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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
#
# Copyright (c) 2008 - 2012 by Wilbert Berendsen
#
# 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
# See http://www.gnu.org/licenses/ for more information.
"""
Recent files handling.
"""
from __future__ import unicode_literals
import os
from PyQt4.QtCore import QSettings, QUrl
import app
__all__ = ['urls', 'add', 'remove']
_recentfiles = None
# the maximum number of items remembered
MAXLEN = 10
def load():
global _recentfiles
if _recentfiles is not None:
return
_recentfiles = []
for url in QSettings().value("recent_files", []) or []:
if isinstance(url, QUrl):
if os.access(url.toLocalFile(), os.R_OK):
_recentfiles.append(url)
del _recentfiles[MAXLEN:]
app.aboutToQuit.connect(save)
def save():
QSettings().setValue("recent_files", _recentfiles)
def urls():
load()
return _recentfiles
def add(url):
load()
if url in _recentfiles:
_recentfiles.remove(url)
_recentfiles.insert(0, url)
del _recentfiles[MAXLEN:]
def remove(url):
load()
if url in _recentfiles:
_recentfiles.remove(url)
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