##// END OF EJS Templates
minor cleaning of unused code
minor cleaning of unused code

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chartpresenter.cpp
265 lines | 9.0 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 "barchartseries.h"
#include "stackedbarchartseries.h"
#include "percentbarchartseries.h"
#include "qlinechartseries.h"
#include "qpieseries.h"
#include "qscatterseries.h"
//items
#include "axisitem_p.h"
#include "bargroup.h"
#include "stackedbargroup.h"
#include "linechartitem_p.h"
#include "percentbargroup.h"
#include "linechartanimationitem_p.h"
#include "piepresenter.h"
#include "scatterpresenter.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ChartPresenter::ChartPresenter(QChart* chart,ChartDataSet* dataset):QObject(chart),
m_chart(chart),
m_dataset(dataset),
m_chartTheme(0),
m_domainIndex(0),
m_marginSize(0),
m_axisX(new QChartAxis(this)),
m_axisY(new QChartAxis(this)),
m_rect(QRectF(QPoint(0,0),m_chart->size()))
{
setChartTheme(QChart::ChartThemeDefault);
m_axisItems[m_axisX] = new AxisItem(m_axisX,AxisItem::X_AXIS,m_chart);
m_axisItems[m_axisY] = new AxisItem(m_axisY,AxisItem::Y_AXIS,m_chart);
createConnections();
}
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*)));
QMapIterator<QChartAxis*,AxisItem*> i(m_axisItems);
while (i.hasNext()) {
i.next();
QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),i.value(),SLOT(handleGeometryChanged(const QRectF&)));
QObject::connect(m_dataset,SIGNAL(domainChanged(const Domain&)),i.value(),SLOT(handleDomainChanged(const Domain&)));
}
}
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::handleSeriesAdded(QChartSeries* series)
{
qDebug() << " ChartPresenter::handleSeriesAdded";
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(m_dataset,SIGNAL(domainChanged(const Domain&)),item,SLOT(handleDomainChanged(const Domain&)));
QObject::connect(lineSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
m_chartItems.insert(series,item);
break;
}
case QChartSeries::SeriesTypeBar: {
BarChartSeries* barSeries = static_cast<BarChartSeries*>(series);
BarGroup* item = new BarGroup(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(m_dataset,SIGNAL(domainChanged(const Domain&)),item,SLOT(handleDomainChanged(const Domain&)));
QObject::connect(barSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
m_chartItems.insert(series,item);
// m_axisXItem->setVisible(false);
break;
}
case QChartSeries::SeriesTypeStackedBar: {
StackedBarChartSeries* stackedBarSeries = static_cast<StackedBarChartSeries*>(series);
StackedBarGroup* item = new StackedBarGroup(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(m_dataset,SIGNAL(domainChanged(const Domain&)),item,SLOT(handleDomainChanged(const Domain&)));
QObject::connect(stackedBarSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
m_chartItems.insert(series,item);
break;
}
case QChartSeries::SeriesTypePercentBar: {
PercentBarChartSeries* percentBarSeries = static_cast<PercentBarChartSeries*>(series);
PercentBarGroup* item = new PercentBarGroup(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(m_dataset,SIGNAL(domainChanged(const Domain&)),item,SLOT(handleDomainChanged(const Domain&)));
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&)));
QObject::connect(m_dataset, SIGNAL(domainChanged(const Domain&)),
scatterPresenter, SLOT(handleDomainChanged(const Domain&)));
// scatterSeries->d->m_theme = m_chartTheme->themeForSeries();
// scatterSeries->d->setParentItem(this);
// scatterSeries->d->m_boundingRect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
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&)));
QObject::connect(m_dataset, SIGNAL(domainChanged(const Domain&)), pie, SLOT(handleDomainChanged(const Domain&)));
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::handleSeriesChanged(QChartSeries* series)
{
//TODO:
}
void ChartPresenter::zoomInToRect(const QRectF& rect)
{
if(!rect.isValid()) return;
QRectF r = rect.normalized();
r.translate(-m_marginSize, -m_marginSize);
Domain domain (m_dataset->domain().subDomain(r,m_rect.width(),m_rect.height()));
m_dataset->addDomain(domain);
}
void ChartPresenter::zoomIn()
{
if (!m_dataset->nextDomain()) {
QRectF rect = m_rect;
rect.setWidth(rect.width()/2);
rect.setHeight(rect.height()/2);
rect.moveCenter(m_rect.center());
Domain domain (m_dataset->domain().subDomain(rect,m_rect.width(),m_rect.height()));
m_dataset->addDomain(domain);
}
}
void ChartPresenter::zoomOut()
{
m_dataset->previousDomain();
}
void ChartPresenter::zoomReset()
{
m_dataset->clearDomains();
}
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);
}
}
QChart::ChartTheme ChartPresenter::chartTheme()
{
return m_chartTheme->id();
}
QChartAxis* ChartPresenter::axisX()
{
return m_axisX;
}
QChartAxis* ChartPresenter::axisY()
{
return m_axisY;
}
QChartAxis* ChartPresenter::addAxisX()
{
//only one axis
if(m_axisX==0){
m_axisX = new QChartAxis(this);
m_axisItems[m_axisX] = new AxisItem(m_axisX,AxisItem::X_AXIS,m_chart);
}
return m_axisX;
}
QChartAxis* ChartPresenter::addAxisY()
{
if(m_axisY==0){
m_axisY = new QChartAxis(this);
m_axisItems[m_axisY] = new AxisItem(m_axisY,AxisItem::Y_AXIS,m_chart);
return m_axisY;
}
QChartAxis* axis = new QChartAxis(this);
m_axisItems[axis] = new AxisItem(axis,AxisItem::Y_AXIS,m_chart);
return axis;
}
void ChartPresenter::removeAxis(QChartAxis* axis)
{
AxisItem* item = m_axisItems.take(axis);
if(item){
delete item;
delete axis;
}
//reset pointers to default ones
if(axis == m_axisX) m_axisX=0;
else if(axis == m_axisY) m_axisY=0;
}
#include "moc_chartpresenter_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE