##// END OF EJS Templates
Fix BC: QChart::setMinimumMargins and QChart::minimumMargins are in v1.1.0 so they have to stay.
Fix BC: QChart::setMinimumMargins and QChart::minimumMargins are in v1.1.0 so they have to stay.

File last commit:

r2131:730996457e67
r2272:b1616762bd1e old_master
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chartdataset.cpp
495 lines | 12.8 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 "qabstractseries_p.h"
#include "qabstractbarseries.h"
#include "qstackedbarseries.h"
#include "qpercentbarseries.h"
#include "qpieseries.h"
#ifndef QT_ON_ARM
#include "qdatetimeaxis.h"
#endif
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;
#ifndef Q_WS_QWS
case QAbstractAxis::AxisTypeDateTime:
axis = new QDateTimeAxis(this);
break;
#endif
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