Plot1D.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/coregui/Views/IntensityDataWidgets/Plot1D.h
//! @brief     Defines class Plot1D
//!
//! @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_PLOT1D_H
#define BORNAGAIN_GUI_COREGUI_VIEWS_INTENSITYDATAWIDGETS_PLOT1D_H
 
#include "GUI/coregui/Views/IntensityDataWidgets/ScientificPlot.h"
#include <qcustomplot.h>
 
class BasicAxisItem;
class DataItem;
class Data1DViewItem;
class Data1DProperties;
class SpecularPlotEvent;
class UpdateTimer;
 
//! The Plot1D class presents data of several 1D DataItems contained in a
//! Data1DViewItem. Provides minimal functionality for data plotting and axes interaction. Should be
//! a component for more complicated plotting widgets.
 
class Plot1D : public ScientificPlot {
    Q_OBJECT
 
public:
    explicit Plot1D(QWidget* parent = nullptr);
 
    QSize sizeHint() const override { return QSize(500, 400); }
    QSize minimumSizeHint() const override { return QSize(128, 128); }
 
    //! Returns PlotEventInfo corresponding to given axes coordinates.
    PlotEventInfo eventInfo(double xpos, double ypos) const override;
 
    QCustomPlot* customPlot() override { return m_custom_plot; }
    const QCustomPlot* customPlot() const override { return m_custom_plot; }
 
    //! sets logarithmic scale
    void setLog(bool log);
 
    //! reset all axes min,max to initial value
    void resetView();
 
private slots:
    //! updates plot depending on  IntensityDataItem properties
    void onPropertyChanged(const QString& property_name);
 
    //! Propagate xmin, xmax back to IntensityDataItem
    void onXaxisRangeChanged(QCPRange newRange);
 
    //! Propagate ymin, ymax back to IntensityDataItem
    void onYaxisRangeChanged(QCPRange newRange);
 
    //! Replots SpecularPlot.
    void onTimeToReplot();
 
protected:
    void subscribeToItem() override;
    void unsubscribeFromItem() override;
 
private:
    //! creates and initializes the color map
    void initPlots();
 
    void setConnected(bool isConnected);
 
    //! Connects/disconnects signals related to SpecularPlot's X,Y axes rectangle change.
    void setAxesRangeConnected(bool isConnected);
 
    void setUpdateTimerConnected(bool isConnected);
 
    //! Refresh axes' labels, range and graph data.
    void refreshPlotData();
 
    //! Sets (xmin,xmax) and (ymin,ymax) of SpecularPlot from specular item.
    //! Also sets logarithmic scale on y-axis if necessary.
    void setAxesRangeFromItem(Data1DViewItem* item);
 
    //! Sets X,Y axes labels from item
    void setAxesLabelsFromItem(Data1DViewItem* item);
 
    //! Sets label to axis
    void setLabel(const BasicAxisItem* item, QCPAxis* axis, QString label);
 
    //! Sets data to graphs.
    void updateAllGraphs();
 
    //! Sets data to the graph corresponding to the passed Data1DProperties.
    void updateGraph(Data1DProperties* item);
 
    Data1DViewItem* viewItem();
    const Data1DViewItem* viewItem() const;
 
    void modifyAxesProperties(const QString& axisName, const QString& propertyName);
 
    //! Schedule replot for later execution by onTimeReplot() slot.
    void replot();
 
    QCustomPlot* m_custom_plot;
    UpdateTimer* m_update_timer;
    std::map<Data1DProperties*, QCPGraph*> m_graph_map;
 
    bool m_block_update;
};
 
#endif // BORNAGAIN_GUI_COREGUI_VIEWS_INTENSITYDATAWIDGETS_PLOT1D_H