~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

"""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