|
|
#ifndef XYCHARTANIMATIONITEM_P_H_
|
|
|
#define XYCHARTANIMATIONITEM_P_H_
|
|
|
#include "qchartglobal.h"
|
|
|
#include "xychartanimator_p.h"
|
|
|
#include <QPointF>
|
|
|
#include <QTimer>
|
|
|
#include <QGraphicsItem>
|
|
|
|
|
|
Q_DECLARE_METATYPE(QVector<QPointF>)
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
|
|
|
const static int duration = 1000;
|
|
|
|
|
|
template <class T , class U>
|
|
|
class XYChartAnimationItem : public T {
|
|
|
|
|
|
public:
|
|
|
XYChartAnimationItem(U *series, QGraphicsItem *parent = 0);
|
|
|
virtual ~XYChartAnimationItem();
|
|
|
|
|
|
void animationStarted();
|
|
|
|
|
|
protected:
|
|
|
virtual void updatePoints(QVector<QPointF>& newPoints);
|
|
|
virtual void updatePoint(QVector<QPointF>& newPoints);
|
|
|
|
|
|
private:
|
|
|
XYChartAnimator<T,U> *m_animation;
|
|
|
QVector<QPointF> m_points;
|
|
|
bool m_dirty;
|
|
|
};
|
|
|
|
|
|
template <class T, class U>
|
|
|
XYChartAnimationItem<T,U>::XYChartAnimationItem(U *series,QGraphicsItem *parent):
|
|
|
T(series,parent),
|
|
|
m_animation(new XYChartAnimator<T,U>(this,this)),
|
|
|
m_dirty(false)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
template <class T, class U>
|
|
|
XYChartAnimationItem<T,U>::~XYChartAnimationItem()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
template <class T, class U>
|
|
|
void XYChartAnimationItem<T,U>::updatePoints(QVector<QPointF>& newPoints)
|
|
|
{
|
|
|
QVector<QPointF> oldPoints = T::points();
|
|
|
|
|
|
if(newPoints.count()==0) return;
|
|
|
|
|
|
bool empty = oldPoints.count()==0;
|
|
|
oldPoints.resize(newPoints.size());
|
|
|
|
|
|
if(m_animation->state()!=QAbstractAnimation::Stopped){
|
|
|
m_animation->stop();
|
|
|
}
|
|
|
|
|
|
m_animation->setDuration(duration);
|
|
|
if(!empty)
|
|
|
m_animation->setAnimationType(XYChartAnimator<T,U>::MoveDownAnimation);
|
|
|
else
|
|
|
m_animation->setAnimationType(XYChartAnimator<T,U>::LineDrawAnimation);
|
|
|
m_animation->setEasingCurve(QEasingCurve::OutQuart);
|
|
|
m_animation->setKeyValueAt(0.0, qVariantFromValue(oldPoints));
|
|
|
m_animation->setKeyValueAt(1.0, qVariantFromValue(newPoints));
|
|
|
QTimer::singleShot(0,m_animation,SLOT(start()));
|
|
|
|
|
|
m_points = newPoints;
|
|
|
m_dirty=false;
|
|
|
}
|
|
|
|
|
|
template <class T, class U>
|
|
|
void XYChartAnimationItem<T,U>::updatePoint(QVector<QPointF>& newPoints)
|
|
|
{
|
|
|
|
|
|
if(m_animation->state()!=QAbstractAnimation::Stopped) {
|
|
|
m_animation->stop();
|
|
|
m_dirty=true;
|
|
|
}
|
|
|
|
|
|
if(m_dirty) {
|
|
|
m_points=newPoints;
|
|
|
m_dirty=false;
|
|
|
}
|
|
|
|
|
|
m_animation->setDuration(duration);
|
|
|
m_animation->setAnimationType(XYChartAnimator<T,U>::MoveDownAnimation);
|
|
|
m_animation->setEasingCurve(QEasingCurve::OutQuart);
|
|
|
m_animation->setKeyValueAt(0.0, qVariantFromValue(m_points));
|
|
|
m_animation->setKeyValueAt(1.0, qVariantFromValue(newPoints));
|
|
|
|
|
|
QTimer::singleShot(0,m_animation,SLOT(start()));
|
|
|
}
|
|
|
|
|
|
template <class T, class U>
|
|
|
void XYChartAnimationItem<T,U>::animationStarted()
|
|
|
{
|
|
|
m_dirty=true;
|
|
|
}
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
|
|
#endif
|
|
|
|
