1

#!/usr/bin/env python

     2

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

     3

     4

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

     5

#based on the plcopen standard. 

     6

#

     7

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

     8

#

     9

#See COPYING file for copyrights details.

    10

#

    11

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

    12

#modify it under the terms of the GNU General Public

    13

#License as published by the Free Software Foundation; either

    14

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

    15

#

    16

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

    17

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

    18

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

    19

#General Public License for more details.

    20

#

    21

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

    22

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

    23

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

    24

    25

import wx

    26

    27

from plcopen.structures import *

    28

from PLCControler import ITEM_POU

    29

    30

from Dialogs import *

    31

    32

SCROLLBAR_UNIT = 10

    33

WINDOW_BORDER = 10

    34

SCROLL_ZONE = 10

    35

    36

def AppendMenu(parent, help, id, kind, text):

    37

    if wx.VERSION >= (2, 6, 0):

    38

        parent.Append(help=help, id=id, kind=kind, text=text)

    39

    else:

    40

        parent.Append(helpString=help, id=id, kind=kind, item=text)

    41

    42

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

    43

#                       Graphic elements Viewer base class

    44

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

    45

    46

# ID Constants for menu items

    47

[ID_FBDVIEWERCONTEXTUALMENUITEMS0, ID_FBDVIEWERCONTEXTUALMENUITEMS1,

    48

 ID_FBDVIEWERCONTEXTUALMENUITEMS2, ID_FBDVIEWERCONTEXTUALMENUITEMS3,

    49

 ID_FBDVIEWERCONTEXTUALMENUITEMS5, ID_FBDVIEWERCONTEXTUALMENUITEMS6,

    50

 ID_FBDVIEWERCONTEXTUALMENUITEMS8, ID_FBDVIEWERCONTEXTUALMENUITEMS9,

    51

 ID_FBDVIEWERCONTEXTUALMENUITEMS11, ID_FBDVIEWERCONTEXTUALMENUITEMS12,

    52

 ID_FBDVIEWERCONTEXTUALMENUITEMS14, ID_FBDVIEWERCONTEXTUALMENUITEMS15,

    53

] = [wx.NewId() for _init_coll_ContextualMenu_Items in range(12)]

    54

    55

    56

class ViewerDropTarget(wx.TextDropTarget):

    57

    58

    def __init__(self, parent):

    59

        wx.TextDropTarget.__init__(self)

    60

        self.ParentWindow = parent

    61

    62

    def OnDropText(self, x, y, data):

    63

        x, y = self.ParentWindow.CalcUnscrolledPosition(x, y)

    64

        values = eval(data)

    65

        if values[1] == "program":

    66

            message = wx.MessageDialog(self.ParentWindow, "Programs can't be used by other POUs!", "Error", wx.OK|wx.ICON_ERROR)

    67

            message.ShowModal()

    68

            message.Destroy()

    69

        elif values[1] in ["function", "functionBlock", "program"]:

    70

            name, type = self.ParentWindow.Controler.GetEditedElementType(self.ParentWindow.GetTagName())

    71

            if name == values[0]:

    72

                message = wx.MessageDialog(self.ParentWindow, "\"%s\" can't use itself!"%name, "Error", wx.OK|wx.ICON_ERROR)

    73

                message.ShowModal()

    74

                message.Destroy()

    75

            elif type == "function" and values[1] != "function":

    76

                message = wx.MessageDialog(self.ParentWindow, "Function Blocks can't be used by Functions!", "Error", wx.OK|wx.ICON_ERROR)

    77

                message.ShowModal()

    78

                message.Destroy()

    79

            elif self.ParentWindow.Controler.PouIsUsedBy(name, values[0]):

    80

                message = wx.MessageDialog(self.ParentWindow, "\"%s\" is already used by \"%s\"!"%(name, values[0]), "Error", wx.OK|wx.ICON_ERROR)

    81

                message.ShowModal()

    82

                message.Destroy()

    83

            else:

    84

                blockname = values[2]

    85

                if values[1] != "function" and blockname == "":

    86

                    dialog = wx.TextEntryDialog(self.ParentWindow, "Block name", "Please enter a block name", "", wx.OK|wx.CANCEL|wx.CENTRE)

    87

                    if dialog.ShowModal():

    88

                        blockname = dialog.GetValue()

    89

                    dialog.Destroy()

    90

                id = self.ParentWindow.GetNewId()

    91

                block = FBD_Block(self.ParentWindow, values[0], blockname, id)

    92

                block.SetPosition(x, y)

    93

                width, height = block.GetMinSize()

    94

                block.SetSize(width, height)

    95

                self.ParentWindow.AddBlock(block)

    96

                self.ParentWindow.Controler.AddEditedElementBlock(self.ParentWindow.GetTagName(), id, values[0], blockname)

    97

                self.ParentWindow.RefreshBlockModel(block)

    98

                self.ParentWindow.RefreshBuffer()

    99

                self.ParentWindow.RefreshScrollBars()

   100

                self.ParentWindow.ParentWindow.RefreshEditor()

   101

                self.ParentWindow.Refresh()

   102

        elif values[1] != "location":

   103

            if values[3] == self.ParentWindow.GetTagName():

   104

                id = self.ParentWindow.GetNewId()

   105

                if values[1] == "Output":

   106

                    var_type = OUTPUT

   107

                elif values[1] == "InOut":

   108

                    var_type = INPUT

   109

                else:

   110

                    var_type = INPUT

   111

                variable = FBD_Variable(self.ParentWindow, var_type, values[0], values[2], id)

   112

                variable.SetPosition(x, y)

   113

                width, height = variable.GetMinSize()

   114

                variable.SetSize(width, height)

   115

                self.ParentWindow.AddBlock(variable)

   116

                self.ParentWindow.Controler.AddEditedElementVariable(self.ParentWindow.TagName, id, var_type)

   117

                self.ParentWindow.RefreshVariableModel(variable)

   118

                self.ParentWindow.RefreshBuffer()

   119

                self.ParentWindow.RefreshScrollBars()

   120

                self.ParentWindow.Refresh()

   121

            else:

   122

                message = wx.MessageDialog(self.ParentWindow, "Variable don't belong to this POU!", "Error", wx.OK|wx.ICON_ERROR)

   123

                message.ShowModal()

   124

                message.Destroy()

   125

   126

if wx.VERSION >= (2, 8, 0):

   127

    import wx.aui

   128

   129

    class MDIViewer(wx.aui.AuiMDIChildFrame):

   130

        def __init__(self, parent, tagname, window, controler):

   131

            wx.aui.AuiMDIChildFrame.__init__(self, parent, -1, title = "")

   132

   133

            sizer = wx.BoxSizer(wx.HORIZONTAL)

   134

   135

            self.Viewer = Viewer(self, tagname, window, controler)

   136

   137

            sizer.AddWindow(self.Viewer, 1, border=0, flag=wx.GROW)

   138

   139

            self.SetSizer(sizer)

   140

   141

        def GetViewer(self):

   142

            return self.Viewer

   143

   144

"""

   145

Class that implements a Viewer based on a wx.ScrolledWindow for drawing and 

   146

manipulating graphic elements

   147

"""

   148

   149

class Viewer(wx.ScrolledWindow):

   150

   151

    if wx.VERSION < (2, 6, 0):

   152

        def Bind(self, event, function, id = None):

   153

            if id is not None:

   154

                event(self, id, function)

   155

            else:

   156

                event(self, function)

   157

   158

    # Create Contextual Menu items

   159

    def _init_coll_ContextualMenu_Items(self, parent):

   160

        # Create menu items

   161

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS0,

   162

              kind=wx.ITEM_RADIO, text=u'No Modifier')

   163

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS1,

   164

              kind=wx.ITEM_RADIO, text=u'Negated')

   165

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS2,

   166

              kind=wx.ITEM_RADIO, text=u'Rising Edge')

   167

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS3,

   168

              kind=wx.ITEM_RADIO, text=u'Falling Edge')

   169

        parent.AppendSeparator()

   170

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS5,

   171

              kind=wx.ITEM_NORMAL, text=u'Add Wire Segment')

   172

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS6,

   173

              kind=wx.ITEM_NORMAL, text=u'Delete Wire Segment')

   174

        parent.AppendSeparator()

   175

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS8,

   176

              kind=wx.ITEM_NORMAL, text=u'Add Divergence Branch')

   177

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS9,

   178

              kind=wx.ITEM_NORMAL, text=u'Delete Divergence Branch')

   179

        parent.AppendSeparator()

   180

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS11,

   181

              kind=wx.ITEM_NORMAL, text=u'Clear Execution Order')

   182

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS12,

   183

              kind=wx.ITEM_NORMAL, text=u'Reset Execution Order')

   184

        parent.AppendSeparator()

   185

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS14,

   186

              kind=wx.ITEM_NORMAL, text=u'Edit Block')

   187

        AppendMenu(parent, help='', id=ID_FBDVIEWERCONTEXTUALMENUITEMS15,

   188

              kind=wx.ITEM_NORMAL, text=u'Delete')

   189

        # Link menu event to corresponding called functions

   190

        self.Bind(wx.EVT_MENU, self.OnNoModifierMenu,

   191

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS0)

   192

        self.Bind(wx.EVT_MENU, self.OnNegatedMenu,

   193

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS1)

   194

        self.Bind(wx.EVT_MENU, self.OnRisingEdgeMenu,

   195

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS2)

   196

        self.Bind(wx.EVT_MENU, self.OnFallingEdgeMenu,

   197

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS3)

   198

        self.Bind(wx.EVT_MENU, self.OnAddSegmentMenu,

   199

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS5)

   200

        self.Bind(wx.EVT_MENU, self.OnDeleteSegmentMenu,

   201

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS6)

   202

        self.Bind(wx.EVT_MENU, self.OnAddBranchMenu,

   203

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS8)

   204

        self.Bind(wx.EVT_MENU, self.OnDeleteBranchMenu,

   205

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS9)

   206

        self.Bind(wx.EVT_MENU, self.OnClearExecutionOrderMenu,

   207

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS11)

   208

        self.Bind(wx.EVT_MENU, self.OnResetExecutionOrderMenu,

   209

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS12)

   210

        self.Bind(wx.EVT_MENU, self.OnEditBlockMenu,

   211

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS14)

   212

        self.Bind(wx.EVT_MENU, self.OnDeleteMenu,

   213

              id=ID_FBDVIEWERCONTEXTUALMENUITEMS15)

   214

   215

    # Create and initialize Contextual Menu

   216

    def _init_menus(self):

   217

        self.ContextualMenu = wx.Menu(title='')

   218

   219

        self._init_coll_ContextualMenu_Items(self.ContextualMenu)

   220

   221

    # Create a new Viewer

   222

    def __init__(self, parent, tagname, window, controler):

   223

        wx.ScrolledWindow.__init__(self, parent, pos=wx.Point(0, 0), size=wx.Size(0, 0), 

   224

            style=wx.SUNKEN_BORDER | wx.HSCROLL | wx.VSCROLL)

   225

        self._init_menus()

   226

        # Adding a rubberband to Viewer

   227

        self.rubberBand = RubberBand(drawingSurface=self)

   228

        self.SetBackgroundColour(wx.Colour(255,255,255))

   229

        self.ResetView()

   230

        self.Scaling = None

   231

        #self.Scaling = (8, 8)

   232

        self.DrawGrid = True

   233

        self.current_id = 0

   234

        self.TagName = tagname

   235

   236

        # Initialize Block, Wire and Comment numbers

   237

        self.block_id = self.wire_id = self.comment_id = 0

   238

   239

        # Initialize Viewer mode to Selection mode

   240

        self.Mode = MODE_SELECTION

   241

        self.SavedMode = False

   242

        self.CurrentLanguage = "FBD"

   243

   244

        self.ParentWindow = window

   245

        self.Controler = controler

   246

   247

        self.SetDropTarget(ViewerDropTarget(self))

   248

   249

        # Link Viewer event to corresponding methods

   250

        self.Bind(wx.EVT_PAINT, self.OnPaint)

   251

        self.Bind(wx.EVT_LEFT_DOWN, self.OnViewerLeftDown)

   252

        self.Bind(wx.EVT_LEFT_UP, self.OnViewerLeftUp)

   253

        self.Bind(wx.EVT_LEFT_DCLICK, self.OnViewerLeftDClick)

   254

        self.Bind(wx.EVT_RIGHT_UP, self.OnViewerRightUp)

   255

        self.Bind(wx.EVT_MOTION, self.OnViewerMotion)

   256

        self.Bind(wx.EVT_CHAR, self.OnChar)

   257

        if wx.VERSION < (2, 7, 0):

   258

            self.Bind(wx.EVT_SCROLLWIN, self.OnMoveWindow)

   259

            self.Bind(wx.EVT_SIZE, self.OnMoveWindow)

   260

   261

    def SetTagName(self, tagname):

   262

        self.TagName = tagname

   263

   264

    def GetTagName(self):

   265

        return self.TagName

   266

   267

    def IsViewing(self, tagname):

   268

        return self.TagName == tagname

   269

   270

    # Returns a new id

   271

    def GetNewId(self):

   272

        self.current_id += 1

   273

        return self.current_id

   274

   275

    # Destructor

   276

    def __del__(self):

   277

        self.ResetView()

   278

   279

    def GetLogicalDC(self, buffered=False):

   280

        if buffered:

   281

            dc = wx.BufferedPaintDC(self)

   282

        else:

   283

            dc = wx.ClientDC(self)

   287

            dc.SetFont(wx.NORMAL_FONT)

   288

        if wx.VERSION >= (2, 6, 0):

   289

            self.DoPrepareDC(dc)

   290

        else:

   291

            self.PrepareDC(dc)

   292

        return dc

   293

   294

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

   295

#                         Element management functions

   296

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

   297

   298

    def AddBlock(self, block):

   299

        self.block_id += 1

   300

        self.Blocks[block] = self.block_id

   301

   302

    def AddWire(self, wire):

   303

        self.wire_id += 1

   304

        self.Wires[wire] = self.wire_id

   305

   306

    def AddComment(self, comment):

   307

        self.comment_id += 1

   308

        self.Comments[comment] = self.comment_id

   309

   310

    def IsBlock(self, block):

   311

        return self.Blocks.get(block, False)

   312

   313

    def IsWire(self, wire):

   314

        return self.Wires.get(wire, False)

   315

   316

    def IsComment(self, comment):

   317

        return self.Comments.get(comment, False)

   318

   319

    def RemoveBlock(self, block):

   320

        self.Blocks.pop(block)

   321

   322

    def RemoveWire(self, wire):

   323

        self.Wires.pop(wire)

   324

   325

    def RemoveComment(self, comment):

   326

        self.Comments.pop(comment)

   327

   328

    def GetElements(self, sort_blocks=False, sort_wires=False, sort_comments=False):

   329

        blocks = self.Blocks.keys()

   330

        wires = self.Wires.keys()

   331

        comments = self.Comments.keys()

   332

        if sort_blocks:

   333

            blocks.sort(lambda x,y:self.Blocks[x].__cmp__(self.Blocks[y]))

   334

        if sort_wires:

   335

            wires.sort(lambda x,y:self.Wires[x].__cmp__(self.Wires[y]))

   336

        if sort_comments:

   337

            comments.sort(lambda x,y:self.Comments[x].__cmp__(self.Comments[y]))

   338

        return blocks + wires + comments

   339

   340

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

   341

#                              Reset functions

   342

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

   343

   344

    # Resets Viewer lists

   345

    def ResetView(self):

   346

        self.Blocks = {}

   347

        self.Wires = {}

   348

        self.Comments = {}

   349

        self.SelectedElement = None

   350

   351

    # Remove all elements

   352

    def CleanView(self):

   353

        for block in self.Blocks.keys():

   354

            block.Clean()

   355

        self.ResetView()

   356

   357

    # Changes Viewer mode

   358

    def SetMode(self, mode):

   359

        if self.Mode != mode or mode == MODE_SELECTION:

   360

            self.Mode = mode

   361

            self.SavedMode = False

   362

        else:

   363

            self.SavedMode = True

   364

        # Reset selection

   365

        if self.Mode != MODE_SELECTION and self.SelectedElement:

   366

            self.SelectedElement.SetSelected(False)

   367

            self.SelectedElement = None

   368

            self.Refresh(False)

   369

   370

    # Return current drawing mode

   371

    def GetDrawingMode(self):

   372

        return self.ParentWindow.GetDrawingMode()

   373

   374

    # Buffer the last model state

   375

    def RefreshBuffer(self):

   376

        self.Controler.BufferProject()

   377

        self.ParentWindow.RefreshTitle()

   378

        self.ParentWindow.RefreshEditMenu()

   379

   380

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

   381

#                          Refresh functions

   382

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

   383

   384

    def ResetBuffer(self):

   385

        pass

   386

   387

    # Refresh Viewer elements

   388

    def RefreshView(self):

   389

        self.current_id = 0

   390

        # Start by reseting Viewer

   391

        self.ResetView()

   392

        instance = True

   393

        # List of ids of already loaded blocks

   394

        ids = []

   395

        # Load Blocks until they are all loaded

   396

        while instance:

   397

            instance = self.Controler.GetEditedElementInstanceInfos(self.TagName, exclude=ids)

   398

            if instance:

   399

                self.loadInstance(instance, ids)

   400

        self.RefreshScrollBars()

   401

   402

        to_delete = []

   403

        for wire in self.Wires:

   404

            if not wire.IsConnectedCompatible():

   405

                to_delete.append(wire)

   406

        for wire in to_delete:

   407

            wire.Delete()

   408

   409

        self.Refresh(False)

   410

   411

    def RefreshScrollBars(self):

   412

        xstart, ystart = self.GetViewStart()

   413

        window_size = self.GetClientSize()

   414

        maxx = maxy = 0

   415

        for element in self.GetElements():

   416

            posx, posy = element.GetPosition()

   417

            width, height = element.GetSize()

   418

            maxx = max(maxx, posx + width)

   419

            maxy = max(maxy, posy + height)

   420

        maxx = max(maxx + WINDOW_BORDER, xstart * SCROLLBAR_UNIT + window_size[0])

   421

        maxy = max(maxy + WINDOW_BORDER, ystart * SCROLLBAR_UNIT + window_size[1])

   422

        if self.rubberBand.IsShown():

   423

            extent = self.rubberBand.GetCurrentExtent()

   424

            maxx = max(maxx, extent.x + extent.width)

   425

            maxy = max(maxy, extent.y + extent.height)

   426

        self.SetScrollbars(SCROLLBAR_UNIT, SCROLLBAR_UNIT, 

   427

            maxx / SCROLLBAR_UNIT, maxy / SCROLLBAR_UNIT, xstart, ystart, True)

   428

   429

    # Load instance from given informations

   430

    def loadInstance(self, instance, ids):

   431

        ids.append(instance["id"])

   432

        self.current_id = max(self.current_id, instance["id"]) 

   433

        if instance["type"] == "input":

   434

            variable = FBD_Variable(self, INPUT, instance["name"], instance["value_type"], instance["id"], instance["executionOrder"])

   435

            variable.SetPosition(instance["x"], instance["y"])

   436

            variable.SetSize(instance["width"], instance["height"])

   437

            self.AddBlock(variable)

   438

            connectors = variable.GetConnectors()

   439

            connectors["output"].SetPosition(wx.Point(*instance["connector"]["position"]))

   440

            if instance["connector"]["negated"]:

   441

                connectors["output"].SetNegated(True)

   442

            if instance["connector"]["edge"]:

   443

                connectors["output"].SetEdge(instance["connector"]["edge"])

   444

        elif instance["type"] == "output":

   445

            variable = FBD_Variable(self, OUTPUT, instance["name"], instance["value_type"], instance["id"], instance["executionOrder"])

   446

            variable.SetPosition(instance["x"], instance["y"])

   447

            variable.SetSize(instance["width"], instance["height"])

   448

            self.AddBlock(variable)

   449

            connectors = variable.GetConnectors()

   450

            connectors["input"].SetPosition(wx.Point(*instance["connector"]["position"]))

   451

            if instance["connector"]["negated"]:

   452

                connectors["input"].SetNegated(True)

   453

            if instance["connector"]["edge"]:

   454

                connectors["input"].SetEdge(instance["connector"]["edge"])

   455

            self.CreateWires(connectors["input"], instance["connector"]["links"], ids)

   456

        elif instance["type"] == "inout":

   457

            variable = FBD_Variable(self, INOUT, instance["name"], instance["value_type"], instance["id"], instance["executionOrder"])

   458

            variable.SetPosition(instance["x"], instance["y"])

   459

            variable.SetSize(instance["width"], instance["height"])

   460

            self.AddBlock(variable)

   461

            connectors = variable.GetConnectors()

   462

            connectors["output"].SetPosition(wx.Point(*instance["connectors"]["output"]["position"]))

   463

            connectors["input"].SetPosition(wx.Point(*instance["connectors"]["input"]["position"]))

   464

            if instance["connectors"]["output"]["negated"]:

   465

                connectors["output"].SetNegated(True)

   466

            if instance["connectors"]["output"]["edge"]:

   467

                connectors["output"].SetEdge(instance["connectors"]["output"]["edge"])

   468

            if instance["connectors"]["input"]["negated"]:

   469

                connectors["input"].SetNegated(True)

   470

            if instance["connectors"]["input"]["edge"]:

   471

                connectors["input"].SetEdge(instance["connectors"]["input"]["edge"])

   472

            self.CreateWires(connectors["input"], instance["connectors"]["input"]["links"], ids)

   473

        elif instance["type"] == "continuation":

   474

            connection = FBD_Connector(self, CONTINUATION, instance["name"], instance["id"])

   475

            connection.SetPosition(instance["x"], instance["y"])

   476

            connection.SetSize(instance["width"], instance["height"])

   477

            self.AddBlock(connection)

   478

            connector = connection.GetConnector()

   479

            connector.SetPosition(wx.Point(*instance["connector"]["position"]))

   480

        elif instance["type"] == "connection":

   481

            connection = FBD_Connector(self, CONNECTOR, instance["name"], instance["id"])

   482

            connection.SetPosition(instance["x"], instance["y"])

   483

            connection.SetSize(instance["width"], instance["height"])

   484

            self.AddBlock(connection)

   485

            connector = connection.GetConnector()

   486

            connector.SetPosition(wx.Point(*instance["connector"]["position"]))

   487

            self.CreateWires(connector, instance["connector"]["links"], ids)

   488

        elif instance["type"] == "comment":

   489

            comment = Comment(self, instance["content"], instance["id"])

   490

            comment.SetPosition(instance["x"], instance["y"])

   491

            comment.SetSize(instance["width"], instance["height"])

   492

            self.AddComment(comment)

   493

        elif instance["type"] == "leftPowerRail":

   494

            leftpowerrail = LD_PowerRail(self, LEFTRAIL, instance["id"], [True for i in range(len(instance["connectors"]))])

   495

            leftpowerrail.SetPosition(instance["x"], instance["y"])

   496

            leftpowerrail.SetSize(instance["width"], instance["height"])