cxSpaceListenerImpl.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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#include "cxSpaceListenerImpl.h"

#include "cxPatientModelService.h"
#include "cxTrackingService.h"
#include "cxData.h"
#include "cxTool.h"
#include "cxActiveData.h"
#include "cxLogger.h"
#include "cxActiveToolProxy.h"

namespace cx
{

SpaceListenerImpl::SpaceListenerImpl(TrackingServicePtr trackingService, PatientModelServicePtr dataManager)
{
        mTrackingService = trackingService;
        mDataManager = dataManager;
}

SpaceListenerImpl::~SpaceListenerImpl()
{
}

void SpaceListenerImpl::setSpace(CoordinateSystem space)
{
        this->doDisconnect();
        mSpace = space;
        this->doConnect();
        emit changed();
}

void SpaceListenerImpl::reconnect()
{
        this->doDisconnect();
        this->doConnect();
        emit changed();
}

CoordinateSystem SpaceListenerImpl::getSpace() const
{
        return mSpace;
}

void SpaceListenerImpl::doConnect()
{
        if (mSpace.mId == csDATA)
        {
                ActiveDataPtr activeData = mDataManager->getActiveData();
                if (mSpace.mRefObject == "active")
                        connect(activeData.get(), &ActiveData::activeDataChanged, this, &SpaceListenerImpl::reconnect);

                DataPtr data = mDataManager->getData(mSpace.mRefObject);
                // NOTE: metrics have no own space, and thus are ignored if connected to.
                //       this breaks a loop if e.g. a dist depends on a pt and the dist becomes active.
                if (data && !data->getSpace().isEmpty())
                {
                        connect(data.get(), SIGNAL(transformChanged()), this, SIGNAL(changed()));
                        connect(mDataManager.get(), SIGNAL(dataAddedOrRemoved()), this, SIGNAL(changed()));
                }
        }

        if (mSpace.mId == csSENSOR || mSpace.mId == csTOOL || mSpace.mId == csTOOL_OFFSET)
        {
                if (mSpace.mRefObject == "active")
                {
                        mActiveTool = ActiveToolProxy::New(mTrackingService);
                        connect(mActiveTool.get(), SIGNAL(toolTransformAndTimestamp(Transform3D,double)), this, SIGNAL(changed()));
                        connect(mActiveTool.get(), SIGNAL(tooltipOffset(double)), this, SIGNAL(changed()));
                }
                else
                {
                        ToolPtr tool = mTrackingService->getTool(mSpace.mRefObject);
                        if (tool)
                        {
                                connect(tool.get(), SIGNAL(toolTransformAndTimestamp(Transform3D,double)), this, SIGNAL(changed()));
                                connect(tool.get(), SIGNAL(tooltipOffset(double)), this, SIGNAL(changed()));
                        }
                }
                connect(mDataManager.get(), SIGNAL(rMprChanged()), this, SIGNAL(changed()));
        }

        if (mSpace.mId == csPATIENTREF)
        {
                connect(mDataManager.get(), SIGNAL(rMprChanged()), this, SIGNAL(changed()));
        }
}

void SpaceListenerImpl::doDisconnect()
{
        if (mSpace.mId == csDATA)
        {
                ActiveDataPtr activeData = mDataManager->getActiveData();
                if (mSpace.mRefObject == "active")
                        disconnect(activeData.get(), &ActiveData::activeDataChanged, this, &SpaceListenerImpl::reconnect);

                DataPtr data = mDataManager->getData(mSpace.mRefObject);
                if (data)
                {
                        disconnect(data.get(), SIGNAL(transformChanged()), this, SIGNAL(changed()));
                        disconnect(mDataManager.get(), SIGNAL(dataAddedOrRemoved()), this, SIGNAL(changed()));
                }
        }

        if (mSpace.mId == csSENSOR || mSpace.mId == csTOOL || mSpace.mId == csTOOL_OFFSET)
        {
                if (mActiveTool)
                {
                        disconnect(mActiveTool.get(), SIGNAL(toolTransformAndTimestamp(Transform3D,double)), this, SIGNAL(changed()));
                        disconnect(mActiveTool.get(), SIGNAL(tooltipOffset(double)), this, SIGNAL(changed()));
                        mActiveTool.reset();
                }
                else
                {
                        ToolPtr tool = mTrackingService->getTool(mSpace.mRefObject);
                        if (tool)
                        {
                                disconnect(tool.get(), SIGNAL(toolTransformAndTimestamp(Transform3D,double)), this, SIGNAL(changed()));
                                disconnect(tool.get(), SIGNAL(tooltipOffset(double)), this, SIGNAL(changed()));
                        }
                }
                disconnect(mDataManager.get(), SIGNAL(rMprChanged()), this, SIGNAL(changed()));
        }

        if (mSpace.mId == csPATIENTREF)
        {
                disconnect(mDataManager.get(), SIGNAL(rMprChanged()), this, SIGNAL(changed()));
        }
}

} // namespace cx