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#include "linechartanimationitem_p.h"
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#include "xylinechartitem_p.h"
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#include <QPropertyAnimation>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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const static int duration = 500;
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LineChartAnimationItem::LineChartAnimationItem(ChartPresenter* presenter, QXYChartSeries* series,QGraphicsItem *parent):
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XYLineChartItem(presenter,series,parent)
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{
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}
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LineChartAnimationItem::~LineChartAnimationItem()
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{
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}
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void LineChartAnimationItem::addPoints(const QVector<QPointF>& points)
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{
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m_data=points;
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clearView();
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QPropertyAnimation *animation = new QPropertyAnimation(this, "a_addPoints", parent());
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animation->setDuration(duration);
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//animation->setEasingCurve(QEasingCurve::InOutBack);
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animation->setKeyValueAt(0.0, 0);
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animation->setKeyValueAt(1.0, m_data.size());
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animation->start(QAbstractAnimation::DeleteWhenStopped);
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}
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void LineChartAnimationItem::setPoint(int index,const QPointF& point)
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{
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AnimationHelper* helper = new AnimationHelper(this,index);
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QPropertyAnimation *animation = new QPropertyAnimation(helper, "point", parent());
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animation->setDuration(duration);
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//animation->setEasingCurve(QEasingCurve::InOutBack);
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animation->setKeyValueAt(0.0, points().value(index));
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animation->setKeyValueAt(1.0, point);
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animation->start(QAbstractAnimation::DeleteWhenStopped);
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}
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void LineChartAnimationItem::aw_addPoints(int points)
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{
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int index = count();
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for(int i = index;i< points ;i++){
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XYLineChartItem::addPoint(m_data.at(i));
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}
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updateGeometry();
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update();
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}
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void LineChartAnimationItem::aw_setPoint(int index,const QPointF& point)
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{
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XYLineChartItem::setPoint(index,point);
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updateGeometry();
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update();
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}
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#include "moc_linechartanimationitem_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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