diff -r 6431f26aa501 -r 3291024e00da dialogs/SFCDivergenceDialog.py
--- a/dialogs/SFCDivergenceDialog.py	Thu Feb 16 14:34:40 2017 +0500
+++ b/dialogs/SFCDivergenceDialog.py	Thu Feb 16 14:35:12 2017 +0500
@@ -1,25 +1,26 @@
+#!/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. 
+# This file is part of Beremiz, a Integrated Development Environment for
+# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
 #
-#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
+# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
 #
-#See COPYING file for copyrights details.
+# 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 program 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
+# 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.
+# This program 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
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import wx
 
@@ -39,12 +40,13 @@
 
 class SFCDivergenceDialog(BlockPreviewDialog):
     
-    def __init__(self, parent, controller, tagname):
+    def __init__(self, parent, controller, tagname, poss_div_types = None):
         """
         Constructor
         @param parent: Parent wx.Window of dialog for modal
         @param controller: Reference to project controller
         @param tagname: Tagname of project POU edited
+        @param poss_div_types: Types of divergence that will be available in the dialog window
         """
         BlockPreviewDialog.__init__(self, parent, controller, tagname, 
               size=wx.Size(500, 300), 
@@ -58,19 +60,28 @@
         self.LeftGridSizer.AddWindow(type_label, flag=wx.GROW)
         
         # Create radio buttons for selecting divergence type
+        divergence_buttons = [
+            (SELECTION_DIVERGENCE, _('Selection Divergence')),
+            (SELECTION_CONVERGENCE, _('Selection Convergence')),
+            (SIMULTANEOUS_DIVERGENCE, _('Simultaneous Divergence')),
+            (SIMULTANEOUS_CONVERGENCE, _('Simultaneous Convergence'))]
+        poss_div_btns = []
+        if poss_div_types is not None:
+             for val in poss_div_types:
+                 poss_div_btns.append(divergence_buttons[val])
+        else:
+            poss_div_btns = divergence_buttons
         self.TypeRadioButtons = {}
         first = True
-        for type, label in [
-                (SELECTION_DIVERGENCE, _('Selection Divergence')),
-                (SELECTION_CONVERGENCE, _('Selection Convergence')),
-                (SIMULTANEOUS_DIVERGENCE, _('Simultaneous Divergence')),
-                (SIMULTANEOUS_CONVERGENCE, _('Simultaneous Convergence'))]:
+        focusbtn = None
+        for type, label in poss_div_btns:
             radio_button = wx.RadioButton(self, label=label, 
                   style=(wx.RB_GROUP if first else 0))
             radio_button.SetValue(first)
             self.Bind(wx.EVT_RADIOBUTTON, self.OnTypeChanged, radio_button)
             self.LeftGridSizer.AddWindow(radio_button, flag=wx.GROW)
             self.TypeRadioButtons[type] = radio_button
+            if first: focusbtn = type
             first = False
 
         # Create label for number of divergence sequences
@@ -79,7 +90,7 @@
         self.LeftGridSizer.AddWindow(sequences_label, flag=wx.GROW)
         
         # Create spin control for defining number of divergence sequences
-        self.Sequences = wx.SpinCtrl(self, min=2, max=20)
+        self.Sequences = wx.SpinCtrl(self, min=2, max=20, initial=2)
         self.Bind(wx.EVT_SPINCTRL, self.OnSequencesChanged, self.Sequences)
         self.LeftGridSizer.AddWindow(self.Sequences, flag=wx.GROW)
         
@@ -93,7 +104,7 @@
         
         # Selection divergence radio button is default control having keyboard
         # focus
-        self.TypeRadioButtons[SELECTION_DIVERGENCE].SetFocus()
+        self.TypeRadioButtons[focusbtn].SetFocus()
     
     def GetMinElementSize(self):
         """
@@ -151,4 +162,4 @@
         
         # Call BlockPreviewDialog function
         BlockPreviewDialog.RefreshPreview(self)
-        
\ No newline at end of file
+