PLCOpenEditor.py
author laurent
Wed, 12 Oct 2011 15:08:47 +0200
changeset 575 a7c706b9492e
parent 571 79af7b821233
child 577 9dbb79722fbc
permissions -rw-r--r--
Adding hand tool icon in Toolbar for moving the view
#!/usr/bin/env python
# -*- coding: utf-8 -*-

#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
#based on the plcopen standard. 
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#General Public License for more details.
#
#You should have received a copy of the GNU General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from datetime import datetime
import wx, wx.grid

if wx.VERSION >= (2, 8, 0):
    import wx.aui
    USE_AUI = True
else:
    USE_AUI = False

import os, re, platform, sys, time, traceback, getopt
import cPickle

CWD = os.path.split(os.path.realpath(__file__))[0]
base_folder = os.path.split(CWD)[0]
sys.path.append(base_folder)
from docutils import *

from types import TupleType

__version__ = "$Revision: 1.130 $"

if __name__ == '__main__':
    # Usage message displayed when help request or when error detected in 
    # command line
    def usage():
        print "\nUsage of PLCOpenEditor.py :"
        print "\n   %s [Filepath]\n"%sys.argv[0]

    # Parse options given to PLCOpenEditor in command line
    try:
        opts, args = getopt.getopt(sys.argv[1:], "h", ["help"])
    except getopt.GetoptError:
        # print help information and exit:
        usage()
        sys.exit(2)
    
    # Extract if help has been requested
    for o, a in opts:
        if o in ("-h", "--help"):
            usage()
            sys.exit()
    
    # Extract the optional filename to open
    fileOpen = None
    if len(args) > 1:
        usage()
        sys.exit()
    elif len(args) == 1:
        fileOpen = args[0]
    
    # Create wxApp (Need to create App before internationalization because of
    # Windows) 
    app = wx.PySimpleApp()

# Import module for internationalization
import gettext
import __builtin__

# Get folder containing translation files
localedir = os.path.join(CWD,"locale")
# Get the default language
langid = wx.LANGUAGE_DEFAULT
# Define translation domain (name of translation files)
domain = "PLCOpenEditor"

# Define locale for wx
loc = __builtin__.__dict__.get('loc', None)
if loc is None:
    test_loc = wx.Locale(langid)
    test_loc.AddCatalogLookupPathPrefix(localedir)
    if test_loc.AddCatalog(domain):
        loc = wx.Locale(langid)
    else:
        loc = wx.Locale(wx.LANGUAGE_ENGLISH)
    __builtin__.__dict__['loc'] = loc
# Define location for searching translation files
loc.AddCatalogLookupPathPrefix(localedir)
# Define locale domain
loc.AddCatalog(domain)

if __name__ == '__main__':
    __builtin__.__dict__['_'] = wx.GetTranslation

from SFCViewer import *
from LDViewer import *
from Viewer import *
from TextViewer import *
from GraphicViewer import *
from RessourceEditor import *
from DataTypeEditor import *
from PLCControler import *
from VariablePanel import VariablePanel
from SearchResultPanel import SearchResultPanel

# Define PLCOpenEditor controls id
[ID_PLCOPENEDITOR, ID_PLCOPENEDITORLEFTNOTEBOOK, 
 ID_PLCOPENEDITORBOTTOMNOTEBOOK, ID_PLCOPENEDITORRIGHTNOTEBOOK, 
 ID_PLCOPENEDITORTYPESTREE, ID_PLCOPENEDITORINSTANCESTREE, 
 ID_PLCOPENEDITORMAINSPLITTER, ID_PLCOPENEDITORSECONDSPLITTER, 
 ID_PLCOPENEDITORTHIRDSPLITTER, ID_PLCOPENEDITORLIBRARYPANEL, 
 ID_PLCOPENEDITORLIBRARYTREE, ID_PLCOPENEDITORLIBRARYCOMMENT, 
 ID_PLCOPENEDITORTABSOPENED, ID_PLCOPENEDITORTABSOPENED,
 ID_PLCOPENEDITORTOOLBAR, ID_PLCOPENEDITORDEFAULTTOOLBAR, 
 ID_PLCOPENEDITORSFCTOOLBAR, ID_PLCOPENEDITORFBDTOOLBAR, 
 ID_PLCOPENEDITORLDTOOLBAR,
] = [wx.NewId() for _init_ctrls in range(19)]

# Define PLCOpenEditor FileMenu extra items id
[ID_PLCOPENEDITORFILEMENUGENERATE, 
] = [wx.NewId() for _init_coll_FileMenu_Items in range(1)]

# Define PLCOpenEditor EditMenu extra items id
[ID_PLCOPENEDITOREDITMENUENABLEUNDOREDO, ID_PLCOPENEDITOREDITMENUADDDATATYPE, 
 ID_PLCOPENEDITOREDITMENUADDFUNCTION, ID_PLCOPENEDITOREDITMENUADDFUNCTIONBLOCK, 
 ID_PLCOPENEDITOREDITMENUADDPROGRAM, ID_PLCOPENEDITOREDITMENUADDCONFIGURATION,
 ID_PLCOPENEDITOREDITMENUSEARCHINPROJECT, 
] = [wx.NewId() for _init_coll_EditMenu_Items in range(7)]


#-------------------------------------------------------------------------------
#                            ToolBars definitions
#-------------------------------------------------------------------------------

# Define PLCOpenEditor Toolbar items id
[ID_PLCOPENEDITORTOOLBARSELECTION, ID_PLCOPENEDITORTOOLBARCOMMENT,
 ID_PLCOPENEDITORTOOLBARVARIABLE, ID_PLCOPENEDITORTOOLBARBLOCK,
 ID_PLCOPENEDITORTOOLBARCONNECTION, ID_PLCOPENEDITORTOOLBARWIRE,
 ID_PLCOPENEDITORTOOLBARPOWERRAIL, ID_PLCOPENEDITORTOOLBARRUNG,
 ID_PLCOPENEDITORTOOLBARCOIL, ID_PLCOPENEDITORTOOLBARCONTACT,
 ID_PLCOPENEDITORTOOLBARBRANCH, ID_PLCOPENEDITORTOOLBARINITIALSTEP,
 ID_PLCOPENEDITORTOOLBARSTEP, ID_PLCOPENEDITORTOOLBARTRANSITION,
 ID_PLCOPENEDITORTOOLBARACTIONBLOCK, ID_PLCOPENEDITORTOOLBARDIVERGENCE,
 ID_PLCOPENEDITORTOOLBARJUMP, ID_PLCOPENEDITORTOOLBARMOTION, 
] = [wx.NewId() for _init_coll_DefaultToolBar_Items in range(18)]

# Define behaviour of each Toolbar item according to current POU body type 
# Informations meaning are in this order:
#  - Item is toggled
#  - PLCOpenEditor mode where item is displayed (could be more then one)
#  - Item id
#  - Item callback function name
#  - Item icon filename
#  - Item tooltip text
ToolBarItems = {
    "FBD" : [(True, FREEDRAWING_MODE|DRIVENDRAWING_MODE,
              ID_PLCOPENEDITORTOOLBARMOTION, "OnMotionTool",
              "move.png", _("Move the view")),
             (True, FREEDRAWING_MODE|DRIVENDRAWING_MODE,
              ID_PLCOPENEDITORTOOLBARCOMMENT, "OnCommentTool",
              "add_comment.png", _("Create a new comment")),
             (True, FREEDRAWING_MODE|DRIVENDRAWING_MODE,
              ID_PLCOPENEDITORTOOLBARVARIABLE, "OnVariableTool",
              "add_variable.png", _("Create a new variable")),
             (True, FREEDRAWING_MODE|DRIVENDRAWING_MODE,
              ID_PLCOPENEDITORTOOLBARBLOCK, "OnBlockTool",
              "add_block.png", _("Create a new block")),
             (True, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARCONNECTION, "OnConnectionTool", 
              "add_connection.png", _("Create a new connection"))],
    "LD"  : [((True, FREEDRAWING_MODE|DRIVENDRAWING_MODE,
              ID_PLCOPENEDITORTOOLBARMOTION, "OnMotionTool",
              "move.png", _("Move the view")),
             True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARCOMMENT, "OnCommentTool", 
              "add_comment.png", _("Create a new comment")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARPOWERRAIL, "OnPowerRailTool", 
              "add_powerrail.png", _("Create a new power rail")),
             (False, DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARRUNG, "OnRungTool", 
              "add_rung.png", _("Create a new rung")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARCOIL, "OnCoilTool", 
              "add_coil.png", _("Create a new coil")),
             (False, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARCONTACT, "OnContactTool", 
              "add_contact.png", _("Create a new contact")),
             (False, DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARBRANCH, "OnBranchTool", 
              "add_branch.png", _("Create a new branch")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARVARIABLE, "OnVariableTool", 
              "add_variable.png", _("Create a new variable")),
             (False, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARBLOCK, "OnBlockTool", 
              "add_block.png", _("Create a new block")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARCONNECTION, "OnConnectionTool", 
              "add_connection.png", _("Create a new connection"))],
    "SFC" : [(True, FREEDRAWING_MODE|DRIVENDRAWING_MODE,
              ID_PLCOPENEDITORTOOLBARMOTION, "OnMotionTool",
              "move.png", _("Move the view")),
             (True, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARCOMMENT, "OnCommentTool", 
              "add_comment.png", _("Create a new comment")),
             (True, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARINITIALSTEP, "OnInitialStepTool", 
              "add_initial_step.png", _("Create a new initial step")),
             (False, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARSTEP, "OnStepTool", 
              "add_step.png", _("Create a new step")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARTRANSITION, "OnTransitionTool", 
              "add_transition.png", _("Create a new transition")),
             (False, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARACTIONBLOCK, "OnActionBlockTool", 
              "add_action.png", _("Create a new action block")),
             (False, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARDIVERGENCE, "OnDivergenceTool", 
              "add_divergence.png", _("Create a new divergence")),
             (False, FREEDRAWING_MODE|DRIVENDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARJUMP, "OnJumpTool", 
              "add_jump.png", _("Create a new jump")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARVARIABLE, "OnVariableTool", 
              "add_variable.png", _("Create a new variable")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARBLOCK, "OnBlockTool", 
              "add_block.png", _("Create a new block")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARCONNECTION, "OnConnectionTool", 
              "add_connection.png", _("Create a new connection")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARPOWERRAIL, "OnPowerRailTool", 
              "add_powerrail.png", _("Create a new power rail")),
             (True, FREEDRAWING_MODE, 
              ID_PLCOPENEDITORTOOLBARCONTACT, "OnContactTool", 
              "add_contact.png", _("Create a new contact"))],
    "ST"  : [],
    "IL"  : []
}

#-------------------------------------------------------------------------------
#                               Helper Functions
#-------------------------------------------------------------------------------

# Compatibility function for wx versions < 2.6
def AppendMenu(parent, help, id, kind, text):
    if wx.VERSION >= (2, 6, 0):
        parent.Append(help=help, id=id, kind=kind, text=text)
    else:
        parent.Append(helpString=help, id=id, kind=kind, item=text)

[TITLE, TOOLBAR, FILEMENU, EDITMENU, DISPLAYMENU, TYPESTREE, 
 INSTANCESTREE, LIBRARYTREE, SCALING
] = range(9)

def GetShortcutKeyCallbackFunction(viewer_function):
    def ShortcutKeyFunction(self, event):
        control = self.FindFocus()
        if isinstance(control, (Viewer, TextViewer)):
            getattr(control, viewer_function)()
        elif isinstance(control, wx.TextCtrl):
            control.ProcessEvent(event)
    return ShortcutKeyFunction

def GetParentName(tree, item, parent_type):
    parent_item = tree.GetItemParent(item)
    parent_item_type = tree.GetPyData(parent_item)
    while parent_item_type != parent_type:
        parent_item = tree.GetItemParent(parent_item)
        parent_item_type = tree.GetPyData(parent_item)
    return tree.GetItemText(parent_item)

def GetDeleteElementFunction(remove_function, parent_type=None, check_function=None):
    def DeleteElementFunction(self, selected):
        name = self.TypesTree.GetItemText(selected)
        if check_function is None or not check_function(self.Controler, name):
            if parent_type is not None:
                parent_name = GetParentName(self.TypesTree, selected, parent_type)
                remove_function(self.Controler, parent_name, name)
            else:
                remove_function(self.Controler, name)
        else:
            self.ShowErrorMessage(_("\"%s\" is used by one or more POUs. It can't be removed!")%name)
    return DeleteElementFunction


#-------------------------------------------------------------------------------
#                              IDEFrame Base Class
#-------------------------------------------------------------------------------

UNEDITABLE_NAMES_DICT = dict([(_(name), name) for name in UNEDITABLE_NAMES])

class IDEFrame(wx.Frame):
    
    # Compatibility function for wx versions < 2.6
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def _init_coll_MenuBar_Menus(self, parent):
        parent.Append(menu=self.FileMenu, title=_(u'File'))
        parent.Append(menu=self.EditMenu, title=_(u'Edit'))
        parent.Append(menu=self.DisplayMenu, title=_(u'Display'))
        parent.Append(menu=self.HelpMenu, title=_(u'Help'))

    def _init_coll_FileMenu_Items(self, parent):
        pass
    
    def _init_coll_EditMenu_Items(self, parent):
        AppendMenu(parent, help='', id=wx.ID_UNDO,
              kind=wx.ITEM_NORMAL, text=_(u'Undo\tCTRL+Z'))
        AppendMenu(parent, help='', id=wx.ID_REDO,
              kind=wx.ITEM_NORMAL, text=_(u'Redo\tCTRL+Y'))
        #AppendMenu(parent, help='', id=ID_PLCOPENEDITOREDITMENUENABLEUNDOREDO,
        #      kind=wx.ITEM_CHECK, text=_(u'Enable Undo/Redo'))
        enable_undo_redo = _(u'Enable Undo/Redo') # Keeping text in translations for possible menu reactivation
        parent.AppendSeparator()
        AppendMenu(parent, help='', id=wx.ID_CUT,
              kind=wx.ITEM_NORMAL, text=_(u'Cut\tCTRL+X'))
        AppendMenu(parent, help='', id=wx.ID_COPY,
              kind=wx.ITEM_NORMAL, text=_(u'Copy\tCTRL+C'))
        AppendMenu(parent, help='', id=wx.ID_PASTE,
              kind=wx.ITEM_NORMAL, text=_(u'Paste\tCTRL+V'))
        parent.AppendSeparator()
        AppendMenu(parent, help='', id=ID_PLCOPENEDITOREDITMENUSEARCHINPROJECT,
              kind=wx.ITEM_NORMAL, text=_(u'Search in Project'))
        parent.AppendSeparator()
        addmenu = wx.Menu(title='')
        parent.AppendMenu(wx.ID_ADD, _("Add Element"), addmenu)
        AppendMenu(addmenu, help='', id=ID_PLCOPENEDITOREDITMENUADDDATATYPE,
              kind=wx.ITEM_NORMAL, text=_(u'Data Type'))
        AppendMenu(addmenu, help='', id=ID_PLCOPENEDITOREDITMENUADDFUNCTION,
              kind=wx.ITEM_NORMAL, text=_(u'Function'))
        AppendMenu(addmenu, help='', id=ID_PLCOPENEDITOREDITMENUADDFUNCTIONBLOCK,
              kind=wx.ITEM_NORMAL, text=_(u'Function Block'))
        AppendMenu(addmenu, help='', id=ID_PLCOPENEDITOREDITMENUADDPROGRAM,
              kind=wx.ITEM_NORMAL, text=_(u'Program'))
        AppendMenu(addmenu, help='', id=ID_PLCOPENEDITOREDITMENUADDCONFIGURATION,
              kind=wx.ITEM_NORMAL, text=_(u'Configuration'))
        AppendMenu(parent, help='', id=wx.ID_SELECTALL,
              kind=wx.ITEM_NORMAL, text=_(u'Select All\tCTRL+A'))
        AppendMenu(parent, help='', id=wx.ID_DELETE,
              kind=wx.ITEM_NORMAL, text=_(u'Delete'))
        self.Bind(wx.EVT_MENU, self.OnUndoMenu, id=wx.ID_UNDO)
        self.Bind(wx.EVT_MENU, self.OnRedoMenu, id=wx.ID_REDO)
        #self.Bind(wx.EVT_MENU, self.OnEnableUndoRedoMenu, id=ID_PLCOPENEDITOREDITMENUENABLEUNDOREDO)
        self.Bind(wx.EVT_MENU, self.OnCutMenu, id=wx.ID_CUT)
        self.Bind(wx.EVT_MENU, self.OnCopyMenu, id=wx.ID_COPY)
        self.Bind(wx.EVT_MENU, self.OnPasteMenu, id=wx.ID_PASTE)
        self.Bind(wx.EVT_MENU, self.OnSearchInProjectMenu, 
              id=ID_PLCOPENEDITOREDITMENUSEARCHINPROJECT)
        self.Bind(wx.EVT_MENU, self.OnAddDataTypeMenu,
              id=ID_PLCOPENEDITOREDITMENUADDDATATYPE)
        self.Bind(wx.EVT_MENU, self.GenerateAddPouFunction("function"),
              id=ID_PLCOPENEDITOREDITMENUADDFUNCTION)
        self.Bind(wx.EVT_MENU, self.GenerateAddPouFunction("functionBlock"),
              id=ID_PLCOPENEDITOREDITMENUADDFUNCTIONBLOCK)
        self.Bind(wx.EVT_MENU, self.GenerateAddPouFunction("program"),
              id=ID_PLCOPENEDITOREDITMENUADDPROGRAM)
        self.Bind(wx.EVT_MENU, self.OnAddConfigurationMenu,
              id=ID_PLCOPENEDITOREDITMENUADDCONFIGURATION)
        self.Bind(wx.EVT_MENU, self.OnSelectAllMenu, id=wx.ID_SELECTALL)
        self.Bind(wx.EVT_MENU, self.OnDeleteMenu, id=wx.ID_DELETE)

    def _init_coll_DisplayMenu_Items(self, parent):
        AppendMenu(parent, help='', id=wx.ID_REFRESH,
              kind=wx.ITEM_NORMAL, text=_(u'Refresh\tCTRL+R'))
        if self.EnableDebug:
            AppendMenu(parent, help='', id=wx.ID_CLEAR,
                  kind=wx.ITEM_NORMAL, text=_(u'Clear Errors\tCTRL+K'))
        parent.AppendSeparator()
        zoommenu = wx.Menu(title='')
        parent.AppendMenu(wx.ID_ZOOM_FIT, _("Zoom"), zoommenu)
        for idx, value in enumerate(ZOOM_FACTORS):
            new_id = wx.NewId()
            AppendMenu(zoommenu, help='', id=new_id,
                  kind=wx.ITEM_RADIO, text=str(int(round(value * 100))) + "%")
            self.Bind(wx.EVT_MENU, self.GenerateZoomFunction(idx), id=new_id)
        self.Bind(wx.EVT_MENU, self.OnRefreshMenu, id=wx.ID_REFRESH)
        if self.EnableDebug:
            self.Bind(wx.EVT_MENU, self.OnClearErrorsMenu, id=wx.ID_CLEAR)

    def _init_coll_HelpMenu_Items(self, parent):
        pass

    def _init_utils(self):
        self.MenuBar = wx.MenuBar()

        self.FileMenu = wx.Menu(title='')
        self.EditMenu = wx.Menu(title='')
        self.DisplayMenu = wx.Menu(title='')
        self.HelpMenu = wx.Menu(title='')
        
        self._init_coll_MenuBar_Menus(self.MenuBar)
        self._init_coll_FileMenu_Items(self.FileMenu)
        self._init_coll_EditMenu_Items(self.EditMenu)
        self._init_coll_DisplayMenu_Items(self.DisplayMenu)
        self._init_coll_HelpMenu_Items(self.HelpMenu)

    def _init_coll_MainLibrarySizer_Items(self, parent):
        parent.AddWindow(self.LibraryTree, 0, border=0, flag=wx.GROW)
        parent.AddSizer(self.LibraryComment, 0, border=0, flag=wx.GROW)

    def _init_coll_MainLibrarySizer_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(0)

    def _init_sizers(self):
        self.MainLibrarySizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)
        
        self._init_coll_MainLibrarySizer_Growables(self.MainLibrarySizer)
        self._init_coll_MainLibrarySizer_Items(self.MainLibrarySizer)
        
        self.LibraryPanel.SetSizer(self.MainLibrarySizer)
        
    def _init_ctrls(self, prnt):
        wx.Frame.__init__(self, id=ID_PLCOPENEDITOR, name='IDEFrame',
              parent=prnt, pos=wx.DefaultPosition, size=wx.Size(1000, 600),
              style=wx.DEFAULT_FRAME_STYLE)
        self._init_utils()
        self.SetClientSize(wx.Size(1000, 600))
        self.SetMenuBar(self.MenuBar)
        
        self.TabsImageList = wx.ImageList(31, 16)
        self.TabsImageListIndexes = {}
        
        #-----------------------------------------------------------------------
        #                          Creating main structure
        #-----------------------------------------------------------------------
        
        if USE_AUI:
            self.AUIManager = wx.aui.AuiManager(self)
            self.AUIManager.SetDockSizeConstraint(0.5, 0.5)
            self.Panes = {}
            
            self.LeftNoteBook = wx.aui.AuiNotebook(self, ID_PLCOPENEDITORLEFTNOTEBOOK,
                  style=wx.aui.AUI_NB_TOP|wx.aui.AUI_NB_TAB_SPLIT|wx.aui.AUI_NB_TAB_MOVE|
                        wx.aui.AUI_NB_SCROLL_BUTTONS|wx.aui.AUI_NB_TAB_EXTERNAL_MOVE)
            self.AUIManager.AddPane(self.LeftNoteBook, 
                  wx.aui.AuiPaneInfo().Caption(_("Project")).Left().Layer(1).
                  BestSize(wx.Size(300, 500)).CloseButton(False))
        
            self.BottomNoteBook = wx.aui.AuiNotebook(self, ID_PLCOPENEDITORBOTTOMNOTEBOOK,
                  style=wx.aui.AUI_NB_TOP|wx.aui.AUI_NB_TAB_SPLIT|wx.aui.AUI_NB_TAB_MOVE|
                        wx.aui.AUI_NB_SCROLL_BUTTONS|wx.aui.AUI_NB_TAB_EXTERNAL_MOVE)
            self.AUIManager.AddPane(self.BottomNoteBook, 
                  wx.aui.AuiPaneInfo().Bottom().Layer(0).
                  BestSize(wx.Size(800, 300)).CloseButton(False))
            
            self.RightNoteBook = wx.aui.AuiNotebook(self, ID_PLCOPENEDITORRIGHTNOTEBOOK,
                  style=wx.aui.AUI_NB_TOP|wx.aui.AUI_NB_TAB_SPLIT|wx.aui.AUI_NB_TAB_MOVE|
                        wx.aui.AUI_NB_SCROLL_BUTTONS|wx.aui.AUI_NB_TAB_EXTERNAL_MOVE)
            self.AUIManager.AddPane(self.RightNoteBook, 
                  wx.aui.AuiPaneInfo().Right().Layer(0).
                  BestSize(wx.Size(250, 400)).CloseButton(False))
        
            self.TabsOpened = wx.aui.AuiNotebook(self, ID_PLCOPENEDITORTABSOPENED, 
                  style=wx.aui.AUI_NB_DEFAULT_STYLE|wx.aui.AUI_NB_WINDOWLIST_BUTTON)
            self.TabsOpened.Bind(wx.aui.EVT_AUINOTEBOOK_PAGE_CHANGED,
                    self.OnPouSelectedChanged)
            self.TabsOpened.Bind(wx.aui.EVT_AUINOTEBOOK_PAGE_CLOSE,
                    self.OnPageClose)
            self.TabsOpened.Bind(wx.aui.EVT_AUINOTEBOOK_END_DRAG,
                    self.OnPageDragged)
            self.AUIManager.AddPane(self.TabsOpened, wx.aui.AuiPaneInfo().CentrePane())
        
        else:
            self.MainSplitter = wx.SplitterWindow(id=ID_PLCOPENEDITORMAINSPLITTER,
                  name='MainSplitter', parent=self, point=wx.Point(0, 0),
                  size=wx.Size(0, 0), style=wx.SP_3D)
            self.MainSplitter.SetNeedUpdating(True)
            self.MainSplitter.SetMinimumPaneSize(1)
            
            self.LeftNoteBook = wx.Notebook(id=ID_PLCOPENEDITORLEFTNOTEBOOK,
                  name='LeftNoteBook', parent=self.MainSplitter, pos=wx.Point(0,
                  0), size=wx.Size(0, 0), style=0)
        
            self.SecondSplitter = wx.SplitterWindow(id=ID_PLCOPENEDITORSECONDSPLITTER,
                  name='SecondSplitter', parent=self.MainSplitter, point=wx.Point(0, 0),
                  size=wx.Size(0, 0), style=wx.SP_3D)
            self.SecondSplitter.SetMinimumPaneSize(1)
                
            self.MainSplitter.SplitVertically(self.LeftNoteBook, self.SecondSplitter, 200)
            
            self.ThirdSplitter = wx.SplitterWindow(id=ID_PLCOPENEDITORTHIRDSPLITTER,
                  name='ThirdSplitter', parent=self.SecondSplitter, point=wx.Point(0, 0),
                  size=wx.Size(0, 0), style=wx.SP_3D)
            self.ThirdSplitter.SetMinimumPaneSize(1)
            
            self.BottomNoteBook = wx.Notebook(id=ID_PLCOPENEDITORBOTTOMNOTEBOOK,
                  name='BottomNoteBook', parent=self.SecondSplitter, pos=wx.Point(0,
                  0), size=wx.Size(0, 0), style=0)
            
            self.SecondSplitter.SplitHorizontally(self.ThirdSplitter, self.BottomNoteBook, -200)
            
            self.TabsOpened = wx.Notebook(id=ID_PLCOPENEDITORTABSOPENED,
                  name='TabsOpened', parent=self.ThirdSplitter, pos=wx.Point(0,
                  0), size=wx.Size(0, 0), style=0)
            self.TabsOpened.SetImageList(self.TabsImageList)
            if wx.VERSION >= (2, 6, 0):
                self.TabsOpened.Bind(wx.EVT_NOTEBOOK_PAGE_CHANGED,
                    self.OnPouSelectedChanged, id=ID_PLCOPENEDITORTABSOPENED)
            else:
                wx.EVT_NOTEBOOK_PAGE_CHANGED(self.TabsOpened, ID_PLCOPENEDITORTABSOPENED,
                    self.OnPouSelectedChanged)
            
            self.RightNoteBook = wx.Notebook(id=ID_PLCOPENEDITORRIGHTNOTEBOOK,
                  name='RightNoteBook', parent=self.ThirdSplitter, pos=wx.Point(0,
                  0), size=wx.Size(0, 0), style=0)
            
            self.ThirdSplitter.SplitVertically(self.TabsOpened, self.RightNoteBook, -250)
        
        #-----------------------------------------------------------------------
        #                       Creating PLCopen Project tree
        #-----------------------------------------------------------------------
        
        self.TypesTree = wx.TreeCtrl(id=ID_PLCOPENEDITORTYPESTREE,
                  name='TypesTree', parent=self.LeftNoteBook, 
                  pos=wx.Point(0, 0), size=wx.Size(0, 0),
                  style=wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER|wx.TR_EDIT_LABELS)
        if wx.Platform == '__WXMSW__':
            self.Bind(wx.EVT_TREE_ITEM_RIGHT_CLICK, self.OnTypesTreeRightUp,
                  id=ID_PLCOPENEDITORTYPESTREE)
            self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnTypesTreeItemSelected,
                  id=ID_PLCOPENEDITORTYPESTREE)
        else:
            if wx.VERSION >= (2, 6, 0):
                self.TypesTree.Bind(wx.EVT_RIGHT_UP, self.OnTypesTreeRightUp)
                self.TypesTree.Bind(wx.EVT_LEFT_UP, self.OnTypesTreeLeftUp)
            else:
                wx.EVT_RIGHT_UP(self.TypesTree, self.OnTypesTreeRightUp)
                wx.EVT_LEFT_UP(self.TypesTree, self.OnTypesTreeLeftUp)
            self.Bind(wx.EVT_TREE_SEL_CHANGING, self.OnTypesTreeItemChanging,
                  id=ID_PLCOPENEDITORTYPESTREE)
        self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnTypesTreeBeginDrag,
              id=ID_PLCOPENEDITORTYPESTREE)
        self.Bind(wx.EVT_TREE_BEGIN_LABEL_EDIT, self.OnTypesTreeItemBeginEdit,
              id=ID_PLCOPENEDITORTYPESTREE)
        self.Bind(wx.EVT_TREE_END_LABEL_EDIT, self.OnTypesTreeItemEndEdit,
              id=ID_PLCOPENEDITORTYPESTREE)
        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnTypesTreeItemActivated,
              id=ID_PLCOPENEDITORTYPESTREE)
        self.LeftNoteBook.AddPage(self.TypesTree, _("Types"))

        #-----------------------------------------------------------------------
        #                       Creating PLCopen Project tree
        #-----------------------------------------------------------------------
        
        self.InstancesTree = wx.TreeCtrl(id=ID_PLCOPENEDITORINSTANCESTREE,
                  name='InstancesTree', parent=self.LeftNoteBook, 
                  pos=wx.Point(0, 0), size=wx.Size(0, 0),
                  style=wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER)
        if self.EnableDebug:
            if wx.VERSION >= (2, 6, 0):
                self.InstancesTree.Bind(wx.EVT_RIGHT_UP, self.OnInstancesTreeRightUp)
            else:
                wx.EVT_RIGHT_UP(self.InstancesTree, self.OnInstancesTreeRightUp)
            self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnInstancesTreeBeginDrag,
                  id=ID_PLCOPENEDITORINSTANCESTREE)
            self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnInstancesTreeItemActivated,
                  id=ID_PLCOPENEDITORINSTANCESTREE)
        self.LeftNoteBook.AddPage(self.InstancesTree, _("Instances"))
        
        #-----------------------------------------------------------------------
        #                            Creating Tool Bar
        #-----------------------------------------------------------------------

        if USE_AUI:
            ToolBar = wx.ToolBar(self, ID_PLCOPENEDITORTOOLBAR, wx.DefaultPosition, wx.DefaultSize,
                    wx.TB_FLAT | wx.TB_NODIVIDER | wx.NO_BORDER)
            ToolBar.SetToolBitmapSize(wx.Size(25, 25))
            ToolBar.AddRadioTool(ID_PLCOPENEDITORTOOLBARSELECTION, 
                  wx.Bitmap(os.path.join(CWD, 'Images', 'select.png')), wx.NullBitmap, _("Select an object"))
            ToolBar.Realize()
            self.Panes["ToolBar"] = ToolBar
            self.AUIManager.AddPane(ToolBar, wx.aui.AuiPaneInfo().
                      Name("ToolBar").Caption(_("Toolbar")).
                      ToolbarPane().Top().
                      LeftDockable(False).RightDockable(False))
        else:
            self.ToolBar = self.CreateToolBar(wx.TB_HORIZONTAL|wx.TB_FLAT|wx.NO_BORDER, 
                  ID_PLCOPENEDITORTOOLBAR, 'ToolBar')
            self.ToolBar.SetToolBitmapSize(wx.Size(25, 25))
            self.ToolBar.AddRadioTool(ID_PLCOPENEDITORTOOLBARSELECTION, 
                  wx.Bitmap(os.path.join(CWD, 'Images', 'select.png')), wx.NullBitmap, _("Select an object"))
            self.ToolBar.Realize()
            
        self.Bind(wx.EVT_TOOL, self.OnSelectionTool, 
              id=ID_PLCOPENEDITORTOOLBARSELECTION)
        
        self.VariablePanelIndexer = VariablePanelIndexer(self.BottomNoteBook, self)
        self.BottomNoteBook.AddPage(self.VariablePanelIndexer, _("Variables"))

        self.SearchResultPanel = SearchResultPanel(self.BottomNoteBook, self)
        self.BottomNoteBook.AddPage(self.SearchResultPanel, _("Search"))

        self.LibraryPanel = wx.Panel(id=ID_PLCOPENEDITORLIBRARYPANEL,
              name='LibraryPanel', parent=self.RightNoteBook, pos=wx.Point(0,
              0), size=wx.Size(0, 0), style=0)
        self.RightNoteBook.AddPage(self.LibraryPanel, _("Library"))
        
        if wx.Platform == '__WXMSW__':
            librarytreestyle = wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER
        else:
            librarytreestyle = wx.TR_HAS_BUTTONS|wx.TR_HIDE_ROOT|wx.TR_SINGLE|wx.SUNKEN_BORDER
        self.LibraryTree = wx.TreeCtrl(id=ID_PLCOPENEDITORLIBRARYTREE,
                  name='LibraryTree', parent=self.LibraryPanel, 
                  pos=wx.Point(0, 0), size=wx.Size(0, 0),
                  style=librarytreestyle)
        self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnLibraryTreeItemSelected,
              id=ID_PLCOPENEDITORLIBRARYTREE)
        self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnLibraryTreeBeginDrag,
              id=ID_PLCOPENEDITORLIBRARYTREE)
        
        self.LibraryComment = wx.TextCtrl(id=ID_PLCOPENEDITORLIBRARYCOMMENT,
              name='LibraryComment', parent=self.LibraryPanel, 
              pos=wx.Point(0, 0), size=wx.Size(0, 160), 
              style=wx.TE_READONLY|wx.TE_MULTILINE)
        
        self._init_sizers()
        
        if self.EnableDebug:
            self.DebugVariablePanel = DebugVariablePanel(self.RightNoteBook, self.Controler)
            self.RightNoteBook.AddPage(self.DebugVariablePanel, _("Debugger"))
        
        if USE_AUI:
            self.AUIManager.Update()
    
    ## Constructor of the PLCOpenEditor class.
    #  @param parent The parent window.
    #  @param controler The controler been used by PLCOpenEditor (default: None).
    #  @param fileOpen The filepath to open if no controler defined (default: None).
    #  @param debug The filepath to open if no controler defined (default: False).
    def __init__(self, parent, enable_debug = False):
        self.Controler = None
        self.Config = wx.ConfigBase.Get()
        self.EnableDebug = enable_debug
        
        self._init_ctrls(parent)
        
        # Define Tree item icon list
        self.TreeImageList = wx.ImageList(16, 16)
        self.TreeImageDict = {}
        
        # Icons for languages
        for language in LANGUAGES:
            self.TreeImageDict[language]=self.TreeImageList.Add(wx.Bitmap(os.path.join(CWD, 'Images', '%s.png'%language)))
            
        # Icons for other items
        for imgname, itemtype in [
            #editables
            ("PROJECT",        ITEM_PROJECT),
            #("POU",            ITEM_POU),
            #("VARIABLE",       ITEM_VARIABLE),
            ("TRANSITION",     ITEM_TRANSITION),
            ("ACTION",         ITEM_ACTION),
            ("CONFIGURATION",  ITEM_CONFIGURATION),
            ("RESOURCE",       ITEM_RESOURCE),
            ("DATATYPE",       ITEM_DATATYPE),
            # uneditables
            ("DATATYPES",      ITEM_DATATYPES),
            ("FUNCTION",       ITEM_FUNCTION),
            ("FUNCTIONBLOCK",  ITEM_FUNCTIONBLOCK),
            ("PROGRAM",        ITEM_PROGRAM),
            ("VAR_LOCAL",      ITEM_VAR_LOCAL),
            ("VAR_LOCAL",      ITEM_VAR_GLOBAL),
            ("VAR_LOCAL",      ITEM_VAR_EXTERNAL),
            ("VAR_LOCAL",      ITEM_VAR_TEMP),
            ("VAR_INPUT",      ITEM_VAR_INPUT),
            ("VAR_OUTPUT",     ITEM_VAR_OUTPUT),
            ("VAR_INOUT",      ITEM_VAR_INOUT),
            ("TRANSITIONS",    ITEM_TRANSITIONS),
            ("ACTIONS",        ITEM_ACTIONS),
            ("CONFIGURATIONS", ITEM_CONFIGURATIONS),
            ("RESOURCES",      ITEM_RESOURCES),
            ("PROPERTIES",     ITEM_PROPERTIES)]:
            self.TreeImageDict[itemtype]=self.TreeImageList.Add(wx.Bitmap(os.path.join(CWD, 'Images', '%s.png'%imgname)))
        
        # Assign icon list to TreeCtrls
        self.TypesTree.SetImageList(self.TreeImageList)
        self.InstancesTree.SetImageList(self.TreeImageList)
        
        self.CurrentToolBar = []
        self.CurrentLanguage = ""
        self.SelectedItem = None
        self.Highlights = {}
        self.DrawingMode = FREEDRAWING_MODE
        #self.DrawingMode = DRIVENDRAWING_MODE
        if USE_AUI:
            self.AuiTabCtrl = []
        
        # Initialize Printing configuring elements
        self.PrintData = wx.PrintData()
        self.PrintData.SetPaperId(wx.PAPER_A4)
        self.PrintData.SetPrintMode(wx.PRINT_MODE_PRINTER)
        self.PageSetupData = wx.PageSetupDialogData(self.PrintData)
        self.PageSetupData.SetMarginTopLeft(wx.Point(10, 15))
        self.PageSetupData.SetMarginBottomRight(wx.Point(10, 20))
        
        self.SetRefreshFunctions()
    
    def Show(self):
        wx.Frame.Show(self)
        wx.CallAfter(self.RestoreFrameSize)
    
    def RestoreFrameSize(self):
        frame_size = None
        if self.Config.HasEntry("framesize"):
            frame_size = cPickle.loads(str(self.Config.Read("framesize")))
        
        if frame_size is None:
            self.Maximize()
        else:
            self.SetClientSize(frame_size)
    
    def SaveFrameSize(self):
        if not self.IsMaximized():
            self.Config.Write("framesize", cPickle.dumps(self.GetClientSize()))
        elif self.Config.HasEntry("framesize"):
            self.Config.DeleteEntry("framesize")
        self.Config.Flush()

#-------------------------------------------------------------------------------
#                               General Functions
#-------------------------------------------------------------------------------

    def SetRefreshFunctions(self):
        self.RefreshFunctions = {
            TITLE : self.RefreshTitle,
            TOOLBAR : self.RefreshToolBar,
            FILEMENU : self.RefreshFileMenu,
            EDITMENU : self.RefreshEditMenu,
            DISPLAYMENU : self.RefreshDisplayMenu,
            TYPESTREE : self.RefreshTypesTree,
            INSTANCESTREE : self.RefreshInstancesTree, 
            LIBRARYTREE : self.RefreshLibraryTree,
            SCALING : self.RefreshScaling}

    ## Call PLCOpenEditor refresh functions.
    #  @param elements List of elements to refresh.
    def _Refresh(self, *elements):
        for element in elements:
            self.RefreshFunctions[element]()

    ## Callback function when AUINotebook Page closed with CloseButton
    #  @param event AUINotebook Event.
    def OnPageClose(self, event):
        # Get Selected Tab
        selected = event.GetSelection()
        if selected >= 0:
            # Remove corresponding VariablePanel
            window = self.TabsOpened.GetPage(selected)
            if not window.IsDebugging():
                self.VariablePanelIndexer.RemoveVariablePanel(window.GetTagName())
        
        wx.CallAfter(self.RefreshTabCtrlEvent)
        event.Skip()

    def GetCopyBuffer(self):
        data = None
        if wx.TheClipboard.IsOpened() or wx.TheClipboard.Open():
            dataobj = wx.TextDataObject()
            if wx.TheClipboard.GetData(dataobj):
                data = dataobj.GetText()
        if wx.TheClipboard.IsOpened():
            wx.TheClipboard.Close()
        return data
        
    def SetCopyBuffer(self, text):
        if wx.TheClipboard.IsOpened() or wx.TheClipboard.Open():
            data = wx.TextDataObject()
            data.SetText(text)
            wx.TheClipboard.SetData(data)
            wx.TheClipboard.Flush()
        if wx.TheClipboard.IsOpened():
            wx.TheClipboard.Close()
        self.RefreshEditMenu()

    def GetDrawingMode(self):
        return self.DrawingMode

    def RefreshScaling(self):
        for i in xrange(self.TabsOpened.GetPageCount()):
            editor = self.TabsOpened.GetPage(i)
            editor.RefreshScaling()

    def ShowProperties(self):
        old_values = self.Controler.GetProjectProperties()
        dialog = ProjectDialog(self)
        dialog.SetValues(old_values)
        if dialog.ShowModal() == wx.ID_OK:
            new_values = dialog.GetValues()
            new_values["creationDateTime"] = old_values["creationDateTime"]
            if new_values != old_values:
                self.Controler.SetProjectProperties(None, new_values)
                self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU, DISPLAYMENU, 
                              TYPESTREE, INSTANCESTREE, SCALING)
        dialog.Destroy()

#-------------------------------------------------------------------------------
#                            Notebook Unified Functions
#-------------------------------------------------------------------------------

    ## Function that generate bitmap for
    # for wx.aui.AUINotebook.
    #  @param window Panel to display in tab.
    #  @param text title for the tab ctrl.
    def GenerateBitmap(self, icon1_name, icon2_name = None):
        # Find index of bitmap if already created
        index = self.TabsImageListIndexes.get((icon1_name, icon2_name), None)
        # Return index or bitmap if found
        if index is not None:
            if USE_AUI:
                return self.TabsImageList.GetBitmap(index)
            else:
                return index
        if icon2_name is None:
            # Bitmap with only one icon
            bitmap = wx.Bitmap(os.path.join(CWD, 'Images', '%s.png'%icon1_name))
        else:
            # Bitmap with two icon
            icon1 = wx.Bitmap(os.path.join(CWD, 'Images', '%s.png'%icon1_name))
            icon2 = wx.Bitmap(os.path.join(CWD, 'Images', '%s.png'%icon2_name))
            
            # Calculate bitmap size
            width = icon1.GetWidth() + icon2.GetWidth() - 1
            height = max(icon1.GetHeight(), icon2.GetHeight())
            # Create bitmap with both icons
            bitmap = wx.EmptyBitmap(width, height)
            dc = wx.MemoryDC()
            dc.SelectObject(bitmap)
            dc.Clear()
            dc.DrawBitmap(icon1, 0, 0)
            dc.DrawBitmap(icon2, icon1.GetWidth() - 1, 0)
            dc.Destroy()
            
            # Store bitmap in ImageList
            index = self.TabsImageList.Add(bitmap)
            # Save bitmap index in ImageList in dictionary
            self.TabsImageListIndexes[(icon1_name, icon2_name)] = index
        if USE_AUI:
            return bitmap
        else:
            return index
    
    ## Function that add a tab in Notebook, calling refresh for tab DClick event
    # for wx.aui.AUINotebook.
    #  @param window Panel to display in tab.
    #  @param text title for the tab ctrl.
    def AddPage(self, window, text):
        self.TabsOpened.AddPage(window, text)
        self.RefreshTabCtrlEvent()
    
    ## Function that fix difference in deleting all tabs between 
    # wx.Notebook and wx.aui.AUINotebook.
    def DeleteAllPages(self):
        if USE_AUI:
            for idx in xrange(self.TabsOpened.GetPageCount()):
                self.TabsOpened.DeletePage(0)
        else:
            self.TabsOpened.DeleteAllPages()
        self.RefreshTabCtrlEvent()

    ## Function that fix difference in setting picture on tab between 
    # wx.Notebook and wx.aui.AUINotebook.
    #  @param idx Tab index.
    #  @param bitmap wx.Bitmap to define on tab.
    #  @return True if operation succeeded
    def SetPageBitmap(self, idx, bitmap):
        if USE_AUI:
            return self.TabsOpened.SetPageBitmap(idx, bitmap)
        else:
            return self.TabsOpened.SetPageImage(idx, bitmap)

#-------------------------------------------------------------------------------
#                         Dialog Message Functions
#-------------------------------------------------------------------------------

    ## Function displaying an Error dialog in PLCOpenEditor.
    #  @param message The message to display.
    def ShowErrorMessage(self, message):
        dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
        dialog.ShowModal()
        dialog.Destroy()

    ## Function displaying an Error dialog in PLCOpenEditor.
    #  @return False if closing cancelled.
    def CheckSaveBeforeClosing(self, title=_("Close Project")):
        if not self.Controler.ProjectIsSaved():
            dialog = wx.MessageDialog(self, _("There are changes, do you want to save?"), title, wx.YES_NO|wx.CANCEL|wx.ICON_QUESTION)
            answer = dialog.ShowModal()
            dialog.Destroy()
            if answer == wx.ID_YES:
                self.SaveProject()
            elif answer == wx.ID_CANCEL:
                return False
        return True

#-------------------------------------------------------------------------------
#                            File Menu Functions
#-------------------------------------------------------------------------------

    def RefreshFileMenu(self):
        pass

    def ResetView(self):
        self.DeleteAllPages()
        self.VariablePanelIndexer.RemoveAllPanels()
        self.TypesTree.DeleteAllItems()
        self.InstancesTree.DeleteAllItems()
        self.LibraryTree.DeleteAllItems()
        self.Controler = None

    def OnCloseTabMenu(self, event):
        selected = self.TabsOpened.GetSelection()
        if selected >= 0:
            window = self.TabsOpened.GetPage(selected)
            if not window.IsDebugging():
                self.VariablePanelIndexer.RemoveVariablePanel(window.GetTagName())
            self.TabsOpened.DeletePage(selected)
            if self.TabsOpened.GetPageCount() > 0:
                new_index = min(selected, self.TabsOpened.GetPageCount() - 1)
                self.TabsOpened.SetSelection(new_index)
                window = self.TabsOpened.GetPage(new_index)
                if not window.IsDebugging():
                    self.VariablePanelIndexer.ChangeVariablePanel(window.GetTagName())
        # Refresh all window elements that have changed
        self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU, DISPLAYMENU)
        self.RefreshTabCtrlEvent()

    def OnPageSetupMenu(self, event):
        dialog = wx.PageSetupDialog(self, self.PageSetupData)
        if dialog.ShowModal() == wx.ID_OK:
            self.PageSetupData = wx.PageSetupDialogData(dialog.GetPageSetupData())
            self.PrintData = wx.PrintData(self.PageSetupData.GetPrintData())
        dialog.Destroy()

    def OnPreviewMenu(self, event):
        selected = self.TabsOpened.GetSelection()        
        if selected != -1:
            window = self.TabsOpened.GetPage(selected)
            data = wx.PrintDialogData(self.PrintData)
            properties = self.Controler.GetProjectProperties(window.IsDebugging())
            page_size = map(int, properties["pageSize"])
            margins = (self.PageSetupData.GetMarginTopLeft(), self.PageSetupData.GetMarginBottomRight())
            printout = GraphicPrintout(window, page_size, margins, True)
            printout2 = GraphicPrintout(window, page_size, margins, True)
            preview = wx.PrintPreview(printout, printout2, data)

            if preview.Ok():
                preview_frame = wx.PreviewFrame(preview, self, _("Print preview"), style=wx.DEFAULT_FRAME_STYLE|wx.FRAME_FLOAT_ON_PARENT)

                preview_frame.Initialize()
                
                preview_canvas = preview.GetCanvas()
                preview_canvas.SetMinSize(preview_canvas.GetVirtualSize())
                preview_frame.Fit()
                
                preview_frame.Show(True)

    def OnPrintMenu(self, event):
        selected = self.TabsOpened.GetSelection()        
        if selected != -1:
            window = self.TabsOpened.GetPage(selected)
            dialog_data = wx.PrintDialogData(self.PrintData)
            dialog_data.SetToPage(1)
            properties = self.Controler.GetProjectProperties(window.IsDebugging())
            page_size = map(int, properties["pageSize"])
            margins = (self.PageSetupData.GetMarginTopLeft(), self.PageSetupData.GetMarginBottomRight())
            printer = wx.Printer(dialog_data)
            printout = GraphicPrintout(window, page_size, margins)
            
            if not printer.Print(self, printout, True) and printer.GetLastError() != wx.PRINTER_CANCELLED:
                self.ShowErrorMessage(_("There was a problem printing.\nPerhaps your current printer is not set correctly?"))
            printout.Destroy()

    def OnPropertiesMenu(self, event):
        self.ShowProperties()

    def OnQuitMenu(self, event):
        self.Close()

#-------------------------------------------------------------------------------
#                            Edit Menu Functions
#-------------------------------------------------------------------------------

    def RefreshEditMenu(self):
        if self.Controler is not None:
            undo, redo = self.Controler.GetBufferState()
            self.EditMenu.Enable(wx.ID_UNDO, undo)
            self.EditMenu.Enable(wx.ID_REDO, redo)
            #self.EditMenu.Enable(ID_PLCOPENEDITOREDITMENUENABLEUNDOREDO, True)
            #self.EditMenu.Check(ID_PLCOPENEDITOREDITMENUENABLEUNDOREDO, 
            #                self.Controler.IsProjectBufferEnabled())
            self.EditMenu.Enable(ID_PLCOPENEDITOREDITMENUSEARCHINPROJECT, True)
            self.EditMenu.Enable(wx.ID_ADD, True)
            self.EditMenu.Enable(wx.ID_DELETE, True)
            if self.TabsOpened.GetPageCount() > 0:
                self.EditMenu.Enable(wx.ID_CUT, True)
                self.EditMenu.Enable(wx.ID_COPY, True)
                if self.GetCopyBuffer() is not None:
                    self.EditMenu.Enable(wx.ID_PASTE, True)
                else:
                    self.EditMenu.Enable(wx.ID_PASTE, False)
                self.EditMenu.Enable(wx.ID_SELECTALL, True)
            else:
                self.EditMenu.Enable(wx.ID_CUT, False)
                self.EditMenu.Enable(wx.ID_COPY, False)
                self.EditMenu.Enable(wx.ID_PASTE, False)
                self.EditMenu.Enable(wx.ID_SELECTALL, False)
        else:
            self.EditMenu.Enable(wx.ID_UNDO, False)
            self.EditMenu.Enable(wx.ID_REDO, False)
            #self.EditMenu.Enable(ID_PLCOPENEDITOREDITMENUENABLEUNDOREDO, False)
            self.EditMenu.Enable(wx.ID_CUT, False)
            self.EditMenu.Enable(wx.ID_COPY, False)
            self.EditMenu.Enable(wx.ID_PASTE, False)
            self.EditMenu.Enable(wx.ID_SELECTALL, False)
            self.EditMenu.Enable(ID_PLCOPENEDITOREDITMENUSEARCHINPROJECT, False)
            self.EditMenu.Enable(wx.ID_ADD, False)
            self.EditMenu.Enable(wx.ID_DELETE, False)
    
    def CloseTabsWithoutModel(self):
        idxs = range(self.TabsOpened.GetPageCount())
        idxs.reverse()
        for idx in idxs:
            window = self.TabsOpened.GetPage(idx)
            if not window.IsDebugging():
                tagname = window.GetTagName()
                if self.Controler.GetEditedElement(tagname) is None:
                    self.VariablePanelIndexer.RemoveVariablePanel(tagname)
                    self.TabsOpened.DeletePage(idx)

    def OnUndoMenu(self, event):
        self.Controler.LoadPrevious()
        self.CloseTabsWithoutModel()
        self.RefreshEditor()
        self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE, INSTANCESTREE, LIBRARYTREE, 
                      SCALING)
    
    def OnRedoMenu(self, event):
        self.Controler.LoadNext()
        self.CloseTabsWithoutModel()
        self.RefreshEditor()
        self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE, INSTANCESTREE, LIBRARYTREE, 
                      SCALING)
    
    def OnEnableUndoRedoMenu(self, event):
        self.Controler.EnableProjectBuffer(event.IsChecked())
        self.RefreshEditMenu()

    OnCutMenu = GetShortcutKeyCallbackFunction("Cut")
    OnCopyMenu = GetShortcutKeyCallbackFunction("Copy")
    OnPasteMenu = GetShortcutKeyCallbackFunction("Paste")

    def OnSelectAllMenu(self, event):
        control = self.FindFocus()
        if isinstance(control, (Viewer, TextViewer)):
            control.SelectAll()
        elif isinstance(control, wx.TextCtrl):
            control.SetSelection(0, control.GetLastPosition())
        elif isinstance(control, wx.ComboBox):
            control.SetMark(0, control.GetLastPosition() + 1)
    
    DeleteFunctions = {
        ITEM_DATATYPE: GetDeleteElementFunction(PLCControler.ProjectRemoveDataType, check_function=PLCControler.DataTypeIsUsed),
        ITEM_POU: GetDeleteElementFunction(PLCControler.ProjectRemovePou, check_function=PLCControler.PouIsUsed),
        ITEM_TRANSITION: GetDeleteElementFunction(PLCControler.ProjectRemovePouTransition, ITEM_POU),
        ITEM_ACTION: GetDeleteElementFunction(PLCControler.ProjectRemovePouAction, ITEM_POU),
        ITEM_CONFIGURATION: GetDeleteElementFunction(PLCControler.ProjectRemoveConfiguration),
        ITEM_RESOURCE: GetDeleteElementFunction(PLCControler.ProjectRemoveConfigurationResource, ITEM_CONFIGURATION)
    }
    
    def OnDeleteMenu(self, event):
        window = self.FindFocus()
        if window == self.TypesTree or window is None:
            selected = self.TypesTree.GetSelection()
            if selected.IsOk():
                type = self.TypesTree.GetPyData(selected)
                function = self.DeleteFunctions.get(type, None)
                if function is not None:
                    function(self, selected)
                    self.CloseTabsWithoutModel()
                    self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU, TYPESTREE, 
                                  INSTANCESTREE, LIBRARYTREE)
        elif isinstance(window, (Viewer, TextViewer)):
            event = wx.KeyEvent(wx.EVT_CHAR._getEvtType())
            event.m_keyCode = wx.WXK_DELETE
            window.ProcessEvent(event)

    def OnSearchInProjectMenu(self, event):
        dialog = SearchInProjectDialog(self)
        if dialog.ShowModal() == wx.ID_OK:
            criteria = dialog.GetCriteria()
            result = self.Controler.SearchInProject(criteria)
            self.ClearSearchResults()
            self.SearchResultPanel.SetSearchResults(criteria, result)
            self.BottomNoteBook.SetSelection(self.BottomNoteBook.GetPageIndex(self.SearchResultPanel))
            
#-------------------------------------------------------------------------------
#                             Display Menu Functions
#-------------------------------------------------------------------------------

    def RefreshDisplayMenu(self):
        if self.Controler is not None:
            if self.TabsOpened.GetPageCount() > 0:
                self.DisplayMenu.Enable(wx.ID_REFRESH, True)
                selected = self.TabsOpened.GetSelection()
                if selected != -1:
                    window = self.TabsOpened.GetPage(selected)
                    if isinstance(window, Viewer):
                        self.DisplayMenu.Enable(wx.ID_ZOOM_FIT, True)
                        zoommenu = self.DisplayMenu.FindItemById(wx.ID_ZOOM_FIT).GetSubMenu()
                        zoomitem = zoommenu.FindItemByPosition(window.GetScale())
                        zoomitem.Check(True)
                    else:
                        self.DisplayMenu.Enable(wx.ID_ZOOM_FIT, False)
                else:
                    self.DisplayMenu.Enable(wx.ID_ZOOM_FIT, False)
            else:
                self.DisplayMenu.Enable(wx.ID_REFRESH, False)
                self.DisplayMenu.Enable(wx.ID_ZOOM_FIT, False)
            if self.EnableDebug:
                self.DisplayMenu.Enable(wx.ID_CLEAR, True)
        else:
            self.DisplayMenu.Enable(wx.ID_REFRESH, False)
            if self.EnableDebug:
                self.DisplayMenu.Enable(wx.ID_CLEAR, False)
            self.DisplayMenu.Enable(wx.ID_ZOOM_FIT, False)
        
    def OnRefreshMenu(self, event):
        self.RefreshEditor()

    def OnClearErrorsMenu(self, event):
        self.ClearErrors()

    def GenerateZoomFunction(self, idx):
        def ZoomFunction(event):
            selected = self.TabsOpened.GetSelection()
            if selected != -1:
                window = self.TabsOpened.GetPage(selected)
                window.SetScale(idx)
                window.RefreshVisibleElements()
                window.RefreshScrollBars()
            event.Skip()
        return ZoomFunction


#-------------------------------------------------------------------------------
#                      Project Editor Panels Management Functions
#-------------------------------------------------------------------------------
    
    def OnPageDragged(self, event):
        wx.CallAfter(self.RefreshTabCtrlEvent)
        event.Skip()
    
    def RefreshTabCtrlEvent(self):
        if USE_AUI:
            auitabctrl = []
            for child in self.TabsOpened.GetChildren():
                if isinstance(child, wx.aui.AuiTabCtrl):
                    auitabctrl.append(child)
                    if child not in self.AuiTabCtrl:
                        child.Bind(wx.EVT_LEFT_DCLICK, self.GetTabsOpenedDClickFunction(child))
            self.AuiTabCtrl = auitabctrl
            if self.TabsOpened.GetPageCount() == 0:
                pane = self.AUIManager.GetPane(self.TabsOpened)
                if pane.IsMaximized():
                    self.AUIManager.RestorePane(pane)
                self.AUIManager.Update()
    
    def OnPouSelectedChanged(self, event):
        old_selected = self.TabsOpened.GetSelection()
        if old_selected >= 0:
            window = self.TabsOpened.GetPage(old_selected)
            if not window.IsDebugging():
                window.ResetBuffer()
        selected = event.GetSelection()
        if selected >= 0:
            window = self.TabsOpened.GetPage(selected)
            if not window.IsDebugging():
                wx.CallAfter(self.SelectTypesTreeItem, window.GetTagName())
            else:
                wx.CallAfter(self.SelectInstancesTreeItem, self.InstancesTree.GetRootItem(), window.GetInstancePath())
            window.RefreshView()
            if not window.IsDebugging():
                self.VariablePanelIndexer.ChangeVariablePanel(window.GetTagName())
            self._Refresh(FILEMENU, EDITMENU, DISPLAYMENU, TOOLBAR)
        event.Skip()

    def RefreshEditor(self, variablepanel = True):
        selected = self.TabsOpened.GetSelection()
        if USE_AUI:
            for child in self.TabsOpened.GetChildren():
                if isinstance(child, wx.aui.AuiTabCtrl):
                    active_page = child.GetActivePage()
                    if active_page >= 0:
                        window = child.GetWindowFromIdx(child.GetActivePage())
                        window.RefreshView()
                        if not window.IsDebugging() and self.TabsOpened.GetPageIndex(window) == selected and variablepanel:
                            self.RefreshVariablePanel(window.GetTagName())
        elif selected >= 0:
            window = self.TabsOpened.GetPage(idx)
            window.RefreshView()
            if not window.IsDebugging() and variablepanel:
                self.RefreshVariablePanel(window.GetTagName())

    def RefreshVariablePanel(self, tagname):
        self.VariablePanelIndexer.RefreshVariablePanel(tagname)

    def RefreshEditorNames(self, old_tagname, new_tagname):
        for i in xrange(self.TabsOpened.GetPageCount()):
            editor = self.TabsOpened.GetPage(i)
            if editor.GetTagName() == old_tagname:
                editor.SetTagName(new_tagname)
        self.VariablePanelIndexer.UpdateVariablePanelTagName(old_tagname, new_tagname)

    def IsOpened(self, tagname):
        for idx in xrange(self.TabsOpened.GetPageCount()):
            if self.TabsOpened.GetPage(idx).IsViewing(tagname):
                return idx
        return None

    def RefreshPageTitles(self):
        for idx in xrange(self.TabsOpened.GetPageCount()):
            window = self.TabsOpened.GetPage(idx)
            debug = window.IsDebugging()
            words = window.GetTagName().split("::")
            if words[0] == "P":
                pou_type = self.Controler.GetEditedElementType(window.GetTagName(), debug)[1].upper()
                pou_body_type = self.Controler.GetEditedElementBodyType(window.GetTagName(), debug)
                self.SetPageBitmap(idx, self.GenerateBitmap(pou_type, pou_body_type))
            elif words[0] == "T":
                pou_body_type = self.Controler.GetEditedElementBodyType(window.GetTagName(), debug)
                self.SetPageBitmap(idx, self.GenerateBitmap("TRANSITION", pou_body_type))
            elif words[0] == "A":
                pou_body_type = self.Controler.GetEditedElementBodyType(window.GetTagName(), debug)
                self.SetPageBitmap(idx, self.GenerateBitmap("ACTION", pou_body_type))
            elif words[0] == "C":
                self.SetPageBitmap(idx, self.GenerateBitmap("CONFIGURATION"))
            elif words[0] == "R":
                self.SetPageBitmap(idx, self.GenerateBitmap("RESOURCE"))
            elif words[0] == "D":
                self.SetPageBitmap(idx, self.GenerateBitmap("DATATYPE"))
            if debug:
                text = window.GetInstancePath()
                if len(text) > 15:
                    text = "..." + text[-12:]
                self.TabsOpened.SetPageText(idx, text)
            else:
                self.TabsOpened.SetPageText(idx, "-".join(words[1:]))

    def GetTabsOpenedDClickFunction(self, tabctrl):
        def OnTabsOpenedDClick(event):
            pos = event.GetPosition()
            if tabctrl.TabHitTest(pos.x, pos.y, None):
                pane = self.AUIManager.GetPane(self.TabsOpened)
                if pane.IsMaximized():
                    self.AUIManager.RestorePane(pane)
                else:
                    self.AUIManager.MaximizePane(pane)
                self.AUIManager.Update()
            event.Skip()
        return OnTabsOpenedDClick

#-------------------------------------------------------------------------------
#                         Types Tree Management Functions
#-------------------------------------------------------------------------------

    def RefreshTypesTree(self):
        infos = self.Controler.GetProjectInfos()
        root = self.TypesTree.GetRootItem()
        if not root.IsOk():
            root = self.TypesTree.AddRoot(infos["name"])
        self.GenerateTypesTreeBranch(root, infos)
        self.TypesTree.Expand(root)

    def ResetSelectedItem(self):
        self.SelectedItem = None

    def GenerateTypesTreeBranch(self, root, infos, topology=False):
        to_delete = []
        item_name = infos["name"]
        if infos["type"] in ITEMS_UNEDITABLE:
            item_name = _(item_name)
        self.TypesTree.SetItemText(root, item_name)
        self.TypesTree.SetPyData(root, infos["type"])
        highlight_colours = self.Highlights.get(infos.get("tagname", None), (wx.WHITE, wx.BLACK))
        self.TypesTree.SetItemBackgroundColour(root, highlight_colours[0])
        self.TypesTree.SetItemTextColour(root, highlight_colours[1])
        if infos["type"] == ITEM_POU:
            self.TypesTree.SetItemImage(root, self.TreeImageDict[self.Controler.GetPouBodyType(infos["name"])])
        else:
            self.TypesTree.SetItemImage(root, self.TreeImageDict[infos["type"]])      
            
        if wx.VERSION >= (2, 6, 0):
            item, root_cookie = self.TypesTree.GetFirstChild(root)
        else:
            item, root_cookie = self.TypesTree.GetFirstChild(root, 0)
        for values in infos["values"]:
            if not item.IsOk():
                item = self.TypesTree.AppendItem(root, "")
                if wx.Platform != '__WXMSW__':
                    item, root_cookie = self.TypesTree.GetNextChild(root, root_cookie)
            self.GenerateTypesTreeBranch(item, values)
            item, root_cookie = self.TypesTree.GetNextChild(root, root_cookie)
        while item.IsOk():
            to_delete.append(item)
            item, root_cookie = self.TypesTree.GetNextChild(root, root_cookie)
        for item in to_delete:
            self.TypesTree.Delete(item)

    def SelectTypesTreeItem(self, tagname):
        if self.TypesTree is not None:
            root = self.TypesTree.GetRootItem()
            words = tagname.split("::")
            if words[0] == "D":
                return self.RecursiveTypesTreeItemSelection(root, [(words[1], ITEM_DATATYPE)])
            elif words[0] == "P":
                return self.RecursiveTypesTreeItemSelection(root, [(words[1], ITEM_POU)])
            elif words[0] == "T":
                return self.RecursiveTypesTreeItemSelection(root, [(words[1], ITEM_POU), (words[2], ITEM_TRANSITION)])
            elif words[0] == "A":
                return self.RecursiveTypesTreeItemSelection(root, [(words[1], ITEM_POU), (words[2], ITEM_ACTION)])
            elif words[0] == "C":
                return self.RecursiveTypesTreeItemSelection(root, [(words[1], ITEM_CONFIGURATION)])
            elif words[0] == "R":
                return self.RecursiveTypesTreeItemSelection(root, [(words[1], ITEM_CONFIGURATION), (words[2], ITEM_RESOURCE)])
        return False

    def RecursiveTypesTreeItemSelection(self, root, items):
        found = False
        if self.TypesTree is not None:
            if wx.VERSION >= (2, 6, 0):
                item, root_cookie = self.TypesTree.GetFirstChild(root)
            else:
                item, root_cookie = self.TypesTree.GetFirstChild(root, 0)
            while item.IsOk() and not found:
                if (self.TypesTree.GetItemText(item), self.TypesTree.GetPyData(item)) == items[0]:
                    if len(items) == 1:
                        self.SelectedItem = item
                        self.TypesTree.SelectItem(item)
                        wx.CallAfter(self.ResetSelectedItem)
                        return True
                    else:
                        found = self.RecursiveTypesTreeItemSelection(item, items[1:])
                else:
                    found = self.RecursiveTypesTreeItemSelection(item, items)
                item, root_cookie = self.TypesTree.GetNextChild(root, root_cookie)
        return found

    def OnTypesTreeBeginDrag(self, event):
        if wx.Platform == '__WXMSW__':
            self.SelectedItem = event.GetItem()
        if self.SelectedItem is not None and self.TypesTree.GetPyData(self.SelectedItem) == ITEM_POU:
            block_name = self.TypesTree.GetItemText(self.SelectedItem)
            block_type = self.Controler.GetPouType(block_name)
            if block_type != "program":
                data = wx.TextDataObject(str((block_name, block_type, "")))
                dragSource = wx.DropSource(self.TypesTree)
                dragSource.SetData(data)
                dragSource.DoDragDrop()
            self.ResetSelectedItem()

    def OnTypesTreeItemBeginEdit(self, event):
        selected = event.GetItem()
        if self.TypesTree.GetPyData(selected) in ITEMS_UNEDITABLE:
            event.Veto()
        else:
            event.Skip()

    def OnTypesTreeItemEndEdit(self, event):
        message = None
        abort = False
        new_name = event.GetLabel()
        if new_name != "":
            if not TestIdentifier(new_name):
                message = _("\"%s\" is not a valid identifier!")%new_name
            elif new_name.upper() in IEC_KEYWORDS:
                message = _("\"%s\" is a keyword. It can't be used!")%new_name
            else:
                item = event.GetItem()
                old_name = self.TypesTree.GetItemText(item)
                itemtype = self.TypesTree.GetPyData(item)
                if itemtype == ITEM_PROJECT:
                    self.Controler.SetProjectProperties(name = new_name)
                elif itemtype == ITEM_DATATYPE:
                    if new_name.upper() in [name.upper() for name in self.Controler.GetProjectDataTypeNames() if name != old_name]:
                        message = _("\"%s\" data type already exists!")%new_name
                        abort = True
                    if not abort:
                        self.Controler.ChangeDataTypeName(old_name, new_name)
                        self.RefreshEditorNames(self.Controler.ComputeDataTypeName(old_name), 
                                                self.Controler.ComputeDataTypeName(new_name))
                        self.RefreshPageTitles()
                elif itemtype == ITEM_POU:
                    if new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames() if name != old_name]:
                        message = _("\"%s\" pou already exists!")%new_name
                        abort = True
                    elif new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouVariables()]:
                        messageDialog = wx.MessageDialog(self, _("A POU has an element named \"%s\". This could cause a conflict. Do you wish to continue?")%new_name, _("Error"), wx.YES_NO|wx.ICON_QUESTION)
                        if messageDialog.ShowModal() == wx.ID_NO:
                            abort = True
                        messageDialog.Destroy()
                    if not abort:
                        self.Controler.ChangePouName(old_name, new_name)
                        self.RefreshEditorNames(self.Controler.ComputePouName(old_name), 
                                                self.Controler.ComputePouName(new_name))
                        self.RefreshLibraryTree()
                        self.RefreshPageTitles()
                elif itemtype == ITEM_TRANSITION:
                    pou_name = GetParentName(self.TypesTree, item, ITEM_POU)
                    if new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames()]:
                        message = _("A POU named \"%s\" already exists!")%new_name
                    elif new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouVariables(pou_name) if name != old_name]:
                        message = _("A variable with \"%s\" as name already exists in this pou!")%new_name
                    else:
                        self.Controler.ChangePouTransitionName(pou_name, old_name, new_name)
                        self.RefreshEditorNames(self.Controler.ComputePouTransitionName(pou_name, old_name), 
                                                self.Controler.ComputePouTransitionName(pou_name, new_name))
                        self.RefreshPageTitles()
                elif itemtype == ITEM_ACTION:
                    pou_name = GetParentName(self.TypesTree, item, ITEM_POU)
                    if new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames()]:
                        message = _("A POU named \"%s\" already exists!")%new_name
                    elif new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouVariables(pou_name) if name != old_name]:
                        message = _("A variable with \"%s\" as name already exists in this pou!")%new_name
                    else:
                        self.Controler.ChangePouActionName(pou_name, old_name, new_name)
                        self.RefreshEditorNames(self.Controler.ComputePouActionName(pou_name, old_name), 
                                                self.Controler.ComputePouActionName(pou_name, new_name))
                        self.RefreshPageTitles()
                elif itemtype == ITEM_CONFIGURATION:
                    if new_name.upper() in [name.upper() for name in self.Controler.GetProjectConfigNames() if name != old_name]:
                        message = _("\"%s\" config already exists!")%new_name
                        abort = True
                    elif new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames()]:
                        messageDialog = wx.MessageDialog(self, _("There is a POU named \"%s\". This could cause a conflict. Do you wish to continue?")%new_name, _("Error"), wx.YES_NO|wx.ICON_QUESTION)
                        if messageDialog.ShowModal() == wx.ID_NO:
                            abort = True
                        messageDialog.Destroy()
                    elif new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouVariables()]:
                        messageDialog = wx.MessageDialog(self, _("A POU has an element named \"%s\". This could cause a conflict. Do you wish to continue?")%new_name, _("Error"), wx.YES_NO|wx.ICON_QUESTION)
                        if messageDialog.ShowModal() == wx.ID_NO:
                            abort = True
                        messageDialog.Destroy()
                    if not abort:
                        self.Controler.ChangeConfigurationName(old_name, new_name)
                        self.RefreshEditorNames(self.Controler.ComputeConfigurationName(old_name), 
                                                self.Controler.ComputeConfigurationName(new_name))
                        self.RefreshPageTitles()
                elif itemtype == ITEM_RESOURCE:
                    config_name = GetParentName(self.TypesTree, item, ITEM_CONFIGURATION)
                    if new_name.upper() in [name.upper() for name in self.Controler.GetProjectConfigNames()]:
                        message = _("\"%s\" config already exists!")%new_name
                        abort = True
                    elif new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames()]:
                        messageDialog = wx.MessageDialog(self, _("There is a POU named \"%s\". This could cause a conflict. Do you wish to continue?")%new_name, _("Error"), wx.YES_NO|wx.ICON_QUESTION)
                        if messageDialog.ShowModal() == wx.ID_NO:
                            abort = True
                        messageDialog.Destroy()
                    elif new_name.upper() in [name.upper() for name in self.Controler.GetProjectPouVariables()]:
                        messageDialog = wx.MessageDialog(self, _("A POU has an element named \"%s\". This could cause a conflict. Do you wish to continue?")%new_name, _("Error"), wx.YES_NO|wx.ICON_QUESTION)
                        if messageDialog.ShowModal() == wx.ID_NO:
                            abort = True
                        messageDialog.Destroy()
                    if not abort:
                        self.Controler.ChangeConfigurationResourceName(config_name, old_name, new_name)
                        self.RefreshEditorNames(self.Controler.ComputeConfigurationResourceName(config_name, old_name), 
                                                self.Controler.ComputeConfigurationResourceName(config_name, new_name))
                        self.RefreshPageTitles()
            if message or abort:
                if message:
                    self.ShowErrorMessage(message)
                item = event.GetItem()
                wx.CallAfter(self.TypesTree.EditLabel, item)
                event.Veto()
            else:
                wx.CallAfter(self.RefreshTypesTree)
                self.RefreshEditor()
                self._Refresh(TITLE, FILEMENU, EDITMENU)
                event.Skip()
    
    def OnTypesTreeItemActivated(self, event):
        selected = event.GetItem()
        name = self.TypesTree.GetItemText(selected)
        data = self.TypesTree.GetPyData(selected)
        if UNEDITABLE_NAMES_DICT.get(name, name) == "Properties":
            self.ShowProperties()
        if data == ITEM_DATATYPE:
            self.EditProjectElement(data, self.Controler.ComputeDataTypeName(name))
        elif data == ITEM_POU:
            self.EditProjectElement(data, self.Controler.ComputePouName(name))
        elif data == ITEM_CONFIGURATION:
            self.EditProjectElement(data, self.Controler.ComputeConfigurationName(name))
        elif data == ITEM_RESOURCE:
            config_name = GetParentName(self.TypesTree, selected, ITEM_CONFIGURATION)
            self.EditProjectElement(data, self.Controler.ComputeConfigurationResourceName(config_name, name))
        elif data in [ITEM_TRANSITION, ITEM_ACTION]:
            pou_name = GetParentName(self.TypesTree, selected, ITEM_POU)
            if data == ITEM_TRANSITION:
                tagname = self.Controler.ComputePouTransitionName(pou_name, name)
            elif data == ITEM_ACTION:
                tagname = self.Controler.ComputePouActionName(pou_name, name)
            self.EditProjectElement(data, tagname)
        event.Skip()
    
    def TypesTreeItemSelect(self, select_item):
        name = self.TypesTree.GetItemText(select_item)
        data = self.TypesTree.GetPyData(select_item)
        if data == ITEM_DATATYPE:
            self.EditProjectElement(data, self.Controler.ComputeDataTypeName(name), True)
        elif data == ITEM_POU:
            self.EditProjectElement(data, self.Controler.ComputePouName(name), True)
        elif data == ITEM_CONFIGURATION:
            self.EditProjectElement(data, self.Controler.ComputeConfigurationName(name), True)
        elif data == ITEM_RESOURCE:
            config_name = GetParentName(self.TypesTree, select_item, ITEM_CONFIGURATION)
            self.EditProjectElement(data, self.Controler.ComputeConfigurationResourceName(config_name, name), True)
        elif data in [ITEM_TRANSITION, ITEM_ACTION]:
            pou_name = GetParentName(self.TypesTree, select_item, ITEM_POU)
            if data == ITEM_TRANSITION:
                tagname = self.Controler.ComputePouTransitionName(pou_name, name)
            elif data == ITEM_ACTION:
                tagname = self.Controler.ComputePouActionName(pou_name, name)
            self.EditProjectElement(data, tagname, True)
    
    def OnTypesTreeLeftUp(self, event):
        if self.SelectedItem is not None:
            self.TypesTree.SelectItem(self.SelectedItem)
            self.TypesTreeItemSelect(self.SelectedItem)
            wx.CallAfter(self.ResetSelectedItem)
        event.Skip()
    
    def OnTypesTreeItemSelected(self, event):
        self.TypesTreeItemSelect(event.GetItem())
        event.Skip()
    
    def OnTypesTreeItemChanging(self, event):
        if self.TypesTree.GetPyData(event.GetItem()) not in ITEMS_UNEDITABLE and self.SelectedItem is None:
            self.SelectedItem = event.GetItem()
            event.Veto()
        else:
            event.Skip()
    
    def EditProjectElement(self, elementtype, tagname, onlyopened = False):
        openedidx = self.IsOpened(tagname)
        if openedidx is not None:
            old_selected = self.TabsOpened.GetSelection()
            if old_selected != openedidx:
                if old_selected >= 0:
                    self.TabsOpened.GetPage(old_selected).ResetBuffer()
                self.TabsOpened.SetSelection(openedidx)
            self.VariablePanelIndexer.ChangeVariablePanel(tagname)
            self.RefreshPageTitles()
            self._Refresh(FILEMENU, EDITMENU, TOOLBAR)
        elif not onlyopened:
            if elementtype == ITEM_CONFIGURATION:
                new_window = ConfigurationEditor(self.TabsOpened, tagname, self, self.Controler)
                self.AddPage(new_window, "")
                self.VariablePanelIndexer.AddVariablePanel(tagname, "config")
            elif elementtype == ITEM_RESOURCE:
                new_window = ResourceEditor(self.TabsOpened, tagname, self, self.Controler)
                self.AddPage(new_window, "")
                self.VariablePanelIndexer.AddVariablePanel(tagname, "resource")
            elif elementtype in [ITEM_POU, ITEM_TRANSITION, ITEM_ACTION]:
                bodytype = self.Controler.GetEditedElementBodyType(tagname)
                if bodytype == "FBD":
                    new_window = Viewer(self.TabsOpened, tagname, self, self.Controler)
                    new_window.RefreshScaling(False)
                elif bodytype == "LD":
                    new_window = LD_Viewer(self.TabsOpened, tagname, self, self.Controler)
                    new_window.RefreshScaling(False)
                elif bodytype == "SFC":
                    new_window = SFC_Viewer(self.TabsOpened, tagname, self, self.Controler)
                    new_window.RefreshScaling(False)
                else:
                    new_window = TextViewer(self.TabsOpened, tagname, self, self.Controler)
                    new_window.SetTextSyntax(bodytype)
                    if bodytype == "IL":
                        new_window.SetKeywords(IL_KEYWORDS)
                    else:
                        new_window.SetKeywords(ST_KEYWORDS)
                self.AddPage(new_window, "")
                words = tagname.split("::")
                self.VariablePanelIndexer.AddVariablePanel(tagname, self.Controler.GetPouType(words[1]))
            elif elementtype == ITEM_DATATYPE:
                new_window = DataTypeEditor(self.TabsOpened, tagname, self, self.Controler)
                self.AddPage(new_window, "")
            self.VariablePanelIndexer.ChangeVariablePanel(tagname)
            openedidx = self.IsOpened(tagname)
            old_selected = self.TabsOpened.GetSelection()
            if old_selected != openedidx:
                if old_selected >= 0:
                    self.TabsOpened.GetPage(old_selected).ResetBuffer()
            for i in xrange(self.TabsOpened.GetPageCount()):
                window = self.TabsOpened.GetPage(i)
                if window.GetTagName() == tagname:
                    self.TabsOpened.SetSelection(i)
                    window.SetFocus()
                    self.RefreshPageTitles()
    
    def OnTypesTreeRightUp(self, event):
        if wx.Platform == '__WXMSW__':
            item = event.GetItem()
        else:
            item, flags = self.TypesTree.HitTest(wx.Point(event.GetX(), event.GetY()))
        self.TypesTree.SelectItem(item)
        self.TypesTreeItemSelect(item)
        name = self.TypesTree.GetItemText(item)
        type = self.TypesTree.GetPyData(item)
        if type == ITEM_POU:
            menu = wx.Menu(title='')
            if self.Controler.GetPouBodyType(name) == "SFC":
                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add Transition"))
                self.Bind(wx.EVT_MENU, self.GenerateAddTransitionFunction(name), id=new_id)
                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add Action"))
                self.Bind(wx.EVT_MENU, self.GenerateAddActionFunction(name), id=new_id)
                menu.AppendSeparator()

            new_id = wx.NewId()
            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Copy POU"))
            self.Bind(wx.EVT_MENU, self.OnCopyPou, id=new_id)

            pou_type = self.Controler.GetPouType(name)
            if pou_type in ["function", "functionBlock"]:
                change_menu = wx.Menu(title='')
                if pou_type == "function":
                    new_id = wx.NewId()
                    AppendMenu(change_menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Function Block"))
                    self.Bind(wx.EVT_MENU, self.GenerateChangePouTypeFunction(name, "functionBlock"), id=new_id)
                new_id = wx.NewId()
                AppendMenu(change_menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Program"))
                self.Bind(wx.EVT_MENU, self.GenerateChangePouTypeFunction(name, "program"), id=new_id)
                menu.AppendMenu(wx.NewId(), _("Change POU Type To"), change_menu)
            new_id = wx.NewId()
            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Rename"))
            self.Bind(wx.EVT_MENU, self.OnRenamePouMenu, id=new_id)
            new_id = wx.NewId()
            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Delete"))
            self.Bind(wx.EVT_MENU, self.OnDeleteMenu, id=new_id)
            self.PopupMenu(menu)
        elif type == ITEM_CONFIGURATION:
            menu = wx.Menu(title='')
            new_id = wx.NewId()
            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add Resource"))
            self.Bind(wx.EVT_MENU, self.GenerateAddResourceFunction(name), id=new_id)
            new_id = wx.NewId()
            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Delete"))
            self.Bind(wx.EVT_MENU, self.OnDeleteMenu, id=new_id)
            self.PopupMenu(menu)
        elif type in [ITEM_DATATYPE, ITEM_TRANSITION, ITEM_ACTION, ITEM_RESOURCE]:
            menu = wx.Menu(title='')
            new_id = wx.NewId()
            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Delete"))
            self.Bind(wx.EVT_MENU, self.OnDeleteMenu, id=new_id)
            self.PopupMenu(menu)
        elif type in ITEMS_UNEDITABLE:
            name = UNEDITABLE_NAMES_DICT[name]
            if name == "Data Types":
                menu = wx.Menu(title='')
                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add DataType"))
                self.Bind(wx.EVT_MENU, self.OnAddDataTypeMenu, id=new_id)
                self.PopupMenu(menu)
            elif name in ["Functions", "Function Blocks", "Programs"]:
                menu = wx.Menu(title='')

                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add POU"))
                self.Bind(wx.EVT_MENU, self.GenerateAddPouFunction({"Functions" : "function", "Function Blocks" : "functionBlock", "Programs" : "program"}[name]), id=new_id)

                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Paste POU"))
                self.Bind(wx.EVT_MENU, self.OnPastePou, id=new_id)
                if self.GetCopyBuffer() is None:
                    menu.Enable(new_id, False)

                self.PopupMenu(menu)
            elif name == "Configurations":
                menu = wx.Menu(title='')
                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add Configuration"))
                self.Bind(wx.EVT_MENU, self.OnAddConfigurationMenu, id=new_id)
                self.PopupMenu(menu)
            elif name == "Transitions":
                menu = wx.Menu(title='')
                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add Transition"))
                parent = self.TypesTree.GetItemParent(item)
                parent_type = self.TypesTree.GetPyData(parent)
                while parent_type != ITEM_POU:
                    parent = self.TypesTree.GetItemParent(parent)
                    parent_type = self.TypesTree.GetPyData(parent)
                self.Bind(wx.EVT_MENU, self.GenerateAddTransitionFunction(self.TypesTree.GetItemText(parent)), id=new_id)
                self.PopupMenu(menu)
            elif name == "Actions":
                menu = wx.Menu(title='')
                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add Action"))
                parent = self.TypesTree.GetItemParent(item)
                parent_type = self.TypesTree.GetPyData(parent)
                while parent_type != ITEM_POU:
                    parent = self.TypesTree.GetItemParent(parent)
                    parent_type = self.TypesTree.GetPyData(parent)
                self.Bind(wx.EVT_MENU, self.GenerateAddActionFunction(self.TypesTree.GetItemText(parent)), id=new_id)
                self.PopupMenu(menu)
            elif name == "Resources":
                menu = wx.Menu(title='')
                new_id = wx.NewId()
                AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Add Resource"))
                parent = self.TypesTree.GetItemParent(item)
                parent_type = self.TypesTree.GetPyData(parent)
                while parent_type != ITEM_CONFIGURATION:
                    parent = self.TypesTree.GetItemParent(parent)
                    parent_type = self.TypesTree.GetPyData(parent)
                self.Bind(wx.EVT_MENU, self.GenerateAddResourceFunction(self.TypesTree.GetItemText(parent)), id=new_id)
                self.PopupMenu(menu)
        event.Skip()


#-------------------------------------------------------------------------------
#                         Instances Tree Management Functions
#-------------------------------------------------------------------------------

    def RefreshInstancesTree(self):
        infos = self.Controler.GetProjectTopology(self.EnableDebug)
        root = self.InstancesTree.GetRootItem()
        if not root.IsOk():
            root = self.InstancesTree.AddRoot(infos["name"])
        self.GenerateInstancesTreeBranch(root, infos)
        self.InstancesTree.Expand(root)

    def GenerateInstancesTreeBranch(self, root, infos):
        to_delete = []
        if infos.get("elmt_type", None) is not None:
            self.InstancesTree.SetItemText(root, "%s (%s)"%(infos["name"], infos["elmt_type"]))
        else:
            self.InstancesTree.SetItemText(root, infos["name"])
        self.InstancesTree.SetPyData(root, (infos["type"], infos.get("tagname", None)))
        self.InstancesTree.SetItemImage(root, self.TreeImageDict[infos["type"]])
            
        if wx.VERSION >= (2, 6, 0):
            item, root_cookie = self.InstancesTree.GetFirstChild(root)
        else:
            item, root_cookie = self.InstancesTree.GetFirstChild(root, 0)
        for values in infos["values"]:
            if not item.IsOk():
                item = self.InstancesTree.AppendItem(root, "")
                if wx.Platform != '__WXMSW__':
                    item, root_cookie = self.InstancesTree.GetNextChild(root, root_cookie)
            self.GenerateInstancesTreeBranch(item, values)
            item, root_cookie = self.InstancesTree.GetNextChild(root, root_cookie)
        while item.IsOk():
            to_delete.append(item)
            item, root_cookie = self.InstancesTree.GetNextChild(root, root_cookie)
        for item in to_delete:
            self.InstancesTree.Delete(item)
        if infos["type"] in [ITEM_CONFIGURATION, ITEM_RESOURCE]:
            self.InstancesTree.Expand(root)

    def OnInstancesTreeBeginDrag(self, event):
        if self.Controler.DebugAvailable():
            selected_item = event.GetItem()
            selected_infos = self.InstancesTree.GetPyData(selected_item)
            if selected_item is not None and selected_infos[0] in ITEMS_VARIABLE:
                var_path = self.InstancesTree.GetItemText(selected_item).split(" (")[0]
                parent_item = self.InstancesTree.GetItemParent(selected_item)
                while self.InstancesTree.GetPyData(parent_item)[0] != ITEM_PROJECT:
                    parent_name = self.InstancesTree.GetItemText(parent_item).split(" (")[0]
                    var_path = "%s.%s"%(parent_name, var_path)
                    parent_item = self.InstancesTree.GetItemParent(parent_item)
                data = wx.TextDataObject(str((var_path, "debug")))
                dragSource = wx.DropSource(self.InstancesTree)
                dragSource.SetData(data)
                dragSource.DoDragDrop()
            event.Skip()
        else:
            event.Veto()

    def OnInstancesTreeItemActivated(self, event):
        if self.Controler.DebugAvailable():
            selected_item = event.GetItem()
            selected_infos = self.InstancesTree.GetPyData(selected_item)
            if selected_item is not None and selected_infos[0] in [ITEM_FUNCTIONBLOCK, ITEM_PROGRAM, ITEM_TRANSITION, ITEM_ACTION]:
                instance_path = self.InstancesTree.GetItemText(selected_item).split(" (")[0]
                parent_item = self.InstancesTree.GetItemParent(selected_item)
                while self.InstancesTree.GetPyData(parent_item)[0] != ITEM_PROJECT:
                    parent_name = self.InstancesTree.GetItemText(parent_item).split(" (")[0]
                    instance_path = "%s.%s"%(parent_name, instance_path)
                    parent_item = self.InstancesTree.GetItemParent(parent_item)
                openedidx = self.IsOpened(instance_path)
                if openedidx is not None:
                    old_selected = self.TabsOpened.GetSelection()
                    if old_selected != openedidx:
                        if old_selected >= 0:
                            self.TabsOpened.GetPage(old_selected).ResetBuffer()
                        self.TabsOpened.SetSelection(openedidx)
                elif selected_infos[1] is not None:
                    bodytype = self.Controler.GetEditedElementBodyType(selected_infos[1], True)
                    if bodytype == "FBD":
                        new_window = Viewer(self.TabsOpened, selected_infos[1], self, self.Controler, True, instance_path)
                        new_window.RefreshScaling(False)
                    elif bodytype == "LD":
                        new_window = LD_Viewer(self.TabsOpened, selected_infos[1], self, self.Controler, True, instance_path)
                        new_window.RefreshScaling(False)
                    elif bodytype == "SFC":
                        new_window = SFC_Viewer(self.TabsOpened, selected_infos[1], self, self.Controler, True, instance_path)
                        new_window.RefreshScaling(False)
                    else:
                        new_window = TextViewer(self.TabsOpened, selected_infos[1], self, self.Controler, True, instance_path)
                        new_window.SetTextSyntax(bodytype)
                        if bodytype == "IL":
                            new_window.SetKeywords(IL_KEYWORDS)
                        else:
                            new_window.SetKeywords(ST_KEYWORDS)
                    self.AddPage(new_window, "")
                    new_window.SetFocus()
                    self.RefreshPageTitles()
            if selected_item is not None and selected_infos[0] in ITEMS_VARIABLE:
                var_path, var_type = self.InstancesTree.GetItemText(selected_item).split(" (")
                var_type = var_type.split(")")[0]
                
                if self.Controler.IsOfType(var_type, "ANY_NUM", True) or\
                   self.Controler.IsOfType(var_type, "ANY_BIT", True):
                    parent_item = self.InstancesTree.GetItemParent(selected_item)
                    while self.InstancesTree.GetPyData(parent_item)[0] != ITEM_PROJECT:
                        parent_name = self.InstancesTree.GetItemText(parent_item).split(" (")[0]
                        var_path = "%s.%s"%(parent_name, var_path)
                        parent_item = self.InstancesTree.GetItemParent(parent_item)
                    
                    self.OpenGraphicViewer(var_path)
        event.Skip()

    def OpenGraphicViewer(self, var_path):
        new_window = GraphicViewer(self.TabsOpened, self, self.Controler, var_path)
        self.AddPage(new_window, "")
        new_window.SetFocus()
        self.RefreshPageTitles()

    def OnInstancesTreeRightUp(self, event):
        if self.Controler.DebugAvailable():
            if wx.Platform == '__WXMSW__':
                selected_item = event.GetItem()
            else:
                selected_item = self.InstancesTree.GetSelection()
            selected_infos = self.InstancesTree.GetPyData(selected_item)
            if selected_item is not None and selected_infos[0] in ITEMS_VARIABLE:
                var_path, var_type = self.InstancesTree.GetItemText(selected_item).split(" (")
                var_type = var_type.split(")")[0]
                
                if self.Controler.IsOfType(var_type, "ANY_NUM", True) or\
                   self.Controler.IsOfType(var_type, "ANY_BIT", True):
                    parent_item = self.InstancesTree.GetItemParent(selected_item)
                    while self.InstancesTree.GetPyData(parent_item)[0] != ITEM_PROJECT:
                        parent_name = self.InstancesTree.GetItemText(parent_item).split(" (")[0]
                        var_path = "%s.%s"%(parent_name, var_path)
                        parent_item = self.InstancesTree.GetItemParent(parent_item)
                    
                    menu = wx.Menu(title='')
                    new_id = wx.NewId()
                    AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Graphic Panel"))
                    self.Bind(wx.EVT_MENU, self.AddVariableGraphicFunction(var_path), id=new_id)
                    new_id = wx.NewId()
                    AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("CSV Log"))
                    self.PopupMenu(menu)
        event.Skip()

    def AddVariableGraphicFunction(self, iec_path):
        def AddVariableGraphic(event):
            self.OpenGraphicViewer(iec_path)
            event.Skip()
        return AddVariableGraphic

    def SelectInstancesTreeItem(self, root, instancepath):
        found = False
        if self.InstancesTree is not None:
            paths = instancepath.split(".", 1)
            if wx.VERSION >= (2, 6, 0):
                item, root_cookie = self.InstancesTree.GetFirstChild(root)
            else:
                item, root_cookie = self.InstancesTree.GetFirstChild(root, 0)
            while item.IsOk() and not found:
                name = self.InstancesTree.GetItemText(item).split(" (")[0]
                if name == paths[0]:
                    if len(paths) == 1:
                        self.InstancesTree.SelectItem(item)
                        return True
                    else:
                        found = self.SelectInstancesTreeItem(item, paths[1])
                item, root_cookie = self.InstancesTree.GetNextChild(root, root_cookie)
        return found

    def ResetGraphicViewers(self):
        for i in xrange(self.TabsOpened.GetPageCount()):
            editor = self.TabsOpened.GetPage(i)
            if isinstance(editor, GraphicViewer):
                editor.ResetView()

    def CloseDebugTabs(self):
        if self.EnableDebug:
            idxs = range(self.TabsOpened.GetPageCount())
            idxs.reverse()
            for idx in idxs:
                window = self.TabsOpened.GetPage(idx)
                if window.IsDebugging():
                    self.TabsOpened.DeletePage(idx)
            self.DebugVariablePanel.ResetGrid()
    
    def AddDebugVariable(self, iec_path):
        if self.EnableDebug:
            self.DebugVariablePanel.InsertValue(iec_path)
            
#-------------------------------------------------------------------------------
#                         Library Tree Management Functions
#-------------------------------------------------------------------------------

    def RefreshLibraryTree(self):
        to_delete = []
        blocktypes = self.Controler.GetBlockTypes()
        root = self.LibraryTree.GetRootItem()
        if not root.IsOk():
            if wx.Platform == '__WXMSW__':
                root = self.LibraryTree.AddRoot(_("Block Types"))
                self.LibraryTree.SetPyData(root, {"type" : CATEGORY})
            else:
                root = self.LibraryTree.AddRoot("")
        if wx.VERSION >= (2, 6, 0):
            category_item, root_cookie = self.LibraryTree.GetFirstChild(root)
        else:
            category_item, root_cookie = self.LibraryTree.GetFirstChild(root, 0)
        for category in blocktypes:
            category_name = category["name"]
            if not category_item.IsOk():
                category_item = self.LibraryTree.AppendItem(root, _(category_name))
                if wx.Platform != '__WXMSW__':
                    category_item, root_cookie = self.LibraryTree.GetNextChild(root, root_cookie)
            else:
                self.LibraryTree.SetItemText(category_item, _(category_name))
            self.LibraryTree.SetPyData(category_item, {"type" : CATEGORY})
            if wx.VERSION >= (2, 6, 0):
                blocktype_item, category_cookie = self.LibraryTree.GetFirstChild(category_item)
            else:
                blocktype_item, category_cookie = self.LibraryTree.GetFirstChild(category_item, 0)        
            for blocktype in category["list"]:
                if not blocktype_item.IsOk():
                    blocktype_item = self.LibraryTree.AppendItem(category_item, blocktype["name"])
                    if wx.Platform != '__WXMSW__':
                        blocktype_item, category_cookie = self.LibraryTree.GetNextChild(category_item, category_cookie)
                else:
                    self.LibraryTree.SetItemText(blocktype_item, blocktype["name"])
                self.LibraryTree.SetPyData(blocktype_item, {"type" : BLOCK, "block_type" : blocktype["type"], "inputs" : tuple([type for name, type, modifier in blocktype["inputs"]])})
                blocktype_item, category_cookie = self.LibraryTree.GetNextChild(category_item, category_cookie)
            while blocktype_item.IsOk():
                to_delete.append(blocktype_item)
                blocktype_item, category_cookie = self.LibraryTree.GetNextChild(category_item, category_cookie)
            category_item, root_cookie = self.LibraryTree.GetNextChild(root, root_cookie)
        while category_item.IsOk():
            to_delete.append(category_item)
            category_item, root_cookie = self.LibraryTree.GetNextChild(root, root_cookie)
        for item in to_delete:
            self.LibraryTree.Delete(item)
        if wx.Platform == '__WXMSW__':        
            self.LibraryTree.Expand(root)

    def OnLibraryTreeItemSelected(self, event):
        selected = event.GetItem()
        pydata = self.LibraryTree.GetPyData(selected)
        if pydata is not None and pydata["type"] != CATEGORY:
            blocktype = self.Controler.GetBlockType(self.LibraryTree.GetItemText(selected), pydata["inputs"])
            if blocktype:
                comment = blocktype["comment"]
                self.LibraryComment.SetValue(_(comment) + blocktype.get("usage", ""))
            else:
                self.LibraryComment.SetValue("")
        else:
            self.LibraryComment.SetValue("")
        event.Skip()

    def OnLibraryTreeBeginDrag(self, event):
        selected = event.GetItem()
        pydata = self.LibraryTree.GetPyData(selected)
        if pydata is not None and pydata["type"] == BLOCK:
            data = wx.TextDataObject(str((self.LibraryTree.GetItemText(selected), 
                pydata["block_type"], "", pydata["inputs"])))
            dragSource = wx.DropSource(self.LibraryTree)
            dragSource.SetData(data)
            dragSource.DoDragDrop()

#-------------------------------------------------------------------------------
#                          ToolBar Management Functions
#-------------------------------------------------------------------------------

    def ResetToolBar(self):
        for item in self.CurrentToolBar:
            if wx.VERSION >= (2, 6, 0):
                self.Unbind(wx.EVT_MENU, id=item)
            else:
                self.Disconnect(id=item, eventType=wx.wxEVT_COMMAND_MENU_SELECTED) 
            
            if USE_AUI:
                ToolBar = self.Panes["ToolBar"]
            else:
                ToolBar = self.ToolBar
            if ToolBar:
                ToolBar.DeleteTool(item)
                ToolBar.Realize()
                if USE_AUI:
                    self.AUIManager.GetPane("ToolBar").BestSize(ToolBar.GetBestSize())
                    self.AUIManager.Update()

    def RefreshToolBar(self):
        selected = self.TabsOpened.GetSelection()
        language = None
        if selected != -1:
            window = self.TabsOpened.GetPage(selected)
            if not window.IsDebugging():
                language = self.Controler.GetEditedElementBodyType(window.GetTagName())
        if language is not None and language != self.CurrentLanguage:
            self.ResetToolBar()
            self.CurrentLanguage = language
            self.CurrentToolBar = []
            if USE_AUI:
                ToolBar = self.Panes["ToolBar"]
            else:
                ToolBar = self.ToolBar
            if ToolBar:
                for radio, modes, id, method, picture, help in ToolBarItems[language]:
                    if modes & self.DrawingMode:
                        if radio or self.DrawingMode == FREEDRAWING_MODE:
                            ToolBar.AddRadioTool(id, wx.Bitmap(os.path.join(CWD, "Images", picture)), wx.NullBitmap, help)
                        else:
                            ToolBar.AddSimpleTool(id, wx.Bitmap(os.path.join(CWD, "Images", picture)), help)
                        self.Bind(wx.EVT_TOOL, getattr(self, method), id=id)
                        self.CurrentToolBar.append(id)
                ToolBar.Realize()
                if USE_AUI:
                    self.AUIManager.GetPane("ToolBar").BestSize(ToolBar.GetBestSize())
                    self.AUIManager.Update()
        elif not language:
            self.ResetToolBar()
            self.CurrentLanguage = language
        self.ResetCurrentMode()


#-------------------------------------------------------------------------------
#                           ToolBar Items Functions
#-------------------------------------------------------------------------------

    def ResetCurrentMode(self):
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            window = self.TabsOpened.GetPage(selected)
            window.SetMode(MODE_SELECTION)
        if USE_AUI:
            ToolBar = self.Panes["ToolBar"]
        else:
            ToolBar = self.ToolBar
        if ToolBar:
            ToolBar.ToggleTool(ID_PLCOPENEDITORTOOLBARSELECTION, False)
            ToolBar.ToggleTool(ID_PLCOPENEDITORTOOLBARSELECTION, True)
        
    def ResetToolToggle(self, id):
        if USE_AUI:
            tool = self.Panes["ToolBar"].FindById(id)
        else:
            tool = self.ToolBar.FindById(id)
        tool.SetToggle(False)

    def OnSelectionTool(self, event):
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_SELECTION)
    
    def OnMotionTool(self, event):
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_MOTION)
    
    def OnCommentTool(self, event):
        self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARCOMMENT)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_COMMENT)
    
    def OnVariableTool(self, event):
        self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARVARIABLE)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_VARIABLE)
    
    def OnBlockTool(self, event):
        self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARBLOCK)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_BLOCK)
        
    def OnConnectionTool(self, event):
        self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARCONNECTION)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_CONNECTION)
    
    def OnPowerRailTool(self, event):
        self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARPOWERRAIL)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_POWERRAIL)
    
    def OnRungTool(self, event):
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).AddLadderRung()
        event.Skip()
    
    def OnCoilTool(self, event):
        self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARCOIL)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_COIL)
        event.Skip()
    
    def OnContactTool(self, event):
        if self.DrawingMode == FREEDRAWING_MODE:
            self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARCONTACT)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            if self.DrawingMode == FREEDRAWING_MODE:
                self.TabsOpened.GetPage(selected).SetMode(MODE_CONTACT)
            else:
                self.TabsOpened.GetPage(selected).AddLadderContact()
    
    def OnBranchTool(self, event): 
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).AddLadderBranch()
    
    def OnInitialStepTool(self, event):
        self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARINITIALSTEP)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_INITIALSTEP)
    
    def OnStepTool(self, event):
        if self.GetDrawingMode() == FREEDRAWING_MODE:
            self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARSTEP)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            if self.GetDrawingMode() == FREEDRAWING_MODE:
                self.TabsOpened.GetPage(selected).SetMode(MODE_STEP)
            else:
                self.TabsOpened.GetPage(selected).AddStep()
    
    def OnActionBlockTool(self, event):
        if self.GetDrawingMode() == FREEDRAWING_MODE:
            self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARACTIONBLOCK)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            if self.GetDrawingMode() == FREEDRAWING_MODE:
                self.TabsOpened.GetPage(selected).SetMode(MODE_ACTION)
            else:
                self.TabsOpened.GetPage(selected).AddStepAction()
    
    def OnTransitionTool(self, event):
        self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARTRANSITION)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            self.TabsOpened.GetPage(selected).SetMode(MODE_TRANSITION)
    
    def OnDivergenceTool(self, event):
        if self.GetDrawingMode() == FREEDRAWING_MODE:
            self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARDIVERGENCE)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            if self.GetDrawingMode() == FREEDRAWING_MODE:
                self.TabsOpened.GetPage(selected).SetMode(MODE_DIVERGENCE)
            else:
                self.TabsOpened.GetPage(selected).AddDivergence()
    
    def OnJumpTool(self, event):
        if self.GetDrawingMode() == FREEDRAWING_MODE:
            self.ResetToolToggle(ID_PLCOPENEDITORTOOLBARJUMP)
        selected = self.TabsOpened.GetSelection()
        if selected != -1:
            if self.GetDrawingMode() == FREEDRAWING_MODE:
                self.TabsOpened.GetPage(selected).SetMode(MODE_JUMP)
            else:
                self.TabsOpened.GetPage(selected).AddJump()
    

#-------------------------------------------------------------------------------
#                         Add Project Elements Functions
#-------------------------------------------------------------------------------

    def OnAddDataTypeMenu(self, event):
        dialog = DataTypeDialog(self, _("Add a new data type"), _("Please enter data type name"), "", wx.OK|wx.CANCEL)
        dialog.SetDataTypeNames(self.Controler.GetProjectDataTypeNames())
        if dialog.ShowModal() == wx.ID_OK:
            tagname = self.Controler.ProjectAddDataType(dialog.GetValue())
            if tagname is not None:
                self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE)
                self.EditProjectElement(ITEM_DATATYPE, tagname)
        dialog.Destroy()

    def GenerateAddPouFunction(self, pou_type):
        def OnAddPouMenu(event):
            dialog = PouDialog(self, pou_type)
            dialog.SetPouNames(self.Controler.GetProjectPouNames())
            dialog.SetPouElementNames(self.Controler.GetProjectPouVariables())
            if dialog.ShowModal() == wx.ID_OK:
                values = dialog.GetValues()
                tagname = self.Controler.ProjectAddPou(values["pouName"], values["pouType"], values["language"])
                if tagname is not None:
                    self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE, LIBRARYTREE)
                    self.EditProjectElement(ITEM_POU, tagname)
            dialog.Destroy()
        return OnAddPouMenu

    def GenerateAddTransitionFunction(self, pou_name):
        def OnAddTransitionMenu(event):
            dialog = PouTransitionDialog(self)
            dialog.SetPouNames(self.Controler.GetProjectPouNames())
            dialog.SetPouElementNames(self.Controler.GetProjectPouVariables(pou_name))
            if dialog.ShowModal() == wx.ID_OK: 
                values = dialog.GetValues()
                tagname = self.Controler.ProjectAddPouTransition(pou_name, values["transitionName"], values["language"])
                if tagname is not None:
                    self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE)
                    self.EditProjectElement(ITEM_TRANSITION, tagname)
            dialog.Destroy()
        return OnAddTransitionMenu

    def GenerateAddActionFunction(self, pou_name):
        def OnAddActionMenu(event):
            dialog = PouActionDialog(self)
            dialog.SetPouNames(self.Controler.GetProjectPouNames())
            dialog.SetPouElementNames(self.Controler.GetProjectPouVariables(pou_name))
            if dialog.ShowModal() == wx.ID_OK:
                values = dialog.GetValues()
                tagname = self.Controler.ProjectAddPouAction(pou_name, values["actionName"], values["language"])
                if tagname is not None:
                    self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE)
                    self.EditProjectElement(ITEM_ACTION, tagname)
            dialog.Destroy()
        return OnAddActionMenu

    def OnAddConfigurationMenu(self, event):
        dialog = ConfigurationNameDialog(self, _("Please enter configuration name"), _("Add new configuration"))
        dialog.SetPouNames(self.Controler.GetProjectPouNames())
        dialog.SetPouElementNames(self.Controler.GetProjectPouVariables())
        if dialog.ShowModal() == wx.ID_OK:
            value = dialog.GetValue()
            tagname = self.Controler.ProjectAddConfiguration(value)
            if tagname is not None:
                self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE, INSTANCESTREE)
                self.EditProjectElement(ITEM_CONFIGURATION, tagname)
        dialog.Destroy()

    def GenerateAddResourceFunction(self, config_name):
        def OnAddResourceMenu(event):
            dialog = ResourceNameDialog(self, _("Please enter resource name"), _("Add new resource"))
            dialog.SetPouNames(self.Controler.GetProjectPouNames())
            dialog.SetPouElementNames(self.Controler.GetProjectPouVariables())
            if dialog.ShowModal() == wx.ID_OK:
                value = dialog.GetValue()
                tagname = self.Controler.ProjectAddConfigurationResource(config_name, value)
                if tagname is not None:
                    self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE, INSTANCESTREE)
                    self.EditProjectElement(ITEM_RESOURCE, tagname)
            dialog.Destroy()
        return OnAddResourceMenu

    def GenerateChangePouTypeFunction(self, name, new_type):
        def OnChangePouTypeMenu(event):
            selected = self.TypesTree.GetSelection()
            if self.TypesTree.GetPyData(selected) == ITEM_POU: 
                self.Controler.ProjectChangePouType(name, new_type)
                self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU, TYPESTREE, LIBRARYTREE)
        return OnChangePouTypeMenu

    def OnCopyPou(self, event):
        selected = self.TypesTree.GetSelection()
        pou_name = self.TypesTree.GetItemText(selected)
        
        pou_xml = self.Controler.GetPouXml(pou_name)
        if pou_xml is not None:
            self.SetCopyBuffer(pou_xml)
            self._Refresh(EDITMENU)

    def OnPastePou(self, event):
        selected = self.TypesTree.GetSelection()

        pou_type = self.TypesTree.GetItemText(selected)
        pou_type = UNEDITABLE_NAMES_DICT[pou_type] # one of 'Functions', 'Function Blocks' or 'Programs'
        pou_type = {'Functions': 'function', 'Function Blocks': 'functionBlock', 'Programs': 'program'}[pou_type]

        pou_xml = self.GetCopyBuffer()

        result = self.Controler.PastePou(pou_type, pou_xml)

        if result is not None:
            message = wx.MessageDialog(self, result, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        else:
            self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU, TYPESTREE, LIBRARYTREE)

#-------------------------------------------------------------------------------
#                        Remove Project Elements Functions
#-------------------------------------------------------------------------------

    def OnRemoveDataTypeMenu(self, event):
        selected = self.TypesTree.GetSelection()
        if self.TypesTree.GetPyData(selected) == ITEM_DATATYPE:
            name = self.TypesTree.GetItemText(selected)
            if not self.Controler.DataTypeIsUsed(name):
                self.Controler.ProjectRemoveDataType(name)
                tagname = self.Controler.ComputeDataTypeName(name)
                idx = self.IsOpened(tagname)
                if idx is not None:
                    self.TabsOpened.DeletePage(idx)
                self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU, TYPESTREE)
            else:
                self.ShowErrorMessage(_("\"%s\" is used by one or more POUs. It can't be removed!"))

    def OnRenamePouMenu(self, event):
        selected = self.TypesTree.GetSelection()
        if self.TypesTree.GetPyData(selected) == ITEM_POU: 
            wx.CallAfter(self.TypesTree.EditLabel, selected)

    def OnRemovePouMenu(self, event):
        selected = self.TypesTree.GetSelection()
        if self.TypesTree.GetPyData(selected) == ITEM_POU:
            name = self.TypesTree.GetItemText(selected)
            if not self.Controler.PouIsUsed(name):
                self.Controler.ProjectRemovePou(name)
                tagname = self.Controler.ComputePouName(name)
                idx = self.IsOpened(tagname)
                if idx is not None:
                    self.VariablePanelIndexer.RemoveVariablePanel(tagname)
                    self.TabsOpened.DeletePage(idx)
                self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU, TYPESTREE, INSTANCESTREE, LIBRARYTREE)
            else:
                self.ShowErrorMessage(_("\"%s\" is used by one or more POUs. It can't be removed!"))

    def OnRemoveTransitionMenu(self, event):
        selected = self.TypesTree.GetSelection()
        if self.TypesTree.GetPyData(selected) == ITEM_TRANSITION: 
            transition = self.TypesTree.GetItemText(selected)
            item = self.TypesTree.GetItemParent(selected)
            item_type = self.TypesTree.GetPyData(item)
            while item_type != ITEM_POU:
                item = self.TypesTree.GetItemParent(item)
                item_type = self.TypesTree.GetPyData(item)
            pou_name = self.TypesTree.GetItemText(item)
            self.Controler.ProjectRemovePouTransition(pou_name, transition)
            tagname = self.Controler.ComputePouTransitionName(pou_name, transition)
            idx = self.IsOpened(tagname)
            if idx is not None:
                self.VariablePanelIndexer.RemoveVariablePanel(tagname)
                self.TabsOpened.DeletePage(idx)
            self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE)

    def OnRemoveActionMenu(self, event):
        selected = self.TypesTree.GetSelection()
        if self.TypesTree.GetPyData(selected) == ITEM_ACTION: 
            action = self.TypesTree.GetItemText(selected)
            item = self.TypesTree.GetItemParent(selected)
            item_type = self.TypesTree.GetPyData(item)
            while item_type != ITEM_POU:
                item = self.TypesTree.GetItemParent(item)
                item_type = self.TypesTree.GetPyData(item)
            pou_name = self.TypesTree.GetItemText(item)
            self.Controler.ProjectRemovePouAction(pou_name, action)
            tagname = self.Controler.ComputePouActionName(pou_name, action)
            idx = self.IsOpened(tagname)
            if idx is not None:
                self.VariablePanelIndexer.RemoveVariablePanel(tagname)
                self.TabsOpened.DeletePage(idx)
            self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE)

    def OnRemoveConfigurationMenu(self, event):
        selected = self.TypesTree.GetSelection()
        if self.TypesTree.GetPyData(selected) == ITEM_CONFIGURATION: 
            name = self.TypesTree.GetItemText(selected)
            self.Controler.ProjectRemoveConfiguration(name)
            tagname = self.Controler.ComputeConfigurationName(name)
            idx = self.IsOpened(tagname)
            if idx is not None:
                self.VariablePanelIndexer.RemoveVariablePanel(tagname)
                self.TabsOpened.DeletePage(idx)
            self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE, INSTANCESTREE)

    def OnRemoveResourceMenu(self, event):
        selected = self.TypesTree.GetSelection()
        if self.TypesTree.GetPyData(selected) == ITEM_RESOURCE:
            resource = self.TypesTree.GetItemText(selected)
            item = self.TypesTree.GetItemParent(selected)
            item_type = self.TypesTree.GetPyData(item)
            while item_type != ITEM_CONFIGURATION:
                item = self.TypesTree.GetItemParent(item)
                item_type = self.TypesTree.GetPyData(item)
            config_name = self.TypesTree.GetItemText(item)
            self.Controler.ProjectRemoveConfigurationResource(config_name, resource)
            tagname = self.Controler.ComputeConfigurationResourceName(config_name, selected)
            idx = self.IsOpened(tagname)
            if idx is not None:
                self.VariablePanelIndexer.RemoveVariablePanel(tagname)
                self.TabsOpened.DeletePage(idx)
            self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE, INSTANCESTREE)
    
    def OnPLCOpenEditorMenu(self, event):
        wx.MessageBox(_("No documentation available.\nComing soon."))
        
    def OnPLCOpenMenu(self, event):
        open_pdf(os.path.join(CWD, "plcopen", "TC6_XML_V101.pdf"))
    
    def OnAboutMenu(self, event):
        OpenHtmlFrame(self,_("About PLCOpenEditor"), os.path.join(CWD, "doc","about.html"), wx.Size(350, 350))


#-------------------------------------------------------------------------------
#                        Highlights showing functions
#-------------------------------------------------------------------------------

    def ShowHighlight(self, infos, start, end, highlight_type):
        self.SelectTypesTreeItem(infos[0])
        if infos[1] == "name":
            self.Highlights[infos[0]] = highlight_type
            self.RefreshTypesTree()
            self.TypesTree.Unselect()
        else:
            self.EditProjectElement(self.Controler.GetElementType(infos[0]), infos[0])
            if infos[1] in plcopen.searchResultVarTypes.values() + ["var_local"]:
                self.VariablePanelIndexer.AddVariableHighlight(infos, highlight_type)
            else:
                selected = self.TabsOpened.GetSelection()
                if selected != -1:
                    viewer = self.TabsOpened.GetPage(selected)
                    viewer.AddHighlight(infos[1:], start, end, highlight_type)

    def ShowError(self, infos, start, end):
        self.ShowHighlight(infos, start, end, ERROR_HIGHLIGHT)

    def ShowSearchResult(self, infos, start, end):
        self.ShowHighlight(infos, start, end, SEARCH_RESULT_HIGHLIGHT)

    def ClearHighlights(self, highlight_type=None):
        if highlight_type is None:
            self.Highlights = {}
        else:
            self.Highlights = dict([(name, highlight) for name, highlight in self.Highlights.iteritems() if highlight != highlight_type])
        self.RefreshTypesTree()
        self.VariablePanelIndexer.ClearHighlights(highlight_type)
        for i in xrange(self.TabsOpened.GetPageCount()):
            viewer = self.TabsOpened.GetPage(i)
            viewer.ClearHighlights(highlight_type)

    def ClearErrors(self):
        self.ClearHighlights(ERROR_HIGHLIGHT)

    def ClearSearchResults(self):
        self.ClearHighlights(SEARCH_RESULT_HIGHLIGHT)

#-------------------------------------------------------------------------------
#                            PLCOpenEditor Main Class
#-------------------------------------------------------------------------------

class PLCOpenEditor(IDEFrame):

    # Compatibility function for wx versions < 2.6
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)

    def _init_coll_FileMenu_Items(self, parent):
        AppendMenu(parent, help='', id=wx.ID_NEW,
              kind=wx.ITEM_NORMAL, text=_(u'New\tCTRL+N'))
        AppendMenu(parent, help='', id=wx.ID_OPEN,
              kind=wx.ITEM_NORMAL, text=_(u'Open\tCTRL+O'))
        AppendMenu(parent, help='', id=wx.ID_CLOSE,
              kind=wx.ITEM_NORMAL, text=_(u'Close Tab\tCTRL+W'))
        AppendMenu(parent, help='', id=wx.ID_CLOSE_ALL,
              kind=wx.ITEM_NORMAL, text=_(u'Close Project'))
        parent.AppendSeparator()
        AppendMenu(parent, help='', id=wx.ID_SAVE,
              kind=wx.ITEM_NORMAL, text=_(u'Save\tCTRL+S'))
        AppendMenu(parent, help='', id=wx.ID_SAVEAS,
              kind=wx.ITEM_NORMAL, text=_(u'Save As...\tCTRL+SHIFT+S'))
        AppendMenu(parent, help='', id=ID_PLCOPENEDITORFILEMENUGENERATE,
              kind=wx.ITEM_NORMAL, text=_(u'Generate Program\tCTRL+G'))
        parent.AppendSeparator()
        AppendMenu(parent, help='', id=wx.ID_PAGE_SETUP,
              kind=wx.ITEM_NORMAL, text=_(u'Page Setup'))
        AppendMenu(parent, help='', id=wx.ID_PREVIEW,
              kind=wx.ITEM_NORMAL, text=_(u'Preview'))
        AppendMenu(parent, help='', id=wx.ID_PRINT,
              kind=wx.ITEM_NORMAL, text=_(u'Print'))
        parent.AppendSeparator()
        AppendMenu(parent, help='', id=wx.ID_PROPERTIES,
              kind=wx.ITEM_NORMAL, text=_(u'Properties'))
        parent.AppendSeparator()
        AppendMenu(parent, help='', id=wx.ID_EXIT,
              kind=wx.ITEM_NORMAL, text=_(u'Quit\tCTRL+Q'))
        
        self.Bind(wx.EVT_MENU, self.OnNewProjectMenu, id=wx.ID_NEW)
        self.Bind(wx.EVT_MENU, self.OnOpenProjectMenu, id=wx.ID_OPEN)
        self.Bind(wx.EVT_MENU, self.OnCloseTabMenu, id=wx.ID_CLOSE)
        self.Bind(wx.EVT_MENU, self.OnCloseProjectMenu, id=wx.ID_CLOSE_ALL)
        self.Bind(wx.EVT_MENU, self.OnSaveProjectMenu, id=wx.ID_SAVE)
        self.Bind(wx.EVT_MENU, self.OnSaveProjectAsMenu, id=wx.ID_SAVEAS)
        self.Bind(wx.EVT_MENU, self.OnGenerateProgramMenu,
              id=ID_PLCOPENEDITORFILEMENUGENERATE)
        self.Bind(wx.EVT_MENU, self.OnPageSetupMenu, id=wx.ID_PAGE_SETUP)
        self.Bind(wx.EVT_MENU, self.OnPreviewMenu, id=wx.ID_PREVIEW)
        self.Bind(wx.EVT_MENU, self.OnPrintMenu, id=wx.ID_PRINT)
        self.Bind(wx.EVT_MENU, self.OnPropertiesMenu, id=wx.ID_PROPERTIES)
        self.Bind(wx.EVT_MENU, self.OnQuitMenu, id=wx.ID_EXIT)

    def _init_coll_HelpMenu_Items(self, parent):
        AppendMenu(parent, help='', id=wx.ID_HELP, 
            kind=wx.ITEM_NORMAL, text=_(u'PLCOpenEditor\tF1'))
        #AppendMenu(parent, help='', id=wx.ID_HELP_CONTENTS,
        #      kind=wx.ITEM_NORMAL, text=u'PLCOpen\tF2')
        #AppendMenu(parent, help='', id=wx.ID_HELP_CONTEXT,
        #      kind=wx.ITEM_NORMAL, text=u'IEC 61131-3\tF3')
        AppendMenu(parent, help='', id=wx.ID_ABOUT,
            kind=wx.ITEM_NORMAL, text=_(u'About'))
        self.Bind(wx.EVT_MENU, self.OnPLCOpenEditorMenu, id=wx.ID_HELP)
        #self.Bind(wx.EVT_MENU, self.OnPLCOpenMenu, id=wx.ID_HELP_CONTENTS)
        self.Bind(wx.EVT_MENU, self.OnAboutMenu, id=wx.ID_ABOUT)

    ## Constructor of the PLCOpenEditor class.
    #  @param parent The parent window.
    #  @param controler The controler been used by PLCOpenEditor (default: None).
    #  @param fileOpen The filepath to open if no controler defined (default: None).
    #  @param debug The filepath to open if no controler defined (default: False).
    def __init__(self, parent, fileOpen = None):
        IDEFrame.__init__(self, parent)
        
        result = None
        
        # Open the filepath if defined
        if fileOpen is not None and os.path.isfile(fileOpen):
            # Create a new controller
            self.Controler = PLCControler()
            result = self.Controler.OpenXMLFile(fileOpen)
            if result is None:
                self._Refresh(TYPESTREE, INSTANCESTREE, LIBRARYTREE)
        
        # Define PLCOpenEditor icon
        self.SetIcon(wx.Icon(os.path.join(CWD,"Images", "poe.ico"),wx.BITMAP_TYPE_ICO))

        self.Bind(wx.EVT_CLOSE, self.OnCloseFrame)
        
        self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU, DISPLAYMENU)
        
        if result is not None:
            self.ShowErrorMessage(result)

    def OnCloseFrame(self, event):
        if self.Controler is None or self.CheckSaveBeforeClosing(_("Close Application")):
            if USE_AUI:
                self.AUIManager.UnInit()
            
            self.SaveFrameSize()
            
            event.Skip()
        else:
            event.Veto()

    def RefreshTitle(self):
        name = _("PLCOpenEditor")
        if self.Controler is not None:
            self.SetTitle("%s - %s"%(name, self.Controler.GetFilename()))
        else:
            self.SetTitle(name)

#-------------------------------------------------------------------------------
#                            File Menu Functions
#-------------------------------------------------------------------------------

    def RefreshFileMenu(self):
        if self.Controler is not None:
            selected = self.TabsOpened.GetSelection()
            if selected >= 0:
                graphic_viewer = isinstance(self.TabsOpened.GetPage(selected), Viewer)
            else:
                graphic_viewer = False
            if self.TabsOpened.GetPageCount() > 0:
                self.FileMenu.Enable(wx.ID_CLOSE, True)
                if graphic_viewer:
                    self.FileMenu.Enable(wx.ID_PREVIEW, True)
                    self.FileMenu.Enable(wx.ID_PRINT, True)
                else:
                    self.FileMenu.Enable(wx.ID_PREVIEW, False)
                    self.FileMenu.Enable(wx.ID_PRINT, False)
            else:
                self.FileMenu.Enable(wx.ID_CLOSE, False)
                self.FileMenu.Enable(wx.ID_PREVIEW, False)
                self.FileMenu.Enable(wx.ID_PRINT, False)
            self.FileMenu.Enable(wx.ID_PAGE_SETUP, True)
            self.FileMenu.Enable(wx.ID_SAVE, True)
            self.FileMenu.Enable(wx.ID_PROPERTIES, True)
            self.FileMenu.Enable(wx.ID_CLOSE_ALL, True)
            self.FileMenu.Enable(wx.ID_SAVEAS, True)
            self.FileMenu.Enable(ID_PLCOPENEDITORFILEMENUGENERATE, True)
        else:
            self.FileMenu.Enable(wx.ID_CLOSE, False)
            self.FileMenu.Enable(wx.ID_PAGE_SETUP, False)
            self.FileMenu.Enable(wx.ID_PREVIEW, False)
            self.FileMenu.Enable(wx.ID_PRINT, False)
            self.FileMenu.Enable(wx.ID_SAVE, False)
            self.FileMenu.Enable(wx.ID_PROPERTIES, False)
            self.FileMenu.Enable(wx.ID_CLOSE_ALL, False)
            self.FileMenu.Enable(wx.ID_SAVEAS, False)
            self.FileMenu.Enable(ID_PLCOPENEDITORFILEMENUGENERATE, False)

    def OnNewProjectMenu(self, event):
        if self.Controler is not None and not self.CheckSaveBeforeClosing():
            return
        dialog = ProjectDialog(self)
        if dialog.ShowModal() == wx.ID_OK:
            properties = dialog.GetValues()
            self.ResetView()
            self.Controler = PLCControler()
            self.Controler.CreateNewProject(properties)
            self._Refresh(TITLE, FILEMENU, EDITMENU, TYPESTREE, INSTANCESTREE, 
                          LIBRARYTREE)

    def OnOpenProjectMenu(self, event):
        if self.Controler is not None and not self.CheckSaveBeforeClosing():
            return
        filepath = ""
        if self.Controler is not None:
            filepath = self.Controler.GetFilePath()
        if filepath != "":
            directory = os.path.dirname(filepath)
        else:
            directory = os.getcwd()
        
        result = None
        
        dialog = wx.FileDialog(self, _("Choose a file"), directory, "",  _("PLCOpen files (*.xml)|*.xml|All files|*.*"), wx.OPEN)
        if dialog.ShowModal() == wx.ID_OK:
            filepath = dialog.GetPath()
            if os.path.isfile(filepath):
                self.ResetView()
                self.Controler = PLCControler()
                result = self.Controler.OpenXMLFile(filepath)
                if result is None:
                    self._Refresh(TYPESTREE, INSTANCESTREE, LIBRARYTREE)
            self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU)
        dialog.Destroy()
        
        if result is not None:
            self.ShowErrorMessage(result)
    
    def OnCloseProjectMenu(self, event):
        if not self.CheckSaveBeforeClosing():
            return
        self.ResetView()
        self._Refresh(TITLE, TOOLBAR, FILEMENU, EDITMENU)

    def OnSaveProjectMenu(self, event):
        self.SaveProject()

    def OnSaveProjectAsMenu(self, event):
        self.SaveProjectAs()

    def OnGenerateProgramMenu(self, event):
        dialog = wx.FileDialog(self, _("Choose a file"), os.getcwd(), self.Controler.GetProgramFilePath(),  _("ST files (*.st)|*.st|All files|*.*"), wx.SAVE|wx.CHANGE_DIR)
        if dialog.ShowModal() == wx.ID_OK:
            filepath = dialog.GetPath()
            message_text = ""
            header, icon = _("Done"), wx.ICON_INFORMATION
            if os.path.isdir(os.path.dirname(filepath)):
                program, errors, warnings = self.Controler.GenerateProgram(filepath)
                message_text += "".join([_("warning: %s\n") for warning in warnings])
                if len(errors) > 0:
                    message_text += "".join([_("error: %s\n") for error in errors])
                    message_text += _("Can't generate program to file %s!")%filepath
                    header, icon = _("Error"), wx.ICON_ERROR
                else:
                    message_text += _("Program was successfully generated!")
            else:
                message_text += _("\"%s\" is not a valid folder!")%os.path.dirname(filepath)
                header, icon = _("Error"), wx.ICON_ERROR
            message = wx.MessageDialog(self, message_text, header, wx.OK|icon)
            message.ShowModal()
            message.Destroy()
        dialog.Destroy()

    def SaveProject(self):
        result = self.Controler.SaveXMLFile()
        if not result:
            self.SaveProjectAs()
        else:
            self.RefreshTitle()
            self.RefreshFileMenu()
    
    def SaveProjectAs(self):
        filepath = self.Controler.GetFilePath()
        if filepath != "":
            directory, filename = os.path.split(filepath)
        else:
            directory, filename = os.getcwd(), "%(projectName)s.xml"%self.Controler.GetProjectProperties()
        dialog = wx.FileDialog(self, _("Choose a file"), directory, filename,  _("PLCOpen files (*.xml)|*.xml|All files|*.*"), wx.SAVE|wx.OVERWRITE_PROMPT)
        if dialog.ShowModal() == wx.ID_OK:
            filepath = dialog.GetPath()
            if os.path.isdir(os.path.dirname(filepath)):
                result = self.Controler.SaveXMLFile(filepath)
                if not result:
                    self.ShowErrorMessage(_("Can't save project to file %s!")%filepath)
            else:
                self.ShowErrorMessage(_("\"%s\" is not a valid folder!")%os.path.dirname(filepath))
            self.RefreshTitle()
            self.RefreshFileMenu()
        dialog.Destroy()

#-------------------------------------------------------------------------------
#                            Create Project Dialog
#-------------------------------------------------------------------------------

[ID_SCALINGPANEL, ID_SCALINGPANELXSCALE, 
 ID_SCALINGPANELYSCALE, ID_SCALINGPANELSTATICTEXT1, 
 ID_SCALINGPANELSTATICTEXT2, 
] = [wx.NewId() for _init_ctrls in range(5)]

class ScalingPanel(wx.Panel):
    
    def _init_coll_ScalingPanelSizer_Items(self, parent):
        parent.AddWindow(self.staticText1, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP|wx.LEFT)
        parent.AddWindow(self.XScale, 0, border=10, flag=wx.GROW|wx.TOP|wx.RIGHT)
        parent.AddWindow(self.staticText2, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.BOTTOM|wx.LEFT)
        parent.AddWindow(self.YScale, 0, border=10, flag=wx.GROW|wx.BOTTOM|wx.RIGHT)

    def _init_coll_ScalingPanelSizer_Growables(self, parent):
        parent.AddGrowableCol(1)

    def _init_sizers(self):
        self.ScalingPanelSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=5)
        
        self._init_coll_ScalingPanelSizer_Items(self.ScalingPanelSizer)
        self._init_coll_ScalingPanelSizer_Growables(self.ScalingPanelSizer)

        self.SetSizer(self.ScalingPanelSizer)

    def _init_ctrls(self, prnt):
        wx.Panel.__init__(self, id=ID_SCALINGPANEL,
              name='ScalingPanel', parent=prnt, pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
        
        self.staticText1 = wx.StaticText(id=ID_SCALINGPANELSTATICTEXT1,
              label=_('Horizontal:'), name='staticText1', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        
        self.XScale = wx.SpinCtrl(id=ID_SCALINGPANELXSCALE,
              name='XScale', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0, min=0, max=2**16)
        
        self.staticText2 = wx.StaticText(id=ID_SCALINGPANELSTATICTEXT2,
              label=_('Vertical:'), name='staticText2', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        
        self.YScale = wx.SpinCtrl(id=ID_SCALINGPANELYSCALE,
              name='YScale', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0, min=0, max=2**16)
        
        self._init_sizers()
        
    def __init__(self, parent):
        self._init_ctrls(parent)

    def SetScaling(self, x, y):
        self.XScale.SetValue(x)
        self.YScale.SetValue(y)
        
    def GetScaling(self):
        return self.XScale.GetValue(), self.YScale.GetValue()

[ID_PROJECTDIALOG, ID_PROJECTDIALOGMAINNOTEBOOK, 
 ID_PROJECTDIALOGPROJECTPANEL, ID_PROJECTDIALOGAUTHORPANEL, 
 ID_PROJECTDIALOGGRAPHICSPANEL, ID_PROJECTDIALOGMISCELLANEOUSPANEL, 
 ID_PROJECTDIALOGPROJECTNAME, ID_PROJECTDIALOGPROJECTVERSION, 
 ID_PROJECTDIALOGPRODUCTNAME, ID_PROJECTDIALOGPRODUCTVERSION, 
 ID_PROJECTDIALOGPRODUCTRELEASE, ID_PROJECTDIALOGCOMPANYNAME, 
 ID_PROJECTDIALOGCOMPANYURL, ID_PROJECTDIALOGAUTHORNAME, 
 ID_PROJECTDIALOGORGANIZATION, ID_PROJECTDIALOGLANGUAGE, 
 ID_PROJECTDIALOGCONTENTDESCRIPTION, ID_PROJECTDIALOGSCALINGNOTEBOOK, 
 ID_PROJECTDIALOGPAGEWIDTH, ID_PROJECTDIALOGPAGEHEIGHT, 
 ID_PROJECTDIALOGSTATICTEXT1, ID_PROJECTDIALOGSTATICTEXT2, 
 ID_PROJECTDIALOGSTATICTEXT3, ID_PROJECTDIALOGSTATICTEXT4, 
 ID_PROJECTDIALOGSTATICTEXT5, ID_PROJECTDIALOGSTATICTEXT6, 
 ID_PROJECTDIALOGSTATICTEXT7, ID_PROJECTDIALOGSTATICTEXT8, 
 ID_PROJECTDIALOGSTATICTEXT9, ID_PROJECTDIALOGSTATICTEXT10, 
 ID_PROJECTDIALOGSTATICTEXT11, ID_PROJECTDIALOGSTATICTEXT12, 
 ID_PROJECTDIALOGSTATICTEXT13, ID_PROJECTDIALOGSTATICTEXT14, 
 ID_PROJECTDIALOGSTATICTEXT15, 
] = [wx.NewId() for _init_ctrls in range(35)]

class ProjectDialog(wx.Dialog):
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
                
    def _init_coll_flexGridSizer1_Items(self, parent):
        parent.AddSizer(self.MainNotebook, 0, border=0, flag=wx.GROW)
        parent.AddSizer(self.ButtonSizer, 0, border=20, flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
        
    def _init_coll_flexGridSizer1_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(0)
    
    def _init_coll_ProjectPanelSizer_Items(self, parent):
        parent.AddWindow(self.staticText1, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP|wx.LEFT)
        parent.AddWindow(self.ProjectName, 0, border=10, flag=wx.GROW|wx.TOP|wx.RIGHT)
        parent.AddWindow(self.staticText2, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT)
        parent.AddWindow(self.ProjectVersion, 0, border=10, flag=wx.GROW|wx.RIGHT)
        parent.AddWindow(self.staticText3, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT)
        parent.AddWindow(self.ProductName, 0, border=10, flag=wx.GROW|wx.RIGHT)
        parent.AddWindow(self.staticText4, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT)
        parent.AddWindow(self.ProductVersion, 0, border=10, flag=wx.GROW|wx.RIGHT)
        parent.AddWindow(self.staticText5, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.BOTTOM|wx.LEFT)
        parent.AddWindow(self.ProductRelease, 0, border=10, flag=wx.GROW|wx.BOTTOM|wx.RIGHT)
        
    def _init_coll_ProjectPanelSizer_Growables(self, parent):
        parent.AddGrowableCol(1)

    def _init_coll_AuthorPanelSizer_Items(self, parent):
        parent.AddWindow(self.staticText6, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP|wx.LEFT)
        parent.AddWindow(self.CompanyName, 0, border=10, flag=wx.GROW|wx.TOP|wx.RIGHT)
        parent.AddWindow(self.staticText7, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT)
        parent.AddWindow(self.CompanyURL, 0, border=10, flag=wx.GROW|wx.RIGHT)
        parent.AddWindow(self.staticText8, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT)
        parent.AddWindow(self.AuthorName, 0, border=10, flag=wx.GROW|wx.RIGHT)
        parent.AddWindow(self.staticText9, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.BOTTOM|wx.LEFT)
        parent.AddWindow(self.Organization, 0, border=10, flag=wx.GROW|wx.BOTTOM|wx.RIGHT)
    
    def _init_coll_AuthorPanelSizer_Growables(self, parent):
        parent.AddGrowableCol(1)
    
    def _init_coll_GraphicsPanelSizer_Items(self, parent):
        parent.AddWindow(self.staticText12, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP|wx.LEFT|wx.RIGHT)
        parent.AddSizer(self.GraphicsPageSizeSizer, 0, border=10, flag=wx.GROW|wx.LEFT|wx.RIGHT)
        parent.AddWindow(self.staticText15, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT|wx.RIGHT)
        parent.AddWindow(self.ScalingNotebook, 0, border=10, flag=wx.GROW|wx.BOTTOM|wx.LEFT|wx.RIGHT)
        
    def _init_coll_GraphicsPanelSizer_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(3)
    
    def _init_coll_GraphicsPageSizeSizer_Items(self, parent):
        parent.AddWindow(self.staticText13, 0, border=12, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT)
        parent.AddWindow(self.PageWidth, 0, border=0, flag=wx.GROW)
        parent.AddWindow(self.staticText14, 0, border=12, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT)
        parent.AddWindow(self.PageHeight, 0, border=0, flag=wx.GROW)
    
    def _init_coll_GraphicsPageSizeSizer_Growables(self, parent):
        parent.AddGrowableCol(1)
    
    def _init_coll_MiscellaneousPanelSizer_Items(self, parent):
        parent.AddWindow(self.staticText10, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP|wx.LEFT)
        parent.AddWindow(self.Language, 0, border=10, flag=wx.GROW|wx.TOP|wx.RIGHT)
        parent.AddWindow(self.staticText11, 0, border=10, flag=wx.BOTTOM|wx.LEFT)
        parent.AddWindow(self.ContentDescription, 0, border=10, flag=wx.GROW|wx.BOTTOM|wx.RIGHT)
        
    def _init_coll_MiscellaneousPanelSizer_Growables(self, parent):
        parent.AddGrowableCol(1)
        parent.AddGrowableRow(1)
        
    def _init_sizers(self):
        self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
        self.ProjectPanelSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=5, vgap=15)
        self.AuthorPanelSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=4, vgap=15)
        self.GraphicsPanelSizer = wx.FlexGridSizer(cols=1, hgap=5, rows=4, vgap=5)
        self.GraphicsPageSizeSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=5)
        self.MiscellaneousPanelSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=15)

        self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
        self._init_coll_flexGridSizer1_Growables(self.flexGridSizer1)
        self._init_coll_ProjectPanelSizer_Items(self.ProjectPanelSizer)
        self._init_coll_ProjectPanelSizer_Growables(self.ProjectPanelSizer)
        self._init_coll_AuthorPanelSizer_Items(self.AuthorPanelSizer)
        self._init_coll_AuthorPanelSizer_Growables(self.AuthorPanelSizer)
        self._init_coll_GraphicsPanelSizer_Items(self.GraphicsPanelSizer)
        self._init_coll_GraphicsPanelSizer_Growables(self.GraphicsPanelSizer)
        self._init_coll_GraphicsPageSizeSizer_Items(self.GraphicsPageSizeSizer)
        self._init_coll_GraphicsPageSizeSizer_Growables(self.GraphicsPageSizeSizer)
        self._init_coll_MiscellaneousPanelSizer_Items(self.MiscellaneousPanelSizer)
        self._init_coll_MiscellaneousPanelSizer_Growables(self.MiscellaneousPanelSizer)

        self.SetSizer(self.flexGridSizer1)
        self.ProjectPanel.SetSizer(self.ProjectPanelSizer)
        self.AuthorPanel.SetSizer(self.AuthorPanelSizer)
        self.GraphicsPanel.SetSizer(self.GraphicsPanelSizer)
        self.MiscellaneousPanel.SetSizer(self.MiscellaneousPanelSizer)

    def _init_ctrls(self, prnt):
        wx.Dialog.__init__(self, id=ID_PROJECTDIALOG,
              name='ProjectDialog', parent=prnt,
              size=wx.Size(500, 350), style=wx.DEFAULT_DIALOG_STYLE,
              title=_('Project properties'))
        self.SetClientSize(wx.Size(500, 350))

        self.MainNotebook = wx.Notebook(id=ID_PROJECTDIALOGMAINNOTEBOOK,
                  name='MainNotebook', parent=self, pos=wx.Point(0,
                  0), size=wx.Size(0, 0), style=0)

        # Project Panel elements

        self.ProjectPanel = wx.Panel(id=ID_PROJECTDIALOGPROJECTPANEL,
              name='ProjectPanel', parent=self.MainNotebook, pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)

        self.staticText1 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT1,
              label=_('Project Name (required):'), name='staticText1', parent=self.ProjectPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.ProjectName = wx.TextCtrl(id=ID_PROJECTDIALOGPROJECTNAME,
              name='ProjectName', parent=self.ProjectPanel, pos=wx.Point(0, 0), 
              size=wx.Size(0, 24), style=0)

        self.staticText2 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT2,
              label=_('Project Version (optional):'), name='staticText2', parent=self.ProjectPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.ProjectVersion = wx.TextCtrl(id=ID_PROJECTDIALOGPROJECTVERSION,
              name='ProjectVersion', parent=self.ProjectPanel, pos=wx.Point(0, 0), 
              size=wx.Size(0, 24), style=0)

        self.staticText3 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT3,
              label=_('Product Name (required):'), name='staticText3', parent=self.ProjectPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.ProductName = wx.TextCtrl(id=ID_PROJECTDIALOGPRODUCTNAME,
              name='ProductName', parent=self.ProjectPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.staticText4 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT4,
              label=_('Product Version (required):'), name='staticText4', parent=self.ProjectPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.ProductVersion = wx.TextCtrl(id=ID_PROJECTDIALOGPRODUCTVERSION,
              name='ProductVersion', parent=self.ProjectPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.staticText5 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT5,
              label=_('Product Release (optional):'), name='staticText5', parent=self.ProjectPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.ProductRelease = wx.TextCtrl(id=ID_PROJECTDIALOGPRODUCTRELEASE,
              name='ProductRelease', parent=self.ProjectPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.MainNotebook.AddPage(self.ProjectPanel, _("Project"))
        
        # Author Panel elements

        self.AuthorPanel = wx.Panel(id=ID_PROJECTDIALOGAUTHORPANEL,
              name='AuthorPanel', parent=self.MainNotebook, pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)

        self.staticText6 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT6,
              label=_('Company Name (required):'), name='staticText6', parent=self.AuthorPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.CompanyName = wx.TextCtrl(id=ID_PROJECTDIALOGCOMPANYNAME,
              name='CompanyName', parent=self.AuthorPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.staticText7 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT7,
              label=_('Company URL (optional):'), name='staticText7', parent=self.AuthorPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.CompanyURL = wx.TextCtrl(id=ID_PROJECTDIALOGCOMPANYURL,
              name='CompanyURL', parent=self.AuthorPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.staticText8 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT8,
              label=_('Author Name (optional):'), name='staticText8', parent=self.AuthorPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.AuthorName = wx.TextCtrl(id=ID_PROJECTDIALOGAUTHORNAME,
              name='AuthorName', parent=self.AuthorPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.staticText9 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT9,
              label=_('Organization (optional):'), name='staticText9', parent=self.AuthorPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.Organization = wx.TextCtrl(id=ID_PROJECTDIALOGORGANIZATION,
              name='Organization', parent=self.AuthorPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.MainNotebook.AddPage(self.AuthorPanel, _("Author"))

        # Graphics Panel elements

        self.GraphicsPanel = wx.Panel(id=ID_PROJECTDIALOGGRAPHICSPANEL,
              name='GraphicsPanel', parent=self.MainNotebook, pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)

        self.staticText12 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT12,
              label=_('Page Size (optional):'), name='staticText12', parent=self.GraphicsPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.staticText13 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT13,
              label=_('Width:'), name='staticText13', parent=self.GraphicsPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        
        self.PageWidth = wx.SpinCtrl(id=ID_PROJECTDIALOGPAGEWIDTH,
              name='PageWidth', parent=self.GraphicsPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0, min=0, max=2**16)

        self.staticText14 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT14,
              label=_('Height:'), name='staticText14', parent=self.GraphicsPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        
        self.PageHeight = wx.SpinCtrl(id=ID_PROJECTDIALOGPAGEHEIGHT,
              name='PageHeight', parent=self.GraphicsPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0, min=0, max=2**16)
        
        self.staticText15 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT15,
              label=_('Grid Resolution:'), name='staticText15', parent=self.GraphicsPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        
        self.ScalingNotebook = wx.Notebook(id=ID_PROJECTDIALOGSCALINGNOTEBOOK,
              name='ScalingNotebook', parent=self.GraphicsPanel, pos=wx.Point(0,
              0), size=wx.Size(0, 0), style=0)
        
        self.Scalings = {}
        for language, translation in [("FBD",_("FBD")), ("LD",_("LD")), ("SFC",_("SFC"))]:
            window = ScalingPanel(self.ScalingNotebook)
            self.Scalings[language] = window
            self.ScalingNotebook.AddPage(window, translation)
        
        self.MainNotebook.AddPage(self.GraphicsPanel, _("Graphics"))

        # Miscellaneous Panel elements

        self.MiscellaneousPanel = wx.Panel(id=ID_PROJECTDIALOGMISCELLANEOUSPANEL,
              name='MiscellaneousPanel', parent=self.MainNotebook, pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)

        self.staticText10 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT10,
              label=_('Language (optional):'), name='staticText10', parent=self.MiscellaneousPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.Language = wx.ComboBox(id=ID_PROJECTDIALOGLANGUAGE,
              name='Language', parent=self.MiscellaneousPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 28), style=wx.CB_READONLY)

        self.staticText11 = wx.StaticText(id=ID_PROJECTDIALOGSTATICTEXT11,
              label=_('Content Description (optional):'), name='staticText11', parent=self.MiscellaneousPanel,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.ContentDescription = wx.TextCtrl(id=ID_PROJECTDIALOGCONTENTDESCRIPTION,
              name='ContentDescription', parent=self.MiscellaneousPanel, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=wx.TE_MULTILINE)

        self.MainNotebook.AddPage(self.MiscellaneousPanel, _("Miscellaneous"))

        self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetAffirmativeButton().GetId())
        
        self._init_sizers()

    def __init__(self, parent, enable_required=True):
        self._init_ctrls(parent)
        
        self.ProjectName.Enable(enable_required)
        self.ProductName.Enable(enable_required)
        self.ProductVersion.Enable(enable_required)
        self.CompanyName.Enable(enable_required)
            
        languages = ["", "en-US", "fr-FR", "zh-CN"]
        
        for language in languages:
            self.Language.Append(language)
        
    def OnOK(self, event):
        error = []
        if self.ProjectName.GetValue() == "":
            error.append("Project Name")
        if self.CompanyName.GetValue() == "":
            error.append("Company Name")
        if self.ProductName.GetValue() == "":
            error.append("Product Name")
        if self.ProductVersion.GetValue() == "":
            error.append("Product Version")
        if len(error) > 0:
            text = ""
            for i, item in enumerate(error):
                if i == 0:
                    text += item
                elif i == len(error) - 1:
                    text += " and %s"%item
                else:
                    text += ", %s"%item
            message = wx.MessageDialog(self, _("Form isn't complete. %s must be filled!")%text, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        else:
            self.EndModal(wx.ID_OK)

    def SetValues(self, values):
        for item, value in values.items():
            if item == "projectName":
                self.ProjectName.SetValue(value)
            elif item == "projectVersion":
                self.ProjectVersion.SetValue(value)
            elif item == "productName":
                self.ProductName.SetValue(value)
            elif item == "productVersion":
                self.ProductVersion.SetValue(value)
            elif item == "productRelease":
                self.ProductRelease.SetValue(value)
            elif item == "companyName":
                self.CompanyName.SetValue(value)
            elif item == "companyURL":
                self.CompanyURL.SetValue(value)
            elif item == "authorName":
                self.AuthorName.SetValue(value)
            elif item == "organization":
                self.Organization.SetValue(value)
            elif item == "language":
                self.Language.SetStringSelection(value)
            elif item == "contentDescription":
                self.ContentDescription.SetValue(value)
            elif item == "pageSize":
                self.PageWidth.SetValue(value[0])
                self.PageHeight.SetValue(value[1])
            elif item == "scaling":
                for language, (x, y) in value.items():
                    if language in self.Scalings:
                        self.Scalings[language].SetScaling(x, y)
    
    def GetValues(self):
        values = {}
        values["projectName"] = self.ProjectName.GetValue()
        if self.ProjectVersion.GetValue() != "":
            values["projectVersion"] = self.ProjectVersion.GetValue()
        values["productName"] = self.ProductName.GetValue()
        values["productVersion"] = self.ProductVersion.GetValue()
        if self.ProductRelease.GetValue() != "":
            values["productRelease"] = self.ProductRelease.GetValue()
        values["companyName"] = self.CompanyName.GetValue()
        if self.CompanyURL.GetValue() != "":
            values["companyURL"] = self.CompanyURL.GetValue()
        if self.AuthorName.GetValue() != "":
            values["authorName"] = self.AuthorName.GetValue()
        if self.Organization.GetValue() != "":
            values["organization"] = self.Organization.GetValue()
        if self.Language.GetStringSelection() != "":
            values["language"] = self.Language.GetStringSelection()
        if self.ProductRelease.GetValue() != "":
            values["contentDescription"] = self.ContentDescription.GetValue()
        values["pageSize"] = (self.PageWidth.GetValue(), self.PageHeight.GetValue())
        values["scaling"] = {}
        for language in ["FBD", "LD", "SFC"]:
            values["scaling"][language] = self.Scalings[language].GetScaling()
        return values

#-------------------------------------------------------------------------------
#                          Edit Step Name Dialog
#-------------------------------------------------------------------------------

class DataTypeDialog(wx.TextEntryDialog):

    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def __init__(self, parent, message, caption = _("Please enter text"), defaultValue = "", 
                       style = wx.OK|wx.CANCEL|wx.CENTRE, pos = wx.DefaultPosition):
        wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)
        
        self.DataTypeNames = []
        if wx.VERSION >= (2, 8, 0):
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(2).GetSizer().GetItem(1).GetSizer().GetAffirmativeButton().GetId())
        elif wx.VERSION >= (2, 6, 0):
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetAffirmativeButton().GetId())
        else:
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())
    
    def OnOK(self, event):
        datatype_name = self.GetSizer().GetItem(1).GetWindow().GetValue()
        if datatype_name == "":
            message = wx.MessageDialog(self, _("You must type a name!"), _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif not TestIdentifier(datatype_name):
            message = wx.MessageDialog(self, _("\"%s\" is not a valid identifier!")%datatype_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif datatype_name.upper() in IEC_KEYWORDS:
            message = wx.MessageDialog(self, _("\"%s\" is a keyword. It can't be used!")%datatype_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif datatype_name.upper() in self.DataTypeNames:
            message = wx.MessageDialog(self, _("\"%s\" data type already exists!")%datatype_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        else:
            self.EndModal(wx.ID_OK)

    def SetDataTypeNames(self, datatype_names):
        self.DataTypeNames = [datatype_name.upper() for datatype_name in datatype_names]

    def GetValue(self):
        return self.GetSizer().GetItem(1).GetWindow().GetValue()

#-------------------------------------------------------------------------------
#                            Create Pou Dialog
#-------------------------------------------------------------------------------

[ID_POUDIALOG, ID_POUDIALOGPOUNAME, 
 ID_POUDIALOGPOUTYPE, ID_POUDIALOGLANGUAGE, ID_POUDIALOGSTATICTEXT1,
 ID_POUDIALOGSTATICTEXT2, ID_POUDIALOGSTATICTEXT3, 
] = [wx.NewId() for _init_ctrls in range(7)]

def GetTransitionLanguages():
    _ = lambda x : x
    return [_("IL"), _("ST"), _("LD"), _("FBD")]
TRANSITION_LANGUAGES_DICT = dict([(_(language), language) for language in GetTransitionLanguages()])

def GetPouTypes():
    _ = lambda x : x
    return [_("function"), _("functionBlock"), _("program")]
POU_TYPES_DICT = dict([(_(pou_type), pou_type) for pou_type in GetPouTypes()])

def GetPouLanguages():
    _ = lambda x : x
    return [_("IL"), _("ST"), _("LD"), _("FBD"), _("SFC")]
POU_LANGUAGES_DICT = dict([(_(language), language) for language in GetPouLanguages()])

class PouDialog(wx.Dialog):
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def _init_coll_flexGridSizer1_Items(self, parent):
        parent.AddSizer(self.MainSizer, 0, border=20, flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
        parent.AddSizer(self.ButtonSizer, 0, border=20, flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
        
    def _init_coll_flexGridSizer1_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(0)
    
    def _init_coll_MainSizer_Items(self, parent):
        parent.AddWindow(self.staticText1, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        parent.AddWindow(self.PouName, 0, border=0, flag=wx.GROW)
        parent.AddWindow(self.staticText2, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        parent.AddWindow(self.PouType, 0, border=0, flag=wx.GROW)
        parent.AddWindow(self.staticText3, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        parent.AddWindow(self.Language, 0, border=0, flag=wx.GROW)
        
    def _init_coll_MainSizer_Growables(self, parent):
        parent.AddGrowableCol(1)
        
    def _init_sizers(self):
        self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
        self.MainSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=3, vgap=15)

        self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
        self._init_coll_flexGridSizer1_Growables(self.flexGridSizer1)
        self._init_coll_MainSizer_Items(self.MainSizer)
        self._init_coll_MainSizer_Growables(self.MainSizer)

        self.SetSizer(self.flexGridSizer1)
        
    def _init_ctrls(self, prnt):
        wx.Dialog.__init__(self, id=ID_POUDIALOG,
              name='PouDialog', parent=prnt,
              size=wx.Size(300, 200), style=wx.DEFAULT_DIALOG_STYLE,
              title=_('Create a new POU'))
        self.SetClientSize(wx.Size(300, 200))

        self.staticText1 = wx.StaticText(id=ID_POUDIALOGSTATICTEXT1,
              label=_('POU Name:'), name='staticText1', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.PouName = wx.TextCtrl(id=ID_POUDIALOGPOUNAME,
              name='POUName', parent=self, pos=wx.Point(0, 0), 
              size=wx.Size(0, 24), style=0)

        self.staticText2 = wx.StaticText(id=ID_POUDIALOGSTATICTEXT2,
              label=_('POU Type:'), name='staticText2', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.PouType = wx.ComboBox(id=ID_POUDIALOGPOUTYPE,
              name='POUType', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(0, 28), style=wx.CB_READONLY)
        self.Bind(wx.EVT_COMBOBOX, self.OnTypeChanged, id=ID_POUDIALOGPOUTYPE)

        self.staticText3 = wx.StaticText(id=ID_POUDIALOGSTATICTEXT3,
              label=_('Language:'), name='staticText3', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.Language = wx.ComboBox(id=ID_POUDIALOGLANGUAGE,
              name='Language', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(0, 28), style=wx.CB_READONLY)
        
        self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetAffirmativeButton().GetId())
            
        self._init_sizers()

    def __init__(self, parent, pou_type = None):
        self._init_ctrls(parent)
        
        for option in GetPouTypes():
            self.PouType.Append(_(option))
        if pou_type is not None:
            self.PouType.SetStringSelection(_(pou_type))
        self.RefreshLanguage()

        self.PouNames = []
        self.PouElementNames = []

    def OnOK(self, event):
        error = []
        pou_name = self.PouName.GetValue()
        if pou_name == "":
            error.append(_("POU Name"))
        if self.PouType.GetSelection() == -1:
            error.append(_("POU Type"))
        if self.Language.GetSelection() == -1:
            error.append(_("Language"))
        if len(error) > 0:
            text = ""
            for i, item in enumerate(error):
                if i == 0:
                    text += item
                elif i == len(error) - 1:
                    text += _(" and %s")%item
                else:
                    text += _(", %s")%item 
            message = wx.MessageDialog(self, _("Form isn't complete. %s must be filled!")%text, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif not TestIdentifier(pou_name):
            message = wx.MessageDialog(self, _("\"%s\" is not a valid identifier!")%pou_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif pou_name.upper() in IEC_KEYWORDS:
            message = wx.MessageDialog(self, _("\"%s\" is a keyword. It can't be used!")%pou_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif pou_name.upper() in self.PouNames:
            message = wx.MessageDialog(self, _("\"%s\" pou already exists!")%pou_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif pou_name.upper() in self.PouElementNames:
            message = wx.MessageDialog(self, _("A POU has an element named \"%s\". This could cause a conflict. Do you wish to continue?")%pou_name, _("Warning"), wx.YES_NO|wx.ICON_EXCLAMATION)
            result = message.ShowModal()
            message.Destroy()
            if result == wx.ID_YES:
                self.EndModal(wx.ID_OK)
        else:
            self.EndModal(wx.ID_OK)

    def RefreshLanguage(self):
        selection = POU_LANGUAGES_DICT.get(self.Language.GetStringSelection(), "")
        self.Language.Clear()
        for language in GetPouLanguages():
            if language != "SFC" or POU_TYPES_DICT[self.PouType.GetStringSelection()] != "function":
                self.Language.Append(language)
        if self.Language.FindString(_(selection)) != wx.NOT_FOUND:
            self.Language.SetStringSelection(_(selection))

    def OnTypeChanged(self, event):
        self.RefreshLanguage()
        event.Skip()

    def SetPouNames(self, pou_names):
        self.PouNames = [pou_name.upper() for pou_name in pou_names]

    def SetPouElementNames(self, element_names):
        self.PouElementNames = [element_name.upper() for element_name in element_names]

    def SetValues(self, values):
        for item, value in values.items():
            if item == "pouName":
                self.PouName.SetValue(value)
            elif item == "pouType":
                self.PouType.SetStringSelection(_(value))
            elif item == "language":
                self.Language.SetStringSelection(_(POU_LANGUAGES_DICT))
                
    def GetValues(self):
        values = {}
        values["pouName"] = self.PouName.GetValue()
        values["pouType"] = POU_TYPES_DICT[self.PouType.GetStringSelection()]
        values["language"] = POU_LANGUAGES_DICT[self.Language.GetStringSelection()]
        return values


#-------------------------------------------------------------------------------
#                          Create Pou Transition Dialog
#-------------------------------------------------------------------------------

[ID_POUTRANSITIONDIALOG, ID_POUTRANSITIONDIALOGTRANSITIONNAME, 
 ID_POUTRANSITIONDIALOGLANGUAGE, ID_POUTRANSITIONDIALOGSTATICTEXT1, 
 ID_POUTRANSITIONDIALOGSTATICTEXT2,
] = [wx.NewId() for _init_ctrls in range(5)]

def GetTransitionLanguages():
    _ = lambda x : x
    return [_("IL"), _("ST"), _("LD"), _("FBD")]
TRANSITION_LANGUAGES_DICT = dict([(_(language), language) for language in GetTransitionLanguages()])

class PouTransitionDialog(wx.Dialog):
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def _init_coll_flexGridSizer1_Items(self, parent):
        parent.AddSizer(self.MainSizer, 0, border=20, flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
        parent.AddSizer(self.ButtonSizer, 0, border=20, flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
        
    def _init_coll_flexGridSizer1_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(0)
    
    def _init_coll_MainSizer_Items(self, parent):
        parent.AddWindow(self.staticText1, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        parent.AddWindow(self.TransitionName, 0, border=0, flag=wx.GROW)
        parent.AddWindow(self.staticText2, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        parent.AddWindow(self.Language, 0, border=0, flag=wx.GROW)
        
    def _init_coll_MainSizer_Growables(self, parent):
        parent.AddGrowableCol(1)
        
    def _init_sizers(self):
        self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
        self.MainSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=15)

        self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
        self._init_coll_flexGridSizer1_Growables(self.flexGridSizer1)
        self._init_coll_MainSizer_Items(self.MainSizer)
        self._init_coll_MainSizer_Growables(self.MainSizer)

        self.SetSizer(self.flexGridSizer1)

    def _init_ctrls(self, prnt):
        wx.Dialog.__init__(self, id=ID_POUTRANSITIONDIALOG,
              name='PouTransitionDialog', parent=prnt,
              size=wx.Size(350, 200), style=wx.DEFAULT_DIALOG_STYLE,
              title=_('Create a new transition'))
        self.SetClientSize(wx.Size(350, 160))

        self.staticText1 = wx.StaticText(id=ID_POUTRANSITIONDIALOGSTATICTEXT1,
              label=_('Transition Name:'), name='staticText1', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.TransitionName = wx.TextCtrl(id=ID_POUTRANSITIONDIALOGTRANSITIONNAME,
              name='TransitionName', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.staticText2 = wx.StaticText(id=ID_POUTRANSITIONDIALOGSTATICTEXT2,
              label=_('Language:'), name='staticText2', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.Language = wx.ComboBox(id=ID_POUTRANSITIONDIALOGLANGUAGE,
              name='Language', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(0, 28), style=wx.CB_READONLY)
        
        self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetAffirmativeButton().GetId())
        
        self._init_sizers()

    def __init__(self, parent):
        self._init_ctrls(parent)
        
        for language in GetTransitionLanguages():
            self.Language.Append(_(language))
            
        self.PouNames = []
        self.PouElementNames = []
        
    def OnOK(self, event):
        error = []
        transition_name = self.TransitionName.GetValue()
        if self.TransitionName.GetValue() == "":
            error.append(_("Transition Name"))
        if self.Language.GetSelection() == -1:
            error.append(_("Language"))
        if len(error) > 0:
            text = ""
            for i, item in enumerate(error):
                if i == 0:
                    text += item
                elif i == len(error) - 1:
                    text += _(" and %s")%item
                else:
                    text += _(", %s")%item 
            message = wx.MessageDialog(self, _("Form isn't complete. %s must be filled!")%text, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif not TestIdentifier(transition_name):
            message = wx.MessageDialog(self, _("\"%s\" is not a valid identifier!")%transition_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif transition_name.upper() in IEC_KEYWORDS:
            message = wx.MessageDialog(self, _("\"%s\" is a keyword. It can't be used!")%transition_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif transition_name.upper() in self.PouNames:
            message = wx.MessageDialog(self, _("A POU named \"%s\" already exists!")%transition_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif transition_name.upper() in self.PouElementNames:
            message = wx.MessageDialog(self, _("\"%s\" element for this pou already exists!")%transition_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        else:
            self.EndModal(wx.ID_OK)
    
    def SetPouNames(self, pou_names):
        self.PouNames = [pou_name.upper() for pou_name in pou_names]
    
    def SetPouElementNames(self, pou_names):
        self.PouElementNames = [pou_name.upper() for pou_name in pou_names]
    
    def SetValues(self, values):
        for item, value in values.items():
            if item == "transitionName":
                self.TransitionName.SetValue(value)
            elif item == "language":
                self.Language.SetSelection(_(value))
                
    def GetValues(self):
        values = {}
        values["transitionName"] = self.TransitionName.GetValue()
        values["language"] = TRANSITION_LANGUAGES_DICT[self.Language.GetStringSelection()]
        return values

#-------------------------------------------------------------------------------
#                          Create Pou Action Dialog
#-------------------------------------------------------------------------------

[ID_POUACTIONDIALOG, ID_POUACTIONDIALOGACTIONNAME, 
 ID_POUACTIONDIALOGLANGUAGE, ID_POUACTIONDIALOGSTATICTEXT1, 
 ID_POUACTIONDIALOGSTATICTEXT2, 
] = [wx.NewId() for _init_ctrls in range(5)]

def GetActionLanguages():
    _ = lambda x : x
    return [_("IL"), _("ST"), _("LD"), _("FBD")]
ACTION_LANGUAGES_DICT = dict([(_(language), language) for language in GetActionLanguages()])

class PouActionDialog(wx.Dialog):
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def _init_coll_flexGridSizer1_Items(self, parent):
        parent.AddSizer(self.MainSizer, 0, border=20, flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
        parent.AddSizer(self.ButtonSizer, 0, border=20, flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
        
    def _init_coll_flexGridSizer1_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(0)
    
    def _init_coll_MainSizer_Items(self, parent):
        parent.AddWindow(self.staticText1, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        parent.AddWindow(self.ActionName, 0, border=0, flag=wx.GROW)
        parent.AddWindow(self.staticText2, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        parent.AddWindow(self.Language, 0, border=0, flag=wx.GROW)
        
    def _init_coll_MainSizer_Growables(self, parent):
        parent.AddGrowableCol(1)
        
    def _init_sizers(self):
        self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
        self.MainSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=15)

        self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
        self._init_coll_flexGridSizer1_Growables(self.flexGridSizer1)
        self._init_coll_MainSizer_Items(self.MainSizer)
        self._init_coll_MainSizer_Growables(self.MainSizer)

        self.SetSizer(self.flexGridSizer1)

    def _init_ctrls(self, prnt):
        wx.Dialog.__init__(self, id=ID_POUACTIONDIALOG,
              name='PouActionDialog', parent=prnt,
              size=wx.Size(320, 200), style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER,
              title=_('Create a new action'))
        self.SetClientSize(wx.Size(320, 160))

        self.staticText1 = wx.StaticText(id=ID_POUACTIONDIALOGSTATICTEXT1,
              label=_('Action Name:'), name='staticText1', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.ActionName = wx.TextCtrl(id=ID_POUACTIONDIALOGACTIONNAME,
              name='ActionName', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=0)

        self.staticText2 = wx.StaticText(id=ID_POUACTIONDIALOGSTATICTEXT2,
              label=_('Language:'), name='staticText2', parent=self,
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

        self.Language = wx.ComboBox(id=ID_POUACTIONDIALOGLANGUAGE,
              name='Language', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(0, 28), style=wx.CB_READONLY)
        
        self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetAffirmativeButton().GetId())
        
        self._init_sizers()

    def __init__(self, parent):
        self._init_ctrls(parent)
        
        for option in GetActionLanguages():
            self.Language.Append(_(option))
        
        self.PouNames = []
        self.PouElementNames = []
    
    def OnOK(self, event):
        error = []
        action_name = self.ActionName.GetValue()
        if action_name == "":
            error.append(_("Action Name"))
        if self.Language.GetSelection() == -1:
            error.append(_("Language"))
        if len(error) > 0:
            text = ""
            for i, item in enumerate(error):
                if i == 0:
                    text += item
                elif i == len(error) - 1:
                    text += _(" and %s")%item
                else:
                    text += _(", %s")%item 
            message = wx.MessageDialog(self, _("Form isn't complete. %s must be filled!")%text, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif not TestIdentifier(action_name):
            message = wx.MessageDialog(self, _("\"%s\" is not a valid identifier!")%action_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif action_name.upper() in IEC_KEYWORDS:
            message = wx.MessageDialog(self, _("\"%s\" is a keyword. It can't be used!")%action_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif action_name.upper() in self.PouNames:
            message = wx.MessageDialog(self, _("A POU named \"%s\" already exists!")%action_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif action_name.upper() in self.PouElementNames:
            message = wx.MessageDialog(self, _("\"%s\" element for this pou already exists!")%action_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        else:
            self.EndModal(wx.ID_OK)
    
    def SetPouNames(self, pou_names):
        self.PouNames = [pou_name.upper() for pou_name in pou_names]
        
    def SetPouElementNames(self, element_names):
        self.PouElementNames = [element_name.upper() for element_name in element_names]
        
    def SetValues(self, values):
        for item, value in values.items():
            if item == "actionName":
                self.ActionName.SetValue(value)
            elif item == "language":
                self.Language.SetStringSelection(_(value))
                
    def GetValues(self):
        values = {}
        values["actionName"] = self.ActionName.GetValue()
        values["language"] = ACTION_LANGUAGES_DICT[self.Language.GetStringSelection()]
        return values

#-------------------------------------------------------------------------------
#                          Configuration Name Dialog
#-------------------------------------------------------------------------------

class ConfigurationNameDialog(wx.TextEntryDialog):

    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)

    def __init__(self, parent, message, caption = _("Please enter configuration name"), defaultValue = "", 
                       style = wx.OK|wx.CANCEL|wx.CENTRE, pos = wx.DefaultPosition):
        wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)
        
        self.PouNames = []
        self.PouElementNames = []
        
        if wx.VERSION >= (2, 8, 0):
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(2).GetSizer().GetItem(1).GetSizer().GetAffirmativeButton().GetId())
        elif wx.VERSION >= (2, 6, 0):
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetAffirmativeButton().GetId())
        else:
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())
    
    def OnOK(self, event):
        config_name = self.GetSizer().GetItem(1).GetWindow().GetValue()
        if config_name == "":
            message = wx.MessageDialog(self, _("You must type a name!"), _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif not TestIdentifier(config_name):
            message = wx.MessageDialog(self, _("\"%s\" is not a valid identifier!")%config_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif config_name.upper() in IEC_KEYWORDS:
            message = wx.MessageDialog(self, _("\"%s\" is a keyword. It can't be used!")%config_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif config_name.upper() in self.PouNames:
            message = wx.MessageDialog(self, _("A POU named \"%s\" already exists!")%config_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif config_name.upper() in self.PouElementNames:
            message = wx.MessageDialog(self, _("A POU has an element named \"%s\". This could cause a conflict. Do you wish to continue?")%config_name, _("Warning"), wx.YES_NO|wx.ICON_EXCLAMATION)
            result = message.ShowModal()
            message.Destroy()
            if result == wx.ID_YES:
                self.EndModal(wx.ID_OK)
        else:
            self.EndModal(wx.ID_OK)

    def SetPouNames(self, pou_names):
        self.PouNames = [pou_name.upper() for pou_name in pou_names]
    
    def SetPouElementNames(self, pou_names):
        self.PouElementNames = [pou_name.upper() for pou_name in pou_names]
    
    def GetValue(self):
        return self.GetSizer().GetItem(1).GetWindow().GetValue()

#-------------------------------------------------------------------------------
#                          Resource Name Dialog
#-------------------------------------------------------------------------------

class ResourceNameDialog(wx.TextEntryDialog):

    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)

    def __init__(self, parent, message, caption = _("Please enter resource name"), defaultValue = "", 
                       style = wx.OK|wx.CANCEL|wx.CENTRE, pos = wx.DefaultPosition):
        wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)
        
        self.PouNames = []
        self.PouElementNames = []
        
        if wx.VERSION >= (2, 8, 0):
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(2).GetSizer().GetItem(1).GetSizer().GetAffirmativeButton().GetId())
        elif wx.VERSION >= (2, 6, 0):
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetAffirmativeButton().GetId())
        else:
            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())

    def OnOK(self, event):
        resource_name = self.GetSizer().GetItem(1).GetWindow().GetValue()
        if resource_name == "":
            message = wx.MessageDialog(self, _("You must type a name!"), _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif not TestIdentifier(resource_name):
            message = wx.MessageDialog(self, _("\"%s\" is not a valid identifier!")%resource_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif resource_name.upper() in IEC_KEYWORDS:
            message = wx.MessageDialog(self, _("\"%s\" is a keyword. It can't be used!")%resource_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif resource_name.upper() in self.PouNames:
            message = wx.MessageDialog(self, _("A POU named \"%s\" already exists!")%resource_name, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        elif resource_name.upper() in self.PouElementNames:
            message = wx.MessageDialog(self, _("A POU has an element named \"%s\". This could cause a conflict. Do you wish to continue?")%resource_name, _("Warning"), wx.YES_NO|wx.ICON_EXCLAMATION)
            result = message.ShowModal()
            message.Destroy()
            if result == wx.ID_YES:
                self.EndModal(wx.ID_OK)
        else:
            self.EndModal(wx.ID_OK)

    def SetPouNames(self, pou_names):
        self.PouNames = [pou_name.upper() for pou_name in pou_names]
    
    def SetPouElementNames(self, pou_names):
        self.PouElementNames = [pou_name.upper() for pou_name in pou_names]
    
    def GetValue(self):
        return self.GetSizer().GetItem(1).GetWindow().GetValue()

#-------------------------------------------------------------------------------
#                            Variables Editor Panel
#-------------------------------------------------------------------------------

def PouTagname(tagname):
    words = tagname.split("::")
    if words[0] in ["T", "A"]:
        return "P::%s" % words[1]
    return tagname

class VariablePanelIndexer(wx.Panel):
    
    def _init_sizers(self):
        self.MainSizer = wx.BoxSizer(wx.HORIZONTAL)
        
        self.SetSizer(self.MainSizer)
    
    def _init_ctrls(self, prnt):
        wx.Panel.__init__(self, id=wx.NewId(),
              name='VariablePanelIndexer', parent=prnt, pos=wx.Point(0, 0),
              size=wx.Size(0, 300), style=wx.TAB_TRAVERSAL)
        
        self._init_sizers()
    
    def __init__(self, parent, window):
        self._init_ctrls(parent)
        
        self.ParentWindow = window
        
        self.VariablePanelList = {}
        self.CurrentPanel = None
        
    def AddVariablePanel(self, tagname, element_type):
        tagname = PouTagname(tagname)
        panel, users = self.VariablePanelList.get(tagname, (None, 0))
        if panel is None:
            panel = VariablePanel(self, self.ParentWindow, self.ParentWindow.Controler, element_type)
            panel.SetTagName(tagname)
            panel.Hide()
            panel.RefreshView()
            self.MainSizer.AddWindow(panel, 1, border=0, flag=wx.GROW)
        self.VariablePanelList[tagname] = (panel, users + 1)
        
    def RemoveVariablePanel(self, tagname):
        tagname = PouTagname(tagname)
        panel, users = self.VariablePanelList.pop(tagname, (None, 0))
        if panel is not None:
            if users > 1:
                self.VariablePanelList[tagname] = (panel, users - 1)
            else:
                self.MainSizer.Remove(panel)
                panel.Destroy()
            if self.CurrentPanel == tagname:
                self.CurrentPanel = None
    
    def RemoveAllPanels(self):
        for panel, users in self.VariablePanelList.itervalues():
            self.MainSizer.Remove(panel)
            panel.Destroy()
        self.VariablePanelList = {}
        self.CurrentPanel = None
    
    def UpdateVariablePanelTagName(self, old_tagname, new_tagname):
        old_tagname = PouTagname(old_tagname)
        new_tagname = PouTagname(new_tagname)
        if old_tagname in self.VariablePanelList and old_tagname != new_tagname:
            self.VariablePanelList[new_tagname] = self.VariablePanelList.pop(old_tagname)
            if self.CurrentPanel == old_tagname:
                self.CurrentPanel = new_tagname
                
    def ChangeVariablePanel(self, tagname):
        tagname = PouTagname(tagname)
        panel, users = self.VariablePanelList.get(tagname, (None, 0))
        if panel is None:
            if self.CurrentPanel is not None:
                self.VariablePanelList[self.CurrentPanel][0].Hide()
            self.CurrentPanel = None
            self.MainSizer.Layout()
        elif tagname != self.CurrentPanel:
            if self.CurrentPanel is not None:
                self.VariablePanelList[self.CurrentPanel][0].Hide()
            self.CurrentPanel = tagname
            panel.RefreshView()
            panel.Show()
            self.MainSizer.Layout()

    def RefreshVariablePanel(self, tagname):
        panel, users = self.VariablePanelList.get(PouTagname(tagname), (None, 0)) 
        if panel is not None:
            panel.RefreshView()

    def AddVariableHighlight(self, infos, highlight_type):
        self.ChangeVariablePanel(infos[0])
        if self.CurrentPanel is not None:
            self.VariablePanelList[self.CurrentPanel][0].AddVariableHighlight(infos[2:], highlight_type)

    def ClearHighlights(self, highlight_type=None):
        for panel, users in self.VariablePanelList.values():
            panel.ClearHighlights(highlight_type)

#-------------------------------------------------------------------------------
#                            Debug Variables Panel
#-------------------------------------------------------------------------------

def GetDebugVariablesTableColnames():
    _ = lambda x : x
    return [_("Variable"), _("Value")]

class VariableTableItem(DebugDataConsumer):
    
    def __init__(self, parent, variable, value):
        DebugDataConsumer.__init__(self)
        self.Parent = parent
        self.Variable = variable
        self.Value = value
    
    def __del__(self):
        self.Parent = None
    
    def SetVariable(self, variable):
        if self.Parent and self.Variable != variable:
            self.Variable = variable
            self.Parent.RefreshGrid()
    
    def GetVariable(self):
        return self.Variable
    
    def SetForced(self, forced):
        if self.Forced != forced:
            self.Forced = forced
            self.Parent.HasNewData = True
    
    def SetValue(self, value):
        if self.Value != value:
            self.Value = value
            self.Parent.HasNewData = True
            
    def GetValue(self):
        return self.Value

class DebugVariableTable(wx.grid.PyGridTableBase):
    
    """
    A custom wx.grid.Grid Table using user supplied data
    """
    def __init__(self, parent, data, colnames):
        # The base class must be initialized *first*
        wx.grid.PyGridTableBase.__init__(self)
        self.data = data
        self.colnames = colnames
        self.Parent = parent
        # XXX
        # we need to store the row length and collength to
        # see if the table has changed size
        self._rows = self.GetNumberRows()
        self._cols = self.GetNumberCols()
    
    def GetNumberCols(self):
        return len(self.colnames)
        
    def GetNumberRows(self):
        return len(self.data)

    def GetColLabelValue(self, col, translate=True):
        if col < len(self.colnames):
            if translate:
                return _(self.colnames[col])
            return self.colnames[col]

    def GetRowLabelValues(self, row, translate=True):
        return row

    def GetValue(self, row, col):
        if row < self.GetNumberRows():
            return self.GetValueByName(row, self.GetColLabelValue(col, False))
        return ""
    
    def SetValue(self, row, col, value):
        if col < len(self.colnames):
            self.SetValueByName(row, self.GetColLabelValue(col, False), value)
            
    def GetValueByName(self, row, colname):
        if row < self.GetNumberRows():
            if colname == "Variable":
                return self.data[row].GetVariable()
            elif colname == "Value":
                return self.data[row].GetValue()
        return ""

    def SetValueByName(self, row, colname, value):
        if row < self.GetNumberRows():
            if colname == "Variable":
                self.data[row].SetVariable(value)
            elif colname == "Value":
                self.data[row].SetValue(value)
    
    def IsForced(self, row):
        if row < self.GetNumberRows():
            return self.data[row].IsForced()
        return False
    
    def ResetView(self, grid):
        """
        (wx.grid.Grid) -> Reset the grid view.   Call this to
        update the grid if rows and columns have been added or deleted
        """
        grid.BeginBatch()
        for current, new, delmsg, addmsg in [
            (self._rows, self.GetNumberRows(), wx.grid.GRIDTABLE_NOTIFY_ROWS_DELETED, wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED),
            (self._cols, self.GetNumberCols(), wx.grid.GRIDTABLE_NOTIFY_COLS_DELETED, wx.grid.GRIDTABLE_NOTIFY_COLS_APPENDED),
        ]:
            if new < current:
                msg = wx.grid.GridTableMessage(self,delmsg,new,current-new)
                grid.ProcessTableMessage(msg)
            elif new > current:
                msg = wx.grid.GridTableMessage(self,addmsg,new-current)
                grid.ProcessTableMessage(msg)
                self.UpdateValues(grid)
        grid.EndBatch()

        self._rows = self.GetNumberRows()
        self._cols = self.GetNumberCols()
        # update the column rendering scheme
        self._updateColAttrs(grid)

        # update the scrollbars and the displayed part of the grid
        grid.AdjustScrollbars()
        grid.ForceRefresh()

    def UpdateValues(self, grid):
        """Update all displayed values"""
        # This sends an event to the grid table to update all of the values
        msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_REQUEST_VIEW_GET_VALUES)
        grid.ProcessTableMessage(msg)

    def _updateColAttrs(self, grid):
        """
        wx.grid.Grid -> update the column attributes to add the
        appropriate renderer given the column name.

        Otherwise default to the default renderer.
        """
        
        for row in range(self.GetNumberRows()):
            for col in range(self.GetNumberCols()):
                if self.GetColLabelValue(col, False) == "Value":
                    if self.IsForced(row):
                        grid.SetCellTextColour(row, col, wx.BLUE)
                    else:
                        grid.SetCellTextColour(row, col, wx.BLACK)
                grid.SetReadOnly(row, col, True)
                
    def SetData(self, data):
        self.data = data
    
    def GetData(self):
        return self.data
    
    def AppendItem(self, data):
        self.data.append(data)
    
    def InsertItem(self, idx, data):
        self.data.insert(idx, data)
    
    def RemoveItem(self, idx):
        self.data.pop(idx)
    
    def MoveItem(self, idx, new_idx):
        self.data.insert(new_idx, self.data.pop(idx))
        
    def GetItem(self, idx):
        return self.data[idx]

    def Empty(self):
        self.data = []
    
class DebugVariableDropTarget(wx.TextDropTarget):
    
    def __init__(self, parent):
        wx.TextDropTarget.__init__(self)
        self.ParentWindow = parent
    
    def OnDropText(self, x, y, data):
        x, y = self.ParentWindow.VariablesGrid.CalcUnscrolledPosition(x, y)
        row = self.ParentWindow.VariablesGrid.YToRow(y - self.ParentWindow.VariablesGrid.GetColLabelSize())
        if row == wx.NOT_FOUND:
            row = self.ParentWindow.Table.GetNumberRows()
        message = None
        try:
            values = eval(data)
        except:
            message = _("Invalid value \"%s\" for debug variable")%data
            values = None
        if not isinstance(values, TupleType):
            message = _("Invalid value \"%s\" for debug variable")%data
            values = None
        if values is not None and values[1] == "debug":
            self.ParentWindow.InsertValue(values[0], row)
        if message is not None:
            wx.CallAfter(self.ShowMessage, message)
            
    def ShowMessage(self, message):
        message = wx.MessageDialog(self.ParentWindow, message, _("Error"), wx.OK|wx.ICON_ERROR)
        message.ShowModal()
        message.Destroy()

[ID_DEBUGVARIABLEPANEL, ID_DEBUGVARIABLEPANELVARIABLESGRID, 
 ID_DEBUGVARIABLEPANELUPBUTTON, ID_DEBUGVARIABLEPANELDOWNBUTTON, 
 ID_DEBUGVARIABLEPANELDELETEBUTTON,
] = [wx.NewId() for _init_ctrls in range(5)]

class DebugVariablePanel(wx.Panel, DebugViewer):
    
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def _init_coll_MainSizer_Items(self, parent):
        parent.AddSizer(self.ButtonPanelSizer, 0, border=5, flag=wx.ALIGN_RIGHT|wx.ALL)
        parent.AddWindow(self.VariablesGrid, 0, border=0, flag=wx.GROW)
    
    def _init_coll_MainSizer_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(1)
    
    def _init_coll_ButtonPanelSizer_Items(self, parent):
        parent.AddWindow(self.UpButton, 0, border=5, flag=wx.RIGHT)
        parent.AddWindow(self.DownButton, 0, border=5, flag=wx.RIGHT)
        parent.AddWindow(self.DeleteButton, 0, border=0, flag=0)
        
    def _init_sizers(self):
        self.MainSizer = wx.FlexGridSizer(cols=1, hgap=10, rows=2, vgap=0)
        self.ButtonPanelSizer = wx.BoxSizer(wx.HORIZONTAL)
        
        self._init_coll_MainSizer_Items(self.MainSizer)
        self._init_coll_MainSizer_Growables(self.MainSizer)
        self._init_coll_ButtonPanelSizer_Items(self.ButtonPanelSizer)
        
        self.SetSizer(self.MainSizer)
        
    def _init_ctrls(self, prnt):
        wx.Panel.__init__(self, id=ID_DEBUGVARIABLEPANEL,
              name='DebugVariablePanel', parent=prnt, pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)

        self.VariablesGrid = wx.grid.Grid(id=ID_DEBUGVARIABLEPANELVARIABLESGRID,
              name='VariablesGrid', parent=self, pos=wx.Point(0, 0), 
              size=wx.Size(0, 150), style=wx.VSCROLL)
        self.VariablesGrid.SetFont(wx.Font(12, 77, wx.NORMAL, wx.NORMAL, False,
              'Sans'))
        self.VariablesGrid.SetLabelFont(wx.Font(10, 77, wx.NORMAL, wx.NORMAL,
              False, 'Sans'))
        self.VariablesGrid.SetSelectionBackground(wx.WHITE)
        self.VariablesGrid.SetSelectionForeground(wx.BLACK)
        self.VariablesGrid.SetDropTarget(DebugVariableDropTarget(self))
        if wx.VERSION >= (2, 6, 0):
            self.VariablesGrid.Bind(wx.grid.EVT_GRID_SELECT_CELL, self.OnVariablesGridCellSelect)
            self.VariablesGrid.Bind(wx.grid.EVT_GRID_CELL_RIGHT_CLICK, self.OnVariablesGridCellRightClick)
        else:
            wx.grid.EVT_GRID_SELECT_CELL(self.VariablesGrid, self.OnVariablesGridCellSelect)
            wx.grid.EVT_GRID_CELL_RIGHT_CLICK(self.VariablesGrid, self.OnVariablesGridCellRightClick)
        
        self.UpButton = wx.Button(id=ID_DEBUGVARIABLEPANELUPBUTTON, label='^',
              name='UpButton', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(32, 32), style=0)
        self.Bind(wx.EVT_BUTTON, self.OnUpButton, id=ID_DEBUGVARIABLEPANELUPBUTTON)
        
        self.DownButton = wx.Button(id=ID_DEBUGVARIABLEPANELDOWNBUTTON, label='v',
              name='DownButton', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(32, 32), style=0)
        self.Bind(wx.EVT_BUTTON, self.OnDownButton, id=ID_DEBUGVARIABLEPANELDOWNBUTTON)
        
        self.DeleteButton = wx.Button(id=ID_DEBUGVARIABLEPANELDELETEBUTTON, label=_('Delete'),
              name='DeleteButton', parent=self, pos=wx.Point(0, 0),
              size=wx.DefaultSize, style=0)
        self.Bind(wx.EVT_BUTTON, self.OnDeleteButton, id=ID_DEBUGVARIABLEPANELDELETEBUTTON)
        
        self._init_sizers()
    
    def __init__(self, parent, producer):
        self._init_ctrls(parent)
        DebugViewer.__init__(self, producer, True)
        self.HasNewData = False
        
        self.Table = DebugVariableTable(self, [], GetDebugVariablesTableColnames())
        self.VariablesGrid.SetTable(self.Table)
        self.VariablesGrid.SetRowLabelSize(0)
        
        for col in range(self.Table.GetNumberCols()):
            attr = wx.grid.GridCellAttr()
            attr.SetAlignment(wx.ALIGN_RIGHT, wx.ALIGN_CENTER)
            self.VariablesGrid.SetColAttr(col, attr)
            self.VariablesGrid.SetColSize(col, 100)
        
        self.Table.ResetView(self.VariablesGrid)
        self.RefreshButtons()
    
    def RefreshNewData(self):
        if self.HasNewData:
            self.HasNewData = False
            self.RefreshGrid()
        DebugViewer.RefreshNewData(self)
    
    def RefreshGrid(self):
        self.Freeze()
        self.Table.ResetView(self.VariablesGrid)
        self.Thaw()
    
    def ResetGrid(self):
        self.DeleteDataConsumers()
        self.Table.Empty()
        self.Freeze()
        self.Table.ResetView(self.VariablesGrid)
        self.Thaw()
    
    def GetForceVariableMenuFunction(self, iec_path, item):
        iec_type = self.GetDataType(iec_path)
        def ForceVariableFunction(event):
            if iec_type is not None:
                dialog = ForceVariableDialog(self, iec_type, str(item.GetValue()))
                if dialog.ShowModal() == wx.ID_OK:
                    self.ForceDataValue(iec_path, dialog.GetValue())
        return ForceVariableFunction

    def GetReleaseVariableMenuFunction(self, iec_path):
        def ReleaseVariableFunction(event):
            self.ReleaseDataValue(iec_path)
        return ReleaseVariableFunction
    
    def OnVariablesGridCellSelect(self, event):
        wx.CallAfter(self.RefreshButtons)
        event.Skip()
    
    def OnVariablesGridCellRightClick(self, event):
        row, col = event.GetRow(), event.GetCol()
        if self.Table.GetColLabelValue(col, False) == "Value":
            iec_path = self.Table.GetValueByName(row, "Variable").upper()

            menu = wx.Menu(title='')
            new_id = wx.NewId()
            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Force value"))
            self.Bind(wx.EVT_MENU, self.GetForceVariableMenuFunction(iec_path.upper(), self.Table.GetItem(row)), id=new_id)
            new_id = wx.NewId()
            AppendMenu(menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Release value"))
            self.Bind(wx.EVT_MENU, self.GetReleaseVariableMenuFunction(iec_path.upper()), id=new_id)
            if self.Table.IsForced(row):
                menu.Enable(new_id, True)
            else:
                menu.Enable(new_id, False)
            self.PopupMenu(menu)
        event.Skip()
    
    def RefreshButtons(self):
        if getattr(self, "Table", None):
            table_length = len(self.Table.data)
            row = 0
            if table_length > 0:
                row = self.VariablesGrid.GetGridCursorRow()
            self.DeleteButton.Enable(table_length > 0)
            self.UpButton.Enable(table_length > 0 and row > 0)
            self.DownButton.Enable(table_length > 0 and row < table_length - 1)
    
    def OnDeleteButton(self, event):
        idx = self.VariablesGrid.GetGridCursorRow()
        if idx >= 0:
            item = self.Table.GetItem(idx)
            self.RemoveDataConsumer(item)
            self.Table.RemoveItem(idx)
            self.RefreshGrid()
            self.RefreshButtons()
        event.Skip()

    def OnUpButton(self, event):
        self.MoveValue(self.VariablesGrid.GetGridCursorRow(), -1)
        event.Skip()

    def OnDownButton(self, event):
        self.MoveValue(self.VariablesGrid.GetGridCursorRow(), 1)
        event.Skip()

    def InsertValue(self, iec_path, idx = None):
        if idx is None:
            idx = self.Table.GetNumberRows()
        for item in self.Table.GetData():
            if iec_path == item.GetVariable():
                return
        item = VariableTableItem(self, iec_path, "")
        result = self.AddDataConsumer(iec_path.upper(), item)
        if result is not None:
            self.Table.InsertItem(idx, item)
            self.RefreshGrid()
            self.RefreshButtons()

    def MoveValue(self, idx, move):
        new_idx = max(0, min(idx + move, self.Table.GetNumberRows() - 1))
        if new_idx != idx:
            self.Table.MoveItem(idx, new_idx)
            self.RefreshGrid()
            self.VariablesGrid.SetGridCursor(new_idx, self.VariablesGrid.GetGridCursorCol())
            self.RefreshButtons()
            
#-------------------------------------------------------------------------------
#                               Viewer Printout
#-------------------------------------------------------------------------------

UPPER_DIV = lambda x, y: (x / y) + {True : 0, False : 1}[(x % y) == 0]

class GraphicPrintout(wx.Printout):
    def __init__(self, viewer, page_size, margins, preview = False):
        wx.Printout.__init__(self)
        self.Viewer = viewer
        self.PageSize = page_size
        if self.PageSize[0] == 0 or self.PageSize[1] == 0:
            self.PageSize = (1050, 1485)
        self.Preview = preview
        self.Margins = margins
        self.FontSize = 5
        self.TextMargin = 3
        
        maxx, maxy = viewer.GetMaxSize()
        self.PageGrid = (UPPER_DIV(maxx, self.PageSize[0]), 
                         UPPER_DIV(maxy, self.PageSize[1]))
        
    def GetPageNumber(self):
        return self.PageGrid[0] * self.PageGrid[1]
    
    def HasPage(self, page):
        return page <= self.GetPageNumber()
        
    def GetPageInfo(self):
        page_number = self.GetPageNumber()
        return (1, page_number, 1, page_number)

    def OnBeginDocument(self, startPage, endPage):
        dc = self.GetDC()
        if not self.Preview and isinstance(dc, wx.PostScriptDC):
            dc.SetResolution(720)
        super(GraphicPrintout, self).OnBeginDocument(startPage, endPage)

    def OnPrintPage(self, page):
        dc = self.GetDC()
        dc.SetUserScale(1.0, 1.0)
        dc.SetDeviceOrigin(0, 0)
        dc.printing = not self.Preview
        
        # Get the size of the DC in pixels
        ppiPrinterX, ppiPrinterY = self.GetPPIPrinter()
        ppiScreenX, ppiScreenY = self.GetPPIScreen()
        pw, ph = self.GetPageSizePixels()
        dw, dh = dc.GetSizeTuple()
        Xscale = (float(dw) * float(ppiPrinterX)) / (float(pw) * 25.4)
        Yscale = (float(dh) * float(ppiPrinterY)) / (float(ph) * 25.4)
        
        fontsize = self.FontSize * Yscale
        text_margin = self.TextMargin * Yscale
        
        margin_left = self.Margins[0].x * Xscale
        margin_top = self.Margins[0].y * Yscale
        area_width = dw - self.Margins[1].x * Xscale - margin_left
        area_height = dh - self.Margins[1].y * Yscale - margin_top
        
        dc.SetPen(MiterPen(wx.BLACK))
        dc.SetBrush(wx.TRANSPARENT_BRUSH)    
        dc.DrawRectangle(margin_left, margin_top, area_width, area_height)
        
        dc.SetFont(wx.Font(fontsize, wx.DEFAULT, wx.NORMAL, wx.NORMAL))
        dc.SetTextForeground(wx.BLACK)
        block_name = " - ".join(self.Viewer.GetTagName().split("::")[1:])
        text_width, text_height = dc.GetTextExtent(block_name)
        dc.DrawText(block_name, margin_left, margin_top - text_height - self.TextMargin)
        dc.DrawText(_("Page: %d") % page, margin_left, margin_top + area_height + self.TextMargin)
        
        # Calculate the position on the DC for centering the graphic
        posX = area_width * ((page - 1) % self.PageGrid[0])
        posY = area_height * ((page - 1) / self.PageGrid[0])

        scaleX = float(area_width) / float(self.PageSize[0])
        scaleY = float(area_height) / float(self.PageSize[1])
        scale = min(scaleX, scaleY)

        # Set the scale and origin
        dc.SetDeviceOrigin(-posX + margin_left, -posY + margin_top)
        dc.SetClippingRegion(posX, posY, self.PageSize[0] * scale, self.PageSize[1] * scale)
        dc.SetUserScale(scale, scale)
        
        #-------------------------------------------
        
        self.Viewer.DoDrawing(dc, True)
        
        return True

#-------------------------------------------------------------------------------
#                               Exception Handler
#-------------------------------------------------------------------------------

Max_Traceback_List_Size = 20

def Display_Exception_Dialog(e_type,e_value,e_tb):
    trcbck_lst = []
    for i,line in enumerate(traceback.extract_tb(e_tb)):
        trcbck = " " + str(i+1) + _(". ")
        if line[0].find(os.getcwd()) == -1:
            trcbck += _("file : ") + str(line[0]) + _(",   ")
        else:
            trcbck += _("file : ") + str(line[0][len(os.getcwd()):]) + _(",   ")
        trcbck += _("line : ") + str(line[1]) + _(",   ") + _("function : ") + str(line[2])
        trcbck_lst.append(trcbck)
        
    # Allow clicking....
    cap = wx.Window_GetCapture()
    if cap:
        cap.ReleaseMouse()

    dlg = wx.SingleChoiceDialog(None, 
        _("""
An error has occurred.

Click OK to save an error report.

Please be kind enough to send this file to:
edouard.tisserant@gmail.com

Error:
""") +
        str(e_type) + _(" : ") + str(e_value), 
        _("Error"),
        trcbck_lst)
    try:
        res = (dlg.ShowModal() == wx.ID_OK)
    finally:
        dlg.Destroy()

    return res

def Display_Error_Dialog(e_value):
    message = wx.MessageDialog(None, str(e_value), _("Error"), wx.OK|wx.ICON_ERROR)
    message.ShowModal()
    message.Destroy()

def get_last_traceback(tb):
    while tb.tb_next:
        tb = tb.tb_next
    return tb


def format_namespace(d, indent='    '):
    return '\n'.join(['%s%s: %s' % (indent, k, repr(v)[:10000]) for k, v in d.iteritems()])


ignored_exceptions = [] # a problem with a line in a module is only reported once per session

def AddExceptHook(path, app_version='[No version]'):#, ignored_exceptions=[]):
    
    def handle_exception(e_type, e_value, e_traceback):
        traceback.print_exception(e_type, e_value, e_traceback) # this is very helpful when there's an exception in the rest of this func
        last_tb = get_last_traceback(e_traceback)
        ex = (last_tb.tb_frame.f_code.co_filename, last_tb.tb_frame.f_lineno)
        if str(e_value).startswith("!!!"):
            Display_Error_Dialog(e_value)
        elif ex not in ignored_exceptions:
            result = Display_Exception_Dialog(e_type,e_value,e_traceback)
            if result:
                ignored_exceptions.append(ex)
                info = {
                    'app-title' : wx.GetApp().GetAppName(), # app_title
                    'app-version' : app_version,
                    'wx-version' : wx.VERSION_STRING,
                    'wx-platform' : wx.Platform,
                    'python-version' : platform.python_version(), #sys.version.split()[0],
                    'platform' : platform.platform(),
                    'e-type' : e_type,
                    'e-value' : e_value,
                    'date' : time.ctime(),
                    'cwd' : os.getcwd(),
                    }
                if e_traceback:
                    info['traceback'] = ''.join(traceback.format_tb(e_traceback)) + '%s: %s' % (e_type, e_value)
                    last_tb = get_last_traceback(e_traceback)
                    exception_locals = last_tb.tb_frame.f_locals # the locals at the level of the stack trace where the exception actually occurred
                    info['locals'] = format_namespace(exception_locals)
                    if 'self' in exception_locals:
                        info['self'] = format_namespace(exception_locals['self'].__dict__)
                
                output = open(path+os.sep+"bug_report_"+info['date'].replace(':','-').replace(' ','_')+".txt",'w')
                lst = info.keys()
                lst.sort()
                for a in lst:
                    output.write(a+":\n"+str(info[a])+"\n\n")

    #sys.excepthook = lambda *args: wx.CallAfter(handle_exception, *args)
    sys.excepthook = handle_exception

if __name__ == '__main__':
    wx.InitAllImageHandlers()
    
    # Install a exception handle for bug reports
    AddExceptHook(os.getcwd(),__version__)
    
    frame = PLCOpenEditor(None, fileOpen=fileOpen)

    frame.Show()
    app.MainLoop()