QmitkImageStatisticsTreeModel.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
 
#ifndef QmitkImageStatisticsTreeModel_h
#define QmitkImageStatisticsTreeModel_h
 
#include <QmitkAbstractDataStorageModel.h>
 
//MITK
#include <MitkImageStatisticsUIExports.h>
#include <mitkImageStatisticsContainer.h>
 
#include <mutex>
 
class QmitkImageStatisticsTreeItem;
 
class MITKIMAGESTATISTICSUI_EXPORT QmitkImageStatisticsTreeModel : public QmitkAbstractDataStorageModel
{
    Q_OBJECT
 
public:
 
  QmitkImageStatisticsTreeModel(QObject *parent = nullptr);
 
  ~QmitkImageStatisticsTreeModel() override;
 
  void SetImageNodes(const std::vector<mitk::DataNode::ConstPointer>& nodes);
 
  void SetMaskNodes(const std::vector<mitk::DataNode::ConstPointer>& nodes);
 
  void Clear();
 
  void SetIgnoreZeroValueVoxel(bool _arg);
 
  bool GetIgnoreZeroValueVoxel() const;
 
  void SetHistogramNBins(unsigned int nbins);
 
  unsigned int GetHistogramNBins() const;
 
  Qt::ItemFlags flags(const QModelIndex &index) const override;
 
  QVariant data(const QModelIndex &index, int role) const override;
 
  QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
 
  int rowCount(const QModelIndex &parent = QModelIndex()) const override;
 
  int columnCount(const QModelIndex &parent = QModelIndex()) const override;
 
  QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
 
  QModelIndex parent(const QModelIndex &child) const override;
 
signals:
  void dataAvailable();
 
  void modelChanged();
 
protected:
  /*
  * @brief See 'QmitkAbstractDataStorageModel'
  */
  void DataStorageChanged() override;
  /*
  * @brief See 'QmitkAbstractDataStorageModel'
  */
  void NodePredicateChanged() override;
  /*
  * @brief See 'QmitkAbstractDataStorageModel'
  */
  void NodeAdded(const mitk::DataNode *node) override;
  /*
  * @brief See 'QmitkAbstractDataStorageModel'
  */
  void NodeChanged(const mitk::DataNode *node) override;
  /*
  * @brief See 'QmitkAbstractDataStorageModel'
  */
  void NodeRemoved(const mitk::DataNode *node) override;
 
private:
    void UpdateByDataStorage();
 
    using StatisticsContainerVector = std::vector<mitk::ImageStatisticsContainer::ConstPointer>;
    /* builds a hierarchical tree model for the image statistics
    1. Level: Image
    --> 2. Level: Mask [if exist]
        --> 3. Level: Label instances [if Mask has more then one label]
           --> 4. Level: Timestep [if >1 exist] */
    void BuildHierarchicalModel();
 
    StatisticsContainerVector m_Statistics;
 
    std::vector<mitk::DataNode::ConstPointer> m_ImageNodes;
    std::vector<std::pair<mitk::DataNode::ConstPointer, unsigned int> > m_TimeStepResolvedImageNodes;
    std::vector<mitk::DataNode::ConstPointer> m_MaskNodes;
    std::vector<std::pair<mitk::DataNode::ConstPointer, unsigned int>> m_TimeStepResolvedMaskNodes;
    std::vector<std::string> m_StatisticNames;
 
    std::mutex m_Mutex;
    std::unique_ptr<QmitkImageStatisticsTreeItem> m_RootItem;
    QVariant m_HeaderFirstColumn;
    itk::TimeStamp m_BuildTime;
 
    bool m_IgnoreZeroValueVoxel = false;
    unsigned int m_HistogramNBins = 100;
};
 
#endif