#ifndef __CPPLUGINS__INTERFACE__WORKSPACE__H__
#define __CPPLUGINS__INTERFACE__WORKSPACE__H__

#include <cpExtensions/DataStructures/Graph.h>
#include <cpPlugins/Interface/Interface.h>
#include <cpPlugins/Interface/DataObject.h>
#include <cpPlugins/Interface/ProcessObject.h>

#include <set>
#include <string>

// Some forward declarations
class QWidget;

namespace cpPlugins
{
  namespace Interface
  {
    /**
     */
    class cpPlugins_Interface_EXPORT Workspace
    {
    public:
      typedef cpPlugins::Interface::Interface     TInterface;
      typedef cpPlugins::Interface::Object        TObject;
      typedef cpPlugins::Interface::ProcessObject TFilter;
      typedef cpPlugins::Interface::DataObject    TData;
      typedef TFilter::TParameters                TParameters;

      // Various types
      typedef std::set< std::string >               TStringContainer;
      typedef std::pair< std::string, std::string > TGlobalPort;
      typedef std::map< std::string, TGlobalPort >  TGlobalPorts;

      // Graph type
      typedef std::pair< std::string, std::string > TConnection;
      typedef
        cpExtensions::DataStructures::
        Graph< TObject::Pointer, TConnection, std::string > TGraph;

    public:
      Workspace( );
      virtual ~Workspace( );

      // Plugins management
      TInterface* GetInterface( );
      void SetInterface( TInterface* i );

      // Workspace IO
      std::string LoadWorkspace( const std::string& fname );
      std::string SaveWorkspace( const std::string& fname ) const;

      // Graph management
      void Clear( );
      TGraph* GetGraph( );
      const TGraph* GetGraph( ) const;
      bool CreateFilter( const std::string& filter, const std::string& name );
      bool Connect(
        const std::string& orig_filter, const std::string& dest_filter,
        const std::string& output_name,
        const std::string& input_name
        );
      bool Connect( const std::string& i, const std::string& o );
      TParameters* GetParameters( const std::string& name );
      const TParameters* GetParameters( const std::string& name ) const;
      TFilter* GetFilter( const std::string& name );
      const TFilter* GetFilter( const std::string& name ) const;
      bool HasFilter( const std::string& name ) const;

      // Graph reduction
      bool Reduce( const std::string& name );
      void AddInputPort(
        const std::string& name,
        const std::string& filter, const std::string& filter_input
        );
      void AddOutputPort(
        const std::string& name,
        const std::string& filter, const std::string& filter_output
        );
      void ClearInputPorts( );
      void ClearOutputPorts( );

      // Pipeline execution
      std::string Execute( );
      std::string Execute( const std::string& name, QWidget* p = NULL );

    protected:
      void _UpdateLoadedPluginsInformation( );

    protected:
      // Plugins interface
      TInterface* m_Interface;

      // Processing graph
      typename TGraph::Pointer m_Graph;
      TGlobalPorts m_InputPorts;
      TGlobalPorts m_OutputPorts;
    };

  } // ecapseman

} // ecapseman

#endif // __CPPLUGINS__INTERFACE__WORKSPACE__H__

// eof - $RCSfile$