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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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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 "splineanimation_p.h"
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#include "xychartitem_p.h"
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#include "pieanimation_p.h"
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#include "baranimation_p.h"
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#include "barchartitem_p.h"
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#include "areachartitem_p.h"
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#include "splinechartitem_p.h"
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#include "scatterchartitem_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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Q_DECLARE_METATYPE(QVector<QRectF>)
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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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m_state(ShowState)
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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(ChartAxis *item)
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{
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ChartAnimation *animation = 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(SplineChartItem *item)
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{
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ChartAnimation *animation = m_animations.value(item);
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if (!animation) {
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animation = new SplineAnimation(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(ScatterChartItem *item)
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{
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ChartAnimation *animation = 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::addAnimation(LineChartItem *item)
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{
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ChartAnimation *animation = 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::addAnimation(PieChartItem *item)
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{
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ChartAnimation *animation = m_animations.value(item);
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if (!animation) {
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animation = new PieAnimation(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(BarChartItem *item)
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{
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ChartAnimation *animation = m_animations.value(item);
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if (!animation) {
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animation = new BarAnimation(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(Chart *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::updateLayout(ChartAxis *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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Q_ASSERT(animation);
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QVector<qreal> oldLayout = item->layout();
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if (newLayout.count() == 0)
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return;
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switch (m_state) {
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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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oldLayout[i] = item->axisType() == ChartAxis::X_AXIS ? rect.left() : rect.bottom();
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oldLayout[j] = item->axisType() == ChartAxis::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() == ChartAxis::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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oldLayout[i]= oldLayout[index];
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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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oldLayout[i]= oldLayout[j];
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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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oldLayout[i]= oldLayout[j];
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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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oldLayout[i] = item->axisType() == ChartAxis::X_AXIS ? rect.left() : rect.top();
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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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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::updateLayout(SplineChartItem *item, QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, QVector<QPointF> &oldControlPoints, QVector<QPointF> &newControlPoints, int index)
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{
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SplineAnimation *animation = static_cast<SplineAnimation *>(m_animations.value(item));
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Q_ASSERT(animation);
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if (newPoints.count() < 2 || newControlPoints.count() < 2)
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return;
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bool empty = oldPoints.count() == 0;
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if (animation->state() != QAbstractAnimation::Stopped)
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animation->stop();
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animation->setDuration(duration);
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if (!empty)
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animation->setAnimationType(ChartAnimation::MoveDownAnimation);
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else
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animation->setAnimationType(ChartAnimation::LineDrawAnimation);
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animation->setEasingCurve(QEasingCurve::OutQuart);
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animation->setValues(oldPoints, newPoints, oldControlPoints, newControlPoints, index);
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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> &oldPoints, QVector<QPointF> &newPoints, int index)
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{
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XYAnimation *animation = static_cast<XYAnimation *>(m_animations.value(item));
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Q_ASSERT(animation);
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if (newPoints.count() == 0)
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return;
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bool empty = oldPoints.count() == 0;
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if (animation->state() != QAbstractAnimation::Stopped)
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animation->stop();
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animation->setDuration(duration);
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if (!empty)
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animation->setAnimationType(ChartAnimation::MoveDownAnimation);
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else
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animation->setAnimationType(ChartAnimation::LineDrawAnimation);
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animation->setEasingCurve(QEasingCurve::OutQuart);
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animation->setValues(oldPoints, newPoints, index);
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QTimer::singleShot(0, animation, SLOT(start()));
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}
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void ChartAnimator::addAnimation(PieChartItem *item, PieSliceItem *sliceItem, const PieSliceData &sliceData, bool startupAnimation)
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{
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PieAnimation *animation = static_cast<PieAnimation *>(m_animations.value(item));
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Q_ASSERT(animation);
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animation->addSlice(sliceItem, sliceData, startupAnimation);
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}
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void ChartAnimator::removeAnimation(PieChartItem *item, PieSliceItem *sliceItem)
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{
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PieAnimation *animation = static_cast<PieAnimation *>(m_animations.value(item));
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Q_ASSERT(animation);
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animation->removeSlice(sliceItem);
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}
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void ChartAnimator::updateAnimation(PieChartItem *item, PieSliceItem *sliceItem, const PieSliceData &sliceData)
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{
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PieAnimation *animation = static_cast<PieAnimation *>(m_animations.value(item));
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Q_ASSERT(animation);
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animation->updateValue(sliceItem, sliceData);
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}
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void ChartAnimator::updateLayout(BarChartItem *item, const QVector<QRectF> &oldLayout, const QVector<QRectF> &newLayout)
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{
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BarAnimation *animation = static_cast<BarAnimation *>(m_animations.value(item));
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Q_ASSERT(animation);
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animation->setDuration(duration);
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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::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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#include "moc_chartanimator_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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