assistantPlot.h

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/*****************************************************************************
 * Copyright (c) 2011 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <rtiMsConfig.h>

#include <vlutil/vlMachineTypes.h>

#include <QtCore/QDateTime>

#include <qwt_scale_engine.h>
#include <qwt_scale_draw.h>
#include <qwt_legend.h>
#include <qwt_plot.h>

class QwtSymbol;
class QwtPlotCurve;

class DtAssistantPlotSeries;

class DT_DLL_ASSISTANTAPP DtAssistantPlot : public QwtPlot
{
   Q_OBJECT

public:

   static DtAssistantPlot* create( const QString& unitLabel = QString() );

   static DtAssistantPlot* create( LegendPosition legendPos, 
      const QString& unitLabel = QString() );

   virtual void initialize( bool showLegend, const QString& unitLabel );

   virtual ~DtAssistantPlot();

   virtual void setShowTimeLabels( bool show );

   virtual void setLockUpdates( bool lock );

   virtual DtAssistantPlotSeries* createPlotSeries( const QColor& color,
      unsigned seriesId, Qt::PenStyle style, const QString& dispName = QString() );

   virtual DtAssistantPlotSeries* findSeries( unsigned seriesId );

   virtual QwtLegend* createLegend();

   virtual void updateSeries( unsigned seriesId, double t, double val );

   virtual void updateAxisScaling();

   virtual void updateAxisScalingIfNeeded();

   virtual float getMaxVal();

   virtual float getMaxVal( unsigned seriesId );

   virtual float getMinVal();

   virtual float getMinVal( unsigned seriesId );

   virtual void setBaseTime( double baseTime );

   virtual void setSeriesEnabled( unsigned seriesId, bool enabled );

   virtual void setSeriesEnabled( QwtPlotItem* item, bool enabled );

   virtual void clear();

protected:

   DtAssistantPlot( const QString& unitLabel = QString() );

   DtAssistantPlot( LegendPosition legendPos, const QString& unitLabel = QString() );

   virtual void connectToSignals();

   virtual QPen createPen( const QColor& color,
      Qt::PenStyle style = Qt::SolidLine, qreal width = 0 );

protected:

   class TimeScaleDraw : public QwtScaleDraw
   {
   public:

      TimeScaleDraw();

      virtual void setBaseTime( MAKRti::DtU64 baseTime );

      virtual QwtText label( double val ) const;

   private:

      //QDateTime baseTime;
      MAKRti::DtU64 myBaseTime;

   };

   typedef std::map<unsigned,DtAssistantPlotSeries*> SeriesMap;

   typedef std::map<unsigned,float> SeriesMaxValMap;
   typedef SeriesMaxValMap SeriesMinValMap;

   SeriesMap mySeries;

   SeriesMaxValMap myMaxVals;
   float myMaxVal;

   SeriesMinValMap myMinVals;
   float myMinVal;

   LegendPosition myLegendPosition;

   bool myDirtyMaxValFlag;
   bool myDirtyMinValFlag;
   bool myLockUpdatesFlag;
   bool myDirtyPlotFlag;



   static const float theScaleFactor;
   static const float theIntervalFactor;

};