HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · examples/boxplotchart/boxdatareader.cpp

Polishing...

Polishing Change-Id: Ib838cf4cfe7a76aec5c7b22b000d37eee3954615 Reviewed-by: Mika Salmela <mika.salmela@digia.com>

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             boxdatareader.cpp
        
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             / examples / boxplotchart / boxdatareader.cpp
          
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        Mika Salmela
    
QBoxSet changed from list to table mode. New example for file reading....

              r2508
            
      /****************************************************************************

      **

      ** Copyright (C) 2012 Digia Plc

      ** All rights reserved.

      ** For any questions to Digia, please use contact form at http://qt.digia.com

      **

      ** This file is part of the Qt Commercial Charts Add-on.

      **

      ** $QT_BEGIN_LICENSE$

      ** Licensees holding valid Qt Commercial licenses may use this file in

      ** accordance with the Qt Commercial License Agreement provided with the

      ** Software or, alternatively, in accordance with the terms contained in

      ** a written agreement between you and Digia.

      **

      ** If you have questions regarding the use of this file, please use

      ** contact form at http://qt.digia.com

      ** $QT_END_LICENSE$

      **

      ****************************************************************************/

      #include "boxdatareader.h"

        Mika Salmela
    
Datareader fixes...

              r2512
            
      BoxDataReader::BoxDataReader(QIODevice *device) :

          QTextStream(device)

        Mika Salmela
    
QBoxSet changed from list to table mode. New example for file reading....

              r2508
            
      {

      }

      QBoxSet* BoxDataReader::readBox()

      {

          QString line = readLine();

          if (line.startsWith("#"))

              return 0;

          QStringList strList = line.split(" ", QString::SkipEmptyParts);

        Mika Salmela
    
Datareader fixes...

              r2512
            
          sortedList.clear();

        Mika Salmela
    
Added label to boxset...

              r2513
            
          for (int i = 1; i < strList.count(); i++) {

              sortedList.append(strList.at(i).toDouble());

        Mika Salmela
    
QBoxSet changed from list to table mode. New example for file reading....

              r2508
            
          }

          qSort(sortedList.begin(), sortedList.end());

          int count = sortedList.count();

        Mika Salmela
    
Added label to boxset...

              r2513
            
          QBoxSet *box = new QBoxSet(strList.first());

        Mika Salmela
    
Datareader fixes...

              r2512
            
          box->setLowerExtreme(sortedList.first());

        Mika Salmela
    
QBoxSet changed from list to table mode. New example for file reading....

              r2508
            
          box->setUpperExtreme(sortedList.last());

        Mika Salmela
    
Datareader fixes...

              r2512
            
          box->setMedian(findMedian(0, count));

          box->setLowerQuartile(findMedian(0, count / 2));

          if (count % 2)

              box->setUpperQuartile(findMedian(count / 2 + 1, count));

          else // even amount of numbers

              box->setUpperQuartile(findMedian(count / 2, count));

        Mika Salmela
    
QBoxSet changed from list to table mode. New example for file reading....

              r2508
            
          return box;

      }

        Mika Salmela
    
Datareader fixes...

              r2512
            
      qreal BoxDataReader::findMedian(int begin, int end)

      {

          int count = end - begin;

          if (count % 2 ) {

              return sortedList.at((int) (count/2) + begin);

          } else {

              qreal right = sortedList.at(count / 2 + begin);

              qreal left = sortedList.at(count / 2 - 1 + begin);

              return (right + left) / 2.0;

          }

      }

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Mika Salmela QBoxSet changed from list to table mode. New example for file reading....	r2508	/****************************************************************************
		**
		** Copyright (C) 2012 Digia Plc
		** All rights reserved.
		** For any questions to Digia, please use contact form at http://qt.digia.com
		**
		** This file is part of the Qt Commercial Charts Add-on.
		**
		** $QT_BEGIN_LICENSE$
		** Licensees holding valid Qt Commercial licenses may use this file in
		** accordance with the Qt Commercial License Agreement provided with the
		** Software or, alternatively, in accordance with the terms contained in
		** a written agreement between you and Digia.
		**
		** If you have questions regarding the use of this file, please use
		** contact form at http://qt.digia.com
		** $QT_END_LICENSE$
		**
		****************************************************************************/

		#include "boxdatareader.h"

Mika Salmela Datareader fixes...	r2512	BoxDataReader::BoxDataReader(QIODevice *device) :
		QTextStream(device)
Mika Salmela QBoxSet changed from list to table mode. New example for file reading....	r2508	{
		}

		QBoxSet* BoxDataReader::readBox()
		{
		QString line = readLine();
		if (line.startsWith("#"))
		return 0;

		QStringList strList = line.split(" ", QString::SkipEmptyParts);
Mika Salmela Datareader fixes...	r2512	sortedList.clear();
Mika Salmela Added label to boxset...	r2513
		for (int i = 1; i < strList.count(); i++) {
		sortedList.append(strList.at(i).toDouble());
Mika Salmela QBoxSet changed from list to table mode. New example for file reading....	r2508	}

		qSort(sortedList.begin(), sortedList.end());

		int count = sortedList.count();

Mika Salmela Added label to boxset...	r2513	QBoxSet *box = new QBoxSet(strList.first());
Mika Salmela Datareader fixes...	r2512	box->setLowerExtreme(sortedList.first());
Mika Salmela QBoxSet changed from list to table mode. New example for file reading....	r2508	box->setUpperExtreme(sortedList.last());
Mika Salmela Datareader fixes...	r2512	box->setMedian(findMedian(0, count));
		box->setLowerQuartile(findMedian(0, count / 2));
		if (count % 2)
		box->setUpperQuartile(findMedian(count / 2 + 1, count));
		else // even amount of numbers
		box->setUpperQuartile(findMedian(count / 2, count));

Mika Salmela QBoxSet changed from list to table mode. New example for file reading....	r2508	return box;
		}

Mika Salmela Datareader fixes...	r2512	qreal BoxDataReader::findMedian(int begin, int end)
		{
		int count = end - begin;
		if (count % 2 ) {
		return sortedList.at((int) (count/2) + begin);
		} else {
		qreal right = sortedList.at(count / 2 + begin);
		qreal left = sortedList.at(count / 2 - 1 + begin);
		return (right + left) / 2.0;
		}
		}