QmitkPointListModel.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 QmitkPointListModel_h
#define QmitkPointListModel_h
 
#include "MitkQtWidgetsExtExports.h"
#include <QAbstractListModel>
 
#include "mitkDataNode.h"
#include "mitkPointSet.h"
 
class MITKQTWIDGETSEXT_EXPORT QmitkPointListModel : public QAbstractListModel
{
  Q_OBJECT
 
public:
  QmitkPointListModel(mitk::DataNode * = nullptr, int t = 0, QObject *parent = nullptr);
  ~QmitkPointListModel() override;
 
  Qt::ItemFlags flags(const QModelIndex &) const override;
 
  int rowCount(const QModelIndex &parent = QModelIndex()) const override;
 
  QVariant data(const QModelIndex &index, int role) const override;
 
  QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 
  void SetPointSetNode(mitk::DataNode *pointSetNode);
 
  mitk::PointSet *GetPointSet() const;
 
  // which point set to work on
  mitk::DataNode *GetPointSetNode() const;
 
  void SetTimeStep(int t);
 
  int GetTimeStep() const;
 
  void OnPointSetChanged(const itk::EventObject &e);
 
  void OnPointSetDeleted(const itk::EventObject &e);
 
  bool GetPointForModelIndex(const QModelIndex &index,
                             mitk::PointSet::PointType &p,
                             mitk::PointSet::PointIdentifier &id) const;
 
  bool GetModelIndexForPointID(mitk::PointSet::PointIdentifier id, QModelIndex &index) const;
 
public slots:
 
  void MoveSelectedPointUp();
 
  void MoveSelectedPointDown();
 
  void RemoveSelectedPoint();
 
signals:
 
  void SignalUpdateSelection();
 
protected:
  void ObserveNewPointSet(mitk::DataNode *pointSetNode);
 
  // initially checks if there is a PointSet as data in the DataNode.
  // returns PointSet if so and nullptr if other data is set to node
  mitk::PointSet *CheckForPointSetInNode(mitk::DataNode *node) const;
 
protected:
  mitk::DataNode *m_PointSetNode;
  unsigned int m_PointSetModifiedObserverTag;
  unsigned int m_PointSetDeletedObserverTag;
  int m_TimeStep;
};
 
#endif