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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 "qchart.h"
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#include "qchartaxis.h"
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#include "chartpresenter_p.h"
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#include "chartdataset_p.h"
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#include "charttheme_p.h"
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#include "chartanimator_p.h"
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//series
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#include "qbarseries.h"
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#include "qstackedbarseries.h"
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#include "qpercentbarseries.h"
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#include "qlineseries.h"
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#include "qareaseries.h"
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#include "qpieseries.h"
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#include "qscatterseries.h"
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#include "qsplineseries.h"
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//items
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#include "axisitem_p.h"
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#include "areachartitem_p.h"
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#include "barchartitem_p.h"
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#include "stackedbarchartitem_p.h"
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#include "percentbarchartitem_p.h"
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#include "linechartitem_p.h"
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#include "piechartitem_p.h"
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#include "scatterchartitem_p.h"
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#include "splinechartitem_p.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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ChartPresenter::ChartPresenter(QChart* chart,ChartDataSet* dataset):QObject(chart),
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m_chart(chart),
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m_animator(0),
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m_dataset(dataset),
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m_chartTheme(0),
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m_rect(QRectF(QPoint(0,0),m_chart->size())),
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m_options(QChart::NoAnimation),
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m_themeForce(false),
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m_backgroundPadding(10)
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{
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createConnections();
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setTheme(QChart::ChartThemeDefault,false);
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}
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ChartPresenter::~ChartPresenter()
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{
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delete m_chartTheme;
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}
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void ChartPresenter::createConnections()
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{
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QObject::connect(m_chart,SIGNAL(geometryChanged()),this,SLOT(handleGeometryChanged()));
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QObject::connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),this,SLOT(handleSeriesAdded(QSeries*,Domain*)));
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QObject::connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),this,SLOT(handleSeriesRemoved(QSeries*)));
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QObject::connect(m_dataset,SIGNAL(axisAdded(QChartAxis*,Domain*)),this,SLOT(handleAxisAdded(QChartAxis*,Domain*)));
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QObject::connect(m_dataset,SIGNAL(axisRemoved(QChartAxis*)),this,SLOT(handleAxisRemoved(QChartAxis*)));
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}
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void ChartPresenter::handleGeometryChanged()
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{
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QRectF rect(QPoint(0,0),m_chart->size());
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QRectF padding = m_chart->padding();
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rect.adjust(padding.left(), padding.top(), -padding.right(), -padding.bottom());
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//rewrite zoom stack
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/*
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for(int i=0;i<m_zoomStack.count();i++){
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QRectF r = m_zoomStack[i];
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qreal w = rect.width()/m_rect.width();
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qreal h = rect.height()/m_rect.height();
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QPointF tl = r.topLeft();
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tl.setX(tl.x()*w);
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tl.setY(tl.y()*h);
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QPointF br = r.bottomRight();
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br.setX(br.x()*w);
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br.setY(br.y()*h);
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r.setTopLeft(tl);
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r.setBottomRight(br);
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m_zoomStack[i]=r;
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}
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*/
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m_rect = rect;
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Q_ASSERT(m_rect.isValid());
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emit geometryChanged(m_rect);
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}
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void ChartPresenter::handleAxisAdded(QChartAxis* axis,Domain* domain)
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{
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Axis* item = new Axis(axis,this,axis==m_dataset->axisX()?Axis::X_AXIS : Axis::Y_AXIS);
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if(m_options.testFlag(QChart::GridAxisAnimations)){
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m_animator->addAnimation(item);
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}
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if(axis==m_dataset->axisX()){
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m_chartTheme->decorate(axis,true,m_themeForce);
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QObject::connect(domain,SIGNAL(rangeXChanged(qreal,qreal,int)),item,SLOT(handleRangeChanged(qreal,qreal,int)));
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//initialize
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item->handleRangeChanged(domain->minX(),domain->maxX(),domain->tickXCount());
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}
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else{
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m_chartTheme->decorate(axis,false,m_themeForce);
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QObject::connect(domain,SIGNAL(rangeYChanged(qreal,qreal,int)),item,SLOT(handleRangeChanged(qreal,qreal,int)));
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//initialize
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item->handleRangeChanged(domain->minY(),domain->maxY(),domain->tickYCount());
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}
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
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//initialize
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item->handleGeometryChanged(m_rect);
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m_axisItems.insert(axis, item);
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}
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void ChartPresenter::handleAxisRemoved(QChartAxis* axis)
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{
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Axis* item = m_axisItems.take(axis);
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Q_ASSERT(item);
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if(m_animator) m_animator->removeAnimation(item);
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delete item;
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}
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void ChartPresenter::handleSeriesAdded(QSeries* series,Domain* domain)
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{
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Chart *item = 0 ;
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switch(series->type())
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{
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case QSeries::SeriesTypeLine: {
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QLineSeries* lineSeries = static_cast<QLineSeries*>(series);
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LineChartItem* line = new LineChartItem(lineSeries,this);
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if(m_options.testFlag(QChart::SeriesAnimations)) {
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m_animator->addAnimation(line);
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}
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m_chartTheme->decorate(lineSeries, m_dataset->seriesIndex(series),m_themeForce);
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),line,SLOT(handleGeometryChanged(const QRectF&)));
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QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),line,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
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item = line;
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break;
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}
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case QSeries::SeriesTypeArea: {
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QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series);
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AreaChartItem* area = new AreaChartItem(areaSeries,this);
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if(m_options.testFlag(QChart::SeriesAnimations)) {
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m_animator->addAnimation(area->upperLineItem());
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if(areaSeries->lowerSeries()) m_animator->addAnimation(area->lowerLineItem());
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}
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m_chartTheme->decorate(areaSeries, m_dataset->seriesIndex(series),m_themeForce);
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),area,SLOT(handleGeometryChanged(const QRectF&)));
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QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),area,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
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item=area;
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break;
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}
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case QSeries::SeriesTypeBar: {
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QBarSeries* barSeries = static_cast<QBarSeries*>(series);
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BarChartItem* bar = new BarChartItem(barSeries,this);
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if(m_options.testFlag(QChart::SeriesAnimations)) {
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m_animator->addAnimation(bar);
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}
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m_chartTheme->decorate(barSeries, m_dataset->seriesIndex(barSeries),m_themeForce);
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&)));
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QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
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item=bar;
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break;
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}
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case QSeries::SeriesTypeStackedBar: {
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QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series);
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StackedBarChartItem* bar = new StackedBarChartItem(stackedBarSeries,this);
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if(m_options.testFlag(QChart::SeriesAnimations)) {
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m_animator->addAnimation(bar);
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}
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m_chartTheme->decorate(stackedBarSeries, m_dataset->seriesIndex(stackedBarSeries),m_themeForce);
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&)));
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QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
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item=bar;
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break;
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}
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case QSeries::SeriesTypePercentBar: {
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QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series);
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PercentBarChartItem* bar = new PercentBarChartItem(percentBarSeries,this);
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if(m_options.testFlag(QChart::SeriesAnimations)) {
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m_animator->addAnimation(bar);
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}
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m_chartTheme->decorate(percentBarSeries, m_dataset->seriesIndex(percentBarSeries),m_themeForce);
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&)));
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QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
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item=bar;
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break;
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}
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case QSeries::SeriesTypeScatter: {
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QScatterSeries *scatterSeries = static_cast<QScatterSeries *>(series);
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ScatterChartItem *scatter = new ScatterChartItem(scatterSeries,this);
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if(m_options.testFlag(QChart::SeriesAnimations)) {
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m_animator->addAnimation(scatter);
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}
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m_chartTheme->decorate(scatterSeries, m_dataset->seriesIndex(series),m_themeForce);
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),scatter,SLOT(handleGeometryChanged(const QRectF&)));
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QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),scatter,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
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item = scatter;
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break;
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}
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case QSeries::SeriesTypePie: {
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QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
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PieChartItem* pie = new PieChartItem(pieSeries, this);
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if(m_options.testFlag(QChart::SeriesAnimations)) {
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m_animator->addAnimation(pie);
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}
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m_chartTheme->decorate(pieSeries, m_dataset->seriesIndex(series),m_themeForce);
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),pie,SLOT(handleGeometryChanged(const QRectF&)));
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QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),pie,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
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// Hide all from background when there is only piechart
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// TODO: refactor this ugly code... should be one setting for this
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if (m_chartItems.count() == 0) {
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m_chart->axisX()->hide();
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m_chart->axisY()->hide();
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}
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item=pie;
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break;
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}
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case QSeries::SeriesTypeSpline: {
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QSplineSeries* splineSeries = static_cast<QSplineSeries*>(series);
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SplineChartItem* spline = new SplineChartItem(splineSeries, this);
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if(m_options.testFlag(QChart::SeriesAnimations)) {
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m_animator->addAnimation(spline);
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}
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m_chartTheme->decorate(splineSeries, m_dataset->seriesIndex(series),m_themeForce);
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QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),spline,SLOT(handleGeometryChanged(const QRectF&)));
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QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),spline,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
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item=spline;
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break;
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}
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default: {
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qDebug()<< "Series type" << series->type() << "not implemented.";
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break;
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}
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}
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//initialize
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item->handleDomainChanged(domain->minX(),domain->maxX(),domain->minY(),domain->maxY());
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if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
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m_chartItems.insert(series,item);
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}
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void ChartPresenter::handleSeriesRemoved(QSeries* series)
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{
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Chart* item = m_chartItems.take(series);
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Q_ASSERT(item);
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if(m_animator) {
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//small hack to handle area animations
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if(series->type()==QSeries::SeriesTypeArea){
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QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series);
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AreaChartItem* area = static_cast<AreaChartItem*>(item);
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m_animator->removeAnimation(area->upperLineItem());
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if(areaSeries->lowerSeries()) m_animator->removeAnimation(area->lowerLineItem());
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}else
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m_animator->removeAnimation(item);
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}
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delete item;
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}
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void ChartPresenter::setTheme(QChart::ChartTheme theme,bool force)
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{
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if(m_chartTheme && m_chartTheme->id() == theme) return;
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delete m_chartTheme;
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m_themeForce = force;
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m_chartTheme = ChartTheme::createTheme(theme);
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m_chartTheme->decorate(m_chart,m_themeForce);
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m_chartTheme->decorate(m_chart->legend(),m_themeForce);
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resetAllElements();
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}
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QChart::ChartTheme ChartPresenter::theme()
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{
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return m_chartTheme->id();
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}
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void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options)
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{
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if(m_options!=options) {
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m_options=options;
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if(m_options!=QChart::NoAnimation && !m_animator) {
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m_animator= new ChartAnimator(this);
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}
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resetAllElements();
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}
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}
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void ChartPresenter::resetAllElements()
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{
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QList<QChartAxis*> axisList = m_axisItems.uniqueKeys();
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QList<QSeries*> seriesList = m_chartItems.uniqueKeys();
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foreach(QChartAxis* axis, axisList) {
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handleAxisRemoved(axis);
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handleAxisAdded(axis,m_dataset->domain(axis));
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}
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foreach(QSeries* series, seriesList) {
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handleSeriesRemoved(series);
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handleSeriesAdded(series,m_dataset->domain(series));
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}
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}
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void ChartPresenter::zoomIn()
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{
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QRectF rect = geometry();
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rect.setWidth(rect.width()/2);
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rect.setHeight(rect.height()/2);
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rect.moveCenter(geometry().center());
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zoomIn(rect);
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}
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void ChartPresenter::zoomIn(const QRectF& rect)
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{
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QRectF r = rect.normalized();
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r.translate(-m_chart->padding().topLeft());
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if(m_animator) {
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QPointF point(r.center().x()/geometry().width(),r.center().y()/geometry().height());
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m_animator->setState(ChartAnimator::ZoomInState,point);
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}
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m_dataset->zoomInDomain(r,geometry().size());
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if(m_animator) {
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m_animator->setState(ChartAnimator::ShowState);
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}
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}
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void ChartPresenter::zoomOut()
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{
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if(m_animator)
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{
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m_animator->setState(ChartAnimator::ZoomOutState);
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}
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QSizeF size = geometry().size();
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QRectF rect = geometry();
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rect.translate(-m_chart->padding().topLeft());
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m_dataset->zoomOutDomain(rect.adjusted(size.width()/4,size.height()/4,-size.width()/4,-size.height()/4),size);
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//m_dataset->zoomOutDomain(m_zoomStack[m_zoomIndex-1],geometry().size());
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if(m_animator){
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m_animator->setState(ChartAnimator::ShowState);
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}
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}
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void ChartPresenter::scroll(int dx,int dy)
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{
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if(m_animator){
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if(dx<0) m_animator->setState(ChartAnimator::ScrollLeftState,QPointF());
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if(dx>0) m_animator->setState(ChartAnimator::ScrollRightState,QPointF());
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if(dy<0) m_animator->setState(ChartAnimator::ScrollUpState,QPointF());
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if(dy>0) m_animator->setState(ChartAnimator::ScrollDownState,QPointF());
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}
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m_dataset->scrollDomain(dx,dy,geometry().size());
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if(m_animator){
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m_animator->setState(ChartAnimator::ShowState);
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}
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}
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QChart::AnimationOptions ChartPresenter::animationOptions() const
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{
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return m_options;
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}
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#include "moc_chartpresenter_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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|
