lgrAnnotationBar.h

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


#ifndef lgrAnnotationBar_H_
#define lgrAnnotationBar_H_

#include "lgrAnn.h"
#include "overlapSlider.h"
#include "absoluteTime.h"

#include <map>

class QContextMenuEvent;

namespace MAKLogger
{

   class DtLgrAnnotationComponent;
   class DtLgrAnnotation;
   class DtSliderBar;
   class DtLgrAnnotationSliderBar;
   class DtLgrAnnotationSlots;

   class DT_DLL_LGRANN DtLgrAnnotationBar : public DtOverlapSlider
   {
      Q_OBJECT

   public:
      DtLgrAnnotationBar(DtLgrAnnotationComponent*,
         QWidget* p);

      virtual ~DtLgrAnnotationBar();
   
   private:
      DtLgrAnnotationBar(const DtLgrAnnotationBar&);
      DtLgrAnnotationBar& operator=(const DtLgrAnnotationBar&);
   public:

      void connectSlots(DtLgrAnnotationSlots* annSlots);
   
      virtual void addAnnotation(DtLgrAnnotation* annotation);

      virtual void removeAnnotation(DtLgrAnnotation* annotation);

      virtual void updateAnnotation(DtLgrAnnotation* annotation);

      virtual void clearAnnotations();

      virtual DtLgrAnnotation* selectedAnnotation();

      virtual void selectBar(DtSliderBar* bar);

      virtual void unselectAll();

   public slots:

      virtual void selectAnnotation(DtLgrAnnotation* annotation);      

      virtual void timesChanged();

      virtual void barMoved(DtSliderBar*);

      virtual void barSizeChanged(DtSliderBar*);

   signals:

      virtual void attemptModifyAnnotation();

      // Signal emitted when the selected annotation changes.  If no annotation
      // is selected, the pointer will be null.
      virtual void selectedAnnotationChanged(DtLgrAnnotation* annotation);

   protected:

      virtual void draw(QPainter& painter,QRect boundingRect);

      virtual void drawBox(QPainter& painter,DtSliderBox* box) const;   

      void updateRanges();

      virtual void showAnnotationActionMenu(QPoint position);

      virtual void showSelectAnnotationMenu(QPoint position);

      virtual void mouseDoubleClickEvent( QMouseEvent * );

      virtual void contextMenuEvent(QContextMenuEvent* event);

      virtual void drawBar(QPainter& painter,DtSliderBar* bar) const;

   protected:


      virtual void barToTimes(const DtSliderBar* bar,DtAbsoluteTime& firstTime,
         DtAbsoluteTime& lastTime);

      typedef std::map<DtLgrAnnotation*, DtLgrAnnotationSliderBar*> AnnotationBarMap;

      DtLgrAnnotationComponent* myAnnotationComponent;     
      AnnotationBarMap myAnnotationBars;
      DtLgrAnnotation* mySelectedAnnotation;
      DtLgrAnnotationSlots* mySlots;
   };

}

#endif