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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#include <private/pieanimation_p.h>
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#include <private/piesliceanimation_p.h>
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#include <private/piechartitem_p.h>
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QT_CHARTS_BEGIN_NAMESPACE
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PieAnimation::PieAnimation(PieChartItem *item)
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: ChartAnimation(item),
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m_item(item)
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{
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}
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PieAnimation::~PieAnimation()
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{
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}
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ChartAnimation *PieAnimation::updateValue(PieSliceItem *sliceItem, const PieSliceData &sliceData)
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{
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PieSliceAnimation *animation = m_animations.value(sliceItem);
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if (!animation) {
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animation = new PieSliceAnimation(sliceItem);
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m_animations.insert(sliceItem, animation);
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} else {
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animation->stop();
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}
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animation->updateValue(sliceData);
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animation->setDuration(ChartAnimationDuration);
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animation->setEasingCurve(QEasingCurve::OutQuart);
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return animation;
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}
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ChartAnimation *PieAnimation::addSlice(PieSliceItem *sliceItem, const PieSliceData &sliceData, bool startupAnimation)
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{
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PieSliceAnimation *animation = new PieSliceAnimation(sliceItem);
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m_animations.insert(sliceItem, animation);
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PieSliceData startValue = sliceData;
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startValue.m_radius = 0;
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if (startupAnimation)
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startValue.m_startAngle = 0;
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else
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startValue.m_startAngle = sliceData.m_startAngle + (sliceData.m_angleSpan / 2);
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startValue.m_angleSpan = 0;
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if (sliceData.m_holeRadius > 0)
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startValue.m_radius = sliceData.m_holeRadius;
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animation->setValue(startValue, sliceData);
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animation->setDuration(ChartAnimationDuration);
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animation->setEasingCurve(QEasingCurve::OutQuart);
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return animation;
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}
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ChartAnimation *PieAnimation::removeSlice(PieSliceItem *sliceItem)
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{
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PieSliceAnimation *animation = m_animations.value(sliceItem);
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Q_ASSERT(animation);
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animation->stop();
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PieSliceData endValue = animation->currentSliceValue();
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if (endValue.m_holeRadius > 0)
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endValue.m_radius = endValue.m_holeRadius;
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else
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endValue.m_radius = 0;
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endValue.m_startAngle = endValue.m_startAngle + endValue.m_angleSpan;
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endValue.m_angleSpan = 0;
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endValue.m_isLabelVisible = false;
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animation->updateValue(endValue);
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animation->setDuration(ChartAnimationDuration);
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animation->setEasingCurve(QEasingCurve::OutQuart);
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// PieSliceItem is the parent of PieSliceAnimation so the animation will be deleted as well..
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connect(animation, SIGNAL(finished()), sliceItem, SLOT(deleteLater()));
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m_animations.remove(sliceItem);
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return animation;
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}
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void PieAnimation::updateCurrentValue(const QVariant &)
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{
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// nothing to do...
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}
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#include "moc_pieanimation_p.cpp"
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QT_CHARTS_END_NAMESPACE
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