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Merge branch 'BR_LAND_COVER' of ssh://git.salome-platform.org/modules/hydro into...
[modules/hydro.git] / src / HYDROGUI / HYDROGUI_DataModel.cxx
index 71fe1237cedfffeeba1819c3cd764f1daa0fd0f8..06a0ab41c2da1dcd98b9dd276a91b111a720b5c9 100644 (file)
@@ -1,12 +1,8 @@
-// Copyright (C) 2007-2013  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
-//
+// Copyright (C) 2014-2015  EDF-R&D
 // 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.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 #include "HYDROGUI_DataObject.h"
 #include "HYDROGUI_Module.h"
 #include "HYDROGUI_Tool.h"
+#include "HYDROGUI_Zone.h"
+#include "HYDROGUI_Region.h"
 
+#include <HYDROData_Bathymetry.h>
+#include <HYDROData_CalculationCase.h>
+#include <HYDROGUI_DataModelSync.h>
 #include <HYDROData_Document.h>
+#include <HYDROData_DummyObject3D.h>
 #include <HYDROData_Image.h>
+#include <HYDROData_ImmersibleZone.h>
 #include <HYDROData_Iterator.h>
-#include <HYDROData_Polyline.h>
+#include <HYDROData_Polyline3D.h>
+#include <HYDROData_PolylineXY.h>
+#include <HYDROData_Profile.h>
+#include <HYDROData_VisualState.h>
+#include <HYDROData_Region.h>
+#include <HYDROData_Zone.h>
+#include <HYDROData_Obstacle.h>
+#include <HYDROData_Channel.h>
+#include <HYDROData_Digue.h>
+#include <HYDROData_River.h>
+#include <HYDROData_Stream.h>
+#include <HYDROData_StricklerTable.h>
+#include <HYDROData_LandCover.h>
 
-#include <CAM_Application.h>
-#include <CAM_DataObject.h>
 #include <CAM_Module.h>
 #include <CAM_Study.h>
 
 #include <LightApp_DataObject.h>
 #include <LightApp_Study.h>
 
-#include <SUIT_DataObject.h>
 #include <SUIT_DataBrowser.h>
 #include <SUIT_ResourceMgr.h>
 #include <SUIT_Study.h>
 #include <SUIT_Tools.h>
+#include <SUIT_TreeSync.h>
 
 #include <HYDROData_Document.h>
 
 #include <TDF_Delta.hxx>
 #include <TDF_ListIteratorOfDeltaList.hxx>
 
+#include <QApplication>
+#include <QDir>
+
+// #define DEB_GROUPS 1
+#ifdef DEB_GROUPS
+#include <HYDROData_ShapesGroup.h>
+#endif
+
+static HYDROData_SequenceOfObjects myCopyingObjects;
+
+const int ENTRY_COLUMN = 2;
+
+
 HYDROGUI_DataModel::HYDROGUI_DataModel( CAM_Module* theModule )
 : LightApp_DataModel( theModule )
 {
@@ -69,17 +95,19 @@ bool HYDROGUI_DataModel::open( const QString& theURL,
   const int aStudyId = theStudy->id();
 
   Data_DocError res = DocError_UnknownProblem;
-  if( theFileList.count() == 2 )
+  if( theFileList.count() >= 2 )
   {
     QString aTmpDir = theFileList[0];
-    QString aFileName = theFileList[1];
+    QString aDataFileName = theFileList[1];
+    QString aStatesFileName = theFileList.count() == 3 ? theFileList[2] : "";
 
     myStudyURL = theURL;
-    QString aFullPath = SUIT_Tools::addSlash( aTmpDir ) + aFileName;
+    QString aDataFullPath = SUIT_Tools::addSlash( aTmpDir ) + aDataFileName;
+    QString aStatesFullPath = aStatesFileName.isEmpty() ? "" : SUIT_Tools::addSlash( aTmpDir ) + aStatesFileName;
 
     try
     {
-      res = HYDROData_Document::Load( (char*)aFullPath.toLatin1().constData(), aStudyId );
+      res = HYDROData_Document::Load( (char*)aDataFullPath.toLatin1().constData(), aStudyId );
     }
     catch(...)
     {
@@ -90,6 +118,16 @@ bool HYDROGUI_DataModel::open( const QString& theURL,
       module()->application()->putInfo( tr( "LOAD_ERROR" ) );
       return false;
     }
+
+    if( !aStatesFullPath.isEmpty() )
+    {
+      QFile aFile( aStatesFullPath );
+      if( aFile.open( QFile::ReadOnly ) )
+      {
+        myStates = aFile.readAll();
+        aFile.close();
+      }
+    }
   }
 
   // if the document open was successful, the data model update happens
@@ -108,27 +146,41 @@ bool HYDROGUI_DataModel::save( QStringList& theFileList )
   LightApp_DataModel::save( theFileList );
 
   QString aTmpDir;
-  QString aFileName;
   SUIT_ResourceMgr* resMgr = module()->application()->resourceMgr();
   bool isMultiFile = false;
   if( resMgr )
     isMultiFile = resMgr->booleanValue( "Study", "multi_file", false );
 
-  // save data to temporary files
+  // save module data to temporary files
   LightApp_Study* aStudy = dynamic_cast<LightApp_Study*>( module()->application()->activeStudy() );
   aTmpDir = aStudy->GetTmpDir( myStudyURL.toLatin1().constData(), isMultiFile ).c_str();
-  aFileName = SUIT_Tools::file( myStudyURL, false ) + "_HYDRO.cbf";
-
-  QString aFullPath = aTmpDir + aFileName;
-  Data_DocError res = getDocument()->Save( (char*)aFullPath.toLatin1().constData() );
+  
+  // save OCAF data to a temporary file
+  QString aDataFileName = SUIT_Tools::file( myStudyURL, false ) + "_HYDRO.cbf";
+  QString aDataFullPath = aTmpDir + aDataFileName;
+  Data_DocError res = getDocument()->Save( (char*)aDataFullPath.toLatin1().constData() );
   if( res != DocError_OK )
   {
     module()->application()->putInfo( tr( "SAVE_ERROR" ) );
     return false;
   }
 
+  // save tree state data to a temporary file
+  LightApp_Application* anApp = dynamic_cast<LightApp_Application*>( module()->application() );
+  QByteArray aStatesData = anApp->objectBrowser()->getOpenStates( ENTRY_COLUMN );
+  QString aStatesFileName = SUIT_Tools::file( myStudyURL, false ) + "_HYDRO_tree_states.txt";
+  QString aStatesFullPath = aTmpDir + aStatesFileName;
+  QFile aFile( aStatesFullPath );
+  if( aFile.open( QFile::WriteOnly ) )
+  {
+    aFile.write( aStatesData );
+    aFile.close();
+  }
+
+  // add temporary files to the list
   theFileList.append( aTmpDir );
-  theFileList.append( aFileName );
+  theFileList.append( aDataFileName );
+  theFileList.append( aStatesFileName );
 
   return true;
 }
@@ -146,10 +198,36 @@ bool HYDROGUI_DataModel::close()
   return true;
 }
 
+bool HYDROGUI_DataModel::dumpPython( const QString& theURL,
+                                     CAM_Study*     theStudy,
+                                     bool           isMultiFile,
+                                     QStringList&   theListOfFiles )
+{
+  LightApp_DataModel::dumpPython( theURL, theStudy, isMultiFile, theListOfFiles );
+
+  int aStudyId = theStudy->id();
+
+  LightApp_Study* aStudy = ::qobject_cast<LightApp_Study*>( theStudy );
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( aStudyId );
+  if ( aDocument.IsNull() || !aStudy )
+    return false;
+
+  QString aDir = aStudy->GetTmpDir( theURL.toLatin1().constData(), isMultiFile ).c_str();
+  QString aFileToExport = aDir + QString( QDir::separator() ) + "HYDRO.py";
+
+  bool aRes = aDocument->DumpToPython( aFileToExport, isMultiFile );
+  if ( aRes )
+  {
+    theListOfFiles.append( aDir );
+    theListOfFiles.append( aFileToExport );
+  }
+
+  return aRes;
+}
+
 bool HYDROGUI_DataModel::isModified() const
 {
-  int aStudyId = module()->application()->activeStudy()->id();
-  return HYDROData_Document::Document( aStudyId )->IsModified();
+  return getDocument()->IsModified();
 }
 
 bool HYDROGUI_DataModel::isSaved() const
@@ -167,56 +245,248 @@ void HYDROGUI_DataModel::update( const int theStudyId )
   if( !aStudyRoot )
     return;
 
-  // create root object if not exist
-  CAM_DataObject* aRootObj = root();
-  if( !aRootObj )
-    aRootObj = createRootModuleObject( aStudyRoot );
-
-  if( !aRootObj )
-    return;
-
-  DataObjectList aList;
-  aRootObj->children( aList );
-  QListIterator<SUIT_DataObject*> anIter( aList );
-  while( anIter.hasNext() )
-    removeChild( aRootObj, anIter.next() );
+  // create a new root object
+  CAM_DataObject* aNewRootObj = new CAM_DataObject();
 
   Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( theStudyId );
   if( aDocument.IsNull() )
     return;
 
-  LightApp_DataObject* anImageRootObj = createObject( aRootObj, "IMAGES" );
+  // Create root objects:
 
-  HYDROData_Iterator anIterator( aDocument, KIND_IMAGE );
-  for( ; anIterator.More(); anIterator.Next() )
-  {
-    Handle(HYDROData_Image) anImageObj =
-      Handle(HYDROData_Image)::DownCast( anIterator.Current() );
-    if( !anImageObj.IsNull() )
-      createObject( anImageRootObj, anImageObj );
-  }
+  // IMAGES
+  LightApp_DataObject* anImageRootObj = createObject( aNewRootObj, tr( partitionName( KIND_IMAGE ).toAscii() ) );
 
-  LightApp_DataObject* aPolylineRootObj = createObject( aRootObj, "POLYLINES" );
+  // BATHYMETRY
+  LightApp_DataObject* aBathymetryRootObj = createObject( aNewRootObj, tr( partitionName( KIND_BATHYMETRY ).toAscii() ) );
 
-  HYDROData_Iterator aPolyIterator( aDocument, KIND_POLYLINE );
-  for( ; aPolyIterator.More(); aPolyIterator.Next() )
-  {
-    Handle(HYDROData_Polyline) aPolylineObj =
-      Handle(HYDROData_Polyline)::DownCast( aPolyIterator.Current() );
-    if( !aPolylineObj.IsNull() )
-      createObject( aPolylineRootObj, aPolylineObj );
+  // ARTIFICIAL OBJECTS
+  LightApp_DataObject* anArtificialObjectsRootObj = createObject( aNewRootObj, tr( partitionName( KIND_ARTIFICIAL_OBJECT ).toAscii() ) );
+
+  // NATURAL OBJECTS
+  LightApp_DataObject* aNaturalObjectsRootObj = createObject( aNewRootObj, tr( partitionName( KIND_NATURAL_OBJECT ).toAscii() ) );
+
+  // OBSTACLES
+  LightApp_DataObject* anObstaclesRootObj = createObject( aNewRootObj, tr( partitionName( KIND_OBSTACLE ).toAscii() ) );
+
+  // STRICKLER TABLES
+  LightApp_DataObject* aStricklerTablesRootObj = createObject( aNewRootObj, tr( partitionName( KIND_STRICKLER_TABLE ).toAscii() ) );
+
+  // LAND COVERS
+  LightApp_DataObject* aLandCoversRootObj = createObject( aNewRootObj, tr( partitionName( KIND_LAND_COVER ).toAscii() ) );
+
+  // CALCULATION CASES
+  LightApp_DataObject* aCalculRootObj = createObject( aNewRootObj, tr( partitionName( KIND_CALCULATION ).toAscii() ) );
+
+  // POLYLINES
+  LightApp_DataObject* aPolylineRootObj = createObject( aNewRootObj, tr( partitionName( KIND_POLYLINEXY ).toAscii() ) );
+
+  // POLYLINES
+  LightApp_DataObject* aPolyline3DRootObj = createObject( aNewRootObj, tr( partitionName( KIND_POLYLINE ).toAscii() ) );
+
+  // PROFILES
+  LightApp_DataObject* aProfileRootObj = createObject( aNewRootObj, tr( partitionName( KIND_PROFILE ).toAscii() ) );
+
+  // VISUAL STATES
+  LightApp_DataObject* aVisualStateRootObj = createObject( aNewRootObj, tr( partitionName( KIND_VISUAL_STATE ).toAscii() ) );
+
+  int aNoStricklerTableObj = 0;
+  HYDROData_Iterator anIterator( aDocument, KIND_UNKNOWN );
+  for( ; anIterator.More(); anIterator.Next() ) {
+    LightApp_DataObject* obj = 0;
+    Handle(HYDROData_Entity) anObj = anIterator.Current();
+
+    if ( !anObj.IsNull() )
+    {
+      switch ( anObj->GetKind() ) {
+        case KIND_IMAGE:
+        {
+          Handle(HYDROData_Image) anImageObj =
+            Handle(HYDROData_Image)::DownCast( anObj );
+          if( !anImageObj.IsNull() ) {
+            obj = createObject( anImageRootObj, anImageObj );
+          }
+
+          break;
+        }
+        case KIND_BATHYMETRY:
+        {
+          Handle(HYDROData_Bathymetry) aBathymetryObj =
+            Handle(HYDROData_Bathymetry)::DownCast( anObj );
+          if( !aBathymetryObj.IsNull() ) {
+            obj = createObject( aBathymetryRootObj, aBathymetryObj );
+          }
+
+          break;
+        }
+        case KIND_CHANNEL:
+        {
+          Handle(HYDROData_Channel) aChannelObj =
+            Handle(HYDROData_Channel)::DownCast( anObj );
+          if( !aChannelObj.IsNull() ) {
+            obj = createObject( anArtificialObjectsRootObj, aChannelObj );
+          }
+
+          break;
+        }
+        case KIND_DIGUE:
+        {
+          Handle(HYDROData_Digue) aDigueObj =
+            Handle(HYDROData_Digue)::DownCast( anObj );
+          if( !aDigueObj.IsNull() ) {
+            obj = createObject( anArtificialObjectsRootObj, aDigueObj );
+          }
+
+          break;
+        }
+        case KIND_IMMERSIBLE_ZONE:
+        {
+          Handle(HYDROData_ImmersibleZone) anImmersibleZoneObj =
+            Handle(HYDROData_ImmersibleZone)::DownCast( anObj );
+          if( !anImmersibleZoneObj.IsNull() ) {
+            obj = createObject( aNaturalObjectsRootObj, anImmersibleZoneObj );
+          }
+
+          break;
+        }
+        case KIND_RIVER:
+        {
+          Handle(HYDROData_River) aRiverObj =
+            Handle(HYDROData_River)::DownCast( anObj );
+          if( !aRiverObj.IsNull() ) {
+            obj = createObject( aNaturalObjectsRootObj, aRiverObj );
+          }
+
+          break;
+        }
+        case KIND_STREAM:
+        {
+          Handle(HYDROData_Stream) aStreamObj =
+            Handle(HYDROData_Stream)::DownCast( anObj );
+          if( !aStreamObj.IsNull() ) {
+            obj = createObject( aNaturalObjectsRootObj, aStreamObj );
+          }
+
+          break;
+        }
+        case KIND_OBSTACLE:
+        {
+          Handle(HYDROData_Obstacle) anObstacleObj =
+            Handle(HYDROData_Obstacle)::DownCast( anObj );
+          if( !anObstacleObj.IsNull() ) {
+            obj = createObject( anObstaclesRootObj, anObstacleObj );
+          }
+
+          break;
+        }
+               case KIND_STRICKLER_TABLE:
+        {
+          Handle(HYDROData_StricklerTable) aStricklerTableObj =
+            Handle(HYDROData_StricklerTable)::DownCast( anObj );
+          if( !aStricklerTableObj.IsNull() ) {
+            obj = createObject( aStricklerTablesRootObj, aStricklerTableObj );
+          }
+                 aNoStricklerTableObj++;
+
+          break;
+        }
+        case KIND_LAND_COVER:
+        {
+          Handle(HYDROData_LandCover) aLandCoverObj =
+            Handle(HYDROData_LandCover)::DownCast( anObj );
+          if( !aLandCoverObj.IsNull() ) {
+            obj = createObject( aLandCoversRootObj, aLandCoverObj );
+          }
+
+          break;
+        }
+        case KIND_CALCULATION:
+        {
+          Handle(HYDROData_CalculationCase) aCalculObj =
+            Handle(HYDROData_CalculationCase)::DownCast( anObj );
+          if( !aCalculObj.IsNull() ) {
+            obj = createObject( aCalculRootObj, aCalculObj );
+          }
+
+          break;
+        }
+        case KIND_POLYLINEXY:
+        {
+          Handle(HYDROData_PolylineXY) aPolylineObj =
+            Handle(HYDROData_PolylineXY)::DownCast( anObj );
+          if( !aPolylineObj.IsNull() ) {
+            obj = createObject( aPolylineRootObj, aPolylineObj );
+          }
+
+          break;
+        }
+        case KIND_POLYLINE:
+        {
+          Handle(HYDROData_Polyline3D) aPolylineObj =
+            Handle(HYDROData_Polyline3D)::DownCast( anObj );
+          if( !aPolylineObj.IsNull() ) {
+            obj = createObject( aPolyline3DRootObj, aPolylineObj );
+          }
+
+          break;
+        }
+        case KIND_PROFILE:
+        {
+          Handle(HYDROData_Profile) aProfileObj =
+            Handle(HYDROData_Profile)::DownCast( anObj );
+          if( !aProfileObj.IsNull() ) {
+            obj = createObject( aProfileRootObj, aProfileObj );
+          }
+
+          break;
+        }
+        case KIND_VISUAL_STATE:
+        {
+          Handle(HYDROData_VisualState) aVisualStateObj =
+            Handle(HYDROData_VisualState)::DownCast( anObj );
+          if( !aVisualStateObj.IsNull() ) {
+            obj = createObject( aVisualStateRootObj, aVisualStateObj );
+          }
+
+          break;
+        }
+      }
+    }
   }
 
-  if( SUIT_DataBrowser* anObjectBrowser = anApp->objectBrowser() )
+  // Create default Strickler table object
+  if ( aNoStricklerTableObj == 0 )
+    createDefaultStricklerTable( aDocument, aStricklerTablesRootObj );
+
+  //if( SUIT_DataBrowser* anObjectBrowser = anApp->objectBrowser() )
+  //{
+  //  anObjectBrowser->setAutoOpenLevel( 3 );
+  //  anObjectBrowser->openLevels();
+  //}
+
+  HYDROGUI_DataModelSync aSync( aNewRootObj );
+  SUIT_DataObject* aRoot = root();
+  bool isNewDoc = aRoot==0;
+  if( isNewDoc )
+    aRoot = createRootModuleObject( aStudyRoot );
+  ::synchronize < suitPtr, suitPtr, HYDROGUI_DataModelSync >
+    ( aNewRootObj, aRoot, aSync );
+
+  SUIT_DataBrowser* ob = anApp->objectBrowser();
+
+  if ( !myStates.isEmpty() )
   {
-    anObjectBrowser->setAutoOpenLevel( 3 );
-    anObjectBrowser->openLevels();
+    ob->updateTree();
+    ob->setOpenStates( myStates, ENTRY_COLUMN );
+    myStates.clear();
   }
 }
 
-HYDROGUI_DataObject* HYDROGUI_DataModel::getDataObject( const Handle(HYDROData_Object)& theModelObject )
+HYDROGUI_DataObject* HYDROGUI_DataModel::getDataObject( const Handle(HYDROData_Entity)& theModelObject )
 {
-  return NULL; // to do if necessary
+  HYDROGUI_DataObject* aGuiObj = dynamic_cast<HYDROGUI_DataObject*>(
+    findObject( HYDROGUI_DataObject::dataObjectEntry( theModelObject ) ) );
+  return aGuiObj;
 }
 
 HYDROGUI_DataObject* HYDROGUI_DataModel::getReferencedDataObject( HYDROGUI_DataObject* theObject )
@@ -241,7 +511,8 @@ void HYDROGUI_DataModel::update( LightApp_DataObject* theObject,
 
 CAM_DataObject* HYDROGUI_DataModel::createRootModuleObject( SUIT_DataObject* theParent )
 {
-  CAM_DataObject* aRootObj = createModuleObject( theParent );
+  CAM_ModuleObject* aRootObj = createModuleObject( theParent );
+  aRootObj->setDataModel( this );
   setRoot( aRootObj );
   return aRootObj;
 }
@@ -253,21 +524,24 @@ void HYDROGUI_DataModel::updateModel()
     update( aModule->getStudyId() );
 }
 
-Handle(HYDROData_Object) HYDROGUI_DataModel::objectByEntry( const QString& theEntry,
+Handle(HYDROData_Entity) HYDROGUI_DataModel::objectByEntry( const QString& theEntry,
                                                             const ObjectKind theObjectKind )
 {
-  const int aStudyId = module()->application()->activeStudy()->id();
-  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( aStudyId );
+  QString anEntry = theEntry;
+  if( anEntry.indexOf( "_" ) != -1 ) // reference object
+    anEntry = anEntry.section( "_", -1 );
+
+  Handle(HYDROData_Document) aDocument = getDocument();
   if( !aDocument.IsNull() )
   {
     HYDROData_Iterator anIterator( aDocument, theObjectKind );
     for( ; anIterator.More(); anIterator.Next() )
     {
-      Handle(HYDROData_Object) anObject = anIterator.Current();
+      Handle(HYDROData_Entity) anObject = anIterator.Current();
       if( !anObject.IsNull() )
       {
-        QString anEntry = HYDROGUI_DataObject::dataObjectEntry( anObject );
-        if( anEntry == theEntry )
+        QString anEntryRef = HYDROGUI_DataObject::dataObjectEntry( anObject );
+        if( anEntryRef == anEntry )
           return anObject;
       }
     }
@@ -337,22 +611,524 @@ bool HYDROGUI_DataModel::redo()
   return true;
 }
 
+bool HYDROGUI_DataModel::canCopy()
+{
+  HYDROData_SequenceOfObjects aSeq = HYDROGUI_Tool::GetSelectedObjects( (HYDROGUI_Module*)module() );
+  bool isCanCopy = !aSeq.IsEmpty();
+
+  for ( Standard_Integer anIndex = 1, aLength = aSeq.Length(); anIndex <= aLength; anIndex++ ) {
+    Handle(HYDROData_Entity) anObject = aSeq.Value( anIndex );
+    if( !anObject.IsNull() ) {
+      ObjectKind aKind = anObject->GetKind();
+      bool isUnrecognized = aKind <= KIND_UNKNOWN || aKind > KIND_LAST;
+      bool isChildObject = aKind == KIND_DUMMY_3D || 
+                           aKind == KIND_ZONE ||
+                           aKind == KIND_SHAPES_GROUP || 
+                           aKind == KIND_SPLITTED_GROUP;
+      if ( isUnrecognized || isChildObject ) {
+        isCanCopy = false;
+        break;
+      }
+    }
+  }
+  
+  return isCanCopy;
+}
+
+bool HYDROGUI_DataModel::canPaste()
+{
+  for( int anIndex = 1, aLength = myCopyingObjects.Length(); anIndex <= aLength; anIndex++ )
+  {
+    Handle(HYDROData_Entity) anObject = myCopyingObjects.Value( anIndex );
+    if( !anObject.IsNull() && !anObject->IsRemoved() )
+      return true;
+  }
+  return false;
+}
+
+bool HYDROGUI_DataModel::copy()
+{
+  HYDROData_SequenceOfObjects aSeq = HYDROGUI_Tool::GetSelectedObjects( (HYDROGUI_Module*)module() );
+  changeCopyingObjects( aSeq );
+  return true;
+}
+
+bool HYDROGUI_DataModel::paste()
+{
+  bool anIsChanged = false;
+  for( int anIndex = 1, aLength = myCopyingObjects.Length(); anIndex <= aLength; anIndex++ )
+  {
+    Handle(HYDROData_Entity) anObject = myCopyingObjects.Value( anIndex );
+    if( !anObject.IsNull() && !anObject->IsRemoved() )
+    {
+      ObjectKind aKind = anObject->GetKind();
+      Handle(HYDROData_Entity) aClone = getDocument()->CreateObject( aKind );
+      if( !aClone.IsNull() )
+      {
+        anObject->CopyTo( aClone );
+        anIsChanged = true;
+
+        // remove Z layer
+        aClone->RemoveZLevel();
+      }
+    }
+  }
+  return anIsChanged;
+}
+
+void HYDROGUI_DataModel::changeCopyingObjects( const HYDROData_SequenceOfObjects& theSeq )
+{
+  myCopyingObjects.Assign( theSeq );
+}
+
+QString HYDROGUI_DataModel::partitionName( const ObjectKind theObjectKind )
+{
+  switch( theObjectKind )
+  {
+    case KIND_IMAGE:             return "IMAGES";
+    case KIND_POLYLINE:          return "POLYLINES_3D";
+    case KIND_POLYLINEXY:        return "POLYLINES";
+    case KIND_PROFILE:           return "PROFILES";
+    case KIND_VISUAL_STATE:      return "VISUAL_STATES";
+    case KIND_BATHYMETRY:        return "BATHYMETRIES";
+    case KIND_CALCULATION:       return "CALCULATION_CASES";
+    case KIND_OBSTACLE:          return "OBSTACLES";
+    case KIND_ARTIFICIAL_OBJECT: return "ARTIFICIAL_OBJECTS";
+    case KIND_NATURAL_OBJECT:    return "NATURAL_OBJECTS";
+    case KIND_STRICKLER_TABLE:   return "STRICKLER_TABLES";
+    case KIND_LAND_COVER:        return "LAND_COVERS";
+    default: break;
+  }
+  return QString();
+}
+
 Handle(HYDROData_Document) HYDROGUI_DataModel::getDocument() const
 {
   int aStudyId = module()->application()->activeStudy()->id();
   return HYDROData_Document::Document( aStudyId );
 }
 
-LightApp_DataObject* HYDROGUI_DataModel::createObject( SUIT_DataObject* theParent,
-                                                       Handle(HYDROData_Object) theModelObject )
+LightApp_DataObject* HYDROGUI_DataModel::createObject( SUIT_DataObject*         theParent,
+                                                       Handle(HYDROData_Entity) theModelObject,
+                                                       const QString&           theParentEntry,
+                                                       const bool               theIsBuildTree )
+{
+  HYDROGUI_DataObject* aResObj = new HYDROGUI_DataObject( theParent, theModelObject, theParentEntry );
+
+  const ObjectKind aKind = theModelObject->GetKind();
+  bool visibility = aKind == KIND_IMAGE || aKind == KIND_POLYLINEXY || aKind == KIND_POLYLINE ||
+                    aKind == KIND_SHAPES_GROUP || aKind == KIND_SPLITTED_GROUP || aKind == KIND_ZONE ||
+                    aKind == KIND_IMMERSIBLE_ZONE || aKind == KIND_REGION || aKind == KIND_BATHYMETRY ||
+                    aKind == KIND_OBSTACLE || aKind == KIND_STREAM || aKind == KIND_CHANNEL ||
+                    aKind == KIND_DIGUE || aKind == KIND_DUMMY_3D || aKind == KIND_LAND_COVER;
+  if ( !visibility )
+  {
+    Handle(HYDROData_Profile) aProfObj = Handle(HYDROData_Profile)::DownCast( theModelObject );
+    visibility = !aProfObj.IsNull() && aProfObj->IsValid();
+  }
+
+  if ( aKind == KIND_REGION )
+  {
+      QString an = aResObj->name();
+      int a = 0;
+  }
+
+  if ( visibility )
+  {
+    SUIT_AbstractModel* treeModel = 0;
+    LightApp_Application* app = dynamic_cast<LightApp_Application*>( module()->application() );
+    if ( app )
+        treeModel = dynamic_cast<SUIT_AbstractModel*>( app->objectBrowser()->model() );
+
+    if ( treeModel )
+    {
+      HYDROGUI_Module* aModule = dynamic_cast<HYDROGUI_Module*>( module() );
+      bool isVisible = aModule->isObjectVisible( -1, theModelObject );
+      Qtx::VisibilityState aVisState = isVisible ? Qtx::ShownState : Qtx::HiddenState;
+      treeModel->setVisibilityState( aResObj->text( aResObj->customData( Qtx::IdType ).toInt() ), aVisState, false );
+    }
+  }
+
+  if ( theIsBuildTree )
+  {
+    buildObjectTree( theParent, aResObj, theParentEntry );
+  }
+
+  return aResObj;
+}
+
+LightApp_DataObject* HYDROGUI_DataModel::buildObject( SUIT_DataObject*     theParent,
+                                                      HYDROGUI_DataObject* theObject,
+                                                      const QString&       theParentEntry,
+                                                      const bool           theIsBuildTree,
+                                                      const bool           theIsInOperation )
+{
+  if ( theIsBuildTree )
+  {
+    buildObjectTree( theParent, theObject, theParentEntry, theIsInOperation );
+  }
+  return theObject;
+}
+
+LightApp_DataObject* HYDROGUI_DataModel::createZone( SUIT_DataObject*       theParent,
+                                                     Handle(HYDROData_Zone) theModelObject,
+                                                     const QString&         theParentEntry,
+                                                     const bool             theIsBuildTree,
+                                                     const bool             theIsInOperation )
+{
+  return buildObject( theParent, new HYDROGUI_Zone( theParent, theModelObject, theParentEntry, theIsInOperation ), 
+    theParentEntry, theIsBuildTree, theIsInOperation );
+}
+
+LightApp_DataObject* HYDROGUI_DataModel::createRegion( SUIT_DataObject*         theParent,
+                                                       Handle(HYDROData_Region) theModelObject,
+                                                       const QString&           theParentEntry,
+                                                       const bool               theIsBuildTree,
+                                                       const bool               theIsInOperation )
 {
-  return new HYDROGUI_DataObject( theParent, theModelObject );
+  return buildObject( theParent, new HYDROGUI_Region( theParent, theModelObject, theParentEntry, theIsInOperation ), 
+    theParentEntry, theIsBuildTree, theIsInOperation );
+}
+
+void HYDROGUI_DataModel::createDefaultStricklerTable( const Handle(HYDROData_Document)& theDocument,
+                                                      LightApp_DataObject*              theParent )
+{
+  // Create default Strickler table object
+  Handle(HYDROData_StricklerTable) aStricklerTableObj =
+    Handle(HYDROData_StricklerTable)::DownCast( theDocument->CreateObject(KIND_STRICKLER_TABLE) );     
+  if ( !aStricklerTableObj.IsNull() )
+  {
+    SUIT_ResourceMgr* resMgr = module()->application()->resourceMgr();
+    QString defTablePath = resMgr->path( "resources", module()->name(), tr( "DEFAULT_STRICKLER_TABLE_FILE" ) );
+    aStricklerTableObj->Import( HYDROGUI_Tool::ToAsciiString( defTablePath ) );
+       // Set name
+    QString aStricklerTableName;
+    if ( aStricklerTableObj->GetName().isEmpty() )
+    {
+      HYDROGUI_Module* aModule = dynamic_cast<HYDROGUI_Module*>( module() );
+      if ( aModule )
+        aStricklerTableName = HYDROGUI_Tool::GenerateObjectName( aModule, tr( "DEFAULT_STRICKLER_TABLE_NAME" ) );
+    }
+    if ( aStricklerTableObj->GetName() != aStricklerTableName )
+      aStricklerTableObj->SetName( aStricklerTableName );
+
+    aStricklerTableObj->Update();
+
+    LightApp_DataObject* obj = createObject( theParent, aStricklerTableObj );
+  }
 }
 
 LightApp_DataObject* HYDROGUI_DataModel::createObject( SUIT_DataObject* theParent,
-                                                       const QString& theName )
+                                                       const QString&   theName,
+                                                       const QString&   theParentEntry )
 {
-  return new HYDROGUI_NamedObject( theParent, theName );
+  return new HYDROGUI_NamedObject( theParent, theName, theParentEntry );
+}
+
+void HYDROGUI_DataModel::buildObjectPartition( SUIT_DataObject*                   theObject,
+                                               const HYDROData_SequenceOfObjects& theObjects,
+                                               const QString&                     thePartName,
+                                               const bool                         theIsCreateEmpty )
+{
+  if ( theObjects.IsEmpty() && !theIsCreateEmpty )
+    return;
+
+  HYDROGUI_DataObject* aGuiObj = dynamic_cast<HYDROGUI_DataObject*>( theObject );
+  if ( !aGuiObj )
+    return;
+
+  LightApp_DataObject* aPartSect = 
+    createObject( aGuiObj, thePartName, aGuiObj->entry() );
+
+  HYDROData_SequenceOfObjects::Iterator anIter( theObjects );
+  for ( ; anIter.More(); anIter.Next() )
+  {
+    Handle(HYDROData_Entity) anObj = anIter.Value();
+    if( !anObj.IsNull() && !anObj->IsRemoved() )
+      createObject( aPartSect, anObj, aGuiObj->entry(), false );
+  }
+}
+
+void HYDROGUI_DataModel::buildObjectTree( SUIT_DataObject* theParent,
+                                          SUIT_DataObject* theObject,
+                                          const QString&   theParentEntry,
+                                          const bool       theIsInOperation )
+{
+  HYDROGUI_DataObject* aGuiObj = dynamic_cast<HYDROGUI_DataObject*>( theObject );
+  if ( !aGuiObj )
+    return;
+
+  Handle(HYDROData_Entity) aDataObj = aGuiObj->modelObject();
+  if ( aDataObj.IsNull() )
+    return;
+
+  if ( aDataObj->IsKind( STANDARD_TYPE(HYDROData_Object) ) )
+  {
+    Handle(HYDROData_Object) aGeomObj =
+      Handle(HYDROData_Object)::DownCast( aDataObj );
+
+    Handle(HYDROData_DummyObject3D) anObject3D = aGeomObj->GetObject3D();
+    if ( !anObject3D.IsNull() )
+      createObject( aGuiObj, anObject3D, "", false );
+
+#ifdef DEB_GROUPS
+    HYDROData_SequenceOfObjects anObjGroups = aGeomObj->GetGroups();
+    buildObjectPartition( aGuiObj, anObjGroups, tr( "OBJECT_GROUPS" ), false );
+#endif
+  }
+
+  ObjectKind anObjectKind = aDataObj->GetKind();
+
+  if ( anObjectKind == KIND_IMAGE )
+  {
+    Handle(HYDROData_Image) anImageObj =
+      Handle(HYDROData_Image)::DownCast( aDataObj );
+    for ( int anIndex = 0, aNbRef = anImageObj->NbReferences(); anIndex < aNbRef; anIndex++ )
+    {
+      Handle(HYDROData_Entity) aRefObj = anImageObj->Reference( anIndex );
+      if ( !aRefObj.IsNull() && !aRefObj->IsRemoved() )
+        createObject( aGuiObj, aRefObj, aGuiObj->entry(), false );
+    }
+  }
+  else if ( anObjectKind == KIND_IMMERSIBLE_ZONE )
+  {
+    Handle(HYDROData_ImmersibleZone) aZoneObj =
+      Handle(HYDROData_ImmersibleZone)::DownCast( aDataObj );
+
+    LightApp_DataObject* aPolylineSect = 
+      createObject( aGuiObj, tr( "ZONE_POLYLINE" ), aGuiObj->entry() );
+
+    Handle(HYDROData_PolylineXY) aPolyline = aZoneObj->GetPolyline();
+    if ( !aPolyline.IsNull() && !aPolyline->IsRemoved() )
+      createObject( aPolylineSect, aPolyline, aGuiObj->entry(), false );
+
+    LightApp_DataObject* aBathSect = 
+      createObject( aGuiObj, tr( "ZONE_BATHYMETRY" ), aGuiObj->entry() );
+
+    Handle(HYDROData_IAltitudeObject) anAltitudeObj = aZoneObj->GetAltitudeObject();
+    if ( !anAltitudeObj.IsNull() && !anAltitudeObj->IsRemoved() )
+      createObject( aBathSect, anAltitudeObj, aGuiObj->entry(), false );
+  }
+  else if ( anObjectKind == KIND_POLYLINE )
+  {
+    Handle(HYDROData_Polyline3D) aPolyline3D =
+      Handle(HYDROData_Polyline3D)::DownCast( aDataObj );
+
+    LightApp_DataObject* aPolylineSect = 
+      createObject( aGuiObj, tr( "POLYLINE3D_POLYLINE" ), aGuiObj->entry() );
+
+    Handle(HYDROData_PolylineXY) aPolylineXY = aPolyline3D->GetPolylineXY();
+    if ( !aPolylineXY.IsNull() && !aPolylineXY->IsRemoved() )
+      createObject( aPolylineSect, aPolylineXY, aGuiObj->entry(), false );
+
+    LightApp_DataObject* aProfileSect = 
+      createObject( aGuiObj, tr( "POLYLINE3D_PROFILE" ), aGuiObj->entry() );
+
+    Handle(HYDROData_ProfileUZ) aProfileUZ = aPolyline3D->GetProfileUZ();
+    if ( aProfileUZ.IsNull() || aProfileUZ->IsRemoved() )
+      aProfileUZ = aPolyline3D->GetChildProfileUZ( false );
+
+    if ( !aProfileUZ.IsNull() && !aProfileUZ->IsRemoved() )
+    {
+      Handle(HYDROData_Profile) aProfile = 
+        Handle(HYDROData_Profile)::DownCast( aProfileUZ->GetFatherObject() );
+      if ( !aProfile.IsNull() && !aProfile->IsRemoved() )
+        createObject( aProfileSect, aProfile, aGuiObj->entry(), false );
+    }
+
+    LightApp_DataObject* aBathSect = 
+      createObject( aGuiObj, tr( "POLYLINE3D_BATHYMETRY" ), aGuiObj->entry() );
+
+    Handle(HYDROData_IAltitudeObject) anAltitudeObj = aPolyline3D->GetAltitudeObject();
+    if ( !anAltitudeObj.IsNull() && !anAltitudeObj->IsRemoved() )
+      createObject( aBathSect, anAltitudeObj, aGuiObj->entry(), false );
+  }
+  else if ( anObjectKind == KIND_CALCULATION )
+  {
+    Handle(HYDROData_CalculationCase) aCaseObj =
+      Handle(HYDROData_CalculationCase)::DownCast( aDataObj );
+
+    LightApp_DataObject* aPolylineSect = 
+      createObject( aGuiObj, tr( "CASE_BOUNDARY" ), aGuiObj->entry() );
+
+    Handle(HYDROData_PolylineXY) aPolyline = aCaseObj->GetBoundaryPolyline();
+    if ( !aPolyline.IsNull() && !aPolyline->IsRemoved() )
+      createObject( aPolylineSect, aPolyline, aGuiObj->entry(), false );
+
+    LightApp_DataObject* aCaseAOSect = 
+      createObject( aGuiObj, tr( partitionName( KIND_ARTIFICIAL_OBJECT ).toAscii() ),
+                    aGuiObj->entry() );
+    LightApp_DataObject* aCaseNOSect = 
+      createObject( aGuiObj, tr( partitionName( KIND_NATURAL_OBJECT ).toAscii() ),
+                    aGuiObj->entry() );
+
+    HYDROData_SequenceOfObjects aSeq = aCaseObj->GetGeometryObjects();
+    HYDROData_SequenceOfObjects::Iterator aGOIter( aSeq );
+    Handle(HYDROData_Entity) anEntity;
+    Handle(HYDROData_ArtificialObject) anAObject;
+    Handle(HYDROData_NaturalObject) aNObject;
+    for ( ; aGOIter.More(); aGOIter.Next() )
+    {
+      anEntity = aGOIter.Value();
+      if ( anEntity.IsNull() )
+        continue;
+      anAObject = Handle(HYDROData_ArtificialObject)::DownCast( anEntity );
+      if ( !anAObject.IsNull() )
+        createObject( aCaseAOSect, anAObject, aGuiObj->entry(), false );
+      else
+      {
+        aNObject = Handle(HYDROData_NaturalObject)::DownCast( anEntity );
+        if ( !aNObject.IsNull() )
+          createObject( aCaseNOSect, aNObject, aGuiObj->entry(), false );
+      }
+    }
+    LightApp_DataObject* aCaseRegionsSect = 
+      createObject( aGuiObj, tr( "CASE_REGIONS" ), aGuiObj->entry() );
+
+    HYDROData_SequenceOfObjects aCaseRegions = aCaseObj->GetRegions();
+    HYDROData_SequenceOfObjects::Iterator anIter( aCaseRegions );
+    for ( ; anIter.More(); anIter.Next() )
+    {
+      Handle(HYDROData_Region) aCaseRegion =
+        Handle(HYDROData_Region)::DownCast( anIter.Value() );
+      if( !aCaseRegion.IsNull() && !aCaseRegion->IsRemoved() )
+        createRegion( aCaseRegionsSect, aCaseRegion, "", true, theIsInOperation );
+    }
+
+#ifdef DEB_GROUPS
+    HYDROData_SequenceOfObjects aCalcGroups = aCaseObj->GetGeometryGroups();
+    buildObjectPartition( aGuiObj, aCalcGroups, tr( "OBJECT_GROUPS" ), false );
+
+    HYDROData_SequenceOfObjects aCalcSplitGroups = aCaseObj->GetSplittedGroups();
+    buildObjectPartition( aGuiObj, aCalcSplitGroups, tr( "CASE_SPLITTED_GROUPS" ), false );
+#endif
+
+  }
+  else if ( anObjectKind == KIND_REGION )
+  {
+    Handle(HYDROData_Region) aRegionObj =
+      Handle(HYDROData_Region)::DownCast( aDataObj );
+
+    HYDROData_SequenceOfObjects aRegionZones = aRegionObj->GetZones();
+    HYDROData_SequenceOfObjects::Iterator anIter( aRegionZones );
+    for ( ; anIter.More(); anIter.Next() )
+    {
+      Handle(HYDROData_Zone) aRegionZone =
+        Handle(HYDROData_Zone)::DownCast( anIter.Value() );
+      if( !aRegionZone.IsNull() && !aRegionZone->IsRemoved() )
+        createZone( aGuiObj, aRegionZone, "", true, theIsInOperation );
+    }
+  }
+  else if ( anObjectKind == KIND_PROFILE )
+  {
+    Handle(HYDROData_Profile) aProfileObj =
+      Handle(HYDROData_Profile)::DownCast( aDataObj );
+
+    aGuiObj->setIsValid( aProfileObj->IsValid() );
+  }
+  else if ( anObjectKind == KIND_CHANNEL || anObjectKind == KIND_DIGUE )
+  {
+    Handle(HYDROData_Channel) aChannelObj =
+      Handle(HYDROData_Channel)::DownCast( aDataObj );
+
+    LightApp_DataObject* aGuideLineSect = 
+      createObject( aGuiObj, tr( "CHANNEL_GUIDE_LINE" ), aGuiObj->entry() );
+    Handle(HYDROData_Polyline3D) aGuideLine = aChannelObj->GetGuideLine();
+    if ( !aGuideLine.IsNull() && !aGuideLine->IsRemoved() ) {
+      createObject( aGuideLineSect, aGuideLine, aGuiObj->entry(), false );
+    }
+
+    LightApp_DataObject* aProfileSect = 
+      createObject( aGuiObj, tr( "CHANNEL_PROFILE" ), aGuiObj->entry() );
+    Handle(HYDROData_Profile) aProfile = aChannelObj->GetProfile();
+    if ( !aProfile.IsNull() && !aProfile->IsRemoved() ) {
+      createObject( aProfileSect, aProfile, aGuiObj->entry(), false );
+    }
+  }
+  else if ( anObjectKind == KIND_STREAM )
+  {
+    Handle(HYDROData_Stream) aStreamObj =
+      Handle(HYDROData_Stream)::DownCast( aDataObj );
+
+    LightApp_DataObject* aHydraulicAxisSect = 
+      createObject( aGuiObj, tr( "STREAM_HYDRAULIC_AXIS" ), aGuiObj->entry() );
+    Handle(HYDROData_PolylineXY) aHydraulicAxis = aStreamObj->GetHydraulicAxis();
+    if ( !aHydraulicAxis.IsNull() && !aHydraulicAxis->IsRemoved() ) {
+      createObject( aHydraulicAxisSect, aHydraulicAxis, aGuiObj->entry(), false );
+    }
+
+    HYDROData_SequenceOfObjects aProfiles = aStreamObj->GetProfiles();
+    buildObjectPartition( aGuiObj, aProfiles, tr( "STREAM_PROFILES" ), true );
+
+    Handle(HYDROData_Polyline3D) aBottomPolyline = aStreamObj->GetBottomPolyline();
+    if ( !aBottomPolyline.IsNull() && !aBottomPolyline->IsRemoved() ) {
+      createObject( aGuiObj, aBottomPolyline, aGuiObj->entry(), false );
+    }
+  }
+}
+
+void HYDROGUI_DataModel::buildCaseTree( SUIT_DataObject* theParent, Handle(HYDROData_CalculationCase) theCase )
+{
+  if ( !theCase.IsNull() )
+  {
+    if ( theParent )
+    {
+      // Remove previous objects tree
+        DataObjectList aList;
+        theParent->children( aList );
+        QListIterator<SUIT_DataObject*> anIter( aList );
+        while( anIter.hasNext() )
+          removeChild( theParent, anIter.next() );
+    }
+
+    new HYDROGUI_DropTargetObject( theParent, tr( "NEW_REGION" ), "", true );
+
+    HYDROData_SequenceOfObjects aCaseRegions = theCase->GetRegions();
+    HYDROData_SequenceOfObjects::Iterator anIter( aCaseRegions );
+    for ( ; anIter.More(); anIter.Next() )
+    {
+      Handle(HYDROData_Region) aCaseRegion =
+        Handle(HYDROData_Region)::DownCast( anIter.Value() );
+      if( !aCaseRegion.IsNull() && !aCaseRegion->IsRemoved() )
+        createRegion( theParent, aCaseRegion, "", true, true );
+    }
+  }
+}
+
+void HYDROGUI_DataModel::updateObjectTree( Handle(HYDROData_Entity)& theObj )
+{
+  if ( !theObj.IsNull() )
+  {
+    HYDROGUI_DataObject* aGuiObj = dynamic_cast<HYDROGUI_DataObject*>(
+      findObject( HYDROGUI_DataObject::dataObjectEntry( theObj ) ) );
+    if ( aGuiObj )
+    {
+      // Remove previous objects tree
+      DataObjectList aList;
+      aGuiObj->children( aList );
+      QListIterator<SUIT_DataObject*> anIter( aList );
+      while( anIter.hasNext() )
+        removeChild( aGuiObj, anIter.next() );
+
+      // Rebuild the subtree
+      QString aParentEntry;
+      HYDROGUI_DataObject* aParent = dynamic_cast<HYDROGUI_DataObject*>( aGuiObj->parent() );
+      if ( aParent )
+      {
+        aParentEntry = aParent->entry();
+      }
+      buildObjectTree( aParent, aGuiObj, aParentEntry, aGuiObj->isInOperation() );
+    } 
+    else
+    {
+      // workaround for the bug in SalomeApp_Study::findObjectByEntry - it can't find LightApp_DataObjects
+      HYDROGUI_Module* aModule = dynamic_cast<HYDROGUI_Module*>( module() );
+      if( aModule )
+      {
+        aModule->getApp()->updateObjectBrowser();
+      }
+    }
+  }
 }
 
 void HYDROGUI_DataModel::removeChild( SUIT_DataObject* theParent,
@@ -376,3 +1152,54 @@ SUIT_DataObject* HYDROGUI_DataModel::findChildByName( const SUIT_DataObject* the
   }
   return NULL; // not found
 }
+
+bool HYDROGUI_DataModel::createNewRegion( Handle(HYDROData_CalculationCase) theCase, 
+                                         const QList<HYDROGUI_Zone*>& theZonesList )
+{
+  bool isOk = !theCase.IsNull();
+  if ( isOk )
+  {
+    Handle(HYDROData_Region) aRegion;
+    Handle(HYDROData_Zone) aZone;
+    for (int i = 0; i < theZonesList.length(); i++ )
+    {
+      aZone = Handle(HYDROData_Zone)::DownCast( theZonesList.at(i)->modelObject() );
+      if ( !aZone.IsNull() )
+      {
+        if ( aRegion.IsNull() )
+        {
+          aRegion = theCase->AddNewRegion( aZone );
+          isOk = !aRegion.IsNull();
+        }
+        else
+        {
+          if ( !( aRegion->AddZone( aZone ) ) )
+          {
+            isOk = false;
+          }
+        }
+      }
+    }
+  }
+  return isOk;
+}
+
+bool HYDROGUI_DataModel::rename( Handle(HYDROData_Entity) theEntity, const QString& theName )
+{
+  if ( theName.isEmpty() )
+    return false;
+
+  try 
+  {
+    getDocument()->StartOperation();
+    theEntity->SetName( theName );
+    getDocument()->CommitOperation( HYDROGUI_Tool::ToExtString( tr("RENAME_TO").arg( theName ) ) );
+    module()->application()->activeStudy()->Modified();
+  }
+  catch ( Standard_Failure )
+  {
+    getDocument()->AbortOperation();
+    return false;
+  }
+  return true;
+}