def start_blink(*args, **kwargs):
global frame
global sender
global canvas
parent = kwargs['parent']
master = kwargs['master']
### parent is simulationGUI and parent of it can be wx main app or DetachedFrame
mainW = parent.GetParent()
### find canvas depending on the parent of parent
if isinstance(mainW, DetachedFrame):
canvas = mainW.GetCanvas()
else:
nb = mainW.GetDiagramNotebook()
actuel = nb.GetSelection()
canvas = nb.GetPage(actuel)
### define diagram
diagram = canvas.GetDiagram()
### define frame
frame = BlinkFrame(parent, wx.ID_ANY, _('Blink Logger'))
frame.SetIcon(mainW.GetIcon())
frame.SetTitle("%s Blink Logger" %
os.path.basename(diagram.last_name_saved))
frame.Show()
### define sender
sender = Subject()
sender.canvas = canvas
sender.__state = {}
sender.GetState = MethodType(GetState, sender)
for block in diagram.GetFlatBlockShapeList():
#### add model d to observer list
sender.attach(block)
state = sender.GetState()
state['status_label'] = ""
sender.notify()
sender.detach(block)
### disable suspend and log button
parent._btn3.Disable()
parent._btn4.Disable()