mitkDisplayActionEventHandler.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 MITKDISPLAYACTIONEVENTHANDLER_H
#define MITKDISPLAYACTIONEVENTHANDLER_H
 
#include <MitkCoreExports.h>
 
// mitk core
#include "mitkDisplayActionEventBroadcast.h"
#include "mitkDisplayActionEvents.h"
#include "mitkStdFunctionCommand.h"
 
namespace mitk
{
  class MITKCORE_EXPORT DisplayActionEventHandler
  {
  public:
 
    using OberserverTagType = unsigned long;
 
    virtual ~DisplayActionEventHandler();
 
    void SetObservableBroadcast(DisplayActionEventBroadcast* observableBroadcast);
 
    OberserverTagType ConnectDisplayActionEvent(const DisplayActionEvent& displayActionEvent,
      const StdFunctionCommand::ActionFunction& actionFunction,
      const StdFunctionCommand::FilterFunction& filterFunction = [](const itk::EventObject&) { return true; });
 
    void DisconnectObserver(OberserverTagType observerTag);
 
    const std::vector<OberserverTagType>& GetAllObserverTags() { return m_ObserverTags; }
 
    void InitActions();
 
  protected:
 
    virtual void InitActionsImpl() { }
 
    WeakPointer<DisplayActionEventBroadcast> m_ObservableBroadcast;
    std::vector<OberserverTagType> m_ObserverTags;
 
  };
 
} // end namespace mitk
 
#endif // MITKDISPLAYACTIONEVENTHANDLER_H