Method Update

Modules/Core/src/Controllers/mitkTimeNavigationController.cpp:51–93

}

void mitk::TimeNavigationController::Update()
{
  if (m_BlockUpdate)
  {
    return;
  }

  if (m_InputWorldTimeGeometry.IsNull())
  {
    return;
  }

  if (0 == m_InputWorldTimeGeometry->CountTimeSteps())
  {
    return;
  }

  m_BlockUpdate = true;

  if (m_LastUpdateTime < m_InputWorldTimeGeometry->GetMTime())
  {
    Modified();
  }

  if (m_LastUpdateTime < GetMTime())
  {
    m_LastUpdateTime = GetMTime();

    TimeStepType inputTimeSteps = m_InputWorldTimeGeometry->CountTimeSteps();
    const TimeBounds &timeBounds = m_InputWorldTimeGeometry->GetTimeBounds();
    m_Stepper->SetSteps(inputTimeSteps);
    m_Stepper->SetPos(0);
    m_Stepper->SetRange(timeBounds[0], timeBounds[1]);
  }

  // unblock update; we may do this now, because if m_BlockUpdate was already
  // true before this method was entered, then we will never come here.
  m_BlockUpdate = false;

  // Send the time. Do this even if nothing was changed, because maybe
  // Update() was only called to re-send the old time data.
  this->SendTime();
}

void mitk::TimeNavigationController::SendTime()
{