class A(object):
t = trait()
y = trait()
@y.changed()
def y_changed(self, event):
self.seen_y = True
class A(object):
b = trait(instance=B)
bt_count = 0
@b.t.changed()
def t_changed(self, event):
self.bt_count += 1
class B(object):
t = trait()
t_count = 0
@t.changed()
def t_changed(self, event):
self.t_count += 1
class B(object):
c = trait(instance=C)
@c.changed()
def c_changed(self, event):
self.b_seen_c = True
def __init__(self):
self.b_seen_c = False
self.a_seen_c = False
init_events(self)
class A(object):
b = trait(instance=B)
c = b.c
def __init__(self, b):
self.b_seen_c = False
self.a_seen_c = False
init_events(self)
self.b = b
@b.c.changed()
def c_changed(self, event):
self.a_seen_c = True
class A(object):
y = trait()
seen_y_error = False
@y.setter
def y(self, value):
self._y = value
raise MyExc()
@y.changed()
def y_changed(self, event):
self.seen_y = True
@y.error()
def y_error(self, event):
self.seen_y_error = True
class C(object):
d = trait()
@d.changed()
def d_changed(self, event):
self.c_seen_d = True