chartanimator.cpp
180 lines
| 4.4 KiB
| text/x-c
|
CppLexer
Michal Klocek
|
r530 | #include "chartanimator_p.h" | ||
| #include "axisanimation_p.h" | ||||
| #include "xyanimation_p.h" | ||||
| #include "xychartitem_p.h" | ||||
|
Michal Klocek
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r560 | #include "areachartitem_p.h" | ||
|
Michal Klocek
|
r530 | #include <QTimer> | ||
| Q_DECLARE_METATYPE(QVector<QPointF>) | ||||
| Q_DECLARE_METATYPE(QVector<qreal>) | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| const static int duration = 1000; | ||||
| ChartAnimator::ChartAnimator(QObject *parent):QObject(parent) | ||||
| { | ||||
| } | ||||
| ChartAnimator::~ChartAnimator() | ||||
| { | ||||
| } | ||||
| void ChartAnimator::addAnimation(AxisItem* item) | ||||
| { | ||||
|
Michal Klocek
|
r560 | ChartAnimation* animation = m_animations.value(item); | ||
|
Michal Klocek
|
r530 | |||
| if(!animation) { | ||||
| animation = new AxisAnimation(item); | ||||
| m_animations.insert(item,animation); | ||||
| } | ||||
| item->setAnimator(this); | ||||
| } | ||||
| void ChartAnimator::addAnimation(XYChartItem* item) | ||||
| { | ||||
|
Michal Klocek
|
r560 | ChartAnimation* animation = m_animations.value(item); | ||
|
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r530 | |||
| if(!animation) { | ||||
| animation = new XYAnimation(item); | ||||
| m_animations.insert(item,animation); | ||||
| } | ||||
| item->setAnimator(this); | ||||
| } | ||||
| void ChartAnimator::removeAnimation(ChartItem* item) | ||||
| { | ||||
| item->setAnimator(0); | ||||
| m_animations.remove(item); | ||||
| } | ||||
| void ChartAnimator::applyLayout(AxisItem* item , QVector<qreal>& newLayout) | ||||
| { | ||||
| AxisAnimation* animation = static_cast<AxisAnimation*>(m_animations.value(item)); | ||||
|
Michal Klocek
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r560 | Q_ASSERT(animation); | ||
|
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r530 | |||
| QVector<qreal> oldLayout = item->layout(); | ||||
| if(newLayout.count()==0) return; | ||||
|
Michal Klocek
|
r531 | switch(m_state) | ||
| { | ||||
| case ZoomOutState: { | ||||
| QRectF rect = item->geometry(); | ||||
| oldLayout.resize(newLayout.count()); | ||||
| for(int i=0,j=oldLayout.count()-1;i<(oldLayout.count()+1)/2;i++,j--) | ||||
| { | ||||
| oldLayout[i]= item->axisType()==AxisItem::X_AXIS?rect.left():rect.bottom(); | ||||
| oldLayout[j]= item->axisType()==AxisItem::X_AXIS?rect.right():rect.top(); | ||||
| } | ||||
| } | ||||
| break; | ||||
| case ZoomInState: { | ||||
| int index = qMin(oldLayout.count()*(item->axisType()==AxisItem::X_AXIS?m_point.x():(1 -m_point.y())),newLayout.count()-1.0); | ||||
| oldLayout.resize(newLayout.count()); | ||||
| for(int i=0;i<oldLayout.count();i++) | ||||
| { | ||||
| oldLayout[i]= oldLayout[index]; | ||||
| } | ||||
| } | ||||
| break; | ||||
| case ScrollDownState: | ||||
| case ScrollRightState: { | ||||
| oldLayout.resize(newLayout.count()); | ||||
| for(int i=0, j=i+1;i<oldLayout.count()-1;i++,j++) | ||||
| { | ||||
| oldLayout[i]= oldLayout[j]; | ||||
| } | ||||
| } | ||||
| break; | ||||
| case ScrollUpState: | ||||
| case ScrollLeftState: { | ||||
| oldLayout.resize(newLayout.count()); | ||||
| for(int i=oldLayout.count()-1, j=i-1;i>0;i--,j--) | ||||
| { | ||||
| oldLayout[i]= oldLayout[j]; | ||||
| } | ||||
| } | ||||
| break; | ||||
| default: { | ||||
| oldLayout.resize(newLayout.count()); | ||||
| QRectF rect = item->geometry(); | ||||
| for(int i=0, j=oldLayout.count()-1;i<oldLayout.count();i++,j--) | ||||
| { | ||||
| oldLayout[i]= item->axisType()==AxisItem::X_AXIS?rect.left():rect.top(); | ||||
| } | ||||
| } | ||||
| break; | ||||
| } | ||||
|
Michal Klocek
|
r530 | |||
| if(animation->state()!=QAbstractAnimation::Stopped) { | ||||
| animation->stop(); | ||||
| } | ||||
| animation->setDuration(duration); | ||||
| animation->setEasingCurve(QEasingCurve::OutQuart); | ||||
| QVariantAnimation::KeyValues value; | ||||
| animation->setKeyValues(value); //workaround for wrong interpolation call | ||||
| animation->setKeyValueAt(0.0, qVariantFromValue(oldLayout)); | ||||
| animation->setKeyValueAt(1.0, qVariantFromValue(newLayout)); | ||||
| QTimer::singleShot(0,animation,SLOT(start())); | ||||
| } | ||||
| void ChartAnimator::applyLayout(XYChartItem* item, QVector<QPointF>& newPoints) | ||||
| { | ||||
| XYAnimation* animation = static_cast<XYAnimation*>(m_animations.value(item)); | ||||
|
Michal Klocek
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r560 | Q_ASSERT(animation); | ||
|
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r530 | |||
| QVector<QPointF> oldPoints = item->points(); | ||||
| if(newPoints.count()==0) return; | ||||
| bool empty = oldPoints.count()==0; | ||||
| oldPoints.resize(newPoints.size()); | ||||
| if(animation->state()!=QAbstractAnimation::Stopped) { | ||||
| animation->stop(); | ||||
| } | ||||
| animation->setDuration(duration); | ||||
| if(!empty) | ||||
| animation->setAnimationType(XYAnimation::MoveDownAnimation); | ||||
| else | ||||
| animation->setAnimationType(XYAnimation::LineDrawAnimation); | ||||
| animation->setEasingCurve(QEasingCurve::OutQuart); | ||||
| animation->setValues(oldPoints,newPoints); | ||||
| QTimer::singleShot(0,animation,SLOT(start())); | ||||
| } | ||||
| void ChartAnimator::updateLayout(XYChartItem* item, QVector<QPointF>& newPoints) | ||||
| { | ||||
| XYAnimation* animation = static_cast<XYAnimation*>(m_animations.value(item)); | ||||
|
Michal Klocek
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r560 | Q_ASSERT(animation); | ||
|
Michal Klocek
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r530 | |||
| animation->setDuration(duration); | ||||
| animation->setAnimationType(XYAnimation::MoveDownAnimation); | ||||
| animation->setEasingCurve(QEasingCurve::OutQuart); | ||||
| animation->updateValues(newPoints); | ||||
| QTimer::singleShot(0,animation,SLOT(start())); | ||||
| } | ||||
|
Michal Klocek
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r531 | void ChartAnimator::setState(State state,const QPointF& point) | ||
| { | ||||
| m_state=state; | ||||
| m_point=point; | ||||
| } | ||||
|
Michal Klocek
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r530 | QTCOMMERCIALCHART_END_NAMESPACE | ||