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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt 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.io
**
****************************************************************************/
#include <private/polarchartaxis_p.h>
#include <private/qabstractaxis_p.h>
#include <private/chartpresenter_p.h>
QT_CHARTS_BEGIN_NAMESPACE
PolarChartAxis::PolarChartAxis(QAbstractAxis *axis, QGraphicsItem *item, bool intervalAxis)
: ChartAxisElement(axis, item, intervalAxis)
{
}
PolarChartAxis::~PolarChartAxis()
{
}
void PolarChartAxis::setGeometry(const QRectF &axis, const QRectF &grid)
{
Q_UNUSED(grid);
setAxisGeometry(axis);
if (isEmpty())
return;
QVector<qreal> layout = calculateLayout();
updateLayout(layout);
}
QRectF PolarChartAxis::gridGeometry() const
{
return QRectF();
}
void PolarChartAxis::updateLayout(QVector<qreal> &layout)
{
int diff = ChartAxisElement::layout().size() - layout.size();
if (animation()) {
switch (presenter()->state()) {
case ChartPresenter::ZoomInState:
case ChartPresenter::ZoomOutState:
case ChartPresenter::ScrollUpState:
case ChartPresenter::ScrollLeftState:
case ChartPresenter::ScrollDownState:
case ChartPresenter::ScrollRightState:
case ChartPresenter::ShowState:
animation()->setAnimationType(AxisAnimation::DefaultAnimation);
break;
}
// Update to "old" geometry before starting animation to avoid incorrectly sized
// axes lingering in wrong position compared to series plot before animation can kick in.
// Note that the position mismatch still exists even with this update, but it will be
// far less ugly.
updateGeometry();
}
if (diff > 0)
deleteItems(diff);
else if (diff < 0)
createItems(-diff);
if (animation()) {
animation()->setValues(ChartAxisElement::layout(), layout);
presenter()->startAnimation(animation());
} else {
setLayout(layout);
updateGeometry();
}
}
bool PolarChartAxis::isEmpty()
{
return !axisGeometry().isValid() || qFuzzyIsNull(min() - max());
}
void PolarChartAxis::deleteItems(int count)
{
QList<QGraphicsItem *> gridLines = gridItems();
QList<QGraphicsItem *> labels = labelItems();
QList<QGraphicsItem *> shades = shadeItems();
QList<QGraphicsItem *> axis = arrowItems();
for (int i = 0; i < count; ++i) {
if (gridItems().size() == 1 || (((gridLines.size() + 1) % 2) && gridLines.size() > 0))
delete(shades.takeLast());
delete(gridLines.takeLast());
delete(labels.takeLast());
delete(axis.takeLast());
}
}
void PolarChartAxis::handleShadesBrushChanged(const QBrush &brush)
{
foreach (QGraphicsItem *item, shadeItems())
static_cast<QGraphicsPathItem *>(item)->setBrush(brush);
}
void PolarChartAxis::handleShadesPenChanged(const QPen &pen)
{
foreach (QGraphicsItem *item, shadeItems())
static_cast<QGraphicsPathItem *>(item)->setPen(pen);
}
#include "moc_polarchartaxis_p.cpp"
QT_CHARTS_END_NAMESPACE
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