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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Enterprise Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/polarchartvalueaxisradial_p.h>
#include <private/chartpresenter_p.h>
#include <private/abstractchartlayout_p.h>
QT_CHARTS_BEGIN_NAMESPACE
PolarChartValueAxisRadial::PolarChartValueAxisRadial(QValueAxis *axis, QGraphicsItem *item)
: PolarChartAxisRadial(axis, item)
{
QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
}
PolarChartValueAxisRadial::~PolarChartValueAxisRadial()
{
}
QVector<qreal> PolarChartValueAxisRadial::calculateLayout() const
{
int tickCount = static_cast<QValueAxis *>(axis())->tickCount();
Q_ASSERT(tickCount >= 2);
QVector<qreal> points;
points.resize(tickCount);
const qreal d = (axisGeometry().width() / 2) / qreal(tickCount - 1);
for (int i = 0; i < tickCount; ++i) {
qreal radialCoordinate = qreal(i) * d;
points[i] = radialCoordinate;
}
return points;
}
void PolarChartValueAxisRadial::createAxisLabels(const QVector<qreal> &layout)
{
setLabels(createValueLabels(min(), max(), layout.size(), static_cast<QValueAxis *>(axis())->labelFormat()));
}
void PolarChartValueAxisRadial::handleTickCountChanged(int tick)
{
Q_UNUSED(tick);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
void PolarChartValueAxisRadial::handleLabelFormatChanged(const QString &format)
{
Q_UNUSED(format);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
#include "moc_polarchartvalueaxisradial_p.cpp"
QT_CHARTS_END_NAMESPACE
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