##// END OF EJS Templates
Separated legend marker to private header. Added signals for left and right mouse click
Separated legend marker to private header. Added signals for left and right mouse click

File last commit:

r538:3b2495c81f70
r547:2c194d26bbea
Show More
chartdataset.cpp
315 lines | 8.3 KiB | text/x-c | CppLexer
#include "chartdataset_p.h"
#include "qchartaxis.h"
//series
#include "qlineseries.h"
#include "qareaseries.h"
#include "qbarseries.h"
#include "qstackedbarseries.h"
#include "qpercentbarseries.h"
#include "qpieseries.h"
#include "qscatterseries.h"
#include "qsplineseries.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ChartDataSet::ChartDataSet(QObject *parent):QObject(parent),
m_axisX(new QChartAxis(this)),
m_axisY(new QChartAxis(this)),
m_domainIndex(0),
m_axisXInitialized(false)
{
}
ChartDataSet::~ChartDataSet()
{
}
void ChartDataSet::addSeries(QSeries* series, QChartAxis *axisY)
{
if(axisY==0) axisY = m_axisY;
QChartAxis* axis = m_seriesAxisMap.value(series);
if(axis) {
qWarning() << "Can not add series. Series already on the chart";
return;
}
if(!series->parent()){
series->setParent(this); // take ownership
};
if(!axisY->parent()){
axisY->setParent(this); // take ownership
}
Domain* domain = m_axisDomainMap.value(axisY);
if(!domain) {
domain = new Domain();
QObject::connect(axisY,SIGNAL(rangeChanged(qreal,qreal,int)),domain,SLOT(handleAxisRangeYChanged(qreal,qreal,int)));
QObject::connect(axisX(),SIGNAL(rangeChanged(qreal,qreal,int)),domain,SLOT(handleAxisRangeXChanged(qreal,qreal,int)));
//initialize
m_axisDomainMap.insert(axisY,domain);
emit axisAdded(axisY,domain);
}
if(!m_axisXInitialized){
emit axisAdded(axisX(),domain);
m_axisXInitialized=true;
}
calculateDomain(series,domain);
m_seriesAxisMap.insert(series,axisY);
emit seriesAdded(series,domain);
}
void ChartDataSet::removeSeries(QSeries* series)
{
QChartAxis* axis = m_seriesAxisMap.value(series);
if(!axis){
qWarning()<<"Can not remove series. Series not found on the chart.";
return;
}
emit seriesRemoved(series);
m_seriesAxisMap.remove(series);
if(series->parent()==this){
delete series;
series=0;
}
QList<QChartAxis*> axes = m_seriesAxisMap.values();
int i = axes.indexOf(axis);
if(i==-1){
Domain* domain = m_axisDomainMap.take(axis);
emit axisRemoved(axis);
if(axis!=axisY()){
if(axis->parent()==this){
delete axis;
axis=0;
}
}
delete domain;
}
if(m_seriesAxisMap.values().size()==0)
{
m_axisXInitialized=false;
emit axisRemoved(axisX());
}
}
void ChartDataSet::removeAllSeries()
{
QList<QSeries*> series = m_seriesAxisMap.keys();
foreach(QSeries* s , series) {
removeSeries(s);
}
Q_ASSERT(m_seriesAxisMap.count()==0);
Q_ASSERT(m_axisDomainMap.count()==0);
}
//to be removed with PIMPL
void ChartDataSet::calculateDomain(QSeries* series,Domain* domain) const
{
switch(series->type())
{
case QSeries::SeriesTypeLine:
case QSeries::SeriesTypeSpline:
case QSeries::SeriesTypeScatter:
{
QXYSeries* xySeries = static_cast<QXYSeries*>(series);
qreal minX(domain->minX());
qreal minY(domain->minY());
qreal maxX(domain->maxX());
qreal maxY(domain->maxY());
for (int i = 0; i < xySeries->count(); i++)
{
qreal x = xySeries->x(i);
qreal y = xySeries->y(i);
minX = qMin(minX, x);
minY = qMin(minY, y);
maxX = qMax(maxX, x);
maxY = qMax(maxY, y);
}
domain->setRange(minX, maxX, minY, maxY);
break;
}
case QSeries::SeriesTypeArea: {
QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series);
QLineSeries* upperSeries = areaSeries->upperSeries();
QLineSeries* lowerSeries = areaSeries->lowerSeries();
for (int i = 0; i < upperSeries->count(); i++)
{
qreal x = upperSeries->x(i);
qreal y = upperSeries->y(i);
domain->setMinX(qMin(domain->minX(),x));
domain->setMinY(qMin(domain->minY(),y));
domain->setMaxX(qMax(domain->maxX(),x));
domain->setMaxY(qMax(domain->maxY(),y));
}
if(lowerSeries) {
for (int i = 0; i < lowerSeries->count(); i++)
{
qreal x = lowerSeries->x(i);
qreal y = lowerSeries->y(i);
domain->setMinX(qMin(domain->minX(),x));
domain->setMinY(qMin(domain->minY(),y));
domain->setMaxX(qMax(domain->maxX(),x));
domain->setMaxY(qMax(domain->maxY(),y));
}}
break;
}
case QSeries::SeriesTypeBar: {
qDebug() << "QChartSeries::SeriesTypeBar";
QBarSeries* barSeries = static_cast<QBarSeries*>(series);
qreal x = barSeries->categoryCount();
qreal y = barSeries->max();
domain->setMinX(qMin(domain->minX(),x));
domain->setMinY(qMin(domain->minY(),y));
domain->setMaxX(qMax(domain->maxX(),x));
domain->setMaxY(qMax(domain->maxY(),y));
break;
}
case QSeries::SeriesTypeStackedBar: {
qDebug() << "QChartSeries::SeriesTypeStackedBar";
QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series);
qreal x = stackedBarSeries->categoryCount();
qreal y = stackedBarSeries->maxCategorySum();
domain->setMinX(qMin(domain->minX(),x));
domain->setMinY(qMin(domain->minY(),y));
domain->setMaxX(qMax(domain->maxX(),x));
domain->setMaxY(qMax(domain->maxY(),y));
break;
}
case QSeries::SeriesTypePercentBar: {
qDebug() << "QChartSeries::SeriesTypePercentBar";
QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series);
qreal x = percentBarSeries->categoryCount();
domain->setMinX(qMin(domain->minX(),x));
domain->setMinY(0);
domain->setMaxX(qMax(domain->maxX(),x));
domain->setMaxY(100);
break;
}
case QSeries::SeriesTypePie: {
QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
// TODO: domain stuff
break;
}
default: {
qDebug()<<__FUNCTION__<<"type" << series->type()<<"not supported";
return;
break;
}
}
}
void ChartDataSet::zoomInDomain(const QRectF& rect, const QSizeF& size)
{
QMapIterator<QChartAxis*, Domain*> i( m_axisDomainMap);
while (i.hasNext()) {
i.next();
i.value()->zoomIn(rect,size);
}
}
void ChartDataSet::zoomOutDomain(const QRectF& rect, const QSizeF& size)
{
QMapIterator<QChartAxis*, Domain*> i( m_axisDomainMap);
while (i.hasNext()) {
i.next();
i.value()->zoomOut(rect,size);
}
}
int ChartDataSet::seriesCount(QSeries::QSeriesType type)
{
int count=0;
QMapIterator<QSeries*, QChartAxis*> i( m_seriesAxisMap);
while (i.hasNext()) {
i.next();
if(i.key()->type()==type) count++;
}
return count;
}
int ChartDataSet::seriesIndex(QSeries *series)
{
int count(-1);
QMapIterator<QSeries*, QChartAxis*> i(m_seriesAxisMap);
while (i.hasNext()) {
i.next();
count++;
if (i.key() == series)
return count;
}
return count;
}
QChartAxis* ChartDataSet::axisY(QSeries* series) const
{
if(series == 0) return m_axisY;
return m_seriesAxisMap.value(series);
}
Domain* ChartDataSet::domain(QSeries* series) const
{
QChartAxis* axis = m_seriesAxisMap.value(series);
if(axis){
return m_axisDomainMap.value(axis);
}else
return 0;
}
Domain* ChartDataSet::domain(QChartAxis* axis) const
{
if(axis==axisX()) {
return m_axisDomainMap.value(axisY());
}
else {
return m_axisDomainMap.value(axis);
}
}
QChartAxis* ChartDataSet::axis(QSeries* series) const
{
return m_seriesAxisMap.value(series);
}
void ChartDataSet::scrollDomain(int dx,int dy,const QSizeF& size)
{
QMapIterator<QChartAxis*, Domain*> i( m_axisDomainMap);
while (i.hasNext()) {
i.next();
i.value()->move(dx,dy,size);
}
}
#include "moc_chartdataset_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE