pieanimation.cpp
112 lines
| 3.3 KiB
| text/x-c
|
CppLexer
Jani Honkonen
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r794 | /**************************************************************************** | ||
** | ||||
** 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 | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
Michal Klocek
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r623 | #include "pieanimation_p.h" | ||
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r618 | #include "piesliceanimation_p.h" | ||
#include "piechartitem_p.h" | ||||
#include <QParallelAnimationGroup> | ||||
#include <QTimer> | ||||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
PieAnimation::PieAnimation(PieChartItem *item) | ||||
:ChartAnimation(item), | ||||
m_item(item) | ||||
{ | ||||
} | ||||
PieAnimation::~PieAnimation() | ||||
{ | ||||
} | ||||
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r629 | void PieAnimation::updateValues(const PieLayout &newValues) | ||
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r618 | { | ||
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r738 | foreach (QPieSlice *s, newValues.keys()) | ||
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r629 | updateValue(s, newValues.value(s)); | ||
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r618 | } | ||
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r668 | void PieAnimation::updateValue(QPieSlice *slice, const PieSliceData &sliceData) | ||
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r618 | { | ||
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r629 | PieSliceAnimation *animation = m_animations.value(slice); | ||
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r618 | Q_ASSERT(animation); | ||
animation->stop(); | ||||
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r621 | |||
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r668 | animation->updateValue(sliceData); | ||
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r621 | animation->setDuration(1000); | ||
animation->setEasingCurve(QEasingCurve::OutQuart); | ||||
QTimer::singleShot(0, animation, SLOT(start())); | ||||
} | ||||
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r668 | void PieAnimation::addSlice(QPieSlice *slice, const PieSliceData &sliceData, bool isEmpty) | ||
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r621 | { | ||
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r629 | PieSliceAnimation *animation = new PieSliceAnimation(m_item, slice); | ||
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r621 | m_animations.insert(slice, animation); | ||
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r668 | PieSliceData startValue = sliceData; | ||
startValue.m_radius = 0; | ||||
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r634 | if (isEmpty) | ||
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r668 | startValue.m_startAngle = 0; | ||
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r634 | else | ||
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r738 | startValue.m_startAngle = sliceData.m_startAngle + (sliceData.m_angleSpan / 2); | ||
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r668 | startValue.m_angleSpan = 0; | ||
animation->setValue(startValue, sliceData); | ||||
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r621 | |||
animation->setDuration(1000); | ||||
animation->setEasingCurve(QEasingCurve::OutQuart); | ||||
QTimer::singleShot(0, animation, SLOT(start())); | ||||
} | ||||
void PieAnimation::removeSlice(QPieSlice *slice) | ||||
{ | ||||
PieSliceAnimation *animation = m_animations.value(slice); | ||||
Q_ASSERT(animation); | ||||
animation->stop(); | ||||
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r668 | PieSliceData endValue = animation->currentSliceValue(); | ||
endValue.m_radius = 0; | ||||
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r621 | // TODO: find the actual angle where this slice disappears | ||
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r668 | endValue.m_startAngle = endValue.m_startAngle + endValue.m_angleSpan; | ||
endValue.m_angleSpan = 0; | ||||
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r621 | |||
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r668 | animation->updateValue(endValue); | ||
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r618 | animation->setDuration(1000); | ||
animation->setEasingCurve(QEasingCurve::OutQuart); | ||||
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r621 | |||
connect(animation, SIGNAL(finished()), this, SLOT(destroySliceAnimationComplete())); | ||||
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r618 | QTimer::singleShot(0, animation, SLOT(start())); | ||
} | ||||
void PieAnimation::updateCurrentValue(const QVariant &) | ||||
{ | ||||
// nothing to do... | ||||
} | ||||
void PieAnimation::destroySliceAnimationComplete() | ||||
{ | ||||
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r738 | PieSliceAnimation *animation = static_cast<PieSliceAnimation *>(sender()); | ||
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r618 | QPieSlice *slice = m_animations.key(animation); | ||
m_item->destroySlice(slice); | ||||
delete m_animations.take(slice); | ||||
} | ||||
#include "moc_pieanimation_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||