#ifndef __CPBASEQTAPPLICATION__CONNECTION__H__
#define __CPBASEQTAPPLICATION__CONNECTION__H__

#include <cpBaseQtApplication_Export.h>
#include <QGraphicsPathItem>

namespace cpBaseQtApplication
{
  class InputPort;
  class OutputPort;

  /**
   */
  class cpBaseQtApplication_EXPORT Connection
    : public QGraphicsPathItem
  {
  public:
    typedef Connection     Self;
    typedef QGraphicsPathItem Superclass;

  public:
    enum { Type = QGraphicsItem::UserType + 5 };

    Connection( QGraphicsItem* parent = 0, QGraphicsScene* scene = 0 );
    virtual ~Connection( );

    void setPos1( const QPointF& p );
    void setPos2( const QPointF& p );
    void setPort1( OutputPort* p );
    void setPort2( InputPort* p );
    void updatePosFromPorts( );
    void updatePath( );
    OutputPort* port1( ) const;
    InputPort* port2( ) const;

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

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

  private:
    QPointF m_Pos1;
    QPointF m_Pos2;
    OutputPort* m_Port1;
    InputPort*  m_Port2;
  };

} // ecapseman

#endif // __CPBASEQTAPPLICATION__CONNECTION__H__

// eof - $RCSfile$