PacEnergySpectrum.h

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/***+************************************************************************
 *   Copyright (C) 2008-2010 by Matthias Nagl                              *
 *   mnagl@uni-goettingen.de                                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef PACENERGYSPECTRUM_H
#define PACENERGYSPECTRUM_H

#include <QObject>
#include <QPointer>
#include <QWidget>
#include <qwt_double_rect.h>
#include "pacDefinitions.h"

class QLabel;
class QDomElement;
class PacEnergyContainer;
class PacCommonEnergyResult;
class PacPlot;
class QwtPlotCurve;
class QwtPlotMarker;

class PacEnergySpectrum : public QObject
{
  Q_OBJECT
public:
    PacEnergySpectrum(PacEnergyContainer *container, quint8 detectorid, float phi, float theta);
    PacEnergySpectrum(PacEnergyContainer *container, const QDomElement &root);
    ~PacEnergySpectrum();

    void setSpectrum(
        const PacCommonEnergyResult* beginning,
        const PacCommonEnergyResult* end
    );

    QWidget * plotWidget();

    quint8 detectorId() const;
    float phi() const;
    float theta() const;


    QVector<double> spectrumX() const;
    QVector<quint64> spectrumComplete() const;
    QVector<quint64> spectrumBeginning() const;
    QVector<quint64> spectrumEnd() const;

    qreal redEnergy() const;
    qreal blueEnergy() const;
    qreal redPosition() const;
    qreal bluePosition() const;

    void appendToDomNode(QDomElement &node) const;
    void initializeFromDomNode(const QDomElement &node);

public slots:
    void setRedEnergy(double e);
    void setBlueEnergy(double e);
    void setDisplayRange(Pac::ReadoutRange);

private slots:
    void selectMarker(QwtDoublePoint p);
    void applyNewMarkerPosition(QwtDoublePoint p);
    void setRedPosition(double pos);
    void setBluePosition(double pos);

private:
    QVector<qreal> spectrumCompleteAsDouble() const;
    void updateSpectrumPlot();

    // pointers to shared objects (not exported to XML)
    PacEnergyContainer *container;

    // spectrum info
    quint8 detectorid;
    float angle_phi;
    float angle_theta;

    // results
    const PacCommonEnergyResult* beginning;
    const PacCommonEnergyResult* end;

    // gui states
    qreal redposition;
    qreal blueposition;
    qreal redenergy;
    qreal blueenergy;

    // widgets
    QPointer<QWidget> plotwidget;
    PacPlot * plot;
    QwtPlotCurve *curve;
    QwtPlotMarker *redmarker, *bluemarker;
    bool selectedredmarker;
    QLabel *infolabel;

    // tmp variables (not exported to XML)
    mutable QVector<qreal> spectrumcomplete;
};

#endif // PACENERGYSPECTRUM_H