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Clarified AreaSeries documentation...
Clarified AreaSeries documentation Added note about using a line series only for area series. If the same line series is added to chart and area series it will cause problems. Change-Id: Ie9fbc1f0741e139d82bd3d705b17b0369afc3dc9 Task-number: QTRD-3516 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>
Titta Heikkala - - Load All Authors

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r2782:5fbd172ba15f
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qboxplotseries.cpp
699 lines | 20.0 KiB | text/x-c | CppLexer
/ src / charts / boxplotchart / qboxplotseries.cpp
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Mika Salmela
A new box-and-whiskers series type added to charts....
 r2548 /****************************************************************************
**
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Copyright header changes...
 r2776 ** Copyright (C) 2015 The Qt Company Ltd
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 r2548 ** All rights reserved.
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Copyright header changes...
 r2776 ** For any questions to The Qt Company, please use contact form at http://qt.io
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 r2548 **
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Updated license headers...
 r2740 ** This file is part of the Qt Charts module.
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 r2548 **
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Updated license headers...
 r2740 ** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
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Copyright header changes...
 r2776 ** agreement between you and The Qt Company.
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 r2548 **
** If you have questions regarding the use of this file, please use
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 r2740 ** contact form at http://qt.io
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 r2548 **
****************************************************************************/
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Fix include syntax...
 r2714 #include <QtCharts/QBoxPlotSeries>
#include <private/qboxplotseries_p.h>
#include <QtCharts/QBoxPlotLegendMarker>
#include <QtCharts/QBarCategoryAxis>
#include <private/boxplotchartitem_p.h>
#include <private/chartdataset_p.h>
#include <private/charttheme_p.h>
#include <QtCharts/QValueAxis>
#include <private/charttheme_p.h>
#include <private/boxplotanimation_p.h>
#include <private/qchart_p.h>
#include <QtCharts/QBoxSet>
#include <private/qboxset_p.h>
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 r2712 QT_CHARTS_BEGIN_NAMESPACE
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/*!
\class QBoxPlotSeries
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 r2639 \inmodule Qt Charts
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 r2712 \brief Series for creating box-and-whiskers chart.
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 r2548
QBoxPlotSeries represents a series of data shown as box-and-whisker bars. The purpose of this class is to act as
a container for single box-and-whisker items. Each item is drawn to own slot. If chart includes multiple instances of
QBoxPlotSeries then box-and-whiskers items with the same index are drawn to same slot.
See the \l {Box and Whiskers Example} {box-and-whiskers chart example} to learn how to create a box-and-whiskers chart.
\image examples_boxplotchart.png
\sa QBoxSet
*/
/*!
\fn QBoxPlotSeries::boxsetsAdded(QList<QBoxSet *> sets)
\brief Signal is emitted when a new \a sets of box-and-whiskers data is added to the series.
*/
/*!
\fn QBoxPlotSeries::boxsetsRemoved(QList<QBoxSet *> sets)
\brief Signal is emitted when \a sets of box-and-whiskers data is removed from the series.
*/
/*!
\fn QBoxPlotSeries::clicked(QBoxSet *boxset)
\brief Signal is emitted when the user clicks the \a boxset on the chart.
*/
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 r2739 /*!
\fn QBoxPlotSeries::pressed(QBoxSet *boxset)
\brief Signal is emitted when the user presses the \a boxset on the chart.
*/
/*!
\fn QBoxPlotSeries::released(QBoxSet *boxset)
\brief Signal is emitted when the user releases the \a boxset on the chart.
*/
/*!
\fn QBoxPlotSeries::doubleClicked(QBoxSet *boxset)
\brief Signal is emitted when the user doubleclicks the \a boxset on the chart.
*/
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 r2548 /*!
\fn QBoxPlotSeries::hovered(bool status, QBoxSet *boxset)
\brief Signal is emitted when there is change in hover \a status over \a boxset.
*/
/*!
\fn QBoxPlotSeries::countChanged()
\brief Signal is emitted when there is change in count of box-and-whiskers items in the series.
*/
/*!
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 r2573 \property QBoxPlotSeries::boxOutlineVisible
\brief This property configures the visibility of the middle box outline.
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 r2548 */
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 r2584 /*!
\property QBoxPlotSeries::boxWidth
\brief This property configures the width of the box-and-whiskers item. The value signifies the relative
width of the box-and-whiskers item inside its own slot. The value can between 0.0 and 1.0. Negative values
are clamped to 0.0 and values over 1.0 are clamped to 1.0.
*/
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 r2548 /*!
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 r2573 \property QBoxPlotSeries::pen
\brief This property configures the pen of the box-and-whiskers items.
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 r2548 */
/*!
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 r2573 \property QBoxPlotSeries::brush
\brief This property configures the brush of the box-and-whiskers items.
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 r2548 */
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 r2682 /*!
\property QBoxPlotSeries::count
\brief The count of sets in series.
*/
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 r2681
/*!
\qmlproperty QString BoxPlotSeries::brushFilename
The name of the file used as a brush for the series.
*/
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 r2548 /*!
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 r2573 \fn void QBoxPlotSeries::boxOutlineVisibilityChanged()
Signal is emitted when the middle box outline visibility is changed.
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 r2548 */
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 r2584 /*!
\fn void QBoxPlotSeries::boxWidthChanged()
Signal is emitted when the width of the box-and-whiskers item is changed.
*/
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 r2548 /*!
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 r2573 \fn void QBoxPlotSeries::penChanged()
This signal is emitted when the pen of the box-and-whiskers has changed.
\sa brush
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 r2548 */
/*!
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 r2573 \fn void QBoxPlotSeries::brushChanged()
This signal is emitted when the brush of the box-and-whiskers has changed.
\sa brush
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 r2548 */
/*!
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 r2573 \fn virtual SeriesType QBoxPlotSeries::type() const
\brief Returns type of series.
\sa QAbstractSeries, SeriesType
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 r2548 */
/*!
Constructs empty QBoxPlotSeries.
QBoxPlotSeries is QObject which is a child of a \a parent.
*/
QBoxPlotSeries::QBoxPlotSeries(QObject *parent)
: QAbstractSeries(*new QBoxPlotSeriesPrivate(this), parent)
{
}
/*!
Destructor. Removes series from chart.
*/
QBoxPlotSeries::~QBoxPlotSeries()
{
Q_D(QBoxPlotSeries);
if (d->m_chart)
d->m_chart->removeSeries(this);
}
/*!
Adds a single box and whiskers set to series. Takes ownership of the \a set. If the set is null or is already in series, it won't be appended.
Returns true, if appending succeeded.
*/
bool QBoxPlotSeries::append(QBoxSet *set)
{
Q_D(QBoxPlotSeries);
bool success = d->append(set);
if (success) {
QList<QBoxSet *> sets;
sets.append(set);
set->setParent(this);
emit boxsetsAdded(sets);
emit countChanged();
}
return success;
}
/*!
Removes boxset from the series. Deletes the \a set and returns true if successful.
*/
bool QBoxPlotSeries::remove(QBoxSet *set)
{
Q_D(QBoxPlotSeries);
bool success = d->remove(set);
if (success) {
QList<QBoxSet *> sets;
sets.append(set);
set->setParent(0);
emit boxsetsRemoved(sets);
emit countChanged();
delete set;
set = 0;
}
return success;
}
/*!
Takes a single \a set from the series. Does not delete the boxset object.
NOTE: The series remains as the boxset's parent object. You must set the
parent object to take full ownership.
Returns true if take was successful.
*/
bool QBoxPlotSeries::take(QBoxSet *set)
{
Q_D(QBoxPlotSeries);
bool success = d->remove(set);
if (success) {
QList<QBoxSet *> sets;
sets.append(set);
emit boxsetsRemoved(sets);
emit countChanged();
}
return success;
}
/*!
Adds a list of boxsets to series. Takes ownership of the \a sets.
Returns true, if all sets were appended successfully. If any of the sets is null or is already appended to series,
nothing is appended and function returns false. If any of the sets is in list more than once, nothing is appended
and function returns false.
*/
bool QBoxPlotSeries::append(QList<QBoxSet *> sets)
{
Q_D(QBoxPlotSeries);
bool success = d->append(sets);
if (success) {
emit boxsetsAdded(sets);
emit countChanged();
}
return success;
}
/*!
Insert a box-and-whiskers set to the series at \a index postion. Takes ownership of the \a set. If the set is null or
is already in series, it won't be appended. Returns true, if inserting succeeded.
*/
bool QBoxPlotSeries::insert(int index, QBoxSet *set)
{
Q_D(QBoxPlotSeries);
bool success = d->insert(index, set);
if (success) {
QList<QBoxSet *> sets;
sets.append(set);
emit boxsetsAdded(sets);
emit countChanged();
}
return success;
}
/*!
Removes all boxsets from the series. Deletes removed sets.
*/
void QBoxPlotSeries::clear()
{
Q_D(QBoxPlotSeries);
QList<QBoxSet *> sets = boxSets();
bool success = d->remove(sets);
if (success) {
emit boxsetsRemoved(sets);
emit countChanged();
foreach (QBoxSet *set, sets)
delete set;
}
}
/*!
Returns number of sets in series.
*/
int QBoxPlotSeries::count() const
{
Q_D(const QBoxPlotSeries);
return d->m_boxSets.count();
}
/*!
Returns a list of sets in series. Keeps ownership of sets.
*/
QList<QBoxSet *> QBoxPlotSeries::boxSets() const
{
Q_D(const QBoxPlotSeries);
return d->m_boxSets;
}
/*
Returns QAbstractSeries::SeriesTypeBoxPlot.
*/
QAbstractSeries::SeriesType QBoxPlotSeries::type() const
{
return QAbstractSeries::SeriesTypeBoxPlot;
}
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 r2573 void QBoxPlotSeries::setBoxOutlineVisible(bool visible)
{
Q_D(QBoxPlotSeries);
if (d->m_boxOutlineVisible != visible) {
d->m_boxOutlineVisible = visible;
emit d->updated();
emit boxOutlineVisibilityChanged();
}
}
bool QBoxPlotSeries::boxOutlineVisible()
{
Q_D(QBoxPlotSeries);
return d->m_boxOutlineVisible;
}
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 r2584 void QBoxPlotSeries::setBoxWidth(qreal width)
{
Q_D(QBoxPlotSeries);
if (width != d->m_boxWidth) {
if (width < 0.0)
width = 0.0;
if (width > 1.0)
width = 1.0;
d->m_boxWidth = width;
emit d->updatedLayout();
emit boxWidthChanged();
}
}
qreal QBoxPlotSeries::boxWidth()
{
Q_D(QBoxPlotSeries);
return d->m_boxWidth;
}
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 r2548 void QBoxPlotSeries::setBrush(const QBrush &brush)
{
Q_D(QBoxPlotSeries);
if (d->m_brush != brush) {
d->m_brush = brush;
emit d->updated();
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 r2573 emit brushChanged();
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 r2548 }
}
QBrush QBoxPlotSeries::brush() const
{
Q_D(const QBoxPlotSeries);
return d->m_brush;
}
void QBoxPlotSeries::setPen(const QPen &pen)
{
Q_D(QBoxPlotSeries);
if (d->m_pen != pen) {
d->m_pen = pen;
emit d->updated();
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 r2573 emit penChanged();
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 r2548 }
}
QPen QBoxPlotSeries::pen() const
{
Q_D(const QBoxPlotSeries);
return d->m_pen;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
QBoxPlotSeriesPrivate::QBoxPlotSeriesPrivate(QBoxPlotSeries *q)
: QAbstractSeriesPrivate(q),
m_pen(QChartPrivate::defaultPen()),
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 r2573 m_brush(QChartPrivate::defaultBrush()),
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Property to control box width...
 r2584 m_boxOutlineVisible(true),
m_boxWidth(0.5)
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 r2548 {
}
QBoxPlotSeriesPrivate::~QBoxPlotSeriesPrivate()
{
disconnect(this, 0, 0, 0);
}
void QBoxPlotSeriesPrivate::initializeDomain()
{
qreal minX(domain()->minX());
qreal minY(domain()->minY());
qreal maxX(domain()->maxX());
qreal maxY(domain()->maxY());
qreal x = m_boxSets.count();
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 r2554 minX = qMin(minX, qreal(-0.5));
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 r2548 minY = qMin(minY, min());
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 r2554 maxX = qMax(maxX, x - qreal(0.5));
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 r2548 maxY = qMax(maxY, max());
domain()->setRange(minX, maxX, minY, maxY);
}
void QBoxPlotSeriesPrivate::initializeAxes()
{
foreach (QAbstractAxis* axis, m_axes) {
if (axis->type() == QAbstractAxis::AxisTypeBarCategory) {
if (axis->orientation() == Qt::Horizontal)
populateCategories(qobject_cast<QBarCategoryAxis *>(axis));
}
}
}
QAbstractAxis::AxisType QBoxPlotSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
{
if (orientation == Qt::Horizontal)
return QAbstractAxis::AxisTypeBarCategory;
return QAbstractAxis::AxisTypeValue;
}
QAbstractAxis* QBoxPlotSeriesPrivate::createDefaultAxis(Qt::Orientation orientation) const
{
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 r2614 if (defaultAxisType(orientation) == QAbstractAxis::AxisTypeBarCategory)
return new QBarCategoryAxis;
else
return new QValueAxis;
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 r2548 }
void QBoxPlotSeriesPrivate::populateCategories(QBarCategoryAxis *axis)
{
QStringList categories;
if (axis->categories().isEmpty()) {
for (int i(1); i < m_boxSets.count() + 1; i++) {
QBoxSet *set = m_boxSets.at(i - 1);
if (set->label().isEmpty())
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 r2709 categories << presenter()->numberToString(i);
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 r2548 else
categories << set->label();
}
axis->append(categories);
}
}
void QBoxPlotSeriesPrivate::initializeGraphics(QGraphicsItem *parent)
{
Q_Q(QBoxPlotSeries);
BoxPlotChartItem *boxPlot = new BoxPlotChartItem(q, parent);
m_item.reset(boxPlot);
QAbstractSeriesPrivate::initializeGraphics(parent);
if (m_chart) {
connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesAdded(QAbstractSeries*)), this, SLOT(handleSeriesChange(QAbstractSeries*)) );
connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesRemoved(QAbstractSeries*)), this, SLOT(handleSeriesRemove(QAbstractSeries*)) );
QList<QAbstractSeries *> serieses = m_chart->series();
// Tries to find this series from the Chart's list of series and deduce the index
int index = 0;
foreach (QAbstractSeries *s, serieses) {
if (s->type() == QAbstractSeries::SeriesTypeBoxPlot) {
if (q == static_cast<QBoxPlotSeries *>(s)) {
boxPlot->m_seriesIndex = index;
m_index = index;
}
index++;
}
}
boxPlot->m_seriesCount = index;
}
// Make BoxPlotChartItem to instantiate box & whisker items
boxPlot->handleDataStructureChanged();
}
void QBoxPlotSeriesPrivate::initializeTheme(int index, ChartTheme* theme, bool forced)
{
Q_Q(QBoxPlotSeries);
const QList<QGradient> gradients = theme->seriesGradients();
if (forced || QChartPrivate::defaultBrush() == m_brush) {
QColor brushColor = ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 0.5);
q->setBrush(brushColor);
}
if (forced || QChartPrivate::defaultPen() == m_pen) {
QPen pen = theme->outlinePen();
pen.setCosmetic(true);
q->setPen(pen);
}
}
void QBoxPlotSeriesPrivate::initializeAnimations(QChart::AnimationOptions options)
{
BoxPlotChartItem *item = static_cast<BoxPlotChartItem *>(m_item.data());
Q_ASSERT(item);
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Fix resetting animation options mid-animation....
 r2555 if (item->animation())
item->animation()->stopAndDestroyLater();
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 r2548 if (options.testFlag(QChart::SeriesAnimations))
Miikka Heikkinen
Fix box-and-whiskers animations...
 r2560 m_animation = new BoxPlotAnimation(item);
Mika Salmela
A new box-and-whiskers series type added to charts....
 r2548 else
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 r2560 m_animation = 0;
item->setAnimation(m_animation);
Mika Salmela
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 r2548 QAbstractSeriesPrivate::initializeAnimations(options);
}
QList<QLegendMarker*> QBoxPlotSeriesPrivate::createLegendMarkers(QLegend *legend)
{
Q_Q(QBoxPlotSeries);
QList<QLegendMarker *> list;
return list << new QBoxPlotLegendMarker(q, legend);
}
void QBoxPlotSeriesPrivate::handleSeriesRemove(QAbstractSeries *series)
{
Q_Q(QBoxPlotSeries);
QBoxPlotSeries *removedSeries = static_cast<QBoxPlotSeries *>(series);
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 r2560
if (q == removedSeries && m_animation) {
m_animation->stopAll();
QObject::disconnect(m_chart->d_ptr->m_dataset, 0, removedSeries->d_func(), 0);
}
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 r2548
// Test if series removed is me, then don't do anything
if (q != removedSeries) {
BoxPlotChartItem *item = static_cast<BoxPlotChartItem *>(m_item.data());
if (item) {
item->m_seriesCount = item->m_seriesCount - 1;
if (removedSeries->d_func()->m_index < m_index) {
m_index--;
item->m_seriesIndex = m_index;
}
item->handleDataStructureChanged();
}
}
}
void QBoxPlotSeriesPrivate::handleSeriesChange(QAbstractSeries *series)
{
Q_UNUSED(series);
Q_Q(QBoxPlotSeries);
BoxPlotChartItem *boxPlot = static_cast<BoxPlotChartItem *>(m_item.data());
if (m_chart) {
QList<QAbstractSeries *> serieses = m_chart->series();
// Tries to find this series from the Chart's list of series and deduce the index
int index = 0;
foreach (QAbstractSeries *s, serieses) {
if (s->type() == QAbstractSeries::SeriesTypeBoxPlot) {
if (q == static_cast<QBoxPlotSeries *>(s)) {
boxPlot->m_seriesIndex = index;
m_index = index;
}
index++;
}
}
boxPlot->m_seriesCount = index;
}
boxPlot->handleDataStructureChanged();
}
bool QBoxPlotSeriesPrivate::append(QBoxSet *set)
{
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Further crash fixes to boxplot...
 r2561 if (m_boxSets.contains(set) || (set == 0) || set->d_ptr->m_series)
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 r2548 return false; // Fail if set is already in list or set is null.
m_boxSets.append(set);
QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
QObject::connect(set->d_ptr.data(), SIGNAL(updatedBox()), this, SIGNAL(updatedBoxes()));
QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBox()), this, SIGNAL(restructuredBoxes()));
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 r2561 set->d_ptr->m_series = this;
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 r2548
emit restructuredBoxes(); // this notifies boxplotchartitem
return true;
}
bool QBoxPlotSeriesPrivate::remove(QBoxSet *set)
{
if (!m_boxSets.contains(set))
return false; // Fail if set is not in list
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Further crash fixes to boxplot...
 r2561 set->d_ptr->m_series = 0;
Mika Salmela
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 r2548 m_boxSets.removeOne(set);
QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBox()), this, SIGNAL(updatedBoxes()));
QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBox()), this, SIGNAL(restructuredBoxes()));
emit restructuredBoxes(); // this notifies boxplotchartitem
return true;
}
bool QBoxPlotSeriesPrivate::append(QList<QBoxSet *> sets)
{
foreach (QBoxSet *set, sets) {
Miikka Heikkinen
Further crash fixes to boxplot...
 r2561 if ((set == 0) || m_boxSets.contains(set) || set->d_ptr->m_series)
Mika Salmela
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 r2548 return false; // Fail if any of the sets is null or is already appended.
if (sets.count(set) != 1)
return false; // Also fail if same set is more than once in given list.
}
foreach (QBoxSet *set, sets) {
m_boxSets.append(set);
QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
QObject::connect(set->d_ptr.data(), SIGNAL(updatedBox()), this, SIGNAL(updatedBoxes()));
QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBox()), this, SIGNAL(restructuredBoxes()));
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Further crash fixes to boxplot...
 r2561 set->d_ptr->m_series = this;
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 r2548 }
emit restructuredBoxes(); // this notifies boxplotchartitem
return true;
}
bool QBoxPlotSeriesPrivate::remove(QList<QBoxSet *> sets)
{
if (sets.count() == 0)
return false;
foreach (QBoxSet *set, sets) {
if ((set == 0) || (!m_boxSets.contains(set)))
return false; // Fail if any of the sets is null or is not in series
if (sets.count(set) != 1)
return false; // Also fail if same set is more than once in given list.
}
foreach (QBoxSet *set, sets) {
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Further crash fixes to boxplot...
 r2561 set->d_ptr->m_series = 0;
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 r2548 m_boxSets.removeOne(set);
QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBox()), this, SIGNAL(updatedBoxes()));
QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBox()), this, SIGNAL(restructuredBoxes()));
}
emit restructuredBoxes(); // this notifies boxplotchartitem
return true;
}
bool QBoxPlotSeriesPrivate::insert(int index, QBoxSet *set)
{
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Further crash fixes to boxplot...
 r2561 if ((m_boxSets.contains(set)) || (set == 0) || set->d_ptr->m_series)
Mika Salmela
A new box-and-whiskers series type added to charts....
 r2548 return false; // Fail if set is already in list or set is null.
m_boxSets.insert(index, set);
Miikka Heikkinen
Further crash fixes to boxplot...
 r2561 set->d_ptr->m_series = this;
Mika Salmela
A new box-and-whiskers series type added to charts....
 r2548 QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
QObject::connect(set->d_ptr.data(), SIGNAL(updatedBox()), this, SIGNAL(updatedBoxes()));
QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBox()), this, SIGNAL(restructuredBoxes()));
emit restructuredBoxes(); // this notifies boxplotchartitem
return true;
}
QBoxSet *QBoxPlotSeriesPrivate::boxSetAt(int index)
{
return m_boxSets.at(index);
}
qreal QBoxPlotSeriesPrivate::min()
{
if (m_boxSets.count() <= 0)
return 0;
qreal min = m_boxSets.at(0)->at(0);
foreach (QBoxSet *set, m_boxSets) {
for (int i = 0; i < 5; i++) {
if (set->at(i) < min)
min = set->at(i);
}
}
return min;
}
qreal QBoxPlotSeriesPrivate::max()
{
if (m_boxSets.count() <= 0)
return 0;
qreal max = m_boxSets.at(0)->at(0);
foreach (QBoxSet *set, m_boxSets) {
for (int i = 0; i < 5; i++) {
if (set->at(i) > max)
max = set->at(i);
}
}
return max;
}
#include "moc_qboxplotseries.cpp"
#include "moc_qboxplotseries_p.cpp"
Titta Heikkala
Qt Charts project file structure change...
 r2712 QT_CHARTS_END_NAMESPACE
Mika Salmela
A new box-and-whiskers series type added to charts....
 r2548