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#!/usr/bin/env python

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

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#This file is part of CanFestival, a library implementing CanOpen Stack. 

     5

#

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#Copyright (C): Edouard TISSERANT, Francis DUPIN and Laurent BESSARD

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#

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#See COPYING file for copyrights details.

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#

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

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#modify it under the terms of the GNU Lesser General Public

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#License as published by the Free Software Foundation; either

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

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#

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

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

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

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#Lesser General Public License for more details.

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#

    20

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

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

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

    23

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import wx

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import wx.grid

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    27

from types import *

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

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__version__ = "$Revision$"

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from nodelist import *

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from nodemanager import *

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from subindextable import *

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from commondialogs import *

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from doc_index.DS301_index import *

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    38

def create(parent):

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    return networkedit(parent)

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    41

def usage():

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    print "\nUsage of networkedit.py :"

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    print "\n   %s [Projectpath]\n"%sys.argv[0]

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    45

try:

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    opts, args = getopt.getopt(sys.argv[1:], "h", ["help"])

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except getopt.GetoptError:

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    # print help information and exit:

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    usage()

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    sys.exit(2)

    51

    52

for o, a in opts:

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    if o in ("-h", "--help"):

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        usage()

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        sys.exit()

    56

    57

if len(args) == 0:

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    projectOpen = None 

    59

elif len(args) == 1:

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    projectOpen = args[0]

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else:

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    usage()

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    sys.exit(2)

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ScriptDirectory = os.path.split(__file__)[0]

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    66

try:

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    import wx.html

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    69

    EVT_HTML_URL_CLICK = wx.NewId()

    70

    71

    class HtmlWindowUrlClick(wx.PyEvent):

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        def __init__(self, linkinfo):

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            wx.PyEvent.__init__(self)

    74

            self.SetEventType(EVT_HTML_URL_CLICK)

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            self.linkinfo = (linkinfo.GetHref(), linkinfo.GetTarget())

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    77

    class UrlClickHtmlWindow(wx.html.HtmlWindow):

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        """ HTML window that generates and OnLinkClicked event.

    79

    80

        Use this to avoid having to override HTMLWindow

    81

        """

    82

        def OnLinkClicked(self, linkinfo):

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            wx.PostEvent(self, HtmlWindowUrlClick(linkinfo))

    84

    85

        def Bind(self, event, handler, source=None, id=wx.ID_ANY, id2=wx.ID_ANY):

    86

            if event == HtmlWindowUrlClick:

    87

                self.Connect(-1, -1, EVT_HTML_URL_CLICK, handler)

    88

            else:

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                wx.html.HtmlWindow.Bind(event, handler, source=source, id=id, id2=id2)

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    91

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

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#                                Html Frame

    93

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

    94

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    [ID_HTMLFRAME, ID_HTMLFRAMEHTMLCONTENT] = [wx.NewId() for _init_ctrls in range(2)]

    96

    97

    class HtmlFrame(wx.Frame):

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        def _init_ctrls(self, prnt):

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            # generated method, don't edit

   100

            wx.Frame.__init__(self, id=ID_HTMLFRAME, name='HtmlFrame',

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                  parent=prnt, pos=wx.Point(320, 231), size=wx.Size(853, 616),

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                  style=wx.DEFAULT_FRAME_STYLE, title='')

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            self.Bind(wx.EVT_CLOSE, self.OnCloseFrame, id=ID_HTMLFRAME)

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   105

            self.HtmlContent = UrlClickHtmlWindow(id=ID_HTMLFRAMEHTMLCONTENT,

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                  name='HtmlContent', parent=self, pos=wx.Point(0, 0),

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                  size=wx.Size(-1, -1), style=wx.html.HW_SCROLLBAR_AUTO|wx.html.HW_NO_SELECTION)

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            self.HtmlContent.Bind(HtmlWindowUrlClick, self.OnLinkClick)

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   110

        def __init__(self, parent, opened):

   111

            self._init_ctrls(parent)

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            self.HtmlFrameOpened = opened

   113

   114

        def SetHtmlCode(self, htmlcode):

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            self.HtmlContent.SetPage(htmlcode)

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   117

        def SetHtmlPage(self, htmlpage):

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            self.HtmlContent.LoadPage(htmlpage)

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   120

        def OnCloseFrame(self, event):

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            self.HtmlFrameOpened.remove(self.GetTitle())

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            event.Skip()

   123

   124

        def OnLinkClick(self, event):

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            url = event.linkinfo[0]

   126

            try:

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                import webbrowser

   128

            except ImportError:

   129

                wx.MessageBox('Please point your browser at: %s' % url)

   130

            else:

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                webbrowser.open(url)

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   133

    Html_Window = True

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except:

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    Html_Window = False

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   137

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[ID_NETWORKEDIT, ID_NETWORKEDITNETWORKNODES, 

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 ID_NETWORKEDITHELPBAR,

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] = [wx.NewId() for _init_ctrls in range(3)]

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   142

[ID_NETWORKEDITADDMENUITEMS0, ID_NETWORKEDITADDMENUITEMS1, 

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 ID_NETWORKEDITADDMENUITEMS2, ID_NETWORKEDITADDMENUITEMS3, 

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 ID_NETWORKEDITADDMENUITEMS4, ID_NETWORKEDITADDMENUITEMS5, 

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

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[ID_NETWORKEDITFILEMENUITEMS0, ID_NETWORKEDITFILEMENUITEMS1, 

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 ID_NETWORKEDITFILEMENUITEMS2, ID_NETWORKEDITFILEMENUITEMS4, 

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 ID_NETWORKEDITFILEMENUITEMS5, ID_NETWORKEDITFILEMENUITEMS6,

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

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   152

[ID_NETWORKEDITNETWORKMENUITEMS0, ID_NETWORKEDITNETWORKMENUITEMS1, 

   153

 ID_NETWORKEDITNETWORKMENUITEMS3, 

   154

] = [wx.NewId() for _init_coll_AddMenu_Items in range(3)]

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   156

   157

[ID_NETWORKEDITEDITMENUITEMS0, ID_NETWORKEDITEDITMENUITEMS1, 

   158

 ID_NETWORKEDITEDITMENUITEMS2, ID_NETWORKEDITEDITMENUITEMS4, 

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 ID_NETWORKEDITEDITMENUITEMS6, ID_NETWORKEDITEDITMENUITEMS7, 

   160

 ID_NETWORKEDITEDITMENUITEMS8, 

   161

] = [wx.NewId() for _init_coll_EditMenu_Items in range(7)]

   162

   163

[ID_NETWORKEDITHELPMENUITEMS0, ID_NETWORKEDITHELPMENUITEMS1,

   164

 ID_NETWORKEDITHELPMENUITEMS2,

   165

] = [wx.NewId() for _init_coll_HelpMenu_Items in range(3)]

   166

   167

class networkedit(wx.Frame):

   168

    def _init_coll_menuBar1_Menus(self, parent):

   169

        if self.ModeSolo:

   170

            parent.Append(menu=self.FileMenu, title='File')

   171

        parent.Append(menu=self.NetworkMenu, title='Network')

   172

        parent.Append(menu=self.EditMenu, title='Edit')

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        parent.Append(menu=self.AddMenu, title='Add')

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        parent.Append(menu=self.HelpMenu, title='Help')

   175

   176

    def _init_coll_EditMenu_Items(self, parent):

   177

        parent.Append(help='', id=ID_NETWORKEDITEDITMENUITEMS4,

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              kind=wx.ITEM_NORMAL, text='Refresh\tCTRL+R')

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        parent.AppendSeparator()

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        parent.Append(help='', id=ID_NETWORKEDITEDITMENUITEMS1,

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              kind=wx.ITEM_NORMAL, text='Undo\tCTRL+Z')

   182

        parent.Append(help='', id=ID_NETWORKEDITEDITMENUITEMS0,

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              kind=wx.ITEM_NORMAL, text='Redo\tCTRL+Y')

   184

        parent.AppendSeparator()

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        parent.Append(help='', id=ID_NETWORKEDITEDITMENUITEMS6,

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              kind=wx.ITEM_NORMAL, text='Node infos')

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        parent.Append(help='', id=ID_NETWORKEDITEDITMENUITEMS2,

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              kind=wx.ITEM_NORMAL, text='DS-301 Profile')

   189

        parent.Append(help='', id=ID_NETWORKEDITEDITMENUITEMS8,

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              kind=wx.ITEM_NORMAL, text='DS-302 Profile')

   191

        parent.Append(help='', id=ID_NETWORKEDITEDITMENUITEMS7,

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              kind=wx.ITEM_NORMAL, text='Other Profile')

   193

        self.Bind(wx.EVT_MENU, self.OnUndoMenu,

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              id=ID_NETWORKEDITEDITMENUITEMS1)

   195

        self.Bind(wx.EVT_MENU, self.OnRedoMenu,

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              id=ID_NETWORKEDITEDITMENUITEMS0)

   197

        self.Bind(wx.EVT_MENU, self.OnCommunicationMenu,

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              id=ID_NETWORKEDITEDITMENUITEMS2)

   199

        self.Bind(wx.EVT_MENU, self.OnRefreshMenu,

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              id=ID_NETWORKEDITEDITMENUITEMS4)

   201

        self.Bind(wx.EVT_MENU, self.OnNodeInfosMenu,

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              id=ID_NETWORKEDITEDITMENUITEMS6)

   203

        self.Bind(wx.EVT_MENU, self.OnEditProfileMenu,

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              id=ID_NETWORKEDITEDITMENUITEMS7)

   205

        self.Bind(wx.EVT_MENU, self.OnOtherCommunicationMenu,

   206

              id=ID_NETWORKEDITEDITMENUITEMS8)

   207

   208

    def _init_coll_HelpMenu_Items(self, parent):

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        parent.Append(help='', id=ID_NETWORKEDITHELPMENUITEMS0,

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              kind=wx.ITEM_NORMAL, text='DS-301 Standard\tF1')

   211

        self.Bind(wx.EVT_MENU, self.OnHelpDS301Menu,

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              id=ID_NETWORKEDITHELPMENUITEMS0)

   213

        parent.Append(help='', id=ID_NETWORKEDITHELPMENUITEMS1,

   214

              kind=wx.ITEM_NORMAL, text='CAN Festival Docs\tF2')

   215

        self.Bind(wx.EVT_MENU, self.OnHelpCANFestivalMenu,

   216

              id=ID_NETWORKEDITHELPMENUITEMS1)

   217

        if Html_Window and self.ModeSolo:

   218

            parent.Append(help='', id=ID_NETWORKEDITHELPMENUITEMS2,

   219

                  kind=wx.ITEM_NORMAL, text='About')

   220

            self.Bind(wx.EVT_MENU, self.OnAboutMenu,

   221

                  id=ID_NETWORKEDITHELPMENUITEMS2)

   222

   223

    def _init_coll_FileMenu_Items(self, parent):

   224

        parent.Append(help='', id=ID_NETWORKEDITFILEMENUITEMS5,

   225

              kind=wx.ITEM_NORMAL, text='New\tCTRL+N')

   226

        parent.Append(help='', id=ID_NETWORKEDITFILEMENUITEMS0,

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              kind=wx.ITEM_NORMAL, text='Open\tCTRL+O')

   228

        parent.Append(help='', id=ID_NETWORKEDITFILEMENUITEMS1,

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              kind=wx.ITEM_NORMAL, text='Save\tCTRL+S')

   230

        parent.Append(help='', id=ID_NETWORKEDITFILEMENUITEMS2,

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              kind=wx.ITEM_NORMAL, text='Close\tCTRL+W')

   232

        parent.AppendSeparator()

   233

        parent.Append(help='', id=ID_NETWORKEDITFILEMENUITEMS4,

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              kind=wx.ITEM_NORMAL, text='Exit')

   235

        self.Bind(wx.EVT_MENU, self.OnOpenProjectMenu,

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              id=ID_NETWORKEDITFILEMENUITEMS0)

   237

        self.Bind(wx.EVT_MENU, self.OnSaveProjectMenu,

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              id=ID_NETWORKEDITFILEMENUITEMS1)

   239

        self.Bind(wx.EVT_MENU, self.OnCloseProjectMenu,

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              id=ID_NETWORKEDITFILEMENUITEMS2)

   241

        self.Bind(wx.EVT_MENU, self.OnQuitMenu,

   242

              id=ID_NETWORKEDITFILEMENUITEMS4)

   243

        self.Bind(wx.EVT_MENU, self.OnNewProjectMenu,

   244

              id=ID_NETWORKEDITFILEMENUITEMS5)

   245

   246

    def _init_coll_NetworkMenu_Items(self, parent):

   247

        parent.Append(help='', id=ID_NETWORKEDITNETWORKMENUITEMS0,

   248

              kind=wx.ITEM_NORMAL, text='Add Slave Node')

   249

        parent.Append(help='', id=ID_NETWORKEDITNETWORKMENUITEMS1,

   250

              kind=wx.ITEM_NORMAL, text='Remove Slave Node')

   251

        parent.AppendSeparator()

   252

        parent.Append(help='', id=ID_NETWORKEDITNETWORKMENUITEMS3,

   253

              kind=wx.ITEM_NORMAL, text='Build Master Dictionary')

   254

        self.Bind(wx.EVT_MENU, self.OnAddSlaveMenu,

   255

              id=ID_NETWORKEDITNETWORKMENUITEMS0)

   256

        self.Bind(wx.EVT_MENU, self.OnRemoveSlaveMenu,

   257

              id=ID_NETWORKEDITNETWORKMENUITEMS1)

   258

##        self.Bind(wx.EVT_MENU, self.OnBuildMasterMenu,

   259

##              id=ID_NETWORKEDITNETWORKMENUITEMS3)

   260

   261

    def _init_coll_AddMenu_Items(self, parent):

   262

        parent.Append(help='', id=ID_NETWORKEDITADDMENUITEMS0,

   263

              kind=wx.ITEM_NORMAL, text='SDO Server')

   264

        parent.Append(help='', id=ID_NETWORKEDITADDMENUITEMS1,

   265

              kind=wx.ITEM_NORMAL, text='SDO Client')

   266

        parent.Append(help='', id=ID_NETWORKEDITADDMENUITEMS2,

   267

              kind=wx.ITEM_NORMAL, text='PDO Transmit')

   268

        parent.Append(help='', id=ID_NETWORKEDITADDMENUITEMS3,

   269

              kind=wx.ITEM_NORMAL, text='PDO Receive')

   270

        parent.Append(help='', id=ID_NETWORKEDITADDMENUITEMS4,

   271

              kind=wx.ITEM_NORMAL, text='Map Variable')

   272

        parent.Append(help='', id=ID_NETWORKEDITADDMENUITEMS5,

   273

              kind=wx.ITEM_NORMAL, text='User Type')

   274

        self.Bind(wx.EVT_MENU, self.OnAddSDOServerMenu,

   275

              id=ID_NETWORKEDITADDMENUITEMS0)

   276

        self.Bind(wx.EVT_MENU, self.OnAddSDOClientMenu,

   277

              id=ID_NETWORKEDITADDMENUITEMS1)

   278

        self.Bind(wx.EVT_MENU, self.OnAddPDOTransmitMenu,

   279

              id=ID_NETWORKEDITADDMENUITEMS2)

   280

        self.Bind(wx.EVT_MENU, self.OnAddPDOReceiveMenu,

   281

              id=ID_NETWORKEDITADDMENUITEMS3)

   282

        self.Bind(wx.EVT_MENU, self.OnAddMapVariableMenu,

   283

              id=ID_NETWORKEDITADDMENUITEMS4)

   284

        self.Bind(wx.EVT_MENU, self.OnAddUserTypeMenu,

   285

              id=ID_NETWORKEDITADDMENUITEMS5)

   286

   287

    def _init_coll_HelpBar_Fields(self, parent):

   288

        parent.SetFieldsCount(3)

   289

   290

        parent.SetStatusText(number=0, text='')

   291

        parent.SetStatusText(number=1, text='')

   292

        parent.SetStatusText(number=2, text='')

   293

   294

        parent.SetStatusWidths([100, 110, -1])

   295

   296

    def _init_utils(self):

   297

        self.menuBar1 = wx.MenuBar()

   298

        self.menuBar1.SetEvtHandlerEnabled(True)

   299

   300

        if self.ModeSolo:

   301

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

   302

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

   303

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

   304

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

   305

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

   306

   307

        self._init_coll_menuBar1_Menus(self.menuBar1)

   308

        if self.ModeSolo:

   309

            self._init_coll_FileMenu_Items(self.FileMenu)

   310

        self._init_coll_NetworkMenu_Items(self.NetworkMenu)

   311

        self._init_coll_EditMenu_Items(self.EditMenu)

   312

        self._init_coll_AddMenu_Items(self.AddMenu)

   313

        self._init_coll_HelpMenu_Items(self.HelpMenu)

   314

   315

    def _init_ctrls(self, prnt):

   316

        wx.Frame.__init__(self, id=ID_NETWORKEDIT, name='networkedit',

   317

              parent=prnt, pos=wx.Point(149, 178), size=wx.Size(1000, 700),

   318

              style=wx.DEFAULT_FRAME_STYLE, title='Networkedit')

   319

        self._init_utils()

   320

        self.SetClientSize(wx.Size(1000, 700))

   321

        self.SetMenuBar(self.menuBar1)

   322

        self.Bind(wx.EVT_CLOSE, self.OnCloseFrame, id=ID_NETWORKEDIT)

   323

   324

        self.NetworkNodes = wx.Notebook(id=ID_NETWORKEDITNETWORKNODES,

   325

              name='NetworkNodes', parent=self, pos=wx.Point(0, 0),

   326

              size=wx.Size(0, 0), style=wx.NB_LEFT)

   327

        self.NetworkNodes.Bind(wx.EVT_NOTEBOOK_PAGE_CHANGED,

   328

              self.OnNodeSelectedChanged, id=ID_NETWORKEDITNETWORKNODES)

   329

   330

        self.HelpBar = wx.StatusBar(id=ID_NETWORKEDITHELPBAR, name='HelpBar',

   331

              parent=self, style=wx.ST_SIZEGRIP)

   332

        self._init_coll_HelpBar_Fields(self.HelpBar)

   333

        self.SetStatusBar(self.HelpBar)

   334

   335

    def __init__(self, parent, nodelist = None):

   336

        self.ModeSolo = nodelist == None

   337

        self._init_ctrls(parent)

   338

        self.Parent = parent

   339

        self.HtmlFrameOpened = []

   340

        self.BusId = None

   341

   342

        if self.ModeSolo:

   343

            self.Manager = NodeManager()

   344

            if projectOpen:

   345

                self.NodeList = NodeList(self.Manager)

   346

                result = self.NodeList.LoadProject(projectOpen)

   347

                if not result:

   348

                    self.RefreshNetworkNodes()

   349

            else:

   350

                self.NodeList = None

   351

        else:

   352

            self.NodeList = nodelist

   353

            self.Manager = self.NodeList.GetManager()

   354

            self.NodeList.SetCurrentSelected(0)

   355

            self.RefreshNetworkNodes()

   356

            self.RefreshProfileMenu()

   357

   358

        self.RefreshBufferState()

   359

        self.RefreshTitle()

   360

        self.RefreshMainMenu()

   361

   362

    def SetBusId(self, bus_id):

   363

        self.BusId = bus_id

   364

   365

    def GetBusId(self):

   366

        return self.BusId

   367

   368

    def GetCurrentNodeId(self):

   369

        selected = self.NetworkNodes.GetSelection()

   370

        # At init selected = -1

   371

        if selected > 0:

   372

            window = self.NetworkNodes.GetPage(selected)

   373

            return window.GetIndex()

   374

        else:

   375

            return 0

   376

   377

    def OnCloseFrame(self, event):

   378

        if not self.ModeSolo:

   379

            self.Parent.CloseEditor(self.BusId)

   380

        event.Skip()

   381

   382

    def GetNoteBook(self):

   383

        return self.NetworkNodes

   384

   385

    def OnQuitMenu(self, event):

   386

        self.Close()

   387

        event.Skip()

   388

   389

    def OnAddSDOServerMenu(self, event):

   390

        self.Manager.AddSDOServerToCurrent()

   391

        self.RefreshBufferState()

   392

        self.RefreshCurrentIndexList()

   393

        event.Skip()

   394

   395

    def OnAddSDOClientMenu(self, event):

   396

        self.Manager.AddSDOClientToCurrent()

   397

        self.RefreshBufferState()

   398

        self.RefreshCurrentIndexList()

   399

        event.Skip()

   400

   401

    def OnAddPDOTransmitMenu(self, event):

   402

        self.Manager.AddPDOTransmitToCurrent()

   403

        self.RefreshBufferState()

   404

        self.RefreshCurrentIndexList()

   405

        event.Skip()

   406

   407

    def OnAddPDOReceiveMenu(self, event):

   408

        self.Manager.AddPDOReceiveToCurrent()

   409

        self.RefreshBufferState()

   410

        self.RefreshCurrentIndexList()

   411

        event.Skip()

   412

   413

    def OnAddMapVariableMenu(self, event):

   414

        self.AddMapVariable()

   415

        event.Skip()

   416

   417

    def OnAddUserTypeMenu(self, event):

   418

        self.AddUserType()

   419

        event.Skip()

   420

   421

    def OnNodeSelectedChanged(self, event):

   422

        selected = event.GetSelection()

   423

        # At init selected = -1

   424

        if selected > 0:

   425

            window = self.NetworkNodes.GetPage(selected)

   426

            self.NodeList.SetCurrentSelected(window.GetIndex())

   427

        self.RefreshMainMenu()

   428

        self.RefreshStatusBar()

   429

        event.Skip()

   430

   431

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

   432

#                         Load and Save Funtions

   433

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

   434

   435

    def OnNewProjectMenu(self, event):

   436

        if self.NodeList:

   437

            defaultpath = os.path.dirname(self.NodeList.GetRoot())

   438

        else:

   439

            defaultpath = os.getcwd()

   440

        dialog = wx.DirDialog(self , "Choose a project", defaultpath, wx.DD_NEW_DIR_BUTTON)

   441

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

   442

            projectpath = dialog.GetPath()

   443

            if os.path.isdir(projectpath) and len(os.listdir(projectpath)) == 0:

   444

                os.mkdir(os.path.join(projectpath, "eds"))

   445

                manager = NodeManager()

   446

                nodelist = NodeList(manager)

   447

                result = nodelist.LoadProject(projectpath)

   448

                if not result:

   449

                    self.Manager = manager

   450

                    self.NodeList = nodelist

   451

                    self.NodeList.SetCurrentSelected(0)

   452

   453

                    self.RefreshNetworkNodes()

   454

                    self.RefreshBufferState()

   455

                    self.RefreshTitle()

   456

                    self.RefreshProfileMenu()

   457

                    self.RefreshMainMenu()

   458

                else:

   459

                    message = wx.MessageDialog(self, result, "ERROR", wx.OK|wx.ICON_ERROR)

   460

                    message.ShowModal()

   461

                    message.Destroy()

   462

        event.Skip()

   463

   464

    def OnOpenProjectMenu(self, event):

   465

        if self.NodeList:

   466

            defaultpath = os.path.dirname(self.NodeList.GetRoot())

   467

        else:

   468

            defaultpath = os.getcwd()

   469

        dialog = wx.DirDialog(self , "Choose a project", defaultpath, 0)

   470

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

   471

            projectpath = dialog.GetPath()

   472

            if os.path.isdir(projectpath):

   473

                manager = NodeManager()

   474

                nodelist = NodeList(manager)

   475

                result = nodelist.LoadProject(projectpath)

   476

                if not result:

   477

                    self.Manager = manager

   478

                    self.NodeList = nodelist

   479

                    self.NodeList.SetCurrentSelected(0)

   480

   481

                    self.RefreshNetworkNodes()

   482

                    self.RefreshBufferState()

   483

                    self.RefreshTitle()

   484

                    self.RefreshProfileMenu()

   485

                    self.RefreshMainMenu()

   486

                else:

   487

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

   488

                    message.ShowModal()

   489

                    message.Destroy()

   490

        dialog.Destroy()

   491

        event.Skip()

   492

   493

    def OnSaveProjectMenu(self, event):

   494

        result = self.NodeList.SaveProject()

   495

        if result:

   496

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

   497

            message.ShowModal()

   498

            message.Destroy()

   499

        event.Skip()

   500

   501

    def OnCloseProjectMenu(self, event):

   502

        if self.NodeList:

   503

            if self.NodeList.HasChanged():

   504

                dialog = wx.MessageDialog(self, "There are changes, do you want to save?",  "Close Project", wx.YES_NO|wx.CANCEL|wx.ICON_QUESTION)

   505

                answer = dialog.ShowModal()

   506

                dialog.Destroy()

   507

                if answer == wx.ID_YES:

   508