##// END OF EJS Templates
Fix a major memory leak
Fix a major memory leak

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r223:c82178b4ef05
r229:a66d0f17c040
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chartpresenter.cpp
223 lines | 7.7 KiB | text/x-c | CppLexer
/ src / chartpresenter.cpp
#include "qchart.h"
#include "qchartaxis.h"
#include "chartpresenter_p.h"
#include "chartdataset_p.h"
#include "charttheme_p.h"
//series
#include "qbarchartseries.h"
#include "qstackedbarchartseries.h"
#include "qpercentbarchartseries.h"
#include "qlinechartseries.h"
#include "qpieseries.h"
#include "qscatterseries.h"
//items
#include "axisitem_p.h"
#include "barpresenter.h"
#include "stackedbarpresenter.h"
#include "linechartitem_p.h"
#include "percentbarpresenter.h"
#include "linechartanimationitem_p.h"
#include "piepresenter.h"
#include "scatterpresenter_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ChartPresenter::ChartPresenter(QChart* chart,ChartDataSet* dataset):QObject(chart),
m_chart(chart),
m_dataset(dataset),
m_chartTheme(0),
m_marginSize(0),
m_rect(QRectF(QPoint(0,0),m_chart->size()))
{
createConnections();
setChartTheme(QChart::ChartThemeDefault);
}
ChartPresenter::~ChartPresenter()
{
}
void ChartPresenter::createConnections()
{
QObject::connect(m_chart,SIGNAL(geometryChanged()),this,SLOT(handleGeometryChanged()));
QObject::connect(m_dataset,SIGNAL(seriesAdded(QChartSeries*)),this,SLOT(handleSeriesAdded(QChartSeries*)));
QObject::connect(m_dataset,SIGNAL(seriesRemoved(QChartSeries*)),this,SLOT(handleSeriesRemoved(QChartSeries*)));
QObject::connect(m_dataset,SIGNAL(axisAdded(QChartAxis*)),this,SLOT(handleAxisAdded(QChartAxis*)));
QObject::connect(m_dataset,SIGNAL(axisRemoved(QChartAxis*)),this,SLOT(handleAxisRemoved(QChartAxis*)));
QObject::connect(m_dataset,SIGNAL(seriesDomainChanged(QChartSeries*,const Domain&)),this,SLOT(handleSeriesDomainChanged(QChartSeries*,const Domain&)));
QObject::connect(m_dataset,SIGNAL(axisLabelsChanged(QChartAxis*,const QStringList&)),this,SLOT(handleAxisLabelsChanged(QChartAxis*,const QStringList&)));
}
QRectF ChartPresenter::geometry() const
{
return m_rect;
}
void ChartPresenter::handleGeometryChanged()
{
m_rect = QRectF(QPoint(0,0),m_chart->size());
m_rect.adjust(m_marginSize,m_marginSize, -m_marginSize, -m_marginSize);
Q_ASSERT(m_rect.isValid());
emit geometryChanged(m_rect);
}
int ChartPresenter::margin() const
{
return m_marginSize;
}
void ChartPresenter::setMargin(int margin)
{
m_marginSize = margin;
}
void ChartPresenter::handleAxisAdded(QChartAxis* axis)
{
AxisItem* item ;
if(axis==m_dataset->axisX()){
item = new AxisItem(AxisItem::X_AXIS,m_chart);
}else{
item = new AxisItem(AxisItem::Y_AXIS,m_chart);
}
QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
QObject::connect(axis,SIGNAL(update(QChartAxis*)),item,SLOT(handleAxisUpdate(QChartAxis*)));
m_chartTheme->decorate(axis,item);
m_axisItems.insert(axis,item);
}
void ChartPresenter::handleAxisRemoved(QChartAxis* axis)
{
AxisItem* item = m_axisItems.take(axis);
Q_ASSERT(item);
delete item;
}
void ChartPresenter::handleSeriesAdded(QChartSeries* series)
{
switch(series->type())
{
case QChartSeries::SeriesTypeLine: {
QLineChartSeries* lineSeries = static_cast<QLineChartSeries*>(series);
LineChartItem* item = new LineChartAnimationItem(this,lineSeries,m_chart);
m_chartTheme->decorate(item,lineSeries,m_chartItems.count());
QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
QObject::connect(lineSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
m_chartItems.insert(series,item);
break;
}
case QChartSeries::SeriesTypeBar: {
QBarChartSeries* barSeries = static_cast<QBarChartSeries*>(series);
BarPresenter* item = new BarPresenter(barSeries->model(),m_chart);
m_chartTheme->decorate(item,barSeries,m_chartItems.count());
QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
QObject::connect(barSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
m_chartItems.insert(series,item);
// m_axisXItem->setVisible(false);
break;
}
case QChartSeries::SeriesTypeStackedBar: {
QStackedBarChartSeries* stackedBarSeries = static_cast<QStackedBarChartSeries*>(series);
StackedBarPresenter* item = new StackedBarPresenter(stackedBarSeries->model(),m_chart);
m_chartTheme->decorate(item,stackedBarSeries,m_chartItems.count());
QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
QObject::connect(stackedBarSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
m_chartItems.insert(series,item);
break;
}
case QChartSeries::SeriesTypePercentBar: {
QPercentBarChartSeries* percentBarSeries = static_cast<QPercentBarChartSeries*>(series);
PercentBarPresenter* item = new PercentBarPresenter(percentBarSeries->model(),m_chart);
m_chartTheme->decorate(item,percentBarSeries ,m_chartItems.count());
QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
QObject::connect(percentBarSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
m_chartItems.insert(series,item);
break;
}
case QChartSeries::SeriesTypeScatter: {
QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series);
ScatterPresenter *scatterPresenter = new ScatterPresenter(scatterSeries, m_chart);
QObject::connect(this, SIGNAL(geometryChanged(const QRectF&)),
scatterPresenter, SLOT(handleGeometryChanged(const QRectF&)));
m_chartTheme->decorate(scatterPresenter, scatterSeries, m_chartItems.count());
m_chartItems.insert(scatterSeries, scatterPresenter);
break;
}
case QChartSeries::SeriesTypePie: {
QPieSeries *s = qobject_cast<QPieSeries *>(series);
PiePresenter* pie = new PiePresenter(m_chart, s);
m_chartTheme->decorate(pie, s, m_chartItems.count());
QObject::connect(this, SIGNAL(geometryChanged(const QRectF&)), pie, SLOT(handleGeometryChanged(const QRectF&)));
m_chartItems.insert(series, pie);
break;
}
default: {
qDebug()<< "Series type" << series->type() << "not implemented.";
break;
}
}
if(m_rect.isValid()) emit geometryChanged(m_rect);
}
void ChartPresenter::handleSeriesRemoved(QChartSeries* series)
{
ChartItem* item = m_chartItems.take(series);
delete item;
}
void ChartPresenter::handleSeriesChanged(QChartSeries* series)
{
//TODO:
}
void ChartPresenter::handleSeriesDomainChanged(QChartSeries* series, const Domain& domain)
{
m_chartItems.value(series)->handleDomainChanged(domain);
}
void ChartPresenter::handleAxisLabelsChanged(QChartAxis* axis,const QStringList& labels)
{
m_axisItems.value(axis)->handleLabelsChanged(labels);
}
void ChartPresenter::setChartTheme(QChart::ChartTheme theme)
{
delete m_chartTheme;
m_chartTheme = ChartTheme::createTheme(theme);
m_chartTheme->decorate(m_chart);
QMapIterator<QChartSeries*,ChartItem*> i(m_chartItems);
int index=0;
while (i.hasNext()) {
i.next();
index++;
m_chartTheme->decorate(i.value(),i.key(),index);
}
QMapIterator<QChartAxis*,AxisItem*> j(m_axisItems);
while (j.hasNext()) {
j.next();
m_chartTheme->decorate(j.key(),j.value());
}
}
QChart::ChartTheme ChartPresenter::chartTheme()
{
return m_chartTheme->id();
}
#include "moc_chartpresenter_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE