mitkSpaceNavigatorActivator.cpp

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

Program:   Medical Imaging & Interaction Toolkit
Language:  C++
Date:      $Date: 2010-03-31 16:40:27 +0200 (Mi, 31 Mrz 2010) $
Version:   $Revision: 21975 $ 

Copyright (c) German Cancer Research Center, Division of Medical and
Biological Informatics. All rights reserved.
See MITKCopyright.txt or https://www.mitk.org/copyright.html for details.

This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.  See the above copyright notices for more information.

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

#include "mitkSpaceNavigatorActivator.h"

#include <mitkGlobalinteraction.h>
#include <mitkEventMapper.h>

#include <mitkSpaceNavigatorAddOn.h>

mitk::SpaceNavigatorActivator::SpaceNavigatorActivator()
: m_IsRegistered(false), m_Controller(mitk::SpaceNavigatorVtkCameraController::New())
{
}

bool mitk::SpaceNavigatorActivator::RegisterInputDevice()
{
  if(!this->m_IsRegistered)
  {
    mitk::GlobalInteraction::GetInstance()->AddListener(m_Controller);
    mitk::EventMapper* eventMapper(mitk::GlobalInteraction::GetInstance()->GetEventMapper());
    if (eventMapper != NULL)
    {
      eventMapper->AddEventMapperAddOn(mitk::SpaceNavigatorAddOn::GetInstance());
      this->m_IsRegistered = true;
    }
    else
    {
      return false;
    }
  }
  return true;
}

bool mitk::SpaceNavigatorActivator::UnRegisterInputDevice()
{
  if(this->m_IsRegistered)
  {
    mitk::GlobalInteraction::GetInstance()->RemoveListener(m_Controller);
    mitk::EventMapper* eventMapper(mitk::GlobalInteraction::GetInstance()->GetEventMapper());

    if(eventMapper != NULL)
    {
      eventMapper->RemoveEventMapperAddOn(mitk::SpaceNavigatorAddOn::GetInstance());
      this->m_IsRegistered = false;
    }
    else
    {
      return false;
    }
  }
  return true;
}