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