berryIExecutionListenerWithChecks.h

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

BlueBerry Platform

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
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 BERRYIEXECUTIONLISTENERWITHCHECKS_H_
#define BERRYIEXECUTIONLISTENERWITHCHECKS_H_

#include "berryIExecutionListener.h"
#include "common/berryCommandExceptions.h"

namespace berry {

struct BERRY_COMMANDS IExecutionListenerWithChecks : public IExecutionListener {

  struct Events : public IExecutionListener::Events {

    Message2<const QString&, const NotDefinedException*> notDefined;
    Message2<const QString&, const NotEnabledException*> notEnabled;

    void AddListener(IExecutionListener* listener) override;
    void RemoveListener(IExecutionListener* listener) override;
    bool HasListeners() const override;
    bool IsEmpty() const override;

    private:

    typedef MessageDelegate2<IExecutionListenerWithChecks, const QString&, const NotDefinedException* > NotDefinedDelegate;
    typedef MessageDelegate2<IExecutionListenerWithChecks, const QString&, const NotEnabledException*> NotEnabledDelegate;
  };

  virtual void NotDefined(const QString& commandId, const NotDefinedException* exception) = 0;

  virtual void NotEnabled(const QString& commandId, const NotEnabledException* exception) = 0;
};

}

#endif /* BERRYIEXECUTIONLISTENERWITHCHECKS_H_ */