IPAL54414: MED file info is not persistent

src/SMESHGUI/SMESHGUI_FileInfoDlg.cxx

@@ -39,6 +39,7 @@ SMESHGUI_FileInfoDlg::SMESHGUI_FileInfoDlg( QWidget* parent, SMESH::MedFileInfo*
   fsize->setReadOnly( true );
   QLineEdit* medversion = new QLineEdit( mainFrame() );
   medversion->setReadOnly( true );
+  QLabel* medversionlabel = new QLabel( tr( "MED_VERSION" ), mainFrame() );
   fname->setMinimumWidth( 300 );
 
   QGridLayout* lay = new QGridLayout( mainFrame() );
@@ -47,13 +48,15 @@ SMESHGUI_FileInfoDlg::SMESHGUI_FileInfoDlg( QWidget* parent, SMESH::MedFileInfo*
   lay->addWidget( fname, 0, 1 );
   lay->addWidget( new QLabel( tr( "FILE_SIZE" ), mainFrame() ), 1, 0 );
   lay->addWidget( fsize, 1, 1 );
-  lay->addWidget( new QLabel( tr( "MED_VERSION" ), mainFrame() ), 2, 0 );
+  lay->addWidget( medversionlabel, 2, 0 );
   lay->addWidget( medversion, 2, 1 );
 
   fname->setText( (char*)inf->fileName );
   fname->home( false );
   fsize->setText( QString::number( inf->fileSize ) );
 
+  if ( fname->text().endsWith("med"))
+  {
     QString version;
     if( inf->major>=0 )
     {
@@ -67,6 +70,12 @@ SMESHGUI_FileInfoDlg::SMESHGUI_FileInfoDlg( QWidget* parent, SMESH::MedFileInfo*
     }
     medversion->setText( version );
   }
+  else
+  {
+    medversionlabel->hide();
+    medversion->hide();
+  }
+}
 
 SMESHGUI_FileInfoDlg::~SMESHGUI_FileInfoDlg()
 {

src/SMESHGUI/SMESH_msg_en.ts

@@ -4321,7 +4321,7 @@ Use Display Entity menu command to show them.
     </message>
     <message>
         <source>MEN_FILE_INFO</source>
-        <translation>MED File Information</translation>
+        <translation>File Information</translation>
     </message>
     <message>
         <source>SMESH_WRN_NO_APPROPRIATE_SELECTION</source>

src/SMESH_I/SMESH_Gen_i.cxx

@@ -3075,7 +3075,6 @@ SALOMEDS::TMPFile* SMESH_Gen_i::Save( SALOMEDS::SComponent_ptr theComponent,
             myMesh->Load(); // load from study file if not yet done
             TPythonDump pd; // not to dump GetGroups()
             SMESH::ListOfGroups_var groups = myMesh->GetGroups();
-            pd << ""; // to avoid optimizing pd out
             for ( CORBA::ULong i = 0; i < groups->length(); ++i )
             {
               SMESH_GroupBase_i* grImpl = SMESH::DownCast<SMESH_GroupBase_i*>( groups[i]);
@@ -3329,6 +3328,17 @@ SALOMEDS::TMPFile* SMESH_Gen_i::Save( SALOMEDS::SComponent_ptr theComponent,
               }
             }
 
+            // Store file info
+            std::string info = myImpl->FileInfoToString();
+            if ( !info.empty() )
+            {
+              aSize[ 0 ] = info.size();
+              aDataset = new HDFdataset( "file info", aTopGroup, HDF_STRING, aSize, 1 );
+              aDataset->CreateOnDisk();
+              aDataset->WriteOnDisk( (char*) info.data() );
+              aDataset->CloseOnDisk();
+            }
+
             // write applied hypotheses if exist
             SALOMEDS::SObject_wrap myHypBranch;
             found = gotBranch->FindSubObject( GetRefOnAppliedHypothesisTag(), myHypBranch.inout() );
@@ -4353,6 +4363,18 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
             myNewMeshImpl->GetImpl().GetMeshDS()->SetPersistentId( *meshPersistentId );
             delete [] meshPersistentId;
           }
+
+          // Restore file info
+          if ( aTopGroup->ExistInternalObject( "file info" ))
+          {
+            aDataset = new HDFdataset( "file info", aTopGroup );
+            aDataset->OpenOnDisk();
+            size = aDataset->GetSize();
+            std::string info( size, ' ');
+            aDataset->ReadFromDisk( (char*) info.data() );
+            aDataset->CloseOnDisk();
+            myNewMeshImpl->FileInfoFromString( info );
+          }
         }
       }
     } // reading MESHes

src/SMESH_I/SMESH_Mesh_i.cxx

@@ -445,6 +445,13 @@ SMESH::DriverMED_ReadStatus SMESH_Mesh_i::ImportCGNSFile( const char*  theFileNa
 
   CreateGroupServants();
 
+  _medFileInfo           = new SMESH::MedFileInfo();
+  _medFileInfo->fileName = theFileName;
+  _medFileInfo->major    = 0;
+  _medFileInfo->minor    = 0;
+  _medFileInfo->release  = 0;
+  _medFileInfo->fileSize = SMESH_File( theFileName ).size();
+
   return ConvertDriverMEDReadStatus(status);
 }
 
@@ -466,6 +473,13 @@ int SMESH_Mesh_i::ImportUNVFile( const char* theFileName )
 
   CreateGroupServants();
 
+  _medFileInfo           = new SMESH::MedFileInfo();
+  _medFileInfo->fileName = theFileName;
+  _medFileInfo->major    = 0;
+  _medFileInfo->minor    = 0;
+  _medFileInfo->release  = 0;
+  _medFileInfo->fileSize = SMESH_File( theFileName ).size();
+
   SMESH_CATCH( SMESH::throwCorbaException );
 
   return 1;
@@ -490,6 +504,12 @@ int SMESH_Mesh_i::ImportSTLFile( const char* theFileName )
     SALOMEDS::SObject_wrap meshSO = _gen_i->ObjectToSObject( _this() );
     _gen_i->SetName( meshSO, name.c_str() );
   }
+  _medFileInfo           = new SMESH::MedFileInfo();
+  _medFileInfo->fileName = theFileName;
+  _medFileInfo->major    = 0;
+  _medFileInfo->minor    = 0;
+  _medFileInfo->release  = 0;
+  _medFileInfo->fileSize = SMESH_File( theFileName ).size();
 
   SMESH_CATCH( SMESH::throwCorbaException );
 
@@ -528,6 +548,13 @@ SMESH::ComputeError* SMESH_Mesh_i::ImportGMFFile( const char* theFileName,
 
   error = _impl->GMFToMesh( theFileName, theMakeRequiredGroups );
 
+  _medFileInfo           = new SMESH::MedFileInfo();
+  _medFileInfo->fileName = theFileName;
+  _medFileInfo->major    = 0;
+  _medFileInfo->minor    = 0;
+  _medFileInfo->release  = 0;
+  _medFileInfo->fileSize = SMESH_File( theFileName ).size();
+
   SMESH_CATCH( exceptionToComputeError );
 #undef SMESH_CAUGHT
 #define SMESH_CAUGHT
@@ -5050,6 +5077,48 @@ SMESH::MedFileInfo* SMESH_Mesh_i::GetMEDFileInfo()
   return res._retn();
 }
 
+//=======================================================================
+//function : FileInfoToString
+//purpose  : Persistence of file info
+//=======================================================================
+
+std::string SMESH_Mesh_i::FileInfoToString()
+{
+  std::string s;
+  if ( &_medFileInfo.in() && _medFileInfo->fileName[0] )
+  {
+    s = SMESH_Comment( _medFileInfo->fileSize )
+      << " " << _medFileInfo->major
+      << " " << _medFileInfo->minor
+      << " " << _medFileInfo->release
+      << " " << _medFileInfo->fileName;
+  }
+  return s;
+}
+
+//=======================================================================
+//function : FileInfoFromString
+//purpose  : Persistence of file info
+//=======================================================================
+
+void SMESH_Mesh_i::FileInfoFromString(const std::string& info)
+{
+  std::string size, major, minor, release, fileName;
+  std::istringstream is(info);
+  is >> size >> major >> minor >> release;
+  fileName = info.data() + ( size.size()   + 1 +
+                             major.size()  + 1 +
+                             minor.size()  + 1 +
+                             release.size()+ 1 );
+
+  _medFileInfo           = new SMESH::MedFileInfo();
+  _medFileInfo->fileName = fileName.c_str();
+  _medFileInfo->fileSize = atoi( size.c_str() );
+  _medFileInfo->major    = atoi( major.c_str() );
+  _medFileInfo->minor    = atoi( minor.c_str() );
+  _medFileInfo->release  = atoi( release.c_str() );
+}
+
 //=============================================================================
 /*!
  * \brief Pass names of mesh groups from study to mesh DS

src/SMESH_I/SMESH_Mesh_i.hxx

@@ -594,6 +594,12 @@ public:
    */
   virtual SMESH::MedFileInfo* GetMEDFileInfo();
 
+  /*!
+   * Persistence of file info
+   */
+  std::string FileInfoToString();
+  void FileInfoFromString(const std::string& info);
+
   /*!
    * Sets list of notebook variables used for Mesh operations separated by ":" symbol
    */