declarativescatterseries.cpp
69 lines
| 2.1 KiB
| text/x-c
|
CppLexer
/ qmlplugin / declarativescatterseries.cpp
|
r196 | #include "declarativescatterseries.h" | ||
#include "declarativechart.h" | ||||
#include "qchart.h" | ||||
#include "qscatterseries.h" | ||||
#include <cmath> | ||||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
DeclarativeScatterSeries::DeclarativeScatterSeries(QDeclarativeItem *parent) : | ||||
QDeclarativeItem(parent), | ||||
m_chart(0), | ||||
m_series(0) | ||||
{ | ||||
setFlag(QGraphicsItem::ItemHasNoContents, false); | ||||
connect(this, SIGNAL(parentChanged()), | ||||
this, SLOT(setParentForSeries())); | ||||
} | ||||
void DeclarativeScatterSeries::setParentForSeries() | ||||
{ | ||||
if (!m_series) | ||||
initSeries(); | ||||
} | ||||
void DeclarativeScatterSeries::initSeries() | ||||
{ | ||||
Q_ASSERT(!m_series); | ||||
DeclarativeChart *declarativeChart = qobject_cast<DeclarativeChart *>(parent()); | ||||
if (declarativeChart) { | ||||
QChart *chart = qobject_cast<QChart *>(declarativeChart->m_chart); | ||||
qDebug() << "creating scatter series for chart: " << chart; | ||||
Q_ASSERT(chart); | ||||
m_series = new QScatterSeries(); | ||||
Q_ASSERT(m_series); | ||||
for (int i(0); i < m_data.count(); i++) { | ||||
ScatterElement *element = m_data.at(i); | ||||
*m_series << QPointF(element->x(), element->y()); | ||||
} | ||||
chart->addSeries(m_series); | ||||
} | ||||
} | ||||
QDeclarativeListProperty<ScatterElement> DeclarativeScatterSeries::data() | ||||
{ | ||||
return QDeclarativeListProperty<ScatterElement>(this, 0, | ||||
&DeclarativeScatterSeries::appendData); | ||||
} | ||||
void DeclarativeScatterSeries::appendData(QDeclarativeListProperty<ScatterElement> *list, | ||||
ScatterElement *element) | ||||
{ | ||||
DeclarativeScatterSeries *series = qobject_cast<DeclarativeScatterSeries *>(list->object); | ||||
qDebug() << "appendData: " << series; | ||||
qDebug() << "appendData: " << element; | ||||
qDebug() << "appendData: " << element->x(); | ||||
qDebug() << "appendData: " << element->y(); | ||||
qDebug() << "appendData: " << series->m_series; | ||||
if (series) { | ||||
series->m_data.append(element); | ||||
if (series->m_series) | ||||
series->m_series->addData(QPointF(element->x(), element->y())); | ||||
} | ||||
} | ||||
#include "moc_declarativescatterseries.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||