ProjectionsPlot.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/coregui/Views/IntensityDataWidgets/ProjectionsPlot.h
//! @brief     Defines class ProjectionsPlot
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifndef BORNAGAIN_GUI_COREGUI_VIEWS_INTENSITYDATAWIDGETS_PROJECTIONSPLOT_H
#define BORNAGAIN_GUI_COREGUI_VIEWS_INTENSITYDATAWIDGETS_PROJECTIONSPLOT_H
 
#include "GUI/coregui/Views/CommonWidgets/SessionItemWidget.h"
#include <QMap>
#include <memory>
#include <qcustomplot.h>
 
class IntensityDataItem;
class ProjectionContainerItem;
class Histogram2D;
class QCPGraph;
 
//! A customplot based widget to display projections of IntensityDataItem on X,Y axes.
 
class ProjectionsPlot : public SessionItemWidget {
    Q_OBJECT
 
public:
    ProjectionsPlot(const QString& projectionType, QWidget* parent = 0);
    ~ProjectionsPlot();
 
public slots:
    void onMarginsChanged(double left, double right);
 
protected:
    void subscribeToItem();
    void unsubscribeFromItem();
 
    void onProjectionPropertyChanged(SessionItem* item, const QString& property);
 
private:
    IntensityDataItem* intensityItem();
    ProjectionContainerItem* projectionContainerItem();
    QVector<SessionItem*> projectionItems();
    QCPGraph* graphForItem(SessionItem* item);
    void unsubscribeFromChildren();
 
    void updateProjectionsData();
    void updateProjections();
    void updateAxesRange();
    void updateAxesTitle();
    void clearProjections();
    void clearProjection(SessionItem* item);
    void onIntensityItemPropertyChanged(const QString& propertyName);
    void onAxisPropertyChanged(const QString& axisName, const QString& propertyName);
 
    void setGraphFromItem(QCPGraph* graph, SessionItem* item);
 
    void setInterpolate(bool isInterpolated);
    void setLogz(bool isLogz);
 
    void replot();
 
    bool isHorizontalType();
 
    QString m_projectionType;
    QCustomPlot* m_customPlot;
    std::unique_ptr<Histogram2D> m_hist2d;
    QMap<SessionItem*, QCPGraph*> m_item_to_graph;
    bool m_block_plot_update;
};
 
#endif // BORNAGAIN_GUI_COREGUI_VIEWS_INTENSITYDATAWIDGETS_PROJECTIONSPLOT_H