pieanimation.cpp
92 lines
| 2.6 KiB
| text/x-c
|
CppLexer
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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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r629 | foreach (QPieSlice* s, newValues.keys()) | ||
updateValue(s, newValues.value(s)); | ||||
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r618 | } | ||
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r629 | void PieAnimation::updateValue(QPieSlice *slice, const PieSliceLayout &endLayout) | ||
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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 | |||
animation->updateValue(endLayout); | ||||
animation->setDuration(1000); | ||||
animation->setEasingCurve(QEasingCurve::OutQuart); | ||||
QTimer::singleShot(0, animation, SLOT(start())); | ||||
} | ||||
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r634 | void PieAnimation::addSlice(QPieSlice *slice, const PieSliceLayout &endLayout, 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); | ||
PieSliceLayout startLayout = endLayout; | ||||
startLayout.m_radius = 0; | ||||
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r634 | if (isEmpty) | ||
startLayout.m_startAngle = 0; | ||||
else | ||||
startLayout.m_startAngle = endLayout.m_startAngle + (endLayout.m_angleSpan/2); | ||||
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r621 | startLayout.m_angleSpan = 0; | ||
animation->setValue(startLayout, endLayout); | ||||
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(); | ||||
PieSliceLayout endLayout = animation->currentSliceValue(); | ||||
endLayout.m_radius = 0; | ||||
// TODO: find the actual angle where this slice disappears | ||||
endLayout.m_startAngle = endLayout.m_startAngle + endLayout.m_angleSpan; | ||||
endLayout.m_angleSpan = 0; | ||||
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r618 | animation->updateValue(endLayout); | ||
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() | ||||
{ | ||||
PieSliceAnimation *animation = static_cast<PieSliceAnimation*>(sender()); | ||||
QPieSlice *slice = m_animations.key(animation); | ||||
m_item->destroySlice(slice); | ||||
delete m_animations.take(slice); | ||||
} | ||||
#include "moc_pieanimation_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||