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#include "qpieseries.h"
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#include "piepresenter.h"
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#include "pieslice.h"
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#include <QDebug>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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QPieSeries::QPieSeries(QObject *parent) :
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QChartSeries(parent),
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m_sizeFactor(1.0),
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m_position(PiePositionMaximized),
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m_sliceIdSeed(0)
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{
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}
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QPieSeries::~QPieSeries()
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{
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}
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bool QPieSeries::setData(QList<qreal> data)
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{
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// TODO: remove this function
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QList<QPieSlice> slices;
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foreach (int value, data)
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slices << QPieSlice(value, QString::number(value));
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return set(slices);
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}
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bool QPieSeries::set(const QList<QPieSlice>& slices)
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{
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if (!slices.count())
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return false;
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ChangeSet changeSet;
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foreach (QPieSlice s, m_slices.values())
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changeSet.m_removed << s.id();
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m_slices.clear();
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foreach (QPieSlice s, slices) {
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s.m_id = generateSliceId();
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m_slices.insert(s.id(), s);
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changeSet.m_added << s.id();
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}
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updateDerivativeData();
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emit changed(changeSet);
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return true;
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}
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bool QPieSeries::add(const QList<QPieSlice>& slices)
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{
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if (!slices.count())
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return false;
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ChangeSet changeSet;
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foreach (QPieSlice s, slices) {
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s.m_id = generateSliceId();
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m_slices.insert(s.id(), s);
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changeSet.m_added << s.id();
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}
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updateDerivativeData();
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emit changed(changeSet);
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return true;
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}
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bool QPieSeries::add(const QPieSlice& slice)
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{
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return add(QList<QPieSlice>() << slice);
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}
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bool QPieSeries::update(const QPieSlice& slice)
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{
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if (!m_slices.contains(slice.id()))
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return false; // series does not contain this slice
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m_slices[slice.id()] = slice;
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ChangeSet changeSet;
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changeSet.m_changed << slice.id();
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updateDerivativeData();
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emit changed(changeSet);
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return true;
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}
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bool QPieSeries::remove(QPieSliceId id)
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{
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if (!m_slices.contains(id))
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return false; // series does not contain this slice
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m_slices.remove(id);
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ChangeSet changeSet;
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changeSet.m_removed << id;
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updateDerivativeData();
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emit changed(changeSet);
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return true;
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}
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QPieSlice QPieSeries::slice(QPieSliceId id) const
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{
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return m_slices.value(id);
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}
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void QPieSeries::setSizeFactor(qreal factor)
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{
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if (factor < 0.0)
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return;
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if (m_sizeFactor != factor) {
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m_sizeFactor = factor;
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emit sizeFactorChanged();
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}
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}
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void QPieSeries::setPosition(PiePosition position)
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{
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if (m_position != position) {
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m_position = position;
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emit positionChanged();
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}
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}
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QPieSliceId QPieSeries::generateSliceId()
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{
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// Id is quint64 so it should be enough for us.
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// Note that id is not unique between pie series.
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return m_sliceIdSeed++;
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}
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void QPieSeries::updateDerivativeData()
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{
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m_total = 0;
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foreach (const QPieSlice& s, m_slices.values())
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m_total += s.value();
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Q_ASSERT(m_total > 0); // TODO: remove this before release
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foreach (QPieSliceId id, m_slices.keys())
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m_slices[id].m_percentage = m_slices.value(id).value() / m_total;
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}
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#include "moc_qpieseries.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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