[luishenrique]

Uma simples agenda:

#!/usr/bin/env python
# -*- coding: ISO-8859-1 -*-
# agenda.py

from Tkinter import *
from Dialog import Dialog
import shelve

class MainFrame(Frame):
	def __init__(self, parent=None):
		Frame.__init__(self, parent)
		self.grid()
		self.createWidgets()
		self.master.title("Agenda")

	def createWidgets(self):
		self.makeScreen()
		self.makeToolBar()

	def makeScreen(self):
		self.nome = StringVar()
		self.endereco = StringVar()
		self.telefone = StringVar()

		Label(self, text="Nome:").grid(row=1, sticky=W)
		Label(self, text="Endereço:").grid(row=2, sticky=W)
		Label(self, text="Telefone:").grid(row=3, sticky=W)

		Entry(self, textvariable=self.nome).grid( \
			  row=1, column=1, sticky=W+E)
		Entry(self, textvariable=self.endereco).grid( \
			  row=2, column=1, sticky=W+E)
		Entry(self, textvariable=self.telefone).grid( \
			  row=3, column=1, sticky=W+E)

	def makeToolBar(self):
		toolbar = Frame(self)
		toolbar.grid(row=4, columnspan=2)

		Button(toolbar, text="Adicionar", \
				 command=self.adicionar).grid(row=0,column=0)
		Button(toolbar, text="Gravar", \
				 command=self.gravar).grid(row=0,column=1)
		Button(toolbar, text="Remover", \
				 command=self.remover).grid(row=0,column=2)
		Button(toolbar, text="Procurar", \
				 command=self.procurar).grid(row=0,column=3)
		Button(toolbar, text="Listar", \
				 command=self.listar).grid(row=0,column=4)
		Button(toolbar, text="Sair", \
				 command=self.sair).grid(row=0,column=5)

	def adicionar(self):
		nome = self.nome.get()
		if not len(nome):
			Dialog(self, title="Erro!", text="Nome inválido", \
						 bitmap='error', default=0, strings=('OK',))
			return

		if self.db.has_key(nome):
			Dialog(self, title="Erro!", text="Nome já cadastrado", \
						 bitmap='error', default=0, strings=('OK',))
			return

		self.db[nome] = (self.endereco.get(), self.telefone.get())
		self.limpaCampos()

	def gravar(self):
		nome = self.nome.get()
		if not len(nome):
			Dialog(self, title="Erro!", text="Nome inválido",
						 bitmap='error', default=0, strings=('OK',))
			return

		if not self.db.has_key(nome):
			Dialog(self, title="Erro!", \
						 text="Nome inexistente, use o botão adicionar", \
						 bitmap='error', default=0, strings=('OK',))
			return

		self.db[nome] = (self.endereco.get(), self.telefone.get())
		self.limpaCampos()

	def limpaCampos(self):
		self.nome.set("")
		self.telefone.set("")
		self.endereco.set("")

	def procurar(self):
		nome = self.nome.get()
		if not len(nome):
			Dialog(self, title="Erro!", text="Nome inválido", \
						 bitmap='error', default=0, strings=('OK',))
			return

		if not self.db.has_key(nome):
			Dialog(self, title="Erro!", text="Nome não encontrado", \
						 bitmap='error', default=0, strings=('OK',))
			return

		self.telefone.set(self.db.get(nome, "")[0])
		self.endereco.set(self.db.get(nome, "")[1])

	def remover(self):
		nome = self.nome.get()
		if not len(nome):
			Dialog(self, title="Erro!", text="Nome inválido", \
						 bitmap='error', default=0, strings=('OK',))
			return

		if not self.db.has_key(nome):
			Dialog(self, title="Erro!", text="Nome não encontrado", \
						 bitmap='error', default=0, strings=('OK',))
			return

		self.telefone.set(self.db.get(nome, "")[0])
		self.endereco.set(self.db.get(nome, "")[1])

		resposta = Dialog(self, title="Confirmação", \
				   text="Deseja remover?", \
				   bitmap='question', default=1, strings=('Sim', 'Não'))
		if resposta.num == 0:
			del self.db[nome]
			self.limpaCampos()

	def listar(self):
		print "%-30s | %-20s | %-10s" % ("Nome", "Endereço", "Telefone")
		print "%-30s-+-%-20s-+-%-10s" % ("-" * 30, "-" * 20, "-" * 10)
		for k in self.db.keys():
			print "%-30s | %-20s | %-10s" % (k, self.db[k][0], \
				  self.db[k][1])
		print

	def sair(self):
		resposta = Dialog(self, title="Confirmação", \
								text="Tem certeza que deseja sair?", \
								bitmap='question', default=1, \
								strings=('Sim', 'Não'))
		if resposta.num == 0: self.quit()

	def setDB(self, db):
		self.db = db

def main():
	db = shelve.open("banco.db")
	frm = MainFrame()
	frm.setDB(db)
	frm.mainloop()
	print "saindo..."
	db.close()

if __name__ == '__main__':
	main()

[luishenrique]

Screenshots que tirei: