src/clustersprovider.h

/***************************************************************************
                          clustersprovider.h  -  description
                             -------------------
    begin                : Wed Apr 14 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 CLUSTERSPROVIDER_H
#define CLUSTERSPROVIDER_H

//include files for the application
#include <dataprovider.h>
#include <array.h>
#include <types.h>

// include files for QT
#include <qptrlist.h>
#include <qobject.h>

//include files for c/c++ libraries
#include <math.h>

class ClustersProvider : public DataProvider  {
   Q_OBJECT
public:

  enum loadReturnMessage {OK=0,OPEN_ERROR=1,MISSING_FILE=3,COUNT_ERROR=4,INCORRECT_CONTENT=5};

  ClustersProvider(KURL fileUrl,double samplingRate,double currentSamplingRate,dataType fileMaxTime,int position = 25);
     ~ClustersProvider();

  void requestData(long startTime,long endTime,QObject* initiator,long startTimeInRecordingUnits);


  void requestNextClusterData(long startTime,long timeFrame,QValueList<int> selectedIds,QObject* initiator,long startTimeInRecordingUnits);


  void requestPreviousClusterData(long startTime,long timeFrame,QValueList<int> selectedIds,QObject* initiator,long startTimeInRecordingUnits);
    
  int loadData();

  inline QValueList<int> clusterIdList() const{return clusterIds;};
  
  inline QString getName() const {return name;}

  inline void setClusterPosition(int position){clusterPosition = static_cast<float>(position) / 100.0;};  

  inline void updateSamplingRate(double rate){
    dataCurrentRatio = static_cast<float>(samplingRate / rate);

    //Initialize the variables
    previousStartTime = 0;
    previousStartIndex = 1;
    previousEndIndex = nbSpikes;
    double maxTime =  static_cast<double>(static_cast<double>(clusters(2,nbSpikes)) * static_cast<double>(1000) / static_cast<double>(samplingRate));
    previousEndTime = static_cast<dataType>(floor(0.5 + maxTime));
    fileMaxTime = previousEndTime;
  };

  inline void updateAcquisitionSystemSamplingRate(double rate,double currentSamplingRate){
    samplingRate = rate;
    dataCurrentRatio = static_cast<float>(samplingRate / currentSamplingRate);

    //Initialize the variables
    previousStartTime = 0;
    previousStartIndex = 1;
    previousEndIndex = nbSpikes;
    double maxTime =  static_cast<double>(static_cast<double>(clusters(2,nbSpikes)) * static_cast<double>(1000) / static_cast<double>(samplingRate));
    previousEndTime = static_cast<dataType>(floor(0.5 + maxTime));
    fileMaxTime = previousEndTime;        
  };
    
signals:
  void dataReady(Array<dataType>& data,QObject* initiator,QString providerName);

  void nextClusterDataReady(Array<dataType>& data,QObject* initiator,QString providerName,long startingTime,long startingTimeInRecordingUnits);

  void previousClusterDataReady(Array<dataType>& data,QObject* initiator,QString providerName,long startingTime,long startingTimeInRecordingUnits);
 
private:

  QString name;

  KURL timeFileUrl;
  
  double samplingRate;

  Array<dataType> clusters;

  long previousStartTime;

  long previousEndTime;
  
  long previousStartIndex;

  long previousEndIndex;

  long nbSpikes;

  int nbClusters;

  float dataCurrentRatio;

  QValueList<int> clusterIds;

  long fileMaxTime;

  float clusterPosition;
  
  dataType dataFileMaxTime;
  
  //Functions

  void retrieveData(long startTime,long endTime,QObject* initiator,long startTimeInRecordingUnits);

};


#endif

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