src/positionview.h

/***************************************************************************
                          positionview.h  -  description
                             -------------------
    begin                : Mon Jul 26 2004
    copyright            : (C) 2004 by Lynn Hazan
    email                : lynn.hazan.myrealbox.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef POSITIONVIEW_H
#define POSITIONVIEW_H

// include files for Qt
#include <qwidget.h>
#include <qpixmap.h>
#include <qimage.h>
#include <qpainter.h>
#include <qprinter.h>
#include <qdict.h> 

// application specific includes
#include <baseframe.h>
#include "positionsprovider.h"
#include <types.h>
#include "eventdata.h"
#include "globaleventsprovider.h"

class ItemColors;

class PositionView : public BaseFrame  {
   Q_OBJECT
public:
   PositionView(PositionsProvider& provider,GlobalEventsProvider& globalEventProvider,QImage backgroundImage,long start,long timeFrameWidth,bool showEvents,int windowTopLeft = -500,int windowBottomRight = 1001,QWidget *parent=0, const char *name=0,
  QColor backgroundColor = Qt::black, int minSize = 100, int maxSize = 4000, int border = 0);
     ~PositionView();
        
public slots:  
  void updatePositionInformation(int width, int height,QImage backgroundImage,bool newOrientation,bool active);

  void displayTimeFrame(long start,long timeFrameWidth);

  void dataAvailable(Array<dataType>& data,QObject* initiator);

  void print(QPainter& printPainter,QPaintDeviceMetrics& metrics,bool whiteBackground,QImage backgroundForPrinting = QImage());

  /***Changes the color of the background.*/
  void changeBackgroundColor(QColor color);
    
  void dataAvailable(QDict<EventData>& eventsData,QMap<QString, QValueList<int> >& selectedEvents,QDict<ItemColors>& providerItemColors,QObject* initiator,double samplingRate);
  
  void updateEventDisplay();
  
  void eventColorUpdate(QString name,int eventId,bool active);
  
  inline void updateDrawing(){  
   //Everything has to be redraw
   drawContentsMode = REDRAW ;
   update();
  };
    
  inline void addEventProvider(){updateEventDisplay();};
  
  void removeEventProvider(QString name,bool active,bool lastFile);
  
  void setEventsInPositionView(bool shown);
  
protected:
  void drawContents(QPainter* p);

  inline void resizeEvent(QResizeEvent* event){
   drawContentsMode = REDRAW;
   resized = true;
  };
  
private:
  QImage background;

  QPixmap scaledBackground;

  QPixmap doublebuffer;

  bool dataReady;

  bool isInit;  

  bool resized;

  PositionsProvider& positionsProvider;

  Array<dataType> data;

  long startTime;

  long endTime;
  
  long timeFrameWidth;

  int nbSpots;
  
  QDict<EventData> eventsData;

  QMap<QString, QValueList<int> > selectedEvents;
    
  QDict<ItemColors> providerItemColors;
  
  GlobalEventsProvider& globalEventProvider;
  
  bool showEvents;
    

  void scaleBackgroundImage();

  void drawPositions(QPainter& painter);  
  
  void computeEventPositions(double samplingRate);
  
  void drawEvents(QPainter& painter);
};

#endif

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