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Fix label angle setting for axis before axis is added to chart....
Fix label angle setting for axis before axis is added to chart. Since slots are obviously not connected before ChartAxis item is created, setting label angle before this is lost unless set in the constructor.

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r2408:f065af9daaed
r2410:47bf654423ee
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chartdataset.cpp
530 lines | 14.1 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 "chartpresenter_p.h"
#include "qchart.h"
#include "qchart_p.h"
#include "qvalueaxis.h"
#include "qbarcategoryaxis.h"
#include "qvalueaxis_p.h"
#include "qcategoryaxis.h"
#include "qabstractseries_p.h"
#include "qabstractbarseries.h"
#include "qstackedbarseries.h"
#include "qpercentbarseries.h"
#include "qpieseries.h"
#include "chartitem_p.h"
#include "xydomain_p.h"
#include "xlogydomain_p.h"
#include "logxydomain_p.h"
#include "logxlogydomain_p.h"
#ifndef QT_ON_ARM
#include "qdatetimeaxis.h"
#endif
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ChartDataSet::ChartDataSet(QChart *chart)
: QObject(chart),
m_chart(chart)
{
}
ChartDataSet::~ChartDataSet()
{
deleteAllSeries();
deleteAllAxes();
}
/*
* This method adds series to chartdataset, series ownership is taken from caller.
*/
void ChartDataSet::addSeries(QAbstractSeries *series)
{
if (m_seriesList.contains(series)) {
qWarning() << QObject::tr("Can not add series. Series already on the chart.");
return;
}
series->d_ptr->initializeDomain();
m_seriesList.append(series);
series->setParent(this); // take ownership
series->d_ptr->m_chart = m_chart;
emit seriesAdded(series);
}
/*
* This method adds axis to chartdataset, axis ownership is taken from caller.
*/
void ChartDataSet::addAxis(QAbstractAxis *axis,Qt::Alignment aligment)
{
if (m_axisList.contains(axis)) {
qWarning() << QObject::tr("Can not add axis. Axis already on the chart.");
return;
}
axis->d_ptr->setAlignment(aligment);
if(!axis->alignment()) {
qWarning()<< QObject::tr("No alignment specified !");
return;
};
QSharedPointer<AbstractDomain> domain(new XYDomain());
axis->d_ptr->initializeDomain(domain.data());
axis->setParent(this);
axis->d_ptr->m_chart = m_chart;
m_axisList.append(axis);
emit axisAdded(axis);
}
/*
* This method removes series form chartdataset, series ownership is passed back to caller.
*/
void ChartDataSet::removeSeries(QAbstractSeries *series)
{
if (! m_seriesList.contains(series)) {
qWarning() << QObject::tr("Can not remove series. Series not found on the chart.");
return;
}
QList<QAbstractAxis*> axes = series->d_ptr->m_axes;
foreach(QAbstractAxis* axis, axes) {
detachAxis(series,axis);
}
emit seriesRemoved(series);
m_seriesList.removeAll(series);
series->setParent(0);
series->d_ptr->m_chart = 0;
}
/*
* This method removes axis form chartdataset, series ownership is passed back to caller.
*/
void ChartDataSet::removeAxis(QAbstractAxis *axis)
{
if (! m_axisList.contains(axis)) {
qWarning() << QObject::tr("Can not remove axis. Axis not found on the chart.");
return;
}
QList<QAbstractSeries*> series = axis->d_ptr->m_series;
foreach(QAbstractSeries* s, series) {
detachAxis(s,axis);
}
emit axisRemoved(axis);
m_axisList.removeAll(axis);
axis->setParent(0);
axis->d_ptr->m_chart = 0;
}
/*
* This method attaches axis to series, return true if success.
*/
bool ChartDataSet::attachAxis(QAbstractSeries* series,QAbstractAxis *axis)
{
Q_ASSERT(series);
Q_ASSERT(axis);
QList<QAbstractSeries* > attachedSeriesList = axis->d_ptr->m_series;
QList<QAbstractAxis* > attachedAxisList = series->d_ptr->m_axes;
if (!m_seriesList.contains(series)) {
qWarning() << QObject::tr("Can not find series on the chart.");
return false;
}
if (axis && !m_axisList.contains(axis)) {
qWarning() << QObject::tr("Can not find axis on the chart.");
return false;
}
if (attachedAxisList.contains(axis)) {
qWarning() << QObject::tr("Axis already attached to series.");
return false;
}
if (attachedSeriesList.contains(series)) {
qWarning() << QObject::tr("Axis already attached to series.");
return false;
}
AbstractDomain* domain = series->d_ptr->domain();
AbstractDomain::DomainType type = selectDomain(attachedAxisList<<axis);
if(type == AbstractDomain::UndefinedDomain) return false;
if(domain->type()!=type){
AbstractDomain *old = domain;
domain = createDomain(type);
domain->setRange(old->minX(), old->maxX(), old->minY(), old->maxY());
}
if(!domain) return false;
if(!domain->attachAxis(axis)) return false;
if(domain!=series->d_ptr->domain()){
foreach(QAbstractAxis* axis,series->d_ptr->m_axes){
series->d_ptr->domain()->detachAxis(axis);
domain->attachAxis(axis);
}
series->d_ptr->setDomain(domain);
series->d_ptr->initializeDomain();
}
series->d_ptr->m_axes<<axis;
axis->d_ptr->m_series<<series;
series->d_ptr->initializeAxes();
axis->d_ptr->initializeDomain(domain);
return true;
}
/*
* This method detaches axis to series, return true if success.
*/
bool ChartDataSet::detachAxis(QAbstractSeries* series,QAbstractAxis *axis)
{
Q_ASSERT(series);
Q_ASSERT(axis);
QList<QAbstractSeries* > attachedSeriesList = axis->d_ptr->m_series;
QList<QAbstractAxis* > attachedAxisList = series->d_ptr->m_axes;
AbstractDomain* domain = series->d_ptr->domain();
if (!m_seriesList.contains(series)) {
qWarning() << QObject::tr("Can not find series on the chart.");
return false;
}
if (axis && !m_axisList.contains(axis)) {
qWarning() << QObject::tr("Can not find axis on the chart.");
return false;
}
if (!attachedAxisList.contains(axis)) {
qWarning() << QObject::tr("Axis not attached to series.");
return false;
}
Q_ASSERT(axis->d_ptr->m_series.contains(series));
domain->detachAxis(axis);
series->d_ptr->m_axes.removeAll(axis);
axis->d_ptr->m_series.removeAll(series);
return true;
}
void ChartDataSet::createDefaultAxes()
{
if (m_seriesList.isEmpty())
return;
QAbstractAxis::AxisTypes typeX(0);
QAbstractAxis::AxisTypes typeY(0);
// Remove possibly existing axes
deleteAllAxes();
Q_ASSERT(m_axisList.isEmpty());
// Select the required axis x and axis y types based on the types of the current series
foreach(QAbstractSeries* s, m_seriesList) {
typeX |= s->d_ptr->defaultAxisType(Qt::Horizontal);
typeY |= s->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)
{
QAbstractAxis *axis = 0;
//decide what axis should be created
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;
#ifndef Q_WS_QWS
case QAbstractAxis::AxisTypeDateTime:
axis = new QDateTimeAxis(this);
break;
#endif
default:
axis = 0;
break;
}
if (axis) {
//create one axis for all
addAxis(axis,orientation==Qt::Horizontal?Qt::AlignBottom:Qt::AlignLeft);
qreal min = 0;
qreal max = 0;
findMinMaxForSeries(m_seriesList,orientation,min,max);
foreach(QAbstractSeries *s, m_seriesList) {
attachAxis(s,axis);
}
axis->setRange(min,max);
}
else if (!type.testFlag(QAbstractAxis::AxisTypeNoAxis)) {
//create separate axis
foreach(QAbstractSeries *s, m_seriesList) {
QAbstractAxis *axis = s->d_ptr->createDefaultAxis(orientation);
if(axis) {
addAxis(axis,orientation==Qt::Horizontal?Qt::AlignBottom:Qt::AlignLeft);
attachAxis(s,axis);
}
}
}
}
void ChartDataSet::findMinMaxForSeries(QList<QAbstractSeries *> series,Qt::Orientations orientation, qreal &min, qreal &max)
{
Q_ASSERT(!series.isEmpty());
AbstractDomain* domain = series.first()->d_ptr->domain();
min = (orientation == Qt::Vertical) ? domain->minY() : domain->minX();
max = (orientation == Qt::Vertical) ? domain->maxY() : domain->maxX();
for(int i = 1; i< series.size(); i++) {
AbstractDomain* domain = series[i]->d_ptr->domain();
min = qMin((orientation == Qt::Vertical) ? domain->minY() : domain->minX(), min);
max = qMax((orientation == Qt::Vertical) ? domain->maxY() : domain->maxX(), max);
}
}
void ChartDataSet::deleteAllSeries()
{
foreach (QAbstractSeries *s , m_seriesList){
removeSeries(s);
s->deleteLater();
}
Q_ASSERT(m_seriesList.count() == 0);
}
void ChartDataSet::deleteAllAxes()
{
foreach (QAbstractAxis *a , m_axisList){
removeAxis(a);
a->deleteLater();
}
Q_ASSERT(m_axisList.count() == 0);
}
void ChartDataSet::zoomInDomain(const QRectF &rect)
{
QList<AbstractDomain*> domains;
foreach(QAbstractSeries *s, m_seriesList) {
AbstractDomain* domain = s->d_ptr->domain();
s->d_ptr->m_domain->blockRangeSignals(true);
domains<<domain;
}
foreach(AbstractDomain *domain, domains)
domain->zoomIn(rect);
foreach(AbstractDomain *domain, domains)
domain->blockRangeSignals(false);
}
void ChartDataSet::zoomOutDomain(const QRectF &rect)
{
QList<AbstractDomain*> domains;
foreach(QAbstractSeries *s, m_seriesList) {
AbstractDomain* domain = s->d_ptr->domain();
s->d_ptr->m_domain->blockRangeSignals(true);
domains<<domain;
}
foreach(AbstractDomain *domain, domains)
domain->zoomOut(rect);
foreach(AbstractDomain *domain, domains)
domain->blockRangeSignals(false);
}
void ChartDataSet::scrollDomain(qreal dx, qreal dy)
{
QList<AbstractDomain*> domains;
foreach(QAbstractSeries *s, m_seriesList) {
AbstractDomain* domain = s->d_ptr->domain();
s->d_ptr->m_domain->blockRangeSignals(true);
domains<<domain;
}
foreach(AbstractDomain *domain, domains)
domain->move(dx, dy);
foreach(AbstractDomain *domain, domains)
domain->blockRangeSignals(false);
}
QPointF ChartDataSet::mapToValue(const QPointF &position, QAbstractSeries *series)
{
QPointF point;
if (series == 0 && !m_seriesList.isEmpty())
series = m_seriesList.first();
if (series && series->type() == QAbstractSeries::SeriesTypePie)
return point;
if (series && m_seriesList.contains(series))
point = series->d_ptr->m_domain->calculateDomainPoint(position - m_chart->plotArea().topLeft());
return point;
}
QPointF ChartDataSet::mapToPosition(const QPointF &value, QAbstractSeries *series)
{
QPointF point = m_chart->plotArea().topLeft();
if (series == 0 && !m_seriesList.isEmpty())
series = m_seriesList.first();
if (series && series->type() == QAbstractSeries::SeriesTypePie)
return QPoint(0, 0);
bool ok;
if (series && m_seriesList.contains(series))
point += series->d_ptr->m_domain->calculateGeometryPoint(value, ok);
return point;
}
QList<QAbstractAxis*> ChartDataSet::axes() const
{
return m_axisList;
}
QList<QAbstractSeries *> ChartDataSet::series() const
{
return m_seriesList;
}
AbstractDomain::DomainType ChartDataSet::selectDomain(QList<QAbstractAxis*> axes)
{
enum Type {
Undefined = 0,
LogType = 0x1,
ValueType = 0x2
};
int horizontal(Undefined);
int vertical(Undefined);
foreach(QAbstractAxis* axis, axes)
{
switch(axis->type()) {
case QAbstractAxis::AxisTypeLogValue:
if(axis->orientation()==Qt::Horizontal) {
horizontal|=LogType;
}
if(axis->orientation()==Qt::Vertical) {
vertical|=LogType;
}
break;
case QAbstractAxis::AxisTypeValue:
case QAbstractAxis::AxisTypeBarCategory:
case QAbstractAxis::AxisTypeCategory:
case QAbstractAxis::AxisTypeDateTime:
if(axis->orientation()==Qt::Horizontal) {
horizontal|=ValueType;
}
if(axis->orientation()==Qt::Vertical) {
vertical|=ValueType;
}
break;
default:
qWarning()<<"Undefined type";
break;
}
}
if(vertical==Undefined) vertical=ValueType;
if(horizontal==Undefined) horizontal=ValueType;
if(vertical==ValueType && horizontal== ValueType) {
return AbstractDomain::XYDomain;
}
if(vertical==LogType && horizontal== ValueType) {
return AbstractDomain::XLogYDomain;
}
if(vertical==ValueType && horizontal== LogType) {
return AbstractDomain::LogXYDomain;
}
if(vertical==LogType && horizontal== LogType) {
return AbstractDomain::LogXLogYDomain;
}
return AbstractDomain::UndefinedDomain;
}
//refactor create factory
AbstractDomain* ChartDataSet::createDomain(AbstractDomain::DomainType type)
{
switch(type)
{
case AbstractDomain::LogXLogYDomain:
return new LogXLogYDomain();
case AbstractDomain::XYDomain:
return new XYDomain();
case AbstractDomain::XLogYDomain:
return new XLogYDomain();
case AbstractDomain::LogXYDomain:
return new LogXYDomain();
default:
return 0;
}
}
#include "moc_chartdataset_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE