PlotCurve.h

Go to the documentation of this file.

/***************************************************************************
    File                 : PlotCurve.h
    Project              : SciDAVis
    --------------------------------------------------------------------
    Copyright            : (C) 2007 by Ion Vasilief
    Email (use @ for *)  : ion_vasilief*yahoo.fr
    Description          : AbstractPlotCurve and DataCurve classes

 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *  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., 51 Franklin Street, Fifth Floor,                    *
 *   Boston, MA  02110-1301  USA                                           *
 *                                                                         *
 ***************************************************************************/
#ifndef PLOTCURVE_H
#define PLOTCURVE_H

#include <qwt_plot_curve.h>
#include "Table.h"

class PlotCurve: public QwtPlotCurve
{

public:
    PlotCurve(const QString &name = QString::null): QwtPlotCurve(name), d_type(0){};

    int type() const {return d_type;};
    void setType(int t){d_type = t;};

    QwtDoubleRect boundingRect() const;

protected:
    int d_type;
};

class DataCurve: public PlotCurve
{

public:
    DataCurve(Table *t, const QString& xColName, const QString &name, int startRow = 0, int endRow = -1);

    QString xColumnName(){return d_x_column;};
    void setXColumnName(const QString& name){d_x_column = name;};

    QString yColumnName() { return title().text(); }
    void setYColumnName(const QString& name) { setTitle(name); }

    Table* table(){return d_table;};

    int startRow(){return d_start_row;};
    int endRow(){return d_end_row;};
    void setRowRange(int startRow, int endRow);

    bool isFullRange();
    void setFullRange();

    virtual bool updateData(Table *t, const QString& colName);
    virtual bool loadData();
    QList< QVector<double> > convertData(const QList<Column*> &cols, const QList<int> &axes) const;

    int tableRow(int point);

    void remove();

    virtual QString plotAssociation();
    virtual void updateColumnNames(const QString& oldName, const QString& newName, bool updateTableName);

    QList<DataCurve *> errorBarsList(){return d_error_bars;};
    void addErrorBars(DataCurve *c){if (c) d_error_bars << c;};
    void removeErrorBars(DataCurve *c);
    void clearErrorBars();

    void setVisible(bool on);

    bool hasSelectedLabels();
    void setLabelsSelected(bool on = true);

protected:
    Table *d_table;
    QList <DataCurve *> d_error_bars;
    /*
     *The column name used for Y values is stored in title().text().
     */
    QString d_x_column;
    int d_start_row;
    int d_end_row;

private:

    mutable QVector<int> d_index_to_row;
    bool validCurveType();
};
#endif