SFCViewer.py 文件源码

def CreateTransition(self, connector, next=None):
        previous = connector.GetParentBlock()
        id = self.GetNewId()
        transition = SFC_Transition(self, "reference", "", 0, id)
        pos = connector.GetPosition(False)
        transition.SetPosition(pos.x, pos.y + SFC_WIRE_MIN_SIZE)
        transition_connectors = transition.GetConnectors()
        wire = self.ConnectConnectors(transition_connectors["input"], connector)
        if isinstance(previous, SFC_Divergence):
            previous.RefreshConnectedPosition(connector)
        else:
            previous.RefreshOutputPosition()
        wire.SetPoints([wx.Point(pos.x, pos.y + GetWireSize(previous)), wx.Point(pos.x, pos.y)])
        self.AddBlock(transition)
        self.Controler.AddEditedElementTransition(self.TagName, id)
        self.RefreshTransitionModel(transition)
        if next:
            wire = self.ConnectConnectors(next, transition_connectors["output"])
            pos = transition_connectors["output"].GetPosition(False)
            next_block = next.GetParentBlock()
            next_pos = next.GetPosition(False)
            transition.RefreshOutputPosition((0, pos.y + SFC_WIRE_MIN_SIZE - next_pos.y))
            wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])
            if isinstance(next_block, SFC_Divergence):
                next_block.RefreshPosition()
            transition.RefreshOutputModel(True)
        return transition