def test_update_command_with_parameter():
a = App()
callback_event = Event()
def callback(value):
assert l.value == "foo"
callback_event.set()
l = ListBox(a, ["foo", "bar"])
l.value = "foo"
l.update_command(callback)
l._listbox._command_callback()
assert callback_event.is_set()
a.destroy()
def test_update_command():
a = App()
callback_event = Event()
def callback():
callback_event.set()
l = ListBox(a, ["foo", "bar"])
l._listbox._command_callback()
assert not callback_event.is_set()
l.update_command(callback)
l._listbox._command_callback()
assert callback_event.is_set()
callback_event.clear()
l.update_command(None)
l._listbox._command_callback()
assert not callback_event.is_set()
a.destroy()
for course in course_list:
course_btn = PushButton(cbox, text=course.get_cname(), width=10, height=3)
course_btn.bg = (129, 217, 222)
course_btn.text_color = (255, 255, 255)
course_btn.update_command(food_details, [course.get_cname()])
admin_button = PushButton(cbox,
text="Admin",
command=admin_access,
width=10,
height=3)
admin_button.bg = (129, 217, 222)
admin_button.text_color = (255, 255, 255)
food_listbox = ListBox(fbox)
food_listbox.update_command(add_food)
order_listbox = ListBox(obox, width=200, height=200)
delete_button = PushButton(obox, text="Undo", command=undo)
clear_button = PushButton(obox, text="Clear", command=clear_order)
finish_button = PushButton(obox, text="Finish", command=finish_order)
cost_lbl = Text(obox, text="Total Cost:")
success_lbl = Text(afbox)
for course in course_list:
course_btn = PushButton(aabox, text=course.get_cname(), width=10, height=3)
course_btn.bg = (129, 217, 222)
course_btn.text_color = (255, 255, 255)
course_btn.update_command(admin_food_details, [course.get_cname()])
admin_listbox_available = ListBox(abbox)
# This is section where you add any GUI widgets
# Loop through the teacher_list and create a button for each one
row = 0
column = 0
for teacher in teacher_list:
# We only want 3 columns of buttons
if column == 3:
column = 0
row += 1
else:
# Each button displays the name of the teacher
teacher_btn = PushButton(app,
text=teacher.get_tname(),
width=10,
height=3,
grid=[column, row])
# We use update_command() instead of command because we want to send a parameter to the teacher_details() function
teacher_btn.update_command(teacher_details, [teacher.get_tname()])
column += 1
teacher_label = Text(app, grid=[0, row + 1])
class_label = Text(app, grid=[0, row + 2])
class_listbox = ListBox(app, grid=[0, row + 3])
class_listbox.update_command(student_details)
class_count_label = Text(app, grid=[0, row + 4])
# Start the program
app.display()
