##// END OF EJS Templates
Old QAxisCategories removed
Old QAxisCategories removed

File last commit:

r1079:1181d21f7863
r1548:f40a9cdaafd3
Show More
pieanimation.cpp
100 lines | 3.1 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2012 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 "pieanimation_p.h"
#include "piesliceanimation_p.h"
#include "piechartitem_p.h"
#include <QTimer>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
PieAnimation::PieAnimation(PieChartItem *item)
:ChartAnimation(item),
m_item(item)
{
}
PieAnimation::~PieAnimation()
{
}
void PieAnimation::updateValue(PieSliceItem *sliceItem, const PieSliceData &sliceData)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
Q_ASSERT(animation);
animation->stop();
animation->updateValue(sliceData);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
QTimer::singleShot(0, animation, SLOT(start()));
}
void PieAnimation::addSlice(PieSliceItem *sliceItem, const PieSliceData &sliceData, bool startupAnimation)
{
PieSliceAnimation *animation = new PieSliceAnimation(sliceItem);
m_animations.insert(sliceItem, animation);
PieSliceData startValue = sliceData;
startValue.m_radius = 0;
if (startupAnimation)
startValue.m_startAngle = 0;
else
startValue.m_startAngle = sliceData.m_startAngle + (sliceData.m_angleSpan / 2);
startValue.m_angleSpan = 0;
animation->setValue(startValue, sliceData);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
QTimer::singleShot(0, animation, SLOT(start()));
}
void PieAnimation::removeSlice(PieSliceItem *sliceItem)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
Q_ASSERT(animation);
animation->stop();
PieSliceData endValue = animation->currentSliceValue();
endValue.m_radius = 0;
endValue.m_startAngle = endValue.m_startAngle + endValue.m_angleSpan;
endValue.m_angleSpan = 0;
endValue.m_isLabelVisible = false;
animation->updateValue(endValue);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
// PieSliceItem is the parent of PieSliceAnimation so the animation will be deleted as well..
connect(animation, SIGNAL(finished()), sliceItem, SLOT(deleteLater()));
m_animations.remove(sliceItem);
QTimer::singleShot(0, animation, SLOT(start()));
}
void PieAnimation::updateCurrentValue(const QVariant &)
{
// nothing to do...
}
#include "moc_pieanimation_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE