SFC_Objects.py 文件源码

def Draw(self, dc):
        Graphic_Element.Draw(self, dc)
        if self.Value:
            if self.Forced:
                dc.SetPen(MiterPen(wx.CYAN))
            else:
                dc.SetPen(MiterPen(wx.GREEN))
        elif self.Forced:
            dc.SetPen(MiterPen(wx.BLUE))
        else:
            dc.SetPen(MiterPen(wx.BLACK))
        dc.SetBrush(wx.WHITE_BRUSH)

        if getattr(dc, "printing", False):
            name_size = dc.GetTextExtent(self.Name)
        else:
            name_size = self.NameSize

        # Draw two rectangles for representing the step
        dc.DrawRectangle(self.Pos.x, self.Pos.y, self.Size[0] + 1, self.Size[1] + 1)
        if self.Initial:
            dc.DrawRectangle(self.Pos.x + 2, self.Pos.y + 2, self.Size[0] - 3, self.Size[1] - 3)
        # Draw step name
        name_pos = (self.Pos.x + (self.Size[0] - name_size[0]) / 2,
                    self.Pos.y + (self.Size[1] - name_size[1]) / 2)
        dc.DrawText(self.Name, name_pos[0], name_pos[1])
        # Draw input and output connectors
        if self.Input:
            self.Input.Draw(dc)
        if self.Output:
            self.Output.Draw(dc)
        if self.Action:
            self.Action.Draw(dc)

        if not getattr(dc, "printing", False):
            DrawHighlightedText(dc, self.Name, self.Highlights, name_pos[0], name_pos[1])


# -------------------------------------------------------------------------------
#                       Sequencial Function Chart Transition
# -------------------------------------------------------------------------------