SFCStepDialog.py 文件源码

def __init__(self, parent, controller, tagname, initial=False):
        """
        Constructor
        @param parent: Parent wx.Window of dialog for modal
        @param controller: Reference to project controller
        @param tagname: Tagname of project POU edited
        @param initial: True if step is initial (default: False)
        """
        BlockPreviewDialog.__init__(self, parent, controller, tagname,
                                    title=_('Edit Step'))

        # Init common sizers
        self._init_sizers(2, 0, 6, None, 2, 1)

        # Create label for SFC step name
        name_label = wx.StaticText(self, label=_('Name:'))
        self.LeftGridSizer.AddWindow(name_label, flag=wx.GROW)

        # Create text control for defining SFC step name
        self.StepName = wx.TextCtrl(self)
        self.Bind(wx.EVT_TEXT, self.OnNameChanged, self.StepName)
        self.LeftGridSizer.AddWindow(self.StepName, flag=wx.GROW)

        # Create label for SFC step connectors
        connectors_label = wx.StaticText(self, label=_('Connectors:'))
        self.LeftGridSizer.AddWindow(connectors_label, flag=wx.GROW)

        # Create check boxes for defining connectors available on SFC step
        self.ConnectorsCheckBox = {}
        for name, label in [("input", _("Input")),
                            ("output", _("Output")),
                            ("action", _("Action"))]:
            check_box = wx.CheckBox(self, label=label)
            if name == "output" or (name == "input" and not initial):
                check_box.SetValue(True)
            self.Bind(wx.EVT_CHECKBOX, self.OnConnectorsChanged, check_box)
            self.LeftGridSizer.AddWindow(check_box, flag=wx.GROW)
            self.ConnectorsCheckBox[name] = check_box

        # Add preview panel and associated label to sizers
        self.RightGridSizer.AddWindow(self.PreviewLabel, flag=wx.GROW)
        self.RightGridSizer.AddWindow(self.Preview, flag=wx.GROW)

        # Add buttons sizer to sizers
        self.MainSizer.AddSizer(
            self.ButtonSizer, border=20,
            flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)

        # Save flag that indicates that step is initial
        self.Initial = initial

        # Set default name for step
        self.StepName.ChangeValue(controller.GenerateNewName(
               tagname, None, "Step%d", 0))

        self.Fit()

        # Step name text control is default control having keyboard focus
        self.StepName.SetFocus()