|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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
|
|
|
|
