class TodoListWidget(VBox):
def __init__(self):
super().__init__()
self.entry = HBox()
self.input = Input()
self.entry.children = [self.input]
self.todolist = VBox()
self.clear_button = Button("Clear Completed")
self.children = [self.entry, self.todolist, self.clear_button]
# This form of attaching an event handler is for "secondary"
# hanlers. Primary handlers are attached with @event_handler,
# which are for events of its own widget. The primary handler
# calls the secondary handlers. This is a secondary handler
# beause it is an event of self.input, not self.
self.input.register('change', self.on_add_todo)
self.clear_button.register('click', self.on_clear_completed)
def on_add_todo(self, source, message):
new_todo = TodoWidget(self.input.value)
self.todolist.children.append(new_todo)
print(f"Added {repr(new_todo)}")
def on_clear_completed(self, source, message):
print(f'{self.__class__.__name__}.on_clear_completed({repr(source)}')
for todo in self.todolist.children:
if todo.completed:
self.todolist.children.remove(todo)
def __init__(self, connection):
super().__init__(connection)
self.btn_go2b = Button(label='Go to B')
self.btn = Button()
self.input = Input(value='The value')
self.redir = Redirect()
self.children = [self.btn_go2b, self.btn, self.input, self.redir]
self.btn.register('click', self.on_button_click)
self.btn_go2b.register("click", self.on_go2b)
def __init__(self):
super().__init__()
self.entry = HBox()
self.input = Input()
self.entry.children = [self.input]
self.todolist = VBox()
self.clear_button = Button("Clear Completed")
self.children = [self.entry, self.todolist, self.clear_button]
# This form of attaching an event handler is for "secondary"
# hanlers. Primary handlers are attached with @event_handler,
# which are for events of its own widget. The primary handler
# calls the secondary handlers. This is a secondary handler
# beause it is an event of self.input, not self.
self.input.register('change', self.on_add_todo)
self.clear_button.register('click', self.on_clear_completed)
def __init__(self, connection):
super().__init__(connection)
self.button = Button()
self.inbox = Input()
self.box1 = HBox()
self.box1.children = [self.button, self.inbox]
self.children = [self.box1]
self.button.register('click', self.on_button_click)
def __init__(self, connection):
super().__init__(connection)
# Nothing is sent to the browser during the construction.
# However, as soon as we start adding children, messages
# announcing the children are being queued for delivery.
# Only when this widget is ready on the browser side,
# these messages will be sent.
# Note: This "serial" delivery is slow and probably
# unnecessary.
self.children = [Button(), Input(value='The value')]
self.children[0].register('click', self.on_button_click)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.input = Input()
self.add = Button('Add')
self.taskentry = HBox()
self.taskentry.children = [self.input, self.add]
self.tasksarea = VBox()
self.delete = Button('Delete')
self.children = [self.taskentry, self.tasksarea, self.delete]
def __init__(self, connection):
# Widget.__init__: A lot of stuff.
# MainApp.__init__: self.connection = connection
super().__init__(connection)
# #### Authentication Verification #####
sid = connection.get_cookie('sessionid')
session = connection.application.get_session(sid)
print(f'[{__class__.__name__}] Session: {session}')
if not session.authenticated:
self.children = [Label('Not authorized')] # Will never happen
connection.close()
return
# ### Done with authentication verification ####
self.button = Button()
self.inbox = Input()
self.box1 = HBox()
self.box1.children = [
self.button,
self.inbox
]
self.logoutbtn = Button('Log out')
self.box2 = VBox()
self.box2.children = [
Label("This the main app. You have been successfully authenticated."),
self.box1,
self.logoutbtn
]
self.redir = Redirect()
self.children = [self.box2, self.redir]
self.button.register('click', self.on_button_click)
self.logoutbtn.register('click', self.on_logout)
def __init__(self, connection):
super().__init__(connection)
self.label = Label('Password')
self.pwinput = Input()
self.btn = Button('Login')
# TODO: If not a child, should raise error when calling redirect().
self.redir = Redirect()
self.status = Label('Please enter your password.')
lg = HBox()
lg.children = [
self.label,
self.pwinput,
self.btn,
self.redir
]
vb = VBox()
vb.children = [
lg,
self.status
]
self.children = [
vb
]
self.btn.register("click", self.on_click)
# ---- Authentication Verification ----
# If authenticated, redirect immediately to the
# main (restricted app).
sid = connection.get_cookie('sessionid')
session = connection.application.get_session(sid)
print(f'[{__class__.__name__}] Session: {session}')
if session.authenticated:
self.redir.redirect('/b')