|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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 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 "polarchartcategoryaxisangular_p.h"
|
|
|
#include "chartpresenter_p.h"
|
|
|
#include "abstractchartlayout_p.h"
|
|
|
#include "qcategoryaxis.h"
|
|
|
#include <QDebug>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
PolarChartCategoryAxisAngular::PolarChartCategoryAxisAngular(QCategoryAxis *axis, QGraphicsItem *item)
|
|
|
: PolarChartAxisAngular(axis, item, true)
|
|
|
{
|
|
|
QObject::connect(axis, SIGNAL(categoriesChanged()), this, SLOT(handleCategoriesChanged()));
|
|
|
}
|
|
|
|
|
|
PolarChartCategoryAxisAngular::~PolarChartCategoryAxisAngular()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QVector<qreal> PolarChartCategoryAxisAngular::calculateLayout() const
|
|
|
{
|
|
|
QCategoryAxis *catAxis = static_cast<QCategoryAxis *>(axis());
|
|
|
int tickCount = catAxis->categoriesLabels().count() + 1;
|
|
|
QVector<qreal> points;
|
|
|
|
|
|
if (tickCount < 2)
|
|
|
return points;
|
|
|
|
|
|
qreal range = max() - min();
|
|
|
if (range > 0) {
|
|
|
points.resize(tickCount);
|
|
|
qreal scale = 360.0 / range;
|
|
|
qreal angle;
|
|
|
for (int i = 0; i < tickCount; ++i) {
|
|
|
if (i < tickCount - 1)
|
|
|
angle = (catAxis->startValue(catAxis->categoriesLabels().at(i)) - min()) * scale;
|
|
|
else
|
|
|
angle = (catAxis->endValue(catAxis->categoriesLabels().at(i - 1)) - min()) * scale;
|
|
|
points[i] = angle;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return points;
|
|
|
}
|
|
|
|
|
|
void PolarChartCategoryAxisAngular::createAxisLabels(const QVector<qreal> &layout)
|
|
|
{
|
|
|
Q_UNUSED(layout);
|
|
|
setLabels(static_cast<QCategoryAxis *>(axis())->categoriesLabels() << "");
|
|
|
}
|
|
|
|
|
|
void PolarChartCategoryAxisAngular::handleCategoriesChanged()
|
|
|
{
|
|
|
QGraphicsLayoutItem::updateGeometry();
|
|
|
presenter()->layout()->invalidate();
|
|
|
}
|
|
|
|
|
|
|
|
|
#include "moc_polarchartcategoryaxisangular_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
