Demo 2 des widgets Tkinter

#demowidget2f.py (programme complet)
import sys
from Tkinter import *
import ttk
#import tkMessageBox
#import tkFont
#import tkFileDialog

class DemoWidget2:
    #------------------------------------------------------------------
    #
    #------------------------------------------------------------------
    def __init__(self,principale = None):
        self.DefinirVariables()
        f = self.ConstruireWidgets(principale)
        self.PlacerWidgets(f)

    #------------------------------------------------------------------
    #
    #------------------------------------------------------------------
    def DefinirVariables(self):
        self.selectionListeDeroulante1 = StringVar()
        self.valeursC1 = ['Neant','Option 1','Option 2','Option 3']

        self.valeurSelection = StringVar()

        self.valeurSelection2 = StringVar()
        self.boutonEtat = False
        self.valeurBarreProg2 = StringVar()

    def FichierNouveau(self):
        print "Menu - Fichier Nouveau"
    def FichierOuvrir(self):
        print "Menu - Fichier Ouvrir"
    def FichierSauver(self):
        print "Menu -Fichier Sauver"
    def EditionCouper(self):
        print "Menu - Edition Couper"
    def EditionCopier(self):
        print "Menu - Edition Copier"
    def EditionColler(self):
        print "Menu - Edition Coller"
    def AideApropos(self):
        print "Menu - Aide Apropos"

    #------------------------------------------------------------------
    #
    #------------------------------------------------------------------
    def ConstruireWidgets(self,principale):
        fenetre = Frame(principale)
        #==============================================================
        #                        LES MENUS
        #==============================================================
        # Cretion de la barre de menus
        self.barreMenus = Menu(principale)
        # Creation du menu Fichier, et ajout a la barre de menus
        menuFichier = Menu(self.barreMenus, tearoff = 0)
        menuFichier.add_command(label = "Nouveau", command = self.FichierNouveau)
        menuFichier.add_command(label = "Ouvrir", command = self.FichierOuvrir)
        menuFichier.add_command(label = "Sauver", command = self.FichierSauver)
        menuFichier.add_separator()
        menuFichier.add_command(label = "Quitter", command = root.quit)
        self.barreMenus.add_cascade(label = "Fichier", menu = menuFichier)
        # Creation du menu Edition
        menuEdition = Menu(self.barreMenus, tearoff = 0)
        menuEdition.add_command(label = "Couper", command = self.EditionCouper)
        menuEdition.add_command(label = "Copier", command = self.EditionCopier)
        menuEdition.add_command(label = "Coller", command = self.EditionColler)
        self.barreMenus.add_cascade(label = "Edition", menu = menuEdition)
        # Creation du menu Aide
        menuAide = Menu(self.barreMenus, tearoff=0)
        menuAide.add_command(label = "A propos", command = self.AideApropos)
        self.barreMenus.add_cascade(label = "Aide", menu = menuAide)
         # affichage du menu
        principale.config(menu = self.barreMenus)
        #==============================================================
        #                  FIN DES MENUS
        #==============================================================
        self.f1 = Frame(fenetre,
                        relief = SUNKEN,
                        borderwidth = 2,
                        width = 500
                        )
        self.labelListeDeroulante = Label(self.f1, text = "Liste deroulante : ")
        self.listeDeroulante1 = ttk.Combobox(self.f1,
                                  height = "19",
                                  width = 20,
                                  textvariable = self.selectionListeDeroulante1
                                 )
        self.listeDeroulante1['values'] = self.valeursC1
        # associe l'evenement virtuel a une fonction de rappel
        self.listeDeroulante1.bind("<<ComboboxSelected>>",self.testListeDeroulante)
        self.separ = Frame(self.f1,
                          width = 140,
                          height = 2,
                          relief = RIDGE,
                          borderwidth = 2
                          )
        self.labelSelection = Label(self.f1, text = "Selection numerique :")
        self.selection1 = Spinbox(self.f1,
                             from_ = 1.0,
                             to = 10.0,
                             width = 3,
                             textvariable = self.valeurSelection,
                             wrap=True
                             )
        #=======================================
        # Barre de progression
        #=======================================
        self.fBarreProg = Frame(self.f1,
                        relief = SUNKEN,
                        borderwidth = 2
                        )

        self.lbl0 = Label(self.fBarreProg,
                        text = "Barres de progression"
                        )
        self.lbl1 = Label(self.fBarreProg,
                        text = "Indeterminee",
                        anchor = 'e'
                        )
        self.barreProg = ttk.Progressbar(self.fBarreProg,
                        orient = HORIZONTAL,
                        length = 100,
                        mode = 'indeterminate',
                        maximum = 100
                        )
        self.btnptest = Button(self.fBarreProg,
                        text = "Demarrer",
                        command = self.TestBarreProg
                        )
        self.lbl2 = Label(self.fBarreProg,
                        text = "Determinee"
                        )
        self.barreProg2 = ttk.Progressbar(self.fBarreProg,
                        orient = HORIZONTAL,
                        length = 100,
                        mode = 'determinate',
                        variable = self.valeurBarreProg2
                        )
        self.selection2 = Spinbox(self.fBarreProg,
                        from_ = 1.0,
                        to = 100.0,
                        textvariable = self.valeurSelection2,
                        wrap = True,
                        width = 5,
                        command = self.SelectionAction
                        )
        #=======================================
        #              ONGLETS
        #=======================================
        self.fenetreOnglets = Frame(self.f1,
                            relief = SUNKEN,
                            borderwidth = 2,
                            width = 500,
                            height = 300
                            )
        self.onglets = ttk.Notebook(self.fenetreOnglets,
                                     width = 490,
                                     height = 290
                                     )
        self.p1 = Frame(self.onglets)
        self.p2 = Frame(self.onglets)
        self.onglets.add(self.p1,text = 'Page 1')
        self.onglets.add(self.p2,text = 'Page 2')
        self.labelPage1 = Label(self.p1,
                          text = "Voici un texte sur la page 1",
                          padx = 3,
                          pady = 3
                          )

        return fenetre

    #------------------------------------------------------------------
    #
    #------------------------------------------------------------------
    def PlacerWidgets(self,principale):
        fenetre = principale
        fenetre.grid(column = 0, row = 0)

        self.f1.grid(column = 0,row = 0)
        self.labelListeDeroulante.grid(column = 0,row = 2)
        self.listeDeroulante1.grid(column = 1,
                        row = 2,
                        columnspan = 4,
                        pady = 2
                        )
        self.separ.grid(column = 0,
                       row = 3,
                       columnspan = 8,
                       sticky = 'we',
                       padx = 3,
                       pady = 3
                       )
        self.labelSelection.grid(column = 0, row = 4)
        self.selection1.grid(column = 1,
                        row = 4,
                        pady = 2
                        )

        # Barre de progression
        self.fBarreProg.grid(column = 0,
                        row = 5,
                        columnspan = 8,
                        sticky = 'nsew',
                        padx = 3,
                        pady = 3
                        )
        self.lbl0.grid(column = 0, row = 0)
        self.lbl1.grid(column = 0,
                       row = 1,
                       pady = 3
                       )
        self.barreProg.grid(column = 1, row = 1)
        self.btnptest.grid(column = 3, row = 1)
        self.lbl2.grid(column = 0,
                       row = 2,
                       pady = 3
                       )
        self.barreProg2.grid(column = 1, row = 2)
        self.selection2.grid(column = 3, row = 2)
        self.fenetreOnglets.grid(column = 0,
                         row = 6,
                         columnspan = 8,
                         rowspan = 7,
                         sticky = 'nsew'
                         )
        self.onglets.grid(column = 0,
                           row = 0,
                           columnspan = 11,
                           sticky = 'nsew'
                           )
        self.labelPage1.grid(column = 0,row = 0)
        self.labelPage2 = Label(self.p2,
                          text = 'Voici un texte sur la page 2',
                          padx = 3,
                          pady = 3
                          ).grid(
                                 column = 0,
                                 row = 1
                                 )

    def testListeDeroulante(self,p1):
        print self.selectionListeDeroulante1.get()

    def TestBarreProg(self):
        if self.boutonEtat == False:
            self.btnptest.config(text="Arreter")
            self.boutonEtat = True
            self.barreProg.start(10)
        else:
            self.btnptest.config(text="Demarrer")
            self.boutonEtat = False
            self.barreProg.stop()

    def SelectionAction(self):
        v = self.valeurSelection2.get()
        print v
        #self.barreProg2.value = float(v)
        self.valeurBarreProg2.set(v)

if __name__ == '__main__':
    def Center(window):
        # recupere largeur et hauteur de l'ecran
        sw = window.winfo_screenwidth()
        sh = window.winfo_screenheight()
        # recupere largeur et hauteur de la fenetre
        rw = window.winfo_reqwidth()
        rh = window.winfo_reqheight()
        xc = (sw-rw)/2
        yc = (sh-rh)/2
        print "{0}x{1}".format(rw,rh)
        window.geometry("%dx%d+%d+%d"%(rw,rh,xc,yc))
        window.deiconify()

    root = Tk()
    root.title('Demo de plus de widgets')
    demo = DemoWidget2(root)
    root.after(13,Center,root)
    root.mainloop()