From: ouv <ouv@opencascade.com>
Date: Wed, 9 Dec 2009 10:02:02 +0000 (+0000)
Subject: First compilable version
X-Git-Tag: PHASE_17_Part1_V3~11
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=44a2277a1a9b53dd1ca7cec27fab991882212c00;p=modules%2Fsmesh.git

First compilable version
---

diff --git a/src/SMESHGUI/Makefile.am b/src/SMESHGUI/Makefile.am
index 1b278b946..a4edc0785 100644
--- a/src/SMESHGUI/Makefile.am
+++ b/src/SMESHGUI/Makefile.am
@@ -41,6 +41,7 @@ salomeinclude_HEADERS = \
 	SMESHGUI_PatternUtils.h \
 	SMESHGUI_GroupUtils.h \
 	SMESHGUI_PatternWidget.h \
+	SMESHGUI_Helper.h \
 	SMESHGUI_CreatePatternDlg.h \
 	SMESHGUI_MeshPatternDlg.h \
 	SMESHGUI_NodesDlg.h \
@@ -99,6 +100,7 @@ lib_LTLIBRARIES = libSMESH.la
 dist_libSMESH_la_SOURCES = \
 	SMESHGUI.cxx \
 	SMESHGUI_PatternWidget.cxx \
+	SMESHGUI_Helper.cxx \
 	SMESHGUI_CreatePatternDlg.cxx \
 	SMESHGUI_MeshPatternDlg.cxx \
 	SMESHGUI_SpinBox.cxx \
diff --git a/src/SMESHGUI/SMESHGUI_BuildCompoundDlg.cxx b/src/SMESHGUI/SMESHGUI_BuildCompoundDlg.cxx
index 1e58867d0..3e819cd53 100644
--- a/src/SMESHGUI/SMESHGUI_BuildCompoundDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_BuildCompoundDlg.cxx
@@ -72,6 +72,7 @@
 //=================================================================================
 SMESHGUI_BuildCompoundDlg::SMESHGUI_BuildCompoundDlg( SMESHGUI* theModule )
   : QDialog(SMESH::GetDesktop(theModule)),
+    SMESHGUI_Helper(theModule),
     mySMESHGUI(theModule),
     mySelectionMgr(SMESH::GetSelectionMgr(theModule))
 {
@@ -513,17 +514,7 @@ void SMESHGUI_BuildCompoundDlg::onSelectMerge(bool toMerge)
 //=================================================================================
 bool SMESHGUI_BuildCompoundDlg::isValid()
 {
-  QString msg;
-  bool ok=true;
-  if(CheckBoxMerge->isChecked())
-    ok = SpinBoxTol->isValid( msg, true );
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
+  if( CheckBoxMerge->isChecked() )
+    return checkParameters( true, 1, SpinBoxTol );
   return true;
 }
diff --git a/src/SMESHGUI/SMESHGUI_BuildCompoundDlg.h b/src/SMESHGUI/SMESHGUI_BuildCompoundDlg.h
index c1085739d..9629b1b00 100644
--- a/src/SMESHGUI/SMESHGUI_BuildCompoundDlg.h
+++ b/src/SMESHGUI/SMESHGUI_BuildCompoundDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -53,7 +54,7 @@ class SUIT_SelectionFilter;
 // class    : SMESHGUI_BuildCompoundDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_BuildCompoundDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_BuildCompoundDlg : public QDialog, public SMESHGUI_Helper
 {
   Q_OBJECT;
 
diff --git a/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.cxx b/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.cxx
index 2131b25e6..cb5656231 100644
--- a/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.cxx
@@ -109,6 +109,7 @@ private:
 //=================================================================================
 SMESHGUI_ExtrusionAlongPathDlg::SMESHGUI_ExtrusionAlongPathDlg( SMESHGUI* theModule )
   : QDialog( SMESH::GetDesktop( theModule ) ),
+    SMESHGUI_Helper( theModule ),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
     myFilterDlg( 0 )
@@ -1132,14 +1133,9 @@ int SMESHGUI_ExtrusionAlongPathDlg::GetConstructorId()
 //=======================================================================
 void SMESHGUI_ExtrusionAlongPathDlg::OnAngleAdded()
 {
-  QString msg;
-  if( !AngleSpin->isValid( msg, true ) ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
+  if( !checkParameters( true, 1, AngleSpin ) )
     return;
-  }
+
   AnglesList->addItem(AngleSpin->text());
   myAnglesList.append(AngleSpin->GetValue());
 
@@ -1242,20 +1238,7 @@ void SMESHGUI_ExtrusionAlongPathDlg::setFilters()
 //=================================================================================
 bool SMESHGUI_ExtrusionAlongPathDlg::isValid()
 {
-  QString msg;
-  bool ok = true;
-  ok = XSpin->isValid( msg, true ) && ok;
-  ok = YSpin->isValid( msg, true ) && ok;
-  ok = ZSpin->isValid( msg, true ) && ok;
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
-  return true;
+  return checkParameters( true, 3, XSpin, YSpin, ZSpin );
 }
 
 //=================================================================================
diff --git a/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.h b/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.h
index e93985ae1..b132cb8db 100644
--- a/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.h
+++ b/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -59,7 +60,7 @@ class SUIT_SelectionFilter;
 // class    : SMESHGUI_ExtrusionAlongPathDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_ExtrusionAlongPathDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_ExtrusionAlongPathDlg : public QDialog, public SMESHGUI_Helper
 {
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx b/src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx
index 7c32fc1e2..31e76131e 100644
--- a/src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx
@@ -88,6 +88,7 @@
 //=================================================================================
 SMESHGUI_ExtrusionDlg::SMESHGUI_ExtrusionDlg (SMESHGUI* theModule)
   : QDialog( SMESH::GetDesktop( theModule ) ),
+    SMESHGUI_Helper( theModule ),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
     myFilterDlg( 0 ),
@@ -1009,26 +1010,11 @@ void SMESHGUI_ExtrusionDlg::setFilters()
 //=================================================================================
 bool SMESHGUI_ExtrusionDlg::isValid()
 {
-  QString msg;
-  bool ok = true;
-  if ( RadioButton3->isChecked() ) {
-    ok = SpinBox_Dx->isValid( msg, true ) && ok;
-    ok = SpinBox_Dy->isValid( msg, true ) && ok;
-    ok = SpinBox_Dz->isValid( msg, true ) && ok;
-  } else if ( RadioButton4->isChecked() ) {
-    ok = SpinBox_Vx->isValid( msg, true ) && ok;
-    ok = SpinBox_Vy->isValid( msg, true ) && ok;
-    ok = SpinBox_Vz->isValid( msg, true ) && ok;
-    ok = SpinBox_VDist->isValid( msg, true ) && ok;
-  }
-  ok = SpinBox_NbSteps->isValid( msg, true ) && ok;
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
-  return true;
+  QList<QAbstractSpinBox*> aSpinBoxList;
+  if ( RadioButton3->isChecked() )
+    aSpinBoxList << SpinBox_Dx << SpinBox_Dy << SpinBox_Dz;
+  else if ( RadioButton4->isChecked() )
+    aSpinBoxList << SpinBox_Vx << SpinBox_Vy << SpinBox_Vz;
+  aSpinBoxList << SpinBox_NbSteps;
+  return checkParameters( true, aSpinBoxList );
 }
diff --git a/src/SMESHGUI/SMESHGUI_ExtrusionDlg.h b/src/SMESHGUI/SMESHGUI_ExtrusionDlg.h
index 4425d29f7..c9ce09248 100644
--- a/src/SMESHGUI/SMESHGUI_ExtrusionDlg.h
+++ b/src/SMESHGUI/SMESHGUI_ExtrusionDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // SALOME GUI includes
 #include <SALOME_InteractiveObject.hxx>
@@ -61,7 +62,7 @@ class SalomeApp_IntSpinBox;
 // class    : SMESHGUI_ExtrusionDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_ExtrusionDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_ExtrusionDlg : public QDialog, public SMESHGUI_Helper
 {
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_Helper.cxx b/src/SMESHGUI/SMESHGUI_Helper.cxx
new file mode 100644
index 000000000..493ca2337
--- /dev/null
+++ b/src/SMESHGUI/SMESHGUI_Helper.cxx
@@ -0,0 +1,137 @@
+//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2.1 of the License.
+//
+//  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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser 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
+//
+//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// SMESH SMESHGUI : GUI for SMESH component
+// File   : SMESHGUI_Helper.cxx
+// Author : Oleg UVAROV
+// SMESH includes
+//
+#include "SMESHGUI_Helper.h"
+#include "SMESHGUI.h"
+
+// SALOME GUI includes
+#include <SUIT_Desktop.h>
+#include <SUIT_MessageBox.h>
+#include <SUIT_Session.h>
+
+#include <SalomeApp_Application.h>
+#include <SalomeApp_DoubleSpinBox.h>
+#include <SalomeApp_IntSpinBox.h>
+#include <SalomeApp_Notebook.h>
+
+// IDL includes
+//#include <SALOMEconfig.h>
+//#include CORBA_SERVER_HEADER(SMESH_Mesh)
+//#include CORBA_SERVER_HEADER(SMESH_MeshEditor)
+
+//=================================================================================
+// name    : SMESHGUI_Helper::SMESHGUI_Helper
+// Purpose :
+//=================================================================================
+SMESHGUI_Helper::SMESHGUI_Helper( SMESHGUI* theModule ) :
+  mySMESHGUI( theModule ),
+  myNotebook( 0 )
+{
+}
+
+//=======================================================================
+// name    : SMESHGUI_Helper::~SMESHGUI_Helper
+// Purpose :
+//=======================================================================
+SMESHGUI_Helper::~SMESHGUI_Helper()
+{
+  if( myNotebook )
+  {
+    delete myNotebook;
+    myNotebook = 0;
+  }
+}
+
+//================================================================
+// Function : checkParameters
+// Purpose  :
+//================================================================
+bool SMESHGUI_Helper::checkParameters( bool theMess, int theCount, QAbstractSpinBox* theFirstSpinBox, ... )
+{
+  va_list aSpins;
+  va_start( aSpins, theFirstSpinBox );
+
+  int aCounter = 0;
+  QList<QAbstractSpinBox*> aSpinBoxList;
+  QAbstractSpinBox* aSpinBox = theFirstSpinBox;
+  while( aSpinBox && aCounter < theCount )
+  {
+    aSpinBoxList.append( aSpinBox );
+    aSpinBox = va_arg( aSpins, QAbstractSpinBox* );
+    aCounter++;
+  }
+  return checkParameters( theMess, aSpinBoxList );
+}
+
+//================================================================
+// Function : checkParameters
+// Purpose  :
+//================================================================
+bool SMESHGUI_Helper::checkParameters( bool theMess, const QList<QAbstractSpinBox*>& theSpinBoxList )
+{
+  SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
+  if ( !app )
+    return false;
+
+  QString msg;
+  QStringList absentParams;
+
+  bool ok = true;
+  QListIterator<QAbstractSpinBox*> anIter( theSpinBoxList );
+  while( anIter.hasNext() )
+  {
+    QAbstractSpinBox* aSpinBox = anIter.next();
+    if( SalomeApp_DoubleSpinBox* aDoubleSpinBox = dynamic_cast<SalomeApp_DoubleSpinBox*>( aSpinBox ) )
+      ok = aDoubleSpinBox->isValid( msg, absentParams, theMess ) && ok;
+    else if( SalomeApp_IntSpinBox* anIntSpinBox = dynamic_cast<SalomeApp_IntSpinBox*>( aSpinBox ) )
+      ok = anIntSpinBox->isValid( msg, absentParams, theMess ) && ok;
+  }
+
+  if( !ok && theMess )
+  {
+    if( !absentParams.isEmpty() )
+      app->defineAbsentParameters( absentParams );
+    else
+    {
+      QString str( QObject::tr( "SMESH_INCORRECT_INPUT" ) );
+      if( !msg.isEmpty() )
+        str += "\n" + msg;
+      SUIT_MessageBox::critical( mySMESHGUI->desktop(), QObject::tr( "SMESH_ERROR" ), str );
+    }
+  }
+  return ok;
+}
+
+//================================================================
+// Function : getNotebook
+// Purpose  :
+//================================================================
+SalomeApp_Notebook* SMESHGUI_Helper::getNotebook()
+{
+  if ( !myNotebook )
+    myNotebook = new SalomeApp_Notebook( mySMESHGUI->activeStudy() );
+  return myNotebook;
+}
diff --git a/src/SMESHGUI/SMESHGUI_Helper.h b/src/SMESHGUI/SMESHGUI_Helper.h
new file mode 100644
index 000000000..b94ef8239
--- /dev/null
+++ b/src/SMESHGUI/SMESHGUI_Helper.h
@@ -0,0 +1,62 @@
+//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2.1 of the License.
+//
+//  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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser 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
+//
+//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// SMESH SMESHGUI : GUI for SMESH component
+// File   : SMESHGUI_Helper.h
+// Author : Oleg UVAROV
+//
+#ifndef SMESHGUI_HELPER_H
+#define SMESHGUI_HELPER_H
+
+// SMESH includes
+#include "SMESH_SMESHGUI.hxx"
+
+// Qt includes
+#include <QList>
+
+class SMESHGUI;
+class SalomeApp_Notebook;
+class QAbstractSpinBox;
+
+//=================================================================================
+// class    : SMESHGUI_Helper
+// purpose  : Helper class for dialog box development, can be used as the second
+//            base class for dialog box (or for corresponding operation, if exists).
+//            Contains methods performing operations with SALOME Notebook parameters.
+//=================================================================================
+class SMESHGUI_EXPORT SMESHGUI_Helper
+{ 
+public:
+  SMESHGUI_Helper( SMESHGUI* );
+  virtual ~SMESHGUI_Helper();
+
+protected:
+  bool                checkParameters( bool, int, QAbstractSpinBox*, ... );
+  bool                checkParameters( bool, const QList<QAbstractSpinBox*>& );
+
+  SalomeApp_Notebook* getNotebook();
+
+private:
+  SMESHGUI*           mySMESHGUI;
+  SalomeApp_Notebook* myNotebook;
+};
+
+#endif // SMESHGUI_HELPER_H
diff --git a/src/SMESHGUI/SMESHGUI_Hypotheses.cxx b/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
index b0ced7bb6..793cc1751 100644
--- a/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
+++ b/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
@@ -40,6 +40,7 @@
 #include <SUIT_MessageBox.h>
 #include <SUIT_ResourceMgr.h>
 #include <LightApp_Application.h>
+#include <SalomeApp_Application.h>
 #include <SalomeApp_IntSpinBox.h>
 
 // Qt includes
@@ -192,6 +193,7 @@ QFrame* SMESHGUI_GenericHypothesisCreator::buildStdFrame()
         break;
       case QVariant::String:
         {
+          /* ouv: temporarily disabled
           if((*anIt).isVariable) {
             _PTR(Study) aStudy = SMESH::GetActiveStudyDocument();
             QString aVar = (*anIt).myValue.toString();
@@ -213,13 +215,14 @@ QFrame* SMESHGUI_GenericHypothesisCreator::buildStdFrame()
             }
           }
           else {
+          */
             QLineEdit* le = new QLineEdit( GroupC1 );
             le->setObjectName( (*anIt).myName );
             attuneStdWidget( le, i );
             le->setText( (*anIt).myValue.toString() );
             connect( le, SIGNAL( textChanged( const QString& ) ), this, SLOT( onValueChanged() ) );
             w = le;
-          }
+          //}
         }
         break;
       }
@@ -476,7 +479,7 @@ bool SMESHGUI_GenericHypothesisCreator::getParamFromCustomWidget( StdParam&, QWi
   return false;
 }
 
-bool SMESHGUI_GenericHypothesisCreator::checkParams( QString& msg ) const
+bool SMESHGUI_GenericHypothesisCreator::checkParams( QString& msg, QStringList& absentParams ) const
 {
   bool ok = true;
   ListOfWidgets::const_iterator anIt = widgets().begin(), aLast = widgets().end();
@@ -485,12 +488,12 @@ bool SMESHGUI_GenericHypothesisCreator::checkParams( QString& msg ) const
     if( (*anIt)->inherits( "SalomeApp_IntSpinBox" ) )
     {
       SalomeApp_IntSpinBox* sb = ( SalomeApp_IntSpinBox* )( *anIt );
-      ok = sb->isValid( msg, true ) && ok;
+      ok = sb->isValid( msg, absentParams, true ) && ok;
     }
     else if( (*anIt)->inherits( "SalomeApp_DoubleSpinBox" ) )
     {
       SalomeApp_DoubleSpinBox* sb = ( SalomeApp_DoubleSpinBox* )( *anIt );
-      ok = sb->isValid( msg, true ) && ok;
+      ok = sb->isValid( msg, absentParams, true ) && ok;
     }
   }
   return ok;
@@ -599,8 +602,17 @@ void SMESHGUI_HypothesisDlg::setCustomFrame( QFrame* f )
 void SMESHGUI_HypothesisDlg::accept()
 {
   QString msg;
-  if ( myCreator && !myCreator->checkParams( msg ) )
+  QStringList absentParams;
+  if ( myCreator && !myCreator->checkParams( msg, absentParams ) )
   {
+    if( !absentParams.isEmpty() )
+    {
+      SalomeApp_Application* app =
+        dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
+      if( app )
+        app->defineAbsentParameters( absentParams );
+      return;
+    }
     QString str( tr( "SMESH_INCORRECT_INPUT" ) );
     if ( !msg.isEmpty() )
       str += "\n" + msg;
diff --git a/src/SMESHGUI/SMESHGUI_Hypotheses.h b/src/SMESHGUI/SMESHGUI_Hypotheses.h
index 0891def1b..70da0b4d3 100644
--- a/src/SMESHGUI/SMESHGUI_Hypotheses.h
+++ b/src/SMESHGUI/SMESHGUI_Hypotheses.h
@@ -57,7 +57,7 @@ public:
   void                         edit( SMESH::SMESH_Hypothesis_ptr, const QString&, QWidget*, QObject*, const QString& );
   void                         setInitParamsHypothesis(SMESH::SMESH_Hypothesis_ptr);
 
-  virtual bool                 checkParams( QString& ) const;
+  virtual bool                 checkParams( QString&, QStringList& ) const;
   virtual void                 onReject();
   virtual QString              helpPage() const;
 
diff --git a/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.cxx b/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.cxx
index ae769c301..e7de2f041 100644
--- a/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.cxx
@@ -267,6 +267,7 @@ void SMESHGUI_MakeNodeAtPointDlg::ButtonToggled (bool on)
 //================================================================================
 
 SMESHGUI_MakeNodeAtPointOp::SMESHGUI_MakeNodeAtPointOp()
+  : SMESHGUI_Helper( getSMESHGUI() )
 {
   mySimulation = 0;
   myDlg = new SMESHGUI_MakeNodeAtPointDlg;
@@ -375,8 +376,7 @@ bool SMESHGUI_MakeNodeAtPointOp::onApply()
   QString msg;
   if ( !isValid( msg ) ) { // node id is invalid
     if( !msg.isEmpty() )
-      SUIT_MessageBox::warning( dlg(), tr( "SMESH_WRN_WARNING" ),
-                                tr("INVALID_ID") );
+      SUIT_MessageBox::warning( dlg(), tr( "SMESH_WRN_WARNING" ), msg );
     dlg()->show();
     return false;
   }
@@ -442,6 +442,9 @@ bool SMESHGUI_MakeNodeAtPointOp::onApply()
 
 bool SMESHGUI_MakeNodeAtPointOp::isValid( QString& msg )
 {
+  if( !checkParameters( !myNoPreview, 3, myDlg->myX, myDlg->myY, myDlg->myZ ) )
+    return false;
+
   bool ok = true;
   if ( myMeshActor &&
        myDlg->myMoveRBtn->isChecked() &&
@@ -455,11 +458,6 @@ bool SMESHGUI_MakeNodeAtPointOp::isValid( QString& msg )
     if( !ok )
       msg += tr("INVALID_ID") + "\n";
   }
-
-  ok = myDlg->myX->isValid( msg, !myNoPreview ) && ok;
-  ok = myDlg->myY->isValid( msg, !myNoPreview ) && ok;
-  ok = myDlg->myZ->isValid( msg, !myNoPreview ) && ok;
-
   return ok;
 }
 
diff --git a/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.h b/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.h
index 6df8ba722..b32d550e8 100644
--- a/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.h
+++ b/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.h
@@ -27,6 +27,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 #include "SMESHGUI_Dialog.h"
 #include "SMESHGUI_SelectionOp.h"
@@ -43,7 +44,7 @@ class SMESHGUI_MakeNodeAtPointDlg;
 /*!
  * \brief Operation to make a mesh pass through a point
  */
-class SMESHGUI_EXPORT SMESHGUI_MakeNodeAtPointOp: public SMESHGUI_SelectionOp
+class SMESHGUI_EXPORT SMESHGUI_MakeNodeAtPointOp: public SMESHGUI_SelectionOp, public SMESHGUI_Helper
 {
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_MeshPatternDlg.cxx b/src/SMESHGUI/SMESHGUI_MeshPatternDlg.cxx
index d80523066..b7c9bcca4 100755
--- a/src/SMESHGUI/SMESHGUI_MeshPatternDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MeshPatternDlg.cxx
@@ -106,6 +106,7 @@
 //=======================================================================
 SMESHGUI_MeshPatternDlg::SMESHGUI_MeshPatternDlg( SMESHGUI* theModule )
   : QDialog( SMESH::GetDesktop( theModule ) ),
+    SMESHGUI_Helper( theModule ),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
     myBusy( false ),
@@ -413,20 +414,12 @@ bool SMESHGUI_MeshPatternDlg::isValid (const bool theMess)
 {
   if (isRefine())
   {
-    QString msg;
-    bool ok = true;
-    ok = myNode1->isValid( msg, theMess ) && ok;
-    if (myType == Type_3d)
-      ok = myNode2->isValid( msg, theMess ) && ok;
-    if( !ok ) {
-      if( theMess ) {
-        QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-        if ( !msg.isEmpty() )
-          str += "\n" + msg;
-        SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-      }
+    QList<QAbstractSpinBox*> aSpinBoxList;
+    aSpinBoxList << myNode1;
+    if( myType == Type_3d )
+      aSpinBoxList << myNode2;
+    if( !checkParameters( theMess, aSpinBoxList ) )
       return false;
-    }
   }
 
   QList<int> ids;
diff --git a/src/SMESHGUI/SMESHGUI_MeshPatternDlg.h b/src/SMESHGUI/SMESHGUI_MeshPatternDlg.h
index e3e2d6870..4ca20af42 100755
--- a/src/SMESHGUI/SMESHGUI_MeshPatternDlg.h
+++ b/src/SMESHGUI/SMESHGUI_MeshPatternDlg.h
@@ -27,6 +27,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -58,7 +59,7 @@ class SMESHGUI_PatternWidget;
   Description : Dialog to specify filters for VTK viewer
 */
 
-class SMESHGUI_EXPORT SMESHGUI_MeshPatternDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_MeshPatternDlg : public QDialog, public SMESHGUI_Helper
 {
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_MoveNodesDlg.cxx b/src/SMESHGUI/SMESHGUI_MoveNodesDlg.cxx
index 6243255af..abeffde07 100644
--- a/src/SMESHGUI/SMESHGUI_MoveNodesDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MoveNodesDlg.cxx
@@ -86,6 +86,7 @@
 //=================================================================================
 SMESHGUI_MoveNodesDlg::SMESHGUI_MoveNodesDlg(SMESHGUI* theModule):
   QDialog(SMESH::GetDesktop(theModule)),
+  SMESHGUI_Helper(theModule),
   mySelectionMgr(SMESH::GetSelectionMgr(theModule)),
   mySMESHGUI(theModule)
 {
@@ -281,23 +282,7 @@ bool SMESHGUI_MoveNodesDlg::isValid (const bool theMess)
                                    tr("NODE_ID_IS_NOT_DEFINED"));
     return false;
   }
-
-  QString msg;
-  bool ok = true;
-  ok = myX->isValid( msg, theMess ) && ok;
-  ok = myY->isValid( msg, theMess ) && ok;
-  ok = myZ->isValid( msg, theMess ) && ok;
-  if( !ok ) {
-    if( theMess ) {
-      QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-      if ( !msg.isEmpty() )
-        str += "\n" + msg;
-      SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    }
-    return false;
-  }
-
-  return true;
+  return checkParameters( theMess, 3, myX, myY, myZ );
 }
 
 //=======================================================================
diff --git a/src/SMESHGUI/SMESHGUI_MoveNodesDlg.h b/src/SMESHGUI/SMESHGUI_MoveNodesDlg.h
index cfd43786f..f3cf3777e 100644
--- a/src/SMESHGUI/SMESHGUI_MoveNodesDlg.h
+++ b/src/SMESHGUI/SMESHGUI_MoveNodesDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -46,7 +47,7 @@ class LightApp_SelectionMgr;
 // class    : SMESHGUI_MoveNodesDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_MoveNodesDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_MoveNodesDlg : public QDialog, public SMESHGUI_Helper
 { 
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx b/src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx
index 907f8a65b..4879a2026 100755
--- a/src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx
@@ -103,6 +103,7 @@ SMESHGUI_MultiEditDlg
                         const int theMode,
                         const bool the3d2d):
   QDialog(SMESH::GetDesktop(theModule)),
+  SMESHGUI_Helper(theModule),
   mySelector(SMESH::GetViewWindow(theModule)->GetSelector()),
   mySelectionMgr(SMESH::GetSelectionMgr(theModule)),
   mySMESHGUI(theModule)
@@ -1173,20 +1174,7 @@ bool SMESHGUI_UnionOfTrianglesDlg::isValid (const bool theMess)
   bool ok = SMESHGUI_MultiEditDlg::isValid( theMess );
   if( !ok )
     return false;
-
-  QString msg;
-  ok = myMaxAngleSpin->isValid( msg, theMess );
-  if( !ok ) {
-    if( theMess ) {
-      QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-      if ( !msg.isEmpty() )
-        str += "\n" + msg;
-      SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    }
-    return false;
-  }
-
-  return ok;
+  return checkParameters( theMess, 1, myMaxAngleSpin );
 }
 
 bool SMESHGUI_UnionOfTrianglesDlg::process (SMESH::SMESH_MeshEditor_ptr theEditor,
diff --git a/src/SMESHGUI/SMESHGUI_MultiEditDlg.h b/src/SMESHGUI/SMESHGUI_MultiEditDlg.h
index f14996814..1f98f85cd 100755
--- a/src/SMESHGUI/SMESHGUI_MultiEditDlg.h
+++ b/src/SMESHGUI/SMESHGUI_MultiEditDlg.h
@@ -27,6 +27,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes 
 #include <QDialog>
@@ -63,7 +64,7 @@ class QButtonGroup;
  *               union of two neighboring triangles
  */
 
-class SMESHGUI_EXPORT SMESHGUI_MultiEditDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_MultiEditDlg : public QDialog, public SMESHGUI_Helper
 {
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_NodesDlg.cxx b/src/SMESHGUI/SMESHGUI_NodesDlg.cxx
index 76b75dbb9..04f5d717c 100644
--- a/src/SMESHGUI/SMESHGUI_NodesDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_NodesDlg.cxx
@@ -223,6 +223,7 @@ namespace SMESH
 //=================================================================================
 SMESHGUI_NodesDlg::SMESHGUI_NodesDlg( SMESHGUI* theModule ): 
   QDialog( SMESH::GetDesktop( theModule ) ),
+  SMESHGUI_Helper( theModule ),
   mySelector( SMESH::GetViewWindow( theModule )->GetSelector() ),
   mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
   mySMESHGUI( theModule )
@@ -610,18 +611,5 @@ void SMESHGUI_NodesDlg::keyPressEvent( QKeyEvent* e )
 //=================================================================================
 bool SMESHGUI_NodesDlg::isValid()
 {
-  QString msg;
-  bool ok = true;
-  ok = SpinBox_X->isValid( msg, true ) && ok;
-  ok = SpinBox_Y->isValid( msg, true ) && ok;
-  ok = SpinBox_Z->isValid( msg, true ) && ok;
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
-  return true;
+  return checkParameters( true, 3, SpinBox_X, SpinBox_Y, SpinBox_Z );
 }
diff --git a/src/SMESHGUI/SMESHGUI_NodesDlg.h b/src/SMESHGUI/SMESHGUI_NodesDlg.h
index 8fc28eacc..1cc52b758 100644
--- a/src/SMESHGUI/SMESHGUI_NodesDlg.h
+++ b/src/SMESHGUI/SMESHGUI_NodesDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -55,7 +56,7 @@ namespace SMESH
 // class    : SMESHGUI_NodesDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_NodesDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_NodesDlg : public QDialog, public SMESHGUI_Helper
 { 
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_RevolutionDlg.cxx b/src/SMESHGUI/SMESHGUI_RevolutionDlg.cxx
index 484989dfd..811ed0748 100644
--- a/src/SMESHGUI/SMESHGUI_RevolutionDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_RevolutionDlg.cxx
@@ -89,6 +89,7 @@
 //=================================================================================
 SMESHGUI_RevolutionDlg::SMESHGUI_RevolutionDlg( SMESHGUI* theModule )
   : QDialog( SMESH::GetDesktop( theModule ) ),
+    SMESHGUI_Helper( theModule ),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
     myVectorDefinition(NONE_SELECT),
@@ -1181,24 +1182,8 @@ void SMESHGUI_RevolutionDlg::setFilters()
 //=================================================================================
 bool SMESHGUI_RevolutionDlg::isValid()
 {
-  QString msg;
-  bool ok = true;
-  ok = SpinBox_X->isValid( msg, true ) && ok;
-  ok = SpinBox_Y->isValid( msg, true ) && ok;
-  ok = SpinBox_Z->isValid( msg, true ) && ok;
-  ok = SpinBox_DX->isValid( msg, true ) && ok;
-  ok = SpinBox_DY->isValid( msg, true ) && ok;
-  ok = SpinBox_DZ->isValid( msg, true ) && ok;
-  ok = SpinBox_Angle->isValid( msg, true ) && ok;
-  ok = SpinBox_NbSteps->isValid( msg, true ) && ok;
-  ok = SpinBox_Tolerance->isValid( msg, true ) && ok;
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
-  return true;
+  return checkParameters( true, 9,
+                          SpinBox_X, SpinBox_Y, SpinBox_Z,
+                          SpinBox_DX, SpinBox_DY, SpinBox_DZ,
+                          SpinBox_Angle, SpinBox_NbSteps, SpinBox_Tolerance );
 }
diff --git a/src/SMESHGUI/SMESHGUI_RevolutionDlg.h b/src/SMESHGUI/SMESHGUI_RevolutionDlg.h
index 4d0c51693..918f4c31a 100644
--- a/src/SMESHGUI/SMESHGUI_RevolutionDlg.h
+++ b/src/SMESHGUI/SMESHGUI_RevolutionDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // SALOME GUI includes
 #include <SALOME_InteractiveObject.hxx>
@@ -65,7 +66,7 @@ class QAction;
 // class    : SMESHGUI_RevolutionDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_RevolutionDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_RevolutionDlg : public QDialog, public SMESHGUI_Helper
 { 
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_RotationDlg.cxx b/src/SMESHGUI/SMESHGUI_RotationDlg.cxx
index d9352dbc8..731a84208 100644
--- a/src/SMESHGUI/SMESHGUI_RotationDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_RotationDlg.cxx
@@ -89,6 +89,7 @@ enum { MOVE_ELEMS_BUTTON = 0, COPY_ELEMS_BUTTON, MAKE_MESH_BUTTON }; //!< action
 //=================================================================================
 SMESHGUI_RotationDlg::SMESHGUI_RotationDlg( SMESHGUI* theModule )
   : QDialog( SMESH::GetDesktop( theModule ) ),
+    SMESHGUI_Helper( theModule ),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
     myFilterDlg(0),
@@ -997,23 +998,8 @@ void SMESHGUI_RotationDlg::setFilters()
 //=================================================================================
 bool SMESHGUI_RotationDlg::isValid()
 {
-  bool ok = true;
-  QString msg;
-
-  ok = SpinBox_X->isValid( msg, true ) && ok;
-  ok = SpinBox_Y->isValid( msg, true ) && ok;
-  ok = SpinBox_Z->isValid( msg, true ) && ok;
-  ok = SpinBox_DX->isValid( msg, true ) && ok;
-  ok = SpinBox_DY->isValid( msg, true ) && ok;
-  ok = SpinBox_DZ->isValid( msg, true ) && ok;
-  ok = SpinBox_Angle->isValid( msg, true ) && ok;
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
-  return true;
+  return checkParameters( true, 7,
+                          SpinBox_X, SpinBox_Y, SpinBox_Z,
+                          SpinBox_DX, SpinBox_DY, SpinBox_DZ,
+                          SpinBox_Angle );
 }
diff --git a/src/SMESHGUI/SMESHGUI_RotationDlg.h b/src/SMESHGUI/SMESHGUI_RotationDlg.h
index bb743746f..19153b254 100644
--- a/src/SMESHGUI/SMESHGUI_RotationDlg.h
+++ b/src/SMESHGUI/SMESHGUI_RotationDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -56,7 +57,7 @@ class SMESH_LogicalFilter;
 // class    : SMESHGUI_RotationDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_RotationDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_RotationDlg : public QDialog, public SMESHGUI_Helper
 { 
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_SmoothingDlg.cxx b/src/SMESHGUI/SMESHGUI_SmoothingDlg.cxx
index 1cab8d3f4..b5f14b00c 100644
--- a/src/SMESHGUI/SMESHGUI_SmoothingDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_SmoothingDlg.cxx
@@ -90,6 +90,7 @@
 //=================================================================================
 SMESHGUI_SmoothingDlg::SMESHGUI_SmoothingDlg( SMESHGUI* theModule )
   : QDialog( SMESH::GetDesktop( theModule ) ),
+    SMESHGUI_Helper( theModule ),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
     myFilterDlg(0),
@@ -826,17 +827,5 @@ void SMESHGUI_SmoothingDlg::setNodeFilters()
 //=================================================================================
 bool SMESHGUI_SmoothingDlg::isValid()
 {
-  QString msg;
-  bool ok = true;
-  ok = SpinBox_IterationLimit->isValid( msg, true ) && ok;
-  ok = SpinBox_AspectRatio->isValid( msg, true ) && ok;
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
-  return true;
+  return checkParameters( true, 2, SpinBox_IterationLimit, SpinBox_AspectRatio );
 }
diff --git a/src/SMESHGUI/SMESHGUI_SmoothingDlg.h b/src/SMESHGUI/SMESHGUI_SmoothingDlg.h
index 6def01cae..08bfd7842 100644
--- a/src/SMESHGUI/SMESHGUI_SmoothingDlg.h
+++ b/src/SMESHGUI/SMESHGUI_SmoothingDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -57,7 +58,7 @@ class SMESH_LogicalFilter;
 // class    : SMESHGUI_SmoothingDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_SmoothingDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_SmoothingDlg : public QDialog, public SMESHGUI_Helper
 { 
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_SymmetryDlg.cxx b/src/SMESHGUI/SMESHGUI_SymmetryDlg.cxx
index 5da44a6ae..6d73d7d02 100644
--- a/src/SMESHGUI/SMESHGUI_SymmetryDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_SymmetryDlg.cxx
@@ -90,6 +90,7 @@ enum { MOVE_ELEMS_BUTTON = 0, COPY_ELEMS_BUTTON, MAKE_MESH_BUTTON }; //!< action
 
 SMESHGUI_SymmetryDlg::SMESHGUI_SymmetryDlg( SMESHGUI* theModule )
   : QDialog( SMESH::GetDesktop( theModule ) ),
+    SMESHGUI_Helper( theModule ),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
     myFilterDlg(0),
@@ -1096,24 +1097,9 @@ void SMESHGUI_SymmetryDlg::setFilters()
 //=================================================================================
 bool SMESHGUI_SymmetryDlg::isValid()
 {
-  bool ok = true;
-  QString msg;
-
-  ok = SpinBox_X->isValid( msg, true ) && ok;
-  ok = SpinBox_Y->isValid( msg, true ) && ok;
-  ok = SpinBox_Z->isValid( msg, true ) && ok;
-  if (GetConstructorId() != 0) {
-    ok = SpinBox_DX->isValid( msg, true ) && ok;
-    ok = SpinBox_DY->isValid( msg, true ) && ok;
-    ok = SpinBox_DZ->isValid( msg, true ) && ok;
-  }
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
-  return true;
+  QList<QAbstractSpinBox*> aSpinBoxList;
+  aSpinBoxList << SpinBox_X << SpinBox_Y << SpinBox_Z;
+  if( GetConstructorId() != 0 )
+    aSpinBoxList << SpinBox_DX << SpinBox_DY << SpinBox_DZ;
+  return checkParameters( true, aSpinBoxList );
 }
diff --git a/src/SMESHGUI/SMESHGUI_SymmetryDlg.h b/src/SMESHGUI/SMESHGUI_SymmetryDlg.h
index 1d763eb2e..0e6ea24f1 100644
--- a/src/SMESHGUI/SMESHGUI_SymmetryDlg.h
+++ b/src/SMESHGUI/SMESHGUI_SymmetryDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -56,7 +57,7 @@ class SMESH_LogicalFilter;
 // class    : SMESHGUI_SymmetryDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_SymmetryDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_SymmetryDlg : public QDialog, public SMESHGUI_Helper
 { 
   Q_OBJECT
 
diff --git a/src/SMESHGUI/SMESHGUI_TranslationDlg.cxx b/src/SMESHGUI/SMESHGUI_TranslationDlg.cxx
index 97d5ca582..993fab16f 100644
--- a/src/SMESHGUI/SMESHGUI_TranslationDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_TranslationDlg.cxx
@@ -107,6 +107,7 @@ private:
 //=================================================================================
 SMESHGUI_TranslationDlg::SMESHGUI_TranslationDlg( SMESHGUI* theModule )
   : QDialog( SMESH::GetDesktop( theModule ) ),
+    SMESHGUI_Helper( theModule ),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
     myFilterDlg(0),
@@ -1044,24 +1045,9 @@ void SMESHGUI_TranslationDlg::setFilters()
 //=================================================================================
 bool SMESHGUI_TranslationDlg::isValid()
 {
-  bool ok = true;
-  QString msg;
-
-  ok = SpinBox1_1->isValid( msg, true ) && ok;
-  ok = SpinBox1_2->isValid( msg, true ) && ok;
-  ok = SpinBox1_3->isValid( msg, true ) && ok;
-  if (GetConstructorId() == 0) {
-    ok = SpinBox2_1->isValid( msg, true ) && ok;
-    ok = SpinBox2_2->isValid( msg, true ) && ok;
-    ok = SpinBox2_3->isValid( msg, true ) && ok;
-  }
-
-  if( !ok ) {
-    QString str( tr( "SMESH_INCORRECT_INPUT" ) );
-    if ( !msg.isEmpty() )
-      str += "\n" + msg;
-    SUIT_MessageBox::critical( this, tr( "SMESH_ERROR" ), str );
-    return false;
-  }
-  return true;
+  QList<QAbstractSpinBox*> aSpinBoxList;
+  aSpinBoxList << SpinBox1_1 << SpinBox1_2 << SpinBox1_3;
+  if( GetConstructorId() == 0 )
+    aSpinBoxList << SpinBox2_1 << SpinBox2_2 << SpinBox2_3;
+  return checkParameters( true, aSpinBoxList );
 }
diff --git a/src/SMESHGUI/SMESHGUI_TranslationDlg.h b/src/SMESHGUI/SMESHGUI_TranslationDlg.h
index cfd77378a..81dc6cfa3 100644
--- a/src/SMESHGUI/SMESHGUI_TranslationDlg.h
+++ b/src/SMESHGUI/SMESHGUI_TranslationDlg.h
@@ -28,6 +28,7 @@
 
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_Helper.h"
 
 // Qt includes
 #include <QDialog>
@@ -56,7 +57,7 @@ class SMESH_LogicalFilter;
 // class    : SMESHGUI_TranslationDlg
 // purpose  :
 //=================================================================================
-class SMESHGUI_EXPORT SMESHGUI_TranslationDlg : public QDialog
+class SMESHGUI_EXPORT SMESHGUI_TranslationDlg : public QDialog, public SMESHGUI_Helper
 { 
   Q_OBJECT
 
diff --git a/src/SMESH_I/SMESH_Gen_i_1.cxx b/src/SMESH_I/SMESH_Gen_i_1.cxx
index 2b216fe26..7fed0cced 100644
--- a/src/SMESH_I/SMESH_Gen_i_1.cxx
+++ b/src/SMESH_I/SMESH_Gen_i_1.cxx
@@ -940,6 +940,7 @@ void SMESH_Gen_i::UpdateParameters(CORBA::Object_ptr theObject, const char* theP
 //=======================================================================
 char* SMESH_Gen_i::ParseParameters(const char* theParameters)
 {
+  /* ouv: temporarily disabled
   //const char* aParameters = theParameters;
 //   const char* aParameters = CORBA::string_dup(theParameters);
   TCollection_AsciiString anInputParams;
@@ -982,6 +983,8 @@ char* SMESH_Gen_i::ParseParameters(const char* theParameters)
     }
   }
   return CORBA::string_dup(anInputParams.ToCString());
+  */
+  return NULL;
 }
 
 //=======================================================================
diff --git a/src/SMESH_I/SMESH_Hypothesis_i.cxx b/src/SMESH_I/SMESH_Hypothesis_i.cxx
index b677e647b..cacae2503 100644
--- a/src/SMESH_I/SMESH_Hypothesis_i.cxx
+++ b/src/SMESH_I/SMESH_Hypothesis_i.cxx
@@ -188,6 +188,7 @@ char* SMESH_Hypothesis_i::GetParameters()
 SMESH::ListOfParameters* SMESH_Hypothesis_i::GetLastParameters()
 {
   SMESH::ListOfParameters_var aResult = new SMESH::ListOfParameters();
+  /* ouv: temporarily disabled
   SMESH_Gen_i *gen = SMESH_Gen_i::GetSMESHGen();
   if(gen) {
     char *aParameters;
@@ -207,6 +208,7 @@ SMESH::ListOfParameters* SMESH_Hypothesis_i::GetLastParameters()
       }
     }
   }
+  */
   return aResult._retn();
 }
 
diff --git a/src/SMESH_I/SMESH_Mesh_i.cxx b/src/SMESH_I/SMESH_Mesh_i.cxx
index bc0369dcc..4236db269 100644
--- a/src/SMESH_I/SMESH_Mesh_i.cxx
+++ b/src/SMESH_I/SMESH_Mesh_i.cxx
@@ -3408,6 +3408,7 @@ char* SMESH_Mesh_i::GetParameters()
 SMESH::string_array* SMESH_Mesh_i::GetLastParameters()
 {
   SMESH::string_array_var aResult = new SMESH::string_array();
+  /* ouv: temporarily disabled
   SMESH_Gen_i *gen = SMESH_Gen_i::GetSMESHGen();
   if(gen) {
     char *aParameters = GetParameters();
@@ -3422,6 +3423,7 @@ SMESH::string_array* SMESH_Mesh_i::GetLastParameters()
       }
     }
   }
+  */
   return aResult._retn();
 }
 
diff --git a/src/SMESH_I/SMESH_NoteBook.cxx b/src/SMESH_I/SMESH_NoteBook.cxx
index 2345a4279..09083c3b9 100644
--- a/src/SMESH_I/SMESH_NoteBook.cxx
+++ b/src/SMESH_I/SMESH_NoteBook.cxx
@@ -639,6 +639,7 @@ void SMESH_NoteBook::ReplaceVariables()
 //================================================================================
 void SMESH_NoteBook::InitObjectMap()
 {
+  /* ouv: temporarily disabled
   SMESH_Gen_i *aGen = SMESH_Gen_i::GetSMESHGen();
   if(!aGen)
     return;
@@ -700,6 +701,7 @@ void SMESH_NoteBook::InitObjectMap()
       _objectMap.insert(pair<TCollection_AsciiString,ObjectStates*>(TCollection_AsciiString(aSObject->GetID()),aState));
     }
   }
+  */
 }
 
 //================================================================================
@@ -825,6 +827,7 @@ bool SMESH_NoteBook::GetReal(const TCollection_AsciiString& theVarName, double&
 {
   bool ok = false;
 
+  /* ouv: temporarily disabled
   SMESH_Gen_i *aGen = SMESH_Gen_i::GetSMESHGen();
   if(!aGen)
     return ok;
@@ -844,7 +847,7 @@ bool SMESH_NoteBook::GetReal(const TCollection_AsciiString& theVarName, double&
     theValue = aStudy->GetReal(aVarName.ToCString());
     ok = true;
   }
-
+  */
   return ok;
 }
 
diff --git a/src/StdMeshersGUI/StdMeshersGUI_NbSegmentsCreator.cxx b/src/StdMeshersGUI/StdMeshersGUI_NbSegmentsCreator.cxx
index 2ee5473af..4283d4760 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_NbSegmentsCreator.cxx
+++ b/src/StdMeshersGUI/StdMeshersGUI_NbSegmentsCreator.cxx
@@ -80,17 +80,17 @@ StdMeshersGUI_NbSegmentsCreator::~StdMeshersGUI_NbSegmentsCreator()
 {
 }
 
-bool StdMeshersGUI_NbSegmentsCreator::checkParams( QString& msg ) const
+bool StdMeshersGUI_NbSegmentsCreator::checkParams( QString& msg, QStringList& absentParams ) const
 {
-  if( !SMESHGUI_GenericHypothesisCreator::checkParams( msg ) )
+  if( !SMESHGUI_GenericHypothesisCreator::checkParams( msg, absentParams ) )
     return false;
   NbSegmentsHypothesisData data_old, data_new;
   readParamsFromHypo( data_old );
   readParamsFromWidgets( data_new );
   bool res = storeParamsToHypo( data_new );
   storeParamsToHypo( data_old );
-  res = myNbSeg->isValid( msg, true ) && res;
-  res = myScale->isValid( msg, true ) && res;
+  res = myNbSeg->isValid( msg, absentParams, true ) && res;
+  res = myScale->isValid( msg, absentParams, true ) && res;
   return res;
 }
 
diff --git a/src/StdMeshersGUI/StdMeshersGUI_NbSegmentsCreator.h b/src/StdMeshersGUI/StdMeshersGUI_NbSegmentsCreator.h
index 6053e8d34..34682a25f 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_NbSegmentsCreator.h
+++ b/src/StdMeshersGUI/StdMeshersGUI_NbSegmentsCreator.h
@@ -64,7 +64,7 @@ public:
   StdMeshersGUI_NbSegmentsCreator();
   virtual ~StdMeshersGUI_NbSegmentsCreator();
 
-  virtual bool checkParams( QString& ) const;
+  virtual bool checkParams( QString&, QStringList& ) const;
 
 protected:
   virtual QFrame*  buildFrame();
diff --git a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
index 0d72900dc..b5b2d1208 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
+++ b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
@@ -343,9 +343,9 @@ namespace {
  */
 //================================================================================
 
-bool StdMeshersGUI_StdHypothesisCreator::checkParams( QString& msg ) const
+bool StdMeshersGUI_StdHypothesisCreator::checkParams( QString& msg, QStringList& absentParams ) const
 {
-  if( !SMESHGUI_GenericHypothesisCreator::checkParams( msg ) )
+  if( !SMESHGUI_GenericHypothesisCreator::checkParams( msg, absentParams ) )
     return false;
 
   // check if object reference parameter is set, as it has no default value
diff --git a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.h b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.h
index 0973c5c03..011ff8945 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.h
+++ b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.h
@@ -41,7 +41,7 @@ public:
   StdMeshersGUI_StdHypothesisCreator( const QString& );
   virtual ~StdMeshersGUI_StdHypothesisCreator();
 
-  virtual bool checkParams( QString& ) const;
+  virtual bool checkParams( QString&, QStringList& ) const;
 
 protected:
   virtual QFrame*  buildFrame    ();