~azzar1/unity/add-show-desktop-key

# IVLE - Informatics Virtual Learning Environment

# Copyright (C) 2007-2009 The University of Melbourne

#

# 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

class UsersBreadcrumb(object):

    @property

    def url(self):

        return '/users'

    @property

    def text(self):

        return 'Users'

class UserBreadcrumb(object):

    def __init__(self, req, context):

        self.req = req

        self.context = context

    @property

    def url(self):

        return self.req.publisher.generate(self.context)

    @property

    def text(self):

        perms = self.context.get_permissions(self.req.user, self.req.config)

        # Show nickname iff current user has permission to view this user

        # (Else, show just the login name)

        if 'view' in perms:

            return self.context.nick

        else:

            return self.context.login

    @property

    def extra_breadcrumbs_before(self):

        return [UsersBreadcrumb()]

class SubjectsBreadcrumb(object):

    @property

    def url(self):

        return '/subjects'

    @property

    def text(self):

        return 'Subjects'

class SubjectBreadcrumb(object):

    def __init__(self, req, context):

        self.req = req

        self.context = context

    @property

    def url(self):

        return self.req.publisher.generate(self.context)

    @property

    def text(self):

        return self.context.name

    @property

    def extra_breadcrumbs_before(self):

        return [SubjectsBreadcrumb()]

class OfferingBreadcrumb(object):

    def __init__(self, req, context):

        self.req = req

        self.context = context

    @property

    def url(self):

        return self.req.publisher.generate(self.context)

    @property

    def text(self):

        return '%s semester %s' % (self.context.semester.year,

                                   self.context.semester.semester)

class ProjectsBreadcrumb(object):

    """Static 'Projects' breadcrumb to precede ProjectBreadcrumb.

    context must be a ProjectSet.

    """

    def __init__(self, req, context):

        self.req = req

        self.context = context

    @property

    def url(self):

        return self.req.publisher.generate(self.context.offering, None,

                                           '+projects')

    @property

    def text(self):

        return 'Projects'

class ProjectBreadcrumb(object):

    def __init__(self, req, context):

        self.req = req

        self.context = context

    @property

    def url(self):

        return self.req.publisher.generate(self.context)

    @property

    def text(self):

        return self.context.name

    @property

    def extra_breadcrumbs_before(self):

        return [ProjectsBreadcrumb(self.req, self.context.project_set)]

class EnrolmentsBreadcrumb(object):

    """Static 'Enrolments' breadcrumb to precede EnrolmentBreadcrumb."""

    def __init__(self, req, context):

        self.req = req

        self.context = context

    @property

    def url(self):

        return self.req.publisher.generate(self.context, None, '+enrolments')

    @property

    def text(self):

        return 'Enrolments'

class EnrolmentBreadcrumb(object):

    def __init__(self, req, context):

        self.req = req

        self.context = context

    @property

    def text(self):

        return self.context.user.fullname

    @property

    def extra_breadcrumbs_before(self):

        return [EnrolmentsBreadcrumb(self.req, self.context.offering)]