|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.digia.com
|
|
|
**
|
|
|
** This file is part of the Qt Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and Digia.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
#include "chartpresenter_p.h"
|
|
|
#include "qchart.h"
|
|
|
#include "qchart_p.h"
|
|
|
#include "qabstractaxis.h"
|
|
|
#include "chartdataset_p.h"
|
|
|
#include "charttheme_p.h"
|
|
|
#include "chartanimator_p.h"
|
|
|
#include "chartanimation_p.h"
|
|
|
#include "qabstractseries_p.h"
|
|
|
#include "qareaseries.h"
|
|
|
#include "chartaxis_p.h"
|
|
|
#include "chartaxisx_p.h"
|
|
|
#include "chartaxisy_p.h"
|
|
|
#include "areachartitem_p.h"
|
|
|
#include "chartbackground_p.h"
|
|
|
#include "chartlayout_p.h"
|
|
|
#include <QTimer>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
ChartPresenter::ChartPresenter(QChart* chart,ChartDataSet* dataset):QObject(chart),
|
|
|
m_chart(chart),
|
|
|
m_animator(0),
|
|
|
m_dataset(dataset),
|
|
|
m_chartTheme(0),
|
|
|
m_options(QChart::NoAnimation),
|
|
|
m_state(ShowState),
|
|
|
m_layout(new ChartLayout(this)),
|
|
|
m_backgroundItem(0),
|
|
|
m_titleItem(0)
|
|
|
{
|
|
|
|
|
|
}
|
|
|
|
|
|
ChartPresenter::~ChartPresenter()
|
|
|
{
|
|
|
delete m_chartTheme;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setGeometry(const QRectF& rect)
|
|
|
{
|
|
|
|
|
|
Q_ASSERT(rect.isValid());
|
|
|
|
|
|
if(m_rect!=rect) {
|
|
|
m_rect=rect;
|
|
|
emit geometryChanged(m_rect);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::handleAxisAdded(QAbstractAxis* axis,Domain* domain)
|
|
|
{
|
|
|
ChartAxis* item;
|
|
|
|
|
|
if(axis == m_dataset->axisX(0)){
|
|
|
item = new ChartAxisX(axis,this);
|
|
|
}else{
|
|
|
item = new ChartAxisY(axis,this);
|
|
|
}
|
|
|
|
|
|
if(m_options.testFlag(QChart::GridAxisAnimations)){
|
|
|
item->setAnimator(m_animator);
|
|
|
item->setAnimation(new AxisAnimation(item));
|
|
|
}
|
|
|
|
|
|
if(axis==m_dataset->axisX(0)){
|
|
|
m_chartTheme->decorate(axis,true);
|
|
|
QObject::connect(domain,SIGNAL(rangeXChanged(qreal,qreal,int)),item,SLOT(handleRangeChanged(qreal,qreal,int)));
|
|
|
//initialize
|
|
|
item->handleRangeChanged(domain->minX(),domain->maxX(),domain->tickXCount());
|
|
|
|
|
|
}
|
|
|
else{
|
|
|
m_chartTheme->decorate(axis,false);
|
|
|
QObject::connect(domain,SIGNAL(rangeYChanged(qreal,qreal,int)),item,SLOT(handleRangeChanged(qreal,qreal,int)));
|
|
|
//initialize
|
|
|
item->handleRangeChanged(domain->minY(),domain->maxY(),domain->tickYCount());
|
|
|
}
|
|
|
|
|
|
QObject::connect(this,SIGNAL(geometryChanged(QRectF)),item,SLOT(handleGeometryChanged(QRectF)));
|
|
|
//initialize
|
|
|
if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
|
|
|
m_axisItems.insert(axis, item);
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::handleAxisRemoved(QAbstractAxis* axis)
|
|
|
{
|
|
|
ChartAxis* item = m_axisItems.take(axis);
|
|
|
Q_ASSERT(item);
|
|
|
if(m_animator) m_animator->removeAnimation(item);
|
|
|
delete item;
|
|
|
}
|
|
|
|
|
|
|
|
|
void ChartPresenter::handleSeriesAdded(QAbstractSeries* series,Domain* domain)
|
|
|
{
|
|
|
Chart *item = series->d_ptr->createGraphics(this);
|
|
|
Q_ASSERT(item);
|
|
|
QObject::connect(this,SIGNAL(geometryChanged(QRectF)),item,SLOT(handleGeometryChanged(QRectF)));
|
|
|
QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),item,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
|
|
|
//initialize
|
|
|
item->handleDomainChanged(domain->minX(),domain->maxX(),domain->minY(),domain->maxY());
|
|
|
if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
|
|
|
m_chartItems.insert(series,item);
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::handleSeriesRemoved(QAbstractSeries* series)
|
|
|
{
|
|
|
Chart* item = m_chartItems.take(series);
|
|
|
Q_ASSERT(item);
|
|
|
if(m_animator) {
|
|
|
//small hack to handle area animations
|
|
|
if(series->type() == QAbstractSeries::SeriesTypeArea){
|
|
|
QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series);
|
|
|
AreaChartItem* area = static_cast<AreaChartItem*>(item);
|
|
|
m_animator->removeAnimation(area->upperLineItem());
|
|
|
if(areaSeries->lowerSeries()) m_animator->removeAnimation(area->lowerLineItem());
|
|
|
}else
|
|
|
m_animator->removeAnimation(item);
|
|
|
}
|
|
|
delete item;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setTheme(QChart::ChartTheme theme,bool force)
|
|
|
{
|
|
|
if(m_chartTheme && m_chartTheme->id() == theme) return;
|
|
|
delete m_chartTheme;
|
|
|
m_chartTheme = ChartTheme::createTheme(theme);
|
|
|
m_chartTheme->setForced(force);
|
|
|
m_chartTheme->decorate(m_chart);
|
|
|
m_chartTheme->decorate(m_chart->legend());
|
|
|
resetAllElements();
|
|
|
|
|
|
// We do not want "force" to stay on.
|
|
|
// Bar/pie are calling decorate when adding/removing slices/bars which means
|
|
|
// that to preserve users colors "force" must not be on.
|
|
|
m_chartTheme->setForced(false);
|
|
|
}
|
|
|
|
|
|
QChart::ChartTheme ChartPresenter::theme()
|
|
|
{
|
|
|
return m_chartTheme->id();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options)
|
|
|
{
|
|
|
if(m_options!=options) {
|
|
|
|
|
|
m_options=options;
|
|
|
|
|
|
if(m_options!=QChart::NoAnimation && !m_animator) {
|
|
|
m_animator= new ChartAnimator(this);
|
|
|
}
|
|
|
resetAllElements();
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::resetAllElements()
|
|
|
{
|
|
|
QList<QAbstractAxis*> axisList = m_axisItems.uniqueKeys();
|
|
|
QList<QAbstractSeries *> seriesList = m_chartItems.uniqueKeys();
|
|
|
|
|
|
foreach(QAbstractAxis *axis, axisList) {
|
|
|
handleAxisRemoved(axis);
|
|
|
handleAxisAdded(axis,m_dataset->domain(axis));
|
|
|
}
|
|
|
foreach(QAbstractSeries *series, seriesList) {
|
|
|
handleSeriesRemoved(series);
|
|
|
handleSeriesAdded(series,m_dataset->domain(series));
|
|
|
// m_dataset->removeSeries(series);
|
|
|
// m_dataset->addSeries(series);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::zoomIn(qreal factor)
|
|
|
{
|
|
|
QRectF rect = geometry();
|
|
|
rect.setWidth(rect.width()/factor);
|
|
|
rect.setHeight(rect.height()/factor);
|
|
|
rect.moveCenter(geometry().center());
|
|
|
zoomIn(rect);
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::zoomIn(const QRectF& rect)
|
|
|
{
|
|
|
QRectF r = rect.normalized();
|
|
|
r.translate(-geometry().topLeft());
|
|
|
if (!r.isValid())
|
|
|
return;
|
|
|
|
|
|
m_state = ZoomInState;
|
|
|
m_statePoint = QPointF(r.center().x()/geometry().width(),r.center().y()/geometry().height());
|
|
|
m_dataset->zoomInDomain(r,geometry().size());
|
|
|
m_state = ShowState;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::zoomOut(qreal factor)
|
|
|
{
|
|
|
m_state = ZoomOutState;
|
|
|
|
|
|
QRectF chartRect;
|
|
|
chartRect.setSize(geometry().size());
|
|
|
|
|
|
QRectF rect;
|
|
|
rect.setSize(chartRect.size()/factor);
|
|
|
rect.moveCenter(chartRect.center());
|
|
|
if (!rect.isValid())
|
|
|
return;
|
|
|
m_statePoint = QPointF(rect.center().x()/geometry().width(),rect.center().y()/geometry().height());
|
|
|
m_dataset->zoomOutDomain(rect, chartRect.size());
|
|
|
m_state = ShowState;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::scroll(qreal dx,qreal dy)
|
|
|
{
|
|
|
if(dx<0) m_state=ScrollLeftState;
|
|
|
if(dx>0) m_state=ScrollRightState;
|
|
|
if(dy<0) m_state=ScrollUpState;
|
|
|
if(dy>0) m_state=ScrollDownState;
|
|
|
|
|
|
m_dataset->scrollDomain(dx,dy,geometry().size());
|
|
|
m_state = ShowState;
|
|
|
}
|
|
|
|
|
|
QChart::AnimationOptions ChartPresenter::animationOptions() const
|
|
|
{
|
|
|
return m_options;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::createBackgroundItem()
|
|
|
{
|
|
|
if (!m_backgroundItem) {
|
|
|
m_backgroundItem = new ChartBackground(rootItem());
|
|
|
m_backgroundItem->setPen(Qt::NoPen);
|
|
|
m_backgroundItem->setZValue(ChartPresenter::BackgroundZValue);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::createTitleItem()
|
|
|
{
|
|
|
if (!m_titleItem) {
|
|
|
m_titleItem = new QGraphicsSimpleTextItem(rootItem());
|
|
|
m_titleItem->setZValue(ChartPresenter::BackgroundZValue);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
void ChartPresenter::handleAnimationFinished()
|
|
|
{
|
|
|
m_animations.removeAll(qobject_cast<ChartAnimation*>(sender()));
|
|
|
if(m_animations.empty()) emit animationsFinished();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::startAnimation(ChartAnimation* animation)
|
|
|
{
|
|
|
if (animation->state() != QAbstractAnimation::Stopped) animation->stop();
|
|
|
QObject::connect(animation, SIGNAL(finished()),this,SLOT(handleAnimationFinished()),Qt::UniqueConnection);
|
|
|
if(!m_animations.isEmpty()){
|
|
|
m_animations.append(animation);
|
|
|
}
|
|
|
QTimer::singleShot(0, animation, SLOT(start()));
|
|
|
}
|
|
|
|
|
|
QGraphicsRectItem* ChartPresenter::backgroundItem()
|
|
|
{
|
|
|
return m_backgroundItem;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setBackgroundBrush(const QBrush& brush)
|
|
|
{
|
|
|
createBackgroundItem();
|
|
|
m_backgroundItem->setBrush(brush);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QBrush ChartPresenter::backgroundBrush() const
|
|
|
{
|
|
|
if (!m_backgroundItem) return QBrush();
|
|
|
return m_backgroundItem->brush();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setBackgroundPen(const QPen& pen)
|
|
|
{
|
|
|
createBackgroundItem();
|
|
|
m_backgroundItem->setPen(pen);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QPen ChartPresenter::backgroundPen() const
|
|
|
{
|
|
|
if (!m_backgroundItem) return QPen();
|
|
|
return m_backgroundItem->pen();
|
|
|
}
|
|
|
|
|
|
QGraphicsItem* ChartPresenter::titleItem()
|
|
|
{
|
|
|
return m_titleItem;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setTitle(const QString& title)
|
|
|
{
|
|
|
createTitleItem();
|
|
|
m_titleItem->setText(title);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QString ChartPresenter::title() const
|
|
|
{
|
|
|
if (!m_titleItem) return QString();
|
|
|
return m_titleItem->text();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setTitleFont(const QFont& font)
|
|
|
{
|
|
|
createTitleItem();
|
|
|
m_titleItem->setFont(font);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QFont ChartPresenter::titleFont() const
|
|
|
{
|
|
|
if (!m_titleItem) return QFont();
|
|
|
return m_titleItem->font();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setTitleBrush(const QBrush &brush)
|
|
|
{
|
|
|
createTitleItem();
|
|
|
m_titleItem->setBrush(brush);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QBrush ChartPresenter::titleBrush() const
|
|
|
{
|
|
|
if (!m_titleItem) return QBrush();
|
|
|
return m_titleItem->brush();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setBackgroundVisible(bool visible)
|
|
|
{
|
|
|
createBackgroundItem();
|
|
|
m_backgroundItem->setVisible(visible);
|
|
|
}
|
|
|
|
|
|
|
|
|
bool ChartPresenter::isBackgroundVisible() const
|
|
|
{
|
|
|
if (!m_backgroundItem) return false;
|
|
|
return m_backgroundItem->isVisible();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setBackgroundDropShadowEnabled(bool enabled)
|
|
|
{
|
|
|
createBackgroundItem();
|
|
|
m_backgroundItem->setDropShadowEnabled(enabled);
|
|
|
}
|
|
|
|
|
|
bool ChartPresenter::isBackgroundDropShadowEnabled() const
|
|
|
{
|
|
|
if (!m_backgroundItem) return false;
|
|
|
return m_backgroundItem->isDropShadowEnabled();
|
|
|
}
|
|
|
|
|
|
|
|
|
QGraphicsLayout* ChartPresenter::layout()
|
|
|
{
|
|
|
return m_layout;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setMarginsMinimum(const QRectF& margins)
|
|
|
{
|
|
|
Q_UNUSED(margins);
|
|
|
// m_layout->setMarginsMinimum(margins);
|
|
|
}
|
|
|
|
|
|
QRectF ChartPresenter::margins() const
|
|
|
{
|
|
|
return QRectF();//m_layout->margins();
|
|
|
}
|
|
|
|
|
|
QLegend* ChartPresenter::legend()
|
|
|
{
|
|
|
return m_chart->legend();
|
|
|
}
|
|
|
|
|
|
QList<ChartAxis*> ChartPresenter::axisItems() const
|
|
|
{
|
|
|
return m_axisItems.values();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setVisible(bool visible)
|
|
|
{
|
|
|
m_chart->setVisible(visible);
|
|
|
}
|
|
|
|
|
|
#include "moc_chartpresenter_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
