#!/usr/bin/env python
# -*- coding: UTF-8 -*-

# GTKacl is a final grade calculator based on the rules most
# professors at Universidade Federal Fluminense use.
# It is based on the JCalculator program writen in Java by
# Marcus José
# Copyright (C) 2007 Flávio Amieiro <amieiro.flavio@gmail.com>
#
# 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 dated June, 1991.
#
# 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 Library 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/>.
#
# If you find any bugs or have any suggestions email: amieiro.flavio@gmail.com

__author__ = "Flávio Amieiro"
__version__ = "1.0"

try:
	import pygtk
	pygtk.require("2.0")
except:
	pass

try:
	import gtk
	import gtk.glade
except:
	sys.exit(1)

class GTKalc:
	def __init__(self):
		
		self.gladefile = "gtkalc.glade"
		self.wTree = gtk.glade.XML(self.gladefile)
		
		dic = {"on_calcular_clicked":self.calcular,
				"on_limpar_clicked":self.limpar,
				"on_GTKalc_destroy":gtk.main_quit}
		self.wTree.signal_autoconnect(dic)
		
		self.enP1 = self.wTree.get_widget("enP1")
		self.enP2 = self.wTree.get_widget("enP2")
		self.enP3 = self.wTree.get_widget("enP3")
		self.enResultado = self.wTree.get_widget("enResultado")
	
	def calcular(self, widget):
		"""calcula a média final"""
		self.p1 = self.enP1.get_text()
		self.p2 = self.enP2.get_text()
		self.p3 = self.enP3.get_text()
		res = (float(self.p1)*2 + float(self.p2)*2 + float(self.p3)*3) / 7
		self.resultado = self.enResultado.set_text(str(res)[:4])
		print res

	def limpar(self, widget):
		"""limpa todos os campos"""
		self.enP1.set_text("")
		self.enP2.set_text("")
		self.enP3.set_text("")
		self.enResultado.set_text("")
		print "limpo!"

if __name__ == "__main__":
	GTKalc = GTKalc()
	gtk.main()