/*****************************************************************************
 * Qwt Examples - Copyright (C) 2002 Uwe Rathmann
 * This file may be used under the terms of the 3-clause BSD License
 *****************************************************************************/

#pragma once

#include <QwtPlotItem>
#include <QwtScaleDiv>
#include <QPalette>

class GridItem : public QwtPlotItem
{
  public:
    enum GridAttribute
    {
        AutoUpdate = 0x01,
        FillCanvas = 0x02
    };

    typedef QFlags< GridAttribute > GridAttributes;

    explicit GridItem();
    virtual ~GridItem();

    virtual int rtti() const QWT_OVERRIDE;

    void setGridAttribute( GridAttribute, bool on = true );
    bool testGridAttribute( GridAttribute ) const;

    void setOrientations( Qt::Orientations );
    Qt::Orientations orientations() const;

    void enableXMin( bool );
    bool isXMinEnabled() const;

    void enableYMin( bool );
    bool isYMinEnabled() const;

    void setXDiv( const QwtScaleDiv& sx );
    const QwtScaleDiv& xScaleDiv() const;

    void setYDiv( const QwtScaleDiv& sy );
    const QwtScaleDiv& yScaleDiv() const;

    void setPalette( const QPalette& );
    QPalette palette() const;

    virtual void draw( QPainter*,
        const QwtScaleMap& xMap, const QwtScaleMap& yMap,
        const QRectF& rect ) const QWT_OVERRIDE;

    virtual void updateScaleDiv(
        const QwtScaleDiv& xMap, const QwtScaleDiv& yMap ) QWT_OVERRIDE;

  protected:
    virtual QBrush brush( int row, int column, const QRectF& ) const;

  private:
    Qt::Orientations m_orientations;
    GridAttributes m_gridAttributes;

    QwtScaleDiv m_xScaleDiv;
    QwtScaleDiv m_yScaleDiv;

    bool m_isXMinEnabled;
    bool m_isYMinEnabled;

    QPalette m_palette;
};

Q_DECLARE_OPERATORS_FOR_FLAGS( GridItem::GridAttributes )