pDataViewComponent.h

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/******************************************************************************
  ** Copyright (c) 1992-2010 VT MAK
 ** All rights reserved.
 ******************************************************************************/

#ifndef pDataViewComponent_H_
#define pDataViewComponent_H_


#include <QtCore/QObject>
#include <QtGui/QWidget>
#include "progressiveLineGraph.h"
#include <namespace.h>
#include "pDataViewSet.h"

class DtProgressiveLineGraph;   
class QTimer;

namespace MAKVrExchange {

   class DtPortalConnection;

   class DT_DLL_LIBPORTALAPP DtDataViewComponent : public QObject
   {


      Q_OBJECT

   public:

      DtDataViewComponent(DtPortalConnection *pconn, QWidget *parent);

      virtual ~DtDataViewComponent();

      virtual QWidget* getGuiFrame();

      virtual void toggleShowData(bool show);

   private:
      // Copy CTOR not Implemented -- do not copy
      DtDataViewComponent(DtDataViewComponent &other);

      // Assignment Operator not Implemented -- do not copy
      DtDataViewComponent& operator=(DtDataViewComponent &other);

   protected slots:

      virtual void update();


   protected:

      void initView();

      double updateGraph( const DtPortalViewSet& aSet,double firstVisibleTime,
                          double lastVisibleTime);

      virtual void processMessage(const DtPortalMessage& message);

      QWidget            *myMainWidget;
      QWidget            *myParent;
      QTimer             *myTimer;

      bool                myDataOutOfSyncFlag;

      DtTime              myLastGraphTime;
      DtPortalConnection *myPConn;
      DtProgressiveLineGraph *myGraph;

   protected:
      static void portalMessageCb(const DtPortalMessage &msg, void *userData);
      
      static const int Graph_Control = 1;
      static const int Graph_Interactions = 2;
      static const int Graph_Updates = 3;
       
   private:
      // This is private since it is only safely accessed via the updateDataAcrossThread
      // and currentDataSet functions.
      DtPortalViewSet myRunningDataSet; 
   };

}
#endif