PlotCurve.h

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00001 /***************************************************************************
00002     File                 : PlotCurve.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2007 by Ion Vasilief
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr
00007     Description          : AbstractPlotCurve and DataCurve classes
00008 
00009  ***************************************************************************/
00010 
00011 /***************************************************************************
00012  *                                                                         *
00013  *  This program is free software; you can redistribute it and/or modify   *
00014  *  it under the terms of the GNU General Public License as published by   *
00015  *  the Free Software Foundation; either version 2 of the License, or      *
00016  *  (at your option) any later version.                                    *
00017  *                                                                         *
00018  *  This program is distributed in the hope that it will be useful,        *
00019  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00020  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00021  *  GNU General Public License for more details.                           *
00022  *                                                                         *
00023  *   You should have received a copy of the GNU General Public License     *
00024  *   along with this program; if not, write to the Free Software           *
00025  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00026  *   Boston, MA  02110-1301  USA                                           *
00027  *                                                                         *
00028  ***************************************************************************/
00029 #ifndef PLOTCURVE_H
00030 #define PLOTCURVE_H
00031 
00032 #include <qwt_plot_curve.h>
00033 #include "Table.h"
00034 
00036 class PlotCurve: public QwtPlotCurve
00037 {
00038 
00039 public:
00040     PlotCurve(const char *name = 0): QwtPlotCurve(name), d_type(0){};
00041 
00042     int type(){return d_type;};
00043     void setType(int t){d_type = t;};
00044 
00045     QwtDoubleRect boundingRect() const;
00046 
00047 protected:
00048     int d_type;
00049 };
00050 
00051 class DataCurve: public PlotCurve
00052 {
00053 
00054 public:
00055     DataCurve(Table *t, const QString& xColName, const char *name, int startRow = 0, int endRow = -1);
00056 
00057     QString xColumnName(){return d_x_column;};
00058     void setXColumnName(const QString& name){d_x_column = name;};
00059 
00060     Table* table(){return d_table;};
00061 
00062     int startRow(){return d_start_row;};
00063     int endRow(){return d_end_row;};
00064     void setRowRange(int startRow, int endRow);
00065 
00066     bool isFullRange();
00067     void setFullRange();
00068 
00069     virtual bool updateData(Table *t, const QString& colName);
00070     virtual void loadData();
00071 
00073     int tableRow(int point);
00074 
00075     void remove();
00076 
00089     virtual QString plotAssociation();
00090     virtual void updateColumnNames(const QString& oldName, const QString& newName, bool updateTableName);
00091 
00093     QList<DataCurve *> errorBarsList(){return d_error_bars;};
00095     void addErrorBars(DataCurve *c){if (c) d_error_bars << c;};
00097     void removeErrorBars(DataCurve *c);
00099     void clearErrorBars();
00100 
00101     void setVisible(bool on);
00102 
00103 protected:
00105     QList <DataCurve *> d_error_bars;
00107     Table *d_table;
00109     /*
00110      *The column name used for Y values is stored in title().text().
00111      */
00112     QString d_x_column;
00113 
00114     int d_start_row;
00115     int d_end_row;
00116 };
00117 #endif

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