chartanimator.cpp
141 lines
| 3.7 KiB
| text/x-c
|
CppLexer
Michal Klocek
|
r530 | #include "chartanimator_p.h" | ||
#include "axisanimation_p.h" | ||||
#include "xyanimation_p.h" | ||||
#include "xychartitem_p.h" | ||||
#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) | ||||
{ | ||||
AxisAnimation* animation = static_cast<AxisAnimation*>(m_animations.value(item)); | ||||
if(!animation) { | ||||
animation = new AxisAnimation(item); | ||||
m_animations.insert(item,animation); | ||||
} | ||||
item->setAnimator(this); | ||||
} | ||||
void ChartAnimator::addAnimation(XYChartItem* item) | ||||
{ | ||||
XYAnimation* animation = static_cast<XYAnimation*>(m_animations.value(item)); | ||||
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)); | ||||
if(!animation) return; | ||||
QVector<qreal> oldLayout = item->layout(); | ||||
if(newLayout.count()==0) return; | ||||
if(item->zoomFactor()<0) { | ||||
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(); | ||||
} | ||||
} | ||||
else { | ||||
int index = qMin(oldLayout.count()*item->zoomFactor(),newLayout.count()-1.0); | ||||
oldLayout.resize(newLayout.count()); | ||||
for(int i=0;i<oldLayout.count();i++) | ||||
{ | ||||
oldLayout[i]= oldLayout[index]; //axisType()==X_AXIS?rect.center.x():rect.center().y(); | ||||
} | ||||
} | ||||
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)); | ||||
if(!animation) return; | ||||
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)); | ||||
if(!animation) return; | ||||
animation->setDuration(duration); | ||||
animation->setAnimationType(XYAnimation::MoveDownAnimation); | ||||
animation->setEasingCurve(QEasingCurve::OutQuart); | ||||
animation->updateValues(newPoints); | ||||
QTimer::singleShot(0,animation,SLOT(start())); | ||||
} | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||