1d4363f23c
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3143 fd906abe-77d9-0310-91a1-e0d9ade77398
68 lines
1.8 KiB
Python
68 lines
1.8 KiB
Python
#
|
|
# Copyright (c) 2009 Helmut Merz helmutm@cy55.de
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
|
|
"""
|
|
Basic (sample) implementations for links and link management
|
|
|
|
$Id$
|
|
"""
|
|
|
|
from zope.interface import implements
|
|
|
|
from cybertools.wiki.interfaces import ILink, ILinkManager
|
|
|
|
|
|
class LinkManager(object):
|
|
""" A very basic link manager implementation.
|
|
"""
|
|
|
|
implements(ILinkManager)
|
|
|
|
def __init__(self):
|
|
self.links = {}
|
|
|
|
def registerLink(self, link):
|
|
if link.identifier is None:
|
|
self.generateLinkIdentifier(link)
|
|
if link.identifier not in self.links:
|
|
self.links[link.identifier] = link
|
|
link.manager = self
|
|
|
|
def unregisterLink(self, link):
|
|
if link.identifier in self.links:
|
|
del self.links[link.identifier]
|
|
link.manager = None
|
|
|
|
def generateLinkIdentifier(self, link):
|
|
identifier = 'l%07i' % (max(self.links.keys() or [0]) + 1)
|
|
link.identifier = identifier
|
|
return identifier
|
|
|
|
|
|
class Link(object):
|
|
|
|
implements(ILink)
|
|
|
|
identifier = None
|
|
manager = None
|
|
formatName = None
|
|
|
|
def __init__(self, source, target):
|
|
self.source = source
|
|
self.target = target
|
|
|