kchart_params.h

/* This file is part of the KDE project
   Copyright (C) 2001,2002,2003,2004 Laurent Montel <montel@kde.org>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
 
#ifndef KCHART_PARAMS_H
#define KCHART_PARAMS_H
 
 
class KoXmlWriter;
class KoGenStyles;
class KoOasisLoadingContext;
class KoStore;
class KDChartParams;
class DCOPObject;
 
 
#include "kdchart/KDChartParams.h"
 
 
namespace KChart
{
 
class KChartPart;
 
class KChartParams : public KDChartParams
{
  public:
    typedef enum {
    // From KDChart
    NoType     = KDChartParams::NoType,
    Bar        = KDChartParams::Bar,
    Line       = KDChartParams::Line,
    Area       = KDChartParams::Area,
    Pie        = KDChartParams::Pie,
    HiLo       = KDChartParams::HiLo,
    Ring       = KDChartParams::Ring,
    Polar      = KDChartParams::Polar,
    BoxWhisker = KDChartParams::BoxWhisker
 
    } ChartType;
 
    // Data direction
    typedef  enum {
    DataRows    = 0,
    DataColumns = 1
    } DataDirection;
 
 
    KChartParams( KChartPart *_part );
    ~KChartParams();
 
    KChartPart * part() const { return m_part; }
 
    // ----------------------------------------------------------------
    // Reimplementation of selected KDChartParams methods
    ChartType  chartType() const            { return m_chartType; }
    void       setChartType( ChartType _type ) {
    m_chartType = _type;
    KDChartParams::setChartType( (KDChartParams::ChartType) _type );
    }
 
    // Data in rows or columns.
    DataDirection  dataDirection() const    { return m_dataDirection; }
    void           setDataDirection( DataDirection _dir ) {
    m_dataDirection = _dir;
    }
 
    TQString    chartTypeToString( ChartType _type) const;
    ChartType  stringToChartType( const TQString& string );
 
 
    bool       firstRowAsLabel() const { return m_firstRowAsLabel; }
    void       setFirstRowAsLabel( bool _val );
    bool       firstColAsLabel() const { return m_firstColAsLabel; }
    void       setFirstColAsLabel( bool _val );
 
    // Data area
    TQString    dataArea() const    { return m_dataArea; }
    void       setDataArea( TQString dataArea ) {
    m_dataArea = dataArea;
    }
 
 
    // ----------------------------------------------------------------
    // BAR CHART EXTENSIONS TO SUPPORT OPENDOCUMENT
 
public slots:
 
    void setBarNumLines( int _numLines ) {
    m_barNumLines = _numLines;
    emit changed();
    }
 
    int barNumLines() const {
    return m_barNumLines;
    }
 
    // ----------------------------------------------------------------
 
 public:
 
    DCOPObject  *dcopObject();
 
    bool loadOasis( const TQDomElement     &chartElem,
            KoOasisLoadingContext &loadingContext,
                    TQString               &errorMessage,
            KoStore               *store );
    void saveOasis( KoXmlWriter* bodyWriter, KoGenStyles& mainStyles ) const;
 
 private:
    bool loadOasisPlotarea( const TQDomElement     &plotareaElem,
                KoOasisLoadingContext &loadingContext,
                TQString               &errorMessage );
    bool loadOasisAxis( const TQDomElement         &axisElem,
            KoOasisLoadingContext     &loadingContext,
            TQString                   &errorMessage,
            KDChartAxisParams::AxisPos axisPos );
    void loadOasisFont( KoOasisLoadingContext& context, TQFont& font, TQColor& color );
 
    void saveOasisPlotArea( KoXmlWriter* bodyWriter, KoGenStyles& mainStyles ) const;
    void saveOasisAxis( KoXmlWriter* bodyWriter, KoGenStyles& mainStyles,
                        KDChartAxisParams::AxisPos axisPos, 
            const char* axisName ) const;
    TQString saveOasisFont( KoGenStyles& mainStyles, const TQFont& font, 
               const TQColor& color ) const;
    
 private:
    KChartPart    *m_part;
 
    // Info about the chart itself.
    ChartType      m_chartType;
 
    // Info about the data.
    DataDirection  m_dataDirection; // Rows or Columns
    bool           m_firstRowAsLabel;
    bool           m_firstColAsLabel;
 
    TQString        m_dataArea;
 
    // Extensions to support OpenDocument
    int            m_barNumLines; // Number of lines in a bar chart.
 
    DCOPObject    *m_dcop;
};
 
}  //KChart namespace
 
#endif