navigate.view.custom_widgets.validation.ValidatedMixin

class navigate.view.custom_widgets.validation.ValidatedMixin(*args, error_var=None, **kwargs)

Bases: object

Validation functions

These functions are used to validate the input of the widget. They are called by the validatecommand attribute of the widget. They return True if the input is valid and False if it is not. They also set the error string to be displayed in the widget.

__init__(*args, error_var=None, **kwargs)

Initialize the ValidatedMixin

Parameters:

• *args – Variable length argument list

• error_var (tk.StringVar) – The variable to store the error message in if error_var = None, creates its own variable

• **kwargs – Keyword arguments to pass to the parent class

Methods

__init__(*args[, error_var])	Initialize the ValidatedMixin
add_history(event)	Add the current value to the history of the widget.
redo(event)	Redo the last change that was undone.
trigger_focusout_validation()	Trigger the focusout validation of the widget
undo(event)	Undo the last change to the widget.

Attributes

error	The variable to store the error message in
undo_history	The undo history of the widget
redo_history	The redo history of the widget
hover	The hover bubble for the widget

add_history(event)

Add the current value to the history of the widget.

Parameters:

event (tk.Event) – The event that triggered the history addition

redo(event)

Redo the last change that was undone.

Parameters:

event (tk.Event) – The event that triggered the redo

trigger_focusout_validation()

Trigger the focusout validation of the widget

undo(event)

Undo the last change to the widget.

Parameters:

event (tk.Event) – The event that triggered the undo

error

The variable to store the error message in

Type:

tk.StringVar

hover

The hover bubble for the widget

Type:

Hover

redo_history

The redo history of the widget

Type:

list

undo_history

The undo history of the widget

Type:

list