kchart_part.h

 
#ifndef KCHART_PART_H
#define KCHART_PART_H
 
 
#include <tdeconfig.h>
 
#include <koChart.h>
#include "kchart_params.h"
#include "koffice_export.h"
 
class KoXmlWriter;
class KoGenStyles;
namespace KChart
{
 
class KChartParams;
 
 
class KCHART_EXPORT KChartPart : public KoChart::Part
{
    TQ_OBJECT
  
 
public:
    KChartPart( TQWidget *parentWidget = 0, const char *widgetName = 0,
        TQObject* parent = 0, const char* name = 0,
        bool singleViewMode = false );
    ~KChartPart();
 
    // Methods inherited from KoDocument:
 
    virtual bool  initDoc(InitDocFlags flags, TQWidget* parentWidget=0);
 
    virtual void  paintContent( TQPainter& painter, const TQRect& rect,
                bool transparent = false,
                double zoomX = 1.0, double zoomY = 1.0 );
 
    // Methods unique to KChart, and available in the new interface
    // (see ../interfaces/koChart.h.)
 
    virtual void  resizeData( int rows, int columns );
    virtual void  setCellData( int row, int column, const TQVariant &);
    virtual void  analyzeHeaders( );
    virtual void  setCanChangeValue( bool b )  { m_bCanChangeValue = b;    }
 
    // ----------------------------------------------------------------
 
    void  analyzeHeaders( const KDChartTableData& data );
    void  doSetData( const KDChartTableData&  data,
             bool  firstColHeader,
             bool  firstRowHeader );
 
    bool showWizard( TQString &dataArea );
    void initLabelAndLegend();
    void loadConfig(TDEConfig *conf);
    void saveConfig(TDEConfig *conf);
    void defaultConfig();
 
    KChartParams::ChartType  chartType() const { return (KChartParams::ChartType) params()->chartType(); }
    KDChartTableData  *data()                  { return &m_currentData; }
    KChartParams      *params() const          { return m_params;       }
 
    TQStringList       &rowLabelTexts()         { return m_rowLabels;  }
    TQStringList       &colLabelTexts()         { return m_colLabels;  }
 
    // Save and load
    virtual TQDomDocument  saveXML();
    virtual bool          loadXML( TQIODevice *, const TQDomDocument& doc );
    virtual bool          loadOasis( const TQDomDocument& doc,
                     KoOasisStyles& oasisStyles,
                     const TQDomDocument& settings,
                     KoStore *store );
    virtual bool          saveOasis( KoStore* store,
                                     KoXmlWriter* manifestWriter );
 
    bool  canChangeValue()   const             { return m_bCanChangeValue; }
 
    void  initNullChart();
 
    // Functions that generate templates (not used yet):
    void  generateBarChartTemplate();
 
    virtual bool showEmbedInitDialog(TQWidget* parent);
 
public slots:
    void  slotModified();
    virtual void initEmpty();
 
signals:
    void docChanged();
 
protected:
    virtual KoView* createViewInstance( TQWidget* parent, const char* name );
    bool  loadOldXML( const TQDomDocument& doc );
    bool  loadAuxiliary( const TQDomDocument& doc );
    bool  loadData( const TQDomDocument& doc, KDChartTableData& currentData );
    bool  loadOasisData( const TQDomElement& tableElem );
    void  saveOasisData( KoXmlWriter* bodyWriter, KoGenStyles& mainStyles ) const;
    void writeAutomaticStyles( KoXmlWriter& contentWriter, KoGenStyles& mainStyles ) const;
 
private:
    // Helper methods for painting.
    int          createDisplayData();
    void         createLabelsAndLegend( TQStringList  &longLabels,
                    TQStringList  &shortLabels );
 
 
    TQDomElement  createElement(const TQString &tagName,
                   const TQFont &font,
                   TQDomDocument &doc) const;
    TQFont        toFont(TQDomElement &element)     const;
 
    void         setChartDefaults();
 
private:
    // The chart and its contents
    KChartParams            *m_params;      // Everything about the chart
    KDChartTableData         m_currentData; // The data in the chart.
    TQStringList              m_rowLabels;
    TQStringList              m_colLabels;
    //TQString                  m_regionName;
 
    // Other auxiliary values
    bool                     m_bCanChangeValue;
 
    // Graphics
    TQWidget                 *m_parentWidget;
 
    // Used when displaying.
    KDChartTableData         m_displayData;
 
    TQPixmap                  m_bufferPixmap;
};
 
 
class WizardExt : public KoChart::WizardExtension
{
public:
    WizardExt( KoChart::Part *part )
        : KoChart::WizardExtension( part ) {};
 
    virtual bool show( TQString &dataArea ) {
        return static_cast<KChartPart *>( part() )->showWizard( dataArea );
    }
};
 
}  //KChart namespace
 
#endif