#!/usr/bin/env python

# A script to store and restore the positions of objects and applets in the GNOME panel

# Usage: panel-tool [store|restore]

#
# Copyright (C) 2009 Ben Thorp 
# 
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
# or download from http://www.gnu.org/licenses/gpl.txt

import gconf, sys, os

if (len(sys.argv) != 2):
	print "Error: Incorrect number of parameters"
	print "Usage: panel-tool.py [store|restore]"
	sys.exit(2)

if (sys.argv[1] not in ['store','restore']):
	print "Error: "+sys.argv[1]+" is not a valid parameter"
	print "Usage: panel-tool.py [store|restore]"
	sys.exit(2)

config_file = "panel_tool_config.txt"

# All the applets and objects will be identified by this toplevel_id
panel_name = "top_panel_screen0"

gconf_config = gconf.client_get_default()

# Get all the applets
applets = gconf_config.all_dirs('/apps/panel/applets')

# Get all the objects
objects = gconf_config.all_dirs('/apps/panel/objects')


if (sys.argv[1] == "store"):
	print "Storing data"
	# Store
	output_data = ""
	for applet in applets:
		if (gconf_config.get_string(applet+'/toplevel_id') == panel_name):
			pos = gconf_config.get_int(applet+'/position')
			output_data += applet+","+str(pos)+"\n"
	
	for object in objects:
		if (gconf_config.get_string(object+'/toplevel_id') == panel_name):
			pos = gconf_config.get_int(object+'/position')
			output_data += object+","+str(pos)+"\n"
	
	store = open(config_file, 'w')
	store.write(output_data)
	store.close()
else:
	print "Restoring from file"
	# Restore
	store = open(config_file, 'r').readlines()
	for line in store:
		data = line.split(',')
		current_value = gconf_config.get_int(data[0]+'/position')
		store_value = int(data[1][:-1])
		if (current_value != store_value):
			print "Changing "+data[0]+" from "+str(current_value)+" to "+str(store_value)
			gconf_config.set_int(data[0]+'/position', int(data[1]))
		else:
			print "Ignoring "+data[0]+" - value "+str(current_value)+" = "+str(store_value)

	os.system("gnome-panel --replace &")