class FloatOrEmptyValidator(QValidator):
def __init__(self, parent):
super().__init__(parent)
self.dv = QDoubleValidator(parent)
self.dv.setLocale(QLocale.c())
def validate(self, s, pos):
if len(s) == 0:
return (QValidator.Acceptable, s, pos)
if "," in s:
return (QValidator.Invalid, s, pos)
else:
return self.dv.validate(s, pos)
class FloatOrEmptyValidator(QValidator):
def __init__(self,
parent,
allow_empty=False,
bottom=float("-inf"),
top=float("inf"),
default_text=""):
super().__init__(parent)
self.dv = QDoubleValidator(parent)
self.allow_empty = allow_empty
self.default_text = default_text
self.dv.setLocale(QLocale.c())
self.setBottom(bottom)
self.setTop(top)
def setDefault(self, s):
self.default_text = s
def setBottom(self, b):
self.dv.setBottom(b)
def setTop(self, t):
self.dv.setTop(t)
def fixup(self, p_str):
# = only called at editingFinished so an Orange controlled value can still contain
# invalid, because they are synchronized and every change
# = called before returnPressedHandler
try:
f = float(p_str)
if f > self.dv.top():
return str(self.dv.top())
if f < self.dv.bottom():
return str(self.dv.bottom())
except ValueError:
return self.default_text
def validate(self, s, pos):
if self.allow_empty and len(s) == 0:
return (QValidator.Acceptable, s, pos)
if "," in s:
return (QValidator.Invalid, s, pos)
else:
return self.dv.validate(s, pos)
class FloatOrEmptyValidator(QValidator):
def __init__(self, parent, allow_empty=False, bottom=float("-inf"), top=float("inf"),
default_text=""):
super().__init__(parent)
self.dv = QDoubleValidator(parent)
self.allow_empty = allow_empty
self.default_text = default_text
self.dv.setLocale(QLocale.c())
self.setBottom(bottom)
self.setTop(top)
def setDefault(self, s):
self.default_text = s
def setBottom(self, b):
self.dv.setBottom(b)
def setTop(self, t):
self.dv.setTop(t)
def fixup(self, p_str):
# = only called at editingFinished so an Orange controlled value can still contain
# invalid, because they are synchronized and every change
# = called before returnPressedHandler
try:
f = float(p_str)
if f > self.dv.top():
return str(self.dv.top())
if f < self.dv.bottom():
return str(self.dv.bottom())
except ValueError:
return self.default_text
def validate(self, s, pos):
if self.allow_empty and len(s) == 0:
return (QValidator.Acceptable, s, pos)
if "," in s:
return (QValidator.Invalid, s, pos)
else:
return self.dv.validate(s, pos)