|
|
#include "qchart.h"
|
|
|
#include "qchartseries.h"
|
|
|
#include "qscatterseries.h"
|
|
|
#include "qscatterseries_p.h"
|
|
|
#include "qpieseries.h"
|
|
|
#include "qpieseries_p.h"
|
|
|
#include "qxychartseries.h"
|
|
|
#include "qchartaxis.h"
|
|
|
#include "barchartseries.h"
|
|
|
#include "bargroup.h"
|
|
|
#include "stackedbarchartseries.h"
|
|
|
#include "stackedbargroup.h"
|
|
|
#include "percentbarchartseries.h"
|
|
|
#include "percentbargroup.h"
|
|
|
#include "charttheme_p.h"
|
|
|
#include "chartitem_p.h"
|
|
|
|
|
|
#include "xylinechartitem_p.h"
|
|
|
#include "plotdomain_p.h"
|
|
|
#include "axisitem_p.h"
|
|
|
#include <QGraphicsScene>
|
|
|
#include <QDebug>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
QChart::QChart(QGraphicsObject* parent) : QGraphicsObject(parent),
|
|
|
m_backgroundItem(0),
|
|
|
m_titleItem(0),
|
|
|
m_axisXItem(new AxisItem(AxisItem::X_AXIS, this)),
|
|
|
m_plotDataIndex(0),
|
|
|
m_marginSize(0),
|
|
|
m_chartTheme(new ChartTheme(this))
|
|
|
{
|
|
|
// TODO: the default theme?
|
|
|
setTheme(QChart::ChartThemeDefault);
|
|
|
|
|
|
PlotDomain domain;
|
|
|
m_plotDomainList << domain;
|
|
|
m_axisYItem << new AxisItem(AxisItem::Y_AXIS,this);
|
|
|
m_chartItems << m_axisXItem;
|
|
|
m_chartItems << m_axisYItem.at(0);
|
|
|
}
|
|
|
|
|
|
QChart::~QChart(){}
|
|
|
|
|
|
QRectF QChart::boundingRect() const
|
|
|
{
|
|
|
return m_rect;
|
|
|
}
|
|
|
|
|
|
void QChart::addSeries(QChartSeries* series)
|
|
|
{
|
|
|
// TODO: we should check the series not already added
|
|
|
|
|
|
m_chartSeries << series;
|
|
|
|
|
|
switch(series->type())
|
|
|
{
|
|
|
case QChartSeries::SeriesTypeLine: {
|
|
|
|
|
|
QXYChartSeries* xyseries = static_cast<QXYChartSeries*>(series);
|
|
|
m_plotDataIndex = 0 ;
|
|
|
m_plotDomainList.resize(1);
|
|
|
|
|
|
PlotDomain& domain = m_plotDomainList[m_plotDataIndex];
|
|
|
|
|
|
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);
|
|
|
|
|
|
m_chartItems << item;
|
|
|
// TODO:
|
|
|
//m_chartTheme->addObserver(xyseries);
|
|
|
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypeBar: {
|
|
|
|
|
|
qDebug() << "barSeries added";
|
|
|
BarChartSeries* barSeries = static_cast<BarChartSeries*>(series);
|
|
|
BarGroup* barGroup = new BarGroup(*barSeries,this);
|
|
|
|
|
|
// Add some fugly colors for 5 fist series...
|
|
|
barGroup->addColor(QColor(255,0,0,128));
|
|
|
barGroup->addColor(QColor(255,255,0,128));
|
|
|
barGroup->addColor(QColor(0,255,0,128));
|
|
|
barGroup->addColor(QColor(0,0,255,128));
|
|
|
barGroup->addColor(QColor(255,128,0,128));
|
|
|
|
|
|
m_chartItems << barGroup;
|
|
|
childItems().append(barGroup);
|
|
|
|
|
|
// TODO: setting of domain should this be somewhere else.
|
|
|
m_plotDataIndex = 0 ;
|
|
|
m_plotDomainList.resize(1);
|
|
|
|
|
|
qreal x = barSeries->countColumns();
|
|
|
qreal y = barSeries->max();
|
|
|
|
|
|
PlotDomain& domain = m_plotDomainList[m_plotDataIndex];
|
|
|
|
|
|
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);
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypeStackedBar: {
|
|
|
|
|
|
qDebug() << "barSeries added";
|
|
|
StackedBarChartSeries* stackedBarSeries = static_cast<StackedBarChartSeries*>(series);
|
|
|
StackedBarGroup* stackedBarGroup = new StackedBarGroup(*stackedBarSeries,this);
|
|
|
|
|
|
// Add some fugly colors for 5 fist series...
|
|
|
stackedBarGroup->addColor(QColor(255,0,0,128));
|
|
|
stackedBarGroup->addColor(QColor(255,255,0,128));
|
|
|
stackedBarGroup->addColor(QColor(0,255,0,128));
|
|
|
stackedBarGroup->addColor(QColor(0,0,255,128));
|
|
|
stackedBarGroup->addColor(QColor(255,128,0,128));
|
|
|
|
|
|
m_chartItems << stackedBarGroup;
|
|
|
childItems().append(stackedBarGroup);
|
|
|
|
|
|
// TODO: setting of domain should this be somewhere else.
|
|
|
m_plotDataIndex = 0 ;
|
|
|
m_plotDomainList.resize(1);
|
|
|
|
|
|
qreal x = stackedBarSeries->countColumns();
|
|
|
qreal y = stackedBarSeries->maxColumnSum();
|
|
|
|
|
|
PlotDomain& domain = m_plotDomainList[m_plotDataIndex];
|
|
|
|
|
|
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);
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypePercentBar: {
|
|
|
|
|
|
qDebug() << "barSeries added";
|
|
|
PercentBarChartSeries* percentBarSeries = static_cast<PercentBarChartSeries*>(series);
|
|
|
PercentBarGroup* percentBarGroup = new PercentBarGroup(*percentBarSeries,this);
|
|
|
|
|
|
// Add some fugly colors for 5 fist series...
|
|
|
percentBarGroup->addColor(QColor(255,0,0,128));
|
|
|
percentBarGroup->addColor(QColor(255,255,0,128));
|
|
|
percentBarGroup->addColor(QColor(0,255,0,128));
|
|
|
percentBarGroup->addColor(QColor(0,0,255,128));
|
|
|
percentBarGroup->addColor(QColor(255,128,0,128));
|
|
|
|
|
|
m_chartItems << percentBarGroup;
|
|
|
childItems().append(percentBarGroup);
|
|
|
|
|
|
// TODO: setting of domain should this be somewhere else.
|
|
|
m_plotDataIndex = 0 ;
|
|
|
m_plotDomainList.resize(1);
|
|
|
|
|
|
qreal x = percentBarSeries->countColumns();
|
|
|
|
|
|
PlotDomain& domain = m_plotDomainList[m_plotDataIndex];
|
|
|
|
|
|
domain.m_minX = qMin(domain.m_minX,x);
|
|
|
domain.m_minY = 0;
|
|
|
domain.m_maxX = qMax(domain.m_maxX,x);
|
|
|
domain.m_maxY = 100;
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypeScatter: {
|
|
|
QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series);
|
|
|
scatterSeries->d->m_theme = m_chartTheme->themeForSeries();
|
|
|
scatterSeries->d->setParentItem(this);
|
|
|
m_chartItems << scatterSeries->d;
|
|
|
m_chartTheme->addObserver(scatterSeries->d);
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypePie: {
|
|
|
QPieSeries *pieSeries = qobject_cast<QPieSeries *>(series);
|
|
|
pieSeries->d->setParentItem(this);
|
|
|
m_chartItems << pieSeries->d;
|
|
|
pieSeries->d->m_chartTheme = m_chartTheme;
|
|
|
m_chartTheme->addObserver(pieSeries->d);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Update all the items to match the new visible area of the chart
|
|
|
foreach(ChartItem* i, m_chartItems)
|
|
|
i->setPlotDomain(m_plotDomainList.at(m_plotDataIndex));
|
|
|
}
|
|
|
|
|
|
QChartSeries* QChart::createSeries(QChartSeries::QChartSeriesType type)
|
|
|
{
|
|
|
// TODO: support also other types; not only scatter and pie
|
|
|
|
|
|
QChartSeries *series(0);
|
|
|
|
|
|
switch (type) {
|
|
|
case QChartSeries::SeriesTypeLine: {
|
|
|
series = QXYChartSeries::create();
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypeBar: {
|
|
|
series = new BarChartSeries(this);
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypeStackedBar: {
|
|
|
series = new StackedBarChartSeries(this);
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypePercentBar: {
|
|
|
series = new PercentBarChartSeries(this);
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypeScatter: {
|
|
|
series = new QScatterSeries(this);
|
|
|
break;
|
|
|
}
|
|
|
case QChartSeries::SeriesTypePie: {
|
|
|
series = new QPieSeries(this);
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
Q_ASSERT(false);
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
addSeries(series);
|
|
|
return series;
|
|
|
}
|
|
|
|
|
|
void QChart::setSize(const QSize& size)
|
|
|
{
|
|
|
m_rect = QRect(QPoint(0,0),size);
|
|
|
QRect rect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
|
|
|
|
|
|
// recalculate title position
|
|
|
if (m_titleItem) {
|
|
|
QPointF center = m_rect.center() -m_titleItem->boundingRect().center();
|
|
|
m_titleItem->setPos(center.x(),m_rect.top()/2 + margin()/2);
|
|
|
}
|
|
|
|
|
|
//recalculate background gradient
|
|
|
if (m_backgroundItem) {
|
|
|
m_backgroundItem->setRect(rect);
|
|
|
if (m_bacgroundOrinetation == HorizonatlGradientOrientation)
|
|
|
m_backgroundGradient.setFinalStop(m_backgroundItem->rect().width(), 0);
|
|
|
else
|
|
|
m_backgroundGradient.setFinalStop(0, m_backgroundItem->rect().height());
|
|
|
m_backgroundItem->setBrush(m_backgroundGradient);
|
|
|
}
|
|
|
|
|
|
// resize and reposition childs
|
|
|
foreach (ChartItem *item, m_chartItems) {
|
|
|
item->setPos(rect.topLeft());
|
|
|
item->setSize(rect.size());
|
|
|
}
|
|
|
|
|
|
update();
|
|
|
}
|
|
|
|
|
|
void QChart::setBackground(const QColor& startColor, const QColor& endColor, GradientOrientation orientation)
|
|
|
{
|
|
|
|
|
|
if(!m_backgroundItem){
|
|
|
m_backgroundItem = new QGraphicsRectItem(this);
|
|
|
m_backgroundItem->setZValue(-1);
|
|
|
}
|
|
|
|
|
|
m_bacgroundOrinetation = orientation;
|
|
|
m_backgroundGradient.setColorAt(0.0, startColor);
|
|
|
m_backgroundGradient.setColorAt(1.0, endColor);
|
|
|
m_backgroundGradient.setStart(0,0);
|
|
|
|
|
|
if(orientation == VerticalGradientOrientation){
|
|
|
m_backgroundGradient.setFinalStop(0,m_rect.height());
|
|
|
}else{
|
|
|
m_backgroundGradient.setFinalStop(m_rect.width(),0);
|
|
|
}
|
|
|
|
|
|
m_backgroundItem->setBrush(m_backgroundGradient);
|
|
|
m_backgroundItem->setPen(Qt::NoPen);
|
|
|
m_backgroundItem->update();
|
|
|
}
|
|
|
|
|
|
void QChart::setTitle(const QString& title,const QFont& font)
|
|
|
{
|
|
|
if(!m_titleItem) m_titleItem = new QGraphicsTextItem(this);
|
|
|
m_titleItem->setPlainText(title);
|
|
|
m_titleItem->setFont(font);
|
|
|
}
|
|
|
|
|
|
int QChart::margin() const
|
|
|
{
|
|
|
return m_marginSize;
|
|
|
}
|
|
|
|
|
|
void QChart::setMargin(int margin)
|
|
|
{
|
|
|
m_marginSize = margin;
|
|
|
}
|
|
|
|
|
|
void QChart::setTheme(QChart::ChartThemeId theme)
|
|
|
{
|
|
|
m_chartTheme->setTheme(theme);
|
|
|
setBackground(m_chartTheme->d->m_gradientStartColor,
|
|
|
m_chartTheme->d->m_gradientEndColor,
|
|
|
m_bacgroundOrinetation);
|
|
|
|
|
|
// TODO: Move the controlling of the series presentations into private implementation of the
|
|
|
// series instead of QChart controlling themes for each
|
|
|
// In other words, the following should be used when creating xy series:
|
|
|
// m_chartTheme->addObserver(xyseries)
|
|
|
foreach (QChartSeries *series, m_chartSeries) {
|
|
|
if (series->type() == QChartSeries::SeriesTypeLine) {
|
|
|
QXYChartSeries *xyseries = static_cast<QXYChartSeries *>(series);
|
|
|
SeriesTheme seriesTheme = m_chartTheme->themeForSeries();
|
|
|
xyseries->setPen(seriesTheme.linePen);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
update();
|
|
|
}
|
|
|
|
|
|
void QChart::zoomInToRect(const QRect& rectangle)
|
|
|
{
|
|
|
|
|
|
if(!rectangle.isValid()) return;
|
|
|
|
|
|
qreal margin = this->margin();
|
|
|
|
|
|
QRect rect = rectangle.normalized();
|
|
|
rect.translate(-margin, -margin);
|
|
|
|
|
|
PlotDomain& oldDomain = m_plotDomainList[m_plotDataIndex];
|
|
|
|
|
|
PlotDomain domain = oldDomain.subDomain(rect,m_rect.width() - 2 * margin,m_rect.height() - 2 * margin);
|
|
|
|
|
|
m_plotDomainList.resize(m_plotDataIndex + 1);
|
|
|
m_plotDomainList<<domain;
|
|
|
m_plotDataIndex++;
|
|
|
|
|
|
foreach (ChartItem* item, m_chartItems)
|
|
|
item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
|
|
|
update();
|
|
|
}
|
|
|
|
|
|
void QChart::zoomIn()
|
|
|
{
|
|
|
if (m_plotDataIndex < m_plotDomainList.count() - 1) {
|
|
|
m_plotDataIndex++;
|
|
|
foreach (ChartItem* item, m_chartItems)
|
|
|
item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
|
|
|
update();
|
|
|
} else {
|
|
|
QRect rect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
|
|
|
rect.setWidth(rect.width()/2);
|
|
|
rect.setHeight(rect.height()/2);
|
|
|
rect.moveCenter(m_rect.center());
|
|
|
zoomInToRect(rect);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void QChart::zoomOut()
|
|
|
{
|
|
|
if (m_plotDataIndex > 0) {
|
|
|
m_plotDataIndex--;
|
|
|
foreach (ChartItem* item, m_chartItems)
|
|
|
item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
|
|
|
update();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void QChart::zoomReset()
|
|
|
{
|
|
|
if (m_plotDataIndex > 0) {
|
|
|
m_plotDataIndex = 0;
|
|
|
foreach (ChartItem* item, m_chartItems)
|
|
|
item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
|
|
|
update();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void QChart::setAxisX(const QChartAxis& axis)
|
|
|
{
|
|
|
setAxis(m_axisXItem,axis);
|
|
|
}
|
|
|
void QChart::setAxisY(const QChartAxis& axis)
|
|
|
{
|
|
|
setAxis(m_axisYItem.at(0),axis);
|
|
|
}
|
|
|
|
|
|
void QChart::setAxisY(const QList<QChartAxis>& axis)
|
|
|
{
|
|
|
//TODO not implemented
|
|
|
}
|
|
|
|
|
|
void QChart::setAxis(AxisItem *item, const QChartAxis& axis)
|
|
|
{
|
|
|
item->setVisible(axis.isAxisVisible());
|
|
|
}
|
|
|
|
|
|
#include "moc_qchart.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
