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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 "qchartaxis.h"
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#include "charttheme_p.h"
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#include "chartitem_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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//series
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#include "barchartseries.h"
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#include "stackedbarchartseries.h"
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#include "percentbarchartseries.h"
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#include "qxychartseries.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(0),
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m_plotDataIndex(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_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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m_dataset->addSeries(series);
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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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m_presenter->margin();
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}
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void QChart::setMargin(int margin)
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{
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m_presenter->setMargin(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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m_presenter->zoomInToRect(rectangle);
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}
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void QChart::zoomIn()
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{
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m_presenter->zoomIn();
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}
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void QChart::zoomOut()
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{
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m_presenter->zoomOut();
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}
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void QChart::zoomReset()
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{
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m_presenter->zoomReset();
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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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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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