#ifndef __CPBASEQTAPPLICATION__BLOCK__H__
#define __CPBASEQTAPPLICATION__BLOCK__H__

#include <cpBaseQtApplication_Export.h>
#include <QGraphicsPathItem>
#include <cpPlugins/BaseObjects/ProcessObject.h>

namespace cpBaseQtApplication
{
  class Editor;
  class Port;
  class NamePort;
  class InputPort;
  class OutputPort;

  /**
   */
  class cpBaseQtApplication_EXPORT Block
    : public QGraphicsPathItem
  {
  public:
    typedef Block             Self;
    typedef QGraphicsPathItem Superclass;
    typedef cpPlugins::BaseObjects::ProcessObject TFilter;
  
  public:
    enum { Type = QGraphicsItem::UserType + 6 };

    Block(
      TFilter* filter, const QString& name,
      QGraphicsItem* parent = NULL, QGraphicsScene* scene = NULL
      );
    virtual ~Block( );

    TFilter* filter( );
    const TFilter* filter( ) const;

    Editor* editor( );
    const Editor* editor( ) const;
    void setEditor( Editor* editor );

    void setNamePort( const QString& txt );
    InputPort* addInputPort( const QString& txt, bool multiple );
    OutputPort* addOutputPort( const QString& txt );

    InputPort* inputPort( const QString& txt );
    OutputPort* outputPort( const QString& txt );

    QString namePort( ) const;
    const InputPort* inputPort( const QString& txt ) const;
    const OutputPort* outputPort( const QString& txt ) const;

    inline int type( ) const
      { return( this->Type ); }

    virtual void paint(
      QPainter* painter,
      const QStyleOptionGraphicsItem* option,
      QWidget* widget
      );

  protected:
    QVariant itemChange( GraphicsItemChange change, const QVariant& value );
    void _setTypeInfo( const QString& txt );
    void _configPort( Port* port );

    virtual void mouseReleaseEvent( QGraphicsSceneMouseEvent* evt );
    virtual void contextMenuEvent( QGraphicsSceneContextMenuEvent* evt );

  private:
    int m_HorzMargin;
    int m_VertMargin;
    int m_Width;
    int m_Height;

    NamePort* m_NamePort;
    std::map< std::string, InputPort* >  m_InputPorts;
    std::map< std::string, OutputPort* > m_OutputPorts;

    TFilter::Pointer m_Filter;
    Editor*          m_Editor;
  };

} // ecapseman

#endif // __CPBASEQTAPPLICATION__BLOCK__H__

// eof - $RCSfile$