Lista elementos, permitindo sua edição, remoção e criação.
return -1
def show_item(self, s):
print s
+ def item(self):
+ menu = [ "Exit", "Edit", "Delete" ]
+ actions = [ None, "edit", "delete" ]
+ r = self.menu(menu)
+ if r >= 0:
+ return actions[r]
+ return None
+ def list(self, ls):
+ self.show_item("0. Exit")
+ self.show_item("1. Add")
+ i = 2
+ for l in ls:
+ self.show_item(str(i) + ". " + l)
+ i += 1
+ ans = self.get_string("Option: ")
+ try:
+ opt = int(ans)
+ if opt >= i or opt <= 0:
+ return (-1, None)
+ elif opt == 1:
+ return (-1, "add")
+ return (opt - 1, self.item())
+ except Exception, e:
+ return (-1, None)
def form(self, fs):
exit = False
while not exit: