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qboxset.cpp
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/ src / charts / boxplotchart / qboxset.cpp
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Miikka Heikkinen
Updated license...
 r2854 /****************************************************************************
Mika Salmela
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 r2548 **
Miikka Heikkinen
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 r2854 ** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
Mika Salmela
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 r2854 ** This file is part of the Qt Charts module of the Qt Toolkit.
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 r2854 ** $QT_BEGIN_LICENSE:GPL$
Titta Heikkala
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 r2845 ** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
Miikka Heikkinen
Updated license...
 r2854 ** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
Mika Salmela
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 r2845 ** $QT_END_LICENSE$
**
Miikka Heikkinen
Updated license...
 r2854 ****************************************************************************/
Mika Salmela
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Titta Heikkala
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 r2714 #include <QtCharts/QBoxSet>
#include <private/qboxset_p.h>
#include <private/charthelpers_p.h>
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 r2712 QT_CHARTS_BEGIN_NAMESPACE
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/*!
\class QBoxSet
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 r2639 \inmodule Qt Charts
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 r2712 \brief Building block for box-and-whiskers chart.
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QBoxSet represents one box-and-whiskers item. It takes five values to create a graphical representation
of range and three medians. There are two ways to give the values. The first one is with constructor
or stream operator (<<). The values have to be given in the following order: lower extreme,
lower quartile, median, upper quartile and upper extreme. The Second method is to create an empty QBoxSet instance and
give the values using setValue method.
\sa QBoxPlotSeries
*/
/*!
\enum QBoxSet::ValuePositions
\value LowerExtreme
\value LowerQuartile
\value Median
\value UpperQuartile
\value UpperExtreme
*/
/*!
\property QBoxSet::pen
\brief Defines the pen used by the box-and-whiskers set.
*/
/*!
\property QBoxSet::brush
\brief Defines the brush used by the box-and-whiskers set.
*/
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/*!
\qmlproperty QString BoxSet::brushFilename
The name of the file used as a brush for the box-and-whiskers set.
*/
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 r2548 /*!
\fn void QBoxSet::clicked()
The signal is emitted if the user clicks with a mouse on top of box-and-whisker item.
*/
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/*!
\fn void QBoxSet::pressed()
The signal is emitted if the user presses with a mouse on top of box-and-whisker item.
*/
/*!
\fn void QBoxSet::released()
The signal is emitted if the user releases with a mouse on top of box-and-whisker item.
*/
/*!
\fn void QBoxSet::doubleClicked()
The signal is emitted if the user doubleclicks with a mouse on top of box-and-whisker item.
*/
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 r2548 /*!
\fn void QBoxSet::hovered(bool status)
The signal is emitted if mouse is hovered on top of box-and-whisker item.
Parameter \a status is true, if mouse entered on top of item, false if mouse left from top of item.
*/
/*!
\fn void QBoxSet::penChanged()
This signal is emitted when the pen of the box-and-whisker item has changed.
\sa pen
*/
/*!
\fn void QBoxSet::brushChanged()
This signal is emitted when the brush of the box-and-whisker item has changed.
\sa brush
*/
/*!
\fn void QBoxSet::valuesChanged()
This signal is emitted when multiple values have been changed on the box-and-whisker item.
\sa append()
*/
/*!
\fn void QBoxSet::valueChanged(int index)
This signal is emitted values the value in the box-and-whisker item has been modified.
Parameter \a index indicates the position of the modified value.
\sa at()
*/
/*!
\fn void QBoxSet::cleared()
This signal is emitted when all the values on the set are cleared to 0.
*/
/*!
Constructs QBoxSet with optional \a label and parent of \a parent
*/
QBoxSet::QBoxSet(const QString label, QObject *parent)
: QObject(parent),
d_ptr(new QBoxSetPrivate(label, this))
{
}
/*!
Constructs QBoxSet with given ordered values. \a le for lower extreme, \a lq for lower quartile, \a m for median,
\a uq for upper quartile and \a ue for upper quartile. \a label and \a parent are optional.
*/
QBoxSet::QBoxSet(const qreal le, const qreal lq, const qreal m, const qreal uq, const qreal ue, const QString label, QObject *parent)
: QObject(parent),
d_ptr(new QBoxSetPrivate(label, this))
{
d_ptr->append(le);
d_ptr->append(lq);
d_ptr->append(m);
d_ptr->append(uq);
d_ptr->append(ue);
}
/*!
Destroys the boxset
*/
QBoxSet::~QBoxSet()
{
}
/*!
Appends new value \a value to the end of set.
*/
void QBoxSet::append(const qreal value)
{
if (d_ptr->append(value))
emit valueChanged(d_ptr->m_appendCount - 1);
}
/*!
Appends a list of reals to set. Works like append with single real value. The \a values in list
are appended to end of boxset.
\sa append()
*/
void QBoxSet::append(const QList<qreal> &values)
{
if (d_ptr->append(values))
emit valuesChanged();
}
/*!
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 r2812 Sets new \a label for the category of the set.
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 r2548 */
void QBoxSet::setLabel(const QString label)
{
d_ptr->m_label = label;
}
/*!
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 r2812 Returns the label of the the category of the set.
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 r2548 */
QString QBoxSet::label() const
{
return d_ptr->m_label;
}
/*!
Convenience operator. Same as append, with real \a value.
\sa append()
*/
QBoxSet &QBoxSet::operator << (const qreal &value)
{
append(value);
return *this;
}
/*!
Sets a new \a value on the \a index position. For \a index ValuePositions can be used.
*/
void QBoxSet::setValue(const int index, const qreal value)
{
d_ptr->setValue(index, value);
emit valueChanged(index);
}
/*!
Sets all values on the set to 0.
*/
void QBoxSet::clear()
{
d_ptr->clear();
emit cleared();
}
/*!
Returns value of set indexed by \a index. For \a index ValuePositions can be used.
If the index is out of bounds 0.0 is returned.
*/
qreal QBoxSet::at(const int index) const
{
if (index < 0 || index >= 5)
return 0;
return d_ptr->m_values[index];
}
/*!
Returns value of set indexed by \a index. For \a index ValuePositions can be used.
If the index is out of bounds 0.0 is returned.
*/
qreal QBoxSet::operator [](const int index) const
{
return at(index);
}
/*!
Returns count of values appended to the set.
*/
int QBoxSet::count() const
{
return d_ptr->m_appendCount;
}
/*!
Sets pen for set. Boxes of this set are drawn using \a pen
*/
void QBoxSet::setPen(const QPen &pen)
{
if (d_ptr->m_pen != pen) {
d_ptr->m_pen = pen;
emit d_ptr->updatedBox();
emit penChanged();
}
}
/*!
Returns pen of the set.
*/
QPen QBoxSet::pen() const
{
return d_ptr->m_pen;
}
/*!
Sets brush for the set. Boxes of this set are drawn using \a brush
*/
void QBoxSet::setBrush(const QBrush &brush)
{
if (d_ptr->m_brush != brush) {
d_ptr->m_brush = brush;
emit d_ptr->updatedBox();
emit brushChanged();
}
}
/*!
Returns brush of the set.
*/
QBrush QBoxSet::brush() const
{
return d_ptr->m_brush;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
QBoxSetPrivate::QBoxSetPrivate(const QString label, QBoxSet *parent) : QObject(parent),
q_ptr(parent),
m_label(label),
m_valuesCount(5),
m_appendCount(0),
m_pen(QPen(Qt::NoPen)),
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m_series(0)
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m_values = new qreal[m_valuesCount];
}
QBoxSetPrivate::~QBoxSetPrivate()
{
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 r2733 delete[] m_values;
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 r2548 }
bool QBoxSetPrivate::append(qreal value)
{
if (isValidValue(value) && m_appendCount < m_valuesCount) {
m_values[m_appendCount++] = value;
emit restructuredBox();
return true;
}
return false;
}
bool QBoxSetPrivate::append(QList<qreal> values)
{
bool success = false;
for (int i = 0; i < values.count(); i++) {
if (isValidValue(values.at(i)) && m_appendCount < m_valuesCount) {
success = true;
m_values[m_appendCount++] = values.at(i);
}
}
if (success)
emit restructuredBox();
return success;
}
void QBoxSetPrivate::clear()
{
m_appendCount = 0;
for (int i = 0; i < m_valuesCount; i++)
m_values[i] = 0.0;
emit restructuredBox();
}
void QBoxSetPrivate::setValue(const int index, const qreal value)
{
if (index < m_valuesCount) {
m_values[index] = value;
emit updatedLayout();
}
}
qreal QBoxSetPrivate::value(const int index)
{
if (index < 0 || index >= m_valuesCount)
return 0;
return m_values[index];
}
#include "moc_qboxset.cpp"
#include "moc_qboxset_p.cpp"
Titta Heikkala
Qt Charts project file structure change...
 r2712 QT_CHARTS_END_NAMESPACE