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# Copyright 2010 Lars Wirzenius
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import ttystatus
class Pathname(ttystatus.Widget):
'''Display a pathname.
If it won't fit completely, truncate from the beginning of the string.
'''
def __init__(self, key):
self._key = key
self.interesting_keys = [key]
self.pathname = ''
self.width = 0
def format(self):
v = self.pathname
if len(v) > self.width:
ellipsis = '...'
if len(ellipsis) < self.width:
v = ellipsis + v[-(self.width - len(ellipsis)):]
else:
v = v[-self.width:]
return v
def update(self, master, width):
self.pathname = master.get(self._key, '')
self.width = width
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