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0020635: EDF 1223 SMESH: Error message of RadialQuadrangle algorithm not precise
[modules/smesh.git] / src / SMESHGUI / SMESHGUI.cxx
index 2f6898312af88b20e2070382720b27f1611fee44..20ad43e03f64b695c3c5ab398c0f396dcde1f212 100644 (file)
 // SMESH includes
 
 #include "SMESHGUI.h"
-#include "SMESHGUI_NodesDlg.h"
-#include "SMESHGUI_TransparencyDlg.h"
-#include "SMESHGUI_ClippingDlg.h"
-#include "SMESHGUI_GroupDlg.h"
-#include "SMESHGUI_RemoveNodesDlg.h"
-#include "SMESHGUI_RemoveElementsDlg.h"
-#include "SMESHGUI_MeshInfosDlg.h"
-#include "SMESHGUI_StandardMeshInfosDlg.h"
-#include "SMESHGUI_WhatIsDlg.h"
-#include "SMESHGUI_Preferences_ColorDlg.h"
-#include "SMESHGUI_Preferences_ScalarBarDlg.h"
-#include "SMESHGUI_Hypotheses.h"
-#include "SMESHGUI_MoveNodesDlg.h"
 #include "SMESHGUI_AddMeshElementDlg.h"
 #include "SMESHGUI_AddQuadraticElementDlg.h"
+#include "SMESHGUI_BuildCompoundDlg.h"
+#include "SMESHGUI_ClippingDlg.h"
+#include "SMESHGUI_ComputeDlg.h"
+#include "SMESHGUI_ConvToQuadOp.h"
+#include "SMESHGUI_CreatePolyhedralVolumeDlg.h"
+#include "SMESHGUI_DeleteGroupDlg.h"
+#include "SMESHGUI_Displayer.h"
+#include "SMESHGUI_EditMeshDlg.h"
+#include "SMESHGUI_ExtrusionAlongPathDlg.h"
+#include "SMESHGUI_ExtrusionDlg.h"
+#include "SMESHGUI_FileInfoDlg.h"
+#include "SMESHGUI_FileValidator.h"
 #include "SMESHGUI_FilterDlg.h"
 #include "SMESHGUI_FilterLibraryDlg.h"
-#include "SMESHGUI_SingleEditDlg.h"
-#include "SMESHGUI_MultiEditDlg.h"
-#include "SMESHGUI_GroupOpDlg.h"
+#include "SMESHGUI_FindElemByPointDlg.h"
+#include "SMESHGUI_GroupDlg.h"
 #include "SMESHGUI_GroupOnShapeDlg.h"
-#include "SMESHGUI_DeleteGroupDlg.h"
-#include "SMESHGUI_SmoothingDlg.h"
+#include "SMESHGUI_GroupOpDlg.h"
+#include "SMESHGUI_Hypotheses.h"
+#include "SMESHGUI_Make2DFrom3DOp.h"
+#include "SMESHGUI_MakeNodeAtPointDlg.h"
+#include "SMESHGUI_MeshInfosDlg.h"
+#include "SMESHGUI_MeshOp.h"
+#include "SMESHGUI_MeshOrderOp.h"
+#include "SMESHGUI_MeshPatternDlg.h"
+#include "SMESHGUI_MoveNodesDlg.h"
+#include "SMESHGUI_MultiEditDlg.h"
+#include "SMESHGUI_NodesDlg.h"
+#include "SMESHGUI_Preferences_ColorDlg.h"
+#include "SMESHGUI_Preferences_ScalarBarDlg.h"
+#include "SMESHGUI_RemoveElementsDlg.h"
+#include "SMESHGUI_RemoveNodesDlg.h"
 #include "SMESHGUI_RenumberingDlg.h"
-#include "SMESHGUI_ExtrusionDlg.h"
-#include "SMESHGUI_ExtrusionAlongPathDlg.h"
 #include "SMESHGUI_RevolutionDlg.h"
-#include "SMESHGUI_TranslationDlg.h"
 #include "SMESHGUI_RotationDlg.h"
-#include "SMESHGUI_SymmetryDlg.h"
-#include "SMESHGUI_SewingDlg.h"
-#include "SMESHGUI_EditMeshDlg.h"
-#include "SMESHGUI_MeshPatternDlg.h"
 #include "SMESHGUI_Selection.h"
-#include "SMESHGUI_CreatePolyhedralVolumeDlg.h"
-#include "SMESHGUI_ConvToQuadOp.h"
-#include "SMESHGUI_MeshOp.h"
-#include "SMESHGUI_Displayer.h"
-#include "SMESHGUI_MakeNodeAtPointDlg.h"
-#include "SMESHGUI_BuildCompoundDlg.h"
-#include "SMESHGUI_ComputeDlg.h"
-#include "SMESHGUI_FileInfoDlg.h"
-#include "SMESHGUI_Make2DFrom3DOp.h"
+#include "SMESHGUI_SewingDlg.h"
+#include "SMESHGUI_SingleEditDlg.h"
+#include "SMESHGUI_SmoothingDlg.h"
+#include "SMESHGUI_StandardMeshInfosDlg.h"
+#include "SMESHGUI_SymmetryDlg.h"
+#include "SMESHGUI_TranslationDlg.h"
+#include "SMESHGUI_TransparencyDlg.h"
+#include "SMESHGUI_WhatIsDlg.h"
 
 #include "SMESHGUI_Utils.h"
 #include "SMESHGUI_MeshUtils.h"
     if( aSel )
       aSel->selectedObjects( selected );
 
-    SMESH::SMESH_Mesh_var aMesh;
-    if(selected.Extent() == 1)
-      aMesh = SMESH::IObjectToInterface<SMESH::SMESH_Mesh>(selected.First());
-    if ( aMesh->_is_nil() ) {
-      SUIT_MessageBox::warning( SMESHGUI::desktop(),
-                                QObject::tr( "SMESH_WRN_WARNING" ),
-                                QObject::tr( "SMESH_BAD_MESH_SELECTION" ));
+    // actually, the following condition can't be met (added for insurance)
+    if( selected.Extent() == 0 ||
+        selected.Extent() > 1 && theCommandID != 122 && theCommandID != 125 )
       return;
+
+    bool hasDuplicatedMeshNames = false;
+    QList< QPair< SMESH::SMESH_Mesh_var, QString > > aMeshList;
+    QList< QPair< SMESH::SMESH_Mesh_var, QString > >::iterator aMeshIter;
+    SALOME_ListIteratorOfListIO It( selected );
+    for( ; It.More(); It.Next() ) {
+      Handle(SALOME_InteractiveObject) anIObject = It.Value();
+      SMESH::SMESH_Mesh_var aMeshItem = SMESH::IObjectToInterface<SMESH::SMESH_Mesh>( anIObject );
+      if ( aMeshItem->_is_nil() ) {
+        SUIT_MessageBox::warning( SMESHGUI::desktop(),
+                                  QObject::tr( "SMESH_WRN_WARNING" ),
+                                  QObject::tr( "SMESH_BAD_MESH_SELECTION" ));
+        return;
+      }
+
+      QString aMeshName = anIObject->getName();
+
+      // check for duplications
+      for( aMeshIter = aMeshList.begin(); aMeshIter != aMeshList.end(); aMeshIter++ ) {
+        if( aMeshName == (*aMeshIter).second ) {
+          hasDuplicatedMeshNames = true;
+          break;
+        }
+      }
+
+      aMeshList.append( QPair< SMESH::SMESH_Mesh_var, QString >( aMeshItem, aMeshName ) );
     }
 
-    Handle(SALOME_InteractiveObject) anIObject = selected.First();
+    if( hasDuplicatedMeshNames ) {
+      int aRet = SUIT_MessageBox::warning(SMESHGUI::desktop(),
+                                          QObject::tr("SMESH_WRN_WARNING"),
+                                          QObject::tr("SMESH_EXPORT_MED_DUPLICATED_MESH_NAMES"),
+                                          QObject::tr("SMESH_BUT_YES"),
+                                          QObject::tr("SMESH_BUT_NO"), 0, 1);
+      if (aRet != 0)
+        return;
+    }
+
+    aMeshIter = aMeshList.begin();
+    SMESH::SMESH_Mesh_var aMesh = (*aMeshIter).first;
+    QString aMeshName = (*aMeshIter).second;
+
+    QList<SALOMEDS::Color> aReservedColors;
+
     QString aFilter, aTitle = QObject::tr("Export mesh");
     QMap<QString, SMESH::MED_VERSION> aFilterMap;
     QMap<QString, int> aFilterMapSTL;
     case 125:
     case 122:
       {
-        if (aMesh->HasDuplicatedGroupNamesMED()) {
-          int aRet = SUIT_MessageBox::warning
-            (SMESHGUI::desktop(),
-             QObject::tr("SMESH_WRN_WARNING"),
-             QObject::tr("SMESH_EXPORT_MED_DUPLICATED_GRP").arg(anIObject->getName()),
-             SUIT_MessageBox::Yes | SUIT_MessageBox::No, SUIT_MessageBox::Yes);
-          if (aRet != SUIT_MessageBox::Yes)
-            return;
+        for( aMeshIter = aMeshList.begin(); aMeshIter != aMeshList.end(); aMeshIter++ ) {
+          SMESH::SMESH_Mesh_var aMeshItem = (*aMeshIter).first;
+          if (aMeshItem->HasDuplicatedGroupNamesMED()) {
+            int aRet = SUIT_MessageBox::warning
+              (SMESHGUI::desktop(),
+               QObject::tr("SMESH_WRN_WARNING"),
+               QObject::tr("SMESH_EXPORT_MED_DUPLICATED_GRP").arg((*aMeshIter).second),
+               QObject::tr("SMESH_BUT_YES"),
+               QObject::tr("SMESH_BUT_NO"), 0, 1);
+            if (aRet != 0)
+              return;
+          }
         }
         // PAL18696
         QString v21 (aMesh->GetVersionString(SMESH::MED_V2_1, 2));
           int aRet = SUIT_MessageBox::warning
             (SMESHGUI::desktop(),
              QObject::tr("SMESH_WRN_WARNING"),
-             QObject::tr("SMESH_EXPORT_UNV").arg(anIObject->getName()),
-             SUIT_MessageBox::Yes | SUIT_MessageBox::No, SUIT_MessageBox::Yes);
-          if (aRet != SUIT_MessageBox::Yes)
+             QObject::tr("SMESH_EXPORT_UNV").arg(aMeshName),
+             QObject::tr("SMESH_BUT_YES"),
+             QObject::tr("SMESH_BUT_NO"), 0, 1);
+          if (aRet != 0)
             return;
         }
         aFilter = QObject::tr("IDEAS files (*.unv)");
           SUIT_MessageBox::warning
             (SMESHGUI::desktop(),
              QObject::tr("SMESH_WRN_WARNING"),
-             QObject::tr("SMESH_EXPORT_STL1").arg(anIObject->getName()));
+             QObject::tr("SMESH_EXPORT_STL1").arg(aMeshName));
           return;
         }
         if (!(aMesh->NbElements() - aMesh->NbTriangles())) {
           int aRet = SUIT_MessageBox::warning
             (SMESHGUI::desktop(),
              QObject::tr("SMESH_WRN_WARNING"),
-             QObject::tr("SMESH_EXPORT_STL2").arg(anIObject->getName()),
-             SUIT_MessageBox::Yes | SUIT_MessageBox::No, SUIT_MessageBox::Yes);
-          if (aRet != SUIT_MessageBox::Yes)
+             QObject::tr("SMESH_EXPORT_STL2").arg(aMeshName),
+             QObject::tr("SMESH_BUT_YES"),
+             QObject::tr("SMESH_BUT_NO"), 0, 1);
+          if (aRet != 0)
             return;
         }
 
     SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
     if ( resMgr )
       toCreateGroups = resMgr->booleanValue( "SMESH", "auto_groups", false );
+    bool toOverwrite = true;
 
     QString anInitialPath = "";
     if ( SUIT_FileDlg::getLastVisitedPath().isEmpty() )
 
     if ( theCommandID != 122 && theCommandID != 125 && theCommandID != 140 && theCommandID != 141) {
       if ( anInitialPath.isEmpty() ) anInitialPath = SUIT_FileDlg::getLastVisitedPath();
-      aFilename = SUIT_FileDlg::getFileName(SMESHGUI::desktop(), anInitialPath + QString("/") + anIObject->getName(),
+      aFilename = SUIT_FileDlg::getFileName(SMESHGUI::desktop(), anInitialPath + QString("/") + aMeshName,
                                             aFilter, aTitle, false);
     }
     else if(theCommandID == 140 || theCommandID == 141) { // Export to STL
       fd->selectFilter( QObject::tr("STL ASCII  (*.stl)") );
       if ( !anInitialPath.isEmpty() )
         fd->setDirectory( anInitialPath );
-      fd->selectFile(anIObject->getName());
+      fd->selectFile(aMeshName);
       bool is_ok = false;
       while (!is_ok) {
         if ( fd->exec() )
       fd->SetChecked(toCreateGroups);
       if ( !anInitialPath.isEmpty() )
         fd->setDirectory( anInitialPath );
-      fd->selectFile(anIObject->getName());
+      fd->selectFile(aMeshName);
+
+      SMESHGUI_FileValidator* fv = new SMESHGUI_FileValidator( fd );
+      fd->setValidator( fv );
+
       bool is_ok = false;
       while (!is_ok) {
         if ( fd->exec() )
           aFilename = fd->selectedFile();
+        else {
+          aFilename = QString::null;
+          break;
+        }
         aFormat = aFilterMap[fd->selectedFilter()];
+        toOverwrite = fv->isOverwrite();
         is_ok = true;
-        if ( !aFilename.isEmpty()
-             && (aMesh->NbPolygons()>0 || aMesh->NbPolyhedrons()>0)
-             && aFormat==SMESH::MED_V2_1) {
-          int aRet = SUIT_MessageBox::warning(SMESHGUI::desktop(),
-                                              QObject::tr("SMESH_WRN_WARNING"),
-                                              QObject::tr("SMESH_EXPORT_MED_V2_1").arg(anIObject->getName()),
-                                              SUIT_MessageBox::Yes | SUIT_MessageBox::No, SUIT_MessageBox::Yes);
-          if (aRet != SUIT_MessageBox::Yes) {
-            is_ok = false;
+        if ( !aFilename.isEmpty() ) {
+          for( aMeshIter = aMeshList.begin(); aMeshIter != aMeshList.end(); aMeshIter++ ) {
+            SMESH::SMESH_Mesh_var aMeshItem = (*aMeshIter).first;
+            if( (aMeshItem->NbPolygons()>0 || aMeshItem->NbPolyhedrons()>0)
+                && aFormat==SMESH::MED_V2_1) {
+              int aRet = SUIT_MessageBox::warning(SMESHGUI::desktop(),
+                                                  QObject::tr("SMESH_WRN_WARNING"),
+                                                  QObject::tr("SMESH_EXPORT_MED_V2_1").arg((*aMeshIter).second),
+                                                  QObject::tr("SMESH_BUT_YES"),
+                                                  QObject::tr("SMESH_BUT_NO"), 0, 1);
+              if (aRet != 0) {
+                is_ok = false;
+                break;
+              }
+            }
+          }
+          if( !toOverwrite ) {
+            SMESH::MED_VERSION aVersion = SMESH::MED_V2_1;
+            bool isVersionOk = SMESHGUI::GetSMESHGen()->GetMEDVersion( aFilename.toLatin1().constData(), aVersion );
+            if( !isVersionOk || aVersion != aFormat ) {
+              int aRet = SUIT_MessageBox::warning(SMESHGUI::desktop(),
+                                                  QObject::tr("SMESH_WRN_WARNING"),
+                                                  QObject::tr("SMESH_EXPORT_MED_VERSION_COLLISION").arg(aFilename),
+                                                  QObject::tr("SMESH_BUT_YES"),
+                                                  QObject::tr("SMESH_BUT_NO"), 0, 1);
+              if (aRet == 0)
+                toOverwrite = true;
+              else
+                is_ok = false;
+            }
+
+            QStringList aMeshNamesCollisionList;
+            SMESH::string_array_var aMeshNames = SMESHGUI::GetSMESHGen()->GetMeshNames( aFilename.toLatin1().constData() );
+            for( int i = 0, n = aMeshNames->length(); i < n; i++ ) {
+              QString anExistingMeshName( aMeshNames[ i ] );
+              for( aMeshIter = aMeshList.begin(); aMeshIter != aMeshList.end(); aMeshIter++ ) {
+                QString anExportMeshName = (*aMeshIter).second;
+                if( anExportMeshName == anExistingMeshName ) {
+                  aMeshNamesCollisionList.append( anExportMeshName );
+                  break;
+                }
+              }
+            }
+
+            if( !aMeshNamesCollisionList.isEmpty() ) {
+              QString aMeshNamesCollisionString = aMeshNamesCollisionList.join( ", " );
+              int aRet = SUIT_MessageBox::warning(SMESHGUI::desktop(),
+                                                  QObject::tr("SMESH_WRN_WARNING"),
+                                                  QObject::tr("SMESH_EXPORT_MED_MESH_NAMES_COLLISION").arg(aMeshNamesCollisionString),
+                                                  QObject::tr("SMESH_BUT_YES"),
+                                                  QObject::tr("SMESH_BUT_NO"),
+                                                  QObject::tr("SMESH_BUT_CANCEL"), 0, 2);
+              if (aRet == 0)
+                toOverwrite = true;
+              else if (aRet == 2)
+                is_ok = false;
+            }
           }
         }
       }
     if ( !aFilename.isEmpty() ) {
       // Check whether the file already exists and delete it if yes
       QFile aFile( aFilename );
-      if ( aFile.exists() )
+      if ( aFile.exists() && toOverwrite )
         aFile.remove();
       SUIT_OverrideCursor wc;
 
         }
         switch ( theCommandID ) {
         case 125:
-        case 122:
-          aMesh->ExportToMED( aFilename.toLatin1().data(), toCreateGroups, aFormat );
+        case 122: {
+            int aMeshIndex = 0;
+            for( aMeshIter = aMeshList.begin(); aMeshIter != aMeshList.end(); aMeshIter++, aMeshIndex++ ) {
+              SMESH::SMESH_Mesh_var aMeshItem = (*aMeshIter).first;
+              if( !aMeshItem->_is_nil() )
+                aMeshItem->ExportToMEDX( aFilename.toLatin1().data(), toCreateGroups, aFormat, toOverwrite && aMeshIndex == 0 );
+            }
+          }
           break;
         case 124:
         case 121:
               c2 = int (nodecolor[2] * 255);
               QColor n(c0, c1, c2);
 
+              vtkFloatingPointType color0D[3];
+              anActor->Get0DColor(color0D[0], color0D[1], color0D[2]);
+              c0 = int (color0D[0] * 255);
+              c1 = int (color0D[1] * 255);
+              c2 = int (color0D[2] * 255);
+              QColor c0D(c0, c1, c2);
+
+              int size0D = (int)anActor->Get0DSize();
+              if(size0D == 0)
+                size0D = 1;
               int Edgewidth = (int)anActor->GetLineWidth();
               if(Edgewidth == 0)
                 Edgewidth = 1;
               int intValue = int(anActor->GetNodeSize());
               vtkFloatingPointType Shrink = anActor->GetShrinkFactor();
 
+              vtkFloatingPointType faces_orientation_color[3];
+              anActor->GetFacesOrientationColor(faces_orientation_color);
+              c0 = int (faces_orientation_color[0] * 255);
+              c1 = int (faces_orientation_color[1] * 255);
+              c2 = int (faces_orientation_color[2] * 255);
+              QColor o(c0, c1, c2);
+
+              vtkFloatingPointType faces_orientation_scale = anActor->GetFacesOrientationScale();
+              bool faces_orientation_3dvectors = anActor->GetFacesOrientation3DVectors();
+
               SMESHGUI_Preferences_ColorDlg *aDlg =
                 new SMESHGUI_Preferences_ColorDlg( SMESHGUI::GetSMESHGUI() );
               aDlg->SetColor(1, c);
               aDlg->SetColor(2, e);
               aDlg->SetColor(3, n);
               aDlg->SetColor(4, b);
+              aDlg->SetColor(5, c0D);
+              aDlg->SetColor(6, o);
               aDlg->SetIntValue(1, Edgewidth);
               aDlg->SetIntValue(2, intValue);
               aDlg->SetIntValue(3, int(Shrink*100.));
+              aDlg->SetIntValue(4, size0D);
+              aDlg->SetDoubleValue(1, faces_orientation_scale);
+              aDlg->SetBooleanValue(1, faces_orientation_3dvectors);
               if(aDlg->exec()){
                 QColor color = aDlg->GetColor(1);
                 QColor edgecolor = aDlg->GetColor(2);
                 QColor nodecolor = aDlg->GetColor(3);
                 QColor backfacecolor = aDlg->GetColor(4);
+                QColor color0D = aDlg->GetColor(5);
+                QColor faces_orientation_color = aDlg->GetColor(6);
                 /* actor color and backface color */
                 anActor->SetSufaceColor(vtkFloatingPointType (color.red()) / 255.,
                                         vtkFloatingPointType (color.green()) / 255.,
                                       vtkFloatingPointType (nodecolor.blue()) / 255.);
                 anActor->SetNodeSize(aDlg->GetIntValue(2));
 
+                /* 0D elements */
+                anActor->Set0DColor(vtkFloatingPointType (color0D.red()) / 255.,
+                                    vtkFloatingPointType (color0D.green()) / 255.,
+                                    vtkFloatingPointType (color0D.blue()) / 255.);
+                anActor->Set0DSize(aDlg->GetIntValue(4));
+
+                /* Faces orientation */
+                vtkFloatingPointType c[3] = {vtkFloatingPointType(faces_orientation_color.redF()),
+                                             vtkFloatingPointType(faces_orientation_color.greenF()),
+                                             vtkFloatingPointType(faces_orientation_color.blueF())};
+                anActor->SetFacesOrientationColor(c);
+                anActor->SetFacesOrientationScale(aDlg->GetDoubleValue(1));
+                anActor->SetFacesOrientation3DVectors(aDlg->GetBooleanValue(1));
+
                 SMESH::SMESH_GroupBase_var aGroupObject = SMESH::IObjectToInterface<SMESH::SMESH_GroupBase>(IObject);
                 if( !aGroupObject->_is_nil() )
                 {
@@ -1245,6 +1396,16 @@ void SMESHGUI::EmitSignalCloseAllDialogs()
   emit SignalCloseAllDialogs();
 }
 
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+void SMESHGUI::EmitSignalVisibilityChanged()
+{
+  emit SignalVisibilityChanged();
+}
+
 //=============================================================================
 /*!
  *
@@ -1541,8 +1702,10 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
           for ( ; It.More(); It.Next()) {
             Handle(SALOME_InteractiveObject) IOS = It.Value();
             if (IOS->hasEntry()) {
-              if (!SMESH::UpdateView(anAction, IOS->getEntry()))
+              if (!SMESH::UpdateView(anAction, IOS->getEntry())) {
+                SMESHGUI::GetSMESHGUI()->EmitSignalVisibilityChanged();
                 break; // PAL16774 (Crash after display of many groups)
+              }
               if (anAction == SMESH::eDisplayOnly)
                 anAction = SMESH::eDisplay;
             }
@@ -1550,8 +1713,10 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
         }
 
         // PAL13338 + PAL15161 -->
-        if ( ( theCommandID==301 || theCommandID==302 ) && !checkLock(aStudy))
+        if ( ( theCommandID==301 || theCommandID==302 ) && !checkLock(aStudy)) {
           SMESH::UpdateView();
+          SMESHGUI::GetSMESHGUI()->EmitSignalVisibilityChanged();
+        }
         // PAL13338 + PAL15161 <--
       }
       catch (...) { // PAL16774 (Crash after display of many groups)
@@ -1564,7 +1729,7 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
       }
       else
         aSel->setSelectedObjects( to_process );
-
+      
       break;
     }
 
@@ -1612,6 +1777,7 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
   case 701:                                     // COMPUTE MESH
   case 711:                                     // PRECOMPUTE MESH
   case 712:                                     // EVALUATE MESH
+  case 713:                                     // MESH ORDER
     {
       if (checkLock(aStudy)) break;
       startOperation( theCommandID );
@@ -2073,6 +2239,12 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
       break;
     }
 
+  case 904:                                     // FIND ELEM
+    {
+      startOperation( theCommandID );
+      break;
+    }
+
   case 1100:                                    // EDIT HYPOTHESIS
     {
       if(checkLock(aStudy)) break;
@@ -2701,6 +2873,7 @@ void SMESHGUI::initialize( CAM_Application* app )
   createSMESHAction(  710, "BUILD_COMPOUND",  "ICON_BUILD_COMPOUND" );
   createSMESHAction(  711, "PRECOMPUTE",      "ICON_PRECOMPUTE" );
   createSMESHAction(  712, "EVALUATE",        "ICON_COMPUTE" );
+  createSMESHAction(  713, "MESH_ORDER",      "ICON_COMPUTE" );
   createSMESHAction(  806, "CREATE_GEO_GROUP","ICON_CREATE_GEO_GROUP" );
   createSMESHAction(  801, "CREATE_GROUP",    "ICON_CREATE_GROUP" );
   createSMESHAction(  802, "CONSTRUCT_GROUP", "ICON_CONSTRUCT_GROUP" );
@@ -2716,6 +2889,7 @@ void SMESHGUI::initialize( CAM_Application* app )
   createSMESHAction(  900, "ADV_INFO",        "ICON_ADV_INFO" );
   createSMESHAction(  902, "STD_INFO",        "ICON_STD_INFO" );
   createSMESHAction(  903, "WHAT_IS",         "ICON_WHAT_IS" );
+  createSMESHAction(  904, "FIND_ELEM",       "ICON_FIND_ELEM" );
   createSMESHAction( 6001, "LENGTH",          "ICON_LENGTH",        0, true );
   createSMESHAction( 6002, "FREE_EDGE",       "ICON_FREE_EDGE",     0, true );
   createSMESHAction( 6021, "FREE_FACES",      "ICON_FREE_FACES",    0, true );
@@ -2849,6 +3023,7 @@ void SMESHGUI::initialize( CAM_Application* app )
   createMenu( 701, meshId, -1 );
   createMenu( 711, meshId, -1 );
   createMenu( 712, meshId, -1 );
+  createMenu( 713, meshId, -1 );
   createMenu( separator(), meshId, -1 );
   createMenu( 801, meshId, -1 );
   createMenu( 806, meshId, -1 );
@@ -2867,6 +3042,7 @@ void SMESHGUI::initialize( CAM_Application* app )
   createMenu( 900, meshId, -1 );
   createMenu( 902, meshId, -1 );
   createMenu( 903, meshId, -1 );
+  createMenu( 904, meshId, -1 );
   createMenu( separator(), meshId, -1 );
 
   createMenu( 6003, ctrlId, -1 );
@@ -2953,6 +3129,7 @@ void SMESHGUI::initialize( CAM_Application* app )
   createTool( 701, meshTb );
   createTool( 711, meshTb );
   createTool( 712, meshTb );
+  createTool( 713, meshTb );
   createTool( separator(), meshTb );
   createTool( 801, meshTb );
   createTool( 806, meshTb );
@@ -2963,6 +3140,7 @@ void SMESHGUI::initialize( CAM_Application* app )
   createTool( 900, meshTb );
   createTool( 902, meshTb );
   createTool( 903, meshTb );
+  createTool( 904, meshTb );
   createTool( separator(), meshTb );
 
   createTool( 6001, ctrlTb );
@@ -3083,11 +3261,13 @@ void SMESHGUI::initialize( CAM_Application* app )
   popupMgr()->insert( separator(), -1, 0 );
   createPopupItem( 701, OB, mesh, "&& isComputable" );     // COMPUTE
   createPopupItem( 711, OB, mesh, "&& isComputable && isPreComputable" ); // PRECOMPUTE
-  createPopupItem( 712, OB, mesh, "&& isComputable" );     // COMPUTE
+  createPopupItem( 712, OB, mesh, "&& isComputable" );     // EVALUATE
+  createPopupItem( 713, OB, mesh, "&& isComputable" );     // MESH ORDER
   createPopupItem( 214, OB, mesh_group );                  // UPDATE
   createPopupItem( 900, OB, mesh_group );                  // ADV_INFO
   createPopupItem( 902, OB, mesh );                        // STD_INFO
   createPopupItem( 903, OB, mesh_group );                  // WHAT_IS
+  createPopupItem( 904, OB, mesh_group );                  // FIND_ELEM
   popupMgr()->insert( separator(), -1, 0 );
   createPopupItem( 801, OB, mesh );                        // CREATE_GROUP
   createPopupItem( 806, OB, mesh );                        // CREATE_GEO_GROUP
@@ -3104,8 +3284,9 @@ void SMESHGUI::initialize( CAM_Application* app )
   popupMgr()->insert( separator(), -1, 0 );
 
   QString only_one_non_empty = QString( " && %1=1 && numberOfNodes>0" ).arg( dc );
+  QString multiple_non_empty = QString( " && %1>0 && numberOfNodes>0" ).arg( dc );
 
-  createPopupItem( 125, OB, mesh, only_one_non_empty );   // EXPORT_MED
+  createPopupItem( 125, OB, mesh, multiple_non_empty );   // EXPORT_MED
   createPopupItem( 126, OB, mesh, only_one_non_empty );   // EXPORT_UNV
   createPopupItem( 141, OB, mesh, only_one_non_empty );   // EXPORT_STL
   //createPopupItem( 33, OB, subMesh + " " + group );       // DELETE
@@ -3122,6 +3303,7 @@ void SMESHGUI::initialize( CAM_Application* app )
   createPopupItem( 900, View, mesh_group ); // ADV_INFO
   createPopupItem( 902, View, mesh );       // STD_INFO
   createPopupItem( 903, View, mesh_group ); // WHAT_IS
+  createPopupItem( 904, View, mesh_group ); // FIND_ELEM
   popupMgr()->insert( separator(), -1, 0 );
 
   createPopupItem( 1136, OB + " " + View, mesh, "&& (not isAutoColor)" ); // AUTO_COLOR
@@ -3380,6 +3562,13 @@ bool SMESHGUI::isSelectionCompatible()
   return isCompatible;
 }
 
+
+bool SMESHGUI::reusableOperation( const int id )
+{
+  // compute, evaluate and precompute are not reusable operations
+  return ( id == 701 || id == 711 || id == 712 ) ? false : SalomeApp_Module::reusableOperation( id );
+} 
+
 bool SMESHGUI::activateModule( SUIT_Study* study )
 {
   bool res = SalomeApp_Module::activateModule( study );
@@ -3877,6 +4066,12 @@ LightApp_Operation* SMESHGUI::createOperation( const int id ) const
   // to do : create operation here
   switch( id )
   {
+    case 417: //convert to quadratic
+      op = new SMESHGUI_ConvToQuadOp();
+    break;
+    case 418: // create 2D mesh as boundary on 3D
+      op = new SMESHGUI_Make2DFrom3DOp();
+    break;
     case 701: // Compute mesh
       op = new SMESHGUI_ComputeOp();
     break;
@@ -3895,15 +4090,15 @@ LightApp_Operation* SMESHGUI::createOperation( const int id ) const
     case 712: // Evaluate mesh
       op = new SMESHGUI_EvaluateOp();
     break;
+    case 713: // Evaluate mesh
+      op = new SMESHGUI_MeshOrderOp();
+    break;
     case 806: // Create group on geom
       op = new SMESHGUI_GroupOnShapeOp();
       break;
-    case 417: //convert to quadratic
-      op = new SMESHGUI_ConvToQuadOp();
-    break;
-    case 418: // create 2D mesh as boundary on 3D
-      op = new SMESHGUI_Make2DFrom3DOp();
-    break;
+    case 904: // Find element
+      op = new SMESHGUI_FindElemByPointOp();
+      break;
     case 4067: // make mesh pass through point
       op = new SMESHGUI_MakeNodeAtPointOp();
       break;