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// Copyright (C) 2026 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "barsimulator.h"
#include <QBarSet>
BarSimulator::BarSimulator(QObject *parent) : DataSimulator(parent)
{
connect(this, &DataSimulator::simulateDataCompleted, this, &BarSimulator::generateBarSet);
}
int BarSimulator::numberOfCategory() const
{
return m_numberOfCategory;
}
void BarSimulator::setNumberOfCategory(int numberOfCategory)
{
if (m_numberOfCategory == numberOfCategory)
return;
m_numberOfCategory = numberOfCategory;
emit numberOfCategoryChanged(numberOfCategory);
}
void BarSimulator::addSeries(QBarSeries *series)
{
m_seriesList.append(series);
if (hasData())
generateBarSet();
}
void BarSimulator::generateData()
{
DataSimulator::generateData(1, m_numberOfCategory);
}
void BarSimulator::generateBarSet()
{
if (m_seriesList.isEmpty())
return;
const auto values = data();
for (QBarSeries *series : std::as_const(m_seriesList)) {
// Create all bar sets first
QList<QBarSet *> sets;
sets.reserve(values.size() / m_numberOfCategory);
for (int i = 0; i < values.size() - m_numberOfCategory + 1; i += m_numberOfCategory) {
auto *barSet = new QBarSet();
barSet->setValues(values.sliced(i, m_numberOfCategory));
sets.append(barSet);
}
series->clear();
// Append all the sets in one go
series->append(sets);
}
}