cxDistanceMetric.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/


#ifndef CXDISTANCEMETRIC_H_
#define CXDISTANCEMETRIC_H_

#include "cxResourceExport.h"
#include "cxPrecompiledHeader.h"

#include "cxDataMetric.h"
#include "cxMetricReferenceArgumentList.h"
#include "cxOptionalValue.h"

namespace cx
{
typedef boost::shared_ptr<class DistanceMetric> DistanceMetricPtr;

class cxResource_EXPORT DistanceMetric: public DataMetric
{
Q_OBJECT
public:
        virtual ~DistanceMetric();
        static DistanceMetricPtr create(QString uid, QString name, PatientModelServicePtr dataManager, SpaceProviderPtr spaceProvider);

        virtual QIcon getIcon() {return QIcon(":/icons/metric_distance.png");}
        double getDistance() const;
        Vector3D getDirection() const;
        std::vector<Vector3D> getEndpoints() const; 
    virtual Vector3D getRefCoord() const;

        MetricReferenceArgumentListPtr getArguments() { return mArguments; }

    virtual bool isValid() const;

    virtual void addXml(QDomNode& dataNode); 
        virtual void parseXml(QDomNode& dataNode); 
        virtual DoubleBoundingBox3D boundingBox() const;
        virtual QString getType() const
        {
                return getTypeName();
        }
        static QString getTypeName()
        {
                return "distanceMetric";
        }

        virtual QString getValueAsString() const;
        virtual bool showValueInGraphics() const { return true; }

private slots:
        void resetCachedValues();
private:
        DistanceMetric(const QString& uid, const QString& name, PatientModelServicePtr dataManager, SpaceProviderPtr spaceProvider);
        void getEndpointsUncached(std::vector<Vector3D>* endpoints, Vector3D *direction) const;
        MetricReferenceArgumentListPtr mArguments;
        mutable OptionalValue<std::vector<Vector3D> > mCachedEndPoints;
        mutable OptionalValue<Vector3D> mCachedDirection;

        void updateCache() const;
};

}

#endif /* CXDISTANCEMETRIC_H_ */