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 math

    26

    27

import wx

    28

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

    29

    USE_AUI = True

    30

else:

    31

    USE_AUI = False

    32

    33

from plcopen.structures import *

    34

from PLCControler import ITEM_POU

    35

    36

from dialogs import *

    37

from graphics import *

    38

    39

from types import TupleType

    40

    41

SCROLLBAR_UNIT = 10

    42

WINDOW_BORDER = 10

    43

SCROLL_ZONE = 10

    44

    45

CURSORS = None

    46

    47

def ResetCursors():

    48

    global CURSORS

    49

    if CURSORS == None:

    50

        CURSORS = [wx.NullCursor, 

    51

                   wx.StockCursor(wx.CURSOR_HAND),

    52

                   wx.StockCursor(wx.CURSOR_SIZENWSE),

    53

                   wx.StockCursor(wx.CURSOR_SIZENESW),

    54

                   wx.StockCursor(wx.CURSOR_SIZEWE),

    55

                   wx.StockCursor(wx.CURSOR_SIZENS)]

    56

    57

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

    58

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

    59

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

    60

    else:

    61

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

    62

    63

if wx.Platform == '__WXMSW__':

    64

    faces = { 'times': 'Times New Roman',

    65

              'mono' : 'Courier New',

    66

              'helv' : 'Arial',

    67

              'other': 'Comic Sans MS',

    68

              'size' : 20,

    69

             }

    70

else:

    71

    faces = { 'times': 'Times',

    72

              'mono' : 'Courier',

    73

              'helv' : 'Helvetica',

    74

              'other': 'new century schoolbook',

    75

              'size' : 20,

    76

             }

    77

    78

ZOOM_FACTORS = [math.sqrt(2) ** x for x in xrange(-6, 7)]

    79

    80

    81

def GetVariableCreationFunction(variable_type):

    82

    def variableCreationFunction(viewer, id, specific_values):

    83

        return FBD_Variable(viewer, variable_type, 

    84

                                    specific_values["name"], 

    85

                                    specific_values["value_type"], 

    86

                                    id,

    87

                                    specific_values["executionOrder"])

    88

    return variableCreationFunction

    89

    90

def GetConnectorCreationFunction(connector_type):

    91

    def connectorCreationFunction(viewer, id, specific_values):

    92

        return FBD_Connector(viewer, connector_type, 

    93

                                     specific_values["name"], id)

    94

    return connectorCreationFunction

    95

    96

def commentCreationFunction(viewer, id, specific_values):

    97

    return Comment(viewer, specific_values["content"], id)

    98

    99

def GetPowerRailCreationFunction(powerrail_type):

   100

    def powerRailCreationFunction(viewer, id, specific_values):

   101

        return LD_PowerRail(viewer, powerrail_type, id, 

   102

                                    specific_values["connectors"])

   103

    return powerRailCreationFunction

   104

   105

CONTACT_TYPES = {(True, "none"): CONTACT_REVERSE,

   106

                 (False, "rising"): CONTACT_RISING,

   107

                 (False, "falling"): CONTACT_FALLING}

   108

   109

def contactCreationFunction(viewer, id, specific_values):

   110

    contact_type = CONTACT_TYPES.get((specific_values.get("negated", False), 

   111

                                      specific_values.get("edge", "none")),

   112

                                     CONTACT_NORMAL)

   113

    return LD_Contact(viewer, contact_type, specific_values["name"], id)

   114

   115

COIL_TYPES = {(True, "none", "none"): COIL_REVERSE,

   116

              (False, "none", "set"): COIL_SET,

   117

              (False, "none", "reset"): COIL_RESET,

   118

              (False, "rising", "none"): COIL_RISING,

   119

              (False, "falling", "none"): COIL_FALLING}

   120

   121

def coilCreationFunction(viewer, id, specific_values):

   122

    coil_type = COIL_TYPES.get((specific_values.get("negated", False), 

   123

                                specific_values.get("edge", "none"),

   124

                                specific_values.get("storage", "none")),

   125

                               COIL_NORMAL)

   126

    return LD_Coil(viewer, coil_type, specific_values["name"], id)

   127

   128

def stepCreationFunction(viewer, id, specific_values):

   129

    step = SFC_Step(viewer, specific_values["name"], 

   130

                            specific_values.get("initial", False), id)

   131

    if specific_values.get("action", None):

   132

        step.AddAction()

   133

        connector = step.GetActionConnector()

   134

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

   135

    return step

   136

   137

def transitionCreationFunction(viewer, id, specific_values):

   138

    transition = SFC_Transition(viewer, specific_values["condition_type"], 

   139

                                        specific_values.get("condition", None), 

   140

                                        specific_values["priority"], id)

   141

    return transition

   142

   143

def GetDivergenceCreationFunction(divergence_type):

   144

    def divergenceCreationFunction(viewer, id, specific_values):

   145

        return SFC_Divergence(viewer, divergence_type, 

   146

                                      specific_values["connectors"], id)

   147

    return divergenceCreationFunction

   148

   149

def jumpCreationFunction(viewer, id, specific_values):

   150

    return SFC_Jump(viewer, specific_values["target"], id)

   151

   152

def actionBlockCreationFunction(viewer, id, specific_values):

   153

    return SFC_ActionBlock(viewer, specific_values["actions"], id)

   154

   155

ElementCreationFunctions = {

   156

    "input": GetVariableCreationFunction(INPUT),

   157

    "output": GetVariableCreationFunction(OUTPUT),

   158

    "inout": GetVariableCreationFunction(INOUT),

   159

    "connector": GetConnectorCreationFunction(CONNECTOR),

   160

    "continuation": GetConnectorCreationFunction(CONTINUATION),

   161

    "comment": commentCreationFunction,

   162

    "leftPowerRail": GetPowerRailCreationFunction(LEFTRAIL),

   163

    "rightPowerRail": GetPowerRailCreationFunction(RIGHTRAIL),

   164

    "contact": contactCreationFunction,

   165

    "coil": coilCreationFunction,

   166

    "step": stepCreationFunction, 

   167

    "transition": transitionCreationFunction,

   168

    "selectionDivergence": GetDivergenceCreationFunction(SELECTION_DIVERGENCE), 

   169

    "selectionConvergence": GetDivergenceCreationFunction(SELECTION_CONVERGENCE), 

   170

    "simultaneousDivergence": GetDivergenceCreationFunction(SIMULTANEOUS_DIVERGENCE), 

   171

    "simultaneousConvergence": GetDivergenceCreationFunction(SIMULTANEOUS_CONVERGENCE), 

   172

    "jump": jumpCreationFunction,

   173

    "actionBlock": actionBlockCreationFunction,

   174

}

   175

   176

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

   177

#                       Graphic elements Viewer base class

   178

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

   179

   180

# ID Constants for alignment menu items

   181

[ID_VIEWERALIGNMENTMENUITEMS0, ID_VIEWERALIGNMENTMENUITEMS1,

   182

 ID_VIEWERALIGNMENTMENUITEMS2, ID_VIEWERALIGNMENTMENUITEMS4,

   183

 ID_VIEWERALIGNMENTMENUITEMS5, ID_VIEWERALIGNMENTMENUITEMS6,

   184

] = [wx.NewId() for _init_coll_AlignmentMenu_Items in range(6)]

   185

   186

# ID Constants for contextual menu items

   187

[ID_VIEWERCONTEXTUALMENUITEMS0, ID_VIEWERCONTEXTUALMENUITEMS1,

   188

 ID_VIEWERCONTEXTUALMENUITEMS2, ID_VIEWERCONTEXTUALMENUITEMS3,

   189

 ID_VIEWERCONTEXTUALMENUITEMS5, ID_VIEWERCONTEXTUALMENUITEMS6,

   190

 ID_VIEWERCONTEXTUALMENUITEMS8, ID_VIEWERCONTEXTUALMENUITEMS9,

   191

 ID_VIEWERCONTEXTUALMENUITEMS11, ID_VIEWERCONTEXTUALMENUITEMS12,

   192

 ID_VIEWERCONTEXTUALMENUITEMS14, ID_VIEWERCONTEXTUALMENUITEMS16,

   193

 ID_VIEWERCONTEXTUALMENUITEMS17,

   194

] = [wx.NewId() for _init_coll_ContextualMenu_Items in range(13)]

   195

   196

   197

class ViewerDropTarget(wx.TextDropTarget):

   198

   199

    def __init__(self, parent):

   200

        wx.TextDropTarget.__init__(self)

   201

        self.ParentWindow = parent

   202

   203

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

   204

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

   205

        x = int(x / self.ParentWindow.ViewScale[0])

   206

        y = int(y / self.ParentWindow.ViewScale[1])

   207

        scaling = self.ParentWindow.Scaling

   208

        message = None

   209

        try:

   210

            values = eval(data)

   211

        except:

   212

            message = _("Invalid value \"%s\" for viewer block")%data

   213

            values = None

   214

        if not isinstance(values, TupleType):

   215

            message = _("Invalid value \"%s\" for viewer block")%data

   216

            values = None

   217

        if values is not None:

   218

            if values[1] == "debug":

   219

                pass

   220

            elif values[1] == "program":

   221

                message = _("Programs can't be used by other POUs!")

   222

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

   223

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

   224

                words = self.ParentWindow.TagName.split("::")

   225

                if name == values[0]:

   226

                    message = _("\"%s\" can't use itself!")%name

   227

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

   228

                    message = _("Function Blocks can't be used in Functions!")

   229

                elif words[0] == "T" and values[1] != "function":

   230

                    message = _("Function Blocks can't be used in Transitions!")

   231

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

   232

                    message = _("\"%s\" is already used by \"%s\"!")%(name, values[0])

   233

                else:

   234

                    blockname = values[2]

   235

                    if len(values) > 3:

   236

                        blockinputs = values[3]

   237

                    else:

   238

                        blockinputs = None

   239

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

   240

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

   241

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

   242

                            blockname = dialog.GetValue()

   243

                        else:

   244

                            return

   245

                        dialog.Destroy()

   246

                    if blockname.upper() in [name.upper() for name in self.ParentWindow.Controler.GetProjectPouNames(self.ParentWindow.Debug)]:

   247

                        message = _("\"%s\" pou already exists!")%blockname

   248

                    elif blockname.upper() in [name.upper() for name in self.ParentWindow.Controler.GetEditedElementVariables(self.ParentWindow.GetTagName(), self.ParentWindow.Debug)]:

   249

                        message = _("\"%s\" element for this pou already exists!")%blockname

   250

                    else:

   251

                        id = self.ParentWindow.GetNewId()

   252

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

   253

                        width, height = block.GetMinSize()

   254

                        if scaling is not None:

   255

                            x = round(float(x) / float(scaling[0])) * scaling[0]

   256

                            y = round(float(y) / float(scaling[1])) * scaling[1]

   257

                            width = round(float(width) / float(scaling[0]) + 0.5) * scaling[0]

   258

                            height = round(float(height) / float(scaling[1]) + 0.5) * scaling[1]

   259

                        block.SetPosition(x, y)

   260

                        block.SetSize(width, height)

   261

                        self.ParentWindow.AddBlock(block)

   262

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

   263

                        self.ParentWindow.RefreshBlockModel(block)

   264

                        self.ParentWindow.RefreshBuffer()

   265

                        self.ParentWindow.RefreshScrollBars()

   266

                        self.ParentWindow.RefreshVisibleElements()

   267

                        self.ParentWindow.ParentWindow.RefreshVariablePanel(self.ParentWindow.GetTagName())

   268

                        self.ParentWindow.Refresh(False)

   269

            elif values[1] != "location":

   270

                tagname = self.ParentWindow.GetTagName()

   271

                if values[3] == tagname:

   272

                    if values[1] == "Output":

   273

                        var_class = OUTPUT

   274

                    elif values[1] == "InOut":

   275

                        var_class = INPUT

   276

                    else:

   277

                        var_class = INPUT

   278

                    tree = dict([(var["Name"], var["Tree"]) for var in self.ParentWindow.Controler.GetEditedElementInterfaceVars(tagname, self.ParentWindow.Debug)]).get(values[0], None)

   279

                    if tree is not None:

   280

                        if len(tree[0]) > 0:

   281

                            menu = wx.Menu(title='')

   282

                            self.GenerateTreeMenu(x, y, scaling, menu, "", var_class, [(values[0], values[2], tree)])

   283

                            self.ParentWindow.PopupMenuXY(menu)

   284

                        else:

   285

                            self.AddParentVariableBlock(x, y, scaling, var_class, values[0], values[2])

   286

                    else:

   287

                        message = _("Unknown variable \"%s\" for this POU!") % values[0]

   288

                else:

   289

                    message = _("Variable don't belong to this POU!")

   290

        if message is not None:

   291

            wx.CallAfter(self.ShowMessage, message)

   292

   293

    def GenerateTreeMenu(self, x, y, scaling, menu, base_path, var_class, tree):

   294

        for child_name, child_type, (child_tree, child_dimensions) in tree:

   295

            if base_path:

   296

                child_path = "%s.%s" % (base_path, child_name)

   297

            else:

   298

                child_path = child_name

   299

            if len(child_dimensions) > 0:

   300

                child_path += "[%s]" % ",".join([str(dimension[0]) for dimension in child_dimensions])

   301

                child_name += "[]"

   302

            new_id = wx.NewId()

   303

            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=child_name)

   304

            self.ParentWindow.Bind(wx.EVT_MENU, self.GetAddVariableBlockFunction(x, y, scaling, var_class, child_path, child_type), id=new_id)

   305

            if len(child_tree) > 0:

   306

                new_id = wx.NewId()

   307

                child_menu = wx.Menu(title='')

   308

                self.GenerateTreeMenu(x, y, scaling, child_menu, child_path, var_class, child_tree)

   309

                menu.AppendMenu(new_id, "%s." % child_name, child_menu)

   310

   311

    def GetAddVariableBlockFunction(self, x, y, scaling, var_class, var_name, var_type):

   312

        def AddVariableFunction(event):

   313

            self.AddParentVariableBlock(x, y, scaling, var_class, var_name, var_type)

   314

        return AddVariableFunction

   315

   316

    def AddParentVariableBlock(self, x, y, scaling, var_class, var_name, var_type):

   317

        id = self.ParentWindow.GetNewId()

   318

        variable = FBD_Variable(self.ParentWindow, var_class, var_name, var_type, id)

   319

        width, height = variable.GetMinSize()

   320

        if scaling is not None:

   321

            x = round(float(x) / float(scaling[0])) * scaling[0]

   322

            y = round(float(y) / float(scaling[1])) * scaling[1]

   323

            width = round(float(width) / float(scaling[0]) + 0.5) * scaling[0]

   324

            height = round(float(height) / float(scaling[1]) + 0.5) * scaling[1]

   325

        variable.SetPosition(x, y)

   326

        variable.SetSize(width, height)

   327

        self.ParentWindow.AddBlock(variable)

   328

        self.ParentWindow.Controler.AddEditedElementVariable(self.ParentWindow.GetTagName(), id, var_class)

   329

        self.ParentWindow.RefreshVariableModel(variable)

   330

        self.ParentWindow.RefreshBuffer()

   331

        self.ParentWindow.RefreshScrollBars()

   332

        self.ParentWindow.RefreshVisibleElements()

   333

        self.ParentWindow.Refresh(False)

   334

   335

    def ShowMessage(self, message):

   336

        message = wx.MessageDialog(self.ParentWindow, message, _("Error"), wx.OK|wx.ICON_ERROR)

   337

        message.ShowModal()

   338

        message.Destroy()

   339

   340

   341

"""

   342

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

   343

manipulating graphic elements

   344

"""

   345

   346

class Viewer(wx.ScrolledWindow, DebugViewer):

   347

   348

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

   349

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

   350

            if id is not None:

   351

                event(self, id, function)

   352

            else:

   353

                event(self, function)

   354

   355

    # Create Alignment Menu items

   356

    def _init_coll_AlignmentMenu_Items(self, parent):

   357

        # Create menu items

   358

        AppendMenu(parent, help='', id=ID_VIEWERALIGNMENTMENUITEMS0,

   359

              kind=wx.ITEM_NORMAL, text=_(u'Left'))

   360

        AppendMenu(parent, help='', id=ID_VIEWERALIGNMENTMENUITEMS1,

   361

              kind=wx.ITEM_NORMAL, text=_(u'Center'))

   362

        AppendMenu(parent, help='', id=ID_VIEWERALIGNMENTMENUITEMS2,

   363

              kind=wx.ITEM_NORMAL, text=_(u'Right'))

   364

        parent.AppendSeparator()

   365

        AppendMenu(parent, help='', id=ID_VIEWERALIGNMENTMENUITEMS4,

   366

              kind=wx.ITEM_NORMAL, text=_(u'Top'))

   367

        AppendMenu(parent, help='', id=ID_VIEWERALIGNMENTMENUITEMS5,

   368

              kind=wx.ITEM_NORMAL, text=_(u'Middle'))

   369

        AppendMenu(parent, help='', id=ID_VIEWERALIGNMENTMENUITEMS6,

   370

              kind=wx.ITEM_NORMAL, text=_(u'Bottom'))

   371

        # Link menu event to corresponding called functions

   372

        self.Bind(wx.EVT_MENU, self.OnAlignLeftMenu,

   373

              id=ID_VIEWERALIGNMENTMENUITEMS0)

   374

        self.Bind(wx.EVT_MENU, self.OnAlignCenterMenu,

   375

              id=ID_VIEWERALIGNMENTMENUITEMS1)

   376

        self.Bind(wx.EVT_MENU, self.OnAlignRightMenu,

   377

              id=ID_VIEWERALIGNMENTMENUITEMS2)

   378

        self.Bind(wx.EVT_MENU, self.OnAlignTopMenu,

   379

              id=ID_VIEWERALIGNMENTMENUITEMS4)

   380

        self.Bind(wx.EVT_MENU, self.OnAlignMiddleMenu,

   381

              id=ID_VIEWERALIGNMENTMENUITEMS5)

   382

        self.Bind(wx.EVT_MENU, self.OnAlignBottomMenu,

   383

              id=ID_VIEWERALIGNMENTMENUITEMS6)

   384

   385

    # Create Contextual Menu items

   386

    def _init_coll_ContextualMenu_Items(self, parent):

   387

        # Create menu items

   388

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS0,

   389

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

   390

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS1,

   391

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

   392

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS2,

   393

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

   394

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS3,

   395

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

   396

        parent.AppendSeparator()

   397

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS5,

   398

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

   399

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS6,

   400

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

   401

        parent.AppendSeparator()

   402

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS8,

   403

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

   404

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS9,

   405

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

   406

        parent.AppendSeparator()

   407

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS11,

   408

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

   409

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS12,

   410

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

   411

        parent.AppendSeparator()

   412

        parent.AppendMenu(ID_VIEWERCONTEXTUALMENUITEMS14, _("Alignment"), self.AlignmentMenu)

   413

        parent.AppendSeparator()

   414

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS16,

   415

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

   416

        AppendMenu(parent, help='', id=ID_VIEWERCONTEXTUALMENUITEMS17,

   417

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

   418

        # Link menu event to corresponding called functions

   419

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

   420

              id=ID_VIEWERCONTEXTUALMENUITEMS0)

   421

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

   422

              id=ID_VIEWERCONTEXTUALMENUITEMS1)

   423

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

   424

              id=ID_VIEWERCONTEXTUALMENUITEMS2)

   425

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

   426

              id=ID_VIEWERCONTEXTUALMENUITEMS3)

   427

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

   428

              id=ID_VIEWERCONTEXTUALMENUITEMS5)

   429

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

   430

              id=ID_VIEWERCONTEXTUALMENUITEMS6)

   431

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

   432

              id=ID_VIEWERCONTEXTUALMENUITEMS8)

   433

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

   434

              id=ID_VIEWERCONTEXTUALMENUITEMS9)

   435

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

   436

              id=ID_VIEWERCONTEXTUALMENUITEMS11)

   437

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

   438

              id=ID_VIEWERCONTEXTUALMENUITEMS12)

   439

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

   440

              id=ID_VIEWERCONTEXTUALMENUITEMS16)

   441

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

   442

              id=ID_VIEWERCONTEXTUALMENUITEMS17)

   443

   444

    # Create and initialize Contextual Menu

   445

    def _init_menus(self):

   446

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

   447

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

   448

   449

        self._init_coll_AlignmentMenu_Items(self.AlignmentMenu)

   450

        self._init_coll_ContextualMenu_Items(self.ContextualMenu)

   451

   452

    # Create a new Viewer

   453

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

   454

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

   455

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

   456

        DebugViewer.__init__(self, controler, debug)

   457

        self._init_menus()

   458

        # Adding a rubberband to Viewer

   459

        self.rubberBand = RubberBand(drawingSurface=self)

   460

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

   461

        self.SetBackgroundStyle(wx.BG_STYLE_CUSTOM)

   462

        self.ResetView()

   463

        self.Scaling = None

   464

        self.DrawGrid = True

   465

        self.GridBrush = wx.TRANSPARENT_BRUSH

   466

        self.PageSize = None

   467

        self.PagePen = wx.TRANSPARENT_PEN

   468

        self.DrawingWire = False

   469

        self.current_id = 0

   470

        self.TagName = tagname

   471

        self.Errors = []

   472

        self.InstancePath = instancepath

   473

        self.StartMousePos = None

   474

        self.StartScreenPos = None

   475

   476

        # Initialize Cursors

   477

        ResetCursors()

   478

        self.CurrentCursor = 0

   479

   480

        # Initialize Block, Wire and Comment numbers

   481

        self.wire_id = 0

   482

   483

        # Initialize Viewer mode to Selection mode

   484

        self.Mode = MODE_SELECTION

   485

        self.SavedMode = False

   486

        self.CurrentLanguage = "FBD"

   487

   488

        self.ParentWindow = window