def validate_decimal_number(d, i, P, s, S, v, V, W):
if V == 'focusin':
return True
elif V == 'focusout':
return NumbersUtil.is_decimal(P)
# In case of negative number
if S == '-':
return GuiTextValidators.\
__add_minus_to_decimal_number_validator(i, d, s)
# In case of decimal number
if S == '.':
return GuiTextValidators.\
__add_decimal_point_to_decimal_number_validator(P, i)
# In case is empty string
if not P:
return True
if not S.isdigit():
return False
# In case char is isdigit
if i == '0':
if '-' in P:
return False
return True
def test_is_decimal_negative(self, s):
self.assertFalse(NumbersUtil.is_decimal(s))
def test_is_decimal(self, s):
self.assertTrue(NumbersUtil.is_decimal(s))