plotmatrix.h

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#ifndef _PLOT_MATRIX_H_
#define _PLOT_MATRIX_H_

#include <qframe.h>
#include <qwt_plot.h>
#include <QGridLayout>
#include "plotwidget.h"

class PlotMatrix: public QFrame
{
    Q_OBJECT

public:
    PlotMatrix(QString name, PlotDataMap &datamap, QWidget * parent = NULL );
    virtual ~PlotMatrix();

    void addRow();
    void addColumn();
    void removeColumn(unsigned column_to_delete);
    void removeRow(unsigned row_to_delete);

    void removeEmpty();

    unsigned rowsCount() const;
    unsigned colsCount() const;
    unsigned plotCount() const;

    bool isRowEmpty(unsigned row ) const;
    bool isColumnEmpty(unsigned row ) const;

    PlotWidget* plotAt( unsigned row, unsigned column );
    const PlotWidget* plotAt( unsigned row, unsigned column ) const;

    PlotWidget* plotAt( unsigned index );
    const PlotWidget* plotAt( unsigned index ) const;

    void setAxisScale(QwtPlot::Axis axisId, unsigned row, unsigned col,
                      double min, double max, double step = 0 );

    QDomElement xmlSaveState(QDomDocument &doc) const;

    bool xmlLoadState(QDomElement &plotmatrix_element );

    void updateLayout();

    void replot();

    void setHorizontalLink(bool linked);

    void setName(const QString &new_name) ;

    const QString& name() const;

    QGridLayout* gridLayout();

public slots:
    void maximumZoomOutHorizontal();

    void maximumZoomOutVertical();

    void maximumZoomOut();


private slots:
    //  void swapWidgetByName(QString name_a, QString name_b);
    void on_singlePlotScaleChanged(PlotWidget* modified_plot, QRectF range);

private:
    void alignAxes(unsigned rowOrColumn, QwtPlot::Axis axisId );
    void alignScaleBorder( unsigned rowOrColumn, QwtPlot::Axis axisId );
    PlotWidget *addPlotWidget( unsigned row, unsigned col);
    void swapPlots( unsigned rowA, unsigned colA, unsigned rowB, unsigned colB);

    QGridLayout *_layout;
    unsigned _num_rows;
    unsigned _num_cols;
    bool _horizontal_link;

    PlotDataMap& _mapped_data;


    QString _name;

signals:
    void plotAdded(PlotWidget*);
    void undoableChange();

};

#endif