// 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
//
// 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
//

%ExportedHeaderCode
#include <HYDROData_Document.h>
%End

%ModuleHeaderCode
HYDROData_Object* copyObject( HYDROData_Object* theObject );
Handle(HYDROData_Object) createHandle( HYDROData_Object* theObject );
HYDROData_Object* createPointer( const Handle(HYDROData_Object)& theObject );
%End

enum Data_DocError {
  DocError_OK = 0, ///< success
  DocError_ResourcesProblem, ///< resources files are invalid or not found
  DocError_CanNotOpen, ///< can not open file for reading or writing
  DocError_InvalidVersion, ///< version of document is different than expected
  DocError_InvalidFormat, ///< format of the document is bad
  DocError_UnknownProblem ///< problem has unknown nature
};

class HYDROData_Document
{
%TypeHeaderCode
#include <HYDROData_Document.h>
%End

%ConvertToSubClassCode
    if ( !Handle(HYDROData_Document)::DownCast( sipCpp ).IsNull() )
      sipClass = sipClass_HYDROData_Document;
    else
      sipClass = NULL;
%End

%TypeCode

  HYDROData_Object* copyObject( HYDROData_Object* theObject )
  {
    HYDROData_Object* aRes = NULL;
    if ( theObject == NULL )
      return aRes;

    switch( theObject->GetKind() )
    {
      case KIND_BATHYMETRY:
      {
        aRes = new HYDROData_Bathymetry( *dynamic_cast<HYDROData_Bathymetry*>( theObject ) );
        break;
      }
      case KIND_IMAGE:
      {
        aRes = new HYDROData_Image( *dynamic_cast<HYDROData_Image*>( theObject ) );
        break;
      }
    }
    
    return aRes;
  }
  
  Handle(HYDROData_Object) createHandle( HYDROData_Object* theObject )
  {
    Handle(HYDROData_Object) aRes = copyObject( theObject );
    return aRes;
  }
  
  HYDROData_Object* createPointer( const Handle(HYDROData_Object)& theObject )
  {
    HYDROData_Object* aRes = NULL;
    
    if ( !theObject.IsNull() )
      aRes = copyObject( theObject.operator->() );
    
    return aRes;
  }

%End

public:

  //! Returns the existing document or creates new if it is not exist
  static HYDROData_Document Document( const int theStudyID ) [Handle_HYDROData_Document (const int)] ;
  %MethodCode

    Handle(HYDROData_Document) aDocument;

    Py_BEGIN_ALLOW_THREADS
    aDocument = HYDROData_Document::Document( a0 );
    Py_END_ALLOW_THREADS

    if ( !aDocument.IsNull() )
      sipRes = aDocument.operator->();

  %End

  //! Returns true if data model contains document for this study
  static bool HasDocument( const int theStudyID );

  //! Loads the OCAF document from the file.
  //! \param theFileName full name of the file to load
  //! \param theStudyID identifier of the SALOME study to associate with loaded file
  //! \returns error status (OK in case of success)
  static Data_DocError Load( const char* theFileName, const int theStudyID );

  //! Saves the OCAF document to the file.
  //! \param theFileName full name of the file to store
  //! \returns error status (OK in case of success)
  Data_DocError Save( const char* theFileName );

  //! Removes document data
  void Close();

  //! Starts a new operation (opens a tansaction)
  void StartOperation();
  
  //! Finishes the previously started operation (closes the transaction)
  //void CommitOperation(
  //  const TCollection_ExtendedString& theName = TCollection_ExtendedString() );
    
  //! Aborts the operation 
  void AbortOperation();
  
  //! Returns true if operation has been started, but not yet finished or aborted
  bool IsOperation();
  
  //! Returns true if document was modified (since creation/opening)
  bool IsModified();

  //! Returns True if there are available Undos
  bool CanUndo();
  
  //! Returns a list of stored undo actions
  //const TDF_DeltaList& GetUndos();
  
  //! Clears a list of stored undo actions
  void ClearUndos();
  
  //! Undoes last operation
  void Undo();

  //! Returns True if there are available Redos
  bool CanRedo();
  
  //! Returns a list of stored undo actions
  //const TDF_DeltaList& GetRedos();
  
  //! Clears a list of stored undo actions
  void ClearRedos();
  
  //! Redoes last operation
  void Redo();

  //! Creates and locates in the document a new object
  //! \param theKind kind of the created object, can not be UNKNOWN
  //! \returns the created object
  HYDROData_Object CreateObject( const ObjectKind theKind ) [Handle_HYDROData_Object (const ObjectKind)] ;
  %MethodCode

    Handle(HYDROData_Object) anObject;
    Py_BEGIN_ALLOW_THREADS
    anObject =  sipSelfWasArg ? sipCpp->HYDROData_Document::CreateObject( a0 ) :
                                sipCpp->CreateObject( a0 );
    Py_END_ALLOW_THREADS

    sipRes = createPointer( anObject );
    
  %End

protected:

  //! Creates new document: private because "Document" method must be used instead of direct creation.
  HYDROData_Document();
  
  //! Deletes all high-level data, managed this document
  ~HYDROData_Document();

};