QmitkDataStorageComboBoxWithSelectNone.h

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/*===================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) University College London (UCL).
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

===================================================================*/

#ifndef QmitkDataStorageComboBoxWithSelectNone_h
#define QmitkDataStorageComboBoxWithSelectNone_h

#include <MitkQtWidgetsExports.h>

#include "QmitkDataStorageComboBox.h"
#include "QmitkCustomVariants.h"
#include "mitkDataNode.h"


class MITKQTWIDGETS_EXPORT QmitkDataStorageComboBoxWithSelectNone : public QmitkDataStorageComboBox
{

  Q_OBJECT
  Q_PROPERTY(mitkDataNodePtr SelectedNode READ GetSelectedNode WRITE SetSelectedNode)
  Q_PROPERTY(QString currentValue READ currentValue WRITE setCurrentValue)

  public:
    QmitkDataStorageComboBoxWithSelectNone(QWidget* parent = nullptr, bool autoSelectNewNodes=false);

    QmitkDataStorageComboBoxWithSelectNone( mitk::DataStorage* _DataStorage,
                                            const mitk::NodePredicateBase* predicate,
                                            QWidget* parent = nullptr,
                                            bool autoSelectNewNodes=false);

    ~QmitkDataStorageComboBoxWithSelectNone();

    static const QString ZERO_ENTRY_STRING;

    virtual int Find( const mitk::DataNode* dataNode ) const override;

    virtual mitk::DataNode::Pointer GetNode(int index) const override;

    virtual mitk::DataNode::Pointer GetSelectedNode() const override;

    virtual void SetSelectedNode(const mitk::DataNode::Pointer& node);

    using QmitkDataStorageComboBox::RemoveNode;
    virtual void RemoveNode(int index) override;

    using QmitkDataStorageComboBox::SetNode;
    virtual void SetNode(int index, const mitk::DataNode* dataNode) override;

    virtual QString currentValue() const;

    virtual void setCurrentValue(const QString& path);

    void SetZeroEntryText(const QString& zeroEntryString);

  protected:

    bool HasIndex(unsigned int index) const;

    virtual void InsertNode(int index, const mitk::DataNode* dataNode) override;

    virtual void Reset() override;

  private:

    QString m_CurrentPath;
};

#endif // QmitkDataStorageComboBoxWithSelectNone_h