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