|
|
#include "qchart.h"
|
|
|
#include "qchartseries.h"
|
|
|
#include "qscatterseries.h"
|
|
|
#include "qscatterseries_p.h"
|
|
|
#include "qxychartseries.h"
|
|
|
#include "xylinechartitem_p.h"
|
|
|
#include "xyplotdomain_p.h"
|
|
|
#include "axis_p.h"
|
|
|
#include "xygrid_p.h"
|
|
|
#include <QGraphicsScene>
|
|
|
#include <QDebug>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
class QChartPrivate
|
|
|
{
|
|
|
public:
|
|
|
|
|
|
QChartPrivate(QChart* parent):
|
|
|
m_axisX(new Axis(parent)),
|
|
|
m_axisY(new Axis(parent)),
|
|
|
m_grid(new XYGrid(parent)),
|
|
|
m_plotDataIndex(0),
|
|
|
m_marginSize(0){}
|
|
|
|
|
|
Axis* m_axisX;
|
|
|
Axis* m_axisY;
|
|
|
XYGrid* m_grid;
|
|
|
QRect m_rect;
|
|
|
QList<const QChartSeries*> m_series;
|
|
|
QList<XYPlotDomain> m_plotDomainList;
|
|
|
QList<XYLineChartItem*> m_xyLineChartItems;
|
|
|
QList<QGraphicsItem*> m_items;
|
|
|
int m_plotDataIndex;
|
|
|
int m_marginSize;
|
|
|
|
|
|
};
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
QChart::QChart(QGraphicsItem* parent):QGraphicsItem(parent),
|
|
|
d_ptr(new QChartPrivate(this))
|
|
|
{
|
|
|
// setFlags(QGraphicsItem::ItemClipsChildrenToShape);
|
|
|
// set axis
|
|
|
Q_D(QChart);
|
|
|
d->m_axisY->rotate(90);
|
|
|
}
|
|
|
|
|
|
QChart::~QChart(){}
|
|
|
|
|
|
QRectF QChart::boundingRect() const
|
|
|
{
|
|
|
Q_D(const QChart);
|
|
|
return d->m_rect;
|
|
|
}
|
|
|
|
|
|
void QChart::addSeries(QChartSeries* series)
|
|
|
{
|
|
|
Q_D(QChart);
|
|
|
|
|
|
d->m_series<<series;
|
|
|
|
|
|
switch(series->type())
|
|
|
{
|
|
|
case QChartSeries::SeriesTypeLine: {
|
|
|
|
|
|
QXYChartSeries* xyseries = static_cast<QXYChartSeries*>(series);
|
|
|
|
|
|
XYPlotDomain domain;
|
|
|
//TODO "nice numbers algorithm"
|
|
|
domain.m_ticksX=4;
|
|
|
domain.m_ticksY=4;
|
|
|
|
|
|
for (int i = 0 ; i < xyseries->count() ; i++)
|
|
|
{
|
|
|
qreal x = xyseries->x(i);
|
|
|
qreal y = xyseries->y(i);
|
|
|
domain.m_minX = qMin(domain.m_minX,x);
|
|
|
domain.m_minY = qMin(domain.m_minY,y);
|
|
|
domain.m_maxX = qMax(domain.m_maxX,x);
|
|
|
domain.m_maxY = qMax(domain.m_maxY,y);
|
|
|
}
|
|
|
|
|
|
XYLineChartItem* item = new XYLineChartItem(xyseries,this);
|
|
|
item->updateXYPlotDomain(domain);
|
|
|
d->m_plotDomainList<<domain;
|
|
|
d->m_xyLineChartItems<<item;
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypeScatter: {
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QChartSeries* QChart::createSeries(QList<qreal> x, QList<qreal> y, QChartSeries::QChartSeriesType type)
|
|
|
{
|
|
|
Q_D(QChart);
|
|
|
|
|
|
// TODO: support also other types
|
|
|
Q_ASSERT(type == QChartSeries::SeriesTypeScatter);
|
|
|
QChartSeries *series = 0;
|
|
|
|
|
|
switch (type) {
|
|
|
case QChartSeries::SeriesTypeScatter: {
|
|
|
QScatterSeries *scatterSeries = new QScatterSeries(x, y, this);
|
|
|
d->m_items.append(scatterSeries->d);
|
|
|
scene()->addItem(scatterSeries->d);
|
|
|
//series = qobject_cast<QChartSeries *>(scatterSeries);
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
return series;
|
|
|
}
|
|
|
void QChart::setSize(const QSizeF& size)
|
|
|
{
|
|
|
Q_D(QChart);
|
|
|
d->m_rect = QRect(QPoint(0,0),size.toSize());
|
|
|
d->m_rect.adjust(margin(),margin(),-margin(),-margin());
|
|
|
d->m_grid->setPos(d->m_rect.topLeft());
|
|
|
d->m_grid->setSize(d->m_rect.size());
|
|
|
// TODO: line chart items would need to be updated separately as they don't support update
|
|
|
// via paint method
|
|
|
for (int i =0; i< d->m_plotDomainList.size();i++)
|
|
|
{
|
|
|
d->m_plotDomainList[i].m_viewportRect = d->m_rect;
|
|
|
|
|
|
}
|
|
|
|
|
|
foreach(XYLineChartItem* item , d->m_xyLineChartItems)
|
|
|
item->updateXYPlotDomain(d->m_plotDomainList.at(d->m_plotDataIndex));
|
|
|
|
|
|
d->m_grid->setXYPlotData(d->m_plotDomainList.at(d->m_plotDataIndex));
|
|
|
update();
|
|
|
}
|
|
|
|
|
|
int QChart::margin() const
|
|
|
{
|
|
|
Q_D(const QChart);
|
|
|
return d->m_marginSize;
|
|
|
}
|
|
|
|
|
|
void QChart::setMargin(int margin)
|
|
|
{
|
|
|
Q_D(QChart);
|
|
|
d->m_marginSize = margin;
|
|
|
}
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
