class Attribute(TwoCells):
def __init__(self, parent, text, value, callback=None, **kwargs):
super().__init__(parent, **kwargs)
self.callback = callback
self.label_text = StringVar()
self.label_text.set(text)
self.label = Label(self.frame, textvariable=self.label_text)
self.label.grid(column=0, row=0, padx=5, pady=5, sticky=W)
self.current_value = StringVar(self.frame)
self.current_value.set(value)
self.value = Entry(self.frame,
textvariable=self.current_value,
validate="key",
validatecommand=self.validate_command)
self.value.grid(column=1, row=0, padx=5, pady=5, sticky=E)
if self.callback:
self.value.bind("<KeyRelease>", self._on_entry_changed)
def _on_entry_changed(self, event):
self.callback()
def hide(self):
self.label.grid_remove()
self.value.grid_remove()
return self
def show(self, text):
self.label_text.set(text)
self.label.grid()
self.value.grid()
return self
def disable(self):
self.value.configure(state=DISABLED)
return self
def enable(self):
self.value.configure(state=NORMAL)
return self
def set(self, value):
self.current_value.set(value)
if str(value) == "":
self.disable()
else:
self.enable()
def get(self):
value = self.current_value.get()
if self.validation_type in [
TwoCells.INTEGERS, TwoCells.NON_NEGATIVE_INTEGERS
]:
return int(value) if value not in ["", "-"] else 0
else:
return value
