LayerStatisticsDialog.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2012.
//
// This software is released under a three-clause BSD license:
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//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
// For a full list of authors, refer to the file AUTHORS.
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// $Maintainer: Timo Sachsenberg $
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------


#ifndef OPENMS_VISUAL_DIALOGS_LAYERSTATISTICSDIALOG_H
#define OPENMS_VISUAL_DIALOGS_LAYERSTATISTICSDIALOG_H

#include <OpenMS/VISUAL/DIALOGS/UIC/ui_LayerStatisticsDialog.h>
#include <OpenMS/VISUAL/LayerData.h>

#include <QtGui/QPushButton>

#include <utility>
#include <map>

namespace OpenMS
{
  class SpectrumWidget;
  class SpectrumCanvas;

  class OPENMS_GUI_DLLAPI LayerStatisticsDialog :
    public QDialog,
    public Ui::LayerStatisticsDialogTemplate
  {
    Q_OBJECT

public:

    LayerStatisticsDialog(SpectrumWidget * parent);

protected slots:

    void showDistribution_();

protected:

    struct MetaStatsValue_
    {
      MetaStatsValue_(unsigned long c = 0, DoubleReal mi = 0, DoubleReal ma = 0, DoubleReal a = 0)
      {
        count = c;
        min = mi;
        max = ma;
        avg = a;
      }

      unsigned long count;
      DoubleReal min, max, avg;
    };

    typedef LayerData::ExperimentType::SpectrumType::ConstIterator PeakIterator_;
    typedef LayerData::FeatureMapType::ConstIterator FeatureIterator_;
    typedef LayerData::ConsensusMapType::ConstIterator ConsensusIterator_;
    typedef std::map<UInt, MetaStatsValue_>::iterator MetaIterator_;

    void computePeakStats_();
    void computeFeatureStats_();
    void computeConsensusStats_();
    template <typename MetaDataIterator>
    void computeMetaDataArrayStats_(MetaDataIterator begin, MetaDataIterator end);
    void bringInMetaStats_(const MetaInfoInterface & meta_interface);
    void computeMetaAverages_();

    std::map<UInt, MetaStatsValue_> meta_stats_;
    std::map<String, MetaStatsValue_> meta_array_stats_;
    SpectrumCanvas * canvas_;
    LayerData layer_data_;
    DoubleReal min_intensity_;
    DoubleReal max_intensity_;
    DoubleReal avg_intensity_;
    DoubleReal min_charge_;
    DoubleReal max_charge_;
    DoubleReal avg_charge_;
    DoubleReal min_quality_;
    DoubleReal max_quality_;
    DoubleReal avg_quality_;
    DoubleReal min_elements_;
    DoubleReal max_elements_;
    DoubleReal avg_elements_;

private:
    LayerStatisticsDialog();

  };

  template <typename MetaDataIterator>
  void LayerStatisticsDialog::computeMetaDataArrayStats_(MetaDataIterator begin, MetaDataIterator end)
  {
    for (MetaDataIterator meta_array_it = begin; meta_array_it != end; meta_array_it++)
    {
      String meta_name = meta_array_it->getName();
      MetaStatsValue_ meta_stats_value;
      std::map<String, MetaStatsValue_>::iterator it = meta_array_stats_.find(meta_name);
      if (it != meta_array_stats_.end())       // stats about this meta name already exist -> bring this value in
      {
        meta_stats_value = it->second;
        for (typename MetaDataIterator::value_type::const_iterator value_it = meta_array_it->begin(); value_it != meta_array_it->end(); value_it++)
        {
          Real value = *value_it;
          meta_stats_value.count++;
          if (value < meta_stats_value.min)
          {
            meta_stats_value.min = value;
          }
          else if (value > meta_stats_value.max)
          {
            meta_stats_value.max = value;
          }
          meta_stats_value.avg += value;
        }
        it->second = meta_stats_value;
      }
      else if (meta_array_it->size() > 0)    // meta name has not occurred before, create new stats for it:
      {
        Real init_value = *(meta_array_it->begin());
        meta_stats_value = MetaStatsValue_(0, init_value, init_value, 0);
        for (typename MetaDataIterator::value_type::const_iterator value_it = meta_array_it->begin(); value_it != meta_array_it->end(); value_it++)
        {
          Real value = *value_it;
          meta_stats_value.count++;
          if (value < meta_stats_value.min)
          {
            meta_stats_value.min = value;
          }
          else if (value > meta_stats_value.max)
          {
            meta_stats_value.max = value;
          }
          meta_stats_value.avg += value;
        }
        meta_array_stats_.insert(make_pair(meta_name, meta_stats_value));
      }
    }
  }

}
#endif // OPENMS_VISUAL_DIALOGS_LAYERSTATISTICSDIALOG_H