager)
def handle_added_references_manager(event):
    """Handle new references manager"""
    site = get_parent(event.object, ISite)
    registry = site.getSiteManager()
    if registry is not None:
        registry.registerUtility(event.object, IReferenceManager)


@implementer(IReferenceTable, II18nManager)
class ReferenceTable(Folder):
    """References table"""

    title = FieldProperty(IReferenceTable['title'])
    short_name = FieldProperty(IReferenceTable['short_name'])

    languages = FieldProperty(II18nManager['languages'])


@implementer(IReferenceInfo)
class ReferenceInfo(Persistent, Contained):
    """Reference record"""

    title = FieldProperty(IReferenceInfo['title'])
    short_name = FieldProperty(IReferenceInfo['short_name'])