QmitkFlatLabelInstanceProxyModel.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 QmitkFlatLabelInstanceProxyModel_h
#define QmitkFlatLabelInstanceProxyModel_h
 
#include <QAbstractProxyModel>
#include <QVector>
#include <QModelIndex>
 
class QmitkFlatLabelInstanceProxyModel : public QAbstractProxyModel
{
  Q_OBJECT
 
public:
  explicit QmitkFlatLabelInstanceProxyModel(QObject* parent = nullptr);
 
  // QAbstractItemModel interface
  QModelIndex mapToSource(const QModelIndex& proxyIndex) const override;
  QModelIndex mapFromSource(const QModelIndex& sourceIndex) const override;
 
  QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
  QModelIndex parent(const QModelIndex& child) const override;
 
  int rowCount(const QModelIndex& parent = QModelIndex()) const override;
  int columnCount(const QModelIndex& parent = QModelIndex()) const override;
 
  QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
 
  void setSourceModel(QAbstractItemModel* sourceModel) override;
 
public slots:
  void RebuildMapping();
 
private slots:
  void OnSourceModelReset();
  void OnSourceDataChanged();
 
private:
  void CollectAcceptedIndexes(const QModelIndex& parent);
 
private:
  QVector<QPersistentModelIndex> m_SourceIndexes;
};
 
#endif