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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 math

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import time

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from types import TupleType

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from threading import Lock

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import wx

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from plcopen.structures import *

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from PLCControler import ITEM_POU, ITEM_PROGRAM, ITEM_FUNCTIONBLOCK

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from dialogs import *

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from graphics import *

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from controls import EditorPanel

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SCROLLBAR_UNIT = 10

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WINDOW_BORDER = 10

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SCROLL_ZONE = 10

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CURSORS = None

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def ResetCursors():

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    global CURSORS

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    if CURSORS == None:

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        CURSORS = [wx.NullCursor, 

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                   wx.StockCursor(wx.CURSOR_HAND),

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                   wx.StockCursor(wx.CURSOR_SIZENWSE),

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                   wx.StockCursor(wx.CURSOR_SIZENESW),

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                   wx.StockCursor(wx.CURSOR_SIZEWE),

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                   wx.StockCursor(wx.CURSOR_SIZENS)]

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

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

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

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    else:

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

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if wx.Platform == '__WXMSW__':

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

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              'mono' : 'Courier New',

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              'helv' : 'Arial',

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              'other': 'Comic Sans MS',

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              'size' : 10,

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             }

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else:

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    faces = { 'times': 'Times',

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              'mono' : 'Courier',

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              'helv' : 'Helvetica',

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              'other': 'new century schoolbook',

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              'size' : 12,

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             }

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

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def GetVariableCreationFunction(variable_type):

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    def variableCreationFunction(viewer, id, specific_values):

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        return FBD_Variable(viewer, variable_type, 

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                                    specific_values["name"], 

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                                    specific_values["value_type"], 

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                                    id,

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                                    specific_values["executionOrder"])

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    return variableCreationFunction

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def GetConnectorCreationFunction(connector_type):

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    def connectorCreationFunction(viewer, id, specific_values):

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        return FBD_Connector(viewer, connector_type, 

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                                     specific_values["name"], id)

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    return connectorCreationFunction

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def commentCreationFunction(viewer, id, specific_values):

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

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def GetPowerRailCreationFunction(powerrail_type):

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    def powerRailCreationFunction(viewer, id, specific_values):

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        return LD_PowerRail(viewer, powerrail_type, id, 

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                                    specific_values["connectors"])

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    return powerRailCreationFunction

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

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                 (False, "rising"): CONTACT_RISING,

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                 (False, "falling"): CONTACT_FALLING}

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def contactCreationFunction(viewer, id, specific_values):

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

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

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                                     CONTACT_NORMAL)

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

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

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

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

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

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

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def coilCreationFunction(viewer, id, specific_values):

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

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

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

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                               COIL_NORMAL)

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

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def stepCreationFunction(viewer, id, specific_values):

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

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

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

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        step.AddAction()

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        connector = step.GetActionConnector()

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

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    return step

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def transitionCreationFunction(viewer, id, specific_values):

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

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                                        specific_values.get("condition", None), 

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                                        specific_values["priority"], id)

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    return transition

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def GetDivergenceCreationFunction(divergence_type):

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    def divergenceCreationFunction(viewer, id, specific_values):

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        return SFC_Divergence(viewer, divergence_type, 

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                                      specific_values["connectors"], id)

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    return divergenceCreationFunction

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def jumpCreationFunction(viewer, id, specific_values):

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

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def actionBlockCreationFunction(viewer, id, specific_values):

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

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ElementCreationFunctions = {

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    "input": GetVariableCreationFunction(INPUT),

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    "output": GetVariableCreationFunction(OUTPUT),

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    "inout": GetVariableCreationFunction(INOUT),

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    "connector": GetConnectorCreationFunction(CONNECTOR),

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    "continuation": GetConnectorCreationFunction(CONTINUATION),

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    "comment": commentCreationFunction,

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    "leftPowerRail": GetPowerRailCreationFunction(LEFTRAIL),

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    "rightPowerRail": GetPowerRailCreationFunction(RIGHTRAIL),

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    "contact": contactCreationFunction,

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    "coil": coilCreationFunction,

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    "step": stepCreationFunction, 

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    "transition": transitionCreationFunction,

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    "selectionDivergence": GetDivergenceCreationFunction(SELECTION_DIVERGENCE), 

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    "selectionConvergence": GetDivergenceCreationFunction(SELECTION_CONVERGENCE), 

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    "simultaneousDivergence": GetDivergenceCreationFunction(SIMULTANEOUS_DIVERGENCE), 

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    "simultaneousConvergence": GetDivergenceCreationFunction(SIMULTANEOUS_CONVERGENCE), 

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    "jump": jumpCreationFunction,

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    "actionBlock": actionBlockCreationFunction,

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}

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

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#                       Graphic elements Viewer base class

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

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# ID Constants for alignment menu items

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[ID_VIEWERALIGNMENTMENUITEMS0, ID_VIEWERALIGNMENTMENUITEMS1,

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 ID_VIEWERALIGNMENTMENUITEMS2, ID_VIEWERALIGNMENTMENUITEMS4,

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 ID_VIEWERALIGNMENTMENUITEMS5, ID_VIEWERALIGNMENTMENUITEMS6,

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

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# ID Constants for contextual menu items

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[ID_VIEWERCONTEXTUALMENUITEMS0, ID_VIEWERCONTEXTUALMENUITEMS1,

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 ID_VIEWERCONTEXTUALMENUITEMS2, ID_VIEWERCONTEXTUALMENUITEMS3,

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 ID_VIEWERCONTEXTUALMENUITEMS5, ID_VIEWERCONTEXTUALMENUITEMS6,

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 ID_VIEWERCONTEXTUALMENUITEMS8, ID_VIEWERCONTEXTUALMENUITEMS9,

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 ID_VIEWERCONTEXTUALMENUITEMS11, ID_VIEWERCONTEXTUALMENUITEMS12,

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 ID_VIEWERCONTEXTUALMENUITEMS14, ID_VIEWERCONTEXTUALMENUITEMS16,

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 ID_VIEWERCONTEXTUALMENUITEMS17,

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

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class ViewerDropTarget(wx.TextDropTarget):

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    def __init__(self, parent):

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        wx.TextDropTarget.__init__(self)

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        self.ParentWindow = parent

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

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        tagname = self.ParentWindow.GetTagName()

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        pou_name, pou_type = self.ParentWindow.Controler.GetEditedElementType(tagname, self.ParentWindow.Debug)

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

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

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

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        scaling = self.ParentWindow.Scaling

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        message = None

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        try:

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            values = eval(data)

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        except:

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

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            values = None

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        if not isinstance(values, TupleType):

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

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            values = None

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        if values is not None:

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            if values[1] == "debug":

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                pass

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            elif values[1] == "program":

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

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

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                words = tagname.split("::")

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                if pou_name == values[0]:

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

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

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

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

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

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

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

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                else:

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                    blockname = values[2]

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                    if len(values) > 3:

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                        blockinputs = values[3]

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                    else:

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                        blockinputs = None

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

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

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

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

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

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                    else:

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                        id = self.ParentWindow.GetNewId()

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

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                        width, height = block.GetMinSize()

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                        if scaling is not None:

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

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

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

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

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                        block.SetPosition(x, y)

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                        block.SetSize(width, height)

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                        self.ParentWindow.AddBlock(block)

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

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                        self.ParentWindow.RefreshBlockModel(block)

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                        self.ParentWindow.RefreshBuffer()

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                        self.ParentWindow.RefreshScrollBars()

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                        self.ParentWindow.RefreshVisibleElements()

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                        self.ParentWindow.RefreshVariablePanel()

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                        self.ParentWindow.Refresh(False)

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            elif values[1] == "location":

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                if len(values) > 2 and pou_type == "program":

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                    var_name = values[3]

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

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

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                    else:

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                        if values[0][1] == "Q":

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                            var_class = OUTPUT

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                        else:

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                            var_class = INPUT

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                        if values[2] is not None:

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                            var_type = values[2]

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                        else:

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                            var_type = LOCATIONDATATYPES.get(values[0][2], ["BOOL"])[0]

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                        if not var_name.upper() in [name.upper() for name in self.ParentWindow.Controler.GetEditedElementVariables(tagname, self.ParentWindow.Debug)]:

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                            self.ParentWindow.Controler.AddEditedElementPouVar(tagname, var_type, var_name, values[0], values[4])

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                            self.ParentWindow.RefreshVariablePanel()

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                        self.ParentWindow.AddVariableBlock(x, y, scaling, var_class, var_name, var_type)

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            elif values[1] == "Global":

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                var_name = values[0]

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

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

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                else:

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                    if not var_name.upper() in [name.upper() for name in self.ParentWindow.Controler.GetEditedElementVariables(tagname, self.ParentWindow.Debug)]:

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                        self.ParentWindow.Controler.AddEditedElementPouExternalVar(tagname, values[2], var_name)

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                        self.ParentWindow.RefreshVariablePanel()

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                    self.ParentWindow.AddVariableBlock(x, y, scaling, INPUT, var_name, values[2])

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            elif values[3] == tagname:

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                if values[1] == "Output":

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                    var_class = OUTPUT

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                elif values[1] == "InOut":

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                    var_class = INPUT

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                else:

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                    var_class = INPUT

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

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                if tree is not None:

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                    if len(tree[0]) > 0:

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                        menu = wx.Menu(title='')

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

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                        self.ParentWindow.PopupMenuXY(menu)

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                    else:

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

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                else:

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

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            else:

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

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        if message is not None:

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            wx.CallAfter(self.ShowMessage, message)

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

   312

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

   313

            if base_path:

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

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            else:

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                child_path = child_name

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            if len(child_dimensions) > 0:

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

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                child_name += "[]"

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            new_id = wx.NewId()

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

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

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            if len(child_tree) > 0:

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                new_id = wx.NewId()

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                child_menu = wx.Menu(title='')

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

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

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

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        def AddVariableFunction(event):

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            self.ParentWindow.AddVariableBlock(x, y, scaling, var_class, var_name, var_type)

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        return AddVariableFunction

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    def ShowMessage(self, message):

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

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        message.ShowModal()

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        message.Destroy()

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"""

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

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manipulating graphic elements

   342

"""

   343

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class Viewer(EditorPanel, DebugViewer):

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   346

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

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

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            if id is not None:

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                event(self, id, function)

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            else:

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                event(self, function)

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    # Add list of menu items to the given menu

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    def AddMenuItems(self, menu, items):

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        for item in items:

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            if item is None:

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                menu.AppendSeparator()

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            else:

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                id, kind, text, help, callback = item

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                AppendMenu(menu, help=help, id=id, kind=kind, text=text)

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                # Link menu event to corresponding called functions

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                self.Bind(wx.EVT_MENU, callback, id=id)

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   364

    # Add Block Pin Menu items to the given menu

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    def AddBlockPinMenuItems(self, menu, connector):

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        [ID_NO_MODIFIER, ID_NEGATED, ID_RISING_EDGE, 

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         ID_FALLING_EDGE] = [wx.NewId() for i in xrange(4)]

   368

   369

        # Create menu items

   370

        self.AddMenuItems(menu, [

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            (ID_NO_MODIFIER, wx.ITEM_RADIO, _(u'No Modifier'), '', self.OnNoModifierMenu),

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            (ID_NEGATED, wx.ITEM_RADIO, _(u'Negated'), '', self.OnNegatedMenu),

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            (ID_RISING_EDGE, wx.ITEM_RADIO, _(u'Rising Edge'), '', self.OnRisingEdgeMenu),

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            (ID_FALLING_EDGE, wx.ITEM_RADIO, _(u'Falling Edge'), '', self.OnFallingEdgeMenu)])

   375

   376

        type = self.Controler.GetEditedElementType(self.TagName, self.Debug)

   377

        menu.Enable(ID_RISING_EDGE, type != "function")

   378

        menu.Enable(ID_FALLING_EDGE, type != "function")

   379

   380

        if connector.IsNegated():

   381

            menu.Check(ID_NEGATED, True)

   382

        elif connector.GetEdge() == "rising":

   383

            menu.Check(ID_RISING_EDGE, True)

   384

        elif connector.GetEdge() == "falling":

   385

            menu.Check(ID_FALLING_EDGE, True)

   386

        else:

   387

            menu.Check(ID_NO_MODIFIER, True)

   388

   389

    # Add Alignment Menu items to the given menu

   390

    def AddAlignmentMenuItems(self, menu):

   391

        [ID_ALIGN_LEFT, ID_ALIGN_CENTER, ID_ALIGN_RIGHT,

   392

         ID_ALIGN_TOP, ID_ALIGN_MIDDLE, ID_ALIGN_BOTTOM,

   393

        ] = [wx.NewId() for i in xrange(6)]

   394

   395

        # Create menu items

   396

        self.AddMenuItems(menu, [

   397

            (ID_ALIGN_LEFT, wx.ITEM_NORMAL, _(u'Left'), '', self.OnAlignLeftMenu),

   398

            (ID_ALIGN_CENTER, wx.ITEM_NORMAL, _(u'Center'), '', self.OnAlignCenterMenu), 

   399

            (ID_ALIGN_RIGHT, wx.ITEM_NORMAL, _(u'Right'), '', self.OnAlignRightMenu),

   400

            None,

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            (ID_ALIGN_TOP, wx.ITEM_NORMAL, _(u'Top'), '', self.OnAlignTopMenu), 

   402

            (ID_ALIGN_MIDDLE, wx.ITEM_NORMAL, _(u'Middle'), '', self.OnAlignMiddleMenu),

   403

            (ID_ALIGN_BOTTOM, wx.ITEM_NORMAL, _(u'Bottom'), '', self.OnAlignBottomMenu)])

   404

   405

    # Add Wire Menu items to the given menu

   406

    def AddWireMenuItems(self, menu, delete=False):

   407

        [ID_ADD_SEGMENT, ID_DELETE_SEGMENT] = [wx.NewId() for i in xrange(2)]

   408

   409

        # Create menu items

   410

        self.AddMenuItems(menu, [

   411

            (ID_ADD_SEGMENT, wx.ITEM_NORMAL, _(u'Add Wire Segment'), '', self.OnAddSegmentMenu),

   412

            (ID_DELETE_SEGMENT, wx.ITEM_NORMAL, _(u'Delete Wire Segment'), '', self.OnDeleteSegmentMenu)])

   413

   414

        menu.Enable(ID_DELETE_SEGMENT, delete)

   415

   416

    # Add Divergence Menu items to the given menu

   417

    def AddDivergenceMenuItems(self, menu, delete=False):

   418

        [ID_ADD_BRANCH, ID_DELETE_BRANCH] = [wx.NewId() for i in xrange(2)]

   419

   420

        # Create menu items

   421

        self.AddMenuItems(menu, [

   422

            (ID_ADD_BRANCH, wx.ITEM_NORMAL, _(u'Add Divergence Branch'), '', self.OnAddBranchMenu),

   423

            (ID_DELETE_BRANCH, wx.ITEM_NORMAL, _(u'Delete Divergence Branch'), '', self.OnDeleteBranchMenu)])

   424

   425

        menu.Enable(ID_DELETE_BRANCH, delete)

   426

   427

    # Add Add Menu items to the given menu

   428

    def AddAddMenuItems(self, menu):

   429

        [ID_ADD_BLOCK, ID_ADD_VARIABLE, ID_ADD_CONNECTION,

   430

         ID_ADD_COMMENT] = [wx.NewId() for i in xrange(4)]

   431

   432

        # Create menu items

   433

        self.AddMenuItems(menu, [

   434

            (ID_ADD_BLOCK, wx.ITEM_NORMAL, _(u'Block'), '', self.GetAddMenuCallBack(self.AddNewBlock)),

   435

            (ID_ADD_VARIABLE, wx.ITEM_NORMAL, _(u'Variable'), '', self.GetAddMenuCallBack(self.AddNewVariable)),

   436

            (ID_ADD_CONNECTION, wx.ITEM_NORMAL, _(u'Connection'), '', self.GetAddMenuCallBack(self.AddNewConnection)),

   437

            None])

   438

   439

        if self.CurrentLanguage != "FBD":

   440

            [ID_ADD_POWER_RAIL, ID_ADD_CONTACT, ID_ADD_COIL,

   441

            ] = [wx.NewId() for i in xrange(3)]

   442

   443

            # Create menu items

   444

            self.AddMenuItems(menu, [

   445

                (ID_ADD_POWER_RAIL, wx.ITEM_NORMAL, _(u'Power Rail'), '', self.GetAddMenuCallBack(self.AddNewPowerRail)),

   446

                (ID_ADD_CONTACT, wx.ITEM_NORMAL, _(u'Contact'), '', self.GetAddMenuCallBack(self.AddNewContact))])

   447

   448

            if self.CurrentLanguage != "SFC":

   449

                self.AddMenuItems(menu, [

   450

                     (ID_ADD_COIL, wx.ITEM_NORMAL, _(u'Coil'), '', self.GetAddMenuCallBack(self.AddNewCoil))])

   451

   452

            menu.AppendSeparator()

   453

   454

        if self.CurrentLanguage == "SFC":

   455

            [ID_ADD_INITIAL_STEP, ID_ADD_STEP, ID_ADD_TRANSITION, 

   456

             ID_ADD_ACTION_BLOCK, ID_ADD_DIVERGENCE, ID_ADD_JUMP,

   457

            ] = [wx.NewId() for i in xrange(6)]

   458

   459

            # Create menu items

   460

            self.AddMenuItems(menu, [

   461

                (ID_ADD_INITIAL_STEP, wx.ITEM_NORMAL, _(u'Initial Step'), '', self.GetAddMenuCallBack(self.AddNewStep, True)),

   462

                (ID_ADD_STEP, wx.ITEM_NORMAL, _(u'Step'), '', self.GetAddMenuCallBack(self.AddNewStep)),

   463

                (ID_ADD_TRANSITION, wx.ITEM_NORMAL, _(u'Transition'), '', self.GetAddMenuCallBack(self.AddNewTransition)),

   464

                (ID_ADD_ACTION_BLOCK, wx.ITEM_NORMAL, _(u'Action Block'), '', self.GetAddMenuCallBack(self.AddNewActionBlock)),

   465

                (ID_ADD_DIVERGENCE, wx.ITEM_NORMAL, _(u'Divergence'), '', self.GetAddMenuCallBack(self.AddNewDivergence)),

   466

                (ID_ADD_JUMP, wx.ITEM_NORMAL, _(u'Jump'), '', self.GetAddMenuCallBack(self.AddNewJump)),

   467

                None])

   468

   469

        self.AddMenuItems(menu, [

   470

             (ID_ADD_COMMENT, wx.ITEM_NORMAL, _(u'Comment'), '', self.GetAddMenuCallBack(self.AddNewComment))])

   471

   472

    # Add Default Menu items to the given menu

   473

    def AddDefaultMenuItems(self, menu, edit=False, block=False):

   474

        if block:

   475

            [ID_EDIT_BLOCK, ID_DELETE] = [wx.NewId() for i in xrange(2)]

   476

   477

            # Create menu items

   478

            self.AddMenuItems(menu, [

   479

                 (ID_EDIT_BLOCK, wx.ITEM_NORMAL, _(u'Edit Block'), '', self.OnEditBlockMenu),

   480

                 (ID_DELETE, wx.ITEM_NORMAL, _(u'Delete'), '', self.OnDeleteMenu)])

   481

   482

            menu.Enable(ID_EDIT_BLOCK, edit)

   483

   484

        else:

   485

            [ID_CLEAR_EXEC_ORDER, ID_RESET_EXEC_ORDER] = [wx.NewId() for i in xrange(2)]

   486

   487

            # Create menu items

   488

            self.AddMenuItems(menu, [

   489

                 (ID_CLEAR_EXEC_ORDER, wx.ITEM_NORMAL, _(u'Clear Execution Order'), '', self.OnClearExecutionOrderMenu),

   490

                 (ID_RESET_EXEC_ORDER, wx.ITEM_NORMAL, _(u'Reset Execution Order'), '', self.OnResetExecutionOrderMenu)])

   491

   492

            menu.AppendSeparator()