#ifndef __CPPLUGINS__INTERFACE__PROCESSOBJECT__H__
#define __CPPLUGINS__INTERFACE__PROCESSOBJECT__H__

#include <cpPlugins/Interface/cpPlugins_Interface_Export.h>
#include <cpPlugins/Interface/Config.h>
#include <cpPlugins/Interface/Object.h>
#include <cpPlugins/Interface/DataObject.h>
#include <cpPlugins/Interface/Parameters.h>

#ifdef cpPlugins_Interface_QT4
class QWidget;
#else
typedef char QWidget
#endif // cpPlugins_Interface_QT4

#include <itkProcessObject.h>

class vtkAlgorithm;

namespace cpPlugins
{
  namespace Interface
  {
    /**
     */
    class cpPlugins_Interface_EXPORT ProcessObject
      : public Object
    {
    public:
      typedef ProcessObject                   Self;
      typedef Object                          Superclass;
      typedef itk::SmartPointer< Self >       Pointer;
      typedef itk::SmartPointer< const Self > ConstPointer;

    public:
      itkTypeMacro( ProcessObject, Object );

    public:
      virtual vtkAlgorithm* GetVTKAlgorithm( )
      { return( NULL ); }
      virtual const vtkAlgorithm* GetVTKAlgorithm( ) const
      { return( NULL ); }

      virtual const Parameters& GetDefaultParameters( ) const;
      virtual void SetParameters( const Parameters& params );

      virtual unsigned int GetNumberOfInputs( ) const;
      virtual unsigned int GetNumberOfOutputs( ) const;

      virtual void SetNumberOfInputs( unsigned int n );
      virtual void SetNumberOfOutputs( unsigned int n );

      virtual void SetInput( unsigned int idx, DataObject* dobj );

      virtual std::string Update( );
      virtual void DisconnectOutputs( );

      virtual bool ExecConfigurationDialog( QWidget* parent );

      template< class T >
        inline T* GetInput( unsigned int idx );

      template< class T >
        inline const T* GetInput( unsigned int idx ) const;

      template< class T >
        inline T* GetOutput( unsigned int idx );

      template< class T >
        inline const T* GetOutput( unsigned int idx ) const;

    protected:
      ProcessObject( );
      virtual ~ProcessObject( );

      template< class O >
        inline void _MakeOutput( unsigned int idx );

      virtual std::string _GenerateData( ) = 0;

    private:
      // Purposely not implemented
      ProcessObject( const Self& );
      Self& operator=( const Self& );

    protected:
      itk::ProcessObject::Pointer m_RealProcessObject;
      Parameters m_DefaultParameters;
      Parameters m_Parameters;

      std::vector< DataObject::Pointer > m_Inputs;
      std::vector< DataObject::Pointer > m_Outputs;
    };

  } // ecapseman

} // ecapseman

#include <cpPlugins/Interface/ProcessObject.hxx>

#endif // __CPPLUGINS__INTERFACE__PROCESSOBJECT__H__

// eof - $RCSfile$