forked from openlp/openlp
182 lines
6.7 KiB
Python
182 lines
6.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
|
|
|
|
###############################################################################
|
|
# OpenLP - Open Source Lyrics Projection #
|
|
# --------------------------------------------------------------------------- #
|
|
# Copyright (c) 2008-2010 Raoul Snyman #
|
|
# Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael #
|
|
# Gorven, Scott Guerrieri, Meinert Jordan, Andreas Preikschat, Christian #
|
|
# Richter, Philip Ridout, Maikel Stuivenberg, Martin Thompson, Jon Tibble, #
|
|
# Carsten Tinggaard, Frode Woldsund #
|
|
# --------------------------------------------------------------------------- #
|
|
# 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; version 2 of the License. #
|
|
# #
|
|
# 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., 59 #
|
|
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
|
|
###############################################################################
|
|
"""
|
|
Provide handling for persisting OpenLP settings. OpenLP uses QSettings to
|
|
manage settings persistence. QSettings provides a single API for saving and
|
|
retrieving settings from the application but writes to disk in an OS dependant
|
|
format.
|
|
"""
|
|
import os
|
|
|
|
from PyQt4 import QtCore
|
|
|
|
from openlp.core.utils import AppLocation
|
|
|
|
class SettingsManager(object):
|
|
"""
|
|
Class to control the initial settings for the UI and provide helper
|
|
functions for the loading and saving of application settings.
|
|
"""
|
|
def __init__(self, screen):
|
|
self.screen = screen.current
|
|
self.width = self.screen[u'size'].width()
|
|
self.height = self.screen[u'size'].height()
|
|
self.mainwindow_height = self.height * 0.8
|
|
mainwindow_docbars = self.width / 5
|
|
self.mainwindow_left = 0
|
|
self.mainwindow_right = 0
|
|
if mainwindow_docbars > 300:
|
|
self.mainwindow_left = 300
|
|
self.mainwindow_right = 300
|
|
else:
|
|
self.mainwindow_left = mainwindow_docbars
|
|
self.mainwindow_right = mainwindow_docbars
|
|
self.slidecontroller = (self.width - (
|
|
self.mainwindow_left + self.mainwindow_right) - 100 ) / 2
|
|
self.slidecontroller_image = self.slidecontroller - 50
|
|
|
|
@staticmethod
|
|
def get_last_dir(section, num=None):
|
|
"""
|
|
Read the last directory used for plugin.
|
|
|
|
``section``
|
|
The section of code calling the method. This is used in the
|
|
settings key.
|
|
|
|
``num``
|
|
Defaults to *None*. A further qualifier.
|
|
"""
|
|
if num:
|
|
name = u'last directory %d' % num
|
|
else:
|
|
name = u'last directory'
|
|
last_dir = unicode(QtCore.QSettings().value(
|
|
section + u'/' + name, QtCore.QVariant(u'')).toString())
|
|
return last_dir
|
|
|
|
@staticmethod
|
|
def set_last_dir(section, directory, num=None):
|
|
"""
|
|
Save the last directory used for plugin.
|
|
|
|
``section``
|
|
The section of code calling the method. This is used in the
|
|
settings key.
|
|
|
|
``directory``
|
|
The directory being stored in the settings.
|
|
|
|
``num``
|
|
Defaults to *None*. A further qualifier.
|
|
"""
|
|
if num:
|
|
name = u'last directory %d' % num
|
|
else:
|
|
name = u'last directory'
|
|
QtCore.QSettings().setValue(
|
|
section + u'/' + name, QtCore.QVariant(directory))
|
|
|
|
@staticmethod
|
|
def set_list(section, name, list):
|
|
"""
|
|
Save a list to application settings.
|
|
|
|
``section``
|
|
The section of the settings to store this list.
|
|
|
|
``name``
|
|
The name of the list to save.
|
|
|
|
``list``
|
|
The list of values to save.
|
|
"""
|
|
settings = QtCore.QSettings()
|
|
settings.beginGroup(section)
|
|
old_count = settings.value(
|
|
u'%s count' % name, QtCore.QVariant(0)).toInt()[0]
|
|
new_count = len(list)
|
|
settings.setValue(u'%s count' % name, QtCore.QVariant(new_count))
|
|
for counter in range (0, new_count):
|
|
settings.setValue(
|
|
u'%s %d' % (name, counter), QtCore.QVariant(list[counter-1]))
|
|
if old_count > new_count:
|
|
# Tidy up any old list items
|
|
for counter in range(new_count, old_count):
|
|
settings.remove(u'%s %d' % (name, counter))
|
|
settings.endGroup()
|
|
|
|
@staticmethod
|
|
def load_list(section, name):
|
|
"""
|
|
Load a list from the config file.
|
|
|
|
``section``
|
|
The section of the settings to load the list from.
|
|
|
|
``name``
|
|
The name of the list.
|
|
"""
|
|
settings = QtCore.QSettings()
|
|
settings.beginGroup(section)
|
|
list_count = settings.value(
|
|
u'%s count' % name, QtCore.QVariant(0)).toInt()[0]
|
|
list = []
|
|
if list_count:
|
|
for counter in range(0, list_count):
|
|
item = unicode(
|
|
settings.value(u'%s %d' % (name, counter)).toString())
|
|
if item:
|
|
list.append(item)
|
|
settings.endGroup()
|
|
return list
|
|
|
|
@staticmethod
|
|
def get_files(section=None, extension=None):
|
|
"""
|
|
Get a list of files from the data files path.
|
|
|
|
``section``
|
|
Defaults to *None*. The section of code getting the files - used
|
|
to load from a section's data subdirectory.
|
|
|
|
``extension``
|
|
Defaults to *None*. The extension to search for.
|
|
"""
|
|
path = AppLocation.get_data_path()
|
|
if section:
|
|
path = os.path.join(path, section)
|
|
try:
|
|
files = os.listdir(path)
|
|
except OSError:
|
|
return []
|
|
if extension:
|
|
return [filename for filename in files
|
|
if extension == os.path.splitext(filename)[1]]
|
|
else:
|
|
# no filtering required
|
|
return files
|