berryIExecutionListenerWithChecks.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 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_ */