TestFiles.py

import sys
from sqlite3 import *
import datetime
from Tkinter import *
import ttk
import tkMessageBox
import Queue

class TestFiles:
    def __init__(self,principale = None):
        self.DefinirVariables()
        f = self.ConstruireWidgets(principale)
        self.PlacerWidgets(f)
        self.AfficherStatut()
        self.DerniereFile = 'fifo'

    def DefinirVariables(self):
        self.TypeDeFile = ''
        self.DerniereFile = ''
        self.StatutPlein = StringVar()
        self.StatutVide = StringVar()
        self.Element = StringVar()
        self.Sortie = StringVar()
        # Definit les files
        self.fifo = Queue.Queue(10)
        self.lifo = Queue.LifoQueue(10)
        self.pq = Queue.PriorityQueue(10)
        self.obj = self.fifo

    def ConstruireWidgets(self,principale):
        # Definit nos  widgets
        fenetre = Frame(principale)
        self.f1 = Frame(fenetre,
            relief = SUNKEN,
            borderwidth=2,
            width = 300,
            padx = 3,
            pady = 3
        )
        self.btnFifo = Button(self.f1,
            text = "FIFO"
        )
        #
        self.btnFifo.bind('<Button-1>',
            lambda e: self.btnMain(1)
        )
        self.btnLifo = Button(self.f1,
            text = "LIFO"
        )
        self.btnLifo.bind('<ButtonRelease-1>',
            lambda e: self.btnMain(2)
        )
        self.btnPriority = Button(self.f1,
            text = "PRIORITY"
        )
        self.btnPriority.bind('<ButtonRelease-1>',
            lambda e: self.btnMain(3)
        )
        self.f2 = Frame(fenetre,
            relief = SUNKEN,
            borderwidth=2,
            width = 300,
            padx = 3,
            pady = 3
        )
        self.txtAdd = Entry(self.f2,
            width=5,
            textvar=self.Element
        )
        self.txtAdd.bind('<Return>',self.AjouterALaFile)
        self.btnAdd = Button(self.f2,
            text='Ajout dans la file',
            padx = 3,
            pady = 3
        )
        self.btnAdd.bind('<ButtonRelease-1>',self.AjouterALaFile)
        self.btnGet = Button(self.f2,
            text='Recupere element suivant',
            padx = 3,
            pady = 3
        )
        self.btnGet.bind('<ButtonRelease-1>',self.RecupererDansFile)
        self.lblEmpty = Label(self.f2,
            textvariable=self.StatutVide,
            relief=FLAT
        )
        self.lblFull = Label(self.f2,
            textvariable=self.StatutPlein,
            relief=FLAT
        )
        self.lblData = Label(self.f2,
            textvariable=self.Sortie,
            relief = FLAT,
            font=("Helvetica", 16),
            padx = 5
        )

        return fenetre

    def PlacerWidgets(self, principale):
        fenetre = principale
        # Place les widgets
        fenetre.grid(column = 0, row = 0)
        l = Label(fenetre,text='',relief=FLAT,width = 15, anchor = 'e').grid(column = 0, row = 0)
        l = Label(fenetre,text='',relief=FLAT,width = 15, anchor = 'e').grid(column = 1, row = 0)
        l = Label(fenetre,text='',relief=FLAT,width = 15, anchor = 'e').grid(column = 2, row = 0)
        l = Label(fenetre,text='',relief=FLAT,width = 15, anchor = 'e').grid(column = 3, row = 0)
        l = Label(fenetre,text='',relief=FLAT,width = 15, anchor = 'e').grid(column = 4, row = 0)

        self.f1.grid(column = 0,row = 1,sticky='nsew',columnspan=5,padx = 5,pady = 5)
        l = Label(self.f1,text='',width = 25,anchor = 'e').grid(column = 0, row = 0)
        self.btnFifo.grid(column = 1,row = 0,padx = 4)
        self.btnLifo.grid(column = 2,row = 0,padx = 4)
        self.btnPriority.grid(column = 3, row = 0, padx = 4)
        self.f2.grid(column = 0,row = 2,sticky='nsew',columnspan=5,padx = 5, pady = 5)
        l = Label(self.f2,text='',width = 15,anchor = 'e').grid(column = 0, row = 0)
        self.txtAdd.grid(column=1,row=0)
        self.btnAdd.grid(column=2,row=0)
        self.btnGet.grid(column=3,row=0)
        self.lblEmpty.grid(column=2,row=1)
        self.lblFull.grid(column=3,row = 1)
        self.lblData.grid(column = 4,row = 0)

    def Quitter(self):
        sys.exit()

    def btnMain(self,p1):
        if p1 == 1:
            self.TypeDeFile = 'FIFO'
            self.obj = self.fifo
            root.title('Tests Files - FIFO')
            #self.btnFifo.config(relief='sunken')
        elif p1 == 2:
            self.TypeDeFile = 'LIFO'
            self.obj = self.lifo
            root.title('Tests Files - LIFO')
        elif p1 == 3:
            self.TypeDeFile = 'PRIORITY'
            self.obj = self.pq
            root.title('Tests Files - Priorite')
        elif p1 == 4:
            self.TypeDeFile = 'RING'
        print self.TypeDeFile
        self.AfficherStatut()

    def AfficherStatut(self):
        # verifie si vide
        if self.obj.empty() == True:
            self.StatutVide.set('Vide')
        else:
            self.StatutVide.set('')
        # verifie si plein
        if self.obj.full() == True:
            self.StatutPlein.set('Plein')
        else:
            self.StatutPlein.set('')

    def AjouterALaFile(self,p1):
        temp = self.Element.get()
        if self.TypeDeFile == 'PRIORITY':
            commapos = temp.find(',')
            if commapos == -1:
                print "ERREUR"
                tkMessageBox.showerror('Demo File',
                    'Un element Priority doit etre au format\r(priorite,valeur)')
            else:
                self.obj.put(self.Element.get())
        elif not self.obj.full():
            self.obj.put(self.Element.get())
        self.Element.set('')
        self.AfficherStatut()

    def RecupererDansFile(self,p1):
        self.Sortie.set('')
        if not self.obj.empty():
            temp = self.obj.get()
            self.Sortie.set("Sorti {0}".format(temp))
        self.AfficherStatut()

if __name__ == '__main__':
    def Centrer(window):
        # recupere largeur et hauteur de l'ecran
        largeurE = window.winfo_screenwidth()
        hauteurE = window.winfo_screenheight()
        # recupere largeur et hauteur de la fenetre
        largeurF = window.winfo_reqwidth()
        hauteurF = window.winfo_reqheight()
        xc = (largeurE-largeurF)/2
        yc = (hauteurE-hauteurF)/2
        window.geometry("%dx%d+%d+%d"%(largeurF,hauteurF,xc,yc))
        window.deiconify()

    root = Tk()
    #root.withdraw()
    root.title('Tests File - FIFO')
    demo = TestFiles(root)
    root.after(3,Centrer,root)
    root.mainloop()