berryINullSelectionListener.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 BERRYInullptrSELECTIONLISTENER_H_
#define BERRYInullptrSELECTIONLISTENER_H_

#include "berryISelectionListener.h"

namespace berry
{

struct BERRY_UI_QT INullSelectionListener : public ISelectionListener
{
  ~INullSelectionListener() override;
};

template<typename R>
struct NullSelectionChangedAdapter: public INullSelectionListener
{

  typedef R Listener;
  typedef void
      (R::*Callback)(const IWorkbenchPart::Pointer&, const ISelection::ConstPointer&);

  NullSelectionChangedAdapter(R* l, Callback c) :
    listener(l), callback(c)
  {
    poco_assert(listener);
    poco_assert(callback);
  }

  void SelectionChanged(const IWorkbenchPart::Pointer& part,
                        const ISelection::ConstPointer& selection) override
  {
    (listener->*callback)(part, selection);
  }

private:

  Listener* listener;
  Callback callback;
};

}

#endif /* BERRYInullptrSELECTIONLISTENER_H_ */