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Selectable outlines for box...
Selectable outlines for box Change-Id: Ic31fa26f914baaa6c26f52c73ca4328ec7523581 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Mika Salmela - - Load All Authors

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r2573:3880b19e7795
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qboxplotseries.cpp
647 lines | 18.3 KiB | text/x-c | CppLexer
/ src / boxplotchart / qboxplotseries.cpp
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Mika Salmela
A new box-and-whiskers series type added to charts....
 r2548 /****************************************************************************
**
** Copyright (C) 2013 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 "qboxplotseries.h"
#include "qboxplotseries_p.h"
#include "qboxplotlegendmarker.h"
#include "qbarcategoryaxis.h"
#include "boxplotchartitem_p.h"
#include "chartdataset_p.h"
#include "charttheme_p.h"
#include "qvalueaxis.h"
#include "charttheme_p.h"
#include "boxplotanimation_p.h"
#include "qchart_p.h"
#include "qboxset.h"
#include "qboxset_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
/*!
\class QBoxPlotSeries
\brief Series for creating box-and-whiskers chart
\mainclass
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.
*/
/*!
\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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 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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 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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 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
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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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 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()),
m_boxOutlineVisible(true)
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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
{
Q_UNUSED(orientation);
return 0;
}
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())
categories << QString::number(i);
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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 r2555 if (item->animation())
item->animation()->stopAndDestroyLater();
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 r2548 if (options.testFlag(QChart::SeriesAnimations))
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 r2560 m_animation = new BoxPlotAnimation(item);
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 r2548 else
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 r2560 m_animation = 0;
item->setAnimation(m_animation);
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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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 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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 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::append(QList<QBoxSet *> sets)
{
foreach (QBoxSet *set, sets) {
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 r2561 if ((set == 0) || m_boxSets.contains(set) || set->d_ptr->m_series)
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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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 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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 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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 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.insert(index, set);
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 r2561 set->d_ptr->m_series = this;
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 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"
QTCOMMERCIALCHART_END_NAMESPACE