WIDGET TKINTER

# -*- coding: cp1252 -*-
from Tkinter import *
from os import getcwd
from tkFileDialog import askdirectory
from time import *

class Parcourir(Frame):
    def __init__(self, master = None, command = None, **kw):
        Frame.__init__(self, master, **kw)

        self.chemin = StringVar()
        self.chemin.set(getcwd())
        
        self.command = command

        self.entree_chemin = Entry(self, text = self.chemin, width = 70)
        self.entree_chemin.grid(row = 1, column = 1, padx = 5, pady = 5)

        self.bouton = Button(self, text = "Parcourir", command = self.parcours)
        self.bouton.grid(row = 1, column = 2, padx = 5, pady = 5)

    def parcours(self):
        chemin = askdirectory()
        if chemin != '':
            self.chemin.set(chemin)
            if self.command != None:
                self.command()

    def get(self):
        return str(self.chemin.get())


class ProgressBar(Canvas):
    def __init__(self, master = None, **kw):
        Canvas.__init__(self, master,**kw)
        self.largeur = float(self.config()["width"][-1])+2
        self.hauteur = float(self.config()["height"][-1])+2
        
        self.valeur = 0
        self.barre = self.create_rectangle(0,0, self.largeur*self.valeur/100.,self.hauteur, fill = "Light Blue")
        self.texte = self.create_text(self.largeur/2. ,self.hauteur/2., text = str(int(self.valeur))+" %")

    def set_value(self, valeur):
        if 0<valeur<=100:
            self.valeur = valeur
            self.coords(self.barre, 0,0, self.largeur*self.valeur/100.,self.hauteur)
            valeur = str(float(valeur))
            self.itemconfig(self.texte, text = str(valeur)[:str(valeur).index('.')+3]+" %")
        else:
            raise ValueError, "0<valeur<=100"


def demo_bar():
    fen_bar = Toplevel(fen)
    fen_bar.grab_set()

    progress = ProgressBar(fen_bar, height = 25)
    progress.grid(row = 1, column = 1, sticky = W+E)


    for i in range(1,101):
        progress.set_value(i)
        fen_bar.update()
        sleep(0.1)
    

def demo_parcours():
    global label_parcours, parcours
    
    fen_parcours = Toplevel(fen)
    fen_parcours.grab_set()

    label_parcours = Label(fen_parcours)
    label_parcours.grid(row = 0, column = 1)

    parcours = Parcourir(fen_parcours, command = modify_label, border = 2, relief = RAISED)
    parcours.grid(row = 1, column = 1)
    modify_label()
    

def modify_label():
    label_parcours.config(text = parcours.get())

if __name__ == '__main__':
    fen = Tk()


    Button(fen, text = "Démo ProgressBar", command = demo_bar).grid(row = 1, column = 1, padx = 5, pady = 5)
    Button(fen, text = "Démo Parcours", command = demo_parcours).grid(row = 2, column = 1, padx = 5, pady = 5)


    fen.mainloop()