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#include "chartdataset_p.h"
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#include "qchartaxis.h"
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//series
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#include "qlineseries.h"
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#include "qbarseries.h"
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#include "qstackedbarseries.h"
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#include "qpercentbarseries.h"
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#include "qpieseries.h"
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#include "qscatterseries.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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ChartDataSet::ChartDataSet(QObject *parent):QObject(parent),
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m_axisX(new QChartAxis(this)),
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m_axisY(new QChartAxis(this)),
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m_domainIndex(0),
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m_axisXInitialized(false)
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{
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}
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ChartDataSet::~ChartDataSet()
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{
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// TODO Auto-generated destructor stub
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}
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const Domain ChartDataSet::domain(QChartAxis *axisY) const
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{
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int i = m_domainMap.count(axisY);
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if(i == 0){
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return Domain();
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}
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i = i - m_domainIndex -1;
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return m_domainMap.values(axisY).at(i);
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}
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void ChartDataSet::addSeries(QSeries* series, QChartAxis *axisY)
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{
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// TODO: we should check the series not already added
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series->setParent(this); // take ownership
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clearDomains();
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if(axisY==0) axisY = m_axisY;
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axisY->setParent(this); // take ownership
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QList<QSeries*> seriesList = m_seriesMap.values(axisY);
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QList<Domain> domainList = m_domainMap.values(axisY);
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Q_ASSERT(domainList.size()<=1);
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Domain domain;
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if(domainList.size()>0) domain = domainList.at(0);
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switch(series->type())
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{
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case QSeries::SeriesTypeLine: {
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QLineSeries* xyseries = static_cast<QLineSeries*>(series);
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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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break;
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}
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case QSeries::SeriesTypeBar: {
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qDebug() << "QChartSeries::SeriesTypeBar";
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QBarSeries* barSeries = static_cast<QBarSeries*>(series);
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qreal x = barSeries->categoryCount();
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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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break;
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}
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case QSeries::SeriesTypeStackedBar: {
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qDebug() << "QChartSeries::SeriesTypeStackedBar";
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QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series);
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qreal x = stackedBarSeries->categoryCount();
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qreal y = stackedBarSeries->maxCategorySum();
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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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break;
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}
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case QSeries::SeriesTypePercentBar: {
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qDebug() << "QChartSeries::SeriesTypePercentBar";
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QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series);
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qreal x = percentBarSeries->categoryCount();
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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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break;
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}
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case QSeries::SeriesTypePie: {
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QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
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// TODO: domain stuff
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break;
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}
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case QSeries::SeriesTypeScatter: {
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QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series);
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Q_ASSERT(scatterSeries);
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foreach (QPointF point, scatterSeries->data()) {
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domain.m_minX = qMin(domain.m_minX, point.x());
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domain.m_maxX = qMax(domain.m_maxX, point.x());
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domain.m_minY = qMin(domain.m_minY, point.y());
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domain.m_maxY = qMax(domain.m_maxY, point.y());
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}
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break;
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}
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default: {
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qDebug()<<__FUNCTION__<<"type" << series->type()<<"not supported";
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return;
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break;
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}
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}
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if(!m_domainMap.contains(axisY))
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{
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emit axisAdded(axisY);
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QObject::connect(axisY,SIGNAL(rangeChanged(QChartAxis*)),this,SLOT(handleRangeChanged(QChartAxis*)));
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QObject::connect(axisY,SIGNAL(ticksChanged(QChartAxis*)),this,SLOT(handleTickChanged(QChartAxis*)));
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}
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if(!m_axisXInitialized)
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{
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emit axisAdded(axisX());
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QObject::connect(axisX(),SIGNAL(rangeChanged(QChartAxis*)),this,SLOT(handleRangeChanged(QChartAxis*)));
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QObject::connect(axisX(),SIGNAL(ticksChanged(QChartAxis*)),this,SLOT(handleTickChanged(QChartAxis*)));
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m_axisXInitialized=true;
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}
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m_domainMap.replace(axisY,domain);
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m_seriesMap.insert(axisY,series);
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emit seriesAdded(series);
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setDomain(m_domainIndex);
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}
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void ChartDataSet::removeSeries(QSeries* series)
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{
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QList<QChartAxis*> keys = m_seriesMap.uniqueKeys();
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foreach(QChartAxis* axis , keys) {
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if(m_seriesMap.contains(axis,series)){
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emit seriesRemoved(series);
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m_seriesMap.remove(axis,series);
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//remove axis if no longer there
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if(!m_seriesMap.contains(axis)){
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emit axisRemoved(axis);
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m_domainMap.remove(axis);
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if(axis != m_axisY)
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delete axis;
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}
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series->setParent(0);
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break;
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}
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}
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}
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void ChartDataSet::removeAllSeries()
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{
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QList<QChartAxis*> keys = m_seriesMap.uniqueKeys();
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foreach(QChartAxis* axis , keys) {
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QList<QSeries*> seriesList = m_seriesMap.values(axis);
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for(int i =0 ; i < seriesList.size();i++ )
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{
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emit seriesRemoved(seriesList.at(i));
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delete(seriesList.at(i));
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}
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m_seriesMap.remove(axis);
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m_domainMap.remove(axis);
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emit axisRemoved(axis);
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if(axis != m_axisY) delete axis;
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}
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m_domainIndex=0;
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}
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bool ChartDataSet::nextDomain()
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{
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int limit = (m_domainMap.values().size()/m_domainMap.uniqueKeys().size())-1;
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if (m_domainIndex < limit) {
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m_domainIndex++;
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setDomain(m_domainIndex);
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return true;
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}
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else {
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return false;
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}
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}
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bool ChartDataSet::previousDomain()
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{
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if (m_domainIndex > 0) {
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m_domainIndex--;
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setDomain(m_domainIndex);
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return true;
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}
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else {
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return false;
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}
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}
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void ChartDataSet::setDomain(int index)
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{
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QList<QChartAxis*> domainList = m_domainMap.uniqueKeys();
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if(domainList.count()==0) return;
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Domain domain;
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foreach (QChartAxis* axis , domainList) {
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int i = m_domainMap.count(axis) - index -1;
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Q_ASSERT(i>=0);
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domain = m_domainMap.values(axis).at(i);
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QStringList labels = createLabels(axis,domain.m_minY,domain.m_maxY);
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QList<QSeries*> seriesList = m_seriesMap.values(axis);
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foreach(QSeries* series, seriesList) {
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emit seriesDomainChanged(series,domain);
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}
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axis->setRange(domain.m_minY,domain.m_maxY);
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emit axisRangeChanged(axis,labels);
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}
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QStringList labels = createLabels(axisX(),domain.m_minX,domain.m_maxX);
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axisX()->setRange(domain.m_minX,domain.m_maxY);
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emit axisRangeChanged(axisX(),labels);
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}
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void ChartDataSet::clearDomains(int toIndex)
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{
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Q_ASSERT(toIndex>=0);
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m_domainIndex = toIndex;
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QList<QChartAxis*> keys = m_domainMap.uniqueKeys();
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foreach (QChartAxis* key , keys)
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{
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QList<Domain> domains = m_domainMap.values(key);
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m_domainMap.remove(key);
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int i = domains.size() - toIndex - 1;
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while(i--){
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domains.removeFirst();
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}
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for(int j=domains.size()-1; j>=0 ;j--)
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m_domainMap.insert(key,domains.at(j));
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}
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}
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void ChartDataSet::addDomain(const QRectF& rect, const QRectF& viewport)
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{
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Q_ASSERT(rect.isValid());
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Q_ASSERT(viewport.isValid());
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clearDomains(m_domainIndex);
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QList<QChartAxis*> domainList = m_domainMap.uniqueKeys();
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Domain domain;
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foreach (QChartAxis* axis , domainList){
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domain = m_domainMap.value(axis).subDomain(rect,viewport.width(),viewport.height());
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m_domainMap.insert(axis,domain);
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}
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setDomain(++m_domainIndex);
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}
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QChartAxis* ChartDataSet::axisY(QSeries* series) const
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{
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if(series == 0) return m_axisY;
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QList<QChartAxis*> keys = m_seriesMap.uniqueKeys();
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foreach(QChartAxis* axis , keys) {
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if(m_seriesMap.contains(axis,series)){
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return axis;
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}
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}
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return 0;
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}
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QStringList ChartDataSet::createLabels(QChartAxis* axis,qreal min, qreal max)
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{
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Q_ASSERT(max>=min);
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QStringList labels;
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int ticks = axis->ticksCount()-1;
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for(int i=0; i<= ticks; i++){
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qreal value = min + (i * (max - min)/ ticks);
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QString label = axis->axisTickLabel(value);
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if(label.isEmpty()){
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labels << QString::number(value);
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}else{
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labels << label;
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}
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}
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return labels;
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}
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void ChartDataSet::handleRangeChanged(QChartAxis* axis)
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{
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qreal min = axis->min();
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qreal max = axis->max();
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if(axis==axisX()) {
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m_domainIndex=0;
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clearDomains(m_domainIndex);
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QList<QChartAxis*> domainList = m_domainMap.uniqueKeys();
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foreach (QChartAxis* axis , domainList) {
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Q_ASSERT(m_domainMap.values(axis).size()==1);
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Domain domain = m_domainMap.value(axis);
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domain.m_minX=min;
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domain.m_maxX=max;
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m_domainMap.replace(axis,domain);
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}
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}
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else {
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QList<Domain> domains = m_domainMap.values(axis);
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m_domainMap.remove(axis);
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for(int i=0;i<domains.size();i++)
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{
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domains[i].m_minY=min;
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domains[i].m_maxY=max;
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}
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for(int j=domains.size()-1; j>=0;j--)
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m_domainMap.insert(axis,domains.at(j));
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}
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setDomain(m_domainIndex);
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}
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void ChartDataSet::handleTickChanged(QChartAxis* axis)
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{
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if(axis==axisX()){
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Domain domain = m_domainMap.value(axisY());
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QStringList labels = createLabels(axis,domain.m_minX,domain.m_maxX);
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emit axisRangeChanged(axis,labels);
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}else{
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Domain domain = m_domainMap.value(axis);
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QStringList labels = createLabels(axis,domain.m_minY,domain.m_maxY);
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emit axisRangeChanged(axis,labels);
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}
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}
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#include "moc_chartdataset_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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