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# 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
"""Utility functions for filesystem views."""
from ivle.webapp.publisher import ROOT
class FileBreadcrumb(object):
def __init__(self, req, pathsegments, revno=None, final=False,suffix=None):
self.req = req
self.pathsegments = pathsegments
self.revno = revno
self.final = final
self.suffix = suffix
@property
def url(self):
url = self.req.publisher.generate(ROOT, None, ('files',) +
self.pathsegments)
if self.revno is not None:
url += '?r=%d' % self.revno
return url
@property
def text(self):
text = self.pathsegments[-1]
if self.final and self.revno is not None:
text += (' (revision %d)' % self.revno)
if self.suffix:
text += ' ' + self.suffix
return text
def make_path_breadcrumbs(req, pathsegments, revno=None, suffix=None):
"""Return breadcrumbs for the segments of the given path."""
crumbs = []
for i in range(1, len(pathsegments)):
crumbs.append(FileBreadcrumb(req, pathsegments[:i], revno))
crumbs.append(FileBreadcrumb(req, pathsegments, revno, True, suffix))
return crumbs
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