#include <cpPlugins/Interface/ProcessObject.h>

#ifdef cpPlugins_Interface_QT4
#include <QApplication>
#include <cpPlugins/Interface/ParametersQtDialog.h>
#endif // cpPlugins_Interface_QT4

#include <vtkRenderWindowInteractor.h>

// -------------------------------------------------------------------------
void cpPlugins::Interface::ProcessObject::
Modified( ) const
{
  if( this->m_ITKObject.IsNotNull( ) )
    this->m_ITKObject->Modified( );
  if( this->m_VTKObject.GetPointer( ) != NULL )
    this->m_VTKObject->Modified( );
  this->Superclass::Modified( );
}

// -------------------------------------------------------------------------
void cpPlugins::Interface::ProcessObject::
GetInputsNames( std::set< std::string >& names ) const
{
  names.clear( );
  auto dIt = this->m_Inputs.begin( );
  for( ; dIt != this->m_Inputs.end( ); ++dIt )
    names.insert( dIt->first );
}

// -------------------------------------------------------------------------
void cpPlugins::Interface::ProcessObject::
GetOutputsNames( std::set< std::string >& names ) const
{
  names.clear( );
  auto dIt = this->m_Outputs.begin( );
  for( ; dIt != this->m_Outputs.end( ); ++dIt )
    names.insert( dIt->first );
}

// -------------------------------------------------------------------------
bool cpPlugins::Interface::ProcessObject::
SetOutputObjectName(
  const std::string& new_object_name, const std::string& output_name
  )
{
  auto oIt = this->m_Outputs.find( output_name );
  if( oIt != this->m_Outputs.end( ) )
  {
    this->m_OutputObjectsNames[ output_name ] = new_object_name;
    this->Modified( );
    return( true );
  }
  else
    return( false );
}

// -------------------------------------------------------------------------
void cpPlugins::Interface::ProcessObject::
SetInput( const std::string& id, cpPlugins::Interface::DataObject* dobj )
{
  _TDataContainer::iterator i = this->m_Inputs.find( id );
  if( i != this->m_Inputs.end( ) )
  {
    i->second = dobj;
    this->Modified( );

  } // fi
}

// -------------------------------------------------------------------------
std::string cpPlugins::Interface::ProcessObject::
Update( )
{
  std::string r = "";

  // Force upstream updates
  _TDataContainer::iterator i = this->m_Inputs.begin( );
  for( ; i != this->m_Inputs.end( ) && r == ""; ++i )
  {
    Self* src = dynamic_cast< Self* >( i->second->GetSource( ) );
    if( src != NULL )
      r = src->Update( );

  } // rof

  // Current update
  if( r == "" )
    r = this->_GenerateData( );

  // Configure output names
  auto oIt = this->m_Outputs.begin( );
  for( ; oIt != this->m_Outputs.end( ); ++oIt )
  {
    auto nIt = this->m_OutputObjectsNames.find( oIt->first );
    if( nIt != this->m_OutputObjectsNames.end( ) )
      oIt->second->SetName( nIt->second );

  } // rof

  // Return error description, if any
  return( r );
}

// -------------------------------------------------------------------------
void cpPlugins::Interface::ProcessObject::
DisconnectOutputs( )
{
  _TDataContainer::iterator i = this->m_Outputs.begin( );
  for( ; i != this->m_Outputs.end( ); ++i )
    if( i->second.IsNotNull( ) )
      i->second->DisconnectPipeline( );
}

// -------------------------------------------------------------------------
void cpPlugins::Interface::ProcessObject::
AddInteractor( vtkRenderWindowInteractor* interactor )
{
#ifdef cpPlugins_Interface_QT4
  if( this->m_ParametersDialog == NULL )
    this->m_ParametersDialog = new ParametersQtDialog( );
  this->m_ParametersDialog->addInteractor( interactor );
#endif // cpPlugins_Interface_QT4
  this->m_Interactors.insert( interactor );
}

// -------------------------------------------------------------------------
cpPlugins::Interface::ProcessObject::
DialogResult cpPlugins::Interface::ProcessObject::
ExecConfigurationDialog( QWidget* parent )
{
  DialogResult r = Self::DialogResult_Cancel;

#ifdef cpPlugins_Interface_QT4

  if( QApplication::instance( ) != NULL )
  {
    if( this->m_ParametersDialog == NULL )
      this->m_ParametersDialog = new ParametersQtDialog( );
    this->m_ParametersDialog->setTitle(
      this->GetClassName( ) + std::string( " basic configuration" )
      );

    this->m_ParametersDialog->setParent( NULL );
    this->m_ParametersDialog->setParameters( this->m_Parameters );

    if( !( this->m_ParametersDialog->IsModal( ) ) )
    {
      this->m_ParametersDialog->show( );
      r = Self::DialogResult_Modal;
    }
    else
    {
      if( this->m_ParametersDialog->exec( ) == 1 )
        r = Self::DialogResult_NoModal;
      else
        r = Self::DialogResult_Cancel;

    } // fi
  }
  else
    r = Self::DialogResult_Cancel;

#endif // cpPlugins_Interface_QT4

  return( r );
}

// -------------------------------------------------------------------------
cpPlugins::Interface::ProcessObject::
ProcessObject( )
  : Superclass( ),
    m_ITKObject( NULL ),
    m_VTKObject( NULL ),
    m_ParametersDialog( NULL ),
    m_Plugins( NULL )
{
  this->m_Parameters = TParameters::New( );
  this->m_Parameters->SetProcessObject( this );
}

// -------------------------------------------------------------------------
cpPlugins::Interface::ProcessObject::
~ProcessObject( )
{
  if( this->m_ParametersDialog != NULL )
    delete this->m_ParametersDialog;
}

// -------------------------------------------------------------------------
void cpPlugins::Interface::ProcessObject::
_AddInput( const std::string& name )
{
  this->m_Inputs[ name ] = NULL;
  this->Modified( );
}

// -------------------------------------------------------------------------
CPPLUGINS_PROVIDER_SOURCE( cpPlugins::Interface::ProcessObject, 1, 1 );

// eof - $RCSfile$