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Adds donut and precent charts to chartviewer
Adds donut and precent charts to chartviewer

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r1818:2fbaf0e7842a
r1865:27e7b2d61433
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chartdataset.cpp
491 lines | 12.6 KiB | text/x-c | CppLexer
/****************************************************************************
**
** 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 "chartdataset_p.h"
#include "qchart.h"
#include "qvalueaxis.h"
#include "qbarcategoryaxis.h"
#include "qvalueaxis_p.h"
#include "qcategoryaxis.h"
#include "qdatetimeaxis.h"
#include "qabstractseries_p.h"
#include "qabstractbarseries.h"
#include "qstackedbarseries.h"
#include "qpercentbarseries.h"
#include "qpieseries.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ChartDataSet::ChartDataSet(QChart *parent):QObject(parent)
{
}
ChartDataSet::~ChartDataSet()
{
removeAllSeries();
}
void ChartDataSet::addSeries(QAbstractSeries* series)
{
Domain* domain = m_seriesDomainMap.value(series);
if(domain) {
qWarning() << "Can not add series. Series already on the chart";
return;
}
domain = new Domain(series);
m_seriesDomainMap.insert(series,domain);
series->d_ptr->scaleDomain(*domain);
createSeriesIndex(series);
series->setParent(this); // take ownership
series->d_ptr->m_chart = qobject_cast<QChart*>(parent());
series->d_ptr->m_dataset = this;
emit seriesAdded(series,domain);
}
void ChartDataSet::removeSeries(QAbstractSeries* series)
{
if(!m_seriesDomainMap.contains(series)) {
qWarning()<<"Can not remove series. Series not found on the chart.";
return;
}
emit seriesRemoved(series);
Domain* domain = m_seriesDomainMap.take(series);
delete domain;
domain = 0;
removeSeriesIndex(series);
series->setParent(0);
series->d_ptr->m_chart = 0;
series->d_ptr->m_dataset = 0;
removeAxes(series);
}
void ChartDataSet::createSeriesIndex(QAbstractSeries* series)
{
QMapIterator<int, QAbstractSeries*> i(m_indexSeriesMap);
int key=0;
while (i.hasNext()) {
i.next();
if(i.key()!=key) {
break;
}
key++;
}
m_indexSeriesMap.insert(key,series);
}
void ChartDataSet::removeSeriesIndex(QAbstractSeries* series)
{
int key = seriesIndex(series);
Q_ASSERT(key!=-1);
m_indexSeriesMap.remove(key);
}
void ChartDataSet::createDefaultAxes()
{
if (m_seriesDomainMap.isEmpty())
return;
QAbstractAxis::AxisTypes typeX(0);
QAbstractAxis::AxisTypes typeY(0);
// Remove possibly existing axes
QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
while (i.hasNext()) {
i.next();
removeAxes(i.key());
}
i.toFront();
// Select the required axis x and axis y types based on the types of the current series
while (i.hasNext()) {
i.next();
QAbstractAxis* axisX = m_seriesAxisXMap.value(i.key());
QAbstractAxis* axisY = m_seriesAxisYMap.value(i.key());
if(axisX) typeX&=axisX->type();
else typeX|=i.key()->d_ptr->defaultAxisType(Qt::Horizontal);
if(axisY) typeY&=axisY->type();
else typeY|=i.key()->d_ptr->defaultAxisType(Qt::Vertical);
}
// Create the axes of the types selected
createAxes(typeX, Qt::Horizontal);
createAxes(typeY, Qt::Vertical);
}
void ChartDataSet::createAxes(QAbstractAxis::AxisTypes type, Qt::Orientation orientation)
{
QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
// TODO: Add a descriptive comment of what happens here
if (type.testFlag(QAbstractAxis::AxisTypeValue) && type.testFlag(QAbstractAxis::AxisTypeBarCategory)) {
while (i.hasNext()) {
i.next();
QAbstractAxis* axis = createAxis(i.key()->d_ptr->defaultAxisType(orientation), orientation);
if (axis) {
initializeAxis(axis, i.key());
emit axisAdded(axis, i.value());
}
}
} else if (!type.testFlag(QAbstractAxis::AxisTypeNoAxis)) {
QAbstractAxis* axis = createAxis(QAbstractAxis::AxisType(int(type)), orientation);
i.toFront();
while (i.hasNext()) {
i.next();
initializeAxis(axis,i.key());
}
emit axisAdded(axis,i.value());
}
}
QAbstractAxis* ChartDataSet::createAxis(QAbstractAxis::AxisType type, Qt::Orientation orientation)
{
QAbstractAxis* axis = 0;
switch(type) {
case QAbstractAxis::AxisTypeValue:
axis = new QValueAxis(this);
break;
case QAbstractAxis::AxisTypeBarCategory:
axis = new QBarCategoryAxis(this);
break;
case QAbstractAxis::AxisTypeCategory:
axis = new QCategoryAxis(this);
break;
case QAbstractAxis::AxisTypeDateTime:
axis = new QDateTimeAxis(this);
break;
default:
axis = 0;
break;
}
if(axis)
axis->d_ptr->setOrientation(orientation);
return axis;
}
void ChartDataSet::initializeAxis(QAbstractAxis* axis,QAbstractSeries* series)
{
Domain* domain = m_seriesDomainMap.value(series);
axis->d_ptr->m_dataset = this;
series->d_ptr->initializeAxis(axis);
axis->d_ptr->intializeDomain(domain);
if(axis->orientation()==Qt::Horizontal) {
QObject::connect(axis->d_ptr.data(),SIGNAL(updated()),domain,SLOT(handleAxisUpdated()));
QObject::connect(domain,SIGNAL(updated()),axis->d_ptr.data(),SLOT(handleDomainUpdated()));
m_seriesAxisXMap.insert(series,axis);
}
else {
QObject::connect(axis->d_ptr.data(),SIGNAL(updated()),domain,SLOT(handleAxisUpdated()));
QObject::connect(domain,SIGNAL(updated()),axis->d_ptr.data(),SLOT(handleDomainUpdated()));
m_seriesAxisYMap.insert(series,axis);
}
axis->d_ptr->emitUpdated();
}
void ChartDataSet::removeAxes(QAbstractSeries* series)
{
QAbstractAxis* axisX = m_seriesAxisXMap.take(series);
if(axisX) {
QList<QAbstractAxis*> axesX = m_seriesAxisXMap.values();
int x = axesX.indexOf(axisX);
if(x==-1) {
emit axisRemoved(axisX);
axisX->d_ptr->m_dataset=0;
axisX->deleteLater();
}
}
QAbstractAxis* axisY = m_seriesAxisYMap.take(series);
if(axisY) {
QList<QAbstractAxis*> axesY = m_seriesAxisYMap.values();
int y = axesY.indexOf(axisY);
if(y==-1) {
emit axisRemoved(axisY);
axisY->d_ptr->m_dataset=0;
axisY->deleteLater();
}
}
}
void ChartDataSet::removeAxis(QAbstractAxis* axis)
{
if(!axis->d_ptr->m_dataset) {
qWarning()<<"UnBound axis found !";
return;
}
QMap<QAbstractSeries*, QAbstractAxis*> *seriesAxisMap;
if(axis->orientation()==Qt::Vertical) {
seriesAxisMap= &m_seriesAxisYMap;
}
else {
seriesAxisMap= &m_seriesAxisXMap;
}
QMapIterator<QAbstractSeries*, QAbstractAxis*> i(*seriesAxisMap);
while (i.hasNext()) {
i.next();
if(i.value()==axis) {
removeSeries(i.key());
}
}
}
void ChartDataSet::removeAllSeries()
{
QList<QAbstractSeries*> series = m_seriesDomainMap.keys();
foreach(QAbstractSeries *s , series) {
removeSeries(s);
}
Q_ASSERT(m_seriesAxisXMap.count()==0);
Q_ASSERT(m_seriesAxisXMap.count()==0);
Q_ASSERT(m_seriesDomainMap.count()==0);
qDeleteAll(series);
}
void ChartDataSet::zoomInDomain(const QRectF& rect, const QSizeF& size)
{
//for performance reasons block, signals and scale "full" domain one by one. Gives twice less screen updates
blockAxisSignals(true);
QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
while (i.hasNext()) {
i.next();
i.value()->zoomIn(rect,size);
}
blockAxisSignals(false);
}
void ChartDataSet::zoomOutDomain(const QRectF& rect, const QSizeF& size)
{
//for performance reasons block, signals and scale "full" domain one by one. Gives twice less screen updates
blockAxisSignals(true);
QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
while (i.hasNext()) {
i.next();
i.value()->zoomOut(rect,size);
}
blockAxisSignals(false);
}
void ChartDataSet::blockAxisSignals(bool enabled)
{
QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
while (i.hasNext()) {
i.next();
QAbstractAxis* axisX = m_seriesAxisXMap.value(i.key());
QAbstractAxis* axisY = m_seriesAxisYMap.value(i.key());
if(axisX) {
axisX->d_ptr->blockSignals(enabled);
if(!enabled) {
axisX->d_ptr->setDirty(false);
axisX->d_ptr->emitUpdated();
}
}
if(axisY) {
axisY->d_ptr->blockSignals(enabled);
if(!enabled) {
axisY->d_ptr->setDirty(false);
axisY->d_ptr->emitUpdated();
}
}
}
}
int ChartDataSet::seriesCount(QAbstractSeries::SeriesType type)
{
int count=0;
QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
while (i.hasNext()) {
i.next();
if(i.key()->type()==type) count++;
}
return count;
}
int ChartDataSet::seriesIndex(QAbstractSeries *series)
{
QMapIterator<int, QAbstractSeries*> i(m_indexSeriesMap);
while (i.hasNext()) {
i.next();
if (i.value() == series)
return i.key();
}
return -1;
}
QAbstractAxis* ChartDataSet::axisX(QAbstractSeries *series) const
{
if(series == 0) {
QMapIterator<QAbstractSeries*, QAbstractAxis *> i(m_seriesAxisXMap);
while (i.hasNext()) {
i.next();
if(i.value()->isVisible()) return i.value();
}
return 0;
}
return m_seriesAxisXMap.value(series);
}
QAbstractAxis* ChartDataSet::axisY(QAbstractSeries *series) const
{
if(series == 0) {
QMapIterator<QAbstractSeries*, QAbstractAxis *> i(m_seriesAxisYMap);
while (i.hasNext()) {
i.next();
if(i.value()->isVisible()) return i.value();
}
return 0;
}
return m_seriesAxisYMap.value(series);
}
void ChartDataSet::setAxis(QAbstractSeries *series, QAbstractAxis *axis, Qt::Orientation orientation)
{
Q_ASSERT(axis);
if(!series) {
qWarning() << "Series not found on the chart.";
return;
}
Domain* domain = m_seriesDomainMap.value(series);
if(!domain) {
qWarning() << "Series not found on the chart.";
return;
}
if(orientation==Qt::Horizontal && axis->orientation()==Qt::Vertical) {
qWarning()<<"Axis already defined as axis Y";
return;
}
if(orientation==Qt::Vertical && axis->orientation()==Qt::Horizontal) {
qWarning()<<"Axis already defined as axis X";
return;
}
axis->d_ptr->setOrientation(orientation);
QMap<QAbstractSeries*, QAbstractAxis*> *seriesAxisMap;
if(orientation==Qt::Vertical) {
seriesAxisMap= &m_seriesAxisYMap;
}else{
seriesAxisMap= &m_seriesAxisXMap;
}
if (seriesAxisMap->value(series) == axis) {
qWarning() << "The axis already set for the series";
return;
}
QAbstractAxis *oldAxis = seriesAxisMap->take(series);
QList<QAbstractAxis*> axes = seriesAxisMap->values();
if(oldAxis) {
if(axes.indexOf(oldAxis)==-1) {
emit axisRemoved(oldAxis);
oldAxis->disconnect();
QObject::disconnect(domain,0,oldAxis,0);
oldAxis->d_ptr->m_dataset=0;
oldAxis->deleteLater();
}
}
if(axes.indexOf(axis)==-1) {
initializeAxis(axis,series);
emit axisAdded(axis,domain);
}else{
initializeAxis(axis,series);
}
}
Domain* ChartDataSet::domain(QAbstractSeries *series) const
{
return m_seriesDomainMap.value(series);
}
void ChartDataSet::scrollDomain(qreal dx,qreal dy,const QSizeF& size)
{
blockAxisSignals(true);
QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
while (i.hasNext()) {
i.next();
i.value()->move(dx,dy,size);
}
blockAxisSignals(false);
}
QList<QAbstractSeries*> ChartDataSet::series() const
{
return m_seriesDomainMap.keys();
}
void ChartDataSet::updateSeries(QAbstractSeries *series)
{
emit seriesUpdated(series);
}
#include "moc_chartdataset_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE