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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qboxplotseries.h"
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#include "qboxplotseries_p.h"
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#include "qboxplotlegendmarker.h"
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#include "qbarcategoryaxis.h"
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#include "boxplotchartitem_p.h"
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#include "chartdataset_p.h"
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#include "charttheme_p.h"
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#include "qvalueaxis.h"
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#include "charttheme_p.h"
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#include "boxplotanimation_p.h"
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#include "qchart_p.h"
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#include "qboxset.h"
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#include "qboxset_p.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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/*!
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\class QBoxPlotSeries
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\brief Series for creating box-and-whiskers chart
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\mainclass
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QBoxPlotSeries represents a series of data shown as box-and-whisker bars. The purpose of this class is to act as
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a container for single box-and-whisker items. Each item is drawn to own slot. If chart includes multiple instances of
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QBoxPlotSeries then box-and-whiskers items with the same index are drawn to same slot.
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See the \l {Box and Whiskers Example} {box-and-whiskers chart example} to learn how to create a box-and-whiskers chart.
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\image examples_boxplotchart.png
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\sa QBoxSet
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*/
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/*!
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\qmlclass BoxPlotSeries QBoxPlotSeries
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\inherits QAbstractSeries
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BoxPlotSeries represents a series of data shown as box-and-whisker bars. The purpose of this class is to act as
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a container for single box-and-whisker items. Each item is drawn to own slot. If chart includes multiple instances of
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BoxPlotSeries then box-and-whiskers items with the same index are drawn to same slot.
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The following QML shows how to create a simple box-and-whiskers chart:
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\code
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import QtQuick 1.0
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import QtCommercial.Chart 1.1
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ChartView {
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title: "Box Plot series"
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width: 400
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height: 300
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theme: ChartView.ChartThemeBrownSand
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legend.alignment: Qt.AlignBottom
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BoxPlotSeries {
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id: plotSeries
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name: "Income"
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BoxSet { label: "Jan"; values: [3, 4, 5.1, 6.2, 8.5] }
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BoxSet { label: "Feb"; values: [5, 6, 7.5, 8.6, 11.8] }
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BoxSet { label: "Mar"; values: [3.2, 5, 5.7, 8, 9.2] }
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BoxSet { label: "Apr"; values: [3.8, 5, 6.4, 7, 8] }
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BoxSet { label: "May"; values: [4, 5, 5.2, 6, 7] }
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}
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}
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\endcode
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\beginfloatleft
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\image examples_qmlboxplot.png
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\endfloat
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\clearfloat
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*/
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/*!
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\fn QBoxPlotSeries::boxsetsAdded(QList<QBoxSet *> sets)
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\brief Signal is emitted when a new \a sets of box-and-whiskers data is added to the series.
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*/
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/*!
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\fn QBoxPlotSeries::boxsetsRemoved(QList<QBoxSet *> sets)
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\brief Signal is emitted when \a sets of box-and-whiskers data is removed from the series.
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*/
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/*!
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\fn QBoxPlotSeries::clicked(QBoxSet *boxset)
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\brief Signal is emitted when the user clicks the \a boxset on the chart.
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*/
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/*!
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\fn QBoxPlotSeries::hovered(bool status, QBoxSet *boxset)
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\brief Signal is emitted when there is change in hover \a status over \a boxset.
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*/
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/*!
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\fn QBoxPlotSeries::countChanged()
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\brief Signal is emitted when there is change in count of box-and-whiskers items in the series.
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*/
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/*!
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\fn virtual SeriesType QBoxPlotSeries::type() const
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\brief Returns type of series.
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\sa QAbstractSeries, SeriesType
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*/
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/*!
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\qmlmethod BoxPlotSeries::append(const QString label, QVariantList values)
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Appends a new box-and-whiskers set with \a label and \a values to the series.
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*/
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/*!
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\qmlmethod BoxPlotSeries::append(BoxSet *box)
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Appends the \a box to the series.
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*/
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/*!
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\qmlmethod BoxPlotSeries::insert(int index, const QString label, QVariantList values)
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Inserts a new box-and-whiskers set with \a label and \a values at the \a index position.
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*/
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/*!
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\qmlmethod BoxPlotSeries::remove(QBoxSet *boxset)
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Removes the \a boxset from the series.
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*/
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/*!
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\qmlmethod BoxPlotSeries::clear()
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Removes all boxsets from the series. Deletes removed sets.
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*/
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/*!
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\qmlsignal BoxPlotSeries::onClicked(BoxSet boxset);
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Signal is emitted when the user clicks the \a boxset on the chart.
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*/
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/*!
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\qmlsignal BoxPlotSeries::onHovered(bool status, BoxSet boxset);
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Signal is emitted when there is change in hover \a status over \a boxset.
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*/
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/*!
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\qmlsignal BoxPlotSeries::onCountChanged();
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Signal is emitted when there is change in count of box-and-whiskers items in the series.
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*/
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/*!
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\qmlsignal BoxPlotSeries::onBoxsetsAdded()
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Signal is emitted when new box-and-whiskers sets are added to the series.
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*/
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/*!
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\qmlsignal BoxPlotSeries::boxsetsRemoved()
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Signal is emitted when new box-and-whiskers sets are removed from the series.
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*/
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/*!
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Constructs empty QBoxPlotSeries.
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QBoxPlotSeries is QObject which is a child of a \a parent.
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*/
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QBoxPlotSeries::QBoxPlotSeries(QObject *parent)
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: QAbstractSeries(*new QBoxPlotSeriesPrivate(this), parent)
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{
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}
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/*!
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Destructor. Removes series from chart.
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*/
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QBoxPlotSeries::~QBoxPlotSeries()
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{
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Q_D(QBoxPlotSeries);
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if (d->m_chart)
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d->m_chart->removeSeries(this);
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}
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/*!
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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.
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Returns true, if appending succeeded.
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*/
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bool QBoxPlotSeries::append(QBoxSet *set)
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{
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Q_D(QBoxPlotSeries);
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bool success = d->append(set);
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if (success) {
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QList<QBoxSet *> sets;
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sets.append(set);
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set->setParent(this);
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emit boxsetsAdded(sets);
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emit countChanged();
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}
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return success;
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}
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/*!
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Removes boxset from the series. Deletes the \a set and returns true if successful.
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*/
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bool QBoxPlotSeries::remove(QBoxSet *set)
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{
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Q_D(QBoxPlotSeries);
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bool success = d->remove(set);
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if (success) {
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QList<QBoxSet *> sets;
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sets.append(set);
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set->setParent(0);
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emit boxsetsRemoved(sets);
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emit countChanged();
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delete set;
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set = 0;
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}
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return success;
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}
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/*!
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Takes a single \a set from the series. Does not delete the boxset object.
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NOTE: The series remains as the boxset's parent object. You must set the
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parent object to take full ownership.
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Returns true if take was successful.
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*/
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bool QBoxPlotSeries::take(QBoxSet *set)
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{
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Q_D(QBoxPlotSeries);
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bool success = d->remove(set);
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if (success) {
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QList<QBoxSet *> sets;
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sets.append(set);
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emit boxsetsRemoved(sets);
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emit countChanged();
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}
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return success;
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}
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/*!
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Adds a list of boxsets to series. Takes ownership of the \a sets.
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Returns true, if all sets were appended successfully. If any of the sets is null or is already appended to series,
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nothing is appended and function returns false. If any of the sets is in list more than once, nothing is appended
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and function returns false.
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*/
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bool QBoxPlotSeries::append(QList<QBoxSet *> sets)
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{
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Q_D(QBoxPlotSeries);
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bool success = d->append(sets);
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if (success) {
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emit boxsetsAdded(sets);
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emit countChanged();
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}
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return success;
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}
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/*!
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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
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is already in series, it won't be appended. Returns true, if inserting succeeded.
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*/
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bool QBoxPlotSeries::insert(int index, QBoxSet *set)
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{
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Q_D(QBoxPlotSeries);
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bool success = d->insert(index, set);
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if (success) {
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QList<QBoxSet *> sets;
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sets.append(set);
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emit boxsetsAdded(sets);
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emit countChanged();
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}
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return success;
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}
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/*!
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Removes all boxsets from the series. Deletes removed sets.
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*/
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void QBoxPlotSeries::clear()
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{
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Q_D(QBoxPlotSeries);
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QList<QBoxSet *> sets = boxSets();
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bool success = d->remove(sets);
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if (success) {
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emit boxsetsRemoved(sets);
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emit countChanged();
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foreach (QBoxSet *set, sets)
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delete set;
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}
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}
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/*!
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Returns number of sets in series.
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*/
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int QBoxPlotSeries::count() const
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{
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Q_D(const QBoxPlotSeries);
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return d->m_boxSets.count();
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}
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/*!
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Returns a list of sets in series. Keeps ownership of sets.
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*/
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QList<QBoxSet *> QBoxPlotSeries::boxSets() const
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{
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Q_D(const QBoxPlotSeries);
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return d->m_boxSets;
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}
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/*
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Returns QAbstractSeries::SeriesTypeBoxPlot.
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*/
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QAbstractSeries::SeriesType QBoxPlotSeries::type() const
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{
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return QAbstractSeries::SeriesTypeBoxPlot;
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}
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/*!
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Sets brush for the series. Box-and-whiskers items are drawn using \a brush
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*/
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void QBoxPlotSeries::setBrush(const QBrush &brush)
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{
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Q_D(QBoxPlotSeries);
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if (d->m_brush != brush) {
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d->m_brush = brush;
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emit d->updated();
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}
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}
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/*!
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Returns brush of the series.
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*/
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QBrush QBoxPlotSeries::brush() const
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{
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Q_D(const QBoxPlotSeries);
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return d->m_brush;
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}
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/*!
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Sets pen for the series. Box-and-whiskers items are drawn using \a pen
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*/
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void QBoxPlotSeries::setPen(const QPen &pen)
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{
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Q_D(QBoxPlotSeries);
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if (d->m_pen != pen) {
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d->m_pen = pen;
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emit d->updated();
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}
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}
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/*!
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Returns the pen of this series.
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*/
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QPen QBoxPlotSeries::pen() const
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{
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Q_D(const QBoxPlotSeries);
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return d->m_pen;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QBoxPlotSeriesPrivate::QBoxPlotSeriesPrivate(QBoxPlotSeries *q)
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: QAbstractSeriesPrivate(q),
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m_pen(QChartPrivate::defaultPen()),
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m_brush(QChartPrivate::defaultBrush())
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{
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}
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QBoxPlotSeriesPrivate::~QBoxPlotSeriesPrivate()
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{
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disconnect(this, 0, 0, 0);
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}
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void QBoxPlotSeriesPrivate::initializeDomain()
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{
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qreal minX(domain()->minX());
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qreal minY(domain()->minY());
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qreal maxX(domain()->maxX());
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qreal maxY(domain()->maxY());
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qreal x = m_boxSets.count();
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minX = qMin(minX, - (qreal)0.5);
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minY = qMin(minY, min());
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maxX = qMax(maxX, x - (qreal)0.5);
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maxY = qMax(maxY, max());
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domain()->setRange(minX, maxX, minY, maxY);
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}
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void QBoxPlotSeriesPrivate::initializeAxes()
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{
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foreach (QAbstractAxis* axis, m_axes) {
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if (axis->type() == QAbstractAxis::AxisTypeBarCategory) {
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if (axis->orientation() == Qt::Horizontal)
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populateCategories(qobject_cast<QBarCategoryAxis *>(axis));
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}
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}
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}
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QAbstractAxis::AxisType QBoxPlotSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
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{
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if (orientation == Qt::Horizontal)
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return QAbstractAxis::AxisTypeBarCategory;
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return QAbstractAxis::AxisTypeValue;
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}
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QAbstractAxis* QBoxPlotSeriesPrivate::createDefaultAxis(Qt::Orientation orientation) const
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{
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Q_UNUSED(orientation);
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return 0;
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}
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void QBoxPlotSeriesPrivate::populateCategories(QBarCategoryAxis *axis)
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{
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QStringList categories;
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if (axis->categories().isEmpty()) {
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for (int i(1); i < m_boxSets.count() + 1; i++) {
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QBoxSet *set = m_boxSets.at(i - 1);
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if (set->label().isEmpty())
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categories << QString::number(i);
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else
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categories << set->label();
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}
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axis->append(categories);
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}
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}
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void QBoxPlotSeriesPrivate::initializeGraphics(QGraphicsItem *parent)
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{
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Q_Q(QBoxPlotSeries);
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BoxPlotChartItem *boxPlot = new BoxPlotChartItem(q, parent);
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m_item.reset(boxPlot);
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QAbstractSeriesPrivate::initializeGraphics(parent);
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if (m_chart) {
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connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesAdded(QAbstractSeries*)), this, SLOT(handleSeriesChange(QAbstractSeries*)) );
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connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesRemoved(QAbstractSeries*)), this, SLOT(handleSeriesRemove(QAbstractSeries*)) );
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QList<QAbstractSeries *> serieses = m_chart->series();
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// Tries to find this series from the Chart's list of series and deduce the index
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int index = 0;
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foreach (QAbstractSeries *s, serieses) {
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if (s->type() == QAbstractSeries::SeriesTypeBoxPlot) {
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if (q == static_cast<QBoxPlotSeries *>(s)) {
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boxPlot->m_seriesIndex = index;
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m_index = index;
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}
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index++;
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}
|
|
|
}
|
|
|
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);
|
|
|
if (options.testFlag(QChart::SeriesAnimations))
|
|
|
item->setAnimation(new BoxPlotAnimation(item));
|
|
|
else
|
|
|
item->setAnimation((BoxPlotAnimation *)0);
|
|
|
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);
|
|
|
QObject::disconnect(m_chart->d_ptr->m_dataset, 0, removedSeries->d_func(), 0);
|
|
|
|
|
|
// 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)
|
|
|
{
|
|
|
if ((m_boxSets.contains(set)) || (set == 0))
|
|
|
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()));
|
|
|
|
|
|
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
|
|
|
|
|
|
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) {
|
|
|
if ((set == 0) || (m_boxSets.contains(set)))
|
|
|
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()));
|
|
|
}
|
|
|
|
|
|
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) {
|
|
|
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)
|
|
|
{
|
|
|
if ((m_boxSets.contains(set)) || (set == 0))
|
|
|
return false; // Fail if set is already in list or set is null.
|
|
|
|
|
|
m_boxSets.insert(index, 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()));
|
|
|
|
|
|
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
|
|
|
|
|
|
|
