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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 "chartitem_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 "chartpresenter_p.h"
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#include "chartdataset_p.h"
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#include <QGraphicsScene>
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#include <QGraphicsSceneResizeEvent>
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#include <QDebug>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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QChart::QChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QGraphicsWidget(parent,wFlags),
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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(this)),
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m_dataset(0),
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//m_dataset(new ChartDataSet(this)),
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m_presenter(0)
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//m_presenter(new ChartPresenter(this,m_dataset))
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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_chartItems << m_axisXItem;
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m_chartItems << m_axisYItem.at(0);
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}
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QChart::~QChart(){}
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void QChart::addSeries(QChartSeries* series)
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{
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if(m_dataset) {
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m_dataset->addSeries(series);
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return;
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}
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Q_ASSERT(series);
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Q_ASSERT(series->type() != QChartSeries::SeriesTypeInvalid);
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// TODO: we should check the series not already added
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m_chartSeries << 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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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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for (int i = 0 ; i < xyseries->count() ; i++) {
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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,0,this);
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//m_chartItems << item;
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// TODO:
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//m_chartTheme->addObserver(xyseries);
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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_chartItems << barGroup;
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childItems().append(barGroup);
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qreal x = barSeries->countColumns();
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qreal y = barSeries->max();
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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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m_axisXItem->setVisible(false);
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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_chartItems << stackedBarGroup;
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childItems().append(stackedBarGroup);
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qreal x = stackedBarSeries->countColumns();
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qreal y = stackedBarSeries->maxColumnSum();
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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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m_axisXItem->setVisible(false);
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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_chartItems << percentBarGroup;
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childItems().append(percentBarGroup);
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qreal x = percentBarSeries->countColumns();
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domain.m_minX = qMin(domain.m_minX,x);
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domain.m_minY = 0;
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domain.m_maxX = qMax(domain.m_maxX,x);
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domain.m_maxY = 100;
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m_axisXItem->setVisible(false);
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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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scatterSeries->d->m_boundingRect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
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m_chartItems << scatterSeries->d;
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m_chartTheme->addObserver(scatterSeries->d);
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foreach (qreal x, scatterSeries->d->m_x) {
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domain.m_minX = qMin(domain.m_minX, x);
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domain.m_maxX = qMax(domain.m_maxX, x);
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}
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foreach (qreal y, scatterSeries->d->m_y) {
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domain.m_minY = qMin(domain.m_minY, y);
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domain.m_maxY = qMax(domain.m_maxY, y);
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}
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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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pieSeries->d->setParentItem(this);
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m_chartItems << pieSeries->d;
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pieSeries->d->m_chartTheme = m_chartTheme;
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m_chartTheme->addObserver(pieSeries->d);
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break;
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}
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default:
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break;
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}
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// Update all the items to match the new visible area of the chart
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foreach(ChartItem* i, m_chartItems)
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i->setPlotDomain(m_plotDomainList.at(m_plotDataIndex));
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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::setChartBackgroundBrush(const QBrush& brush)
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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_backgroundItem->setBrush(brush);
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m_backgroundItem->update();
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}
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void QChart::setChartBackgroundPen(const QPen& pen)
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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_backgroundItem->setPen(pen);
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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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m_chartTheme->setTheme(theme);
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QLinearGradient backgroundGradient;
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backgroundGradient.setColorAt(0.0, m_chartTheme->d->m_gradientStartColor);
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backgroundGradient.setColorAt(1.0, m_chartTheme->d->m_gradientEndColor);
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backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
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setChartBackgroundBrush(backgroundGradient);
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// TODO: Move the controlling of the series presentations into private implementation of the
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// series instead of QChart controlling themes for each
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// In other words, the following should be used when creating xy series:
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// m_chartTheme->addObserver(xyseries)
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foreach (QChartSeries *series, m_chartSeries) {
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if (series->type() == QChartSeries::SeriesTypeLine) {
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QXYChartSeries *xyseries = static_cast<QXYChartSeries *>(series);
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SeriesTheme seriesTheme = m_chartTheme->themeForSeries();
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xyseries->setPen(seriesTheme.linePen);
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}
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}
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update();
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}
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QChart::ChartThemeId QChart::theme()
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{
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return (QChart::ChartThemeId) m_chartTheme->d->m_currentTheme;
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}
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void QChart::zoomInToRect(const QRectF& 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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QRectF 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 (ChartItem* item, m_chartItems)
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item->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 (ChartItem* item, m_chartItems)
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item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
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update();
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} else {
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QRectF 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 (ChartItem* item, m_chartItems)
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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 (ChartItem* item, m_chartItems)
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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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void QChart::resizeEvent(QGraphicsSceneResizeEvent *event)
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{
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m_rect = QRectF(QPoint(0,0),event->newSize());
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QRectF 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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}
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// resize and reposition childs
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foreach (ChartItem *item, m_chartItems) {
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item->setPos(rect.topLeft());
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item->setSize(rect.size());
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}
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QGraphicsWidget::resizeEvent(event);
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update();
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}
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#include "moc_qchart.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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