root/cpsskins/branches/jmo-perspectives/perspectives/perspective.py

############################################################################
#
# Copyright (c) 2005-2006 Nuxeo and Contributors.
# 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.
#
##############################################################################
"""

$Id$
"""
__docformat__ = "reStructuredText"

from xml.dom.minidom import parseString

from zope.app.publisher.browser import BrowserView
from zope.component import adapts
from zope.component.factory import Factory
from zope.interface import implements, implementedBy

from cpsskins.perspectives.interfaces import IPerspective
from cpsskins.relations.interfaces import IRelatable

class Perspective(object):
    """A perspective

    >>> perspective = Perspective(name=u'cpsskins.perspective')
    >>> perspective
    <Perspective: 'cpsskins.perspective'>

    """
    implements(IPerspective)

    def __init__(self, name=u'', title=u''):
        self.name = name
        self.title = title

    def __repr__(self):
        return "<Perspective: '%s'>" % str(self)

    def __str__(self):
        return self.name

    def __eq__(self, other):
        return str(self) == other

PerspectiveFactory = Factory(Perspective, "Perspective Factory",
                             "Factory that creates Perspectives")

class Relatable(object):
    """This adapter makes perspectives relatable.
    """
    adapts(IPerspective)
    implements(IRelatable)

    def __init__(self, context):
        self.context = context

    def __str__(self):
        return str(self.context)