from __future__ import absolute_import, division, print_function
from builtins import * # @UnusedWildImport
from tkinter import StringVar
from mcculw import ul
from examples.ui.uiexample import UIExample
from mcculw.ul import ULError
import tkinter as tk
class ULGT01(UIExample):
def __init__(self, master):
super(ULGT01, self).__init__(master)
self.create_widgets()
def err_code_changed(self, *args):
try:
err_code = int(self.err_code_variable.get())
except ValueError:
err_code = 0
try:
message = ul.get_err_msg(err_code)
self.err_msg_label["text"] = message
except ULError as e:
self.show_ul_error(e)
def create_widgets(self):
'''Create the tkinter UI'''
main_frame = tk.Frame(self)
main_frame.pack(fill=tk.X, anchor=tk.NW)
positive_int_vcmd = self.register(self.validate_positive_int_entry)
err_code_label = tk.Label(main_frame)
err_code_label["text"] = "Error Code:"
err_code_label.grid(row=0, column=0, sticky=tk.W)
self.err_code_variable = StringVar(0)
self.err_code_entry = tk.Spinbox(
main_frame, from_=0, to=2000,
textvariable=self.err_code_variable,
validate="key", validatecommand=(positive_int_vcmd, "%P"))
self.err_code_entry.grid(row=0, column=1, sticky=tk.W)
self.err_code_variable.trace("w", self.err_code_changed)
err_msg_left_label = tk.Label(main_frame)
err_msg_left_label["text"] = "Message:"
err_msg_left_label.grid(row=1, column=0, sticky=tk.NW)
self.err_msg_label = tk.Label(
main_frame, justify=tk.LEFT, wraplength=300)
self.err_msg_label["text"] = "No error has occurred."
self.err_msg_label.grid(row=1, column=1, sticky=tk.W)
button_frame = tk.Frame(self)
button_frame.pack(fill=tk.X, side=tk.RIGHT, anchor=tk.SE)
quit_button = tk.Button(button_frame)
quit_button["text"] = "Quit"
quit_button["command"] = self.master.destroy
quit_button.grid(row=0, column=0, padx=3, pady=3)
# Start the example if this module is being run
if __name__ == "__main__":
# Start the example
ULGT01(master=tk.Tk()).mainloop()
