|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2013 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 Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial 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 "polarchartvalueaxisangular_p.h"
|
|
|
#include "chartpresenter_p.h"
|
|
|
#include "abstractchartlayout_p.h"
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
PolarChartValueAxisAngular::PolarChartValueAxisAngular(QValueAxis *axis, QGraphicsItem *item)
|
|
|
: PolarChartAxisAngular(axis, item)
|
|
|
{
|
|
|
QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
|
|
|
QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
|
|
|
}
|
|
|
|
|
|
PolarChartValueAxisAngular::~PolarChartValueAxisAngular()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QVector<qreal> PolarChartValueAxisAngular::calculateLayout() const
|
|
|
{
|
|
|
int tickCount = static_cast<QValueAxis *>(axis())->tickCount();
|
|
|
Q_ASSERT(tickCount >= 2);
|
|
|
|
|
|
QVector<qreal> points;
|
|
|
points.resize(tickCount);
|
|
|
|
|
|
const qreal d = 360.0 / qreal(tickCount - 1);
|
|
|
|
|
|
for (int i = 0; i < tickCount; ++i) {
|
|
|
qreal angularCoordinate = qreal(i) * d;
|
|
|
points[i] = angularCoordinate;
|
|
|
}
|
|
|
|
|
|
return points;
|
|
|
}
|
|
|
|
|
|
void PolarChartValueAxisAngular::createAxisLabels(const QVector<qreal> &layout)
|
|
|
{
|
|
|
QStringList labelList = createValueLabels(min(), max(), layout.size(), static_cast<QValueAxis *>(axis())->labelFormat());
|
|
|
setLabels(labelList);
|
|
|
}
|
|
|
|
|
|
void PolarChartValueAxisAngular::handleTickCountChanged(int tick)
|
|
|
{
|
|
|
Q_UNUSED(tick);
|
|
|
QGraphicsLayoutItem::updateGeometry();
|
|
|
if (presenter())
|
|
|
presenter()->layout()->invalidate();
|
|
|
}
|
|
|
|
|
|
void PolarChartValueAxisAngular::handleLabelFormatChanged(const QString &format)
|
|
|
{
|
|
|
Q_UNUSED(format);
|
|
|
QGraphicsLayoutItem::updateGeometry();
|
|
|
if (presenter())
|
|
|
presenter()->layout()->invalidate();
|
|
|
}
|
|
|
|
|
|
#include "moc_polarchartvalueaxisangular_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
