def RemoveListeners(self):
"""Called when the frame is closed (destroyed).
This ensures we don't try to push updates to a non-existent
object.
"""
omodel = OrderModel.Instance()
omodel.RemoveListener(self._bpanel.lst.OnNewOrderInformation)
def __init__(self, parent):
wx.Frame.__init__(self, parent, size=(1200, 200), title='Live Bets')
psizer = wx.BoxSizer(wx.HORIZONTAL)
self._bpanel = LiveBetsPanel(self)
psizer.Add(self._bpanel, 1, wx.EXPAND | wx.ALL | wx.ALIGN_CENTER)
# model for MVC
omodel = OrderModel.Instance()
omodel.AddListener(self._bpanel.lst.OnNewOrderInformation)
# force initial update
omodel.UpdateViews()
self.SetSizer(psizer)
