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** This file is part of the documentation of QtDataVis3D module.
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#include "chartmodifier.h"

#include <qmath.h>

#include <QDebug>

QT_DATAVIS3D_USE_NAMESPACE

ChartModifier::ChartModifier(Q3DSurface *chart)
    : m_chart(chart),
      m_xCount(10),
      m_zCount(10)
{
}

ChartModifier::~ChartModifier()
{
    delete m_chart;
}

void ChartModifier::toggleSmooth(bool enabled)
{
    qDebug() << "ChartModifier::toggleSmooth " << enabled;
    m_chart->setSmoothSurface(enabled);
}

void ChartModifier::toggleSurfaceGrid(bool enable)
{
    qDebug() << "ChartModifier::toggleSurfaceGrid" << enable;
    m_chart->setSurfaceGrid(enable);
}

void ChartModifier::toggleSqrtSin(bool enable)
{
    qreal biggest = -9999.0;
    qreal smallest = 9999.0;
    QList<qreal> series;

    if (enable) {
        qDebug() << "Create Sqrt&Sin surface, (" << m_xCount << ", " << m_zCount << ")";

        qreal stepZ = 16.0 / qreal(m_zCount);
        qreal stepX = 16.0 / qreal(m_xCount);

        for (qreal i = -8.0 + stepZ / 2.0 ; i < 8.0 ; i += stepZ) {
            for (qreal j = -8.0 + stepX / 2.0; j < 8.0; j += stepX) {
                qreal R = qSqrt(i*i + j*j) + 0.01;
                qreal y = (sin(R)/R + 0.24) * 1.61;
                series << y;
                if (y > biggest) biggest = y;
                if (y < smallest) smallest = y;
            }
        }

        m_chart->setSegmentCount(4, 0.5f);
        m_chart->appendSeries(series, m_xCount, m_zCount);

        qDebug() << "biggest = " << biggest << ", smallest = " << smallest;
    } else {
        qDebug() << "Remove surface";
    }
}

void ChartModifier::togglePlane(bool enable)
{
    qDebug() << "ChartModifier::togglePlane " << enable;
    if (enable) {
        QList<qreal> series;

        qreal y = 2.0 / qreal(m_zCount - 1);
        for (int i = 0; i < m_zCount; i++) {
            for (int j = 0; j < m_xCount; j++) {
                series << i * y;
            }
        }

        m_chart->setSegmentCount(4, 0.5f);
        m_chart->appendSeries(series, m_xCount, m_zCount);
    }
}

void ChartModifier::toggleGridSliderLock(bool enable)
{
    m_gridSlidersLocked = enable;
    if (m_gridSlidersLocked) {
        m_gridSliderZ->setEnabled(false);
        m_gridSliderZ->setValue(m_gridSliderX->value());
    } else {
        m_gridSliderZ->setEnabled(true);
    }
}

void ChartModifier::adjustXCount(int count)
{
    m_xCount = count;
    if (m_gridSlidersLocked)
        m_gridSliderZ->setValue(count);

    qDebug() << "X count = " << count;
}

void ChartModifier::adjustZCount(int count)
{
    m_zCount = count;

    qDebug() << "Z count = " << count;
}