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| #-*- coding: utf-8 -*-
from tkinter import * ## -------- modif 001 ----------
class Saisie(object):
def __init__(self):
"""Création d'Entry contôlées en quantité selon la demande """
None
def crea(z):
# print(z)
for z in range(-1,z):
name = 'myvars-%d' % (z+1)
v = myvars[name] = StringVar(name=name) #; print(v,name)
v.trace_variable("w", OnValidate)
entry = Entry(root, textvariable =v, name="entry%d" %(z+1))
entry.grid(row=z+1,column =0)
entries.append(entry) ## ajout dans la liste
entry.bind('<Return>', change)
entry.bind('<Tab>', affiche)
entry.bind('<Shift-Tab>', affiche)
entry.bind('<Button-1>', affiche)
entry.bind('<Up>', changeUp)
entry.bind('<Down>', change)
etq='etq-%d' %(z+1)
etq=Label(width=20, text='')
etq.grid(row=z+1,column =1)
etiq.append(etq) ## ajout dans la liste
e1.destroy() #; print('destroy e1')
ee.destroy() #; print('destroy ee')
entries[0].focus_set()
## ----
def OnValidate(name, index, mode):
idx=int(name[7:]); # index du nom de la StringVar
var = myvars.get(name)
if var.get().startswith('.'):
q=root.focus_displayof() ## idem que les 2 lignes ci-dessus
q.insert(0,'0.') ## evite de rechercher l'index
elif var.get().startswith('-.'):
entries[idx].delete(0,END) ## code avec l'index
entries[idx].insert(0,'-0.') ## même résultat
i=0
for c in var.get():
i+=1
if not c.isdigit() and c not in '.-' or (c=='-' and i > 1):
root.event_generate('<BackSpace>')
if i > 1:
try:
s=float(var.get())
except:
root.event_generate('<BackSpace>')
root.event_generate('<End>')
## ----
def change(event):
root.event_generate('<Tab>')
def changeUp(event):
root.event_generate('<Shift-Tab>')
def affiche(event):
w=event.widget # ; print(w,w.get())
ww=str(w)
idx=int(ww[6:]) # ; print('w.idx:',idx)
result=0.0 ; r = 0
for i in range(0,z+1):
# print('z',z)
ri=entries[i].get() #; ri=float(ri) ; print('ri',ri)
if ri != '':
r += float(entries[i].get())
etiq[i].config(text='s/tot = {:8.4f}'.format(r),anchor=E)
else:
etiq[i].config(text='')
etqTotv.config(text='{:10.2f}'.format(r))
def valid(event=None):
global z
try:
z=int(e1.get())-1
if z <= 45: ##; print(z)
Saisie.crea(z)
else: e1.set(0)
except:
e1.delete(0,END)
return 0
if __name__== '__main__':
### fenêtre principale ***
root = Tk()
root.title("** Additionneuse **")
entries = []
myvars = {}
etiq = []
z=100 ## nombre de lignes maxi
eeVar=StringVar()
ee=Entry(root, textvariable=eeVar, width=30)
ee.grid(row=0,column =0)
eeVar.set('Combien de lignes ?')
e1=Entry(root, validate='focusout', vcmd=valid)
e1.grid(row=0,column =1)
e1.bind('<Return>', valid)
e1.focus_set()
etqTotx=Label(width=20, text='Total général:', anchor=E, font='weight -14 bold')
etqTotx.grid(row=z+2,column =0)
etqTotv=Label(font='weight -16 bold', fg='blue',width=20, text='0.0')
etqTotv.grid(row=z+2,column =1)
root.mainloop() |
