berryAbstractHandler.h

Go to the documentation of this file.

/*============================================================================
 
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 BERRYABSTRACTHANDLER_H_
#define BERRYABSTRACTHANDLER_H_
 
#include "berryIHandler.h"
#include "berryIHandlerListener.h"
 
#include <org_blueberry_core_commands_Export.h>
 
namespace berry {
 
class BERRY_COMMANDS AbstractHandler : public QObject, public IHandler { // ,public EventManager {
 
  Q_OBJECT
  Q_INTERFACES(berry::IHandler)
 
public:
  berryObjectMacro(AbstractHandler);
 
private:
 
  bool baseEnabled;
 
  IHandlerListener::Events handlerListeners;
 
public:
 
  AbstractHandler();
 
  void AddHandlerListener(IHandlerListener* handlerListener) override;
 
  void Dispose() override;
 
  bool IsEnabled() const override;
 
  void SetEnabled(const Object::Pointer& evaluationContext) override;
 
  bool IsHandled() const override;
 
  void RemoveHandlerListener(IHandlerListener* handlerListener) override;
 
protected:
 
  void FireHandlerChanged(const SmartPointer<HandlerEvent>& handlerEvent);
 
  void SetBaseEnabled(bool state);
 
  virtual bool HasListeners() const;
 
};
 
}
 
#endif /*BERRYABSTRACTHANDLER_H_*/