"""
Copyright 2008 Free Software Foundation, Inc.
This file is part of GNU Radio

GNU Radio Companion 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.

GNU Radio Companion 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 Street, Fifth Floor, Boston, MA  02110-1301, USA
"""

import ConfigParser
import os

_platform = None
_config_parser = ConfigParser.ConfigParser()

def file_extension(): return '.'+_platform.get_key()

def load(platform):
    global _platform
    _platform = platform
    #create sections
    _config_parser.add_section('main')
    _config_parser.add_section('files_open')
    try: _config_parser.read(_platform.get_prefs_file())
    except: pass
def save():
    try: _config_parser.write(open(_platform.get_prefs_file(), 'w'))
    except: pass

###########################################################################
# Special methods for specific program functionalities
###########################################################################

def main_window_size(size=None):
    if size is not None:
        _config_parser.set('main', 'main_window_width', size[0])
        _config_parser.set('main', 'main_window_height', size[1])
    else:
        try: return (
            _config_parser.getint('main', 'main_window_width'),
            _config_parser.getint('main', 'main_window_height'),
        )
        except: return (1, 1)

def file_open(file=None):
    if file is not None: _config_parser.set('main', 'file_open', file)
    else:
        try: return _config_parser.get('main', 'file_open')
        except: return ''

def files_open(files=None):
    if files is not None:
        _config_parser.remove_section('files_open') #clear section
        _config_parser.add_section('files_open')
        for i, file in enumerate(files):
            _config_parser.set('files_open', 'file_open_%d'%i, file)
    else:
        files = list()
        i = 0
        while True:
            try: files.append(_config_parser.get('files_open', 'file_open_%d'%i))
            except: return files
            i = i + 1

def reports_window_position(pos=None):
    if pos is not None: _config_parser.set('main', 'reports_window_position', pos)
    else:
        try: return _config_parser.getint('main', 'reports_window_position') or 1 #greater than 0
        except: return -1

def blocks_window_position(pos=None):
    if pos is not None: _config_parser.set('main', 'blocks_window_position', pos)
    else:
        try: return _config_parser.getint('main', 'blocks_window_position') or 1 #greater than 0
        except: return -1

def bool_entry(key, active=None, default=True):
    if active is not None:
        _config_parser.set('main', key, active)
    else:
        try:
            return _config_parser.getboolean('main', key)
        except:
            return default