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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

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#based on the plcopen standard.

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#

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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

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#

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#See COPYING file for copyrights details.

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#

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#This library is free software; you can redistribute it and/or

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#modify it under the terms of the GNU General Public

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#License as published by the Free Software Foundation; either

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#version 2.1 of the License, or (at your option) any later version.

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#

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#This library is distributed in the hope that it will be useful,

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#but WITHOUT ANY WARRANTY; without even the implied warranty of

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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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#General Public License for more details.

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#

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#You should have received a copy of the GNU General Public

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#License along with this library; if not, write to the Free Software

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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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import wx

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from types import *

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from Viewer import *

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class SFC_Viewer(Viewer):

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    def __init__(self, parent, tagname, window, controler, debug = False, instancepath = ""):

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        Viewer.__init__(self, parent, tagname, window, controler, debug, instancepath)

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        self.CurrentLanguage = "SFC"

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    36

    def ConnectConnectors(self, start, end):

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        startpoint = [start.GetPosition(False), start.GetDirection()]

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        endpoint = [end.GetPosition(False), end.GetDirection()]

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        wire = Wire(self, startpoint, endpoint)

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        self.AddWire(wire)

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        start.Connect((wire, 0), False)

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        end.Connect((wire, -1), False)

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        wire.ConnectStartPoint(None, start)

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        wire.ConnectEndPoint(None, end)

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        return wire

    46

    47

    def CreateTransition(self, connector, next = None):

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        previous = connector.GetParentBlock()

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        id = self.GetNewId()

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        transition = SFC_Transition(self, "reference", "", 0, id)

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        pos = connector.GetPosition(False)

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        transition.SetPosition(pos.x, pos.y + SFC_WIRE_MIN_SIZE)

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        transition_connectors = transition.GetConnectors()

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        wire = self.ConnectConnectors(transition_connectors["input"], connector)

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        if isinstance(previous, SFC_Divergence):

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            previous.RefreshConnectedPosition(connector)

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        else:

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            previous.RefreshOutputPosition()

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        wire.SetPoints([wx.Point(pos.x, pos.y + GetWireSize(previous)), wx.Point(pos.x, pos.y)])

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        self.AddBlock(transition)

    61

        self.Controler.AddEditedElementTransition(self.TagName, id)

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        self.RefreshTransitionModel(transition)

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        if next:

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            wire = self.ConnectConnectors(next, transition_connectors["output"])

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            pos = transition_connectors["output"].GetPosition(False)

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            next_block = next.GetParentBlock()

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            next_pos = next.GetPosition(False)

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            transition.RefreshOutputPosition((0, pos.y + SFC_WIRE_MIN_SIZE - next_pos.y))

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            wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])

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            if isinstance(next_block, SFC_Divergence):

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                next_block.RefreshPosition()

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            transition.RefreshOutputModel(True)

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        return transition

    74

    75

    def RemoveTransition(self, transition):

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        connectors = transition.GetConnectors()

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        input_wires = connectors["input"].GetWires()

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        if len(input_wires) != 1:

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            return

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        input_wire = input_wires[0][0]

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        previous = input_wire.EndConnected

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        input_wire.Clean()

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        self.RemoveWire(input_wire)

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        output_wires = connectors["output"].GetWires()

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        if len(output_wires) != 1:

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            return

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        output_wire = output_wires[0][0]

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        next = output_wire.StartConnected

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        output_wire.Clean()

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        self.RemoveWire(output_wire)

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        transition.Clean()

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        self.RemoveBlock(transition)

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        self.Controler.RemoveEditedElementInstance(self.TagName, transition.GetId())

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        wire = self.ConnectConnectors(next, previous)

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        return wire

    96

    97

    def CreateStep(self, name, connector, next = None):

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        previous = connector.GetParentBlock()

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        id = self.GetNewId()

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        step = SFC_Step(self, name, False, id)

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        if next:

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            step.AddOutput()

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        min_width, min_height = step.GetMinSize()

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        pos = connector.GetPosition(False)

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        step.SetPosition(pos.x, pos.y + SFC_WIRE_MIN_SIZE)

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        step.SetSize(min_width, min_height)

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        step_connectors = step.GetConnectors()

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        wire = self.ConnectConnectors(step_connectors["input"], connector)

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        if isinstance(previous, SFC_Divergence):

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            previous.RefreshConnectedPosition(connector)

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        else:

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            previous.RefreshOutputPosition()

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        wire.SetPoints([wx.Point(pos.x, pos.y + GetWireSize(previous)), wx.Point(pos.x, pos.y)])

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        self.AddBlock(step)

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        self.Controler.AddEditedElementStep(self.TagName, id)

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        self.RefreshStepModel(step)

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        if next:

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            wire = self.ConnectConnectors(next, step_connectors["output"])

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            pos = step_connectors["output"].GetPosition(False)

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            next_block = next.GetParentBlock()

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            next_pos = next.GetPosition(False)

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            step.RefreshOutputPosition((0, pos.y + SFC_WIRE_MIN_SIZE - next_pos.y))

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            wire.SetPoints([wx.Point(pos.x, pos.y + SFC_WIRE_MIN_SIZE), wx.Point(pos.x, pos.y)])

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            if isinstance(next_block, SFC_Divergence):

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                next_block.RefreshPosition()

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            step.RefreshOutputModel(True)

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        return step

   128

   129

    def RemoveStep(self, step):

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        connectors = step.GetConnectors()

   131

        if connectors["input"]:

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            input_wires = connectors["input"].GetWires()

   133

            if len(input_wires) != 1:

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                return

   135

            input_wire = input_wires[0][0]

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            previous = input_wire.EndConnected

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            input_wire.Clean()

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            self.RemoveWire(input_wire)

   139

        else:

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            previous = None

   141

        if connectors["output"]:

   142

            output_wires = connectors["output"].GetWires()

   143

            if len(output_wires) != 1:

   144

                return

   145

            output_wire = output_wires[0][0]

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            next = output_wire.StartConnected

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            output_wire.Clean()

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            self.RemoveWire(output_wire)

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        else:

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            next = None

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        action = step.GetActionConnected()

   152

        if action:

   153

            self.DeleteActionBlock(action.GetParentBlock())

   154

        step.Clean()

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        self.RemoveBlock(step)

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        self.Controler.RemoveEditedElementInstance(self.TagName, step.GetId())

   157

        if next and previous:

   158

            wire = self.ConnectConnectors(next, previous)

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            return wire

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        else:

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            return None

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   163

#-------------------------------------------------------------------------------

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#                          Mouse event functions

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#-------------------------------------------------------------------------------

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   167

    def OnViewerLeftDown(self, event):

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        if self.GetDrawingMode() == FREEDRAWING_MODE:

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            Viewer.OnViewerLeftDown(self, event)

   170

        elif self.Mode == MODE_SELECTION:

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            if event.ShiftDown() and not event.ControlDown() and self.SelectedElement is not None:

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                element = self.FindElement(event, True)

   173

                if element and not self.IsWire(element):

   174

                    if isinstance(self.SelectedElement, Graphic_Group):

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                        self.SelectedElement.SelectElement(element)

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                    else:

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                        group = Graphic_Group(self)

   178

                        self.SelectedElement.SetSelected(False)

   179

                        group.SelectElement(self.SelectedElement)

   180

                        group.SelectElement(element)

   181

                        self.SelectedElement = group

   182

                    elements = self.SelectedElement.GetElements()

   183

                    if len(elements) == 0:

   184

                        self.SelectedElement = element

   185

                    elif len(elements) == 1:

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                        self.SelectedElement = elements[0]

   187

                    self.SelectedElement.SetSelected(True)

   188

            else:

   189

                element = self.FindElement(event)

   190

                if self.SelectedElement and self.SelectedElement != element:

   191

                    if self.IsWire(self.SelectedElement):

   192

                        self.SelectedElement.SetSelectedSegment(None)

   193

                    else:

   194

                        self.SelectedElement.SetSelected(False)

   195

                    self.SelectedElement = None

   196

                if element:

   197

                    self.SelectedElement = element

   198

                    self.SelectedElement.OnLeftDown(event, self.GetLogicalDC(), self.Scaling)

   199

                    self.SelectedElement.Refresh()

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                else:

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                    self.rubberBand.Reset()

   202

                    self.rubberBand.OnLeftDown(event, self.GetLogicalDC(), self.Scaling)

   203

        elif self.Mode == MODE_COMMENT:

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            self.rubberBand.Reset()

   205

            self.rubberBand.OnLeftDown(event, self.GetLogicalDC(), self.Scaling)

   206

        event.Skip()

   207

   208

    def OnViewerLeftUp(self, event):

   209

        if self.GetDrawingMode() == FREEDRAWING_MODE:

   210

            Viewer.OnViewerLeftUp(self, event)

   211

        elif self.rubberBand.IsShown():

   212

            if self.Mode == MODE_SELECTION:

   213

                elements = self.SearchElements(self.rubberBand.GetCurrentExtent())

   214

                self.rubberBand.OnLeftUp(event, self.GetLogicalDC(), self.Scaling)

   215

                if len(elements) > 0:

   216

                    self.SelectedElement = Graphic_Group(self)

   217

                    self.SelectedElement.SetElements(elements)

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                    self.SelectedElement.SetSelected(True)

   219

            elif self.Mode == MODE_COMMENT:

   220

                bbox = self.rubberBand.GetCurrentExtent()

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                self.rubberBand.OnLeftUp(event, self.GetLogicalDC(), self.Scaling)

   222

                wx.CallAfter(self.AddComment, bbox)

   223

        elif self.Mode == MODE_INITIALSTEP:

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            wx.CallAfter(self.AddInitialStep, GetScaledEventPosition(event, self.GetLogicalDC(), self.Scaling))

   225

        elif self.Mode == MODE_SELECTION and self.SelectedElement:

   226

            if self.IsWire(self.SelectedElement):

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                self.SelectedElement.SetSelectedSegment(0)

   228

            else:

   229

                self.SelectedElement.OnLeftUp(event, self.GetLogicalDC(), self.Scaling)

   230

                self.SelectedElement.Refresh()

   231

            wx.CallAfter(self.SetCurrentCursor, 0)

   232

        elif self.Mode == MODE_WIRE and self.SelectedElement:

   233

            self.SelectedElement.ResetPoints()

   234

            self.SelectedElement.OnMotion(event, self.GetLogicalDC(), self.Scaling)

   235

            self.SelectedElement.GeneratePoints()

   236

            self.SelectedElement.RefreshModel()

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            self.SelectedElement.SetSelected(True)

   238

        event.Skip()

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   240

    def OnViewerRightUp(self, event):

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        if self.GetDrawingMode() == FREEDRAWING_MODE:

   242

            Viewer.OnViewerRightUp(self, event)

   243

        else:

   244

            element = self.FindElement(event)

   245

            if element:

   246

                if self.SelectedElement and self.SelectedElement != element:

   247

                    self.SelectedElement.SetSelected(False)

   248

                self.SelectedElement = element

   249

                if self.IsWire(self.SelectedElement):

   250

                    self.SelectedElement.SetSelectedSegment(0)

   251

                else:

   252

                    self.SelectedElement.SetSelected(True)

   253

                    self.SelectedElement.OnRightUp(event, self.GetLogicalDC(), self.Scaling)

   254

                    self.SelectedElement.Refresh()

   255

                wx.CallAfter(self.SetCurrentCursor, 0)

   256

        event.Skip()

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   258

    def OnViewerLeftDClick(self, event):

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        if self.GetDrawingMode() == FREEDRAWING_MODE:

   260

            Viewer.OnViewerLeftDClick(self, event)

   261

        elif self.Mode == MODE_SELECTION and self.SelectedElement:

   262

            self.SelectedElement.OnLeftDClick(event, self.GetLogicalDC(), self.Scaling)

   263

            self.Refresh(False)

   264

        event.Skip()

   265

   266

    def OnViewerMotion(self, event):

   267

        if self.GetDrawingMode() == FREEDRAWING_MODE:

   268

            Viewer.OnViewerMotion(self, event)

   269

        else:

   270

            if self.rubberBand.IsShown():

   271

                self.rubberBand.OnMotion(event, self.GetLogicalDC(), self.Scaling)

   272

            elif self.Mode == MODE_SELECTION and self.SelectedElement:

   273

                if not self.IsWire(self.SelectedElement) and not isinstance(self.SelectedElement, Graphic_Group):

   274

                    self.SelectedElement.OnMotion(event, self.GetLogicalDC(), self.Scaling)

   275

                    self.SelectedElement.Refresh()

   276

            elif self.Mode == MODE_WIRE and self.SelectedElement:

   277

                self.SelectedElement.ResetPoints()

   278

                self.SelectedElement.OnMotion(event, self.GetLogicalDC(), self.Scaling)

   279

                self.SelectedElement.GeneratePoints()

   280

                self.SelectedElement.Refresh()

   281

            self.UpdateScrollPos(event)

   282

        event.Skip()

   283

   284

#-------------------------------------------------------------------------------

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#                          Keyboard event functions

   286

#-------------------------------------------------------------------------------

   287

   288

    def OnChar(self, event):

   289

        if self.GetDrawingMode() == FREEDRAWING_MODE:

   290

            Viewer.OnChar(self, event)

   291

        else:

   292

            xpos, ypos = self.GetScrollPos(wx.HORIZONTAL), self.GetScrollPos(wx.VERTICAL)

   293

            xmax = self.GetScrollRange(wx.HORIZONTAL) - self.GetScrollThumb(wx.HORIZONTAL)

   294

            ymax = self.GetScrollRange(wx.VERTICAL) - self.GetScrollThumb(wx.VERTICAL)

   295

            keycode = event.GetKeyCode()

   296

            if self.Scaling:

   297

                scaling = self.Scaling

   298

            else:

   299

                scaling = (8, 8)

   300

            if keycode == wx.WXK_DELETE and self.SelectedElement:

   301

                self.SelectedElement.Delete()

   302

                self.SelectedElement = None

   303

                self.RefreshBuffer()

   304

                self.RefreshScrollBars()

   305

                self.Refresh(False)

   306

            elif keycode == wx.WXK_LEFT:

   307

                if event.ControlDown() and event.ShiftDown():

   308

                    self.Scroll(0, ypos)

   309

                elif event.ControlDown():

   310

                    event.Skip()

   311

                elif self.SelectedElement:

   312

                    self.SelectedElement.Move(-scaling[0], 0)

   313

                    self.SelectedElement.RefreshModel()

   314

                    self.RefreshBuffer()

   315

                    self.RefreshScrollBars()

   316

                    self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(-scaling[0], 0)), False)

   317

            elif keycode == wx.WXK_RIGHT:

   318

                if event.ControlDown() and event.ShiftDown():

   319

                    self.Scroll(xmax, ypos)

   320

                elif event.ControlDown():

   321

                    event.Skip()

   322

                elif self.SelectedElement:

   323

                    self.SelectedElement.Move(scaling[0], 0)

   324

                    self.SelectedElement.RefreshModel()

   325

                    self.RefreshBuffer()

   326

                    self.RefreshScrollBars()

   327

                    self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(scaling[0], 0)), False)

   328

            elif keycode == wx.WXK_UP:

   329

                if event.ControlDown() and event.ShiftDown():

   330

                    self.Scroll(xpos, 0)

   331

                elif event.ControlDown():

   332

                    event.Skip()

   333

                elif self.SelectedElement:

   334

                    self.SelectedElement.Move(0, -scaling[1])

   335

                    self.SelectedElement.RefreshModel()

   336

                    self.RefreshBuffer()

   337

                    self.RefreshScrollBars()

   338

                    self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(0, -scaling[1])), False)

   339

            elif keycode == wx.WXK_DOWN:

   340

                if event.ControlDown() and event.ShiftDown():

   341

                    self.Scroll(xpos, ymax)

   342

                elif event.ControlDown():

   343

                    event.Skip()

   344

                elif self.SelectedElement:

   345

                    self.SelectedElement.Move(0, scaling[1])

   346

                    self.SelectedElement.RefreshModel()

   347

                    self.RefreshBuffer()

   348

                    self.RefreshScrollBars()

   349

                    self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(0, scaling[1])), False)

   350

            else:

   351

                event.Skip()

   352

   353

#-------------------------------------------------------------------------------

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#                          Adding element functions

   355

#-------------------------------------------------------------------------------

   356

   357

    def AddInitialStep(self, pos):

   358

        dialog = SFCStepNameDialog(self.ParentWindow, _("Please enter step name"), _("Add a new initial step"), "", wx.OK|wx.CANCEL)

   359

        dialog.SetPouNames(self.Controler.GetProjectPouNames(self.Debug))

   360

        dialog.SetVariables(self.Controler.GetEditedElementInterfaceVars(self.TagName, self.Debug))

   361

        dialog.SetStepNames([block.GetName() for block in self.Blocks if isinstance(block, SFC_Step)])

   362

        if dialog.ShowModal() == wx.ID_OK:

   363

            id = self.GetNewId()

   364

            name = dialog.GetValue()

   365

            step = SFC_Step(self, name, True, id)

   366

            min_width, min_height = step.GetMinSize()

   367

            step.SetPosition(pos.x, pos.y)

   368

            width, height = step.GetSize()

   369

            step.SetSize(max(min_width, width), max(min_height, height))

   370

            self.AddBlock(step)

   371

            self.Controler.AddEditedElementStep(self.TagName, id)

   372

            self.RefreshStepModel(step)

   373

            self.RefreshBuffer()

   374

            self.RefreshScrollBars()

   375

            self.Refresh(False)

   376

        dialog.Destroy()

   377

   378

    def AddStep(self):

   379

        if self.SelectedElement in self.Wires or isinstance(self.SelectedElement, SFC_Step):

   380

            dialog = SFCStepNameDialog(self.ParentWindow, _("Add a new step"), _("Please enter step name"), "", wx.OK|wx.CANCEL)

   381

            dialog.SetPouNames(self.Controler.GetProjectPouNames(self.Debug))

   382

            dialog.SetVariables(self.Controler.GetEditedElementInterfaceVars(self.TagName, self.Debug))

   383

            dialog.SetStepNames([block.GetName() for block in self.Blocks if isinstance(block, SFC_Step)])

   384

            if dialog.ShowModal() == wx.ID_OK:

   385

                name = dialog.GetValue()

   386

                if self.IsWire(self.SelectedElement):

   387

                    self.SelectedElement.SetSelectedSegment(None)

   388

                    previous = self.SelectedElement.EndConnected

   389

                    next = self.SelectedElement.StartConnected

   390

                    self.SelectedElement.Clean()

   391

                    self.RemoveWire(self.SelectedElement)

   392

                else:

   393

                    connectors = self.SelectedElement.GetConnectors()

   394

                    if connectors["output"]:

   395

                        previous = connectors["output"]

   396

                        wires = previous.GetWires()

   397

                        if len(wires) != 1:

   398

                            return

   399

                        wire = wires[0][0]

   400

                        next = wire.StartConnected

   401

                        wire.Clean()

   402

                        self.RemoveWire(wire)

   403

                    else:

   404

                        self.SelectedElement.AddOutput()

   405

                        connectors = self.SelectedElement.GetConnectors()

   406

                        self.RefreshStepModel(self.SelectedElement)

   407

                        previous = connectors["output"]

   408

                        next = None

   409

                previous_block = previous.GetParentBlock()

   410

                if isinstance(previous_block, SFC_Step) or isinstance(previous_block, SFC_Divergence) and previous_block.GetType() in [SELECTION_DIVERGENCE, SELECTION_CONVERGENCE]:

   411

                    transition = self.CreateTransition(previous)

   412

                    transition_connectors = transition.GetConnectors()

   413

                    step = self.CreateStep(name, transition_connectors["output"], next)

   414

                else:

   415

                    step = self.CreateStep(name, previous)

   416

                    step.AddOutput()

   417

                    step.RefreshModel()

   418

                    step_connectors = step.GetConnectors()

   419

                    transition = self.CreateTransition(step_connectors["output"], next)

   420

                if self.IsWire(self.SelectedElement):

   421

                    self.SelectedElement = wire

   422

                    self.SelectedElement.SetSelectedSegment(0)

   423

                else:

   424

                    self.SelectedElement.SetSelected(False)

   425

                    self.SelectedElement = step

   426

                    self.SelectedElement.SetSelected(True)

   427

                self.RefreshBuffer()

   428

                self.RefreshScrollBars()

   429

                self.Refresh(False)

   430

            dialog.Destroy()

   431

   432

    def AddStepAction(self):

   433

        if isinstance(self.SelectedElement, SFC_Step):

   434

            connectors = self.SelectedElement.GetConnectors()

   435

            if not connectors["action"]:

   436

                dialog = ActionBlockDialog(self.ParentWindow)

   437

                dialog.SetQualifierList(self.Controler.GetQualifierTypes())

   438

                dialog.SetActionList(self.Controler.GetEditedElementActions(self.TagName, self.Debug))

   439

                dialog.SetVariableList(self.Controler.GetEditedElementInterfaceVars(self.TagName, self.Debug))

   440

                if dialog.ShowModal() == wx.ID_OK:

   441

                    actions = dialog.GetValues()

   442

                    self.SelectedElement.AddAction()

   443

                    self.RefreshStepModel(self.SelectedElement)

   444

                    connectors = self.SelectedElement.GetConnectors()

   445

                    pos = connectors["action"].GetPosition(False)

   446

                    id = self.GetNewId()

   447

                    actionblock = SFC_ActionBlock(self, [], id)

   448

                    actionblock.SetPosition(pos.x + SFC_WIRE_MIN_SIZE, pos.y - SFC_STEP_DEFAULT_SIZE[1] / 2)

   449

                    actionblock_connector = actionblock.GetConnector()

   450

                    wire = self.ConnectConnectors(actionblock_connector, connectors["action"])

   451

                    wire.SetPoints([wx.Point(pos.x + SFC_WIRE_MIN_SIZE, pos.y), wx.Point(pos.x, pos.y)])

   452

                    actionblock.SetActions(actions)

   453

                    self.AddBlock(actionblock)

   454

                    self.Controler.AddEditedElementActionBlock(self.TagName, id)

   455

                    self.RefreshActionBlockModel(actionblock)

   456

                    self.RefreshBuffer()

   457

                    self.RefreshScrollBars()

   458

                    self.Refresh(False)

   459

                dialog.Destroy()

   460

   461

    def AddDivergence(self):

   462

        if self.SelectedElement in self.Wires or isinstance(self.SelectedElement, Graphic_Group) or isinstance(self.SelectedElement, SFC_Step):        

   463

            dialog = SFCDivergenceDialog(self.ParentWindow)

   464

            dialog.SetPreviewFont(self.GetFont())

   465

            if dialog.ShowModal() == wx.ID_OK:

   466

                value = dialog.GetValues()

   467

                if value["type"] == SELECTION_DIVERGENCE:

   468

                    if self.SelectedElement in self.Wires and isinstance(self.SelectedElement.EndConnected.GetParentBlock(), SFC_Step):

   469

                        self.SelectedElement.SetSelectedSegment(None)

   470

                        previous = self.SelectedElement.EndConnected

   471

                        next = self.SelectedElement.StartConnected

   472

                        self.SelectedElement.Clean()

   473

                        self.RemoveWire(self.SelectedElement)

   474

                        self.SelectedElement = None

   475

                    elif isinstance(self.SelectedElement, SFC_Step):

   476

                        connectors = self.SelectedElement.GetConnectors()

   477

                        if connectors["output"]:

   478

                            previous = connectors["output"]

   479

                            wires = previous.GetWires()

   480

                            if len(wires) != 1:

   481

                                return

   482

                            wire = wires[0][0]

   483

                            next = wire.StartConnected

   484

                            wire.Clean()

   485

                            self.RemoveWire(wire)

   486

                        else:

   487

                            self.SelectedElement.AddOutput()

   488

                            connectors = self.SelectedElement.GetConnectors()

   489

                            self.RefreshStepModel(self.SelectedElement)

   490

                            previous = connectors["output"]

   491

                            next = None

   492

                    else:

   493

                        return

   494

                    id = self.GetNewId()

   495

                    divergence = SFC_Divergence(self, SELECTION_DIVERGENCE, value["number"], id)

   496

                    pos = previous.GetPosition(False)

   497

                    previous_block = previous.GetParentBlock()

   498

                    wire_size = GetWireSize(previous_block)

   499

                    divergence.SetPosition(pos.x, pos.y + wire_size)

   500

                    divergence_connectors = divergence.GetConnectors()

   501

                    wire = self.ConnectConnectors(divergence_connectors["inputs"][0], previous)

   502

                    previous_block.RefreshOutputPosition()

   503

                    wire.SetPoints([wx.Point(pos.x, pos.y + wire_size), wx.Point(pos.x, pos.y)])

   504

                    self.AddBlock(divergence)

   505

                    self.Controler.AddEditedElementDivergence(self.TagName, id, value["type"])

   506

                    self.RefreshDivergenceModel(divergence)